CN219056502U

CN219056502U - Child's bike

Info

Publication number: CN219056502U
Application number: CN202223090895.1U
Authority: CN
Inventors: 高翔; 朱铁文; 魏海峰
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 discloses a baby carrier, which comprises a frame and wheel assemblies arranged at the bottom of the frame, wherein the wheel assemblies are respectively arranged at the left side and the right side of the frame, each wheel assembly at each side comprises a wheel seat and wheels which can be pivotally connected to the wheel seat around a wheel shaft, and when the baby carrier runs on a flat road surface and a sloped road surface, the wheel shafts at the left side and the right side are all parallel to a horizontal plane all the time. The wheel shafts of the wheel assemblies are parallel to the horizontal plane when the baby carrier runs on a flat road surface or a road surface with a certain gradient, so that the inclination angle of the frame is relatively small or does not incline even when the baby carrier runs on the road surface with a certain gradient, the inclination degree of the body of the baby carrier is relatively small when the baby carrier is ridden on the baby carrier, the comfort of the baby carrier is good, and the baby carrier is not easy to roll over.

Description

Child's bike

Technical Field

The utility model relates to the technical field of children supplies, in particular to a children's vehicle.

Background

A child's vehicle is a common recreational vehicle for children, and the child's vehicle generally includes a frame, a wheel assembly disposed at a bottom of the frame, and a seat disposed on the frame, the wheel assembly including a wheel seat and wheels rotatably disposed on the wheel seat via an axle. When the children's vehicle in the prior art runs on a flat road surface, the wheel axle is parallel to the road surface on which the children's vehicle runs, namely, the horizontal plane; when the baby carrier runs on a road surface with a certain gradient, the wheel axle is still parallel to the road surface on which the baby carrier runs, namely the slope surface of the slope. Thus, when the child car runs on a road surface with a certain gradient, the angle of inclination of the frame relative to the horizontal plane is basically the same as the angle of inclination of the road surface, and the child is in an inclined state when sitting on the seat, so that the comfort is poor. And when the gradient of the road surface is relatively large, there is also a risk of rollover.

Disclosure of Invention

The object of the present utility model is to address the deficiencies of the prior art by providing a stroller having an axle of the wheel assembly parallel to the horizontal plane, both when traveling on flat road surfaces and on road surfaces having a grade.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a child car, includes the frame and sets up the wheel subassembly of the bottom of frame, wheel subassembly sets up respectively the left and right sides of frame, every side the wheel subassembly all includes the wheel seat and can be in around the pivot of wheel axle connection wheel on the wheel seat, when the child car is on flat road surface and the road surface of inclination, the left and right sides the shaft all is parallel with the horizontal plane all the time.

Preferably, the stroller further comprises a driving mechanism for driving the wheel assemblies on two sides to rotate relative to the frame respectively so that the wheel shafts are parallel to a horizontal plane, the driving mechanism is arranged between the wheel assemblies on the left side and the right side, the driving mechanism comprises a connecting piece, a linkage assembly, a first connecting rod and a second connecting rod which are connected with the frame through a first shaft in a pivoting manner, the linkage assembly, the first connecting rod and the second connecting rod are respectively arranged on the left side and the right side of the connecting piece, the linkage assembly on each side can stretch and retract along the length extending direction of the connecting piece, one end part of the linkage assembly is connected with the connecting piece through a second shaft in each of the left side and the right side, the other end part of the linkage assembly is connected with the first connecting rod through a third shaft in a pivoting manner, the other end part of the first connecting rod is connected with the connecting piece through a fourth shaft in a pivoting manner, the other end part of the first connecting rod is connected with the wheel seat through a fifth shaft in a pivoting manner, and one end part of the second connecting rod is connected with the frame through a seventh shaft in a pivoting manner.

Further, the linkage assembly is a shock absorber.

Further, on the frame, the first shaft is located between the sixth shafts on the left and right sides, and on the connecting member, the first shaft is located between the second shafts on the left and right sides and the fourth shafts on the left and right sides, respectively.

Further, in each of the left and right sides, on the connecting member, the first shaft, the second shaft, and the fourth shaft are sequentially disposed from top to bottom, and the first link is located above the second link.

Further, the first connecting rod and the second connecting rod are arranged in parallel.

Further, the child car further comprises a guiding structure for guiding the rotation of the connecting piece, the guiding structure comprises a guiding groove arranged on one of the frame and the connecting piece and a guiding column arranged on the other of the frame and the connecting piece and matched with the guiding groove, the guiding groove is arc-shaped, and the guiding column is located in the guiding groove and can move along the length extending direction of the guiding groove.

