CN111204369A

CN111204369A - a baby stroller

Info

Publication number: CN111204369A
Application number: CN202010200508.1A
Authority: CN
Inventors: 蔡守进
Original assignee: Jiangsu Little Dinosaur Children Products Group Co ltd
Current assignee: Jiangsu Little Dinosaur Children Products Group Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-05-29
Anticipated expiration: 2040-03-20
Also published as: CN111204369B

Abstract

The invention belongs to the technical field of children products, and discloses an infant stroller which comprises a front wheel support assembly, a rear wheel support assembly and a push rod, wherein the rear wheel support assembly and the push rod are in different-shaft pin joint with the front wheel support assembly, a front wheel support connecting rod and a seat rod connecting rod are in coaxial pin joint with the middle of the front wheel support assembly, a rear wheel support connecting rod and a push rod connecting rod are in coaxial pin joint with the front wheel support connecting rod, a seat rod is rotationally connected with the seat rod connecting rod, a seat rod front connecting rod and a backrest rod are rotationally connected with two ends of the seat rod, grab bars are rotationally connected with the seat rod front connecting rod and the backrest rod at two ends respectively, the backrest rod is rotationally connected with the front wheel support assembly, and the push rod connecting rod is rotationally connected. The folding operation difficulty is small through the rotary connection of the parts, the structure of the whole vehicle is simple and uncomplicated, and the volume of the whole vehicle is small after the folding operation, so that the folding device is suitable for various narrow storage spaces.

Description

Infant stroller

Technical Field

The invention relates to the technical field of children products, in particular to an infant stroller.

Background

The foldable stroller is generally foldable in several steps into a collapsible stroller that is small in size and easy to store. In the prior art, the foldable stroller has various structures, and generally includes a foldable stroller frame, a wheel assembly disposed at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in an unfolded state. At present, the stroller frames are various in variety, the number of the rod pieces is different, and the connection relationship and the connection position between the rod pieces are different, so that the folding principle and the folding mode of the stroller frames are different. How to simplify the structure and the folding operation difficulty of the stroller frame and reduce the folded volume of the stroller frame as much as possible is a design goal of those skilled in the art.

Disclosure of Invention

The invention aims to provide an infant stroller which is simple in structure, convenient and quick to fold and small in size after being folded.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an infant's shallow, including front wheel bracket component, with rear wheel bracket component and push rod of front wheel bracket component different axle pin joint, with front wheel bracket connecting rod and seat pole connecting rod of the coaxial pin joint in front wheel bracket component middle part, with rear wheel bracket connecting rod and push rod connecting rod of the coaxial pin joint of front wheel bracket connecting rod, with seat pole connecting rod rotates the seat pole of connecting, with seat pole both ends rotate the seat pole front connecting rod and the back pole of connecting to and both ends rotate respectively connect the handrail pole of seat pole front connecting rod and back pole, the back pole rotate connect in the front wheel bracket component, the push rod connecting rod rotate connect in the push rod.

Preferably, the push rod further comprises a push handle, and the push handle is telescopically arranged in the push rod.

Preferably, a push handle pressing member and a push handle unlocking member are arranged between the push handle and the push rod, the push handle pressing member is used for locking the push handle and the push rod, and the push handle unlocking member is used for unlocking the push handle and the push rod.

Preferably, the baby stroller further comprises a whole stroller locking mechanism, the whole stroller locking mechanism comprises a first locking pin arranged at one end of the push rod in a sliding manner, the push rod connecting rod is provided with a sliding groove, and the first locking pin can be clamped in the sliding groove to lock the baby stroller.

Preferably, the backrest locking mechanism comprises a button arranged at the end part of the push rod in a sliding manner and a second locking pin driven by the button to move, a pin hole is formed in one end of the backrest rod, and the second locking pin can be inserted into the pin hole to lock the backrest rod and the push rod.

Preferably, the folding chair further comprises a tent head assembly, wherein the tent head assembly comprises a tent seat fixedly mounted at the upper end of the backrest rod, and a front tent rod and a rear tent rod which are rotatably connected with the tent seat.

Preferably, the canopy seat, the front canopy rod and the rear canopy rod are coaxially connected by a pin.

