CN219056346U

CN219056346U - Child cart

Info

Publication number: CN219056346U
Application number: CN202223093962.5U
Authority: CN
Inventors: 贺新军; 马福生; 秦超毅
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-05-23
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to a child stroller, which comprises a foldable stroller frame, wherein the stroller frame comprises side brackets positioned on the left side and the right side of the child stroller, each side bracket comprises a front wheel bracket, a rear wheel bracket, a grab rail, a push rod, a seat rod, a slide rod and a connecting rod which are in sliding connection with the seat rod, the seat rod is also in sliding connection with the rear wheel bracket, and the stroller frame also comprises a transverse bracket arranged between the side brackets on the two sides. When the child stroller is converted from the unfolded state to the folded state, the sliding rods slide on the seat rods, so that the side brackets at two sides are transversely close to each other under the drive of the transverse brackets, the rear wheel brackets slide forwards relative to the seat rods and are close to the seat rods under the drive of the transverse brackets, the folding is convenient, and the volume is small after the folding.

Description

Child cart

Technical Field

The utility model relates to the field of children products, in particular to a child trolley.

Background

Folding child strollers are widely used as a baby walker. In order to achieve the folding function, the stroller frame is configured to be foldable, the stroller frame generally comprises side brackets which are positioned at the left side and the right side of the stroller and are symmetrically arranged, main components forming the side brackets, such as front wheel brackets, rear wheel brackets, seat bars, push rods and the like, are rotatably connected with each other, and in order to enable the stroller to achieve transverse folding, cross braces are generally arranged between the side brackets at the two sides. However, the children's barrow capable of being folded transversely and longitudinally still has the problems of large volume and large occupied space after being folded in the current market.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the child cart with different structures and smaller volume after being folded.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the baby stroller comprises a foldable stroller frame, a front wheel assembly arranged in front of the stroller frame bottom and a rear wheel assembly arranged behind the stroller frame bottom, wherein the stroller frame comprises side brackets positioned at the left side and the right side of the baby stroller, each side of the side brackets comprises a front wheel bracket provided with the front wheel assembly, a rear wheel bracket provided with the rear wheel assembly, a handrail rod and a push rod, each side of the side brackets further comprises a seat rod, a slide rod and a connecting rod which are in sliding connection with the seat rod, and the seat rod is also in sliding connection with the rear wheel bracket; when the child stroller is in the deployed state,

two of the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected and a third person is pivotally connected to one of the two, or the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected around the same rotation center;

the lower part of the push rod is respectively and rotatably connected with the upper part of the grab rail and the slide rod;

the front part of the connecting rod is connected with the front wheel bracket in a rotating way, and the rear part of the connecting rod is connected with the sliding rod or the push rod in a rotating way;

the trolley frame also comprises transverse brackets arranged between the side brackets at two sides, when the stroller is converted from an unfolding state to a folding state, the sliding rods slide on the seat rods, so that the side brackets at two sides are transversely close to each other under the drive of the transverse brackets, and the rear wheel brackets slide forwards relative to the seat rods under the drive of the transverse brackets.

According to some embodiments of the present utility model, when the stroller is converted from the unfolded state to the folded state, the push rod is operated to rotate, the slide rod is driven to slide backward, the front wheel support and the seat rod are driven to be close to each other by the connecting rod, the rear wheel support and the seat rod are driven to be close to each other by the transverse support, and the side supports on two sides are driven to be close to each other transversely by the transverse support.

According to some embodiments of the utility model, the rear wheel brackets extend in a front-rear direction of the stroller on each side when the stroller is in the unfolded state, and the rear wheel assemblies are provided at rear end portions of the rear wheel brackets.

According to some embodiments of the utility model, the cart frame further comprises a backrest frame, the backrest frame comprises backrest rods respectively arranged on the two sides of the sliding rod or the two sides of the pushing rod, a first rod and a second rod, one end of each of the first rod and the second rod is respectively and pivotally connected with the two sides of the backrest rods, a third rod and a fourth rod, one end of each of the third rod and the fourth rod is respectively and pivotally connected with the two sides of the backrest rods, the other end of each of the third rod and the fourth rod is in cross-rotation connection, the other end of each of the third rod and the other end of each of the first rod and the second rod is in pivot connection, and the other end of each of the fourth rod and the other end of each of the second rod and the other end of each of the first rod are in pivot connection.

