CN115158436B - a stroller for children - Google Patents

Abstract

The invention discloses a child stroller, which comprises a stroller frame and a seat assembly arranged on the stroller frame, wherein the stroller frame comprises a rear support, the seat assembly comprises a seat and a backrest, the child stroller further comprises a sliding piece which is arranged on the seat in a sliding manner along the front-back direction, the upper part of the rear support is pivotally connected with the sliding piece, and the lower part of the backrest is pivotally connected with the sliding piece or the rear support. When the baby stroller is folded, the sliding piece can directly drive the backrest to slide relative to the seat when sliding relative to the seat, or the backrest can be driven to slide relative to the seat by the rear support, and the backrest can also rotate relative to the seat and be close to the seat, so that the folding of the seat assembly is realized, namely, the baby stroller can enable the seat assembly to be synchronously folded when the stroller frame is folded, and the seat assembly does not need to be independently folded, so that the folding operation of the baby stroller is very convenient, and the use of the baby stroller is convenient.

Description

a stroller for children

technical field

The invention relates to the technical field of children's products, in particular to a baby stroller.

Background technique

Children's strollers are mainly used by adults to carry children out. Children's strollers generally include a stroller frame and a seat assembly arranged on the stroller frame, and the seat assembly includes a seat and a backrest. In order to facilitate the carrying and storage of the stroller, the stroller is generally capable of being folded.

In the prior art, when some children's strollers are folded, the seat assembly needs to be disassembled from the stroller frame before they can be folded. Some strollers can be folded with seat components, but when folding this kind of strollers, the seat components are generally folded first, even after the backrest rotates relative to the seat and the seat moves closer, the stroller frame starts to be folded. That is to say, when this type of stroller is folded, the folding of the seat assembly and the folding of the stroller frame are carried out separately. The folding operation of the above-mentioned two types of strollers is very inconvenient, and it is inconvenient to use the strollers.

Contents of the invention

The object of the present invention is to address the deficiencies in the prior art and provide a baby stroller, which can make the backrest slide relative to the seat synchronously when the stroller frame is folded, and the backrest can also rotate relative to the seat and seat close together.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A stroller for children, comprising a stroller frame and a seat assembly arranged on the stroller frame, the stroller frame includes a rear bracket, the seat assembly includes a seat and a backrest, and the stroller also includes a The sliding part is slidably arranged on the seat along the front-rear direction, the upper part of the rear support is pivotally connected with the sliding part, and the lower part of the backrest is pivotally connected with the sliding part or the rear support.

Preferably, the upper part of the rear bracket is pivotally connected to the sliding member through a first shaft, and the lower part of the backrest is pivotally connected to the sliding member through a second shaft. When the stroller is in an unfolded state , the second axis is located above the first axis and behind the first axis.

Further, the front end of the slider is provided with a first connecting portion extending downward, and the first connecting portion is pivotally connected with the upper part of the rear bracket through the first shaft, and the slider’s The rear end is provided with an upwardly extending second connecting portion, and the second connecting portion is pivotally connected with the lower portion of the backrest through the second shaft.

Furthermore, the rear support and the sliding parts are respectively arranged on the left and right sides, the seat is a seat plate, and the left and right sides of the seat plate are respectively provided with slide grooves extending in the front and rear directions, and each side The second connection parts of the sliders are all slidably arranged in the chute along the length extension direction of the chute on the corresponding side, and when the baby stroller is in the unfolded state, the second connection The second connecting portion is located at the rear end of the chute, and when the stroller is in a folded state, the second connecting portion is located at the front end of the chute.

Preferably, the upper part of the rear support is pivotally connected to the slider via a first shaft, and the lower part of the backrest is pivotally connected to the rear support via a third shaft. When the stroller is in an unfolded state , the third axis is located below the first axis and behind the first axis.

Preferably, the upper part of the rear bracket, the slider and the lower part of the backrest are coaxially pivotally connected.

Preferably, when the stroller is in the expanded state, the sliding member is located at the rear of the seat, and when the stroller is folded from the unfolded state, the sliding member slides forward relative to the seat , so that the backrest moves forward relative to the seat.

Further, when the baby stroller is in the folded state, the backrest rotates backward under the action of its own gravity to move closer to the seat.

