CN111746618B - Stroller frame folding joint, stroller frame and stroller - Google Patents
Stroller frame folding joint, stroller frame and stroller Download PDFInfo
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- CN111746618B CN111746618B CN201910249580.0A CN201910249580A CN111746618B CN 111746618 B CN111746618 B CN 111746618B CN 201910249580 A CN201910249580 A CN 201910249580A CN 111746618 B CN111746618 B CN 111746618B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
本发明涉及一种婴儿车车架收合关节、婴儿车车架和婴儿车，其中婴儿车车架收合关节(400)包括：手把关节(403)；后脚关节(407)，设置在手把关节的内侧，且具有与手把关节相对固定的锁定状态和相对于手把关节可转动的解锁状态；第一解锁装置，用于使后脚关节切换至相对于手把关节可转动的解锁状态；前脚关节(411)，设置在后脚关节的内侧，且具有与后脚关节相对固定的锁定状态和相对于后脚关节可转动的解锁状态；和第二解锁装置，设置在手把关节上，用于在手把关节相对于后脚关节转动第一预设角度时驱动前脚关节切换至相对于后脚关节可转动的解锁状态。婴儿车车架包括收合关节。婴儿车包括婴儿车车架。本发明车架在折叠时的安全性更好。
The present invention relates to a baby carriage frame folding joint, a baby carriage frame and a baby carriage, wherein the baby carriage frame folding joint (400) comprises: a handlebar joint (403); a rear foot joint (407), which is arranged on the inner side of the handlebar joint and has a locked state fixed relative to the handlebar joint and an unlocked state rotatable relative to the handlebar joint; a first unlocking device, which is used to switch the rear foot joint to an unlocked state rotatable relative to the handlebar joint; a front foot joint (411), which is arranged on the inner side of the rear foot joint and has a locked state fixed relative to the rear foot joint and an unlocked state rotatable relative to the rear foot joint; and a second unlocking device, which is arranged on the handlebar joint and is used to drive the front foot joint to switch to an unlocked state rotatable relative to the rear foot joint when the handlebar joint rotates a first preset angle relative to the rear foot joint. The baby carriage frame comprises a folding joint. The baby carriage comprises a baby carriage frame. The frame of the present invention is safer when folded.
Description
Technical Field
The invention relates to the technical field of strollers, in particular to a folding joint of a stroller frame, the stroller frame and a stroller.
Background
At present, the application of the baby carriage is very wide, most of the baby raising families use the baby carriage to carry babies, and particularly when the way is far away, the baby carriage is used for carrying babies, so that great effort can be saved.
The existing baby carriage is usually foldable, but when the baby carriage is folded, once the unlocking button is operated, all joints enter an unlocking state, and most parts of the baby carriage frame are in an active state at the moment.
Disclosure of Invention
The invention aims to provide a baby carriage frame folding joint, a baby carriage frame and a baby carriage, which can improve the safety and convenience of the baby carriage frame in operation when folding as much as possible.
According to a first aspect of the present invention there is provided a stroller frame folding joint comprising:
A handle joint;
the rear foot joint is arranged on the inner side of the handle joint and is provided with a locking state which is fixed relative to the handle joint and an unlocking state which is rotatable relative to the handle joint;
the first unlocking device is used for enabling the rear foot joint to be switched to an unlocking state capable of rotating relative to the handle joint;
a forefoot joint disposed inside the hindfoot joint and having a locked state fixed relative to the hindfoot joint and an unlocked state rotatable relative to the hindfoot joint, and
The second unlocking device is arranged on the handle joint and is used for driving the front foot joint to be switched to an unlocking state rotatable relative to the rear foot joint when the handle joint rotates by a first preset angle relative to the rear foot joint.
Optionally, the stroller frame folding joint further comprises a first locking device arranged between the handle joint and the rear foot joint, the first locking device is used for fixing the handle joint and the rear foot joint relatively, and the first unlocking device is used for driving the first locking device to move so as to enable the rear foot joint to be switched to an unlocking state rotatable relative to the handle joint.
Optionally, the stroller frame folding joint further includes a second locking device disposed between the rear foot joint and the front foot joint, the second locking device is used for fixing the rear foot joint and the front foot joint relatively, and the second unlocking device is used for driving the second locking device to move so as to switch the front foot joint to an unlocking state rotatable relative to the rear foot joint.
Optionally, the second unlocking device comprises a first boss, the first boss is arranged on a side face, close to the rear foot joint, of the handle joint, the top face of the first boss is inclined relative to the side face, the rear foot joint is provided with a first through hole, the first boss penetrates through the first through hole, and the first boss is used for pushing the second locking device to move when the handle joint rotates by a first preset angle relative to the rear foot joint.
Optionally, the second locking device comprises a first gear, a first gear ring arranged in the front foot joint and a second gear ring arranged in the rear foot joint, the first gear is meshed with the first gear ring and the second gear ring simultaneously in a locking state that the front foot joint and the rear foot joint are relatively fixed, and the first gear is separated from a position meshed with the first gear ring or a position separated from the first gear ring in an unlocking state that the front foot joint is rotatable relative to the rear foot joint.
Optionally, the second unlocking device includes a first boss, the first boss is disposed on a side surface of the handle joint close to the rear foot joint, and a top surface of the first boss is inclined with respect to the side surface, the rear foot joint is provided with a first through hole, the first boss passes through the first through hole, and the first boss is used for pushing the first gear to leave a position meshed with the second gear ring when the handle joint rotates by a first preset angle with respect to the rear foot joint.
Optionally, the second locking device further comprises a push plate disposed between the first gear and the rear foot joint, and the first boss pushes the first gear by pushing the push plate.
Optionally, the stroller frame folding joint further comprises:
a first connection joint provided on the inner side of the forefoot joint for connecting the seat and having a locked state fixed relative to the forefoot joint and an unlocked state rotatable relative to the forefoot joint, and
The third unlocking device is arranged on the rear foot joint and used for driving the first connecting joint to be switched to an unlocking state rotatable relative to the front foot joint when the rear foot joint rotates by a second preset angle relative to the front foot joint.
Optionally, the stroller frame folding joint further includes a third locking device disposed between the forefoot joint and the first connection joint, the third locking device is used for fixing the forefoot joint and the first connection joint relatively, and the third unlocking device is used for driving the third locking device to move so as to switch the first connection joint to an unlocking state rotatable relative to the forefoot joint.
Optionally, the third unlocking device comprises a second boss, the second boss is arranged on a side surface of the rear foot joint, which is close to the front foot joint, the front foot joint is provided with a second through hole, the second boss penetrates through the second through hole, and the second boss is used for pushing the third locking device to move when the rear foot joint rotates by a second preset angle relative to the front foot joint.
