CN113830162A - Stroller Frames and Strollers - Google Patents

Stroller Frames and Strollers Download PDF

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Publication number
CN113830162A
CN113830162A CN202010587167.8A CN202010587167A CN113830162A CN 113830162 A CN113830162 A CN 113830162A CN 202010587167 A CN202010587167 A CN 202010587167A CN 113830162 A CN113830162 A CN 113830162A
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China
Prior art keywords
state
positioning
frame body
positioning block
linkage mechanism
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Granted
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CN202010587167.8A
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CN113830162B (en
Inventor
刘修平
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SUNNYLOVE BABY PRODUCTS ZHUHAI CO LTD
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SUNNYLOVE BABY PRODUCTS ZHUHAI CO LTD
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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
    • B62B7/083—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 the wheel axes being moved from each other during folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

本发明涉及一种婴儿车车架及婴儿车。婴儿车车架包括：车架本体，包括折叠状态和展开状态，车架本体包括前脚管组件；前轮组件，设于前脚管组件；锁紧机构，设于车架本体，锁紧机构包括锁止状态和解锁状态；联动机构，设于车架本体，且连接前轮组件，联动机构包括定位状态和非定位状态；车架本体被配置为在锁紧机构处于锁止状态时，保持展开状态，在锁紧机构处于解锁状态时，从展开状态向折叠状态转换；联动机构被配置为在车架本体从展开状态向折叠状态转换的过程中，由非定位状态向定位状态转换；联动机构被配置为在车架本体处于折叠状态时，处于定位状态，定位前轮组件。本发明在车架折叠过程中同步定位前轮组件，提高了车架折叠后的稳定性。

Figure 202010587167

The invention relates to a stroller frame and a stroller. The stroller frame includes: a frame body, including a folded state and an unfolded state, the frame body includes a front foot tube assembly; a front wheel assembly is arranged on the front foot tube assembly; a locking mechanism is arranged on the frame body, and the locking mechanism includes a lock A locking state and an unlocking state; a linkage mechanism is provided on the frame body and connected to the front wheel assembly, and the linkage mechanism includes a positioning state and a non-positioning state; the frame body is configured to maintain the unfolded state when the locking mechanism is in the locked state , when the locking mechanism is in the unlocked state, it is converted from the unfolded state to the folded state; the linkage mechanism is configured to switch from the non-positioned state to the positioned state during the transition of the frame body from the unfolded state to the folded state; the linkage mechanism is It is configured to be in a positioning state when the frame body is in a folded state to position the front wheel assembly. The present invention synchronizes the positioning of the front wheel assembly during the folding process of the frame, thereby improving the stability of the frame after being folded.

Figure 202010587167

Description

Baby carriage frame and baby carriage
Technical Field
The invention relates to the field of infant products, in particular to a baby carriage frame and a baby carriage.
Background
The baby carriage provides convenience for outdoor activities of babies. The problem that a front wheel assembly shakes exists after a frame of a baby carriage in the related art is folded, and stability of the baby carriage is affected.
Disclosure of Invention
Some embodiments of the present invention provide a stroller frame and a stroller for alleviating the problem of instability of the stroller frame after folding.
Some embodiments of the invention provide a stroller frame comprising:
a frame body including a folded state and an unfolded state, the frame body including a front foot tube assembly;
a front wheel assembly disposed on the front foot tube assembly;
the locking mechanism is arranged on the frame body and comprises a locking state and an unlocking state; and
the linkage mechanism is arranged on the frame body and connected with the front wheel assembly, and comprises a positioning state and a non-positioning state;
wherein the frame body is configured to maintain an unfolded state when the locking mechanism is in a locked state, the frame body being configured to transition from the unfolded state to the folded state when the locking mechanism is in an unlocked state;
the linkage mechanism is configured to act in the process of converting the frame body from the unfolding state to the folding state, and convert from the non-positioning state to the positioning state; the linkage mechanism is configured to be in a positioning state to position the front wheel assembly when the frame body is in a folded state.
In some embodiments, the linkage mechanism includes a positioning block disposed on the front caster assembly and a positioning groove disposed on the front caster assembly, the positioning block is located outside the positioning groove when the linkage mechanism is in the non-positioning state, the positioning block moves into the positioning groove when the linkage mechanism is switched from the non-positioning state to the positioning state, the linkage mechanism is in the positioning state, a portion of the positioning block is located inside the positioning groove, and a portion of the positioning block is located outside the positioning groove.