Further, the lower end parts of the backrest rods on the two sides are rotatably arranged on the lower part of the push rod or the slide rod.

According to some embodiments of the utility model, the cart frame further comprises pedals arranged on the front wheel brackets at two sides, and the front ends of the connecting rods at two sides are respectively connected to the pedals in a rotating way through connecting pieces.

According to some embodiments of the utility model, the cross brace comprises a fifth bar, a sixth bar cross-rotatably connected to the fifth bar, a seventh bar, and an eighth bar cross-rotatably connected to the seventh bar;

one end part of the fifth rod and one end part of the sixth rod are respectively and rotatably connected with the seat rods on two sides, and the other end part of the fifth rod and the other end part of the sixth rod are respectively and rotatably connected with the slide rods on two sides;

one end part of the seventh rod and one end part of the eighth rod are respectively and rotatably connected with the seat rod pivot shafts on two sides, and the other end part of the seventh rod and the other end part of the eighth rod are respectively and rotatably connected with the rear wheel brackets on two sides;

when the child stroller is shifted from the unfolded state to the folded state, the fifth rod or the sixth rod and the rear wheel bracket slide away from each other relative to the seat rod.

In some embodiments, the seat bar extends in a front-to-rear direction of the stroller on each side when the stroller is in the deployed state, and the rotational connection of the fifth or sixth bar to the seat bar is forward of the rotational connection of the seventh or eighth bar to the seat bar.

In some embodiments, when the stroller is in the deployed state, the rotational connection of the fifth rod to the seat rod is located forward of the rotational connection of the sixth rod to the slide rod or forward of the rotational connection of the sixth rod to the seat rod in the direction of extension of the seat rod on each side.

In some embodiments, when the stroller is in the unfolded state, the rotational connection of the seventh bar to the seat bar is located rearward of the rotational connection of the eighth bar to the rear wheel support or the rotational connection of the eighth bar to the seat bar is located rearward of the rotational connection of the seventh bar to the rear wheel support in the extending direction of the seat bar on each side.

In some embodiments, the rotational axis of the rear wheel assembly is higher than the rotational axis of the front wheel assembly when the stroller is in the deployed state.

In some embodiments, the stroller frame is folded between the rear wheel assemblies on both sides when the stroller is in a collapsed condition.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

when the child stroller is converted from the unfolded state to the folded state, the sliding rods slide on the seat rods, so that the side brackets at two sides are transversely close to each other under the drive of the transverse brackets, the rear wheel brackets slide forwards relative to the seat rods and are close to the seat rods under the drive of the transverse brackets, the folding is convenient, and the volume is small after the folding.

Drawings

FIG. 1 is a perspective view of a child stroller in an expanded state according to an exemplary embodiment of the present utility model;

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

FIG. 3 is a schematic illustration of the connection of the seat bar, slide bar, rear wheel support and cross support of the stroller of FIG. 1;

FIG. 4 is a perspective view of the stroller of FIG. 1 in a first semi-collapsed condition;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a schematic illustration of the connection of the seat bar, slide bar, rear wheel support and cross support of the stroller of FIG. 4;

FIG. 7 is a perspective view of the stroller of FIG. 1 in a second semi-collapsed condition;

FIG. 8 is a side view of FIG. 7;

FIG. 9 is a schematic illustration of the connection of the seat bar, slide bar, rear wheel support and cross support of the stroller of FIG. 7;

FIG. 10 is a perspective view of the stroller of FIG. 1 in a folded condition;

FIG. 11 is a side view of FIG. 10;

FIG. 12 is a schematic illustration of the connection of the seat bar, slide bar, rear wheel support and cross support of the stroller of FIG. 10;

FIG. 13 is an exploded view of the stroller of FIG. 1;

in the figure: 1. a front wheel assembly; 2. a rear wheel assembly; 3. a front wheel bracket; 4. a rear wheel bracket; 5. a push rod; 5a, pushing down the rod; 5b, pushing up the rod; 5c, pushing the handle bar; 6. a seat rod; 6a, a seat rod body; 6b, a seat rod connecting part; 7. a slide bar; 7a, a slide bar body; 7b, a slide bar connecting part; 8. a grab rail; 9. a connecting rod; 10. a backrest rod; 11. a first lever; 12. a second lever; 13. a third lever; 14. a fourth lever; 15. a fifth lever; 16. a sixth lever; 17. a seventh lever; 18. an eighth lever; 19. a first cross bar; 20. and a second cross bar.