Optionally, the third locking device comprises:
A first groove provided on the first connection joint, and
The first bolt is movably connected with the front foot joint, is inserted into the first groove in a locking state that the front foot joint is relatively fixed with the first connecting joint, and is separated from the first groove in an unlocking state that the front foot joint is rotatable relative to the first connecting joint.
Optionally, the third unlocking device comprises a second boss, the second boss is arranged on the side surface of the rear foot joint, which is close to the front foot joint, the front foot joint is provided with a second through hole, the second boss penetrates through the second through hole, and the second boss is used for pushing the first bolt to leave the first groove when the rear foot joint rotates by a second preset angle relative to the front foot joint.
Optionally, the end of the first bolt is provided with a first inclined surface inclined relative to the direction of movement of the first bolt.
Optionally, the stroller frame folding joint further includes a first connection joint, the first connection joint is disposed at an inner side of the front foot joint and is used for connecting a seat, the first connection joint is provided with a first stop block in a locking state relatively fixed to the front foot joint and an unlocking state rotatable relative to the front foot joint, the handle joint is provided with a second stop block, the second stop block extends to a circumferential side surface of the first stop block through the rear foot joint and the front foot joint, and the second stop block is used for enabling the first connection joint to rotate to a preset position by pushing the first stop block when the stroller frame is unfolded.
According to a second aspect of the present invention, there is provided a stroller frame comprising the above-mentioned stroller frame folding joint.
According to a third aspect of the present invention, there is provided a stroller frame comprising a second connection joint and the above-mentioned stroller frame folding joint, the second connection joint being connected to the first connection joint, the second connection joint being for mounting a seat.
Optionally, the first connection joint comprises a socket, and the second connection joint comprises a plug, and the plug is inserted into the socket to connect the first connection joint and the second connection joint.
Optionally, the socket is symmetrical front-to-back about its vertical axis and the plug is symmetrical front-to-back about its vertical axis.
Optionally, the stroller frame further comprises a fourth locking device and a fourth unlocking device, the fourth locking device is arranged between the plug and the socket and is used for fixing the plug and the socket relatively, and the fourth unlocking device is used for driving the fourth locking device to move so that the plug and the socket can move relatively.
Optionally, the fourth locking device includes first slider and bayonet lock of setting on the plug, and first slider is equipped with the rectangular hole that sets up for the relative motion direction slope of plug and socket, and the bayonet lock inserts rectangular hole and moves in rectangular hole, is equipped with the fore shaft in the socket, and plug and socket are relatively fixed when the bayonet lock inserts the fore shaft, and fourth unlocking device is used for driving first slider motion, and then drives the bayonet lock and break away from the fore shaft.
Optionally, the stroller frame further includes a backrest joint, a fifth locking device and a fifth unlocking device, the backrest joint is disposed inside the second connection joint, the fifth locking device is disposed between the backrest joint and the second connection joint, the fifth locking device is used for fixing the backrest joint and the second connection joint relatively, and the fifth unlocking device is used for driving the fifth locking device to move so as to enable the backrest joint and the second connection joint to move relatively.
Optionally, the fifth locking device comprises a second gear, a third gear ring arranged on the backrest joint and a fourth gear ring arranged on the second connecting joint, wherein the second gear is simultaneously meshed with the third gear ring and the fourth gear ring in a locking state that the backrest joint and the second connecting joint are relatively fixed, and the second gear is separated from a position meshed with the third gear ring or a position separated from the second gear ring in an unlocking state that the backrest joint is rotatable relative to the second connecting joint.
Optionally, the fifth unlocking device comprises a second flexible part, a second sliding block and a third sliding block, the second flexible part is connected with the second sliding block, the second sliding block is provided with a first tooth, the third sliding block is provided with a second tooth, the first tooth is provided with a second inclined surface inclined relative to the moving direction of the first tooth, the second tooth is provided with a third inclined surface inclined relative to the moving direction of the second tooth, the first tooth is meshed with the second tooth, the second inclined surface is contacted with the third inclined surface, the third sliding block is arranged in the backrest joint and is contacted with the second gear, the second flexible part drives the second sliding block to move when being pulled, and the second sliding block drives the third sliding block to move along the axial direction of the backrest joint through the first tooth so as to push the second gear to leave the position meshed with the third gear ring.
Optionally, the stroller frame further includes a pedal joint, the pedal joint is disposed at an inner side of the backrest joint, the pedal joint is provided with a third stop, the backrest joint is provided with a fourth stop, and the third stop and the fourth stop are in contact with each other and are used for enabling the pedal joint to move along with the backrest joint when the backrest joint moves backward.
Optionally, the stroller frame further comprises a handrail joint, the handrail joint is arranged on the inner side of the pedal joint, the handrail joint is provided with a fifth stop block, the pedal joint is provided with a third through hole, the backrest joint is provided with a second groove, the fifth stop block penetrates through the third through hole to be inserted into the second groove, and the handrail joint is driven to be folded towards the pedal joint through the fifth stop block when the backrest joint is folded relative to the pedal joint.
According to a fourth aspect of the present invention there is provided a stroller comprising a stroller frame as described above.
Based on the above technical solution, in the embodiment of the stroller frame folding joint of the present invention, the first unlocking device is operated to switch the rear foot joint to an unlocking state rotatable with respect to the handle joint, and when the handle joint rotates by a first preset angle with respect to the rear foot joint, the second unlocking device is triggered, and the second unlocking device can drive the front foot joint to switch to an unlocking device rotatable with respect to the rear foot joint, so that the front foot joint can fold with respect to the rear foot joint, thereby realizing folding of the handle joint, the rear foot joint and the front foot joint. In the folding process, the second unlocking device is not triggered after the first unlocking device is unlocked, and the second unlocking device is triggered after the handle joint rotates by a first preset angle relative to the rear foot joint, so that all joints in the folding joint cannot enter an unlocking state at the same time, accidental injuries such as squeezing and clamping caused by a riding baby or an operator are effectively avoided, the operation safety is improved, the second unlocking device can be automatically triggered after the handle joint rotates by the first preset angle, and the unlocking button is not required to be further operated, so that the operation convenience can be effectively improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic view of a stroller frame according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of another embodiment of a stroller frame according to the present invention.
Fig. 3 is a schematic view showing a structure of a stroller frame according to an embodiment of the present invention after being folded.
Fig. 4 is a schematic view of a stroller frame according to another embodiment of the present invention after being folded.
FIG. 5 is a schematic view of a portion of an embodiment of a stroller frame according to the present invention.
Fig. 6 is an exploded view of one embodiment of the stroller frame folding joint of the present invention.
Fig. 7 is a schematic view showing the structure of the handle joint and the first locking device in an embodiment of the folding joint of the stroller frame according to the present invention.
Fig. 8 is a schematic view of a rear foot joint in an embodiment of a stroller frame folding joint according to the present invention.
