CN212637627U

CN212637627U - Children's vehicle

Info

Publication number: CN212637627U
Application number: CN202021554617.5U
Authority: CN
Inventors: 闫德锋; 刘伟
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-02
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a perambulator, its frame includes the frame, and the frame encloses frame, chassis subassembly after enclosing frame, before the frame sets up relatively, when the frame is folding, before the chassis subassembly is folded up and encloses the frame and enclose the frame after and draw in each other along the fore-and-aft direction, this frame still includes respectively along preceding grudging post and the back grudging post of upper and lower direction extension, and preceding grudging post is located on enclosing the frame along upper and lower direction with sliding, and back grudging post is located after along upper and lower direction with sliding, and the front wheel subassembly is located the bottom of preceding grudging post, the rear wheel subassembly of back grudging post are provided with between preceding grudging post and the frame and can order about the preceding link gear that the frame slided in before enclosing the frame relatively when the frame is folding, and back grudging post and enclosing the rear link gear that the frame slided in after the frame was ordered about relatively when the frame is folding. When the frame is folded, the front enclosing frame and the front vertical frame slide relatively, and the rear enclosing frame and the rear vertical frame slide relatively to each other to be folded, so that the overall height of the folded baby carriage is reduced.

Description

Children's vehicle

Technical Field

The invention relates to a child vehicle, in particular to a foldable child vehicle.

Background

In the prior art, the trailer or the hand buggy mainly comprises a trailer frame with wheel assemblies arranged at the lower part and a traction rod arranged at the front part of the trailer frame, the trailer frame usually comprises a front wheel bracket, a rear wheel bracket and an enclosing frame connected between the front wheel bracket and the upper part of the rear wheel bracket, the front wheel bracket and the rear wheel bracket enclose the frame relatively and can rotate, and the enclosing frame is usually also arranged into a foldable structure for the convenience of folding the trailer frame. The trailer is required to have larger bearing capacity, sufficient safety and durability, so that most of the trailers are larger in size after being folded at present, occupy large space when not used, and influence storage and carrying.

Disclosure of Invention

The invention aims to provide a baby carriage with small volume after being folded.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a child's bike, including the frame that has expansion state and fold condition, locate the front wheel subassembly and the rear wheel subassembly of frame bottom, the frame includes folding frame, the frame is including the preceding frame that encloses that sets up relatively and enclose the frame after with and enclose the chassis subassembly that just can fold up along the fore-and-aft direction relatively between the frame after, when the frame is folding, the chassis subassembly fold up just preceding frame with enclose the frame after and draw in each other along the fore-and-aft direction, the frame still includes respectively along preceding grudging post and the back grudging post that extends from top to bottom direction, preceding grudging post is located along upper and lower direction with sliding on the preceding frame, back grudging post is located along upper and lower direction with sliding on the frame after, the front wheel subassembly is located the bottom of preceding grudging post, the rear wheel subassembly is located the bottom of back grudging post, preceding grudging post with be provided with can order about when the frame is folding preceding grudging post is relative before The frame slides and draws in preceding link gear, back grudging post with be provided with between the frame and can order about when the frame is folding back grudging post is relative enclose the frame and slide the back link gear who draws in behind.

Preferably, the chassis assembly at least comprises a front support frame and a rear support frame which extend along the front-rear direction respectively, the rear part of the front support frame is rotatably connected with the front part of the rear support frame, and when the frame is folded, the front support frame and the rear support frame are relatively rotated and folded in the vertical direction and are positioned between the front enclosure frame and the rear enclosure frame.

Further, the front linkage mechanism comprises a front connecting rod which is rotationally connected between the front vertical frame and the front support frame, the rear linkage mechanism comprises a rear connecting rod which is rotationally connected between the rear vertical frame and the rear support frame, when the frame is folded, the front connecting rod drives the front enclosing frame to move downwards along the front vertical frame, and the rear connecting rod drives the rear enclosing frame to move downwards along the rear vertical frame.

