CN216861567U - stroller - Google Patents

Abstract

The utility model discloses a children's stroller, comprising a stroller frame, a seat pocket frame, a front wheel assembly, a rear wheel assembly, and a locking mechanism. The side brackets on each side include a front support rod, a rear support rod, an upper support rod and a push rod. The side support on each side also includes a connecting rod assembly. The seat bag bracket is installed on the upper support rod. Between the group side brackets, the seat pocket bracket has an open state and a retracted state, and the seat pocket bracket is kept in the open state or in the retracted state during the transition of the cart frame between the unfolded state and the folded state. When the stroller frame of the children's stroller is folded or unfolded, the linkage between the front support rod, the rear support rod, the upper support rod and the push rod can be realized through the connecting rod assembly, and the folding and unfolding operations are simple and convenient. And no matter whether the cart frame is in the unfolded or folded state, the seat pocket frame can be opened or retracted, so that the user has more operation options.

Description

stroller

technical field

The utility model relates to a children's stroller.

Background technique

Strollers are a standing item for families with children, and in order to facilitate portability, strollers on the market generally have a folding function. However, in the prior art, the stroller includes a foldable frame and a foldable seat pocket frame arranged on the frame. When the stroller is folded, it generally needs to be folded in a specific order, otherwise it cannot be folded. Complete the folding of the entire stroller. For example, when folding, you need to fold the seat bag frame first, and then fold the frame. The folding method is simple and the flexibility is poor; in addition, it is also necessary to fold the frame first. After being unfolded, the seat pocket frame can be opened, which cannot meet the different usage needs of users.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a stroller for children to solve one or more problems in the prior art.

In order to achieve the above object, the technical scheme adopted by the present utility model is:

A children's stroller, comprising a stroller frame with an unfolded state and a folded state, a foldable seat pocket frame arranged on the stroller frame, a front wheel assembly arranged at the bottom of the stroller frame, and A rear wheel assembly, and a locking mechanism for locking the cart frame in the unfolded state, the cart frame including two sets of side brackets on the left and right sides, the side brackets on each side including The front strut, the rear strut, the upper strut and the push rod respectively extend obliquely in the up-down direction in the unfolded state. The upper portion of the front strut, the upper portion of the rear strut, and the lower portion of the upper strut are Two of the three are rotationally connected and the third is rotationally connected to one of the aforementioned two, or the upper portion of the front strut, the upper portion of the rear strut, and the lower portion of the upper strut The three are rotatably connected around the same rotation center line, and the lower part of the push rod is rotatably connected with the upper part of the upper support rod,

The side brackets on each side further include a link assembly connected between the front strut, the rear strut and the push rod, and the cart frame is in a deployed state The connecting rod assembly is located on the rear side of the front support rod and the upper support rod, the cart frame is in a folded state, the front support rod, the rear support rod, the upper support rod and the The push rods are stacked and folded in the front-rear direction, the seat pocket brackets are mounted on the upper support rods, the seat pocket brackets are located between the two sets of side brackets in the left-right direction, and the seat pocket brackets are in an open state As with the stowed state, during the transition of the cart frame between the unfolded state and the folded state, the seat pocket frame remains in the open state or in the stowed state.

Preferably, each side of the upper support rod is fixedly provided with a mounting seat, the mounting seat is arranged at the lower part of the upper support rod, the left and right side parts of the seat pocket frame are provided with joint seats, and the two The joint seat on the side can be detachably connected with the mounting seat on both sides respectively, and the seat pocket frame has a forward mounting state facing forward and a reverse facing rearward on the cart frame. to the installation state.

Preferably, the cart frame further comprises an upper cross bar fixedly arranged between the upper parts of the push rods on both sides, a front cross bar fixedly arranged between the lower parts of the front struts on both sides, and a The rear cross bar between the lower parts of the rear struts on both sides, the seat pocket frame includes a seat extending in the front-rear direction and a backrest extending in the up-down direction in an open state, the rear part of the seat and the backrest The lower part is connected in rotation about the center line of rotation,

When the cart frame is in the unfolded state, the distance between the upper cross bar and the rotation center line is greater than the height of the backrest along the up-down direction, and the distance between the front cross bar and the rotation center line is greater than that of the backrest. The distance and the distance between the rear cross bar and the rotation center line are all greater than the length of the seat in the front-rear direction.

Further, the seat pocket frame further includes a step frame whose upper part is rotatably connected to the front part of the seat, and when the cart frame is in an unfolded state and the seat bag frame is in an open state, the step frame The lower part of the frame is higher than the front cross bar and the rear cross bar.

