CN210502820U

CN210502820U - Children's barrow

Info

Publication number: CN210502820U
Application number: CN201920948020.XU
Authority: CN
Inventors: 李丰; 刘玉
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-05-12
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a children's shallow, including the shallow frame that has expansion state and fold condition, set up in the wheel subassembly of shallow frame bottom, a locking mechanical system for locking the shallow frame in expansion state, the shallow frame includes the fore-stock, rotate the seat pole of being connected mutually with the fore-stock, the lower push rod, the upper end looks rotation last push rod of tip and lower push rod down being connected down, slide and set up the slider on the lower push rod, the upper end rotates the connecting rod of being connected mutually with the slider, rotate the after-poppet of being connected mutually with the connecting rod, the seat pole rotates the setting mutually with the connecting rod, the upper end of fore-stock, the upper end of after-poppet and the lower extreme looks rotation of lower push rod are connected. The utility model discloses a children's shallow, simple structure, member are few, easy operation, and folding convenience, the practicality is strong, receives shallow self gravity influence can accomplish foldingly, folds fast and folding back small.

Description

Children's barrow

Technical Field

The utility model relates to a children article technical field, concretely relates to children's shallow.

Background

The stroller in the prior art (for example, the bulletin number is CN207106582U, the bulletin date is 2018-3-16) comprises a stroller frame having an unfolded state and a folded state, wherein the stroller frame comprises a push handle, a lower push rod, a front bracket, a rear bracket, a first linkage rod, a second linkage rod and a bracket connecting piece; the cart frame further comprises a sliding piece and an unlocking mechanism matched with the sliding piece, the first linkage rod and the second linkage rod are respectively connected to the sliding piece and pass through the sliding piece to be connected to the rear support, the unlocking mechanism and the unlocking piece are regulated and controlled, and the sliding piece slides to the lower end of the rear support, so that the front support and the lower push rod are folded on two sides of the rear support.

Disclosure of Invention

The utility model aims at providing a children's shallow of different structures.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a children's shallow, including have the shallow frame of expansion state and fold condition, set up in shallow frame bottom the wheel subassembly, be used for with shallow frame lock in the locking mechanical system of expansion state, shallow frame include the fore-stock, with the fore-stock rotate seat pole, the lower push rod of being connected mutually, the lower tip with the upper end of lower push rod rotate the last push rod of being connected, slide and set up and be in the slider on the lower push rod, the upper end with the slider rotate the connecting rod of being connected mutually, with the connecting rod rotate the rear bracket of being connected mutually, the seat pole with the connecting rod rotate the setting mutually, the upper end of fore-stock, the upper end of rear bracket with the lower extreme of lower push rod mutually rotate and connect.

Furthermore, the seat rod comprises a seat part and a connecting part, wherein the front end part of the seat part is rotationally connected with the front bracket, the connecting part is fixedly connected with the seat part and protrudes downwards, and the front end part of the connecting rod is rotationally connected with the connecting part.

Furthermore, the connecting rod be the L type, including the first pole that extends along upper and lower direction and the second pole that extends along left and right directions, the upper end of first pole with the slider rotate mutually and be connected, the lower part of first pole with the after-poppet rotate mutually and be connected, the front end of second pole with the connecting piece rotate mutually and be connected.

Still further, when the stroller frame is in the unfolded state, the extending direction of the seat member intersects with the extending direction of the second rod. The intersection in the present invention means that the extending direction of the seat member is not parallel to the extending direction of the second rod.

Furthermore, the seat element comprises first seat rods positioned on two sides and extending in the up-down direction, second seat rods positioned on two sides and extending in the front-back direction, and third seat rods with two end parts respectively connected with the rear end parts of the second seat rods on the two sides, the upper end parts of the first seat rods on the two sides are respectively connected with the front end parts of the second seat rods on the two sides, the lower end parts of the first seat rods are rotatably connected with the front support, and the connecting piece is fixedly connected with the second seat rods. With this embodiment, the direction of extension of the second seat bar intersects the direction of extension of the second bar when the stroller frame is in the deployed state.