Furthermore, the front vertical frame comprises two groups of front vertical rods which are respectively arranged at the left side and the right side, the lower part of each group of front vertical rods is provided with the front wheel assembly, and the two groups of front vertical rods are respectively arranged at the left side and the right side of the front enclosure frame in a sliding manner; the rear vertical frame comprises two groups of rear vertical rods which are respectively arranged at the left side and the right side, the lower part of each rear vertical rod is provided with the rear wheel assembly, and the two groups of rear vertical rods are respectively arranged at the left side and the right side of the rear enclosure frame in a sliding manner.

As a specific implementation manner, the front enclosure frame includes two sets of front enclosure rods respectively disposed on the left and right sides and extending in the vertical direction, the rear enclosure frame includes two sets of rear enclosure rods respectively disposed on the left and right sides and extending in the vertical direction, the front enclosure rods are slidably disposed on the front enclosure rods on the same side as the front enclosure rods along the length extending direction of the front enclosure rods, the rear enclosure rods are slidably disposed on the rear enclosure rods on the same side as the rear enclosure rods along the length extending direction of the rear enclosure rods, and the front wheel assembly and the rear wheel assembly are both located outside the frame.

As a specific implementation manner, a group of the front connecting rods is arranged between each group of the front upright stanchions and the front support frame; and a group of rear connecting rods is arranged between each group of rear upright rods and the rear support frame.

The chassis assembly further comprises a front chassis and a rear chassis which extend in the front-rear direction, the front portion of the front chassis is rotatably connected to the front surrounding frame, the rear portion of the rear chassis is rotatably connected to the rear surrounding frame, the rear portion of the front chassis is rotatably connected to the front portion of the rear chassis, the front chassis and the rear chassis are located below the front support frame and the rear support frame, the front portion of the front support frame is rotatably connected to the front chassis, the rear portion of the rear support frame is rotatably connected to the rear chassis, and when the frame is folded, the front chassis and the rear chassis are relatively rotated and folded in the horizontal direction.

Still further, the preceding chassis with enclose between the frame before with and rotate through the primary shaft and connect, preceding chassis with the back chassis rotates through the secondary shaft and connects, the back chassis with enclose the frame after with and rotate through the third axle and connect, the axial lead of primary shaft, secondary shaft and third axle all extends along vertical direction, the anterior of preceding support frame with between the anterior of preceding chassis, the rear portion of back support frame with connect through the universal joint ground respectively between the rear portion of back chassis rotationally, the rear portion of preceding support frame with connect through the fourth axle ground of rotating between the anterior of back support frame, the axial lead of fourth axle extends along the horizontal direction.

As a preferred embodiment, the front chassis and the rear chassis have two sets respectively disposed at the left and right sides, and when the frame is folded, the front chassis and the rear chassis at the two sides rotate in opposite directions.

As a specific implementation manner, the front bottom frames on both sides and the rear bottom frames on both sides are arranged in a staggered manner in the vertical direction, and when the frame is in a folded state, the front bottom frames and the rear bottom frames on both sides are respectively folded and stacked in the vertical direction.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the child bicycle, when the frame is folded, the chassis assembly is folded to drive the front enclosure frame and the rear enclosure frame to be folded in the front-rear direction, the front enclosure frame and the front upright frame are driven to slide relatively and the rear enclosure frame and the rear upright frame are driven to slide relatively and be folded relatively through the front linkage mechanism and the rear linkage mechanism, so that the overall height of the folded child bicycle is reduced, and the size of the folded frame is reduced.