In some embodiments, the front wheel assembly includes a mounting bracket rotatably mounted to the front foot tube assembly and wheels mounted to the mounting bracket, the positioning slot being located in the mounting bracket, the mounting bracket being fixed in position relative to the front foot tube assembly when the linkage is in the positioned position.
In some embodiments, the linkage mechanism further includes a pull rope, a first end of the pull rope is connected to the positioning block, a second end of the pull rope is connected to the frame body, the pull rope is configured to pull the positioning block to keep the positioning block outside the positioning groove when the frame body is in the unfolded state, and the pull rope is further configured to be loosened during the transition of the frame body from the unfolded state to the folded state so as to reduce the pulling force on the positioning block.
In some embodiments, the linkage mechanism further includes an elastic member disposed on the front foot tube assembly, one end of the elastic member abuts against the positioning block, and the other end of the elastic member abuts against the front foot tube assembly, and the elastic member is configured to provide an elastic force to push the positioning block to move into the positioning groove when the pull rope is loosened.
In some embodiments, the forefoot tube assembly includes a forefoot tube and a guide block, the guide block is disposed at a lower end of the forefoot tube, and a portion of the guide block is disposed in the forefoot tube, the guide block has a groove, the elastic member is disposed in the groove and abuts against a wall surface of the groove and the positioning block, respectively, the positioning block is configured to move along the groove, when the linkage mechanism is in the positioning state, a portion of the positioning block is located in the positioning groove, and a portion of the positioning block is located in the groove, when the linkage mechanism is in the non-positioning state, the positioning block is located in the groove.
In some embodiments, the guide block is provided with a through hole, the through hole is communicated with the groove, and the pull rope penetrates through the through hole to be connected with the positioning block.
In some embodiments, the frame body further includes a rear foot tube assembly, the linkage mechanism further includes a guide wheel, the guide wheel is disposed on the front foot tube, the pull rope is disposed in the front foot tube and connected to the positioning block, and a portion of the pull rope is disposed outside the front foot tube and connected to the rear foot tube assembly via the guide wheel.
In some embodiments, the guide wheel is rotatably disposed on the front leg tube, and the guide wheel is configured to rotate under the pulling force of the pulling rope.
In some embodiments, the pull rope includes a first rope segment and a second rope segment, a first end of the first rope segment is connected to the positioning block, a second end of the first rope segment is connected to a first position of the guide wheel, a first end of the second rope segment is connected to a second position of the guide wheel, a second end of the second rope segment is connected to the rear foot tube assembly, and the guide wheel is configured to rotate under the pulling force of the second rope segment, so that the positioning block is pulled by the first rope segment.
In some embodiments, the frame body further comprises a rear leg assembly, the rear leg assembly and the front leg assembly face away from each other during transition from the folded state to the unfolded state, and the rear leg assembly and the front leg assembly approach each other during transition from the unfolded state to the folded state.
In some embodiments of the present invention, the,
the linkage mechanism further comprises a pull rope, the first end of the pull rope is connected with the positioning block, and the second end of the pull rope is connected with the rear foot tube assembly;
the pull rope is configured to pull the positioning block when the locking mechanism is in a locked state and the frame body is in an unfolded state, so that the positioning block is kept outside the positioning groove, and the linkage mechanism is in a non-positioning state;
the pull rope is further configured to enable the locking mechanism to be in an unlocking state, the frame body is loosened to reduce the lifting force on the positioning block in the process of converting from the unfolding state to the folding state, part of the positioning block is located in the positioning groove, and the linkage mechanism is in a positioning state.
Some embodiments of the invention provide a stroller comprising the stroller frame described above.
Based on the technical scheme, the invention at least has the following beneficial effects:
in some embodiments, in the process of the frame body converting from the unfolding state to the folding state, the linkage mechanism acts and converts from the non-positioning state to the positioning state, and when the frame body is in the folding state, the linkage mechanism is in the positioning state, the front wheel assembly is positioned, so that the front wheel assembly is prevented from shaking, the stability of the frame body after being folded is improved, the front wheel assembly can be synchronously positioned in the folding process of the frame body, the frame body is folded, the front wheel assembly is positioned, the front wheel assembly does not need to be independently positioned, and the operation is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic side view of a stroller frame provided in accordance with some embodiments of the present invention in a deployed state;
FIG. 2 is an enlarged schematic view of a portion of structure A of FIG. 1;
FIG. 3 is a side schematic view of a stroller frame provided in accordance with some embodiments of the present invention in a folded state;
fig. 4 is an enlarged schematic view of a partial structure B of fig. 3.
