CN219056333U

CN219056333U - Child cart

Info

Publication number: CN219056333U
Application number: CN202222928774.3U
Authority: CN
Inventors: 高翔; 王俊马; 黄益明
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-05-23
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to a child stroller, which comprises a frame with an unfolding state and a folding state, wherein the frame comprises side brackets positioned at the left side and the right side of the child stroller, each side bracket comprises a front wheel bracket, a rear wheel bracket, a push rod, a seat rod, a grab bar, a connecting rod, a stay rod, a sliding piece and a transverse bracket, wherein the sliding piece is slidingly connected to the seat rod; one end parts of the first cross rod and the second cross rod are respectively connected with seat rods on two sides in a rotating way, the other end parts of the first cross rod and the second cross rod are respectively connected with the upper parts of rear wheel brackets on two sides or sliding parts in a rotating way, one end parts of the third cross rod and the fourth cross rod are respectively connected with the rear parts of seat rods on two sides in a rotating way, and the other end parts of the third cross rod and the fourth cross rod are respectively connected with rear wheel brackets on two sides in a rotating way. The baby stroller can realize transverse and longitudinal bidirectional folding, is convenient to fold, has small volume after folding, and is convenient to carry.

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, in the existing market, a stroller capable of being folded transversely and longitudinally is often easy to twist between side brackets on two sides during folding, and the folding operation is poor in smoothness.

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, small volume after folding and smooth folding operation.

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

the child stroller comprises a frame with an unfolding state and a folding state, a front wheel assembly, a rear wheel assembly and a locking mechanism for locking the frame in the unfolding state, wherein the frame comprises side brackets which are positioned at the left side and the right side of the child stroller and are symmetrically arranged, each side bracket comprises a front wheel bracket with the front wheel assembly at the lower part, a rear wheel bracket with the rear wheel assembly at the lower part, a push rod and a seat rod extending along the front-rear direction of the child stroller, and each side bracket further comprises a handrail rod, a connecting rod, a stay rod and a sliding piece which is connected to the seat rod in a sliding manner along the length direction of the seat rod;

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;

two of the lower part of the push rod, the upper part of the connecting rod and the upper part of the supporting rod are connected in a pivot way, and a third is connected on one of the two in a pivot way, or the lower part of the push rod, the upper part of the connecting rod and the upper part of the supporting rod are connected in a pivot way around the same rotation center;

the lower part of the push rod is also in pivot connection with the upper part of the grab bar, the lower part of the support rod is in pivot connection with the rear wheel bracket, the support rod is also in pivot connection with the seat rod, and the upper part of the rear wheel bracket is in pivot connection with the sliding piece;

the frame also comprises a transverse bracket arranged between the side brackets at two sides, wherein the transverse bracket comprises a first transverse rod, a second transverse rod, a third transverse rod and a fourth transverse rod, the second transverse rod and the third transverse rod are arranged in a crossed and rotating mode, one end part of the first transverse rod is respectively connected with the seat rods at two sides through first connecting pieces in a rotating mode, the other end part of the first transverse rod is respectively connected with the upper parts of the rear wheel brackets at two sides or the sliding parts in a rotating mode through second connecting pieces, one end part of the third transverse rod is respectively connected with the rear parts of the seat rods at two sides through third connecting pieces, and the other end part of the third transverse rod is respectively connected with the rear wheel brackets at two sides through fourth connecting pieces in a rotating mode.

According to some embodiments of the utility model, in the side brackets of each side, the slide is located between a junction of the seat bar and the front wheel bracket or the armrest bar, a junction of the first connection member and the seat bar.

According to some embodiments of the utility model, in the side brackets on each side of the stroller in the unfolded state, the third link is located behind the first link on the seat post; on the rear wheel bracket, the fourth connecting piece is positioned below the second connecting piece.

According to some embodiments of the utility model, in the side brackets on each side, the first link, the seat bar, and the stay are connected by the same pivot, and the second link, the rear wheel bracket, and the slider are connected by the same pivot;

the first link on each side is also pivotally connected to the first rail or the second rail, and the second link on each side is also pivotally connected to the first rail or the second rail.

According to some embodiments of the utility model, in the side brackets on each side, the fourth link, the strut, the rear wheel bracket are pivotally connected by the same pivot, the fourth link also being pivotally connected to the third or fourth rail.