Detailed Description

The utility model is further described with reference to the drawings and specific examples in the specification:

referring to the stroller shown in fig. 1 to 13, the stroller has a folded state and an unfolded state, and comprises a foldable stroller frame, a front wheel assembly 1 arranged in front of the stroller frame bottom, and a rear wheel assembly 2 arranged behind the stroller frame bottom, wherein the stroller frame comprises side brackets positioned on the left side and the right side of the stroller, each side bracket comprises a front wheel bracket 3 provided with the front wheel assembly 1, a rear wheel bracket 4 extending in the front-rear direction of the stroller and provided with the rear wheel assembly 2 at the rear end part, a push rod 5, a seat rod 6 extending in the front-rear direction of the stroller, a slide rod 7, a grab rod 8 and a connecting rod 9, wherein the slide rod 7 is slidably connected with the seat rod 6 along the extending direction of the seat rod 6, and the rear wheel bracket 4 is slidably connected with the seat rod 6 along the extending direction of the seat rod 6.

In this example, as shown in fig. 1, each side push rod 5 includes a lower push rod 5a, an upper push rod 5b slidably connected to the lower push rod 5a along the length extending direction of the lower push rod 5a, and a push rod 5c having one end rotatably connected to the upper end of the upper push rod 5b, and the other ends of the push rods 5c on both sides are rotatably connected.

When the stroller is in the unfolded state, in each side bracket, the upper end part of the front wheel bracket 3 is pivotally connected with the front part of the seat rod 6, the lower end part of the grab bar 8 is pivotally connected with the front part of the seat rod 6, the upper end part of the grab bar 8 is pivotally connected with the lower part of the lower push rod 5a, the lower end part of the lower push rod 5a is pivotally connected with the slide rod 7, the front end part of the connecting rod 9 is mutually pivotally connected with the front wheel bracket 3, and the rear end part of the connecting rod 9 is rotationally connected with the slide rod 7. Specifically, the pedal plates 21 are provided on the front wheel brackets 3 on both sides, and the front end portions of the links 9 are rotatably connected to the pedal plates 21 through connectors.

In this example, as shown in fig. 1 and 13, each side seat bar 6 includes a seat bar body 6a extending in the front-rear direction of the stroller and a seat bar connecting portion 6b fixedly provided at the front end portion of the seat bar body 6a, and each side slide bar 7 includes a slide bar body 7a slidably connected to the seat bar body 6a and a slide bar connecting portion 7b fixedly provided at the rear end portion of the slide bar body 7 a. The upper end of the front wheel bracket 3 is pivotally connected to the lower end of the seat bar connecting portion 6b, the lower end of the grab bar 8 is pivotally connected to the upper end of the seat bar connecting portion 6b, the lower end of the push rod 5a is pivotally connected to the upper end of the slide rod connecting portion 7b, the slide rod body 7a is slidably connected to the seat bar body 6a along the extending direction of the seat bar body 6a, and the rear wheel bracket 4 is slidably connected to the seat bar body 6a along the extending direction of the seat bar body 6 a.

Specifically, the interior of the seat bar body 6a is provided with a containing cavity along the sliding direction, the slide bar body 7a and the rear wheel bracket 4 are respectively inserted into the containing cavity in a sliding way, when the stroller is in the unfolded state, most of the slide bar body 7a slides into the containing cavity of the seat bar body 6a, and most of the rear wheel bracket 4 slides out of the containing cavity of the seat bar body 6 a; when the stroller is in the folded state, a majority of the slide bar body 7a slides out of the receiving cavity of the seat bar body 6a, and a majority of the rear wheel bracket 4 slides into the receiving cavity of the seat bar body 6 a.

The trolley frame also comprises a backrest frame arranged between the two side brackets, wherein the backrest frame comprises a backrest rod 10 respectively arranged on the two side sliding rods 7, a first rod 11 and a second rod 12, one end of which are respectively and pivotally connected with the two side backrest rods 10, a third rod 13 and a fourth rod 14, one end of which are respectively and pivotally connected with the two side backrest rods 10, the third rod 13 and the fourth rod 14 are respectively and alternately and pivotally connected, the other end of the third rod 13 is pivotally connected with the other end of the first rod 11, and the other end of the fourth rod 14 is pivotally connected with the other end of the second rod 12. In this example, the lower end portions of the backrest bars 10 on both sides are rotatably connected to the upper end portions of the slide bar connecting portions 7b on both sides.