Furthermore, the front bracket is rotatably connected with the seat rod through a first rotating shaft, the front bracket, the rear bracket and the lower push rod are rotatably connected through a second rotating shaft, the connecting rod is rotatably connected with the sliding piece through a third rotating shaft, the connecting rod is rotatably connected with the rear bracket through a fourth rotating shaft, and the connecting rod is rotatably connected with the seat rod through a fifth rotating shaft; when the cart frame is in an unfolded state, the fifth rotating shaft is positioned below the second rotating shaft, and the fourth rotating shaft is positioned behind the fifth rotating shaft and in front of and below the third rotating shaft.

Furthermore, the upper push rod and the lower push rod are rotationally connected through a rotating joint, and the locking mechanism is arranged between the sliding piece and the lower push rod; the child stroller also comprises an unlocking mechanism which can drive the rotating joint and the locking mechanism to unlock.

Furthermore, the locking mechanism comprises a sliding block which is connected with the lower push rod in a sliding mode, a lock tongue which is connected with the sliding block in a rotating mode, a lock groove which is formed in the sliding piece and can be matched and locked with the lock tongue, and a reset assembly which enables the locking mechanism to have the trend of moving towards the locking position.

Still further, the reset component comprises a first elastic piece with two end parts respectively abutted on the sliding block and the lower push rod, and a second elastic piece with two end parts respectively abutted on the sliding block and the bolt.

Furthermore, the unlocking mechanism comprises an unlocking piece, a first traction cable which is respectively connected with the unlocking piece and the rotating joint and can drive the rotating joint to unlock, and a second traction cable of which one end is connected with the unlocking piece, the upper push rod or the rotating joint; the other end of the second traction cable is connected with the sliding block.

Further, when the stroller frame is folded, the upper push rod is rotated forwards to be folded and close to the lower push rod, the sliding part slides to drive the connecting rod to rotate under the action of the gravity of the upper push rod and the lower push rod, and the connecting rod further drives the seat rod to rotate, so that the front support and the lower push rod are folded and close to two sides of the rear support.

The terms of orientation, left, right, up, down, front, back, etc., as used herein, are defined as the orientation of the child when seated with the stroller in the unfolded state.

The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, but also covers other technical solutions formed by arbitrary combinations of the above technical features or equivalent features. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's shallow, simple structure, member are few, easy operation, and folding convenience, the practicality is strong, receives shallow self gravity influence can accomplish foldingly, folds fast and folding back small.

Drawings

Fig. 1 is a perspective view of a stroller according to an embodiment of the present invention in an unfolded state;

fig. 2 is a side view of the stroller in the folding process according to the embodiment of the present invention;

fig. 3 is a side view of the stroller in a folded state according to the embodiment of the present invention;

FIG. 4 is a cross-sectional view of a locking mechanism in a locked state in accordance with an embodiment of the present invention;

fig. 5 is a cross-sectional view of a locking mechanism in an unlocked state in accordance with an embodiment of the present invention;

wherein: 1. a front bracket; 2. a rear bracket; 3. a lower push rod; 4. a push rod is arranged; 5. a seat post; 6. a connecting rod; 7. a front wheel assembly; 8. a rear wheel assembly; 9. a revolute joint; 10. a slider; 11. a third rotating shaft; 12. a fourth rotating shaft; 13. a fifth rotating shaft; 14. a second rotating shaft; 15. a first rotating shaft; 16. a handle pushing rod; 17. a first cross bar; 18. a second cross bar; 21. a slider; 22. a latch bolt; 23. locking the groove; 24. a first elastic member; 25. a second elastic member; 31. a second traction cable; 51. a connecting member; 52. a first seat post; 53. a second seat post; 54. a third seat post; 61. a first lever; 62. a second lever.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 3, the present invention relates to a stroller, which comprises a stroller frame having an unfolded state and a folded state, a wheel assembly disposed at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state.

The cart frame comprises two lateral supports which are arranged in bilateral symmetry, and each lateral support comprises a front support 1, a rear support 2, a lower push rod 3, an upper push rod 4, a seat rod 5 and a connecting rod 6.