Preferably, the front wheel bracket assembly is in coaxial pin joint with the rear wheel bracket assembly and the backrest rod.

Preferably, the seat post link is pivotally connected to the seat post at an intermediate position.

Preferably, the grab bar is rotatably connected to the middle position of the back rest lever.

The invention has the beneficial effects that: through the rotation connection of above-mentioned each part, its folding operation degree of difficulty is little, and whole car simple structure is uncomplicated, and after folding, the volume of whole car is little, is applicable to various narrow and small parking spaces.

Drawings

Fig. 1 is a schematic perspective view of an infant stroller according to the present invention;

FIG. 2 is a side view of the infant stroller provided in accordance with the present invention;

FIG. 3 is a schematic view of a canopy assembly of the infant stroller provided in accordance with the present invention in a collapsed state;

FIG. 4 is a schematic view of a seat post of the stroller in a semi-collapsed state;

FIG. 5 is a schematic view of the seat post of the infant stroller of the present invention in a fully folded position;

FIG. 6 is a schematic view of a stroller with a handle in a folded state;

FIG. 7 is a schematic view of a semi-folded frame of the stroller of the present invention;

FIG. 8 is an enlarged schematic view taken at A of FIG. 7 in accordance with the present invention;

fig. 9 is a schematic view of the entire frame of the infant stroller according to the present invention in a fully folded state.

In the figure:

1. a front wheel carrier assembly; 2. a rear wheel carrier assembly; 3. a push rod; 4. a front wheel support link; 5. a seat post link; 6. a rear wheel support link; 7. a push rod connecting rod; 71. a chute; 8. a seat post; 9. a seat post front link; 10. a back rest rod; 101. a pin hole; 11. a grab rail; 12. a push handle; 13. a push handle hold down; 14. the handle is pushed to unlock the piece; 15. a first locking pin; 16. a button; 17. a second locking pin; 18. a canopy seat; 19. a front canopy rod; 20. a rear canopy rod; 21. a front wheel assembly; 22. a rear wheel assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The invention provides an infant stroller, as shown in fig. 1 and 2, comprising a front wheel bracket assembly 1, a rear wheel bracket assembly 2, a push rod 3, a front wheel bracket connecting rod 4, a seat rod connecting rod 5, a rear wheel bracket connecting rod 6, a push rod connecting rod 7, a seat rod 8, a seat rod front connecting rod 9, a backrest rod 10, a grab bar 11, a push handle 12, a shower head assembly, a front wheel assembly 21 and a rear wheel assembly 22, wherein:

the front wheel bracket assembly 1 is in rotating pin joint with the rear wheel bracket assembly 2 and the push rod 3, and a pin joint shaft of the front wheel bracket assembly 1 and the rear wheel bracket assembly 2 is not coaxial with a pin joint shaft of the front wheel bracket assembly 1 and the push rod 3. The front wheel assembly 21 is rotatably mounted on the front wheel carrier assembly 1, and the rear wheel assembly 22 is rotatably mounted on the rear wheel carrier assembly 2.

The middle part of the front wheel bracket component 1 is rotatably connected with a front wheel bracket connecting rod 4, the other end of the front wheel bracket connecting rod 4 is rotatably connected with a rear wheel bracket connecting rod 6, the rear wheel bracket connecting rod 6 is rotatably connected with the rear wheel bracket component 2, and the front wheel bracket connecting rod 4 and the rear wheel bracket connecting rod 6 can support the connection of the front wheel bracket component 1 and the rear wheel bracket component 2.

The front wheel bracket assembly 1 is also rotatably connected with a seat post connecting rod 5, and the seat post connecting rod 5 is rotatably connected with the middle position of a seat post 8. Preferably, the above-mentioned pin axes of the front wheel carrier assembly 1 and the seat bar link 5 are coaxial with the pin axes of the front wheel carrier assembly 1 and the front wheel carrier link 4. And then the linkage of the seat post 8 and the front wheel bracket assembly 1 can be smoother.

