CN112009553A

CN112009553A - Children's barrow

Info

Publication number: CN112009553A
Application number: CN202010884147.7A
Authority: CN
Inventors: 高翔; 黄益明
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-12-01

Abstract

The invention discloses a children stroller, which comprises a stroller frame in an unfolded state and a folded state, wherein the stroller frame comprises side brackets which are respectively arranged on the left side and the right side and can be folded, a cross support assembly which can be folded in the left-right direction and is arranged between the two groups of side brackets, a rear bracket which is arranged behind the two groups of side brackets and extends in the up-down direction, and a push rod bracket which extends in the up-down direction and is provided with a handle at the upper part, wherein the rear part of each side bracket is connected with the rear bracket, and the push rod bracket is connected with the rear bracket and can be folded relative to the rear bracket. When the frame of the cart is in a folded state, the side brackets on the two sides are folded respectively and are mutually folded with the rear bracket and the push rod bracket, and the cross support component is folded to fold the two groups of side brackets along the left and right directions. This children's shallow can realize the frame through the structure of many connecting rods combination about, around, folding of all directions from top to bottom for the size after the final folding of frame is minimum, portable and deposit.

Description

Children's barrow

Technical Field

The invention relates to a foldable stroller.

Background

In the existing foldable child stroller, the connection relations of the rod pieces of the stroller frame are different, the folding principles are different, and most of the stroller frames are still large after being folded, so that the stroller is inconvenient to carry and store.

Disclosure of Invention

The invention aims to provide a baby stroller with a small folding back body.

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

a children's cart comprises a cart frame with an unfolding state and a folding state, a front wheel component arranged at the front part of the cart frame, a rear wheel component arranged at the rear part of the cart frame, and a locking mechanism used for locking the cart frame in the unfolding state, wherein the cart frame comprises side brackets which are respectively arranged at the left side and the right side and can be folded respectively, cross support components which are arranged between the two side brackets and can be folded along the left direction and the right direction, a rear bracket which is arranged at the rear part of the two side brackets and can extend along the up-down direction, and a push rod bracket which extends along the up-down direction and is provided with a handle at the upper part, the front wheel component is arranged below the front part of the side brackets, the rear part of each side bracket is connected on the rear bracket, the push rod bracket is connected on the rear bracket and can be folded relative to the rear bracket, when the cart frame is in the folding state, the side brackets on the two sides are folded respectively and are mutually folded with the rear bracket and the push rod bracket, and the cross support component is folded to enable the two groups of side brackets to be folded along the left and right directions.

Preferably, the collateral branch frame includes at least that it is equipped with to extend and the bottom along upper and lower direction the front branch pole of front wheel subassembly, extend along the fore-and-aft direction and the rear portion with the lower part of after-poppet rotates the back connecting rod of connecting, extend along the fore-and-aft direction and the rear portion can reach relative rotation and can follow upper and lower direction relative slip ground with the pull rod that the after-poppet is connected to and connect the front branch pole with the back connecting rod link assembly between the pull rod, when the shallow frame is by the expansion state to fold condition conversion, the rear portion of pull rod with the rear portion of back connecting rod is kept away from each other, makes the front branch pole the link assembly reach the back connecting rod the pull rod draws in each other and with the after-poppet draws close.

Preferably, the connecting rod assembly comprises an upper connecting rod, a lower connecting rod and a swing rod which respectively extend along the front-rear direction, wherein the upper connecting rod is positioned above the lower connecting rod, the front part of the upper connecting rod is rotatably connected with the upper part of the front supporting rod, and the rear part of the upper connecting rod is rotatably connected with the pull rod; the front part of the lower connecting rod is rotatably connected with the front connecting rod, the rear part of the lower connecting rod is rotatably connected with the front part of the swing rod, the rear part of the swing rod is rotatably connected to the rear connecting rod, the front part of the pull rod is rotatably connected to the lower connecting rod, and the front part of the rear connecting rod is rotatably connected to the pull rod.