Further, when the seat pocket frame is in a forward installation state, the cart frame is in a folded state, and the seat pocket frame is in a retracted state, the backrest is folded on the front side of the front crossbar; When the seat pocket frame is in a reversely installed state, the cart frame is in a folded state, and the seat pocket frame is in a retracted state, the upper cross bar is folded on the rear side of the backrest.

Preferably, when the stroller frame is in the unfolded state, a transition space for the seat pocket frame to be switched between the unfolded state and the retracted state can be formed between the side brackets on both sides.

Preferably, the seat pocket frame includes a seat, a backrest and a step frame, the backrest is rotatably connected to one end of the seat, and the step frame is rotatably connected to the other end of the seat, when all the When the cart frame is in a folded state and the seat pocket frame is in an open state, the seat extends in the front-rear direction, and the footrest extends in the up-down direction to form a handle that can be lifted and pulled.

Further, the seat bag rack also includes joint seats arranged on the left and right sides respectively, a mounting seat is fixed on the upper support rod on each side, and the mounting seats on both sides are mutually connected with the joint seats on both sides. Fittedly installed, the backrest and the seat are respectively connected with the joint seat in a relatively rotatable manner.

Preferably, on the side brackets on each side, the upper part of the front support rod is rotatably connected to the upper part of the rear support rod around a first axis, and the lower part of the upper support rod is connected to the rear support rod around a second axis. The upper parts of the struts are rotatably connected, and the axis line of the first shaft and the axis line of the second shaft extend parallel to or co-linear with each other.

Preferably, the connecting rod assembly on each side includes a first connecting rod extending in the up-down direction and a second connecting rod extending in the front-rear direction, and the first connecting rod is rotatably connected to the rear support rod, The upper part of the first link is rotatably connected to the push rod, the lower part of the first link is rotatably connected to the rear part of the second link, and the front part of the second link rotates connected to the front strut.

Due to the application of the above-mentioned technical solutions, the present utility model has the following advantages compared with the prior art. The folding and unfolding operations are simple and easy, and the seat pocket frame can be opened or folded regardless of whether the cart frame is in the unfolded or folded state, so that the user has more operation options.

Description of drawings

Accompanying drawing 1 is the three-dimensional structure schematic diagram when the stroller of the utility model is fully unfolded;

Accompanying drawing 2 is the side view of the stroller in accompanying drawing 1;

3 is a schematic three-dimensional structure diagram of the stroller of the present invention when it is in a semi-folded state;

Accompanying drawing 4 is the side view of the stroller in accompanying drawing 3;

5 is a schematic three-dimensional structure diagram of the stroller of the present invention when it is in a fully folded state;

Accompanying drawing 6 is the side view of the stroller in accompanying drawing 5;

7 is a schematic three-dimensional structure diagram of the stroller of the present invention, wherein the stroller frame is in a fully folded state, and the seat pocket frame is in an open state;

Figure 8 is a side view of the stroller in Figure 7;

9 is a schematic three-dimensional structure diagram of the stroller of the present invention when it is in a fully deployed state, wherein the seat pocket frame is in a reversely installed state;

Figure 10 is a side view of the stroller in Figure 9;

11 is a schematic three-dimensional structure diagram of the stroller of the present invention when it is in a semi-folded state, wherein the seat pocket frame is in a reversely installed state;

Figure 12 is a side view of the stroller in Figure 11;

Figure 13 is a schematic three-dimensional structure diagram of the stroller of the present invention when it is in a fully folded state, wherein the seat pocket frame is in a reversely installed state;

Figure 14 is a side view of the stroller in Figure 13;

Among them: 1, cart frame; 11, side bracket; 111, front support rod; 112, rear support rod; 113, upper support rod; 1131, mounting seat; 114, push rod; 115, connecting rod assembly; 1151, The first link; 1152, the second link; 12, the upper cross bar; 13, the front cross bar; 14, the rear cross bar;