Fig. 9 is a schematic view showing the structure of a handle joint in an embodiment of the folding joint of the stroller frame according to the present invention.
Fig. 10 is a schematic view showing the structure of the first gear, the push plate and the second elastic member in an embodiment of the folding joint of the stroller frame according to the present invention.
Fig. 11 is a schematic structural view of a first connection joint in an embodiment of a stroller frame folding joint according to the present invention.
Fig. 12 is a schematic view showing the structure of the first latch in an embodiment of the stroller frame folding joint according to the present invention.
Fig. 13 is a schematic view showing a mating structure of the second boss and the first pin in an embodiment of the folding joint of the stroller frame according to the present invention.
Fig. 14 is a schematic view showing a cooperation structure of a handle joint and a first connection joint in an embodiment of a folding joint of a stroller frame according to the present invention.
FIG. 15 is a schematic view of a seat mount in one embodiment of a stroller frame of the present invention.
FIG. 16 is a schematic view of a first folded state of the seat mount in one embodiment of the stroller frame of the present invention.
Fig. 17 is a schematic view showing a second folded state of the seat mount in one embodiment of the stroller frame of the present invention.
FIG. 18 is a schematic view of a fully folded seat mount in one embodiment of a stroller frame of the present invention.
Fig. 19 is an exploded view of a folding joint in one embodiment of a stroller frame of the present invention.
FIG. 20 is a schematic view showing the assembly structure of the back joint, the pedal joint and the armrest joint in one embodiment of the stroller frame of the present invention.
FIG. 21 is a schematic view of a second joint in an embodiment of a stroller frame according to the present invention.
FIG. 22 is a schematic view of the mating structure between the back joint, the foot joint and the armrest joint of one embodiment of the stroller frame of the present invention.
In the figure:
100. Handle bar, 200, rear foot bar, 300, front foot bar, 400, folding joint, 500, back bar, 600, foot pedal bar, 700, folding joint, 800, grab bar, 900, ceiling bar;
101. a folding button 501;
401. Protective cover, 402, first rivet, 403, handle joint, 404, second bolt, 405, first flexible piece, 406, first elastic piece, 407, rear foot joint, 408, push plate, 409, first gear, 410, second elastic piece, 411, front foot joint, 412, third elastic piece, 413, first bolt, 414, first connecting joint, 415, first block, 416, second boss, 417, second block, 418, first boss, 419, third groove, 420, first groove, 421, second boss, 422, fourth through hole, 423, first slope;
701. Quick release buttons 702, second rivets 703, second connection joints 704, first sliding blocks 705, bayonet locks 706, fourth elastic members 707, fifth elastic members 708, second gears 709, backrest joints 710, ceiling joints 711, third sliding blocks 712, second sliding blocks 713, second flexible members 714, sixth elastic members 715, pedal joints 716, fifth stop blocks 717, armrest joints 718, third stop blocks 719, fourth stop blocks 720, second grooves 721, third through holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
Referring to fig. 1 to 6, in an exemplary embodiment of a stroller frame folding joint provided by the present invention, the folding joint 400 includes a handle joint 403, a rear foot joint 407, a first unlocking device, a front foot joint 411 and a second unlocking device, the rear foot joint 407 is disposed on the inner side of the handle joint 403, and the rear foot joint 407 has a locked state relatively fixed to the handle joint 403 and an unlocked state rotatable to the handle joint 403, the first unlocking device is used for switching the rear foot joint 407 to the unlocked state rotatable to the handle joint 403, the front foot joint 411 is disposed on the inner side of the rear foot joint 407, and the front foot joint 411 has a locked state relatively fixed to the rear foot joint 407 and an unlocked state rotatable to the rear foot joint 407, the second unlocking device is disposed on the handle joint 403, and the second unlocking device is used for driving the front foot joint 411 to switch to the unlocked state rotatable to the rear foot joint 407 when the handle joint 403 rotates by a first preset angle relative to the rear foot joint 407.
In the above exemplary embodiments, the inner side refers to the side near the center of the stroller frame.
In the above-described exemplary embodiment, the rear foot joint 407 may be switched to the unlock state rotatable with respect to the handle joint 403 by operating the first unlocking device, and the second unlocking device may be triggered when the handle joint 403 rotates by the first preset angle with respect to the rear foot joint 407, and the second unlocking device may drive the front foot joint 411 to switch to the unlock device rotatable with respect to the rear foot joint 407, so that the front foot joint 411 may be folded with respect to the rear foot joint 407, thereby achieving folding of the handle joint 403, the rear foot joint 407, and the front foot joint 411. In the folding process, the second unlocking device is not triggered after the first unlocking device is unlocked, and the second unlocking device is triggered after the handle joint 403 rotates by a first preset angle relative to the rear foot joint 407, so that all joints in the folding joint cannot simultaneously enter an unlocking state, accidental injuries such as pinching caused by a riding baby or an operator are effectively avoided, the operation safety is improved, the second unlocking device can be automatically triggered after the handle joint rotates by the first preset angle, and further operation of an unlocking button is not needed, so that the operation convenience can be effectively improved.
In the above-described exemplary embodiment, the first preset angle may be an angle when the handle joint 403 is fully folded with the rear foot joint 407 and the handle joint 403 is in contact with the rear foot joint 407.
Further, the folding joint 400 further includes a first connection joint 414 and a third unlocking device, the first connection joint 414 is disposed on the inner side of the forefoot joint 411, the first connection joint 414 is used for connecting the seat, the first connection joint 414 has a locking state relatively fixed to the forefoot joint 411 and an unlocking state rotatable relative to the forefoot joint 411, the third unlocking device is disposed on the hindfoot joint 407, and the third unlocking device is used for driving the first connection joint 414 to switch to the unlocking state rotatable relative to the forefoot joint 411 when the hindfoot joint 407 rotates by a second preset angle relative to the forefoot joint 411.
The second preset angle may be an angle when the rear foot joint 407 is fully folded with the front foot joint 411 and the rear foot joint 407 is in contact with the front foot joint 411.
By providing the third unlocking means, after the handle joint 403, the rear foot joint 407 and the front foot joint 411 are folded, when the rear foot joint 407 rotates by a second preset angle with respect to the front foot joint 411, the third unlocking means may drive the first connecting joint 414 to switch to an unlocking state rotatable with respect to the front foot joint 411, so that the first connecting joint 414 may rotate with respect to the front foot joint 411, so as to fold the seat or the like connected with the first connecting joint 414 with respect to the front foot joint 411, the rear foot joint 407 and the handle joint 403.
Therefore, the unlocking of the third unlocking device is triggered along with the folding to a certain extent, so that all joints in the folding joint can not enter the unlocking state at the same time, and the operation safety is effectively improved.