Preferably, when the stroller frame is in the unfolded state, the upper link is located above the pull rod, the rear link is located below the pull rod, and the rear portion of the upper link and the front portion of the rear link are rotatably connected to the pull rod around the same rotating shaft or are rotatably connected to the pull rod through a rotating shaft respectively.

Preferably, in the unfolded state of the stroller frame, the front strut extends gradually inclining upwards from front to back, the upper link, the lower link and the rear link respectively extend gradually inclining downwards from front to back, and the pull rod and the swing rod extend gradually inclining upwards from front to back.

Preferably, the stull subassembly includes the connector, divides to locate two vaulting poles of the connector left and right sides, a tip of vaulting pole is connected with rotating on the connector with rotating, another tip of vaulting pole is connected with rotating the piece with rotating, it can wind to rotate the axial lead of lower connecting rod is connected with rotating relatively on the lower connecting rod, works as when the shallow frame is by the expansion state to fold condition conversion, the connector forward motion, two the vaulting pole rotates relatively and draws in both sides between the side support.

Preferably, the rear bracket is slidably provided with a sliding part, and the rear parts of the pull rods in the side brackets at two sides are respectively and rotatably connected to the sliding part.

Preferably, the rear bracket has two rear supporting rods arranged in parallel, the sliding part comprises two sliding sleeve portions which are respectively sleeved on the two rear supporting rods and a connecting portion which is connected between the two sliding sleeve portions, and the pull rods on the left side and the right side are respectively and rotatably connected to the sliding sleeve portions on the same side.

Preferably, the stroller further comprises a seat mechanism arranged on the stroller frame, the seat mechanism is provided with a seat and a backrest, the front part of the seat is connected to the upper part of the front supporting rod, and the upper part of the backrest is connected to the push rod frame.

Preferably, the push rod frame is connected with the rear bracket in a manner of relatively sliding along the length extension direction of the rear bracket.

The up-down, left-right, front-back, inside-outside and other directional words related to the invention are defined according to the up-down, left-right, front-back, inside-outside directions of the child when the child sits on the child stroller.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the stroller frame of the stroller can be folded in the left, right, front, back, upper and lower directions through a multi-rod combined structure, so that the size of the final folded stroller frame is extremely small, and the stroller frame is convenient to carry and store.

Drawings

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

fig. 2 is a schematic perspective view of the stroller of embodiment 1 with one side bracket omitted in the unfolded state;

fig. 3 is a schematic perspective view of the stroller of embodiment 1 at another angle in the unfolded state;

fig. 4 is a schematic perspective view of the stroller of embodiment 1 including a seat mechanism in a deployed state;

fig. 5 is a schematic perspective view of the stroller of embodiment 1 during folding;

fig. 6 is a schematic perspective view of the stroller of embodiment 1 in a folded state;

fig. 7 is a schematic perspective view of the stroller of embodiment 2 in a deployed state;

wherein: 1. a cart frame; 11. a side bracket; 111. a front support rod; 112. an upper connecting rod; 113. a pull rod; 114. a lower connecting rod; 115. a swing rod; 116. a rear connecting rod; 12. a cross brace assembly; 121. a connector; 122. a stay bar; 123. a rotating member; 13. a rear bracket; 131. a rear support rod; 14. a push rod frame; 15. a handle; 16. a slider; 161. a sliding sleeve portion; 162. a connecting portion; 162. a connecting portion; 2. a front wheel assembly; 3. a rear wheel assembly; 4. a seat mechanism; 41. a seat; 42. a backrest.

Detailed Description

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

Example 1

The stroller shown in fig. 1 and 6 comprises a stroller frame 1 having an unfolded state and a folded state, a front wheel assembly 2 disposed at the front part of the stroller frame 1, a rear wheel assembly 3 disposed at the rear part of the stroller frame, and a locking mechanism for locking the stroller frame 1 in the unfolded state, wherein the specific structure of the locking mechanism is not the technical essential point to be protected in this patent, and the structure in the prior art can be adopted.