According to some embodiments of the utility model, the sliding member is a sliding sleeve slidably sleeved on the seat post.

According to some embodiments of the utility model, the grab bar and the connecting rod extend obliquely from bottom to top along the front-back direction of the stroller respectively, and the stay bar extends along the up-down direction of the stroller when the stroller is in the unfolded state.

Further, the grab rail and the connecting rod are respectively arc-shaped bent rods, the grab rail is bent downwards from the lower end part to the upper end part, and the connecting rod is bent upwards from the lower end part to the upper end part.

Further, in the side brackets of each side, a lower portion of the stay is rotatably connected to a middle portion of the rear wheel bracket.

Further, in the side brackets of each side, the fourth link is rotatably connected to a middle or lower portion of the rear wheel bracket.

Further, in the side brackets on each side, the grab rail, the front wheel bracket and the seat rail are connected through the same pivot, and the connection part of the connecting rod and the front wheel bracket is positioned below the connection part of the grab rail or the seat rail and the front wheel bracket.

Further, in the side brackets on each side, the push rod, the connecting rod and the supporting rod are connected through the same pivot, the connection part of the grab bar and the push rod is positioned above the connection part of the connecting rod or the supporting rod and the push rod, and the seat rod is connected in a rotating way at the middle part of the supporting rod.

Further, in the side brackets on each side, the push rod comprises a lower push rod, an upper push rod with the lower part pivotally connected with the upper part of the lower push rod, and a push handle rod with one end pivotally connected with the upper part of the upper push rod, wherein the upper part of the handle rod, the upper part of the connecting rod and the upper part of the support rod are respectively pivotally connected with the lower part of the lower push rod, and the other ends of the push handle rods on the two sides of the side brackets are pivotally connected.

According to some embodiments of the utility model, the frame further comprises one or more telescopic rod assemblies arranged between the side brackets at two sides, each telescopic rod assembly comprises a first telescopic rod extending along the left-right direction of the stroller and a second telescopic rod connected with the first telescopic rod in a sliding manner along the length direction of the first telescopic rod, one end part of the first telescopic rod and one end part of the second telescopic rod are respectively connected with the side brackets at two sides, and the other end part of the first telescopic rod and the other end part of the second telescopic rod are connected in a sliding manner.

Further, one or more telescopic rod assemblies are arranged between the front wheel brackets at two sides, and one end part of the first telescopic rod and one end part of the second telescopic rod of each telescopic rod assembly are fixedly connected with the front wheel brackets at two sides respectively.

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

the baby stroller can realize transverse and longitudinal bidirectional folding, is convenient to fold, has small volume after folding and is convenient to carry, and two cross supports formed by the first cross rod, the second cross rod, the third cross rod and the fourth cross rod are arranged among side supports of each side, so that folding operation is more stable and smooth, and side supports on two sides are prevented from being distorted during transverse 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 side view of the stroller of FIG. 1 in a semi-collapsed condition;

FIG. 4 is a perspective view of the stroller of FIG. 1 in a folded condition;

FIG. 5 is a side view of the stroller of FIG. 1 in a folded condition;

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; 7. a grab rail; 8. a connecting rod; 9. a brace rod; 10. a slider; 11. a first cross bar; 12. a second cross bar; 13. a first connector; 14. a second connector; 15. a third cross bar; 16. a fourth cross bar; 17. a third connecting member; 18. a fourth connecting member; 19. a first telescopic rod; 20. a second telescopic rod;

A. a first pivot; B. a second pivot; C. a third pivot; D. a fourth pivot; E. a fifth pivot; F. a sixth pivot; G. a seventh pivot; H. and a tenth pivot.

Detailed Description

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

referring to figures 1 to 5, a stroller comprises a frame having an expanded state and a collapsed state, a front wheel assembly 1 and a rear wheel assembly 2.

The frame is including being located the side support that children's shallow left and right sides just set up symmetrically, and the side support of every side includes that the lower part is equipped with front wheel support 3 of front wheel subassembly 1, the rear wheel support 4 of rear wheel subassembly 2 is equipped with to the lower part, push rod 5, along the seat pole 6 of children's shallow fore-and-aft direction extension, along the handrail pole 7 of children's shallow fore-and-aft direction by supreme slope extension down, along the connecting rod 8 of children's shallow fore-and-aft direction by supreme slope extension down, along the stay bar 9 of children's shallow up-and-down direction slope extension and along the slider 10 on seat pole 6 of length direction sliding connection of seat pole 6.