The reference numbers in the drawings illustrate the following:
1-a frame body; 11-a forefoot tube assembly; 111-front leg tube; 112-a guide block; 113-a groove; 114-a through hole; 12-a back leg tube assembly;
2-a front wheel assembly; 21-a mounting frame; 22-wheels;
3-a locking mechanism;
4-a linkage mechanism; 41-a positioning block; 42-positioning grooves; 43-a pull rope; 431-a first rope segment; 432-a second rope segment; 44-an elastic member; 45-guide wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
As shown in fig. 1, some embodiments provide a stroller frame that includes a frame body 1, a front wheel assembly 2, a locking mechanism 3, and a linkage mechanism 4.
The frame body 1 includes a folded state and an unfolded state, and the frame body 1 includes a front foot tube assembly 11. The front wheel assembly 2 is provided to the front foot tube assembly 11. The locking mechanism 3 is arranged on the frame body 1, and the locking mechanism 3 comprises a locking state and an unlocking state. The linkage mechanism 4 is arranged on the frame body 1 and connected with the front wheel assembly 2, and the linkage mechanism 4 comprises a positioning state and a non-positioning state.
Wherein the frame body 1 is configured to maintain the unfolded state when the locking mechanism 3 is in the locked state, and the frame body 1 is configured to be convertible from the unfolded state to the folded state when the locking mechanism 3 is in the unlocked state.
The linkage mechanism 4 is configured to act in the process of converting the frame body 1 from the unfolding state to the folding state, and convert from the non-positioning state to the positioning state; the link mechanism 4 is configured to be in a positioning state to position the front wheel assembly 2 when the frame body 1 is in the folded state.
In some embodiments, in the process of the frame body 1 converting from the unfolding state to the folding state, that is, in the folding process of the frame body 1, the linkage mechanism 4 acts, the frame body is converted from the non-positioning state to the positioning state, and when the frame body 1 is in the folding state, the frame body is in the positioning state, the front wheel assembly 2 is positioned, the front wheel assembly 2 is prevented from shaking, the stability of the frame body 1 after being folded is improved, the front wheel assembly 2 can be synchronously positioned in the folding process of the frame body 1, when the frame body 1 is folded, the positioning of the front wheel assembly 2 is completed, the front wheel assembly 2 does not need to be separately positioned, and the operation is convenient.
In some embodiments, as shown in fig. 2, the linkage mechanism 4 includes a positioning block 41 disposed on the front foot tube assembly 11 and a positioning groove 42 disposed on the front wheel assembly 2, and the positioning block 41 has a dimension in the depth direction of the positioning groove 42 greater than the depth of the positioning groove 42. As shown in fig. 2, when the linkage mechanism 4 is in the non-positioning state, the positioning block 41 is located outside the positioning slot 42, and when the linkage mechanism 4 is switched from the non-positioning state to the positioning state, the positioning block 41 moves into the positioning slot 42; as shown in fig. 3 and 4, when the linkage mechanism 4 is in the positioning state, part of the positioning block 41 is located in the positioning groove 42, and part of the positioning block is located outside the positioning groove 42 and inside the front leg assembly 11, and the front leg assembly 2 is positioned by matching the positioning block 41 and the positioning groove 42, so that the structure is simple and the operation is convenient.
In some embodiments, the front wheel assembly 2 includes a mounting bracket 21 and wheels 22, the mounting bracket 21 is rotatably mounted to the front footrest assembly 11, the wheels 22 are mounted to the mounting bracket 21, and the positioning slot 42 is formed in the mounting bracket 21. When the frame body 1 is in the folded state and the linkage mechanism 4 is in the positioning state, the mounting frame 21 is fixed relative to the position of the front foot tube assembly 11, the mounting frame 21 cannot swing or rotate relative to the front foot tube assembly 11, and the wheels 22 can rotate per se, so that the folded frame body 1 is pushed, and the instable problem of the frame body 1 due to the fact that the mounting frame 21 swings or rotates relative to the front foot tube assembly 11 is avoided. When the frame body 1 is in the unfolded state and the linkage mechanism 4 is in the non-positioning state, the mounting frame 21 can swing or rotate relative to the mounting frame 21, so that the frame body 1 can be reversed when the frame body 1 is pushed.