The trolley frame also comprises transverse brackets arranged between the side brackets at the two sides, when the trolley is converted from an unfolding state to a folding state, the sliding rods 7 slide on the seat rods 6, so that the side brackets at the two sides are transversely close to each other under the drive of the transverse brackets, and the rear wheel brackets 4 slide forwards relative to the seat rods 6 under the drive of the transverse brackets.

As shown in fig. 3, the cross bracket includes a fifth lever 15, a sixth lever 16, a seventh lever 17, and an eighth lever 18, which are cross-pivotally connected to the fifth lever 15, one end of the sixth lever 16, and the front ends of the seat bars 6 on both sides, respectively, are pivotally connected to each other, and the other end of the fifth lever 15, and the other end of the sixth lever 16, and the slide bars 7 on both sides, respectively; one end portion of the seventh lever 17 and one end portion of the eighth lever 18 are pivotally connected to rear end portions of the seat posts 6 on both sides, respectively, and the other end portion of the seventh lever 17 and the other end portion of the eighth lever 18 are pivotally connected to front portions of the rear wheel brackets 4 on both sides, respectively. When the stroller is in the unfolded state, in the extending direction of the seat bar 6 on each side, the rotational connection of the fifth bar 15 and the seat bar 6 is located in front of the rotational connection of the sixth bar 16 and the slide bar 7, the rotational connection of the sixth bar 16 and the seat bar 6 is located in front of the rotational connection of the fifth bar 15 and the slide bar 7, the rotational connection of the seventh bar 17 and the seat bar 6 is located behind the rotational connection of the eighth bar 18 and the rear wheel bracket 4, and the rotational connection of the eighth bar 18 and the seat bar 6 is located behind the rotational connection of the seventh bar 17 and the rear wheel bracket 4. When the stroller is converted from the unfolded state to the folded state, the sliding rods 7 on the two sides slide backwards on the seat rod 6, so as to drive the fifth rod 15 or the sixth rod 16 to slide reversely and detachably relative to the seat rod 6 with respect to the rear wheel bracket 4.

The cart frame also comprises a first cross rod 19 and a second cross rod 20, wherein one end part of the first cross rod 19 is rotatably connected with the rear end parts of the rear wheel brackets 4 at the two sides respectively, and the other end part of the first cross rod 19 is rotatably connected with the other end part of the second cross rod 20.

As shown in fig. 1 to 3, when the stroller is in the unfolded state, the slide bar 7 is mostly located in the seat bar 6 and overlaps with the seat bar 6, and the rear wheel bracket 4 mostly slides out of the seat bar 6.

When the child stroller is folded, as shown in fig. 4 to 9, the upper push rod 5b slides down and the lower push rod 5a is folded, and simultaneously turns forward with the lower push rod 5a, and pulls the slide rod 7 to slide backward, and the longitudinal direction is that: as shown in fig. 4 to 5 and fig. 7 to 8, the lower push rod 5a is turned forward to be close to the grab rail 8 and the seat bar 6, the connecting rod 9 is pulled to be backward in the backward sliding process of the slide rod 7, the front wheel bracket 3 is pulled to be turned backward to be close to the seat bar 6, and the rear wheel bracket 4 is simultaneously slid forward to be close to the seat bar 6 under the linkage of the transverse bracket, so that the front wheel assembly 1 and the rear wheel assembly 2 are close to each other; transverse direction: referring to fig. 6 and 9, in the process of sliding the slide bar 7 backward, the end portion of the fifth bar 15 connected with the slide bar 7 and the end portion of the sixth bar 16 connected with the slide bar 7 are pulled to move backward so as to enable the fifth bar 15 and the sixth bar 16 to be folded mutually, and meanwhile, the end portion of the seventh bar 17 connected with the rear wheel bracket 4 and the end portion of the eighth bar 18 connected with the rear wheel bracket 4 are driven to move forward, so that the seventh bar 17 and the eighth bar 18 are folded mutually and further drive the two side brackets to be transversely folded mutually, and finally, folding is completed, as shown in fig. 10-12, most of the rear wheel bracket 4 slides into the seat bar 6 to coincide with the seat bar 6, most of the slide bar 7 slides out of the seat bar 6, and all of the seat bar 6, the rear wheel bracket 4 and the slide bar 7 are folded with the front wheel bracket 3, the grab bar 8 and the push bar 5, and the side brackets on two sides are folded between the rear wheel assemblies 2 on two sides.

