CN216861567U - Children's barrow - Google Patents

Abstract

The utility model discloses a child stroller, which comprises a stroller frame, a seat pocket frame, a front wheel assembly, a rear wheel assembly and a locking mechanism, wherein the stroller frame comprises two groups of side supports arranged on the left side and the right side respectively, each side support comprises a front supporting rod, a rear supporting rod, an upper supporting rod and a push rod, each side support also comprises a connecting rod assembly, the seat pocket frame is arranged on the upper supporting rod, the seat pocket frame is positioned between the two groups of side supports along the left-right direction, the seat pocket frame is in an opening state and a folding state, and the seat pocket frame is kept in the opening state or in the folding state in the process of converting the stroller frame between the unfolding state and the folding state. This shallow frame of children's shallow is folding or when expanding, can realize through link assembly that the linkage between preceding branch, back branch, last branch and the push rod is folded up, fold up and expand the operation simple and direct, and no matter the shallow frame is in and expands or fold condition, the seat pocket frame homoenergetic is opened or is packed up, makes the user have more operation choices.

Description

Children's barrow

Technical Field

The utility model relates to a baby stroller.

Background

The baby stroller is a product which is commonly used by children and families, and in addition, the baby stroller on the market generally has a folding function for the convenience of carrying. However, in the prior art, the stroller includes a foldable frame and a foldable seat pocket frame disposed on the frame, when the stroller is folded, a specific folding sequence is generally required, otherwise, the folding of the entire stroller cannot be completed, for example, when the stroller is folded, the seat pocket frame needs to be folded first, and then the frame is folded, so that the folding method is single, and the flexibility is poor; in addition, the seat pocket frame can be opened only after the frame is unfolded, and different use requirements of users cannot be met.

Disclosure of Invention

It is an object of the present invention to provide a stroller that solves one or more problems of the prior art.

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

a children's cart comprises a cart frame with an unfolded state and a folded state, a foldable seat pocket frame arranged on the cart frame, a front wheel assembly and a rear wheel assembly arranged at the bottom of the cart frame, and a locking mechanism used for locking the cart frame in the unfolded state, wherein the cart frame comprises two groups of side brackets respectively arranged at the left side and the right side, each side bracket comprises a front supporting rod, a rear supporting rod, an upper supporting rod and a push rod which respectively extend obliquely along the vertical direction in the unfolded state, the upper part of the front supporting rod, the upper part of the rear supporting rod and the lower part of the upper supporting rod are rotationally connected, the third part is rotationally connected with one of the front supporting rod, the rear supporting rod and the upper part of the upper supporting rod, or the upper part of the front supporting rod, the upper part of the rear supporting rod and the lower part of the upper supporting rod are rotationally connected around the same rotation center line, the lower part of the push rod is rotationally connected with the upper part of the upper support rod,

every side the collateral branch frame still includes link assembly, link assembly connects preceding branch back branch reaches between the push rod, just the shallow frame is in under the expansion state link assembly is located preceding branch reaches the rear side of last branch, the shallow frame is under fold state, preceding branch back branch go up branch and the push rod is followed the range upon range of drawing in of fore-and-aft direction, the seat pocket frame is installed on going up branch, the seat pocket frame is located two sets ofly along left right direction between the collateral branch frame, the seat pocket frame has the open mode and is packed up the state, the shallow frame is in the in-process of conversion between expansion state and fold state, the seat pocket frame keeps open mode or keeps pack up under the state.

Preferably, every side all be provided with the mount pad on the last branch fixedly, the mount pad set up in the lower part of last branch, the left and right sides portion of seat pocket frame all is equipped with the joint seat, both sides the joint seat can be separately with both sides mount pad detachably cooperation is connected, the seat pocket frame is in have the forward installation state of face the place ahead and face the reverse installation state in rear on the shallow frame.

Preferably, the stroller frame further comprises an upper cross bar fixedly disposed between the upper portions of the push rods at both sides, a front cross bar fixedly disposed between the lower portions of the front support bars at both sides, and a rear cross bar fixedly disposed between the lower portions of the rear support bars at both sides, the seat pocket frame comprises a seat extending in a front-rear direction and a backrest extending in an up-down direction in an open state, a rear portion of the seat is rotatably connected with a lower portion of the backrest around a rotation center line,

when the stroller frame is in an unfolded state, the distance between the upper cross rod and the rotating center line is larger than the height of the backrest along the vertical direction, and the distance between the front cross rod and the rotating center line and the distance between the rear cross rod and the rotating center line are larger than the length of the seat along the front-rear direction.