2. Seat pocket rack; 21. Joint seat; 22. Seat; 23. Backrest; 24. Step stand;

3. Front wheel assembly;

4. Rear wheel assembly.

Detailed ways

The technical solutions of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

Referring to a child stroller shown in the accompanying drawings, it includes a stroller frame 1 having an unfolded state and a folded state, a foldable seat pocket frame 2 arranged on the stroller frame 1, and a stroller frame arranged on the stroller frame 1. 1 The front wheel assembly 3 and the rear wheel assembly 4 at the bottom, as well as the locking mechanism (not shown in the figure) for locking the cart frame 1 in the unfolded state, when the cart frame 1 is in the unfolded state, the two A switching space for switching between the open state and the retracted state of the seat pocket frame 2 can be formed between the side brackets 11 . The cart frame 1 includes two sets of side brackets 11 arranged on the left and right sides, and each side bracket 11 includes a front support rod 111, a rear support rod 112, an upper support rod 111, a rear support rod 112, an upper The support rod 113 and the push rod 114, two of the upper part of the front support rod 111, the upper part of the rear support rod 112, and the lower part of the upper support rod 113 are rotationally connected, and the third is rotationally connected to the aforementioned two. On one of the two, or the upper part of the front support rod 111, the upper part of the rear support rod 112, and the lower part of the upper support rod 113 are rotationally connected around the same rotation center line, and the lower part of the push rod 114 is connected with the upper part of the upper support rod 113. Rotationally connected. In this embodiment, on the side brackets 11 on each side, the upper part of the front support rod 111 is rotatably connected with the upper part of the rear support rod 112 around the first axis, and the lower part of the upper support rod 113 is connected with the rear support rod 112 around the second axis. The upper part is rotatably connected, and the axis line of the first shaft and the axis line of the second shaft extend parallel to each other or co-linearly.

Referring to Figures 1 to 6, the side brackets 11 on each side further include a connecting rod assembly 115. The connecting rod assembly 115 is connected between the front support rod 111, the rear support rod 112 and the push rod 114. When the frame 1 is in the unfolded state, the connecting rod assembly 115 is located on the rear side of the front support rod 111 and the upper support rod 113. When the cart frame 1 is in the folded state, the front support rod 111, the rear support rod 112, the upper support rod 113 and the The push rods 114 are stacked and folded in the front-rear direction. The seat pocket frame 2 is mounted on the upper support rod 113. The seat bag frame 2 is located between the two sets of side brackets 11 in the left-right direction. The seat bag frame 2 has an open state and a retracted state. During the transition of the vehicle frame 1 between the unfolded state and the folded state, the seat pocket frame 2 is maintained in the opened state or in the stowed state.

In this embodiment, the upper support rod 113 on each side is fixedly provided with a mounting seat 1131, the mounting seat 1131 is arranged at the lower part of the upper support rod 113, and the left and right sides of the seat pocket frame 2 are provided with joint seats 21, two The joint seat 21 on the side can be detachably connected with the mounting seat 1131 on both sides. Referring to FIG. 1 and FIG. 9 , in this embodiment, the seat pocket frame 2 has a forward installation state facing forward and a reverse installation state facing rearward on the cart frame 1 . The seat pocket frame 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 footrest 24 . The backrest 23 and the seat 22 are respectively rotatably connected to the joint seat 21 , the lower part of the backrest 23 is rotatably connected to one end of the seat 22 around the center line of rotation, and the footrest 24 is rotatably connected to the other end of the seat 22 In this way, both the backrest 23 and the step frame 24 can be rotated and folded relative to the seat 22, and when the seat bag frame 2 is in the forward installation state and the reverse installation state, the seat bag frame 2 can be folded; When the frame 1 is in a folded state and the seat pocket frame 2 is in an open state, the seat 22 extends in the front-rear direction, and the footrest 24 extends in the up-down direction to form a handle that can be lifted (see Fig. 7 and Fig. 8 for details). shown), which is convenient for users to carry.

Referring to FIG. 1 , FIG. 3 and FIG. 5 , the link assembly 115 on each side includes a first link 1151 extending in the up-down direction and a second link 1152 extending in the front-rear direction. 1151 is rotatably connected to the rear support rod 112, the upper part of the first link 1151 is rotatably connected to the push rod 114, the lower part of the first link 1151 is rotatably connected to the rear of the second link 1152, and the second link The front portion of the rod 1152 is rotatably connected to the front strut 111 . When the cart 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 together, which is convenient for users to fold.