The slide bar 7 is turned over by the operation push rod 5 to pull the slide bar to slide backwards, and the transverse support is linked, so that the frame of the trolley is completely and transversely folded longitudinally, the folding operation is convenient, and the volume of the folded trolley is small.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a children's shallow, has folding state and expansion state, is in including folding shallow frame, setting are in the front wheel subassembly and the setting of shallow frame bottom the rear wheel subassembly at rear, the shallow frame is including being located children's shallow left and right sides's side support, every side the side support is including being equipped with the front wheel support of front wheel subassembly, be equipped with rear wheel support, handrail and the push rod of rear wheel subassembly, its characterized in that: the side brackets on each side further comprise seat rods, sliding rods and connecting rods, wherein the sliding rods are in sliding connection with the seat rods, and the seat rods are also in sliding connection with the rear wheel brackets; when the child stroller is in the deployed state,

2. The stroller of claim 1, wherein: when the child cart is converted from an unfolding state to a folding state, the push rod is operated to rotate, the slide rod is driven to slide backwards, the front wheel support and the seat rod are driven to be mutually closed by the connecting rod, the rear wheel support and the seat rod are driven by the transverse support to be mutually closed, and the side supports on two sides are driven by the transverse support to be transversely mutually closed.

3. The stroller of claim 1, wherein: when the child stroller is in the unfolded state, the rear wheel brackets on each side extend in the front-rear direction of the child stroller, and the rear wheel assemblies are arranged at the rear end parts of the rear wheel brackets.

4. The stroller of claim 1, wherein: the trolley frame also comprises a backrest frame, wherein the backrest frame comprises backrest rods respectively arranged on the two sides of the sliding rods or the two sides of the sliding rods, a first rod and a second rod, one end of each first rod is respectively and rotatably connected with the backrest rods, one end of each second rod is respectively and rotatably connected with the backrest rods, a third rod and a fourth rod are respectively and rotatably connected with the backrest rods, the other end of each third rod is rotatably connected with the other end of the first rod or the other end of the second rod, and the other end of the fourth rod is rotatably connected with the other end of the second rod or the other end of the first rod.

5. The stroller of claim 4, wherein: the lower end parts of the backrest rods on the two sides are rotatably arranged on the lower part of the push rod or the slide rod.

6. The stroller of claim 1, wherein: the cart frame also comprises foot pedals arranged on the front wheel brackets at two sides, and the front ends of the connecting rods at two sides are respectively connected to the foot pedals in a rotating way through connecting pieces.

7. The stroller of any one of claims 1-6, wherein: the transverse bracket comprises a fifth rod, a sixth rod, a seventh rod and an eighth rod, wherein the sixth rod is in cross rotation connection with the fifth rod;

8. The stroller of claim 7, wherein: when the child stroller is in the unfolded state, each side of the seat rod extends along the front-rear direction of the child stroller, and the rotary connection position of the fifth rod or the sixth rod and the seat rod is positioned in front of the rotary connection position of the seventh rod or the eighth rod and the seat rod.

9. The stroller of claim 8, wherein: when the child stroller is in the unfolded state, in the extending direction of the seat rod at each side, the rotation connection position of the fifth rod and the seat rod is positioned in front of the rotation connection position of the sixth rod and the sliding rod, or the rotation connection position of the sixth rod and the seat rod is positioned in front of the rotation connection position of the fifth rod and the sliding rod; and/or the number of the groups of groups,

when the child stroller is in the unfolded state, in the extending direction of the seat bar on each side, the rotation connection position of the seventh bar and the seat bar is located at the rear of the rotation connection position of the eighth bar and the rear wheel bracket, or the rotation connection position of the eighth bar and the seat bar is located at the rear of the rotation connection position of the seventh bar and the rear wheel bracket.

10. The stroller of any one of claims 1-5, wherein: when the child stroller is in the unfolded state, the rotation axis of the rear wheel assembly is higher than that of the front wheel assembly; and/or when the child stroller is in a folded state, the stroller frame is folded between the rear wheel assemblies on both sides.