CN108725659A - A kind of children wave bogie car - Google Patents

Abstract

The invention discloses a children's swing steering vehicle which realizes steering by swinging the body from side to side. The steering structure is relatively simple. A children's swing steering vehicle, comprising: a chassis, provided with a first wheel and a second wheel, the first wheel is located in front of or behind the second wheel; a swing bracket, rotatably connected to the chassis through a first rotating shaft, the first The axis line of the rotating shaft extends along the front-to-back direction, and the swing bracket is provided with a seat for the child to ride on; Engaged driving bevel gear and steering bevel gear; wherein, the driving bevel gear is fixedly connected or integrally formed with the swing bracket or the first rotating shaft to rotate with the swing bracket; the first wheel is rotatably connected to the chassis through the second rotating shaft, and the second The rotating shaft extends up and down, and the steering bevel gear is fixedly connected or integrally formed with the second rotating shaft to drive the first wheel to turn.

Description

A swing steering car for children

technical field

The invention relates to the field of children's products, in particular to a children's swing steering vehicle which realizes steering by swinging the body from side to side.

Background technique

A children's swing steering vehicle in the prior art can realize steering by swinging the body left and right, and is used for children to ride and play. This kind of children's swing steering vehicle that can change direction by swinging the body left and right generally includes a vehicle frame, a front wheel assembly and a rear wheel assembly arranged at the bottom of the frame, wherein at least the front wheel assembly or the rear wheel assembly is connected to the vehicle through a steering mechanism. The frame allows the vehicle frame to swing relative to the front wheel assembly or the rear wheel assembly to realize steering when the child swings the body left and right; the steering mechanism also includes a reset device for returning to the straight-ahead state. The structure of the steering mechanism in the prior art is relatively complicated.

Contents of the invention

In view of the above problems, the object of the present invention is to provide a novel children's swing steering vehicle that realizes steering by swinging the body from side to side.

To achieve the above object, the present invention adopts the following technical solutions:

A children's swing steering vehicle, comprising:

a chassis, the chassis is provided with a first wheel and a second wheel, the first wheel is located in front of or behind the second wheel;

A swing bracket, the swing bracket is rotatably arranged on the base frame through a first rotating shaft, the axis line of the first rotating shaft extends along the front and rear directions, and the swing bracket is provided with a seat for children to sit on; as well as

a steering mechanism for turning the first wheel when the child leans to the left or right, the steering mechanism comprising a driving bevel gear and a steering bevel gear meshing with each other;

Wherein, the driving bevel gear is fixedly connected or integrally formed with the swing bracket or the first rotating shaft so as to rotate with the swing bracket; the first wheel is rotatably connected to the chassis through the second rotating shaft, The axis line of the second rotating shaft extends in the vertical direction, and the steering bevel gear is fixedly connected or integrally formed with the second rotating shaft to drive the first wheel to turn.

In one embodiment, the axis of the first rotating shaft and the axis of the second rotating shaft are perpendicular to each other.

Preferably, the axis of the first rotating shaft extends horizontally and in the front-rear direction, and the axis of the second rotating shaft extends in the vertical direction.

In one embodiment, the first wheel is arranged on a first wheel fork, and the first wheel fork is rotatably connected to the chassis through the second rotating shaft, and the second rotating shaft is fixedly connected to the The first round of the fork is on.

In one embodiment, the rear part of the first rotating shaft is fixedly connected to the swing bracket, the driving bevel gear is fixedly connected to the front end of the first rotating shaft, and the bottom frame is rotatably connected to the between the front end and the rear of the first rotating shaft.

In one embodiment, the sum of the numbers of the first wheels and the second wheels is greater than or equal to three, and the children's swing steering vehicle further includes at least two auxiliary wheels, and the left and right sides of the swing bracket are respectively At least one auxiliary wheel is provided, the auxiliary wheel arranged on the left side of the swing bracket is located on the left side of the first wheel and the second wheel, and the auxiliary wheel arranged on the right side of the swing bracket The auxiliary wheel is located on the right side of the first wheel and the second wheel; the bottom of the first wheel and the bottom of the second wheel are all located in the same plane, when the children's swing steering vehicle is turning , the bottom of the auxiliary wheel is located in the plane.

In one embodiment, when the children's swing steer is running straight, the bottoms of the auxiliary wheels are higher than the plane.

In one embodiment, the second wheel is a universal wheel, the second wheel is arranged on a second wheel fork, and the second wheel fork is rotatably connected to the chassis through a third rotating shaft, so An acute angle is formed between the axis line of the third rotating shaft and the horizontal plane.

In one embodiment, the number of the first wheel is one front wheel, and the number of the second wheel is two rear wheels.

In one embodiment, the children's swing steer further includes a driving mechanism for driving the first wheel, and the driving mechanism is arranged in the first wheel.