One end of the seat post 8 is rotatably connected with a seat post front connecting rod 9, the other end of the seat post 8 is rotatably connected with a backrest post 10, the seat post front connecting rod 9 and the backrest post 10 are both arranged perpendicular to the seat post 8, the other end of the seat post front connecting rod 9 is rotatably connected with a handrail rod 11, and the other end of the handrail rod 11 is rotatably connected with the middle position of the backrest post 10. The seat bar 8, the seat bar front link 9, the back rest bar 10 and the grab bar 11 are arranged to fold the seat. In this embodiment, the backrest lever 10 is rotatably connected to the front wheel bracket assembly 1, and the front wheel bracket assembly 1 is connected to the rear wheel bracket assembly 2 and the backrest lever 10 by a pin.

The push rod 3 is rotatably connected with a push rod connecting rod 7, and the push rod connecting rod 7 is coaxially connected with the front wheel bracket connecting rod 4 and the rear wheel bracket connecting rod 6 in a pin joint mode, so that the linkage of the push rod 3, the front wheel bracket assembly 1 and the rear wheel bracket assembly 2 can be realized.

In this embodiment, the handle 12 is telescopically arranged in the push rod 3, a handle pressing member 13 and a handle unlocking member 14 are arranged between the handle 12 and the push rod 3, the handle pressing member 13 is rotatably connected to the top end of the push rod 3, and the handle pressing member 13 can lock the handle 12 and the push rod 3, so as to prevent the handle 12 from moving and stretching when the infant stroller is used. The handle release 14 is rotatably connected to the tip end of the push rod 3, and the handle release 14 is used to release the lock between the handle 12 and the push rod 3.

In this embodiment, as shown in fig. 4, the infant stroller further includes a backrest locking mechanism, the backrest locking mechanism includes a button 16 slidably disposed at an end of the bottom end of the push rod 3, and a second locking pin 17 driven by the button 16 to move, wherein the button 16 is disposed at the end of the push rod 3, and the button 16 can be elastically reset by an elastic member such as a spring. One end of the backrest rod 10 is provided with a pin hole 101, and the second locking pin 17 can be inserted into the pin hole 101 to lock the backrest rod 10 and the push rod 3. Specifically, when the button 16 is pressed, the button 16 drives the second locking pin 17 to move toward the central axis of the push rod 3, at this time, the second locking pin 17 is not inserted into the pin hole 101, and when the button 16 is no longer pressed, the button 16 elastically resets and drives the second locking pin 17 to be inserted into the pin hole 101, so that the locking of the backrest lever 10 and the push rod 3 is realized.

In this embodiment, the canopy head assembly includes a canopy seat 18 fixedly mounted on the upper end of the backrest rod 10, a front canopy rod 19 and a rear canopy rod 20 rotatably connected to the canopy seat 18, wherein the canopy seat 18, the front canopy rod 19 and the rear canopy rod 20 are coaxially pinned.

As shown in fig. 7 and 8, the stroller of this embodiment further includes a vehicle locking mechanism, the vehicle locking mechanism includes a first locking pin 15 slidably disposed at one end of the push rod 3, and the first locking pin 15 can be elastically restored by an elastic member such as a spring. The push rod connecting rod 7 is provided with a sliding groove 71, and the first locking pin 15 can be clamped in the sliding groove 71 to lock the infant stroller, so that the infant stroller can be normally used. When the infant stroller needs to be folded, the push rod 3 can be pressed downwards, the push rod 3 drives the push rod connecting rod 7 to rotate, the sliding groove 71 and the first locking pin 15 slide relatively, the first locking pin 15 is separated from the sliding groove 71, and the locking of the infant stroller is released.

When the infant stroller of the present invention is used, the infant stroller is in a fully opened state (shown in fig. 1), the entire infant stroller is locked by the stroller locking mechanism, the backrest locking mechanism locks the backrest rod 10 and the push rod 3, the push handle pressing member 13 locks the push handle 12 and the push rod 3, and a user can use the infant stroller normally.

When the stroller is no longer in use and is to be folded, the canopy assembly is first folded, and the front and rear canopy bars 19, 20 are now rotated directly to the position shown in fig. 3.

Subsequently, the locking between the back lever 10 and the push rod 3 is released, that is, the push button 16 is pressed, and the push button 16 drives the second locking pin 17 to move toward the central axis of the push rod 3 and disengage from the pin hole 101, and then the back lever 10 is rotated forward, as shown in fig. 4. The backrest lever 10 is further rotated until the seat lever 8 is engaged with the front wheel bracket assembly 1, i.e., the state shown in fig. 5.