As shown in fig. 1 and 2, the stroller frame 1 includes side brackets 11 respectively disposed on the left and right sides and foldable, a cross brace assembly 12 disposed between the two side brackets 11 and foldable in the left-right direction, a rear bracket 13 disposed behind the two side brackets 11 and extending in the up-down direction, and a push rod bracket 14 extending in the up-down direction and having a handle 15 at an upper portion thereof, and a slider 16 is slidably disposed on the rear bracket 13. The front wheel assembly 2 is arranged below the front part of the side bracket 11, the rear part of the side bracket 11 is connected with the rear bracket 13, and the push rod bracket 14 is connected with the rear bracket 13 in a manner of relatively sliding along the length extending direction of the rear bracket 13.

As shown in fig. 1 and 2, the side bracket 11 includes a front bar 111 extending in the vertical direction and having a bottom portion provided with the front wheel assembly 2, a rear link 116 extending in the front-rear direction and having a rear portion rotatably connected to a lower portion of the rear bracket 13 about an h-axis, a tie bar 113 extending in the front-rear direction and having a rear portion connected to the rear bracket 13 so as to be relatively rotatable and relatively slidable in the vertical direction, and a link assembly connected between the front bar 111, the rear link 116, and the tie bar 113. Wherein the rear portion of the pull rod 113 is rotatably connected to the slider 16 about the i-axis.

As shown in fig. 2, in the present embodiment, specifically, the link assembly includes an upper link 112, a lower link 114 and a swing link 115, which extend in the front-rear direction, wherein the upper link 112 is located above the lower link 114. The front part of the upper connecting rod 112 is rotatably connected with the upper part of the front supporting rod 111 around the b axis, and the rear part of the upper connecting rod 112 is rotatably connected with the pull rod 113 around the c axis; the front part of the lower connecting rod 114 is connected with the front connecting rod 111 in a rotating mode around an a axis, the rear part of the lower connecting rod 114 is connected with the front part of the swing rod 115 in a rotating mode around an e axis, and the rear part of the swing rod 115 is connected with the rear connecting rod 116 in a rotating mode around a g axis; the front portion of the tie bar 113 is pivotally connected to the lower link 114 about the d-axis, and the front portion of the rear link 116 is pivotally connected to the tie bar 113 about the f-axis, which may be coaxial with the c-axis in some other embodiments.

As shown in fig. 2, when the stroller frame 1 is unfolded, the upper link 112 is located above the tie bar 113, and the rear link 116 is located below the tie bar 113; the front support rod 111 gradually extends upwards from front to back, the upper connecting rod 112, the lower connecting rod 114 and the rear connecting rod 116 respectively extend downwards from front to back gradually, and the pull rod 113 and the swing rod 115 extend upwards from front to back gradually; the rotating shaft b is located above the rotating shaft a, the rotating shaft c is located above the rotating shaft d and the rotating shaft f, the rotating shaft f is located above the rotating shaft e, the rotating shaft g is located above the rotating shaft e, the rotating shaft i is located above the rotating shaft h, the rotating shaft b, the rotating shaft c and the rotating shaft i are sequentially arranged in the front-back direction, and the rotating shaft a, the rotating shaft d, the rotating shaft e, the rotating shaft g and the rotating shaft h are sequentially arranged in the front-back direction.

As shown in fig. 3, the wale assembly 12 includes a connection head 121 and two stays 122 respectively disposed at left and right sides of the connection head 121, one end of the stay 122 is rotatably connected to the connection head 121 around a k-axis, the other end is rotatably connected to a rotation member 123 around a j-axis, and the rotation member 123 is relatively rotatably connected to the lower link 114 around an axis m of the lower link 114.