Drawings

FIG. 1 is a first three-dimensional perspective view of the child's vehicle of the present invention;

FIG. 2 is a second three-dimensional perspective view of the child vehicle of the present invention;

FIG. 3 is an exploded view of the child's vehicle of the present invention;

FIG. 4 is a three-dimensional perspective view of the primary structural member of the child vehicle of the present invention;

FIG. 5 is a top plan view of the stroller of the present invention in the expanded condition;

FIG. 6 is a side elevational view of the stroller in FIG. 5 in the deployed position;

FIG. 7 is a top plan view of the child's vehicle of the present invention during folding;

FIG. 8 is a side elevational view of the stroller in FIG. 7 during folding;

FIG. 9 is a top plan view of the child's vehicle of the present invention during folding;

FIG. 10 is a side elevational view of the stroller in FIG. 9 during folding;

wherein: 1. a front support frame; 2. a rear support frame; 3. a front chassis; 4. a rear chassis; 5. a universal joint; 6. a front link; 7. a rear connecting rod; 8. a front enclosure frame; 81. a front surrounding rod; 9. a rear enclosure frame; 91. a rear surrounding rod; 10. a front upright rod; 11. a rear upright rod; 12. a pull rod; 13. a first shaft; 14. a second shaft; 15. a third axis; 16. a fourth axis; 17. a front wheel assembly; 18. a rear wheel assembly.

Detailed Description

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

Referring to fig. 1 to 10, a child's vehicle comprises a frame having an unfolded state and a folded state, and a front wheel assembly 17 and a rear wheel assembly 18 provided at the bottom of the frame. The child vehicle of the invention is specifically a child trailer, the frame comprises a foldable frame, the front part of the frame is connected with a traction rod 12, and a user can stand in front of the frame and drive the whole child vehicle to advance by pulling the traction rod 12.

The following directional terms front, rear, left, right, up, down, etc. are defined with reference to the orientation of the child trailer as viewed by a user during normal use of the child trailer in the deployed state.

Referring to fig. 1 to 10, the frame includes a front surrounding frame 8 and a rear surrounding frame 9 which are oppositely disposed, and a chassis assembly which is disposed between the front surrounding frame 8 and the rear surrounding frame 9 and can be folded relatively in a front-rear direction, when the frame is folded, the chassis assembly is folded, and the front surrounding frame 8 and the rear surrounding frame 9 are folded in the front-rear direction. The frame further comprises a front vertical frame and a rear vertical frame which extend along the vertical direction respectively, the front vertical frame is arranged on the front enclosing frame 8 in a sliding mode along the vertical direction, the rear vertical frame is arranged on the rear enclosing frame 9 in a sliding mode along the vertical direction, the front wheel assembly 17 is arranged at the bottom of the front vertical frame, the rear wheel assembly 18 is arranged at the bottom of the rear vertical frame, a front linkage mechanism which can drive the front vertical frame to slide and draw in relative to the front enclosing frame 8 when the frame is folded is arranged between the front vertical frame and the frame, and a rear linkage mechanism which can drive the rear vertical frame to slide and draw in relative to the rear enclosing frame 9 when the frame is folded is arranged between the rear vertical frame and the enclosing frame.

Specifically, the front vertical frame comprises two groups of front vertical rods 10 which are respectively arranged at the left side and the right side, the lower part of each group of front vertical rods 10 is provided with a front wheel assembly 17, and the two groups of front vertical rods 10 are respectively arranged at the left side and the right side of the front enclosure frame 8 in a relatively sliding manner; the rear vertical frame comprises two groups of rear vertical rods 11 which are respectively arranged at the left side and the right side, the lower part of each group of rear vertical rods 11 is provided with a rear wheel assembly 18, and the two groups of rear vertical rods 11 are respectively arranged at the left side and the right side of the rear enclosure frame 9 in a relatively sliding manner. When the frame is folded, the front surrounding frame 8 slides downwards relative to the front upright stanchion 10, and the rear surrounding frame 9 slides downwards relative to the rear upright stanchion 11, so that the front wheel assembly 17 and the rear wheel assembly 18 are folded at the side part of the frame, and the size of the folded frame in the height direction is reduced.