Further, the wheel assemblies are respectively arranged at the left and right sides of the bottom front part and the left and right sides of the bottom rear part of the frame, and the driving mechanisms are respectively arranged between the wheel assemblies at the left and right sides of the bottom front part of the frame and the wheel assemblies at the left and right sides of the bottom rear part of the frame.

Still further, the frame includes a chassis extending in a front-rear direction, a front vertical frame extending upward from a front portion of the chassis, and a rear vertical frame extending upward from a rear portion of the chassis, an upper portion of the connecting piece located at the front portion is pivotally connected to an upper portion of the front vertical frame through the first shaft, an end portion of the second connecting rod located at the front portion is pivotally connected to a lower portion of the front vertical frame through the sixth shaft, an upper portion of the connecting piece located at the rear portion is pivotally connected to an upper portion of the rear vertical frame through the first shaft, and an end portion of the second connecting rod located at the rear portion is pivotally connected to a lower portion of the rear vertical frame through the sixth shaft.

Preferably, the child car further comprises a seat fixedly arranged on the frame and a direction control assembly rotatably arranged on the seat, wherein the direction control assembly is positioned in front of the seat.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the wheel shafts of the wheel assemblies are parallel to the horizontal plane when the baby carrier runs on a flat road surface or a road surface with a certain gradient, so that the inclination angle of the frame is relatively small or the baby carrier does not incline even when the baby carrier runs on the road surface with a certain gradient, the inclination degree of the body of the baby carrier is relatively small when a child sits on the baby carrier, the comfort of the baby carrier is good, and the baby carrier is not easy to turn on one's side.

Drawings

Fig. 1 is a schematic perspective view (from front to back) of a child's vehicle of the present embodiment;

FIG. 2 is a schematic perspective view of the child's vehicle of the present embodiment (with the rear wheels removed from the rear;

FIG. 3 is a schematic side view of the child's vehicle of the present embodiment;

FIG. 4 is a schematic top view of the child's vehicle of the present embodiment;

FIG. 5 is a schematic rear view of the child's vehicle of the present embodiment;

fig. 6 is a perspective view of the child car of the present embodiment when traveling on a road surface having a gradient;

fig. 7 is a schematic front view of the child car of the present embodiment when traveling on a road surface having a gradient.

Wherein: 1. a frame; 11. a chassis; 12. a front vertical frame; 13. a rear vertical frame; 21. a wheel seat; 22. a wheel; 23. a wheel axle; 3. a seat; 4. a directional control assembly; 51. a connecting piece; 511. a guide groove; 52. a linkage assembly; 53. a first link; 54. a second link; 61. a first shaft; 62. a second shaft; 63. a third shaft; 64. a fourth shaft; 65. a fifth shaft; 66. a sixth shaft; 67. a seventh axis; 7. and a guide post.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

In the following description, the directions of "front", "rear", "left", "right", "up", "down", etc. are referred to as "front" in the left direction in the drawing, "rear" in the right direction, the upper direction is "up", the lower direction is "down", and the directions perpendicular to the paper surface in the drawing are "left" and "right", respectively, according to fig. 3. The above directional definitions are merely provided to facilitate the description of the utility model and to simplify the description and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation and are not to be construed as limiting the utility model.

As shown in fig. 1 to 7, the child car of the present utility model includes a frame 1, a wheel assembly provided at the bottom of the frame 1, a seat 3 provided on the frame 1, and a direction control assembly 4 rotatably provided on the frame 1.

The wheel assemblies are respectively arranged on the left and right sides of the frame 1, each wheel assembly comprises a wheel seat 21 and a wheel 22, the wheel 22 is pivotally connected to the wheel seat 21 through an axle 23, and the axle 23 extends in the left and right direction.

The child stroller further comprises a driving mechanism, wherein the driving mechanism is arranged between the wheel assemblies on the left side and the right side and is used for driving the wheel assemblies on the left side and the right side to rotate relative to the frame 1. Thus, when the stroller is driven on a flat road surface a, the wheel axle 23 is parallel to the road surface a on which it is driven, i.e., a horizontal plane. When the baby carrier runs on the road surface A with a certain gradient, the driving mechanism can drive the wheel assemblies on the left side and the right side to rotate relative to the frame 1, so that the wheel shafts 23 on the left side and the right side are still parallel to the horizontal plane. Thus, even when the child vehicle runs on the road surface A with a certain gradient, the inclination angle of the frame 1 is relatively small, or the frame 1 does not incline, so that the inclination degree of the body of the child vehicle is relatively small when the child vehicle rides on the seat 3, the riding comfort is good, and the child vehicle is not easy to roll over.