In an alternative embodiment of the stroller frame, the stroller frame further comprises a folding joint 700, the folding joint 700 comprising a second connection joint 703, the second connection joint 703 being connected to the first connection joint 414, the second connection joint 703 being for mounting a seat for carrying an infant.
The invention also provides a baby carriage frame which comprises the folding joint, and a baby carriage which comprises the baby carriage frame.
The technical effects of the folding joint of the stroller frame are also applicable to the stroller frame and the stroller, and are not repeated here.
The following describes in detail the specific construction of one embodiment of the stroller frame folding joint, stroller frame, and stroller of the present invention:
As shown in fig. 1 to 5, the stroller frame includes a handle bar 100, a rear foot bar 200, a front foot bar 300, a folding joint 400, a backrest bar 500, a foot rest bar 600, a folding joint 700, a grab bar 800, and a roof bar 900.
The handle bar 100, the rear foot bar 200, and the front foot bar 300 are connected by the folding joint 400, the backrest bar 500, the foot rest bar 600, and the armrest bar 800 are connected by the folding joint 700, and the ceiling bar 900 is mounted on the backrest bar 500. The folding joint 400 is connected to the folding joint 700.
The handle bar 100, the rear foot bar 200, the front foot bar 300, the backrest bar 500, the foot rest bar 600, the grab bar 800, and the ceiling bar 900 may be solid or hollow.
The handle bar 100, the backrest bar 500, the foot rest bar 600, the grab bar 800, and the ceiling bar 900 are all U-shaped. The rear foot bar 200 and the front foot bar 300 each include two, which are disposed on the left and right sides of the frame, respectively. The number of the folding joints 400 and the folding joints 700 is two, and the folding joints are respectively arranged at the left side and the right side of the frame.
As shown in fig. 6 and 19, the folding joint 400 includes a first connection joint 414, and the folding joint 700 includes a second connection joint 703, and the first connection joint 414 is connected with the second connection joint 703 to achieve connection of the folding joint 400 with the folding joint 700.
As shown in fig. 6, the folding joint 400 includes a handle joint 403, a rear foot joint 407, a front foot joint 411, and a first connecting joint 414. The handle bar 100 is mounted on the handle joint 403, the rear foot bar 200 is mounted on the rear foot joint 407, the front foot bar 300 is mounted on the front foot joint 411, and the folding joint 700 is connected with the first connecting joint 414.
A first locking device is arranged between the handle joint 403 and the rear foot joint 407, the first locking device is used for fixing the handle joint 403 and the rear foot joint 407 relatively, and the first unlocking device is used for driving the first locking device to move so as to enable the rear foot joint 407 to be switched to an unlocking state rotatable relative to the handle joint 403.
The first locking means comprises a second latch 404 and a third recess 419, as shown in fig. 8, the third recess 419 being provided in the rear foot joint 407, the second latch 404 being movably connected to the handle joint 403, the second latch 404 being inserted into the third recess 419 in a locked state in which the rear foot joint 407 is relatively fixed to the handle joint 403, and the second latch 404 being disengaged from the third recess 419 in an unlocked state in which the rear foot joint 407 is rotatable relative to the handle joint 403.
As shown in fig. 7, the first locking device further includes a first elastic member 406, where the first elastic member 406 is disposed in the handle section 403 and abuts against the second latch 404, and the first elastic member 406 is used to keep the second latch 404 in a state of being inserted into the third groove 419, and to reset the second latch 404 after the second latch 404 is separated from the third groove 419.
The first unlocking device comprises a first flexible piece 405, the first flexible piece 405 is connected with a second bolt 404, the first flexible piece 405 drives the second bolt 404 to move relative to a third groove 419 when being pulled, under the action of the first flexible piece 405, when the second bolt 404 is separated from the third groove 419, the locking between the handle joint 403 and the rear foot joint 407 is released, and the handle joint 403 can rotate relative to the rear foot joint 407.
The first flexible member 405 penetrates into the handle bar 100, the folding button 101 is arranged at the upper part of the handle bar 100, and a user can pull the first flexible member 405 by pressing the folding button 101, so that the second bolt 404 is separated from the third groove 419, and the locking between the handle joint 403 and the rear foot joint 407 is released.
A second locking device between the rear foot joint 407 and the front foot joint 411, the second locking device being used for fixing the rear foot joint 407 and the front foot joint 411 relatively, and the second unlocking device being used for driving the second locking device to move when the handle joint 403 rotates by a first preset angle relative to the rear foot joint 407 so as to switch the front foot joint 411 to an unlocking state rotatable relative to the rear foot joint 407.
As shown in fig. 7 and 9, the second unlocking means includes a first boss 418, the first boss 418 being provided at a side surface of the handle joint 403 adjacent to the rear foot joint 407 and a top surface of the first boss 418 being inclined with respect to the side surface, the rear foot joint 407 being provided with a first through hole, the first boss 418 passing through the first through hole, the first boss 418 being adapted to push the second locking means to move when the handle joint 403 is rotated by a first preset angle with respect to the rear foot joint 407.
The first boss 418 is provided at a side surface of the handle joint 403 adjacent to the rear foot joint 407, the first boss 418 extends axially from the side surface in a direction circumferentially adjacent to the rear foot joint 407, and a top surface of the first boss 418 is inclined with respect to the side surface. The number of the first bosses 418 is two, and the first bosses are respectively arranged at two sides of the second bolt 404. The first boss 418 is arcuate.
The second locking device includes a first gear 409, a first gear ring provided in the forefoot joint 411, and a second gear ring provided in the rearfoot joint 407, the first gear 409 being engaged with the first gear ring and the second gear ring simultaneously in a locked state in which the forefoot joint 411 and the rearfoot joint 407 are relatively fixed, and the first gear 409 being moved from a position engaged with the first gear ring or the first gear 409 being moved from a position engaged with the second gear ring in an unlocked state in which the forefoot joint 411 is rotatable relative to the rearfoot joint 407. The first boss 418 is used to urge the first gear 409 out of engagement with the second gear ring when the handle joint 403 is rotated by a first predetermined angle relative to the rear foot joint 407.
As shown in fig. 10, the second locking device further includes a push plate 408, the push plate 408 is disposed between the first gear 409 and the rear foot joint 407, and the first boss 418 pushes the first gear 409 by pushing the push plate 408.
The pusher plate 408 includes a plate portion and a tooth portion coupled to the plate portion. By providing the teeth, the maximum thickness of the push plate 408 can be increased while advantageously reducing the overall weight of the push plate 408. By providing the teeth, contact with the first boss 418 is facilitated and the first gear 409 is pushed by the first boss 418.
The second locking means further comprises a second elastic member 410, the second elastic member 410 being adapted to hold the first gear 409 in a position in which it is engaged with both the first gear ring and the second gear ring and to reset the first gear 409 when it is out of the position in which it is engaged with the first gear ring or the position in which it is engaged with the second gear ring.