As shown in fig. 4, the stroller in this embodiment further includes a seat mechanism 4 disposed on the stroller frame 1, the seat mechanism 4 is substantially a soft cloth bag, and includes a seat 41 and a backrest 42, a front portion of the seat 41 is connected to an upper portion of the front strut 111, and an upper portion of the backrest 42 is connected to the push rod frame 14.

As shown in fig. 1, 5 and 6, when the stroller frame 1 is converted from the unfolded state to the folded state, the locking mechanism is unlocked, the push rod frame 14 slides downwards along the rear support 13 to be folded, and the height of the stroller frame 1 in the vertical direction is reduced; the sliding piece 16 slides upwards along the rear support 13, so that the rear part of the pull rod 113 and the rear part of the rear connecting rod 116 are away from each other, the front support rod 111, the connecting rod assembly, the rear connecting rod 116 and the pull rod 113 are folded mutually and close to the rear support 13, and the length of the cart frame 1 in the front-rear direction is reduced; in this process, the linkage joint 121 moves forward, the two struts 122 rotate relatively and are folded between the side brackets 11 at the two sides, and the width of the stroller frame 1 in the left-right direction is reduced. As shown in fig. 6, when the stroller frame 1 is in the folded state, the push rod frame 14 is retracted downward into the rear frame 13, the side frames 11 at both sides are folded and folded with the rear frame 13 and the push rod frame 14, the cross support assembly 12 is folded and folds the two sets of side frames 11 in the left-right direction, the entire stroller frame 1 is folded in the up-down direction, the front-back direction, and the left-right direction, and the size after final folding is extremely small.

When the stroller frame 1 is converted from the folded state to the unfolded state, the above steps are operated in reverse, and the stroller frame 1 can be unfolded to a normal stroller size, which is not described herein again.

Example 2

As shown in fig. 7, the present embodiment is different from embodiment 1 mainly in the specific arrangement of the stroller frame 1. In this embodiment, the push rod frame 14 has two parallel rods, the rear frame 13 also has two corresponding parallel rods 131, the sliding member 16 includes two sliding sleeve portions 161 respectively sleeved on the two rods 131, and a connecting portion 162 connected between the two sliding sleeve portions 161, and the pull rods 113 on the left and right sides are respectively connected to the sliding sleeve portions 161 on the same side in a manner of rotating around the i-axis.

As shown in fig. 7, in the present embodiment, the rotating member 123 of the wale assembly 12 is connected to the upper link 112 to be relatively rotatable around the axis n of the upper link 112. In fact, the wale assembly 12 can be mounted on any symmetrical bar member to provide rigid support.

As shown in fig. 7, the stroller frame 1 in this embodiment further includes a step 17, and the step 17 is provided between the left and right front stays 111 and can be folded in the left-right direction.

The folding step of the stroller frame 1 in this embodiment is the same as that in embodiment 1, and is not described herein again.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to 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 within the protection scope of the present invention.

Claims

1. The utility model provides a children's shallow, includes the shallow frame that has expansion state and fold condition, locates anterior front wheel subassembly at the bottom of the shallow frame, locate the rear wheel subassembly at rear portion at the bottom of the shallow frame, and be used for with the locking mechanical system of shallow frame locking under expansion state, its characterized in that: the cart frame is including locating the left and right sides separately and the collateral branch frame that can fold up separately, can fold up along left right direction and set up two sets of including the stull subassembly between the collateral branch frame, set up two sets of collateral branch frame rear and along the after-poppet that extends of upper and lower direction to and extend along upper and lower direction and the push rod frame that upper portion was equipped with the handle, wherein, the front wheel subassembly is located the anterior below of collateral branch frame, the rear portion of collateral branch frame is connected on the after-poppet, the push rod frame is connected on the after-poppet and can be relative the after-poppet sets up with folding up, works as when the cart frame is in fold condition, both sides the collateral branch frame fold up separately and with the after-poppet the push rod frame draws in each other, the stull subassembly is folded up and is made two sets of collateral branch frame draws in along left right direction.