The drive mechanism includes a connector 51, a linkage assembly 52, a first link 53 and a second link 54. The link 51 is pivotally connected to the frame 1 by a first axle 61. The linkage assembly 52, the first link 53 and the second link 54 are respectively disposed at left and right sides of the connecting member 51, and the linkage assembly 52 at each side can be extended and contracted along the length extension direction thereof. In each of the left and right sides: one end of the link assembly 52 is pivotally connected to the link 51 by a second shaft 62, and the other end of the link assembly 52 is pivotally connected to the first link 53 by a third shaft 63. One end of the first link 53 is pivotally connected to the link 51 via a fourth shaft 64, and the other end of the first link 53 is pivotally connected to the wheel mount 21 via a fifth shaft 65. One end of the second link 54 is pivotally connected to the frame 1 via a sixth shaft 66, and the other end of the second link 54 is pivotally connected to the wheel seat 21 via a seventh shaft 67.

The first shaft 61, the second shaft 62, the third shaft 63, the fourth shaft 64, the fifth shaft 65, the sixth shaft 66, and the seventh shaft 67 are parallel and each extend in the front-rear direction.

The first shaft 61 is located between the sixth shafts 66 on the left and right sides of the frame 1. The first shaft 61 is located between the second shafts 62 on the left and right sides and the fourth shafts 64 on the left and right sides, respectively, on the connection member 51. The sixth axes 66 on the left and right sides are preferably symmetrically arranged with respect to the first axis 61, the second axes 62 on the left and right sides are preferably symmetrically arranged with respect to the first axis 61, and the fourth axes 64 on the left and right sides are preferably symmetrically arranged with respect to the first axis 61.

In each of the left and right sides: on the connection member 51, a first shaft 61, a second shaft 62, and a fourth shaft 64 are disposed in this order from the top. On the frame 1, the first shaft 61 is located above the sixth shaft 66. The first link 53 is located above the second link 54, and the first link 53 and the second link 54 are preferably arranged in parallel.

The wheel assemblies are respectively arranged on the left side and the right side of the bottom front part of the frame 1 and the left side and the right side of the bottom rear part of the frame 1, and the driving mechanism is respectively arranged between the wheel assemblies on the left side and the right side of the bottom front part of the frame 1 and between the wheel assemblies on the left side and the right side of the bottom rear part of the frame 1.

When the baby carrier runs on a road surface with a certain gradient, as shown in fig. 6 and 7, assuming that the ground on the left side is higher than the ground on the right side in the running direction of the vehicle, the left wheel seat 21 is enabled to be subjected to upward acting force, so that the first connecting rod 53 on the left side rotates upwards around the fourth shaft 64, when the first connecting rod 53 moves upwards, the linkage assembly 52 is forced to shrink under the action of external force and acts on the connecting piece 51, so that the connecting piece 51 rotates around the first shaft 51 relative to the frame 1, the whole left wheel assembly moves upwards relative to the frame 1, the wheel shaft 23 is enabled to be parallel to the ground, the inclination angle of the frame 1 relative to the horizontal plane is enabled to be small, the baby carrier running process is enabled to be smoother, and the user experience is improved.

The linkage assembly 52 is capable of shortening when subjected to an external force and automatically lengthening when the external force is removed. The linkage assembly 52 may take the form of a telescoping rod in which a reset member is required to allow the telescoping rod to automatically extend after the external force is removed.

In this embodiment, the linkage assembly 52 employs a shock absorber, which achieves the effect of shock absorption while the driving connection member 51 rotates relative to the frame 1, so as to reduce the shock transferred to the frame 1 and improve the comfort of the child car when riding. The shock absorber may be constructed in the prior art.

The buggy further comprises a guiding structure for guiding the rotation of the connecting piece 51, the guiding structure comprises a guiding post 7 and a guiding groove 511 matched with the guiding post 7, the guiding post 7 is arranged on one of the two parts of the frame 1 and the connecting piece 51, and the guiding groove 511 is arranged on the other of the two parts of the frame 1 and the connecting piece 51. The guide groove 511 is arc-shaped, the guide post 7 is positioned in the guide groove 511, and when the connecting piece 51 rotates around the first shaft 61 relative to the frame 1, the guide post 7 moves along the length extending direction of the guide groove 511, so that the rotation of the connecting piece 51 is guided and limited.

In this embodiment, the frame 1 includes a chassis 11, a front upright 12 at the front of the chassis 11, and a rear upright 13 at the rear of the chassis 11. The chassis 11 extends in the front-rear direction, the front upright 12 extends upward from the front of the chassis 11, and the rear upright 13 extends upward from the rear of the chassis 11.