In some embodiments, the linkage mechanism 4 further includes a pulling rope 43, a first end of the pulling rope 43 is connected to the positioning block 41, and a second end of the pulling rope 43 is connected to the frame body 1, as shown in fig. 2, the pulling rope 43 is configured to pull the positioning block 41 to keep the positioning block 41 outside the positioning groove 42 when the frame body 1 is in the unfolded state, as shown in fig. 4, and the pulling rope 43 is further configured to be loosened during the transition of the frame body 1 from the unfolded state to the folded state to reduce the pulling force on the positioning block 41.
When the frame body 1 is in the unfolded state, the stay 43 is in the tensioned state, and the positioning block 41 is pulled up to hold the positioning block 41 outside the positioning groove 42, thereby releasing the positioning action on the front wheel assembly 2. When the frame body 1 is converted from the unfolded state to the folded state, the pull rope 43 is loosened, the pulling force on the positioning block 41 is reduced, finally, when the frame body 1 is in the folded state, the pull rope 43 has no pulling force on the positioning block 41, the positioning block 41 can be positioned in the positioning groove 42 under the external force, so that the mounting frame 21 of the front wheel assembly 2 is fixed relative to the position of the front foot tube assembly 11, and the purpose of positioning the front wheel assembly 2 is achieved.
In some embodiments, the linkage mechanism 4 further includes an elastic member 44, the elastic member 44 is disposed on the front leg assembly 11, one end of the elastic member 44 abuts against the positioning block 41, the other end of the elastic member 44 abuts against the front leg assembly 11, and the elastic member 44 is configured to provide an elastic force to push the positioning block 41 to move into the positioning slot 42 when the pulling rope 43 is loosened. The elastic piece 44 provides restoring force to push the positioning block 41 to move in the positioning groove 42, so that the operation is convenient, and the linkage of the positioning of the front wheel assembly 2 in the folding process of the frame body 1 is favorably realized.
Optionally, the resilient member 44 comprises a spring.
In some embodiments, the forefoot tube assembly 11 includes a forefoot tube 111 and a guide block 112. The guide block 112 is disposed at the lower end of the front leg tube 111, i.e. the end of the front leg tube 111 close to the ground, part of the guide block 112 is disposed in the front leg tube 111, the guide block 112 is provided with a groove 113, the elastic member 44 is disposed in the groove 113, one end of the elastic member 44 abuts against the wall surface of the groove 113, and the other end of the elastic member 44 abuts against the positioning block 41. The groove 113 is formed at a portion of the guide block 112 located outside the front leg 111.
In the process of converting the frame body 1 from the folded state to the unfolded state, the pull rope 43 pulls the positioning block 41, and when the positioning block 41 moves outwards from the positioning groove 42, the elastic member 44 is compressed and moves into the groove 113, as shown in fig. 2, when the frame body 1 is in the unfolded state, the positioning block 41 is located outside the positioning groove 42, and the elastic member 44 is located in the groove 113. When the frame body 1 is switched from the unfolded state to the folded state, the pulling force of the pulling rope 43 on the positioning block 44 is reduced, the elastic member 44 provides restoring force to push the positioning block 41 to move towards the positioning slot 42, as shown in fig. 4, when the frame body 1 is in the folded state, the pulling rope 43 has no pulling force on the positioning block 44, the positioning block 44 is partially positioned in the positioning slot 42 and partially positioned in the groove 113 under the restoring force of the elastic member 44, and the groove 113 guides the movement of the positioning block 44.
In some embodiments, the guide block 112 is provided with a through hole 114, the through hole 114 is communicated with the groove 113, and the pull rope 43 passes through the through hole 114 to be connected with the positioning block 41. The through hole 114 also has a guiding function for the pulling rope 43. The through hole 114 is partially located outside the front leg 111 and partially located inside the front leg 111.
In some embodiments, the frame body 1 further includes a rear foot tube assembly 12. In the process of the frame body 1 converting from the folded state to the unfolded state, the rear foot pipe assembly 12 and the front foot pipe assembly 11 deviate from each other to support the whole frame, and in the process of the frame body 1 converting from the unfolded state to the folded state, the rear foot pipe assembly 12 and the front foot pipe assembly 11 are close to each other to be folded.