And a third locking means between the forefoot joint 411 and the first connection joint 414, the third locking means being for relatively fixing the forefoot joint 411 and the first connection joint 414, and the third unlocking means being for driving the third locking means to move to switch the first connection joint 414 to an unlocked state rotatable relative to the forefoot joint 411.
The third unlocking means comprises a second boss 416, the second boss 416 being arranged on the side of the rear foot joint 407 close to the front foot joint 411, the front foot joint 411 being provided with a second through hole, the second boss 416 passing through the second through hole, the second boss 416 being adapted to push the third locking means to move when the rear foot joint 407 rotates a second preset angle relative to the front foot joint 411.
The second boss 416 is cylindrical, and the second boss 416 is disposed near the outer edge of the hindfoot joint 407. The second boss 416 extends axially from the side of the hindfoot joint 407 adjacent to the forefoot joint 411 toward the direction adjacent to the forefoot joint 411.
As shown in fig. 11, the third locking means includes a first groove 420 and a first latch 413, the first groove 420 is provided on the first connection joint 414, the first latch 413 is movably connected with the forefoot joint 411, the first latch 413 is inserted into the first groove 420 in a locked state in which the forefoot joint 411 is fixed with respect to the first connection joint 414, and the first latch 413 is disengaged from the first groove 420 in an unlocked state in which the forefoot joint 411 is rotatable with respect to the first connection joint 414. The second boss 416 is used to push the first latch 413 out of the first recess 420 when the hindfoot joint 407 is rotated a second predetermined angle relative to the forefoot joint 411.
As shown in fig. 12, the first plug 413 is provided with a second boss 421 and a fourth through hole 422, the second boss 421 is inserted into the first groove 420, the first plug 413 is mounted on the forefoot joint 411 through the fourth through hole 422, the fourth through hole 422 is a oblong hole, and the first plug 413 can move relative to the forefoot joint 411.
The length of the second through hole is greater than the width of the second boss 416, and the second boss 416 moves within the second through hole as the hindfoot joint 407 rotates relative to the forefoot joint 411. When the rear foot joint 407 rotates a second predetermined angle relative to the front foot joint 411, the second boss 416 contacts the end of the first plug 413, pushing the first plug 413 out of the first groove 420.
The third locking device further comprises a third elastic member 412, wherein the third elastic member 412 abuts against the first latch 413, so as to keep the first latch 413 in a position inserted into the first groove 420, and reset the first latch 413 after being separated from the first groove 420.
As shown in fig. 13, in order to avoid direct collision, an end of the first plug 413 is provided with a first slope 423 inclined with respect to a moving direction of the first plug 413. By providing the first inclined surface 423, when the second boss 416 is subsequently moved by the foot joint 407 to a position where it contacts the end of the first plug 413, the first plug 413 may be pushed slowly along the first inclined surface 423, avoiding direct collision of the second boss 416 with the first plug 413, resulting in damage to the second boss 416 or the first plug 413.
As shown in fig. 14, the first connecting joint 414 is disposed inside the forefoot joint 411, and the first connecting joint 414 has a locked state fixed relative to the forefoot joint 411 and an unlocked state rotatable relative to the forefoot joint 411, the first connecting joint 414 is provided with a first stopper 415, the handle joint 403 is provided with a second stopper 417, the second stopper 417 extends to a circumferential side of the first stopper 415 through the rearfoot joint 407 and the forefoot joint 411, and the second stopper 417 is used to rotate the first connecting joint 414 to a preset position by pushing the first stopper 415 when the stroller frame is unfolded.
By providing the first stop 415 and the second stop 417, it is ensured that the first connection joint 414 can be unfolded to a preset position when the stroller frame is unfolded.
The folding joint 400 further includes a protective cover 401 and a first rivet 402, the protective cover 401 being disposed at the outermost side for protecting components within the folding joint 400. The first rivet 402 passes through the handle joint 403, the second latch 404, the rear foot joint 407, the push plate 408, the first gear 409, the second elastic member 410, the front foot joint 411, the first latch 413, and the first connection joint 414.
To this end, when folding, the folding button 101 may be pressed first to pull the first flexible member 405 to drive the second latch 404 to disengage from the third recess 419, so as to unlock the rear foot joint 407 and the handle joint 403, the handle joint 403 may be pressed downward to fold the handle joint 403 toward the rear foot joint 407, when the handle joint 403 is fully folded and contacted with the rear foot joint 407, the first boss 418 pushes the push plate 408, the push plate 408 pushes the first gear 409 to leave a position engaged with the second gear ring, so as to unlock the rear foot joint 407 and the front foot joint 411, so as to enable the rear foot joint 407 and the front foot joint 411 to fold relatively, and when the rear foot joint 407 and the front foot joint 411 are fully folded and contacted, the second boss 416 drives the first latch 413 to disengage from the first recess 420, so as to unlock the front foot joint 411 and the first connection joint 414, and the component connected with the first connection joint 414 may fold relative to the front foot joint 411.
To facilitate connection and disconnection of the first connection joint 414 and the second connection joint 703, the first connection joint 414 includes a socket, and the second connection joint 703 includes a plug that is inserted into the socket to effect connection of the first connection joint 414 and the second connection joint 703.
By providing sockets and plugs, a quick connection of the first connection joint 414 and the second connection joint 703 can be achieved, and quick disassembly is facilitated.
The stroller frame further comprises a fourth locking device and a fourth unlocking device, wherein the fourth locking device is arranged between the plug and the socket and is used for enabling the plug and the socket to be relatively fixed, and the fourth unlocking device is used for driving the fourth locking device to move so as to enable the plug and the socket to relatively move.
As shown in fig. 19, the fourth locking device includes a first slider 704 and a bayonet lock 705, where the first slider 704 is provided with a long hole that is inclined with respect to the relative movement direction of the plug and the socket, the bayonet lock 705 is inserted into the long hole and moves in the long hole, a locking slot is provided in the socket, the plug and the socket are relatively fixed when the bayonet lock 705 is inserted into the locking slot, and the fourth unlocking device is used to drive the first slider 704 to move, so as to drive the bayonet lock 705 to separate from the locking slot.
The fourth locking means further comprises a fourth resilient member 706, the fourth resilient member 706 being adapted to hold the first slider 704 in a position in which the bayonet 705 is inserted into the locking notch and to reset the first slider 704 after the bayonet has been disengaged from the locking notch.
The fourth unlocking device comprises a quick-release button 701, the first sliding block 704 can be driven to move upwards by pressing the quick-release button 701, so that the bayonet lock 705 is driven to retract through the strip hole, the bayonet lock 705 is separated from the locking port, at the moment, the plug can be pulled out, the first connecting joint 414 and the second connecting joint 703 are disconnected, the disassembly of the seat is realized, after the quick-release button 701 is released, under the action of the fourth elastic piece 706, the first sliding block 704 is reset, the bayonet lock 705 is driven to extend out and clamped into the locking port, and therefore the first connecting joint 414 and the second connecting joint 703 are connected, and the installation and the fixation of the seat are realized.