Then, the locking between the handle 12 and the push rod 3 is released, i.e. the handle pressing member 13 is rotated upwards, the lower end of the handle unlocking member 14 is pressed again, so that the locking between the handle 12 and the push rod 3 can be released, and then the handle 12 is pressed downwards, so that the handle 12 can be retracted into the push rod 3, i.e. the folded state shown in fig. 6.

Then, the push handle 12 is continuously pressed downwards, the first locking pin 15 can slide out from the opening groove of the push rod connecting rod 7, so that the locking of the whole infant stroller is released, the push handle 12 is pressed downwards, the whole stroller frame can be folded to the state shown in fig. 7, the push handle 12 is continuously folded to the state shown in fig. 9, and the folding of the whole stroller is completed.

The above-mentioned infant's shallow of this embodiment, its rotation through above-mentioned each part is connected, and its folding operation degree of difficulty is little, and whole car simple structure is uncomplicated, and after folding, the volume of whole car is little, is applicable to various narrow and small parking spaces.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An infant stroller is characterized by comprising a front wheel bracket assembly (1), a rear wheel bracket assembly (2) and a push rod (3) which are in heteropin joint with the front wheel bracket assembly (1), a front wheel bracket connecting rod (4) and a seat rod connecting rod (5) which are coaxially connected with the middle part of the front wheel bracket assembly (1) in a pin joint way, a rear wheel bracket connecting rod (6) and a push rod connecting rod (7) which are coaxially connected with the front wheel bracket connecting rod (4) in a pin joint way, a seat rod (8) rotationally connected with the seat rod connecting rod (5), a seat rod front connecting rod (9) and a backrest rod (10) rotationally connected with two ends of the seat rod (8), and a handrail rod (11) with two ends respectively connected with the seat rod front connecting rod (9) and the backrest rod (10) in a rotating way, the backrest rod (10) is rotatably connected to the front wheel bracket assembly (1), and the push rod connecting rod (7) is rotatably connected to the push rod (3).

2. The infant stroller of claim 1, further comprising a push handle (12), the push handle (12) being telescopically disposed within the push rod (3).

3. The infant stroller according to claim 2, characterized in that a push handle pressing member (13) and a push handle unlocking member (14) are provided between the push handle (12) and the push rod (3), the push handle pressing member (13) is used for locking the push handle (12) and the push rod (3), and the push handle unlocking member (14) is used for unlocking the push handle (12) and the push rod (3).

4. The infant stroller of any one of claims 1 to 3, further comprising a vehicle locking mechanism, wherein the vehicle locking mechanism comprises a first locking pin (15) slidably disposed at one end of the push rod (3), the push rod connecting rod (7) is provided with a sliding slot (71), and the first locking pin (15) can be engaged with the sliding slot (71) to lock the infant stroller.

5. The infant stroller of claim 1, further comprising a backrest locking mechanism, wherein the backrest locking mechanism comprises a button (16) slidably disposed at an end of the push rod (3), and a second locking pin (17) moved by the button (16), one end of the backrest rod (10) is provided with a pin hole (101), and the second locking pin (17) can be inserted into the pin hole (101) to lock the backrest rod (10) and the push rod (3).

6. The infant stroller of claim 1, further comprising a canopy assembly including a canopy seat (18) fixedly mounted to an upper end of the back rest bar (10), a front canopy bar (19) rotatably connected to the canopy seat (18), and a rear canopy bar (20).

7. The infant stroller of claim 6, wherein the canopy seat (18), the front canopy rod (19), and the rear canopy rod (20) are coaxially pinned together.

8. Infant stroller according to claim 1, characterized in that the front wheel support assembly (1) is coupled to the rear wheel support assembly (2) and to the backrest bar (10) by means of an eccentric pin.

9. Infant stroller according to claim 1, characterized in that the seat bar link (5) is pivotally connected to the seat bar (8) at an intermediate position.

10. Infant pushchair according to claim 1, characterised in that said grab-bar (11) is pivotally connected to said back-bar (10) in an intermediate position.