Further, the seat pocket frame further comprises a foot rest with the upper portion rotatably connected to the front portion of the seat, the stroller frame is in an unfolded state, the seat pocket frame is in an opened state, and the lower portion of the foot rest is higher than the front cross rod and the rear cross rod.

Further, the seat pocket frame is in a forward installation state, the stroller frame is in a folded state, the seat pocket frame is in a retracted state, and the backrest is folded at the front side of the front cross rod; the seat pocket frame is in a reverse installation state, the stroller frame is in a folded state, the seat pocket frame is in a retracted state, and the upper cross rod is furled at the rear side of the backrest.

Preferably, when the stroller frame is in the unfolded state, a switching space for switching the seat bag frame between the opened state and the retracted state can be formed between the side brackets on both sides.

Preferably, the seat frame includes a seat, a backrest and a footrest, the backrest is rotatably connected to one end of the seat, the footrest is rotatably connected to the other end of the seat, the seat extends in the front-rear direction when the stroller frame is in the folded state and the seat frame is in the unfolded state, and the footrest extends in the up-down direction to form a handle that can be lifted.

Further, the seat pocket frame still includes the joint seat of locating the left and right sides separately, every side go up all set firmly the mount pad on the branch, both sides the mount pad is in mutually supporting with both sides the joint seat is installed, the back the seat respectively with the joint seat is connected with relatively rotating.

Preferably, on the side brackets of each side, the upper part of the front strut is rotatably connected with the upper part of the rear strut around a first shaft, the lower part of the upper strut is rotatably connected with the upper part of the rear strut around a second shaft, and the shaft axis of the first shaft and the shaft axis of the second shaft extend in parallel or in line.

Preferably, the link assembly of each side includes a first link extending in an up-and-down direction and a second link extending in a front-and-rear direction, the first link being rotatably connected to the rear strut, an upper portion of the first link being rotatably connected to the push rod, a lower portion of the first link being rotatably connected to a rear portion of the second link, a front portion of the second link being rotatably connected to the front strut.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: according to the child stroller disclosed by the utility model, the linkage among the front support rod, the rear support rod, the upper support rod and the push rod can be realized through the connecting rod assembly, the folding and unfolding operations are simple and convenient, and the seat pocket frame can be opened or folded no matter the frame of the stroller is in the unfolding or folding state, so that a user has more operation options.

Drawings

FIG. 1 is a schematic perspective view of the stroller of the present invention when fully deployed;

FIG. 2 is a side view of the stroller of FIG. 1;

FIG. 3 is a schematic perspective view of the stroller of the present invention in a semi-folded state;

FIG. 4 is a side view of the stroller of FIG. 3;

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

fig. 6 is a side view of the stroller of fig. 5;

fig. 7 is a schematic perspective view of the stroller of the present invention, in which the frame of the stroller is in a fully folded state and the seat pocket frame is in an unfolded state;

fig. 8 is a side view of the stroller of fig. 7;

FIG. 9 is a schematic perspective view of the stroller of the present invention in a fully unfolded state, wherein the seat frame is mounted in a reverse orientation;

fig. 10 is a side view of the stroller of fig. 9;

fig. 11 is a schematic perspective view of the stroller of the present invention in a semi-folded state, in which the seat pocket frame is in a reverse installation state;

FIG. 12 is a side view of the stroller of FIG. 11;

FIG. 13 is a schematic perspective view of the stroller of the present invention in a fully folded position, wherein the seat pocket frame is in a reverse orientation;

fig. 14 is a side view of the stroller of fig. 13;

wherein: 1. a cart frame; 11. a side bracket; 111. a front support rod; 112. a rear support rod; 113. an upper support rod; 1131. a mounting seat; 114. a push rod; 115. a connecting rod assembly; 1151. a first link; 1152. a second link; 12. an upper cross bar; 13. a front cross bar; 14. a rear cross bar;

2. a seat pocket frame; 21. a joint base; 22. a seat; 23. a backrest; 24. a foot rest;

3. a front wheel assembly;

4. a rear wheel assembly.