The wheel subassembly includes two front wheel subassemblies 7 and two rear wheel subassemblies 8, and two front wheel subassemblies 7 set up respectively in the bottom of two fore-stock 1, and two rear wheel subassemblies 8 set up respectively in the bottom of two rear brackets 2.

The locking mechanisms are divided into two groups, and each side bracket is provided with one group of locking mechanisms.

Since the side brackets on both sides are symmetrically arranged, the structures of the side brackets on both sides are the same, and the structure of the side bracket on one side is taken as an example for explanation, and the structure of the side bracket on the other side is not described again.

The lower end part of the upper push rod 4 and the upper end part of the lower push rod 3 are rotationally connected through a rotary joint 9 and can realize locking. Wherein, revolute joint 9's structure and revolute joint 9's unlocking structure are not the utility model discloses the key point of protection can realize that the revolute joint 9 that the rotation of push up rod 4 and push down lever 3 is connected and is locked all can, for example the revolute joint 9 that the authorization notice number is disclosed for CN208585297U, revolute joint 9's unblock can adopt the pull rope to drive the unblock slider and rotate, and then drives the locked sliding block and break away from with the locked groove of one side and realize.

The sliding member 10 is slidably disposed on the lower pushing rod 3, and in this embodiment, the sliding member 10 is a sliding sleeve slidably disposed on the lower pushing rod 3.

The connecting rod 6 is respectively and rotatably arranged with the sliding part 10, the rear support 2 and the seat rod 5, so that the linkage of the lower push rod 3, the rear support 2 and the seat rod 5 can be realized under the action of the connecting rod 6. In this embodiment, the seat post 5 includes a seat member, and a connecting member 51 fixedly connected to the seat member and protruding downward. The connecting rod 6 is L-shaped, may be formed by fixedly connecting two rod members, or may be an L-shaped rod member integrally formed, and specifically includes a first rod 61 extending in the up-down direction and a second rod 62 extending in the left-right direction.

The upper end part of the first rod 61 of the connecting rod 6 is rotatably connected with the sliding part 10 through the third rotating shaft 11, the lower part of the first rod 61 of the connecting rod 6 is rotatably connected with the rear bracket 2 through the fourth rotating shaft 12, and the front end part of the second rod 62 of the connecting rod 6 is rotatably connected with the connecting piece 51 through the fifth rotating shaft 13, so that the connecting rod 6 and the seat post 5 are rotatably arranged.

The upper end of the front bracket 1, the upper end of the rear bracket 2 and the lower end of the lower push rod 3 are rotatably connected by a second rotating shaft 14.

The seat member of the seat post 5 includes a first seat post 52 extending in the up-down direction, and a second seat post 53 extending in the front-rear direction; the upper end of the first seat rod 52 is connected to the front end of the second seat rod 53, wherein the first seat rod 52 and the second seat rod 53 may be two rods that are fixedly connected, or may be one rod that is integrally formed.

The lower end of the first seat rod 52 of the seat member is rotatably connected with the front bracket 1 through the first rotating shaft 15 to realize the rotatable connection of the front bracket 1 and the seat rod 5, and the connecting piece 51 of the seat rod 5 is fixedly connected with the second seat rod 53. When the stroller frame is in the unfolded state, the extending direction of the second seat lever 53 intersects the extending direction of the second rod 62 of the link 6, i.e., the second seat lever 53 is not parallel to the second rod 62.

When the stroller frame is in the unfolded state, the fifth rotating shaft 13 is located below the second rotating shaft 14, and the fourth rotating shaft 12 is located behind the fifth rotating shaft 13 and in front of and below the third rotating shaft 11.