Specifically, in the side brackets on each side, the grab rail 7 and the connecting rod 8 are respectively arc-shaped bent rods, the grab rail 7 is bent downwards from the lower end to the upper end, and the connecting rod 8 is bent upwards from the lower end to the upper end; the push rod 5 comprises a lower push rod 5a, an upper push rod 5b with the lower part pivotally connected with the upper part of the lower push rod 5a, and a push rod 5c with one end pivotally connected with the upper part of the upper push rod 5b, and the other ends of the push rods 5c of the side brackets on both sides are pivotally connected.

Referring to fig. 2, in the side brackets of each side, the upper part of the front wheel bracket 3, the front part of the seat post 6, and the lower part of the grab rail 7 are rotatably connected by a first pivot a; the upper part of the front wheel bracket 3 is also rotationally connected with the lower part of the connecting rod 8 through a second pivot B; the lower part of the lower push rod 5a, the upper part of the connecting rod 8 and the upper part of the supporting rod 9 are rotationally connected through a third pivot C, and the lower part of the lower push rod 5a is rotationally connected with the upper part of the grab rail 7 through a fourth pivot D; the middle part of the seat rod 6 is rotationally connected with the middle part of the stay rod 9 through a fifth pivot E; the lower part of the stay bar 9 is rotationally connected with the middle part of the rear wheel bracket 4 through a sixth pivot F; the upper portion of the rear wheel bracket 4 is rotatably connected to the slider 10 through a seventh pivot G. On the front wheel bracket 3, the second pivot B is located below the first pivot a; on the push down lever 5a, the third pivot C is located below the fourth pivot D.

In the unfolded state of the stroller, the first pivot a, the second pivot B, the third pivot C, the fourth pivot D, the fifth pivot E, the sixth pivot F, and the seventh pivot G extend in the left-right direction of the stroller, respectively.

Referring to fig. 1, the frame further includes a cross bracket disposed between the side brackets on both sides, the cross bracket including a first cross bar 11, a second cross bar 12, a third cross bar 15, and a fourth cross bar 16, which are pivotally disposed to cross the first cross bar 11, and are pivotally disposed to cross the third cross bar 15, one end of the first cross bar 11 and one end of the second cross bar 12 are pivotally connected to the seat bars 6 on both sides through first connectors 13, respectively, the other end of the first cross bar 11 and the other end of the second cross bar 12 are pivotally connected to the upper portions of the rear wheel brackets 4 on both sides through second connectors 14, respectively, one end of the third cross bar 15 and one end of the fourth cross bar 16 are pivotally connected to the rear portions of the seat bars 6 on both sides through third connectors 17, respectively, and the other end of the third cross bar 15 and the other end of the fourth cross bar 16 are pivotally connected to the middle portions of the rear wheel brackets 4 on both sides through fourth connectors 18, respectively.

In the side brackets of each side, the first connecting piece 13, the seat rod 6 and the stay rod 9 are rotatably connected through a fifth pivot E, the first connecting piece 13 is also rotatably connected with the first cross rod 11 or the second cross rod 12 through an eighth pivot, and the fifth pivot E and the eighth pivot are vertical; the second connecting piece 14, the sliding piece 10 and the rear wheel bracket 4 are rotationally connected through a seventh pivot G, the second connecting piece 14 is rotationally connected with the first cross rod 11 or the second cross rod 12 through a ninth pivot, and the seventh pivot G is vertical to the ninth pivot; the third connecting piece 17 is rotatably connected with the seat rod 6 through a tenth pivot H, the third connecting piece 17 is also rotatably connected with the third cross rod 15 or the fourth cross rod 16 through an eleventh pivot, and the tenth pivot H is perpendicular to the eleventh pivot; the fourth link 18 is rotatably connected to the rear wheel bracket 4 by a twelfth pivot, the fourth link 18 is also rotatably connected to the third rail 15 or the fourth rail 16 by a thirteenth pivot, the twelfth pivot is perpendicular to the thirteenth pivot, and the twelfth pivot may be coaxial with the sixth pivot F.

Referring to fig. 2, in the side brackets at each side of the stroller in the unfolded state, the first pivot a, the slider 10, the fifth pivot E, and the tenth pivot H are sequentially distributed from the front-rear direction of the seat bar 6 on the seat bar 6.