In this embodiment, the cart frame 1 further includes an upper cross bar 12 fixedly arranged between the upper parts of the push rods 114 on both sides, a front cross bar 13 fixed between the lower parts of the front support bars 111 on both sides, and a fixed The rear cross bar 14, the upper cross bar 12, the front cross bar 13 and the rear cross bar 14 arranged between the lower parts of the rear struts 112 on both sides can strengthen the strength of the cart frame 1 and ensure the stability of the whole cart frame 1 sex. At the same time, when the cart frame 1 is in the unfolded state, the distance between the upper cross bar 12 and the center line of rotation is greater than the height of the backrest 23 in the up-down direction, so as to ensure that when the user operates the backrest 23, the upper cross bar 12 does not Interference will be formed on the backrest 23; the distance between the front crossbar 13 and the center line of rotation, and the distance between the rear crossbar 14 and the centerline of rotation are all greater than the length of the seat 22 in the front-rear direction, ensuring that when the seat 22 rotates, the front The cross bar 13 and the rear cross bar 14 will not interfere with the seat 22; when the cart frame 1 is in the unfolded state and the seat pocket frame 2 is in the open state, the lower part of the footrest 24 is higher than the front cross bar 13 and the rear cross bar 14. Ensure that when the step frame 24 rotates relative to the seat 22, the step frame 24 will not collide with the front cross bar 13 or the rear cross bar 14.

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

Referring to Figures 1 to 6 and Figures 9 to 14, the following specifically describes the folding and unfolding principles of the stroller of this embodiment:

The method of folding and opening the seat pocket holder 2 is as follows: turn and fold the backrest 23 toward the sitting surface of the seat 22 until the backrest 23 is folded on the seat 22; when the seat pocket holder 2 needs to be opened, only the backrest 23 The relative seat 22 can be rotated and opened. It should be noted that the user can either disassemble the seat pocket frame 2 from the stroller frame 1, and then open or fold it, or directly connect the seat bag frame 2 and the stroller frame 1 to The seat pocket holder 2 is opened and retracted.

Unfolding and folding of the cart frame 1: When the cart frame 1 is in the unfolded state, when the user needs to fold the cart frame 1, first unlock the locking structure through the unlocking operation member 5, and turn the push rod 114 upward. , the front support rod 111, the rear support rod 112, the upper support rod 113, the first connecting rod 1151, and the second connecting rod 1152 are linked and folded, until the front support rod 111, the rear support rod 112, the upper support rod 113 and the push rod The rods are stacked and folded from front to back; when the cart frame needs to be re-deployed, pull the push rod 114, the front support rod 111, the rear support rod 112, the upper support rod 113, the first link 1151, and the second link 1152 linkage between.

It should be noted that, regardless of whether the stroller frame 1 is in the unfolded state or the folded state, the user can switch the installation state of the seat pocket holder 2, and can also open and fold the seat pocket holder 2. Specifically: The joint seat 21 on the pocket frame 2 is disengaged from the mounting seat 1131 on the upper support rod 113 , the seat pocket frame 2 is rotated 180°, and then the joint seat 21 on the seat pocket frame 2 is matched to the upper support rod 113. On the mounting seat 1131 on the top, the switching of the mounting state of the seat pocket holder 2 can be realized. At the same time, when the seat pocket frame 2 is in the forward installation state, the stroller frame 1 is in the folded state and the seat pocket frame 2 is in the retracted state, the backrest 23 is folded on the front side of the front cross bar 13; the seat pocket frame 2 is in the reverse direction In the installed state, when the cart frame 1 is in the folded state and the seat pocket frame 2 is in the retracted state, the upper cross bar 12 is retracted on the rear side of the backrest 23 .