In some embodiments, a first end of the pull cord 43 is attached to the locating block 41 and a second end of the pull cord 43 is attached to the rear leg assembly 12.
In some embodiments, the linkage mechanism 4 further includes a guide wheel 45, the guide wheel 45 is disposed on the front leg 111, the pull cord 43 is disposed inside the front leg 111 and connected to the positioning block 41, and a portion of the pull cord 43 is disposed outside the front leg 111 and connected to the rear leg assembly 12 via the guide wheel 45.
In some embodiments, the guide wheel 45 is rotatably disposed on the forefoot tube assembly 11, and the guide wheel 45 is configured to rotate under the tension of the pull cord 43. The guide wheel 45 rotates to prevent the stay cord 43 from being stuck.
In some embodiments, as shown in fig. 2 and 4, the pulling rope 43 includes a first rope portion 431 and a second rope portion 432, a first end of the first rope portion 431 is connected to the positioning block 41, a second end of the first rope portion 431 is connected to a first position of the guide wheel 45, a first end of the second rope portion 432 is connected to a second position of the guide wheel 45, a second end of the second rope portion 432 is connected to the rear foot pipe assembly 12, and the guide wheel 45 is configured to rotate under the pulling force of the second rope portion 432, so that the positioning block 41 is pulled by the first rope portion 431.
The pulling rope 43 is configured to be pulled tightly when the locking mechanism 3 is in a locking state, the frame body 1 is in a unfolding state, and the rear foot tube assembly 12 and the front foot tube assembly 11 are separated, so as to pull the positioning block 41, so that the positioning block 41 is kept outside the positioning groove 42, and the linkage mechanism 4 is in a non-positioning state.
The pulling rope 43 is further configured to be in an unlocking state when the locking mechanism 3 is in the unlocking state, the frame body 1 is converted from the unfolding state to the folding state, the pulling rope 43 is loosened to reduce the pulling force on the positioning block 41 in the process that the rear foot tube assembly 12 and the front foot tube assembly 11 are close to each other and are folded, a part of the positioning block 41 is located in the positioning groove 42, and the linkage mechanism 4 is in the positioning state.
That is to say, when rear foot pipe assembly 12 and front foot pipe assembly 11 were close to the receipts mutually, 4 synchronous positioning front wheel subassembly 2 of link gear prevented that front wheel subassembly 2 from taking place to rock, had improved the stability after frame body 1 is folded, and when rear foot pipe assembly 12 and front foot pipe assembly 11 deviated from mutually, link gear 4 removed the location to front wheel subassembly 2 in step, can not influence the motion flexibility of frame body 1 after the expansion.
Some embodiments provide a stroller comprising the stroller frame of the above embodiments. The locking mechanism 3 of the baby carriage frame is unlocked, the linkage mechanism 4 acts when the carriage body 1 is converted from the unfolding state to the folding state, the non-positioning state is converted to the positioning state, when the carriage body 1 is in the folding state, the linkage mechanism 4 is in the positioning state, the front wheel assembly 2 is positioned, the front wheel assembly 2 cannot freely reverse relative to the carriage body 1, and the stability of the baby carriage after being folded is improved. When the frame body 1 is in the unfolding state and the locking mechanism 3 locks the frame body 1, the linkage mechanism 4 is in the non-positioning state, the positioning of the front wheel assembly 2 is released, the front wheel assembly 2 can be freely reversed relative to the frame body 1, and the flexibility of the baby carriage in the use process is improved.
In the description of the present invention, it should be understood that the terms "first", "second", "third", etc. are used to define the components, and are used only for the convenience of distinguishing the components, and if not otherwise stated, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present invention.
