CN218559048U

CN218559048U - Child's bike

Info

Publication number: CN218559048U
Application number: CN202222066619.5U
Authority: CN
Inventors: 蔡辉; 丁连雷
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-03-03
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a child's bike, including frame and wheel subassembly, the wheel subassembly includes the wheel fork of pivotal connection on the frame and the first wheel of pivotal connection on the wheel fork, and child's bike still includes first connecting rod and second connecting rod, a tip and the frame pivotal connection of first connecting rod, another tip pivotal connection of first connecting rod has the second wheel, and a tip and the spherical rotation of first connecting rod of second connecting rod are connected, and another tip and the spherical rotation of wheel fork of second connecting rod are connected. This perambulator when turning to, as long as make the people health to turning to one side slope, can make the relative frame of first connecting rod of this side rotate to make it drive the relative frame of first wheel and rotate through second connecting rod pulling front fork, the second connecting rod through the opposite side makes the first connecting rod of opposite side also relative frame rotate, thereby can make the perambulator turn to, turn to the in-process at the perambulator promptly, as long as make people's health to turn to one side slope can, make the steering operation of perambulator convenient, recreational height.

Description

Child's bike

Technical Field

The utility model relates to a children's articles for use technical field, concretely relates to child's bike.

Background

The child's bike generally includes a frame, a front wheel assembly rotatably disposed at the bottom of the frame, a rear wheel assembly rotatably disposed at the bottom of the frame, and a direction control lever disposed on the frame for driving the child's bike to turn during traveling. When the baby carriage in the prior art turns, the direction control rod is operated to rotate relative to the carriage, so that the steering can be realized, and the steering operation of the baby carriage is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a perambulator to not enough among the prior art, this perambulator stands the back on the frame as the people, can realize the operation that turns to of perambulator through making the people health to turning to a lopsidedness.

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

the utility model provides a child's bike, includes frame and wheel subassembly, the wheel subassembly includes pivotal connection and is in fork and pivotal connection on the frame first wheel on the fork, child's bike still includes first connecting rod and second connecting rod, a tip of first connecting rod with frame pivotal connection, another tip pivotal connection of first connecting rod has the second wheel, a tip of second connecting rod with the spherical rotation of first connecting rod is connected, another tip of second connecting rod with the spherical rotation of fork is connected.

Preferably, a first connecting shaft is fixedly arranged on one end of the second connecting rod and one of the two first connecting rod parts, a first multidirectional bearing matched with the first connecting shaft is arranged on the other one of the two first connecting rod parts, the first connecting shaft is arranged in the first multidirectional bearing in a penetrating mode, and/or a second connecting shaft is fixedly arranged on the other end of the second connecting rod and one of the two wheel fork parts, a second multidirectional bearing matched with the second connecting shaft is arranged on the other one of the two second connecting rod parts, and the second connecting shaft is arranged in the second multidirectional bearing in a penetrating mode.

Further, when the buggy runs linearly, the axis of the first connecting shaft is parallel to the axis of the second connecting shaft, and when the buggy turns, the axis of the first connecting shaft is not parallel to the axis of the second connecting shaft.

Furthermore, the first connecting rod is pivotally connected with the frame through a rotating shaft, the rotating shaft extends in the left-right direction, when the buggy runs linearly, the axis of the rotating shaft, the axis of the first connecting shaft and the axis of the second connecting shaft are arranged in parallel, when the buggy turns, the axis of the first connecting shaft and the axis of the rotating shaft are arranged in parallel, and the axis of the second connecting shaft is arranged in an inclined manner relative to the axis of the rotating shaft.

Preferably, the first link includes a first section, a second section and a third section which are sequentially arranged, the first section and the third section are arranged in parallel, the third section is located in front of and below the first section, one end of the first section far away from the second section is pivotally connected with the frame, the second wheel is pivotally connected with one end of the third section far away from the second section, and the second link is spherically and rotatably connected with the first section.