Detailed Description

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

Referring to the drawings, a stroller shown in the figures comprises a stroller frame 1 having an unfolded state and a folded state, a foldable seat pocket 2 disposed on the stroller frame 1, a front wheel assembly 3 and a rear wheel assembly 4 disposed at the bottom of the stroller frame 1, and a locking mechanism (not shown in the drawings) for locking the stroller frame 1 in the unfolded state, wherein a switching space for switching the seat pocket 2 between the unfolded state and the folded state is formed between side brackets 11 at both sides when the stroller frame 1 is in the unfolded state. The stroller frame 1 includes two sets of side supports 11 respectively disposed at left and right sides, each side support 11 includes a front support 111, a rear support 112, an upper support 113, and a push rod 114, which extend obliquely in an up-down direction in an unfolded state, two of an upper portion of the front support 111, an upper portion of the rear support 112, and a lower portion of the upper support 113 are rotatably connected to one of the two, or the upper portion of the front support 111, the upper portion of the rear support 112, and the lower portion of the upper support 113 are rotatably connected around a same rotation center line, and the lower portion of the push rod 114 is rotatably connected to the upper portion of the upper support 113. In this embodiment, in the side frame 11 on each side, the upper portion of the front support rod 111 is rotatably connected to the upper portion of the rear support rod 112 about a first axis, the lower portion of the upper support rod 113 is rotatably connected to the upper portion of the rear support rod 112 about a second axis, and the axis of the first axis and the axis of the second axis extend parallel or collinear to each other.

Referring to fig. 1 to 6, each side bracket 11 further includes a link assembly 115, the link assembly 115 is connected between the front support rod 111, the rear support rod 112 and the push rod 114, the stroller frame 1 is in the unfolded state, the link assembly 115 is located at the rear side of the front support rod 111 and the upper support rod 113, the stroller frame 1 is in the folded state, the front support rod 111, the rear support rod 112, the upper support rod 113 and the push rod 114 are folded in a front-rear direction, the seat pocket frame 2 is mounted on the upper support rod 113, the seat pocket frame 2 is located between two side brackets 11 in the left-right direction, the seat pocket frame 2 has an unfolded state and a folded state, and the seat pocket frame 2 is maintained in the unfolded state or the folded state during the transition of the stroller frame 1 between the unfolded state and the folded state.

In this embodiment, the upper support rod 113 on each side is fixedly provided with the mounting seat 1131, the mounting seat 1131 is disposed at the lower portion of the upper support rod 113, the left and right side portions of the seat pocket frame 2 are provided with the joint seats 21, and the joint seats 21 on both sides can be respectively detachably connected with the mounting seats 1131 on both sides in a matching manner. Referring to fig. 1 and 9, in the present embodiment, the seat pocket frame 2 has a forward mounting state facing forward and a reverse mounting state facing rearward on the stroller frame 1. The seat pocket 2 further includes a seat 22 extending in the front-rear direction in the open state, a backrest 23 extending in the up-down direction in the open state, and a foot rest 24. Wherein, the backrest 23 and the seat 22 are respectively connected with the joint seat 21 in a relatively rotating way, the lower part of the backrest 23 is connected with one end part of the seat 22 in a rotating way around a rotating central line, and the foot rest 24 is connected with the other end part of the seat 22 in a rotating way, so that the backrest 23 and the foot rest 24 can be folded in a rotating way relative to the seat 22, and the seat pocket frame 2 can be folded when the seat pocket frame 2 is in a forward installation state and a reverse installation state; moreover, when the stroller frame 1 is folded and the seat pocket frame 2 is unfolded, the seat 22 extends in the front-rear direction, and the foot rest 24 extends in the up-down direction to form a carrying handle (see fig. 7 and 8 for details) for carrying, which is convenient for the user.

Referring to fig. 1, 3 and 5, each side link assembly 115 includes a first link 1151 extending in an up-and-down direction and a second link 1152 extending in a front-and-rear direction, the first link 1151 being rotatably coupled to the rear strut 112, an upper portion of the first link 1151 being rotatably coupled to the push rod 114, a lower portion of the first link 1151 being rotatably coupled to a rear portion of the second link 1152, and a front portion of the second link 1152 being rotatably coupled to the front strut 111. When the stroller frame 1 is folded, the push rod 114 is rotated, and the front support rod 111, the rear support rod 112, the upper support rod 113, the first link 1151 and the second link 1152 can be linked, so that the stroller frame can be folded by a user.