Furthermore, the technical features of one embodiment may be combined with one or more other embodiments advantageously without explicit negatives.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims (13)

1.一种婴儿车车架，其特征在于，包括：1. A stroller frame, characterized in that, comprising: 车架本体(1)，包括折叠状态和展开状态，所述车架本体(1)包括前脚管组件(11)；A frame body (1), including a folded state and an unfolded state, the frame body (1) comprising a front leg tube assembly (11); 前轮组件(2)，设于所述前脚管组件(11)；a front wheel assembly (2), arranged on the front leg tube assembly (11); 锁紧机构(3)，设于所述车架本体(1)，所述锁紧机构(3)包括锁止状态和解锁状态；以及A locking mechanism (3), provided on the frame body (1), the locking mechanism (3) includes a locked state and an unlocked state; and 联动机构(4)，设于所述车架本体(1)，且连接所述前轮组件(2)，所述联动机构(4)包括定位状态和非定位状态；a linkage mechanism (4), arranged on the frame body (1) and connected to the front wheel assembly (2), the linkage mechanism (4) includes a positioning state and a non-positioning state; 其中，所述车架本体(1)被配置为在所述锁紧机构(3)处于锁止状态时，保持展开状态，所述车架本体(1)被配置为在所述锁紧机构(3)处于解锁状态时，从所述展开状态向所述折叠状态转换；Wherein, the frame body (1) is configured to maintain the unfolded state when the locking mechanism (3) is in the locked state, and the frame body (1) is configured to be in the locking mechanism ( 3) When in the unlocked state, transition from the unfolded state to the folded state; 所述联动机构(4)被配置为在所述车架本体(1)从展开状态向折叠状态转换的过程中，发生动作，由非定位状态向定位状态转换；所述联动机构(4)被配置为在所述车架本体(1)处于折叠状态时，处于定位状态，定位所述前轮组件(2)。The linkage mechanism (4) is configured to act during the transition of the frame body (1) from the unfolded state to the folded state, and the linkage mechanism (4) is switched from the non-positioning state to the positioning state; It is configured to position the front wheel assembly (2) when the frame body (1) is in a folded state and in a positioning state. 2.如权利要求1所述的婴儿车车架，其特征在于，所述联动机构(4)包括设于所述前脚管组件(11)的定位块(41)和设于所述前轮组件(2)的定位槽(42)，所述联动机构(4)在非定位状态时，所述定位块(41)位于所述定位槽(42)外，所述联动机构(4)从非定位状态向定位状态转换的过程中，所述定位块(41)向所述定位槽(42)内移动，所述联动机构(4)处于定位状态，所述定位块(41)的部分部位位于所述定位槽(42)内，部分部位位于所述定位槽(42)外。2 . The stroller frame according to claim 1 , wherein the linkage mechanism ( 4 ) comprises a positioning block ( 41 ) provided on the front leg tube assembly ( 11 ) and a positioning block ( 41 ) provided on the front wheel assembly The positioning groove (42) of (2), when the linkage mechanism (4) is in the non-positioning state, the positioning block (41) is located outside the positioning groove (42), and the linkage mechanism (4) is not positioned from the non-positioning state. During the transition from the state to the positioning state, the positioning block (41) moves into the positioning groove (42), the linkage mechanism (4) is in the positioning state, and a part of the positioning block (41) is located at the position of the positioning block (41). inside the positioning groove (42), and some parts are located outside the positioning groove (42). 3.如权利要求2所述的婴儿车车架，其特征在于，所述前轮组件(2)包括安装架(21)和轮子(22)，所述安装架(21)可转动地设于所述前脚管组件(11)，所述轮子(22)设于所述安装架(21)，所述定位槽(42)设于所述安装架(21)，在所述联动机构(4)处于定位状态时，所述安装架(21)相对于所述前脚管组件(11)的位置固定。3. The stroller frame according to claim 2, wherein the front wheel assembly (2) comprises a mounting bracket (21) and a wheel (22), and the mounting bracket (21) is rotatably provided on the In the front leg tube assembly (11), the wheel (22) is provided on the mounting frame (21), the positioning groove (42) is provided on the mounting frame (21), and the linkage mechanism (4) When in the positioning state, the position of the mounting bracket (21) relative to the front leg tube assembly (11) is fixed. 4.如权利要求2所述的婴儿车车架，其特征在于，所述联动机构(4)还包括拉绳(43)，所述拉绳(43)的第一端连接所述定位块(41)，所述拉绳(43)的第二端连接所述车架本体(1)，所述拉绳(43)被配置为在所述车架本体(1)处于展开状态时，提拉所述定位块(41)，使所述定位块(41)保持在所述定位槽(42)外，所述拉绳(43)还被配置在所述车架本体(1)从所述展开状态向所述折叠状态转换的过程中，松弛，以减少对所述定位块(41)的提拉力。