Preferably, the first link and the second link are respectively arranged at the left and right sides of the child vehicle, and the second wheel is respectively and pivotally connected to the first link at each side.

Preferably, the buggy further comprises a control lever for controlling the direction of travel of the buggy, the control lever being fixedly arranged on the wheel fork.

Preferably, the child vehicle further comprises a third wheel pivotally connected to the frame, the second wheel, the first wheel and the third wheel being sequentially arranged from front to back.

Further, first wheel is located the middle part of frame, the second wheel with the third wheel is equallyd divide and is set up respectively the left and right sides of frame, the child's bike has first user state and second user state, works as when the child's bike is in first user state, at least one the second wheel with the first wheel props up jointly in ground, the third wheel all leaves ground, works as when the child's bike is in the second user state, the left and right sides the third wheel with the first wheel props up jointly in ground, the second wheel all leaves ground.

Preferably, the child vehicle further comprises a motor arranged on the first wheel for driving the first wheel to rotate.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a perambulator stands when the people straight line travel in-process need turn to on the perambulator, as long as make the people health to turning to the one side slope, can make the relative frame of first connecting rod of this side rotate, thereby make it drive the relative frame of first wheel to rotate through second connecting rod pulling front fork, the second connecting rod through the opposite side makes the first connecting rod of opposite side also relative frame rotate, thereby can make the perambulator turn to, turn to the in-process at the perambulator promptly, need not any part of manual operation perambulator, as long as make people's health to turning to one side slope can, make the steering operation of perambulator convenient, it is recreational high.

Drawings

Fig. 1 is a schematic side view of the child vehicle in the first use state in the straight running state;

fig. 2 is a front schematic view of the child vehicle in the first use state in which the child vehicle runs straight;

fig. 3 is a rear view schematic diagram of the child vehicle in the first use state in the straight running state;

fig. 4 is a schematic bottom view of the child vehicle in the first use state in the present embodiment when the child vehicle travels straight;

fig. 5 is a schematic top view of the child vehicle in the first use state in which the child vehicle travels straight;

fig. 6 is a schematic side view of the child vehicle in the first use state of the present embodiment turning to the right;

fig. 7 is a schematic bottom view of the child car in the first usage status for turning to the right in the present embodiment;

fig. 8 is a schematic side view of the child vehicle in the first use state, which is steered to the left;

fig. 9 is a schematic bottom view of the child vehicle in the first use state according to the present embodiment when the child vehicle turns to the left;

FIG. 10 is a schematic side view of the child's vehicle of this embodiment in a second use condition;

fig. 11 is an exploded view of the child vehicle of the present embodiment.

Wherein: 1. a frame; 11. a bottom bracket; 12. pipe sleeve; 21. a wheel fork; 211. a shaft body; 212. a second connecting shaft; 22. a first wheel; 3. a first link; 31. a first stage; 311. a first connecting shaft; 32. a second stage; 33. a third stage; 4. a second link; 41. a first multi-directional bearing; 42. a second multi-directional bearing; 43. a rod body; 5. a second wheel; 6. a rotating shaft; 7. a control lever; 8. and a third wheel.

Detailed Description

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

As shown in fig. 1 to 11, the child vehicle of the present invention includes a frame 1 and a wheel assembly.

The wheel assembly comprises a fork 21 pivotally connected to the frame 1 and a first wheel 22, the first wheel 22 being pivotally connected to a lower portion of the fork 21. In this embodiment, the first wheel 22 is provided with one, at the middle in the left-right direction of the frame 1.

In this embodiment, the frame 1 includes a bottom bracket 11 and a pipe sleeve 12 provided on the bottom bracket 11 and extending in the up-down direction. The fork 21 has a shaft body 211 extending in the vertical direction, and the shaft body 211 is inserted into the sleeve 12 and is provided rotatably about its own axis with respect to the sleeve 12.