The lock mechanism is provided between the slider 10 and the lower push rod 3. As shown in fig. 4 and 5, the locking mechanism includes a slider 21 slidably connected to the lower push rod 3, a locking tongue 22 rotatably connected to the slider 21, a locking groove 23 formed on the slider 10 and capable of being locked by the locking tongue 22, and a returning member for making the locking mechanism have a tendency to move toward the locking position. The reset component comprises a first elastic piece 24 with two end parts respectively abutting against the sliding block 21 and the lower push rod 3, and a second elastic piece 25 with two end parts respectively abutting against the sliding block 21 and the bolt 22. In order to simplify the structure of the cart, the locking mechanism is arranged inside the lower push rod 3, the lower push rod 3 is a rod body which is provided with a cavity and an opening, the slider 21 is arranged in the cavity of the lower push rod 3 in a sliding manner, the slider 21 is provided with a cavity for accommodating the bolt 22, and the slider 21 is also provided with an opening, so that the bolt 22 can be matched and locked with the locking groove 23 on the sliding part 10 through the opening of the slider 21 and the opening of the lower push rod 3 in a locking state; in the unlocked state, the sliding of the slider 21 drives the locking tongue 22 to move relative to the sliding member 10 and the lower push rod 3, so that the locking tongue 22 is disengaged from the locking groove 23 against the elastic force of the second elastic member 25.

In order to provide the stroller with a strong supporting force, the seat member further includes a third seat rod 54 having both ends connected to the rear ends of the second seat rods 53 at both sides, respectively, so that the first seat rod 52 at both sides, the second seat rods 53 at both sides, and the third seat rod 54 form a substantially U-shaped seat rod 5. The cart frame further comprises a push handle rod 16, two end parts of which are respectively connected with the upper ends of the upper push rods 4 on the left side and the right side, a first cross rod 17, two end parts of which are respectively connected with the front supports 1 on the left side and the right side, and a second cross rod 18, two end parts of which are respectively connected with the rear supports 2 on the left side and the right side.

The stroller further comprises an unlocking mechanism capable of driving the rotating joint 9 and the locking mechanism to unlock.

The unlocking mechanism comprises an unlocking piece, a first traction cable and a second traction cable 31, wherein the first traction cable is respectively connected with the unlocking piece and the rotating joint 9 and can drive the rotating joint 9 to unlock, and one end of the second traction cable is connected with the unlocking piece, the upper push rod 4 or the rotating joint 9; the other end of the second traction cable 31 is connected to the slider 21. The upper end of the second traction cable 31 is connected with the unlocking part, the upper push rod 4 or the rotating joint 9, and the second traction cable 31 is driven to move so as to drive the sliding block 21 to slide when the unlocking part can be operated or the upper push rod 4 is rotated forwards, so that the second traction cable 31 can be specifically fixed on the rotating end cover or the unlocking sliding block of the rotating joint 9 according to the scheme that the second traction cable 31 is connected with the rotating joint 9.

The unlocking mechanism can be set into two groups, a group of side brackets used for unlocking the side of the lock are respectively arranged on the side brackets on the two sides, and the unlocking piece of each group can be arranged on the side bracket on the side of the lock. Of course, for the convenience of operation, the unlocking member may be shared, so that when the unlocking member is operated, the rotating joints 9 and the locking mechanism on the left and right sides can be driven to unlock simultaneously, and the unlocking member may be disposed on the push handle bar 16.

Folding principle:

when children's shallow is folded to needs, the operation deblocking piece, make the unblock of revolute joint 9, it draws close to rotate push-up rod 4 and push-down rod 3 folding forward to go up push rod 4, because the action of deblocking piece or the rotation of push-up rod 4, make the locking mechanical system unblock, under the action of gravity of push-up rod 4 and push-down rod 3, slider 10 upwards slides along push-down rod 3, thereby drive connecting rod 6 motion, the motion of connecting rod 6 drives seat pole 5 motion, the motion of seat pole 5 further drives fore-stock 1 and rotates, thereby realize fore-stock 1 and the folding both sides of drawing close after-stock 2, finally realize fore-stock 1 and the folding both sides of drawing close after-stock 3, accomplish and fold.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A stroller comprising a stroller frame having an unfolded state and a folded state, a wheel assembly disposed at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state, wherein: the trolley frame comprises a front support (1), a seat rod (5) rotatably connected with the front support (1), a lower push rod (3), an upper push rod (4) rotatably connected with the upper end of the lower push rod (3) at the lower end, a sliding piece (10) arranged on the lower push rod (3) in a sliding manner, a connecting rod (6) rotatably connected with the sliding piece (10) at the upper end, and a rear support (2) rotatably connected with the connecting rod (6), wherein the seat rod (5) and the connecting rod (6) are rotatably arranged, and the upper end of the front support (1), the upper end of the rear support (2) and the lower end of the lower push rod (3) are rotatably connected.