In this embodiment, the stroller frame 1 further includes an upper cross bar 12 fixedly disposed between the upper portions of the push rods 114 at two sides, a front cross bar 13 fixedly disposed between the lower portions of the front support bars 111 at two sides, and a rear cross bar 14 fixedly disposed between the lower portions of the rear support bars 112 at two sides, and the upper cross bar 12, the front cross bar 13, and the rear cross bar 14 can enhance the strength of the stroller frame 1, thereby ensuring the stability of the entire stroller frame 1. Meanwhile, when the stroller frame 1 is in the unfolded state, the distance between the upper cross rod 12 and the rotation center line is greater than the height of the backrest 23 along the up-down direction, so that the upper cross rod 12 cannot interfere with the backrest 23 when a user operates the backrest 23; the distance between the front cross bar 13 and the rotating center line and the distance between the rear cross bar 14 and the rotating center line are both larger than the length of the seat 22 along the front-back direction, so that the front cross bar 13 and the rear cross bar 14 can not interfere with the seat 22 when the seat 22 rotates; when the stroller frame 1 is in the unfolded state and the seat bag frame 2 is in the opened state, the lower portion of the foot rest 24 is higher than the front cross bar 13 and the rear cross bar 14, so that the foot rest 24 does not collide with the front cross bar 13 or the rear cross bar 14 when the foot rest 24 rotates relative to the seat 22.

In this embodiment, the stroller further includes an unlocking operation member 5 for unlocking the locking mechanism, and the unlocking operation member 5 is disposed on the upper cross bar 12.

Referring to fig. 1 to 6 and 9 to 14, the folding and unfolding principle of the stroller of the embodiment is described in detail as follows:

the folding and unfolding method of the seat pocket frame 2 comprises the following steps: the backrest 23 is rotated and folded towards the sitting surface of the seat 22 until the backrest 23 is folded on the seat 22; when the seat pocket 2 needs to be opened, the backrest 23 is simply rotated to be opened with respect to the seat 22. It should be noted that the user may detach the seat pocket 2 from the stroller frame 1 and then open or close the seat pocket, or may open and close the seat pocket 2 while the seat pocket 2 and the stroller frame 1 are directly connected.

Unfolding and folding of the stroller frame 1: when the stroller frame 1 is in the unfolded state and a user needs to fold the stroller frame 1, the locking structure is unlocked through the unlocking operation piece 5, the push rod 114 is rotated upwards, the front support rod 111, the rear support rod 112, the upper support rod 113, the first connection rod 1151 and the second connection rod 1152 are linked and folded, and the front support rod 111, the rear support rod 112, the upper support rod 113 and the push rod are sequentially folded from front to back in a stacking manner; when the stroller frame needs to be unfolded again, the push rod 114 is pulled, and the front connecting rod 111, the rear connecting rod 112, the upper connecting rod 113, the first connecting rod 1151 and the second connecting rod 1152 are linked and unfolded.

It should be noted that, no matter the stroller frame 1 is in the unfolded state or the folded state, the user can switch the installation state of the seat pocket frame 2, and also can open and retract the seat pocket frame 2, specifically: make joint seat 21 on the seat pocket frame 2 and the mount pad 1131 on the upper strut 113 break away from the cooperation, turn through 180 with seat pocket frame 2, on being connected to the mount pad 1131 on the upper strut 113 with joint seat 21 on the seat pocket frame 2 cooperation again, can realize the switching of the mounted state of seat pocket frame 2. Meanwhile, when the seat pocket frame 2 is in a forward installation state, the stroller frame 1 is in a folded state, and the seat pocket frame 2 is in a retracted state, the backrest 23 is retracted in front of the front cross bar 13; the seat pocket frame 2 is in a reverse installation state, the stroller frame 1 is in a folded state and the seat pocket frame 2 is in a retracted state, and the upper cross bar 12 is retracted at the rear side of the backrest 23.

In summary, when the stroller frame 1 of the stroller of the present embodiment is folded or unfolded, the linkage assembly 115 can realize the linkage folding among the front support rod 111, the rear support rod 112, the upper support rod 113 and the push rod 114, and the operation is simple and fast; meanwhile, no matter the stroller frame 1 is in an unfolded or folded state, the seat pocket frame 2 can be opened or folded, the forward installation state and the reverse installation state can be switched, and the switching operation is simple.

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 in the protection scope of the present invention.

Claims (10)

1. The utility model provides a children's shallow, is in including the shallow frame that has expansion state and fold condition, setting folding seat pocket frame on the shallow frame, locate the front wheel subassembly and the rear wheel subassembly of shallow frame bottom, and be used for with the locking mechanical system of shallow frame locking under expansion state, its characterized in that: the cart frame comprises two groups of side supports which are respectively arranged at the left side and the right side, each side support comprises a front supporting rod, a rear supporting rod, an upper supporting rod and a push rod which respectively extend obliquely along the vertical direction under the unfolded state, the upper part of the front supporting rod, the upper part of the rear supporting rod and the lower part of the upper supporting rod are rotationally connected, the third part is rotationally connected to one of the front supporting rod, the rear supporting rod and the upper part of the upper supporting rod, or the upper part of the front supporting rod, the upper part of the rear supporting rod and the lower part of the upper supporting rod are rotationally connected around the same rotation central line, the lower part of the push rod is rotationally connected with the upper part of the upper supporting rod,