The perambulator still includes first connecting rod 3, second connecting rod 4 and second wheel 5, and first connecting rod 3, second connecting rod 4 and second wheel 5 are equallyd divide and are set up respectively in the left and right sides of perambulator. One end portion of each first link 3 is pivotally connected to a corresponding one side portion of the frame 1 via a rotating shaft 6, the rotating shaft 6 extends in the left-right direction, and each second wheel 5 is pivotally connected to the other end portion of the corresponding one first link 3. One end of the second link 4 on each side is connected with the first link 3 on the corresponding side in a spherical rotation manner, and the other end of the second link 4 is connected with the corresponding side of the wheel fork 21 in a spherical rotation manner. In the present embodiment, the second wheel 5 is located forward of the first wheel 22.

In this embodiment, the first link 3 on each side includes a first segment 31, a second segment 32, and a third segment 33 sequentially arranged, the first segment 31 is arranged in parallel with the third segment 33, and the third segment 33 is located in front of and below the first segment 31. The end of the first section 31 far away from the second section 32 is pivotally connected with the frame 1 through the rotating shaft 6, the second wheel 5 is pivotally connected with the end of the third section 33 far away from the second section 32, and the second connecting rod 4 is spherically and rotatably connected with the first section 31.

The spherical rotary connection mode of the second connecting rod 4 and the first connecting rod 3 on each side is as follows: one of the two parts of the end of the second connecting rod 4 and the first section 31 of the first connecting rod 3 is fixedly provided with a first connecting shaft 311, the other part is provided with a first multi-directional bearing 41, the first multi-directional bearing 41 is provided with an inner ring matched with the first connecting shaft 311, the first connecting shaft 311 is arranged in the inner ring of the first multi-directional bearing 41 in a penetrating manner, and the two parts can relatively rotate in multiple directions.

The spherical rotary connection mode of the second connecting rod 4 and the wheel fork 21 on each side is as follows: a second connecting shaft 212 is fixedly arranged on one of the other end of the second connecting rod 4 and the wheel fork 21, a second multi-directional bearing 42 is arranged on the other part, the second multi-directional bearing 42 is provided with an inner ring matched with the second connecting shaft 212, the second connecting shaft 212 is arranged in the inner ring of the second multi-directional bearing 42 in a penetrating mode, and the second connecting shaft and the second multi-directional bearing can rotate relatively in multiple directions.

In this embodiment, the first link 4 includes a rod 43, and the first multi-directional bearing 41 and the second multi-directional bearing 42 are respectively disposed at both ends of the rod 43. The first connecting shaft 311 is fixedly disposed on the first section 31 of the first link 3, and the second connecting shaft 212 is fixedly disposed on the fork 21.

The buggy also comprises a control rod 7 by means of which the direction of travel of the buggy can be controlled during travel of the buggy. The control lever 7 is fixedly disposed on the fork 21, specifically above the shaft body 211. In the process of the child vehicle advancing, when the control rod 7 is rotated, the wheel fork 21 can be driven to synchronously rotate relative to the frame 1, so that the first wheel 22 is driven to rotate, and the child vehicle can realize steering action.

The buggy further comprises a third wheel 8 pivotally connected to the frame 1, the third wheel 8 being arranged behind the first wheel 1, which are arranged on the left and right sides of the frame 1, respectively.

The child's vehicle has a first use state, and when the child's vehicle is in the first use state, the child's vehicle can run straight and also can turn right or left in the process of running straight.

When the baby carriage runs straight, the second wheels 5 and the first wheels 22 on two sides are supported on the ground together, and the third wheels 8 on two sides are all away from the ground. In each side, the axis of the rotating shaft 6, the axis of the first connecting shaft 311, and the axis of the second connecting shaft 212 are arranged in parallel, as shown in fig. 1 to 5.