Preferably, the stroller further includes a front bracket, a side bar, a push rod assembly, a first link and a second link, the upper part of the front bracket is pivotally connected to the lower part of the side bar, and the side bar The upper part of the rod is pivotally connected to the lower part of the push rod assembly, one end of the first connecting rod is pivotally connected to the front bracket, and the other end of the first connecting rod is connected to the push rod assembly. The lower part is pivotally connected, one end of the second connecting rod is pivotally connected to the other end of the first connecting rod or the lower part of the push rod assembly, the other end of the second connecting rod is connected to the The rear support is pivotally connected, the front part of the seat is pivotally connected with the upper part of the front support or the lower part of the side bar, and the rear part of the seat is pivotally connected with the second link.

Further, the upper part of the front bracket, the lower part of the side bar and the front part of the seat are coaxially pivotally connected, the other end of the first link, the lower part of the push rod assembly and The three end portions of the second connecting rod are coaxially pivotally connected.

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art: when the children's stroller of the present invention is folded, when the sliding part slides relative to the seat, it can directly drive the backrest to slide relative to the seat, or can be driven by the rear support The backrest slides relative to the seat, and the backrest can also rotate relative to the seat and move closer to the seat, so as to realize the folding of the seat assembly, that is, the stroller can fold the seat assembly synchronously when the stroller frame is folded, and there is no need to fold the seat assembly separately. The folding operation of the children's stroller is very convenient, and the use of the children's stroller is convenient.

Description of drawings

Accompanying drawing 1 is the three-dimensional schematic view of the children's stroller in the expanded state of the present embodiment 1;

Accompanying drawing 2 is the side view diagram of the children's stroller in the expanded state of the present embodiment 1;

Accompanying drawing 3 is the partially enlarged schematic diagram of place A in Fig. 2;

Accompanying drawing 4 is the schematic side view of the children's stroller in the present embodiment 1 during the folding process;

Accompanying drawing 5 is the schematic side view of the children's stroller in the folded state of the present embodiment 1;

Accompanying drawing 6 is the three-dimensional schematic diagram of the children's stroller in the expanded state of the present embodiment 2;

Accompanying drawing 7 is the side view schematic diagram of the children's stroller in the expanded state of the present embodiment 2;

Accompanying drawing 8 is the partially enlarged schematic diagram of place A in Fig. 7;

Accompanying drawing 9 is the schematic side view of the children's stroller in the embodiment 2 during the folding process;

Figure 10 is a schematic side view of the child's stroller in the folded state of the second embodiment.

Among them: 11. Front bracket; 12. Rear bracket; 13. Side rod; 14. Push rod assembly; 15. First connecting rod; 16. Second connecting rod; 21. Seat; 211. Seat surface; 212. Chute ; 22, backrest; 30, front wheel assembly; 40, rear wheel assembly; ; 63, the third axis.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in Figures 1 to 5, the children's stroller of the present invention includes a stroller frame with an unfolded state and a folded state, a seat assembly arranged on the stroller frame, and a seat assembly arranged at the bottom front of the stroller frame. The front wheel assembly 30 and the rear wheel assembly 40 arranged at the bottom rear portion of the stroller frame.

A specific structure of the cart frame is given as follows, but the cart frame is not limited to the structure given in this embodiment.

The stroller frame includes side supports on the left and right sides and a transverse link connected between the side supports on the left and right sides.

The side brackets on each side include a front bracket 11 , a rear bracket 12 , a side bar 13 , a push rod assembly 14 , a first link 15 and a second link 16 . When the stroller frame is in the unfolded state, the front bracket 11, the side bars 13 and the push rod assembly 14 all extend obliquely upward from the front to the rear, the rear bracket 12 extends obliquely from the front to the rear, and the front wheel assembly 30 is arranged on the front bracket 11. The lower part of the rear wheel assembly 40 is arranged below the rear bracket 12 .

The upper part of the front bracket 11 is pivotally connected with the lower part of the side bar 13 , and the upper part of the side bar 13 is pivotally connected with the lower part of the push rod assembly 14 . One end of the first connecting rod 15 is pivotally connected to the front bracket 11 , and the other end of the first connecting rod 15 is pivotally connected to the lower part of the push rod assembly 14 . One end of the second connecting rod 16 is pivotally connected with the other end of the first connecting rod 15 or the lower part of the push rod assembly 14, preferably the other end of the first connecting rod 15, the lower part of the push rod assembly 14 and the second connecting rod. One end of the rod 16 is pivotally connected to the three ends, and the other end of the second connecting rod 16 is pivotally connected to the rear bracket 12 .

The seat assembly includes a seat 21 and a backrest 22 . The front of the seat 21 is pivotally connected with the top of the front bracket 11 or the bottom of the side bar 13, preferably the top of the front bracket 11, the bottom of the side bar 13 and the front three of the seat 21 are pivotally connected with the same axis, the seat 21 The rear part is pivotally connected with the second link 16 . The backrest 22 is rotatably and slidably provided on the seat 21 .