2. The stroller of claim 1, wherein: the seat rod (5) comprises a seat part and a connecting piece (51), wherein the front end part of the seat part is rotationally connected with the front support (1), the connecting piece (51) is fixedly connected with the seat part and protrudes downwards, and the front end part of the connecting rod (6) is rotationally connected with the connecting piece (51).

3. The stroller of claim 2, wherein: connecting rod (6) be the L type, including first pole (61) that extend along upper and lower direction and second pole (62) that extend along the left right direction, the upper end of first pole (61) with slider (10) rotate mutually and be connected, the lower part of first pole (61) with rear bracket (2) rotate mutually and be connected, the front end of second pole (62) with connecting piece (51) rotate mutually and be connected.

4. The stroller of claim 3, wherein: when the stroller frame is in the unfolded state, the extending direction of the seat member intersects with the extending direction of the second rod (62).

5. The stroller of claim 2, wherein: the seat element comprises first seat rods (52) which are located on two sides and extend in the vertical direction, second seat rods (53) which are located on two sides and extend in the front-back direction, and third seat rods (54) of which two ends are respectively connected with the rear ends of the second seat rods (53) on the two sides, the upper ends of the first seat rods (52) on the two sides are respectively connected with the front ends of the second seat rods (53) on the two sides, the lower ends of the first seat rods (52) are rotatably connected with the front support (1), and the connecting piece (51) is fixedly connected with the second seat rods (53).

6. The stroller of claim 1, wherein: the front support (1) is rotatably connected with the seat rod (5) through a first rotating shaft (15), the front support (1), the rear support (2) and the lower push rod (3) are rotatably connected through a second rotating shaft (14), the connecting rod (6) is rotatably connected with the sliding piece (10) through a third rotating shaft (11), the connecting rod (6) is rotatably connected with the rear support (2) through a fourth rotating shaft (12), and the connecting rod (6) is rotatably connected with the seat rod (5) through a fifth rotating shaft (13); when the cart frame is in an unfolded state, the fifth rotating shaft (13) is positioned below the second rotating shaft (14), and the fourth rotating shaft (12) is positioned behind the fifth rotating shaft (13) and in front of and below the third rotating shaft (11).

7. The stroller of claim 1, wherein: the upper push rod (4) and the lower push rod (3) are rotationally connected through a rotational joint (9), and the locking mechanism is arranged between the sliding piece (10) and the lower push rod (3); the child stroller also comprises an unlocking mechanism which can drive the rotating joint (9) and the locking mechanism to unlock.

8. The stroller of claim 7, wherein: the locking mechanism comprises a sliding block (21) in sliding connection with the lower push rod (3), a bolt (22) in rotating connection with the sliding block (21), a locking groove (23) which is formed in the sliding piece (10) and can be matched and locked with the bolt (22), and a resetting component enabling the locking mechanism to have a trend of moving towards a locking position, wherein the resetting component comprises a first elastic piece (24) and a second elastic piece (25), the two ends of the first elastic piece are respectively abutted to the sliding block (21) and the lower push rod (3), and the two ends of the second elastic piece are respectively abutted to the sliding block (21) and the bolt (22).

9. The stroller of claim 8, wherein: the unlocking mechanism comprises an unlocking piece, a first traction cable and a second traction cable, wherein the first traction cable is respectively connected with the unlocking piece and the rotating joint (9) and can drive the rotating joint (9) to be unlocked, and one end part of the second traction cable (31) is connected with the unlocking piece, the upper push rod (4) or the rotating joint (9); the other end of the second traction cable (31) is connected with the sliding block (21).

10. The stroller of claim 1, wherein: when the stroller frame is folded, the upper push rod (4) is forwardly rotated to be folded and drawn close to the lower push rod (3), the sliding piece (10) slides to drive the connecting rod (6) to rotate under the action of the gravity of the upper push rod (4) and the lower push rod (3), and the connecting rod (6) further drives the seat rod (5) to rotate, so that the front support (1) and the lower push rod (3) are folded and drawn close to two sides of the rear support (2).