In combination with the above, the present invention adopts the above technical solutions, and has the following advantages compared with the prior art:

In the swing steering vehicle for children provided by the present invention, when it is necessary to turn during driving, the child sitting on the seat leans to the left or right, the swing bracket rotates, and the first wheel is driven by the cooperation of the driving bevel gear and the steering bevel gear Steering, to realize the steering function, the steering mechanism has a simple structure, and can return to the straight running state without a reset device.

Description of drawings

In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Ordinary technicians can also obtain other drawings based on these drawings on the premise of not paying creative work.

Fig. 1 is a three-dimensional schematic diagram of a children's swing steering vehicle according to the present invention;

Fig. 2 is an exploded view of the children's swing steering car shown in Fig. 1;

Fig. 3 is a side view of the children's swing steering vehicle shown in Fig. 1;

Fig. 4 is a front view when the children's swing steering vehicle shown in Fig. 1 is going straight;

Fig. 5 is a top view when the children's swing steering vehicle shown in Fig. 1 is going straight;

Fig. 6 is a front view of the children's swing steering car shown in Fig. 1 when turning right;

Fig. 7 is a top view of the children's swing steering car shown in Fig. 1 when turning right;

Fig. 8 is a front view of the children's swing steering car shown in Fig. 1 when turning left;

Fig. 9 is a top view of the children's swing steering vehicle shown in Fig. 1 when turning left.

Among them, 1. Underframe; 2. First wheel; 20. Second rotating shaft; 21. First wheel fork; 3. Second wheel; 30. Third rotating shaft; 31. Second wheel fork; 4. Swing bracket; 40, the first rotating shaft; 41, the armrest frame; 5, the seat; 6, the auxiliary wheel; 7, the driving bevel gear; 8, the steering bevel gear.

Detailed ways

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art. The orientation words such as front, rear, left and right mentioned in the present invention are defined when the children's swing steering vehicle is in the straight-ahead state, and the front is along the direction of travel.

Figures 1-9 show a children's swing steering vehicle according to the present invention, including a chassis 1, a swing bracket 4 and a steering mechanism. The chassis 1 is provided with a first wheel 2 and a second wheel 3 , the first wheel 2 is located in front or behind the second wheel 3 and the first wheel 2 and the second wheel 3 are arranged at intervals. The swing frame 4 is rotatably arranged on the base frame 1 through the first rotating shaft 40 , the axis C1 of the first rotating shaft 40 is horizontal and extends along the front-rear direction. The swing frame 4 is provided with a seat 5 for children to sit on. The steering mechanism is used to turn the first wheel 2 to the left or to the right when the child leans to the left or to the right.

Referring to Fig. 2 and Fig. 3, the underframe 1 is generally located below the swing bracket 4, the front end of the swing bracket 4 and the front end of the underframe 1 are rotatably connected by the first rotating shaft 40, and the rear end of the swing bracket 4 and the rear end of the underframe 1 are also rotatably connected. The number of the first wheels 2 and the second wheels 3 is greater than or equal to three, so as to stably support the vehicle body when going straight. In this embodiment, the first wheel 2 is specifically arranged on the front end of the underframe 1 as the front wheel, and the second wheel 3 is specifically arranged on the rear end of the underframe 1 as the rear wheel; the number of the first wheel 2 is one, and the second The number of the second wheel 3 is two, and the bottom of the first wheel 2 and the bottom of the second wheel 3 are located in the same plane (plane P shown in Figure 3, namely the ground), thus forming a three-point stable support.

The first wheel 2 is rotatably connected to the underframe 1 through the second rotating shaft 20 , and the axis C2 of the second rotating shaft 20 extends along the vertical direction. Specifically, the first wheel 2 is arranged on the first wheel fork 21, the first wheel fork 21 is rotatably connected to the front end of the chassis 1 through the second rotating shaft 20, and the second rotating shaft 20 is fixedly arranged on the first wheel fork 21 . The axis C1 of the first rotating shaft 40 and the axis C1 of the second rotating shaft 20 are preferably perpendicular to each other, and the axis C2 of the second rotating shaft 20 specifically extends along the vertical direction, as shown in FIGS. 2 and 3 .