When the baby carriage turns to the right, the body of a child inclines to the right side of the frame 1, the right side of the frame 1 is stressed to move downwards, the first connecting rod 3 on the right side rotates towards the direction E relative to the frame 1 around the rotating shaft 6, the wheel fork 21 is pulled to move towards the direction D relative to the frame 1 around the axial lead of the shaft body 211 through the second connecting rod 4 on the right side, the first wheel 22 is driven to rotate towards the direction D synchronously, the first connecting rod 3 on the left side is pulled to rotate towards the direction F around the rotating shaft 6 relative to the frame 1 through the second connecting rod 4 on the left side, and therefore the baby carriage turns to the right, as shown in fig. 6 and 7.

Of course, when the child car turns to the right, the direction control rod 7 can also be operated, so that the direction control rod 7 drives the wheel fork 21 to synchronously move around the axis of the shaft body 211 in the direction D relative to the frame 1, drives the first wheel 22 to synchronously rotate in the direction D, pulls the first left connecting rod 3 to rotate around the shaft 6 relative to the frame 1 in the direction F through the second left connecting rod 4, and pushes the first right connecting rod 3 to rotate around the shaft 6 relative to the frame 1 in the direction E through the second right connecting rod 4, thereby realizing the turning to the right of the child car, as shown in fig. 6 and 7.

When the baby carriage turns to the left, the body of a child is inclined to the left side of the frame 1, the left side of the frame 1 is stressed to move downwards, the first connecting rod 3 on the left side rotates towards the direction E relative to the frame 1 around the rotating shaft 6, the wheel fork 21 is pulled to move towards the direction C relative to the frame 1 around the axis of the shaft body 211 through the second connecting rod 4 on the left side, the first wheel 22 is driven to rotate towards the direction C synchronously, the first connecting rod 3 on the right side is pulled to rotate towards the direction F relative to the frame 1 around the rotating shaft 6 through the second connecting rod 4 on the right side, and therefore the baby carriage turns to the left, as shown in fig. 8 and 9.

Of course, when the child car turns to the left, the direction control rod 7 can also be operated, so that the direction control rod 7 drives the wheel fork 21 to synchronously move around the axis of the shaft body 211 in the direction C relative to the frame 1, and drives the first wheel 22 to synchronously rotate in the direction C, the left first link 3 is pulled to rotate around the shaft 6 in the direction F relative to the frame 1 through the left second link 4, and the right first link 3 is pushed to rotate around the shaft 6 in the direction E relative to the frame 1 through the right second link 4, thereby realizing the left turning of the child car, as shown in fig. 8 and 9.

During the process of turning the child vehicle to the right or left, the axis of the first connecting shaft 311 is parallel to the axis of the rotating shaft 6, and the axis of the second connecting shaft 212 is inclined relative to the axis of the rotating shaft 6, as shown in fig. 7 and 9.

The perambulator turns to the in-process rightwards or leftwards, because between second connecting rod 4 and first connecting rod 3, all adopt spherical rotation to be connected between second connecting rod 4 and the wheel fork 21, this spherical rotation connected mode is compared and is connected in ordinary rotation, between second connecting rod 4 and first connecting rod 3, can realize the rotation on a plurality of directions between second connecting rod 4 and the wheel fork 21, thereby at the perambulator in-process that turns to, can avoid between second connecting rod 4 and first connecting rod 3, appear blocking can not rotate between second connecting rod 4 and the wheel fork 21, thereby make the problem that the perambulator can not turn to. Meanwhile, compared with universal rotary connection, the spherical rotary connection mode has the advantages that the structure is simpler, the rigidity is better, and the baby carriage has better stability. The direction control rod 7 can be operated when the body of the child inclines in the process of turning the child car to the right or left, so that the child car can be combined more easily.

The child's vehicle also has a second use condition in which the left and right third wheels 8 and the first wheels 22 are supported together on the ground and the two second wheels 5 are all clear of the ground when the child's stroller is in the second use condition, as shown in fig. 10.

When a force is applied to the rear of the frame 1 in the first use state, as shown in the direction B in fig. 10, the front part of the frame 1 can be tilted, so that the child car is in the second use state.

Therefore, the child car has multiple using states, and the child car can have multiple playing methods, so that the entertainment performance of the child car is improved.