Specifically, the children's stroller further includes a sliding part 5, and the sliding part 5 is arranged on the seat 21 so as to be able to slide along the front and rear directions. The upper part of the rear bracket 12 is pivotally connected to the sliding member 5 through a first shaft 61 , and the lower part of the backrest 22 is pivotally connected to the sliding member 5 through a second shaft 62 .

In this embodiment, both the first axis 61 and the second axis 62 extend along the left-right direction, and they are arranged in parallel. When the stroller is in the unfolded state, the second axis 62 is located above the first axis 61 and at The rear of the first shaft 61 is shown in FIGS. 1 to 3 .

Of course, the axes of the first shaft 61 and the second shaft 62 may also extend along the same straight line, that is, the three components of the sliding member 5 , the rear support 12 and the backrest 22 are coaxially pivotally connected.

In this embodiment, the seat 21 adopts the form of a seat plate, and the left and right sides of the front portion of the seat plate 21 are respectively coaxially connected with the upper part of the front bracket 11 on the corresponding side and the lower part of the side bar 13, and the seat plate 21 The left and right sides of the rear part are respectively pivotally connected with the second link 16 on the corresponding side.

The seat board has a seat surface 211 in contact with the child's buttocks, and the sliding parts 5 are respectively slidably arranged on the left and right sides of the seat board. The slider 5 on each side includes a body 51 , a first connecting portion 52 and a second connecting portion 53 . The body 51 is slidably disposed on the seat plate along the front-rear direction, and is located below the seat surface 211 . The first connecting portion 52 is located at the front end of the main body 51 and extends downward of the main body 51 . The upper portion of the rear support 12 is pivotally connected to the first connecting portion 52 through a first shaft 61 . The second connecting portion 53 is located at the rear end of the main body 51 and extends upward of the main body 51 . The lower portion of the backrest 22 is pivotally connected to the second connecting portion 53 through a second shaft 62 .

The left and right sides of the seat plate 21 are respectively provided with chute 212 extending along the front and rear direction, the chute 212 on the left and right sides are parallel, the second connecting part 53 is penetrated in the chute 212, and can be along the length of the chute 212 The extension direction is slidingly set.

When the stroller is in the unfolded state, as shown in Figure 1 and Figure 2, the sliding parts 5 on the left and right sides are all located at the rear end of the seat 21, and the second connecting part 53 is located at the rear of the chute 212 in the chute 212. end, so that the backrest 22 is far away from the seat 21, and it stands behind the seat 21, and the rear support 12 is far away from the front support 11. On the front frame 11 , the pivot connection of the front frame 11 , the side bar 13 and the seat 21 is located above the pivot connection of the first link 15 and the front frame 11 . On the rear bracket 12 , the pivotal connection between the rear bracket 12 and the slider 5 is located above the pivotal connection between the second link 16 and the rear bracket 12 . On the push rod assembly 14 , the pivotal connection of the first link 15 , the push rod assembly 14 and the second link 16 is located below the pivotal connection of the side bar 13 and the push rod assembly 14 . On the second link 16, the pivotal connection of the first link 15, the push rod assembly 14 and the second link 16, the pivotal connection of the seat 21 and the second link 16, the second link 16 and The pivot joints of the rear support 12 are sequentially arranged from top to bottom.

When the stroller is folded from the unfolded state, the sliding part 5 is lifted to make it slide forward relative to the seat 21, and the upper end of the rear bracket 12 is driven to slide forward to move closer to the front bracket 11, and the backrest 22 is also synchronized with the sliding part 5 Move forward, during this process, the front support 11 and the side bar 13 all rotate around the pivotal connection with the seat 21 relative to the seat 21 and move closer to the seat 21, so that the push rod assembly 14 rotates forward and downward, and the folding process is as follows: As shown in FIG. 4 , when the sliding member 5 slides forward and reaches its position, the backrest 22 can turn downwards under the action of its own gravity to move closer to the seat 21 , and finally fold as shown in FIG. 5 .

When the stroller frame is folded, the stroller can be folded synchronously with the seat assembly, and the folding seat assembly does not need to be operated separately, so that the folding operation of the stroller is convenient. Moreover, when the stroller is in the folded state, the backrest 22 is close to the seat 21, and is folded together with the stroller frame, so that the folded stroller has a compact structure, a small volume, and is easy to carry and store.