In this example, the sliding member 10 is a sliding sleeve slidably sleeved on the seat rod 6, the first connecting member 13 and the second connecting member 14 are respectively L-shaped connecting members, and the third connecting member 17 and the fourth connecting member 18 are respectively U-shaped connecting members.

The frame further comprises one or more telescopic rod assemblies arranged between the side supports on two sides, in this example, two telescopic rod assemblies are arranged between the front wheel supports 3 on two sides, the two telescopic rod assemblies are respectively located on the upper portion and the lower portion of the front wheel supports 3, each telescopic rod assembly comprises a first telescopic rod 19 extending in the left-right direction of the stroller and a second telescopic rod 20 slidably connected with the first telescopic rod 19 along the length direction of the first telescopic rod 19, one end portion of the first telescopic rod 19 and one end portion of the second telescopic rod 20 are fixedly connected with the front wheel supports 3 on two sides respectively, and the other end portion of the first telescopic rod 19 and the other end portion of the second telescopic rod 20 are slidably connected. The telescopic link subassembly sets up further makes children's shallow folding more smooth and easy.

The child stroller further includes a locking mechanism for locking the frame in the unfolded state, and the structure of the locking mechanism is not limited as long as the child stroller can be locked in the unfolded state, and an existing conventional locking mechanism is adopted.

The folding principle of the baby carriage is as follows:

as shown in fig. 1-2, the stroller is in the unfolded state with the slider 10 positioned in the middle of the seat post 6 and near the first connector 13. When the child stroller is to be folded, the locking mechanism is unlocked, and the lower push rod 5a and the upper push rod 5b are turned forward together, as shown in fig. 3, in the longitudinal direction: the upper end part of the grab rail 7, the upper end part of the connecting rod 8 and the upper end part of the supporting rod 9 are respectively turned towards the direction close to the rear wheel bracket 4 and are close to the rear wheel bracket 4, the connecting rod 8 pulls the front wheel bracket 3 to be close to the rear wheel bracket 4, the rear part of the seat rod 6 is turned downwards and is close to the rear wheel bracket 4, and meanwhile, the rear wheel bracket 4 drives the sliding piece 10 to slide on the seat rod 6 from the middle part of the seat rod 6 to the front part of the seat rod 6, so that longitudinal folding is completed; on the other hand, the transverse folding: in the process of sliding the sliding piece 10 on the seat rod 6 from the middle part of the seat rod 6 to the front part of the seat rod 6, the rear wheel bracket 4 drives one end part of the first cross rod 11 and one end part of the second cross rod 12 to move forwards, so that the first cross rod 11 and the second cross rod 12 are close to each other, the seat rod 6 and the rear wheel bracket 4 drive the third cross rod 15 and the fourth cross rod 16 to be folded and closed in the process of closing the seat rod 6 and the rear wheel bracket 4, and simultaneously the first telescopic rod 19 and the second telescopic rod 20 are telescopic and slide and folded, and the pushing rods 5c of the side brackets are folded and closed to finally finish transverse folding. The upper push rod 5b and the lower push rod 5a are then folded. After the stroller is longitudinally and transversely folded, as shown in fig. 4 to 5, the front wheel support 3, the rear wheel support 4, the lower push rod 5a, the upper push rod 5b, the seat rod 6, the grab bar 7, the connecting rod 8 and the supporting rod 9 are mutually close, in the left-right direction of the stroller, the grab bar 7, the lower push rod 5a (or the front wheel support 3), the connecting rod 8, the supporting rod 9, the seat rod 6 and the rear wheel support 4 of each side support are sequentially distributed, the grab bars 7 of the side supports on the two sides are respectively positioned on the outer sides, the first cross rod 11 and the second cross rod 12 are folded close and positioned between the rear wheel supports 4 on the two sides, the third cross rod 15 and the fourth cross rod 16 are folded close and positioned between the rear wheel supports 4 on the two sides, the push bars 5c on the two sides are folded close and positioned between the lower push rods 5a on the two sides, and the first cross rod 11 and the second cross rod 12 are positioned between the push bars 5c on the two sides, the third cross rod 15 and the fourth cross rod 16 are small in size, and the whole stroller is convenient to carry.