The child vehicle further comprises a motor for driving the child vehicle to automatically move, in this embodiment, the motor is arranged on the first wheel 22 for driving the first wheel 22 to rotate, and when the first wheel 22 rotates to move the frame 1, the second wheel 5 or the third wheel 8 rotates synchronously with the frame 1. That is, the first wheel 22 is a driving wheel, and the second wheel 5 and the third wheel 8 are driven wheels.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which cannot 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 in the protection scope of the present invention.

Claims

1. A child's vehicle comprising a frame and a wheel assembly, the wheel assembly including a fork pivotally connected to the frame and a first wheel pivotally connected to the fork, characterized in that: the child's bike further comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected with the frame in a pivoting mode, the other end of the first connecting rod is connected with a second wheel in a pivoting mode, one end of the second connecting rod is connected with the first connecting rod in a spherical rotating mode, and the other end of the second connecting rod is connected with the wheel fork in a spherical rotating mode.

2. The child car of claim 1, wherein: one end of the second connecting rod and one of the two parts of the first connecting rod are fixedly provided with a first connecting shaft, the other part is provided with a first multidirectional bearing matched with the first connecting shaft, the first connecting shaft is arranged in the first multidirectional bearing in a penetrating mode, and/or the other end of the second connecting rod and one of the two parts of the wheel fork are fixedly provided with a second connecting shaft, the other part is provided with a second multidirectional bearing matched with the second connecting shaft, and the second connecting shaft is arranged in the second multidirectional bearing in a penetrating mode.

3. Child's vehicle according to claim 2, characterized in that: when the buggy runs linearly, the axis of the first connecting shaft is parallel to the axis of the second connecting shaft, and when the buggy turns, the axis of the first connecting shaft is not parallel to the axis of the second connecting shaft.

4. Child's vehicle according to claim 2, characterized in that: the first connecting rod is connected with the frame through a rotating shaft in a pivoting mode, the rotating shaft extends in the left-right direction, when the buggy runs linearly, the axis of the rotating shaft, the axis of the first connecting shaft and the axis of the second connecting shaft are arranged in parallel, when the buggy turns, the axis of the first connecting shaft and the axis of the rotating shaft are arranged in parallel, and the axis of the second connecting shaft is arranged in an inclined mode relative to the axis of the rotating shaft.

5. The child's vehicle of claim 1, wherein: the first connecting rod comprises a first section, a second section and a third section which are sequentially arranged, the first section and the third section are arranged in parallel, the third section is positioned in front of and below the first section, one end part of the first section, far away from the second section, is in pivot connection with the frame, the second wheel is in pivot connection with one end part of the third section, far away from the second section, and the second connecting rod is in spherical rotation connection with the first section.

6. The child car of claim 1, wherein: the first connecting rod and the second connecting rod are respectively arranged on the left side and the right side of the child vehicle, and the second wheel is respectively connected to the first connecting rod on each side in a pivoting mode.

7. The child car of claim 1, wherein: the child car further comprises a control rod for controlling the travelling direction of the child car, and the control rod is fixedly arranged on the wheel fork.

8. The child car of claim 1, wherein: the child's vehicle further comprises a third wheel which is connected to the frame in a pivoting mode, and the second wheel, the first wheel and the third wheel are sequentially arranged from front to back.

9. The child car of claim 8, wherein: first wheel is located the middle part of frame, the second wheel with the third wheel is equallyd divide and is set up respectively the left and right sides of frame, the perambulator has first user state and second user state, works as when the perambulator is in first user state, at least one the second wheel with first wheel props jointly and stands in ground, the third wheel is whole to leave ground, works as when the perambulator is in the second user state, the left and right sides the third wheel with first wheel props jointly and stands in ground, the second wheel is whole to leave ground.

10. The child's vehicle of claim 1, wherein: the child vehicle further comprises a motor arranged on the first wheel and used for driving the first wheel to rotate.