The socket is symmetrical back and forth about its vertical axis and the plug is symmetrical back and forth about its vertical axis. The front-rear direction herein refers to the direction from the forefoot lever 300 to the rearfoot lever 200. The advantage of setting like this is, the cross fit between the left and right sides socket and the plug on the frame of being convenient for can realize the two-way installation of seat.
As shown in fig. 1, a seat mount composed of a backrest bar 500, a foot rest bar 600, a folding joint 700, a grab bar 800, and a ceiling bar 900 is positively mounted on a vehicle body composed of a handle bar 100, a rear foot bar 200, a front foot bar 300, and a folding joint 400;
as shown in fig. 2, the seat mount is reversely mounted to the vehicle body;
as shown in fig. 3, the seat mount is positively mounted on the vehicle body and is fully folded;
as shown in fig. 4, the seat mount is reversely mounted on the vehicle body and is fully folded.
Further, the seat mount may also be fully folded.
As shown in fig. 15, a schematic view of the seat mount in an unfolded state is shown. The seat mount is in a first folded condition as shown in fig. 16, in a second folded condition as shown in fig. 17, and in a fully folded condition as shown in fig. 18.
As shown in fig. 19, the stroller frame further includes a backrest joint 709, a fifth locking device disposed inside the second connection joint 703, and a fifth unlocking device disposed between the backrest joint 709 and the second connection joint 703, wherein the fifth locking device is used for fixing the backrest joint 709 and the second connection joint 703 relative to each other, and the fifth unlocking device is used for driving the fifth locking device to move so as to enable the backrest joint 709 and the second connection joint 703 to move relative to each other.
The fifth locking means comprises a second gear 708, a third gear ring provided on the back joint 709 and a fourth gear ring provided on the second connection joint 703, the second gear 708 being engaged with the third gear ring and the fourth gear ring simultaneously in a locked state in which the back joint 709 and the second connection joint 703 are fixed with respect to each other, and the second gear 708 being moved from a position engaged with the third gear ring or the second gear 708 being moved from a position engaged with the fourth gear ring in an unlocked state in which the back joint 709 is rotatable with respect to the second connection joint 703.
The fifth locking means further comprises a fifth spring member 707, the fifth spring member 707 being arranged outside the second gear 708 for keeping the second gear 708 in a position in which it engages with the third gear ring and the fourth gear ring and for resetting the second gear 708 when the second gear 708 is out of a position in which it engages with the third gear ring or in which it engages with the fourth gear ring.
The fifth unlocking means comprises a second flexible member 713, a second slider 712 and a third slider 711, the second flexible member 713 is connected with the second slider 712, the second slider 712 is provided with a first tooth, the third slider 711 is provided with a second tooth, the first tooth is provided with a second inclined surface inclined relative to the moving direction of the first tooth, the second tooth is provided with a third inclined surface inclined relative to the moving direction of the second tooth, the first tooth is meshed with the second tooth, the second inclined surface is contacted with the third inclined surface, the third slider 711 is arranged in the backrest joint 709 and is contacted with the second gear 708, the second flexible member 713 drives the second slider 712 to move when being pulled, and the second slider 712 drives the third slider 711 to move along the axial direction of the backrest joint 709 through the first tooth so as to push the second gear 708 to leave a position meshed with the third gear ring.
The fifth unlocking device further comprises a sixth elastic piece 714, and the sixth elastic piece 714 is propped against the second sliding block 712 and is used for resetting the second sliding block 712 after moving.
The second flexible member 713 penetrates into the backrest rod 500, the folding button 501 is arranged at the top of the backrest rod 500, and the second flexible member 713 can be pulled by pressing the folding button 501, so that the second slider 712 is pulled, and the locking between the backrest joint 709 and the second connecting joint 703 is released.
As shown in fig. 20, the stroller frame further includes a pedal joint 715, the pedal joint 715 is disposed on the inner side of the back joint 709, the pedal joint 715 is provided with a third stopper 718, the back joint 709 is provided with a fourth stopper 719, and the third stopper 718 and the fourth stopper 719 are in contact with each other and serve to move the pedal joint 715 together with the back joint 709 when the back joint 709 moves backward.
The third stop block 718 is disposed at the outer edge of the pedal joint 715, the fourth stop block 719 is disposed at the outer edge of the backrest joint 709, and when the third stop block 718 and the fourth stop block 719 are in contact with each other, the pedal joint 715 cannot rotate backwards relative to the backrest joint 709, so that the pedal joint 715 can rotate backwards along with the backrest joint 709, and an included angle of 180 degrees can be always kept between the pedal joint 715 and the backrest joint 709 in the rotation process.
As shown in fig. 21 and 22, the stroller frame further includes a armrest joint 717, the armrest joint 717 is disposed on the inner side of the pedal joint 715, the armrest joint 717 is provided with a fifth stop 716, the pedal joint 715 is provided with a third through hole 721, the backrest joint 709 is provided with a second groove 720, the fifth stop 716 is inserted into the second groove 720 through the third through hole 721, and the armrest joint 717 is driven to fold toward the pedal joint 715 by the fifth stop 716 when the backrest joint 709 is folded relative to the pedal joint 715. By providing the fifth stop 716, the armrest joint 717 can be folded toward the footrest joint 715 along with the back joint 709, thereby achieving complete folding of the back joint 709, the armrest joint 717, and the footrest joint 715.
To this end, when the seat mounting frame is folded, the folding button 501 may be pressed first to pull the second flexible member 713 to drive the second slider 712 to move upwards, when the second slider 712 moves upwards, the cooperation of the second inclined surface and the third inclined surface drives the third slider 711 to move along the axial direction towards the direction close to the second connection joint 703, so as to drive the second gear 708 to leave the position meshed with the third gear ring, the locking between the backrest joint 709 and the second connection joint 703 is released, the backrest joint 709 is pushed to fold towards the pedal joint 715, the armrest joint 717 is driven to fold towards the pedal joint 715 together by the fifth stop 716 during the folding process of the backrest joint 709, the ceiling joint 710 is rotatably mounted on the backrest rod 500, and the ceiling joint 710 is also folded during the folding process of the seat mounting frame, so as to realize the complete folding of the seat mounting frame.
Through the explanation of the various embodiments of the baby carriage frame folding joint, the baby carriage frame and the baby carriage, the baby carriage frame folding joint, the baby carriage frame and the baby carriage embodiment can effectively improve the safety of the baby carriage in operation during folding in a progressive unlocking mode, meanwhile, the front direction installation and the back direction installation of the seat can be realized, folding can be realized, and the use convenience of the baby carriage is ensured.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the specific embodiments of the present invention may be modified or some technical features may be equivalently replaced, and they are all included in the scope of the technical solution of the present invention as claimed.