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, includes the frame that has the state of expanding and folding state, front wheel subassembly, rear wheel subassembly and is used for locking the frame in the state of expanding, the frame includes the side support that is located the left and right sides of children's shallow and symmetry set up, the side support of each side includes the front wheel support that the lower part is equipped with the front wheel subassembly, the rear wheel support that the lower part is equipped with the rear wheel subassembly, push rod and along the seat pole that the fore-and-aft direction of children's shallow extends, characterized in that, the side support of each side still includes grab rail, connecting rod, vaulting pole and along the slider of the length direction sliding connection on the seat pole of seat pole;

2. The stroller of claim 1, wherein: in the side brackets on each side, the sliding piece is positioned between the connection part of the seat rod and the front wheel bracket or the armrest rod and the connection part of the first connecting piece and the seat rod; and/or the number of the groups of groups,

in the side brackets on each side of the stroller in the deployed state, the third connector is located rearward of the first connector on the seat post; on the rear wheel bracket, the fourth connecting piece is positioned below the second connecting piece.

3. A stroller according to claim 1 or 2, wherein: in the side brackets on each side, the first connecting piece, the seat rod and the supporting rod are connected through the same pivot, and the second connecting piece, the rear wheel bracket and the sliding piece are connected through the same pivot;

the first link on each side is also pivotally connected to the first rail or the second rail, and the second link on each side is also pivotally connected to the first rail or the second rail;

and/or, in the side brackets on each side, the fourth connecting piece, the stay bar and the rear wheel bracket are connected through the same pivot, and the fourth connecting piece is also connected with the third cross bar or the fourth cross bar in a pivot way.

4. A stroller according to claim 1 or 2, wherein: the sliding piece is a sliding sleeve which is sleeved on the seat rod in a sliding way.

5. The stroller of claim 1, wherein: when the child stroller is in the unfolded state, the grab bars and the connecting rods respectively extend obliquely from bottom to top along the front-back direction of the child stroller, and the supporting rods extend along the up-down direction of the child stroller.

6. The stroller of claim 5, wherein: the grab rail and the connecting rod are arc-shaped bent rods respectively, the grab rail is bent downwards from the lower end to the upper end, and the connecting rod is bent upwards from the lower end to the upper end.

7. The stroller of claim 1, wherein: in the side brackets on each side, the lower parts of the supporting rods are rotatably connected with the middle parts of the rear wheel brackets; and/or the number of the groups of groups,

in the side brackets on each side, the fourth connecting piece is rotatably connected to the middle part or the lower part of the rear wheel bracket; and/or the number of the groups of groups,

in the side brackets on each side, the grab rail, the front wheel bracket and the seat bar are connected through the same pivot, and the connection part of the connecting rod and the front wheel bracket is positioned below the connection part of the grab rail or the seat bar and the front wheel bracket; and/or the number of the groups of groups,

in the side brackets on each side, the push rod, the connecting rod and the supporting rod are connected through the same pivot, the connection part of the grab rail and the push rod is positioned above the connection part of the connecting rod or the supporting rod and the push rod, and the seat rod is connected in a rotating way at the middle part of the supporting rod; and/or the number of the groups of groups,

in the side brackets on each side, the push rod comprises a lower push rod, an upper push rod, and a push handle rod, wherein the lower part of the upper push rod is in pivot connection with the upper part of the lower push rod, one end of the push handle rod is in pivot connection with the upper part of the upper push rod, the upper part of the handle rod, the upper part of the connecting rod and the upper part of the supporting rod are respectively in pivot connection with the lower part of the lower push rod, and the other ends of the push handle rods on the two sides of the side brackets are in pivot connection.

8. The stroller of any one of claims 1-2, 5-7, wherein: the frame is characterized by further comprising one or more telescopic rod assemblies arranged between the side brackets on two sides, each telescopic rod assembly comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is arranged along the left-right direction of the stroller in an extending mode, the second telescopic rod is connected with the first telescopic rod in a sliding mode along the length direction of the first telescopic rod, one end portion of the first telescopic rod and one end portion of the second telescopic rod are connected with the side brackets on two sides respectively, and the other end portion of the first telescopic rod and the other end portion of the second telescopic rod are connected in a sliding mode.

9. The stroller of claim 8, wherein: one or more telescopic rod assemblies are arranged between the front wheel brackets at two sides, and one end part of the first telescopic rod and one end part of the second telescopic rod of each telescopic rod assembly are fixedly connected with the front wheel brackets at two sides respectively.