The steering mechanism specifically comprises a driving bevel gear 7 and a steering bevel gear 8 which mesh with each other, the bevel gears are also called bevel gears or bevel gears. In this embodiment, the driving bevel gear 7 is fixedly connected or integrally formed with the first rotating shaft 40 to rotate with the swing bracket 4. The driving bevel gear 7 is specifically fixedly connected to the front end of the first rotating shaft 40 and coaxial with the first rotating shaft 40 , the rear portion of the first rotating shaft 40 is fixedly connected to the swing bracket 4, and the chassis 1 is rotatably connected between the front end and the rear portion of the first rotating shaft 40; the driving bevel gear 7 can also be directly fixed to the swing bracket 4 Connected or integrally formed, and rotate correspondingly with the swing of the swing bracket 4. The steering bevel gear 8 is fixedly connected or integrally formed with the second rotating shaft 20 to drive the first wheel 2 to turn, and the steering bevel gear 8 and the second rotating shaft 20 are arranged coaxially. When the child leans to the left or right, the swing bracket 4 swings to the left or to the right, and the driving bevel gear 7 rotates thereupon, thereby driving the steering bevel gear 8 to rotate, so that the first wheel 2 turns to the left or to the right.

The second wheel 3 is arranged on the second wheel fork 31, the second wheel fork 31 is rotatably connected to the rear end of the chassis 1 through the third rotating shaft 30, the third rotating shaft 30 is fixedly connected to the second wheel fork 31, the third The axis C3 of the rotating shaft 30 obliquely intersects with the horizontal plane to form an acute angle therebetween. In this embodiment, the axis C3 of the third rotating shaft 30 is gradually inclined downward from front to back, as shown in FIG. 3 . The second wheel 3 is a universal wheel. When the first wheel 2 in the front turns, the universal wheel swings under the action of the inclined third rotating shaft 30, so that the children's swing steering car also has the function of drifting, which increases the interest. .

The children's swing steering vehicle also includes at least two auxiliary wheels 6, and at least one auxiliary wheel 6 is respectively arranged on the left and right sides of the swing bracket 4, and the auxiliary wheel 6 arranged on the left side of the swing bracket 4 is located The left side of two wheels 3, the auxiliary wheel 6 that is located at the right side of swing support 4 is positioned at the right side of first wheel 2, the second wheel 3, promptly the track of both auxiliary wheels 6 is greater than two second wheels 3 track. In this embodiment, the auxiliary wheels 6 are specifically arranged at the bottom of the armrest frame 41 on the left and right sides of the swing bracket 4 for setting the armrest, and the armrest frame 41 is specifically located between the first wheel 2 and the second wheel 3 . Auxiliary wheel 6 can adopt universal wheel or directional wheel etc. When the children's swing steering vehicle is going straight, the bottom of the auxiliary wheel 6 is higher than the above-mentioned plane P where the bottom of the first wheel 2 and the bottom of the second wheel 3 are located, that is, the first wheel 2 and the second wheel 3 are formed on the vehicle body when they touch the ground. Three points are stably supported, and the auxiliary wheel 6 is not on the ground, as shown in Figures 3 and 4; The bottom of the first wheel 2 and the bottom of the second wheel 3 are all located in the above-mentioned same plane. The swing steer car forms a stable support to avoid rollover, as shown in Figure 6 or 8.

The children's swing steering car is a kind of electric car for children, which is driven by a motor. The children's swing steering vehicle also includes a driving mechanism for driving the first wheel 2 to rotate, and the driving mechanism can be arranged in the first wheel 2, including in-wheel motors and the like. In this embodiment, the first wheel 2 is used as the front wheel, and the children's swing steering vehicle adopts a front-wheel drive mode.

The state of this children's swing steering vehicle when going straight is shown in Figures 4 and 5. When going straight, the first wheel 2 in the front and the two second wheels 3 in the rear touch the ground to form a support, and the two auxiliary wheels 6 are higher than the bottom surface.

The state of the children's swing steering vehicle turning to the right is shown in Figures 6 and 7. The child on the seat 5 tilts his body to the right, and the swing bracket 4 swings around the first rotating shaft 40 in the direction shown by the arrow R1 in Figure 6, driving the bevel gear 7 Rotate counterclockwise, and the second rotating shaft 20 rotates under the cooperation of the steering bevel gear 8 and the driving bevel gear 7, so that the first wheel 2 rotates around the second rotating shaft 20 in the clockwise direction shown by the arrow R2 in FIG. Turn right; at the same time, as the swing bracket 4 swings, the auxiliary wheel 6 on the left side moves downwards and touches the ground, supporting the vehicle body together with the first wheel 2 and the second wheel 3, so as to avoid turning over to the right; In addition, when the first wheel 2 turns to the right, the second wheel 3 using universal wheels swings under the action of the inclined third rotating shaft 30 , which has a drifting function.