Claims (25)
1. A stroller frame folding joint (400) comprising:
A handle joint (403);
A rear foot joint (407) provided inside the handle joint (403) and having a locked state fixed relative to the handle joint (403) and an unlocked state rotatable relative to the handle joint (403);
first unlocking means for switching the rear foot joint (407) to an unlocked state rotatable relative to the handle joint (403);
a forefoot joint (411) provided inside the rearfoot joint (407) and having a locked state fixed relative to the rearfoot joint (407) and an unlocked state rotatable relative to the rearfoot joint (407);
A second unlocking device, which is arranged on the handle joint (403) and is used for driving the front foot joint (411) to be switched to an unlocking state which can rotate relative to the rear foot joint (407) when the handle joint (403) rotates relative to the rear foot joint (407) by a first preset angle;
a first connection joint (414) provided inside the forefoot joint (411) for connecting to a seat and having a locked state fixed relative to the forefoot joint (411) and an unlocked state rotatable relative to the forefoot joint (411), and
And the third unlocking device is arranged on the rear foot joint (407) and is used for driving the first connecting joint (414) to be switched to an unlocking state rotatable relative to the front foot joint (411) when the rear foot joint (407) rotates by a second preset angle relative to the front foot joint (411).
2. The stroller frame fold joint (400) according to claim 1, further comprising a first locking means arranged between the handlebar joint (403) and the rear foot joint (407), the first locking means being adapted to fix the handlebar joint (403) and the rear foot joint (407) relative to each other, the first unlocking means being adapted to actuate the first locking means to move to switch the rear foot joint (407) to an unlocked state rotatable relative to the handlebar joint (403).
3. The stroller frame folding joint (400) according to claim 1, further comprising a second locking means arranged between the rear foot joint (407) and the front foot joint (411), the second locking means being adapted to fix the rear foot joint (407) and the front foot joint (411) relative to each other, the second unlocking means being adapted to actuate the second locking means to move to switch the front foot joint (411) to an unlocked state rotatable relative to the rear foot joint (407).
4. A stroller frame folding joint (400) according to claim 3, characterized in that the second unlocking means comprise a first boss (418), the first boss (418) being arranged on a side of the handle joint (403) close to the rear foot joint (407) and a top surface of the first boss (418) being inclined with respect to the side, the rear foot joint (407) being provided with a first through hole through which the first boss (418) passes, the first boss (418) being adapted to push the second locking means to move when the handle joint (403) is turned a first preset angle with respect to the rear foot joint (407).
5. A stroller frame folding joint (400) according to claim 3, characterized in that the second locking means comprises a first gear (409), a first gear ring arranged in the front foot joint (411) and a second gear ring arranged in the rear foot joint (407), the first gear (409) being in simultaneous engagement with the first gear ring and the second gear ring in a locked state in which the front foot joint (411) and the rear foot joint (407) are relatively fixed, the first gear (409) being out of engagement with the first gear ring or the first gear (409) being out of engagement with the second gear ring in an unlocked state in which the front foot joint (411) is rotatable with respect to the rear foot joint (407).
6. The stroller frame folding joint (400) according to claim 5, wherein the second unlocking means comprises a first boss (418), the first boss (418) being arranged on a side of the handle joint (403) close to the rear foot joint (407) and a top surface of the first boss (418) being inclined with respect to the side, the rear foot joint (407) being provided with a first through hole through which the first boss (418) passes, the first boss (418) being adapted to push the first gear (409) out of engagement with the second gear ring when the handle joint (403) is rotated by a first predetermined angle with respect to the rear foot joint (407).
7. The stroller frame fold joint (400) according to claim 6, wherein the second locking device further comprises a push plate (408), the push plate (408) being disposed between the first gear (409) and the rear foot joint (407), the first boss (418) pushing the first gear (409) by pushing the push plate (408).
8. The stroller frame folding joint (400) according to claim 1, further comprising a third locking means arranged between the forefoot joint (411) and the first connection joint (414), the third locking means being adapted to fix the forefoot joint (411) and the first connection joint (414) relative to each other, the third unlocking means being adapted to actuate the movement of the third locking means to switch the first connection joint (414) to an unlocked state rotatable relative to the forefoot joint (411).
9. The stroller frame folding joint (400) according to claim 8, wherein the third unlocking means comprises a second boss (416), the second boss (416) being arranged on a side of the rear foot joint (407) close to the front foot joint (411), the front foot joint (411) being provided with a second through hole, the second boss (416) passing through the second through hole, the second boss (416) being adapted to push the third locking means to move when the rear foot joint (407) is rotated by a second preset angle with respect to the front foot joint (411).
10. The stroller frame folding joint (400) of claim 8, wherein the third locking device comprises:
a first groove (420) provided on the first connection joint (414), and
The first bolt (413) is movably connected with the forefoot joint (411), the first bolt (413) is inserted into the first groove (420) in a locking state that the forefoot joint (411) is relatively fixed with the first connecting joint (414), and the first bolt (413) is separated from the first groove (420) in an unlocking state that the forefoot joint (411) is rotatable relative to the first connecting joint (414).
11. The stroller frame folding joint (400) according to claim 10, wherein the third unlocking means comprises a second boss (416), the second boss (416) being arranged on a side of the rear foot joint (407) close to the front foot joint (411), the front foot joint (411) being provided with a second through hole, the second boss (416) passing through the second through hole, the second boss (416) being adapted to push the first pin (413) out of the first recess (420) when the rear foot joint (407) is rotated a second predetermined angle with respect to the front foot joint (411).
12. The stroller frame folding joint (400) according to claim 11, characterized in that the end of the first pin (413) is provided with a first bevel (423) inclined with respect to the direction of movement of the first pin (413).
13. The stroller frame folding joint (400) according to claim 1, further comprising a first connection joint (414), the first connection joint (414) being arranged on the inner side of the front foot joint (411) for connecting a seat and having a locked state fixed relative to the front foot joint (411) and an unlocked state rotatable relative to the front foot joint (411), a first stop (415) being provided on the first connection joint (414), a second stop (417) being provided on the handle joint (403), the second stop (417) extending through the rear foot joint (407) and the front foot joint (411) to the circumferential side of the first stop (415), the second stop (417) being adapted to rotate the first connection joint (414) to a preset position by pushing the first stop (415) when the stroller frame is unfolded.
14. A stroller frame comprising a stroller frame folding joint (400) according to any of the claims 1-13.
15. A stroller frame comprising a second connection joint (703) and a stroller frame folding joint (400) according to any of the claims 1-13, wherein the second connection joint (703) is connected to the first connection joint (414), and the second connection joint (703) is used for mounting a seat.