every side the collateral branch frame still includes link assembly, link assembly connects preceding branch back branch reaches between the push rod, just the shallow frame is in under the expansion state link assembly is located preceding branch reaches the rear side of last branch, the shallow frame is under fold state, preceding branch back branch go up branch and the push rod is followed the range upon range of drawing in of fore-and-aft direction, the seat pocket frame is installed on going up branch, the seat pocket frame is located two sets ofly along left right direction between the collateral branch frame, the seat pocket frame has the open mode and is packed up the state, the shallow frame is in the in-process of conversion between expansion state and fold state, the seat pocket frame keeps open mode or keeps pack up under the state.

2. The stroller of claim 1, wherein: every side go up all be provided with the mount pad on the branch fixedly, the mount pad set up in go up the lower part of branch, the left and right sides portion of seat pocket frame all is equipped with the joint seat, both sides the joint seat can be separately with both sides mount pad detachably cooperation is connected, the seat pocket frame is in have the forward installation state of face the place ahead and face the reverse installation state in rear on the shallow frame.

3. The stroller of claim 2, wherein: the stroller frame further comprises an upper cross bar fixedly arranged between the upper parts of the push rods on the two sides, a front cross bar fixedly arranged between the lower parts of the front cross bars on the two sides, and a rear cross bar fixedly arranged between the lower parts of the rear cross bars on the two sides, the seat pocket frame comprises a seat extending along the front-rear direction and a backrest extending along the up-down direction under an open state, the rear part of the seat is rotationally connected with the lower part of the backrest around a rotation center line,

when the stroller frame is in an unfolded state, the distance between the upper cross rod and the rotating center line is larger than the height of the backrest along the vertical direction, and the distance between the front cross rod and the rotating center line and the distance between the rear cross rod and the rotating center line are larger than the length of the seat along the front-rear direction.

4. The stroller of claim 3, wherein: the seat pocket frame further comprises a foot rest, the upper portion of the foot rest is rotatably connected to the front portion of the seat, the stroller frame is in an unfolded state, the seat pocket frame is in an opened state, and the lower portion of the foot rest is higher than the front cross rod and the rear cross rod.

5. The stroller of claim 3, wherein: the seat pocket frame is in a forward installation state, the stroller frame is in a folded state, the seat pocket frame is in a retracted state, and the backrest is folded at the front side of the front cross rod; the seat pocket frame is in a reverse installation state, the stroller frame is in a folded state, the seat pocket frame is in a retracted state, and the upper cross rod is furled at the rear side of the backrest.

6. The stroller of claim 1, wherein: when the cart frame is in the unfolded state, a switching space for switching the seat pocket frame between the opening state and the folding state can be formed between the side brackets on the two sides.

7. The stroller of claim 1, wherein: the seat pocket frame comprises a seat, a backrest and a foot rest, the backrest is rotatably connected to one end of the seat, the foot rest is rotatably connected to the other end of the seat, when the stroller frame is in a folded state and the seat pocket frame is in an unfolded state, the seat extends in the front-back direction, and the foot rest extends in the up-down direction to form a handle which can be lifted.

8. The stroller of claim 7, wherein: the seat pocket frame is still including dividing the joint seat of locating the left and right sides, every side go up all set firmly the mount pad on the branch, both sides the mount pad is with both sides the joint seat is installed mutually supporting, the back the seat respectively with the joint seat is connected with relatively turning.

9. The stroller of claim 1, wherein: on the side support of each side, the upper portion of front branch is connected with the upper portion of back branch ground around the first axle with the upper portion of back branch ground is rotated, the lower part of upper strut is connected with the upper portion of back branch ground around the second axle with the upper portion of back branch ground is rotated, the axial lead of first axle with the axial lead of second axle is parallel to each other or collinearly extends.

10. Child stroller according to any of claims 1 to 9, characterized in that: the connecting rod assemblies on each side respectively comprise a first connecting rod extending along the up-down direction and a second connecting rod extending along the front-back direction, the first connecting rod is rotatably connected to the rear supporting rod, the upper portion of the first connecting rod is rotatably connected to the push rod, the lower portion of the first connecting rod is rotatably connected to the rear portion of the second connecting rod, and the front portion of the second connecting rod is rotatably connected to the front supporting rod.

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