To sum up, when the stroller frame 1 of the stroller of this embodiment is folded or unfolded, the front support rod 111 , the rear support rod 112 , the upper support rod 113 and the push rod 114 can be realized through the connecting rod assembly 115 . The linkage folding between them is simple and quick to operate; at the same time, no matter whether the cart frame 1 is in the unfolded or folded state, the seat pocket frame 2 can be opened or folded, and can be installed in the forward and reverse installation states. Switching, and switching operation is simple.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and its purpose is to enable those who are familiar with the technology to understand the content of the present invention and implement accordingly, and cannot limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A children's stroller, comprising a stroller frame having an unfolded state and a folded state, a foldable seat pocket frame arranged on the stroller frame, and a front wheel arranged at the bottom of the stroller frame Assembly and rear wheel assembly, and a locking mechanism for locking the cart frame in the unfolded state, characterized in that the cart frame includes two sets of side brackets arranged on the left and right sides, and the Each of the side brackets includes a front support rod, a rear support rod, an upper support rod and a push rod, which respectively extend obliquely in the up-down direction in the unfolded state. The upper part of the front support rod, the upper part of the rear support rod and the Two of the lower part of the upper strut are rotatably connected and the third is rotatably connected to one of the aforementioned two, or the upper part of the front strut, the upper part of the rear strut and all The three lower parts of the upper support rod are rotatably connected around the same rotation center line, and the lower part of the push rod is rotatably connected with the upper part of the upper support rod, The side brackets on each side further include a link assembly connected between the front strut, the rear strut and the push rod, and the cart frame is in a deployed state The connecting rod assembly is located on the rear side of the front support rod and the upper support rod, the cart frame is in a folded state, the front support rod, the rear support rod, the upper support rod and the The push rods are stacked and folded in the front-rear direction, the seat pocket brackets are mounted on the upper support rods, the seat pocket brackets are located between the two sets of side brackets in the left-right direction, and the seat pocket brackets are in an open state As with the stowed state, during the transition of the cart frame between the unfolded state and the folded state, the seat pocket frame remains in the open state or in the stowed state. 2 . The stroller according to claim 1 , wherein a mounting seat is fixedly provided on each side of the upper support rod, and the mounting seat is arranged at the lower part of the upper support rod, and the seat The left and right sides of the pocket frame are provided with joint seats, and the joint seats on both sides can be detachably connected with the mounting seats on both sides respectively. The forward installation state facing the front and the reverse installation state facing the rear. 3. The stroller according to claim 2, wherein the stroller frame further comprises an upper cross bar fixedly arranged between the upper parts of the push rods on both sides, The front crossbar between the lower parts of the front support rods, and the rear crossbar fixed between the lower parts of the rear support rods on both sides, the seat pocket frame includes a seat extending in the front-rear direction in an open state and a seat in the up-down direction. an extended backrest, the rear of the seat is pivotally connected to the lower portion of the backrest about a centerline of rotation, When the cart frame is in the unfolded state, the distance between the upper cross bar and the rotation center line is greater than the height of the backrest along the up-down direction, and the distance between the front cross bar and the rotation center line is greater than that of the backrest. The distance and the distance between the rear cross bar and the rotation center line are all greater than the length of the seat in the front-rear direction. 4 . The stroller according to claim 3 , wherein the seat pocket frame further comprises a step frame rotatably connected to the front of the seat at the upper part, and the stroller frame is in an unfolded state and When the seat pocket frame is in an open state, the lower part of the footrest is higher than the front cross bar and the rear cross bar. 5 . The stroller of claim 3 , wherein the seat carrier frame is in a forward installation state, the stroller frame is in a folded state, and the seat carrier frame is in a retracted state, 6 . The backrest is folded on the front side of the front cross bar; the seat pocket frame is in a reversely installed state, the cart frame is in a folded state, and the seat pocket frame is in a stowed state, the upper A crossbar gathers on the back side of the backrest. 6 . The stroller according to claim 1 , wherein when the stroller frame is in the unfolded state, a space can be formed between the side brackets on both sides for the seat pocket frame to be opened. 7 . The transition space to switch between the state and the collapsed state. 7 . The stroller according to claim 1 , wherein the seat bag frame comprises a seat, a backrest and a footrest, the backrest is rotatably connected to one end of the seat, and the footrest is rotatable. 8 . is rotatably connected to the other end of the seat, when the cart frame is in a folded state and the seat pocket frame is in an open state, the seat extends in the front-rear direction, and the footrest extends in the up-down direction Extend to form a handle that can provide pull. 8 . The stroller according to claim 7 , wherein the seat pocket frame further comprises joint seats respectively arranged on the left and right sides, the upper support rods on each side are fixed with mounting seats, and the two sides are fixed with mounting seats. 9 . The mounting seat is installed in cooperation with the joint seats on both sides, and the backrest and the seat are respectively connected with the joint seats in a relatively rotatable manner. 9 . The stroller according to claim 1 , wherein on the side brackets on each side, the upper part of the front support rod is rotatably connected with the upper part of the rear support rod around the first axis, so the The lower part of the upper support rod is rotatably connected with the upper part of the rear support rod around a second shaft, and the axis line of the first shaft and the axis line of the second shaft extend parallel to or co-linear with each other. 10. The stroller according to any one of claims 1 to 9, wherein the connecting rod assembly on each side comprises a first connecting rod extending in the up-down direction and a second connecting rod extending in the front-rear direction. The first link is rotatably connected to the rear support rod, the upper part of the first link is rotatably connected to the push rod, and the lower part of the first link is connected to the second The rear part of the link is rotatably connected, and the front part of the second link is rotatably connected to the front strut.

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