4 . The stroller frame according to claim 2 , wherein the linkage mechanism ( 4 ) further comprises a pull rope ( 43 ), and the first end of the pull rope ( 43 ) is connected to the positioning block ( 4 . 41), the second end of the pull rope (43) is connected to the frame body (1), and the pull rope (43) is configured to be pulled up when the frame body (1) is in the unfolded state The positioning block (41) keeps the positioning block (41) outside the positioning groove (42). During the transition from the state to the folded state, relaxation is performed to reduce the pulling force on the positioning block (41). 5.如权利要求4所述的婴儿车车架，其特征在于，所述联动机构(4)还包括弹性件(44)，所述弹性件(44)设于所述前脚管组件(11)，所述弹性件(44)的一端与所述定位块(41)抵接，所述弹性件(44)的另一端与所述前脚管组件(11)抵接，所述弹性件(44)被配置为在所述拉绳(43)松弛时，提供弹力，以推动所述定位块(41)向所述定位槽(42)内移动。5. The stroller frame according to claim 4, wherein the linkage mechanism (4) further comprises an elastic member (44), and the elastic member (44) is provided on the front leg tube assembly (11) , one end of the elastic piece (44) is in contact with the positioning block (41), the other end of the elastic piece (44) is in contact with the front leg tube assembly (11), and the elastic piece (44) It is configured to provide elastic force to push the positioning block (41) to move into the positioning groove (42) when the pulling rope (43) is loosened. 6.如权利要求5所述的婴儿车车架，其特征在于，所述前脚管组件(11)包括前脚管(111)和导向块(112)，所述导向块(112)设于所述前脚管(111)的下端，且所述导向块(112)的部分部位设于所述前脚管(111)内，所述导向块(112)设有凹槽(113)，所述弹性件(44)设于所述凹槽(113)内，且分别与所述凹槽(113)的壁面和所述定位块(41)抵接，所述定位块(41)被配置为沿所述凹槽(113)移动，在所述联动机构(4)处于定位状态时，所述定位块(41)的部分部位位于所述定位槽(42)内，部分部位位于所述凹槽(113)内，在所述联动机构(4)处于非定位状态时，所述定位块(41)位于所述凹槽(113)内。6 . The stroller frame according to claim 5 , wherein the front leg tube assembly ( 11 ) comprises a front leg tube ( 111 ) and a guide block ( 112 ), and the guide block ( 112 ) is provided on the The lower end of the front leg tube (111), and part of the guide block (112) is provided in the front leg tube (111), the guide block (112) is provided with a groove (113), the elastic member ( 44) is provided in the groove (113), and abuts with the wall surface of the groove (113) and the positioning block (41) respectively, the positioning block (41) is configured to be along the groove (113) The groove (113) moves, and when the linkage mechanism (4) is in the positioning state, part of the positioning block (41) is located in the positioning groove (42), and part of the positioning block (41) is located in the groove (113) , when the linkage mechanism (4) is in a non-positioning state, the positioning block (41) is located in the groove (113). 7.如权利要求6所述的婴儿车车架，其特征在于，所述导向块(112)设有通孔(114)，所述通孔(114)与所述凹槽(113)连通，所述拉绳(43)穿过所述通孔(114)连接所述定位块(41)。7. The stroller frame according to claim 6, wherein the guide block (112) is provided with a through hole (114), and the through hole (114) communicates with the groove (113), The pulling rope (43) is connected to the positioning block (41) through the through hole (114). 8.如权利要求6所述的婴儿车车架，其特征在于，所述车架本体(1)还包括后脚管组件(12)，所述联动机构(4)还包括导向轮(45)，所述导向轮(45)设于所述前脚管(111)，所述拉绳(43)的部位设于所述前脚管(111)内，且连接所述定位块(41)，所述拉绳(43)的部分部位设于所述前脚管(111)外，且经过所述导向轮(45)连接所述后脚管组件(12)。8. The stroller frame according to claim 6, wherein the frame body (1) further comprises a rear leg assembly (12), and the linkage mechanism (4) further comprises a guide wheel (45), The guide wheel (45) is arranged on the front foot tube (111), and the part of the pull rope (43) is arranged in the front foot tube (111), and is connected to the positioning block (41), the pulling A part of the rope (43) is arranged outside the front leg tube (111), and is connected to the rear leg tube assembly (12) through the guide wheel (45). 