Specifically, the front enclosure frame 8 includes two sets of front bars 81 respectively disposed on the left and right sides and each extending in the up-down direction, and a plurality of front cross bars connected between the two sets of front bars 81, the two side front bars 81 and the upper front cross bar are integrally provided as a U-shaped bar with a downward opening; enclose frame 9 including dividing locate the left and right sides and all follow two sets of back surrounding rod 91 that the upper and lower direction extends to and connect the many back horizontal poles between two sets of back surrounding rod 91, enclose behind the both sides pole 91 and the integrative setting of back horizontal pole on upper portion and be the U type pole that the opening is decurrent. On each of the left and right sides of the vehicle frame, the front upright rod 10 is provided on the front rail 81 on the same side thereof so as to be relatively slidable in the longitudinal direction of the front rail 81, and the rear upright rod 11 is provided on the rear rail 91 on the same side thereof so as to be relatively slidable in the longitudinal direction of the rear rail 91.

Referring to the drawings, the chassis assembly includes front and

rear support frames

1 and 2 extending in the front-rear direction, respectively, and front and rear under

frames

3 and 4 extending in the front-rear direction, respectively. Wherein, the front chassis 3 and the rear chassis 4 are respectively provided with two groups which are respectively arranged at the left side and the right side, on each side of the frame, the front part of the front chassis 3 is rotationally connected with the front enclosing frame 8 through a first shaft 13, the rear part of the front chassis 3 is rotationally connected with the front part of the rear chassis 4 through a second shaft 14, the rear part of the rear chassis 4 is rotationally connected with the rear enclosing frame 9 through a third shaft 15, and the axial leads of the first shaft 13, the second shaft 14 and the third shaft 15 extend along the vertical direction. The front underframe 3 and the rear underframe 4 are positioned below the front support frame 1 and the rear support frame 2, the rear part of the front support frame 1 is rotatably connected with the front part of the rear support frame 2 through a fourth shaft 16, the axial lead of the fourth shaft 16 extends along the horizontal direction, and the front part of the front support frame 1 and the front part of the front underframe 1, and the rear part of the rear support frame 2 and the rear part of the rear underframe 4 are rotatably connected through universal joints 5 respectively. The front chassis 3 and the rear chassis 4 on the left and right sides are arranged in a staggered manner in the vertical direction, and here, the front chassis 3 and the rear chassis 4 on the left side are lower than the front chassis 3 and the rear chassis 4 on the right side in the height direction.

When the chassis assembly is folded, the front support frame 1 and the rear support frame 2 rotate relatively around the fourth shaft 16 and are folded relatively in the vertical direction, and the fourth shaft 16 moves upwards in the vertical direction; the front underframe 3 and the rear underframe 4 on the left side and the right side are respectively folded and stacked up in the up-down direction, specifically, in each of the left side and the right side, the front underframe 3 and the rear underframe 4 rotate relatively around the second shaft 14, the second shaft 14 on the left side moves rightwards, and the second shaft 14 on the right side moves leftwards, so that the front underframe 3 and the rear underframe 4 rotate relatively in the horizontal direction and are folded.

Referring to the drawings, the front linkage in this embodiment comprises a front link 6 pivotally connected between the front uprights and the front support 1, and the rear linkage comprises a rear link 7 pivotally connected between the rear uprights and the rear support 2. Specifically, a group of front connecting rods 6 is arranged between the front upright rod 10 and the front support frame 1 on each side, and a group of rear connecting rods 7 is arranged between the rear upright rod 11 and the rear support frame 2 on each side. When the frame is folded, the front connecting rod 6 drives the front enclosing frame 8 to move downwards along the front upright rod 10, and the rear connecting rod 7 drives the rear enclosing frame 9 to move downwards along the rear upright rod 11, so that the heights of the front enclosing frame 8 and the rear enclosing frame 9 are respectively reduced, and the overall size of the folded baby carriage is reduced.

In addition, in the present embodiment, the drawbar 12 is provided as a telescopic rod, and a lower portion thereof is rotatably connected to the bottom of the front frame 8.