16. The stroller frame of claim 15, wherein the first connection joint (414) comprises a socket and the second connection joint (703) comprises a plug that is inserted into the socket to effect the connection of the first connection joint (414) and the second connection joint (703).
17. The stroller frame of claim 16, wherein the socket is front-to-back symmetric about its vertical axis and the plug is front-to-back symmetric about its vertical axis.
18. The stroller frame of claim 16, further comprising a fourth locking device disposed between the plug and the socket for securing the plug and the socket relative to each other, and a fourth unlocking device for driving movement of the fourth locking device to enable relative movement of the plug and the socket.
19. The stroller frame according to claim 18, wherein the fourth locking device comprises a first slider (704) and a bayonet lock (705) arranged on the plug, the first slider (704) is provided with a long strip hole which is obliquely arranged relative to the relative movement direction of the plug and the socket, the bayonet lock (705) is inserted into the long strip hole and moves in the long strip hole, a locking opening is arranged in the socket, the plug and the socket are relatively fixed when the bayonet lock (705) is inserted into the locking opening, and the fourth unlocking device is used for driving the first slider (704) to move so as to drive the bayonet lock (705) to be separated from the locking opening.
20. The stroller frame according to claim 15, further comprising a back joint (709), a fifth locking means and a fifth unlocking means, the back joint (709) being arranged inside the second connection joint (703), the fifth locking means being arranged between the back joint (709) and the second connection joint (703), the fifth locking means being arranged for relatively fixing the back joint (709) and the second connection joint (703), the fifth unlocking means being arranged for driving the fifth locking means to move for enabling a relative movement of the back joint (709) and the second connection joint (703).
21. The stroller frame according to claim 20, characterized in that the fifth locking means comprise a second gear wheel (708), a third gear wheel provided on the back joint (709) and a fourth gear wheel provided on the second connection joint (703), the second gear wheel (708) being in simultaneous engagement with the third gear wheel and the fourth gear wheel in a locked state in which the back joint (709) and the second connection joint (703) are fixed relative to each other, the second gear wheel (708) being out of engagement with the third gear wheel or the second gear wheel (708) being out of engagement with the fourth gear wheel in an unlocked state in which the back joint (709) is rotatable relative to the second connection joint (703).
22. The stroller frame according to claim 21, characterized in that the fifth unlocking means comprise a second flexible member (713), a second slider (712) and a third slider (711), the second flexible member (713) being connected to the second slider (712), the second slider (712) being provided with a first tooth, the third slider (711) being provided with a second tooth, the first tooth having a second bevel inclined with respect to the direction of movement of the first tooth, the second tooth having a third bevel inclined with respect to the direction of movement of the second tooth, the first tooth being intermeshed with the second tooth, the second bevel being in contact with the third bevel, the third slider (711) being arranged in the backrest joint (709) and being in contact with the second gear (708), the second flexible member (713) when pulled driving the second slider (712) in motion, the second slider (712) driving the third slider (711) in axial movement away from the third gear (708) via the first tooth.
23. The stroller frame according to claim 20, further comprising a foot pedal joint (715), the foot pedal joint (715) being arranged inside the back joint (709), the foot pedal joint (715) being provided with a third stop (718), the back joint (709) being provided with a fourth stop (719), the third stop (718) and the fourth stop (719) being in contact with each other and being adapted to move the foot pedal joint (715) together with the back joint (709) when the back joint (709) moves backwards.
24. The stroller frame of claim 23, further comprising a handle joint (717), wherein the handle joint (717) is disposed inside the foot joint (715), the handle joint (717) is provided with a fifth stop (716), the foot joint (715) is provided with a third through hole (721), the backrest joint (709) is provided with a second groove (720), the fifth stop (716) is inserted into the second groove (720) through the third through hole (721), and the backrest joint (709) is folded relative to the foot joint (715) by the fifth stop (716) to drive the handle joint (717) to fold towards the foot joint (715).
25. A stroller comprising a stroller frame according to any of the claims 14-24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910249580.0A CN111746618B (en) | 2019-03-29 | 2019-03-29 | Stroller frame folding joint, stroller frame and stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910249580.0A CN111746618B (en) | 2019-03-29 | 2019-03-29 | Stroller frame folding joint, stroller frame and stroller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111746618A CN111746618A (en) | 2020-10-09 |
| CN111746618B true CN111746618B (en) | 2025-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910249580.0A Active CN111746618B (en) | 2019-03-29 | 2019-03-29 | Stroller frame folding joint, stroller frame and stroller |
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| CN (1) | CN111746618B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113511249B (en) * | 2021-07-07 | 2022-11-25 | 好孩子儿童用品有限公司 | stroller |
| DE202021105009U1 (en) * | 2021-07-07 | 2021-09-27 | Suzhou Anri Child Products Co.,Ltd | Stroller for easy forward and backward folding |
| CN116022212B (en) * | 2023-03-03 | 2024-09-13 | 福建欧仕儿童用品股份有限公司 | Child cart capable of being folded rapidly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207579926U (en) * | 2017-10-26 | 2018-07-06 | 任朋朋 | Baby car joint and perambulator |
| CN209700773U (en) * | 2019-03-29 | 2019-11-29 | 珠海阳光儿童用品有限公司 | Stroller frame folding/unfolding joint, stroller frame and perambulator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM270978U (en) * | 2004-10-20 | 2005-07-21 | Link Treasure Ltd | Folding structure of stroller |
| CN103373382B (en) * | 2012-04-20 | 2015-11-25 | 珠海优力创工贸有限公司 | Commutation seat and the folded perambulator with commutation seat |
| CN103600759B (en) * | 2013-11-26 | 2016-06-01 | 中山盛加儿童用品有限公司 | A kind of folding perambulator |
| DE202015102869U1 (en) * | 2015-06-03 | 2015-06-18 | Dongguan Master Kids Toy Co., Ltd. | Moving elements for folding prams |
| CN107284506B (en) * | 2016-04-13 | 2019-11-19 | 明门香港股份有限公司 | Folding seat group and stroller |
| CN107856726A (en) * | 2017-11-15 | 2018-03-30 | 福建欧仕儿童用品股份有限公司 | A frame folding mechanism |
| CN208585305U (en) * | 2018-07-02 | 2019-03-08 | 宁波妈咪宝婴童用品制造有限公司 | A kind of folding baby vehicle |
-
2019
- 2019-03-29 CN CN201910249580.0A patent/CN111746618B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207579926U (en) * | 2017-10-26 | 2018-07-06 | 任朋朋 | Baby car joint and perambulator |
| CN209700773U (en) * | 2019-03-29 | 2019-11-29 | 珠海阳光儿童用品有限公司 | Stroller frame folding/unfolding joint, stroller frame and perambulator |
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| Publication number | Publication date |
|---|---|
| CN111746618A (en) | 2020-10-09 |
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