The state of the children's swing steering vehicle turning to the left is shown in Figures 8 and 9, the child on the seat 5 tilts his body to the left, and the swing bracket 4 swings around the first rotating shaft 40 in the direction shown by arrow L1 in Figure 8, driving the bevel gear 7 rotate clockwise, the second rotating shaft 20 rotates under the cooperation of the steering bevel gear 8 and the driving bevel gear 7, so that the first wheel 2 rotates around the second rotating shaft 20 in the counterclockwise direction shown by the arrow L2 in Fig. Turn left; at the same time, as the swing bracket 4 swings, the auxiliary wheel 6 on the left side moves down and touches the ground, and together with the first wheel 2 and the second wheel 3, the vehicle body is supported to avoid turning to the left; in addition, When the first wheel 2 turns to the left, the second wheel 3 using universal wheels swings under the action of the inclined third rotating shaft 30, and has a drifting function.

The children's swing steering vehicle provided by the present invention can be an electric vehicle for children, and further has a drifting function and can be used as a children's swing steering drifting vehicle. When it is necessary to turn, the child sitting on the seat 5 tilts his body left or right, the swing bracket 4 rotates, and the first wheel 2 is turned under the cooperation of the driving bevel gear 7 and the steering bevel gear 8 to realize the steering function. The structure of the mechanism is simple and the straight running state can be restored without a reset device. When turning, as the vehicle body tilts to the left or right, the auxiliary wheels 6 on the left or right touch the ground, cooperate with the first wheel 2 and the second wheel 3 to form a stable support for the vehicle body, avoid rollover, and improve the stability when turning sex, it is safer to use. Second wheel 3 selects universal wheel for use, has drifting function when turning, has increased interest.

The above-mentioned embodiments are only for illustrating the technical conception and characteristics of the present invention, and are preferred implementation modes. The purpose is that those familiar with this technology can understand the content of the present invention and implement it accordingly, and cannot limit the protection scope of the present invention with this . All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. A children's swing steering vehicle, characterized in that it comprises: a chassis, the chassis is provided with a first wheel and a second wheel, the first wheel is located in front of or behind the second wheel; A swing bracket, the swing bracket is rotatably arranged on the base frame through a first rotating shaft, the axis line of the first rotating shaft extends along the front and rear directions, and the swing bracket is provided with a seat for children to sit on; as well as a steering mechanism for turning the first wheel when the child leans to the left or right, the steering mechanism comprising a driving bevel gear and a steering bevel gear meshing with each other; Wherein, the driving bevel gear is fixedly connected or integrally formed with the swing bracket or the first rotating shaft so as to rotate with the swing bracket; the first wheel is rotatably connected to the chassis through the second rotating shaft, The axis line of the second rotating shaft extends in the vertical direction, and the steering bevel gear is fixedly connected or integrally formed with the second rotating shaft to drive the first wheel to turn. 2. The children's swing steering vehicle according to claim 1, characterized in that: the axis line of the first rotating shaft and the axis line of the second rotating shaft are perpendicular to each other. 3. The children's swing steering vehicle according to claim 2, wherein the axis line of the first rotating shaft is horizontal and extends along the front-rear direction, and the axis line of the second rotating shaft extends vertically. 4. The children's swing steering vehicle according to claim 1, wherein the first wheel is arranged on a first fork, and the first fork is rotatably connected to the The bottom frame, the second rotating shaft is fixedly connected to the first wheel fork. 5. The children's swing steering vehicle according to claim 1, characterized in that: the rear part of the first rotating shaft is fixedly connected to the swing bracket, and the driving bevel gear is fixedly connected to the front end of the first rotating shaft The bottom frame is rotatably connected between the front end and the rear of the first rotating shaft. 6. The children's swing steering vehicle according to claim 1, characterized in that: the sum of the numbers of the first wheels and the second wheels is greater than or equal to three, and the children's swing steering vehicle also includes at least two auxiliary wheels The left and right sides of the swing bracket are respectively provided with at least one auxiliary wheel, and the auxiliary wheel arranged on the left side of the swing bracket is located on the left side of the first wheel and the second wheel. , the auxiliary wheel located on the right side of the swing bracket is located on the right side of the first wheel and the second wheel; the bottom of the first wheel and the bottom of the second wheel are located at the same In the plane, when the children's swing steer is turning, the bottom of the auxiliary wheel is located in the plane. 7. The children's swing steer vehicle according to claim 6, wherein when the children's swing steer vehicle is going straight, the bottom of the auxiliary wheels is higher than the plane. 8. The children's swing steering vehicle according to claim 1, characterized in that: the second wheel is a universal wheel, the second wheel is set on the second fork, and the second fork passes through the third wheel The rotating shaft is rotatably connected to the base frame, and the axis line of the third rotating shaft forms an acute angle with the horizontal plane. 9. The children's swing steering vehicle according to claim 1, characterized in that: the first wheel is a front wheel and the number is one, and the second wheel is a rear wheel and the number is two. 10. The children's swing steering vehicle according to claim 1 or 9, characterized in that: the children's swing steering vehicle further comprises a driving mechanism for driving the first wheel, and the driving mechanism is arranged on the first wheel. inside the wheel.