Thus, when the child vehicle is in the unfolded state, as shown in fig. 1 to 6, the front support frame 1 and the rear support frame 2 are unfolded relatively in the front-rear direction on each of the left and right sides of the trailer frame, the front chassis 3 and the rear chassis 4 are unfolded relatively in the front-rear direction and are located below the front support frame 1 and the rear support frame 2, the front upright 10 is located below the front enclosure frame 8, and the rear upright 11 is located below the rear enclosure frame 9, so that the frame is supported at a high position. The trailer is pulled forward by pulling the tow bar 12.

Referring to fig. 7 and 8, the drawbar 12 is folded and fixed to the front bezel 8, and then the rotary joint between the front support frame 1 and the rear support frame 2 is lifted, so that the front support frame 1 and the rear support frame 2 rotate relatively to turn over in the vertical direction and gradually fold in the front-back direction, and the front chassis 3 and the rear chassis 4 on the left and right sides rotate relatively to each other in the horizontal direction and gradually fold in the front-back direction; meanwhile, the front support frame 1 and the rear support frame 2 respectively drive the front connecting rod 6 and the rear connecting rod 7, so that the front enclosure frame 8 slides downwards relative to the front upright rod 10, the rear enclosure frame 9 slides downwards relative to the rear upright rod 11, the distance between the bottom of the front enclosure frame 8 and the bottom of the rear enclosure frame 9 after being folded and the ground is reduced, the two sets of front wheel assemblies 17 are folded on the left side and the right side of the front enclosure frame 8, and the two sets of rear wheel assemblies 18 are folded on the left side and the right side of the rear enclosure frame 9. The folded buggy is as shown in fig. 9 and 10, and has compact structure, small height in the vertical direction and small occupied volume.

When the children's vehicle needs to be unfolded, the draw bar 12 is rotated and unfolded firstly, then the draw bar 12 is pulled forwards to drive the front surrounding frame 8 to move forwards relative to the rear surrounding frame 9, so that the front supporting frame 1 and the rear supporting frame 2 and the front chassis 3 and the rear chassis 4 can rotate relatively and gradually change to extend along the front-rear direction, under the action of the front connecting rod 6 and the rear connecting rod 7, the front surrounding frame 8 moves upwards relative to the front upright rod 10, the rear surrounding frame 9 moves upwards relative to the rear upright rod 11, the unfolding of the children's vehicle is realized, and the operation is also convenient.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a child's bike, includes the frame that has expansion state and fold condition, locates the front wheel subassembly and the rear wheel subassembly of frame bottom, its characterized in that: the frame comprises a foldable frame, the frame comprises a front surrounding frame and a rear surrounding frame which are oppositely arranged, and a chassis component which is arranged between the front surrounding frame and the rear surrounding frame and can be relatively folded along the front-rear direction, when the frame is folded, the chassis component is folded, and the front surrounding frame and the rear surrounding frame are mutually folded along the front-rear direction,

the frame further comprises a front vertical frame and a rear vertical frame which extend in the vertical direction respectively, the front vertical frame is arranged on the front enclosing frame in a sliding mode in the vertical direction, the rear vertical frame is arranged on the rear enclosing frame in a sliding mode in the vertical direction, the front wheel assembly is arranged at the bottom of the front vertical frame, the rear wheel assembly is arranged at the bottom of the rear vertical frame, a front linkage mechanism capable of driving the front vertical frame to slide and fold relative to the front enclosing frame when the frame is folded is arranged between the front vertical frame and the frame, and a rear linkage mechanism capable of driving the rear vertical frame to slide and fold relative to the rear enclosing frame when the frame is folded is arranged between the rear vertical frame and the frame.