The upper portion of the front-located link 51 is pivotally connected to the upper portion of the front vertical frame 12 by a first shaft 61, and one end portion of the front-located second link 54 is pivotally connected to the lower portion of the front vertical frame 12 by a sixth shaft 66. The upper portion of the connection member 51 at the rear is pivotally connected to the upper portion of the rear vertical frame 13 by a first shaft 61, and one end portion of the second link 54 at the rear is pivotally connected to the lower portion of the rear vertical frame 13 by a sixth shaft 66.

The seat 3 is fixedly provided at the rear of the chassis 11, and the seat 3 is positioned in front of the rear vertical frame 13. The directional control assembly 4 is rotatably disposed on the front upright 12.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. The utility model provides a child's bike, includes the frame and sets up the wheel subassembly of the bottom of frame, wheel subassembly sets up respectively the left and right sides of frame, every side the wheel subassembly all includes the wheel seat and can the pivot of round wheel axle is connected wheel on the wheel seat, its characterized in that: when the baby carrier runs on a flat road surface and a road surface with inclination, the wheel shafts on the left side and the right side are all parallel to the horizontal plane all the time.

2. A child vehicle according to claim 1, wherein: the baby carrier further comprises a driving mechanism which is used for driving the wheel assemblies on two sides to rotate relative to the frame respectively so that the wheel shafts are parallel to the horizontal plane, the driving mechanism is arranged between the wheel assemblies on the left side and the right side, the driving mechanism comprises a connecting piece, a linkage assembly, a first connecting rod and a second connecting rod which are connected with the frame through a first shaft in a pivoting mode, the linkage assembly, the first connecting rod and the second connecting rod are respectively arranged on the left side and the right side of the connecting piece, the linkage assembly on each side can stretch out and draw back along the length extending direction of the connecting piece, one end portion of the linkage assembly is connected with the connecting piece through a second shaft in a pivoting mode, the other end portion of the linkage assembly is connected with the first connecting rod through a third shaft in a pivoting mode, the other end portion of the first connecting rod is connected with the wheel seat through a fifth shaft in a pivoting mode, and one end portion of the second connecting rod is connected with the frame through a seventh shaft in a pivoting mode.

3. A child vehicle according to claim 2, wherein: the linkage assembly is a shock absorber.

4. A child vehicle according to claim 2, wherein: the first shaft is positioned between the sixth shafts on the left and right sides of the frame, and the first shaft is positioned between the second shafts on the left and right sides and the fourth shafts on the left and right sides of the frame on the connecting piece.

5. A child vehicle according to claim 2, wherein: in each of the left and right sides, on the connecting member, the first shaft, the second shaft and the fourth shaft are sequentially disposed from top to bottom, and the first link is located above the second link.

6. A child vehicle according to claim 2, wherein: the first connecting rod and the second connecting rod are arranged in parallel.

7. A child vehicle according to claim 2, wherein: the baby carrier further comprises a guide structure for guiding the rotation of the connecting piece, the guide structure comprises a guide groove arranged on one of the frame and the connecting piece and a guide post arranged on the other of the frame and the connecting piece and matched with the guide groove, the guide groove is arc-shaped, and the guide post is positioned in the guide groove and can move along the length extending direction of the guide groove.

8. A child vehicle according to claim 2, wherein: the wheel assemblies are respectively arranged on the left side and the right side of the bottom front part of the frame and the left side and the right side of the bottom rear part of the frame, and the driving mechanisms are respectively arranged between the wheel assemblies on the left side and the right side of the bottom front part of the frame and the wheel assemblies on the left side and the right side of the bottom rear part of the frame.

9. A child vehicle according to claim 8, wherein: the frame comprises a bottom frame extending along the front-back direction, a front vertical frame extending upwards from the front part of the bottom frame and a rear vertical frame extending upwards from the rear part of the bottom frame, wherein the upper part of the connecting piece located at the front part is pivotally connected with the upper part of the front vertical frame through a first shaft, one end part of the second connecting rod located at the front part is pivotally connected with the lower part of the front vertical frame through a sixth shaft, the upper part of the connecting piece located at the rear part is pivotally connected with the upper part of the rear vertical frame through the first shaft, and one end part of the second connecting rod located at the rear part is pivotally connected with the lower part of the rear vertical frame through the sixth shaft.

10. A child vehicle according to claim 1, wherein: the baby carrier further comprises a seat fixedly arranged on the frame and a direction control assembly rotatably arranged on the seat, and the direction control assembly is positioned in front of the seat.