Example 2

As shown in FIGS. 6 to 10 , in this embodiment, the backrest 22 is not pivotally connected to the sliding member 5 , that is, the second connecting portion 53 does not need to be provided on the sliding member 5 . The backrest 22 is pivotally connected to the rear support 12 through a third shaft 63 , and the third shaft 63 is arranged parallel to the first shaft 61 . All the other are identical with embodiment 1.

When the stroller is in the unfolded state, on the rear bracket 12, the third shaft 63 is located below the first shaft 61 and behind the first shaft 61, and the third shaft 63 is located between the second connecting rod 16 and the rear bracket 12. The upper part of the pivot joint, as shown in Figure 6 to Figure 8.

In this embodiment, when the stroller is folded from the unfolded state, as in Embodiment 1, the sliding member 5 is slid forward relative to the seat 21, and the upper end of the rear bracket 12 is driven to slide forward to move closer to the front bracket 11, and the rear bracket 12 is moved forward. When the upper end of the bracket 12 moves forward, it drives the backrest 22 to move forward synchronously. During this process, the front bracket 11 and the side bar 13 all rotate around the pivotal connection with the seat 21 relative to the seat 21 and move closer to the seat 21, so that The push rod assembly 14 rotates forward and downward. The folding process is shown in FIG. 10 shown.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.

Claims (9)

1. A child stroller, comprising a stroller frame and a seat assembly arranged on said stroller frame, said stroller frame comprising a rear support, said seat assembly comprising a seat and a backrest, characterized in that: The baby stroller also includes a sliding piece that is slidably arranged on the seat along the front-rear direction, the upper part of the rear bracket is pivotally connected to the sliding piece, and the lower part of the backrest is connected to the sliding piece or the sliding piece. The rear bracket is pivotally connected, and the cart frame also includes a front bracket, a side bar, a push rod assembly, a first link and a second link, and the upper part of the front bracket pivots with the lower part of the side bar connected, the upper part of the side rod is pivotally connected with the lower part of the push rod assembly, one end of the first connecting rod is pivotally connected with the front bracket, and the other end of the first connecting rod is connected with the The lower part of the push rod assembly is pivotally connected, one end of the second connecting rod is pivotally connected to the other end of the first connecting rod or the lower part of the push rod assembly, and the other end of the second connecting rod One end is pivotally connected with the rear bracket, the front part of the seat is pivotally connected with the upper part of the front bracket or the lower part of the side bar, and the rear part of the seat is pivotally connected with the second link connect. 2. The stroller according to claim 1, characterized in that: the upper part of the rear bracket is pivotally connected to the sliding member through a first shaft, and the lower part of the backrest is connected to the sliding member through a second shaft pivotally connected, when the stroller is in an unfolded state, the second shaft is located above the first shaft and behind the first shaft. 3. The children's stroller according to claim 2, characterized in that: the front end of the slider is provided with a first connecting portion extending downward, the first connecting portion is connected to the upper part of the rear bracket through The first shaft is pivotally connected, and the rear end of the slider is provided with a second connecting portion extending upward, and the second connecting portion is pivotally connected to the lower part of the backrest through the second shaft. 4. The children's stroller according to claim 3, characterized in that: the rear bracket and the slider are respectively arranged on the left and right sides, the seat is a seat board, and the left and right sides of the seat board are respectively A chute extending along the front-to-rear direction is provided, and the second connecting portion of the slider on each side can be slidably arranged in the chute along the length extension direction of the chute on the corresponding side, when the When the stroller is in an unfolded state, the second connecting portion is located at the rear end of the chute, and when the stroller is in a folded state, the second connecting portion is located at the front end of the chute. 5. The stroller according to claim 1, characterized in that: the upper part of the rear support is pivotally connected to the slider via a first axis, and the lower part of the backrest is connected to the rear support via a third axis Pivotally connected, when the stroller is in an unfolded state, the third shaft is located below the first shaft and behind the first shaft. 6 . The stroller for children according to claim 1 , characterized in that: the upper part of the rear support, the sliding member and the lower part of the backrest are coaxially pivotally connected. 7. The children's stroller according to claim 1, wherein when the children's stroller is in the unfolded state, the sliding member is located at the rear of the seat, and when the children's stroller is in the unfolded state, When folded, the slider slides forward relative to the seat, causing the backrest to move forward relative to the seat. 8 . The stroller for children according to claim 7 , wherein when the stroller is in a folded state, the backrest rotates backward under the action of its own gravity to get closer to the seat. 9. The stroller according to claim 1, characterized in that: the upper part of the front bracket, the lower part of the side bar and the front part of the seat are coaxially pivotally connected, and the first connecting The other end of the rod, the lower part of the push rod assembly and one end of the second connecting rod are coaxially pivotally connected.