2. The child's vehicle of claim 1, wherein: the chassis assembly at least comprises a front support frame and a rear support frame which extend in the front-rear direction respectively, the rear portion of the front support frame is rotatably connected with the front portion of the rear support frame, and when the frame is folded, the front support frame and the rear support frame are relatively rotated and folded in the vertical direction and are positioned between the front enclosing frame and the rear enclosing frame.

3. Child's vehicle according to claim 2, characterized in that: the front linkage mechanism comprises a front connecting rod which is rotationally connected between the front vertical frame and the front support frame, the rear linkage mechanism comprises a rear connecting rod which is rotationally connected between the rear vertical frame and the rear support frame, when the frame is folded, the front connecting rod drives the front surrounding frame to move downwards along the front vertical frame, and the rear connecting rod drives the rear surrounding frame to move downwards along the rear vertical frame.

4. The child's vehicle of claim 3, wherein: the front vertical frame comprises two groups of front vertical rods which are respectively arranged at the left side and the right side, the lower part of each group of front vertical rods is provided with the front wheel assembly, and the two groups of front vertical rods are respectively arranged at the left side and the right side of the front enclosure frame in a sliding manner;

the rear vertical frame comprises two groups of rear vertical rods which are respectively arranged at the left side and the right side, the lower part of each rear vertical rod is provided with the rear wheel assembly, and the two groups of rear vertical rods are respectively arranged at the left side and the right side of the rear enclosure frame in a sliding manner.

5. Child's vehicle according to claim 4, characterized in that: the front enclosing frame comprises two groups of front enclosing rods which are respectively arranged on the left side and the right side and extend along the vertical direction, the rear enclosing frame comprises two groups of rear enclosing rods which are respectively arranged on the left side and the right side and extend along the vertical direction, the front upright rods are slidably arranged on the same side of the front enclosing rods along the length extending direction of the front enclosing rods, the rear upright rods are slidably arranged on the same side of the rear enclosing rods along the length extending direction of the rear enclosing rods, and the front wheel assembly and the rear wheel assembly are both positioned outside the frame.

6. Child's vehicle according to claim 4, characterized in that: a group of front connecting rods is arranged between each group of front upright rods and the front support frame; and a group of rear connecting rods is arranged between each group of rear upright rods and the rear support frame.

7. Child's vehicle according to any one of claims 2 to 6, characterized in that: the chassis component further comprises a front chassis and a rear chassis which extend in the front-rear direction respectively, the front portion of the front chassis is rotatably connected to the front surrounding frame, the rear portion of the rear chassis is rotatably connected to the rear surrounding frame, the rear portion of the front chassis is rotatably connected to the front portion of the rear chassis, the front chassis and the rear chassis are located below the front support frame and the rear support frame, the front portion of the front support frame is rotatably connected to the front chassis, the rear portion of the rear support frame is rotatably connected to the rear chassis, and when the frame is folded, the front chassis and the rear chassis are relatively rotated and folded in the horizontal direction.

8. The child's vehicle of claim 7, wherein: the utility model discloses a support frame, including preceding chassis, back chassis, front axle, back chassis, front chassis with it rotates through the primary shaft to connect between the preceding frame of enclosing, the axial lead of primary shaft, secondary shaft and third shaft all extends along vertical direction, the front portion of preceding support frame with between the front portion of preceding chassis, the rear portion of back support frame with connect through the universal joint ground respectively between the rear portion of back chassis rotationally, the rear portion of preceding support frame with connect through the fourth shaft rotation between the front portion of back support frame, the axial lead of fourth shaft extends along the horizontal direction.

9. The child's vehicle of claim 7, wherein: the front underframe and the rear underframe are respectively provided with two groups which are respectively arranged at the left side and the right side, and when the frame is folded, the front underframe at the two sides and the rear underframe at the two sides rotate oppositely respectively.

10. The child's vehicle of claim 9, wherein: the front underframe and the rear underframe at the two sides are staggered in the vertical direction, and when the frame is in a folded state, the front underframe and the rear underframe at the left side and the right side are respectively folded and stacked in the vertical direction.