2. The stroller of claim 1, wherein: the collateral branch frame is equipped with including extending and the bottom along upper and lower direction at least the front branch pole of front wheel subassembly, extend and the rear portion along the fore-and-aft direction with the lower part of after-poppet rotates the back connecting rod of connecting, extend and the rear portion can reach relative rotation along the fore-and-aft direction and can follow upper and lower direction relative slip ground with the pull rod that the after-poppet is connected, and connect the front branch pole with the back connecting rod link assembly between the pull rod, work as when the shallow frame is by the expansion state to fold condition conversion, the rear portion of pull rod with the rear portion of back connecting rod is kept away from each other, makes the front branch pole link assembly reach the back connecting rod the pull rod draw in each other and with the after-poppet draws close.

3. The stroller of claim 2, wherein: the connecting rod assembly comprises an upper connecting rod, a lower connecting rod and a swing rod which extend along the front-rear direction, wherein the upper connecting rod is positioned above the lower connecting rod, the front part of the upper connecting rod is rotatably connected with the upper part of the front supporting rod, and the rear part of the upper connecting rod is rotatably connected to the pull rod; the front part of the lower connecting rod is rotatably connected with the front connecting rod, the rear part of the lower connecting rod is rotatably connected with the front part of the swing rod, the rear part of the swing rod is rotatably connected to the rear connecting rod, the front part of the pull rod is rotatably connected to the lower connecting rod, and the front part of the rear connecting rod is rotatably connected to the pull rod.

4. The stroller of claim 3, wherein: the stroller frame is in an unfolded state, the upper connecting rod is located above the pull rod, the rear connecting rod is located below the pull rod, and the rear portion of the upper connecting rod and the front portion of the rear connecting rod are connected to the pull rod in a rotating mode around the same rotating shaft or are respectively connected to the pull rod in a rotating mode through a rotating shaft.

5. The stroller of claim 3, wherein: when the stroller frame is in a unfolded state, the front support rod gradually extends upwards from front to back, the upper connecting rod, the lower connecting rod and the rear connecting rod respectively extend downwards from front to back gradually, and the pull rod and the swing rod gradually extend upwards from front to back gradually.

6. The stroller of claim 3, wherein: the stull subassembly includes the connector, divides to locate two vaulting poles of the connector left and right sides, a tip of vaulting pole is connected with rotating on the connector, another tip of vaulting pole is connected with rotating rotatoryly, it can wind to rotate the axial lead of lower connecting rod is connected with rotating relatively on the lower connecting rod, works as when the shallow frame is by the expansion state to fold condition conversion, the connector forward motion, two the vaulting pole rotates relatively and draws in both sides between the collateral branch frame.

7. The stroller of claim 2, wherein: the rear support is provided with a sliding part in a sliding manner, and the rear parts of the pull rods in the side supports on the two sides are respectively and rotatably connected to the sliding part.

8. The stroller of claim 7, wherein: the rear support is provided with two rear supporting rods which are arranged in parallel, the sliding piece is sleeved on the two sliding sleeve portions on the rear supporting rods respectively, the sliding piece is connected to the connecting portion between the sliding sleeve portions, and the pull rods on the left side and the right side are connected to the sliding sleeve portions on the same side respectively in a rotating mode.

9. The stroller of claim 2, wherein: the baby stroller is characterized in that the baby stroller further comprises a seat mechanism arranged on the stroller frame, the seat mechanism is provided with a seat and a backrest, the front part of the seat is connected to the upper part of the front supporting rod, and the upper part of the backrest is connected to the push rod frame.

10. Child stroller according to any of claims 1 to 9, characterized in that: the push rod frame can be connected with the rear support in a relatively sliding mode along the length extending direction of the rear support.