9.如权利要求8所述的婴儿车车架，其特征在于，所述导向轮(45)可转动地设于所述前脚管(111)，所述导向轮(45)被配置为在所述拉绳(43)的拉力作用下转动。9 . The stroller frame according to claim 8 , wherein the guide wheel ( 45 ) is rotatably provided on the front leg tube ( 111 ), and the guide wheel ( 45 ) is configured to The pull rope (43) rotates under the action of the pulling force. 10.如权利要求9所述的婴儿车车架，其特征在于，所述拉绳(43)包括第一绳段(431)和第二绳段(432)，所述第一绳段(431)的第一端连接所述定位块(41)，所述第一绳段(431)的第二端连接所述导向轮(45)的第一位置，所述第二绳段(432)的第一端连接所述导向轮(45)的第二位置，所述第二绳段(432)的第二端连接所述后脚管组件(12)，所述导向轮(45)被配置为在所述第二绳段(432)的拉力下转动，以使所述第一绳段(431)提拉所述定位块(41)。10. The stroller frame according to claim 9, wherein the pull cord (43) comprises a first cord segment (431) and a second cord segment (432), the first cord segment (431) ) is connected to the positioning block (41), the second end of the first rope segment (431) is connected to the first position of the guide wheel (45), and the second rope segment (432) is connected to the first position of the guide wheel (45). The first end is connected to the second position of the guide wheel (45), the second end of the second rope segment (432) is connected to the rear leg tube assembly (12), and the guide wheel (45) is configured to The second rope segment (432) rotates under the pulling force, so that the first rope segment (431) pulls the positioning block (41). 11.如权利要求2所述的婴儿车车架，其特征在于，所述车架本体(1)还包括后脚管组件(12)，所述车架本体(1)在从所述折叠状态向所述展开状态转换的过程中，所述后脚管组件(12)和所述前脚管组件(11)相背离，所述车架本体(1)在从所述展开状态向所述折叠状态转换的过程中，所述后脚管组件(12)和所述前脚管组件(11)相靠近收合。11. The stroller frame according to claim 2, characterized in that, the frame body (1) further comprises a rear leg assembly (12), and the frame body (1) extends from the folded state to the rear leg assembly (12). During the transition from the unfolded state, the rear leg tube assembly (12) and the front leg tube assembly (11) deviate from each other, and the frame body (1) is in the transition from the unfolded state to the folded state. During the process, the rear leg tube assembly (12) and the front leg tube assembly (11) are close to and folded. 12.如权利要求11所述的婴儿车车架，其特征在于，12. The stroller frame of claim 11, wherein 所述联动机构(4)还包括拉绳(43)，所述拉绳(43)的第一端连接所述定位块(41)，所述拉绳(43)的第二端连接所述后脚管组件(12)；The linkage mechanism (4) further comprises a pull rope (43), the first end of the pull rope (43) is connected to the positioning block (41), and the second end of the pull rope (43) is connected to the rear foot tube assembly (12); 所述拉绳(43)被配置为在所述锁紧机构(3)处于锁止状态，所述车架本体(1)处于展开状态时，提拉所述定位块(41)，使所述定位块(41)保持在所述定位槽(42)外，所述联动机构(4)处于非定位状态；The pulling rope (43) is configured to pull the positioning block (41) when the locking mechanism (3) is in the locked state and the frame body (1) is in the unfolded state, so that the The positioning block (41) is kept outside the positioning groove (42), and the linkage mechanism (4) is in a non-positioning state; 所述拉绳(43)还被配置在所述锁紧机构(3)处于解锁状态，所述车架本体(1)从所述展开状态向所述折叠状态转换的过程中，松弛，以减少对所述定位块(41)的提拉力，所述定位块(41)的部分部位位于所述定位槽(42)内，所述联动机构(4)处于定位状态。The drawstring (43) is also configured to loosen when the locking mechanism (3) is in an unlocked state and the frame body (1) is converted from the unfolded state to the folded state, so as to reduce the slack. For the pulling force of the positioning block (41), a part of the positioning block (41) is located in the positioning groove (42), and the linkage mechanism (4) is in a positioning state. 13.一种婴儿车，其特征在于，包括如权利要求1至12任一项所述的婴儿车车架。13. A stroller, comprising the stroller frame according to any one of claims 1 to 12.
CN202010587167.8A 2020-06-24 2020-06-24 Baby stroller frames and baby strollers Active CN113830162B (en)

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