CN106240726B

CN106240726B - Children electric vehicle

Info

Publication number: CN106240726B
Application number: CN201610727237.9A
Authority: CN
Inventors: 蔡辉; 吴成国
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2016-08-26
Filing date: 2016-08-26
Publication date: 2022-05-03
Anticipated expiration: 2036-08-26
Also published as: CN106240726A

Abstract

The invention discloses a children electric vehicle, which comprises a vehicle frame, a seat mechanism arranged on the vehicle frame, a front wheel assembly arranged at the front part of the bottom of the vehicle frame, a rear wheel assembly arranged at the rear part of the bottom of the vehicle frame, a driving mechanism used for driving the children electric vehicle to advance, and a steering mechanism used for controlling the steering of the children electric vehicle. This children electric motor car simple structure, when children electric motor car turned to, children electric motor car's front wheel subassembly turned to simultaneously with the rear wheel subassembly to the turning radius who makes children electric motor car is less, can make children electric motor car use in the place that ground area is less, makes this children electric motor car's use very convenient.

Description

Children electric vehicle

Technical Field

The invention relates to the technical field of children products, in particular to a children electric vehicle.

Background

The children electric car among the prior art only front wheel when turning to turns to, and the rear wheel keeps former direction motionless, and such children electric car needs great turning radius when turning to require the area in the place that children electric car used also great, make children electric car use inconvenient, and the recreational ability is poor.

Disclosure of Invention

The invention aims to provide a child electric vehicle with a small turning radius aiming at the defects of the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a children's electric motor car, includes the frame, sets up seat mechanism on the frame, set up and be in the anterior front wheel subassembly in the end of frame, set up and be in the rear wheel subassembly in the end rear portion of frame, be used for the drive children's electric motor car actuating mechanism, be used for control children's electric motor car turns to steering mechanism, steering mechanism is including connecting with can rotating direction control rod on the frame, with direction control rod is connected and is worked as direction control rod orders about the first interlock mechanism that the front wheel subassembly turned to simultaneously when rotating, with first interlock mechanism or direction control rod is connected and is worked as direction control rod rotates orders about the second interlock mechanism that the rear wheel subassembly turned to simultaneously.

Preferably, the front wheel assembly includes a left front wheel and a right front wheel respectively located at the left and right sides of the children electric vehicle, the first linkage includes a left front wheel bracket and a right front wheel bracket rotatably connected at the left and right sides of the frame, and a first link having both ends rotatably connected with the left front wheel bracket and the right front wheel bracket, respectively, the left front wheel is rotatably connected to the left front wheel bracket, the right front wheel is rotatably connected to the right front wheel bracket, and the direction control lever is rotatably and slidably connected to the first link.

Furthermore, a first guide post is fixedly arranged on one of the two parts of the direction control rod and the first connecting rod, a first sliding groove matched with the first guide post is formed in the other part of the direction control rod and the first connecting rod, the first guide post is arranged in the first sliding groove in a penetrating mode, and when the children electric vehicle turns, the first guide post rotates in the first sliding groove and slides.

Preferably, the direction control rod is located at the front part of the children electric vehicle, and the second linkage mechanism comprises a first linkage mechanism connected with the first linkage mechanism or the direction control rod, and a second linkage mechanism connected with the first linkage mechanism and driving the rear wheel assembly to steer.

Furthermore, the first linkage mechanism and the second linkage mechanism have the same structure and respectively comprise wheel brackets which are positioned at the left side and the right side of the children electric vehicle and connected with the front wheel assembly or the rear wheel assembly, and a connecting rod which is connected between the wheel brackets at the left side and the right side.

Further, the first link mechanism comprises a first connecting piece which is rotatably connected to the front portion of the frame, a second connecting piece which is rotatably connected to the rear portion of the frame, and a second link of which two end portions are respectively rotatably connected to the first connecting piece and the second connecting piece, the first connecting piece is rotatably and slidably connected to the first link mechanism or the direction control rod, and the second connecting piece is rotatably and slidably connected to the second link mechanism.

Furthermore, the first connecting mechanism comprises a first connecting rod, a second guide post is fixedly arranged on one of the first connecting rod or the direction control rod and the first connecting piece, a second sliding groove matched with the second guide post is arranged on the other one of the first connecting rod or the direction control rod and the first connecting piece, and when the children electric vehicle reverses, the second guide post rotates and slides in the second sliding groove.

Further, the rear wheel subassembly is including being located respectively the left rear wheel and the right rear wheel of children's electric motor car left and right sides, second link mechanism including can connect with rotating the left rear wheel support and the right rear wheel support of the left and right sides of frame, both ends respectively with the third connecting rod that left rear wheel support and right rear wheel support rotate the connection mutually, the left rear wheel can connect with rotating on the left rear wheel support, the right rear wheel can connect with rotating on the right rear wheel support, the third connecting rod with first link mechanism can rotate and can connect with sliding.

Furthermore, the first connecting rod mechanism comprises a second connecting piece, a third guide post is fixedly arranged on one of the second connecting piece and the third connecting rod, a third sliding groove matched with the third guide post is arranged on the other one of the second connecting piece and the third connecting rod, and when the children electric vehicle turns, the third guide post rotates and slides in the third sliding groove.

Preferably, the front wheel assembly comprises a left front wheel and a right front wheel which are respectively positioned at the left side and the right side of the children electric vehicle, the rear wheel assembly comprises a left rear wheel and a right rear wheel which are respectively positioned at the left side and the right side of the children electric vehicle, the driving mechanism comprises a motor which is arranged on the frame, and a motor shaft of the motor is at least in transmission connection with one of the four components of the left front wheel, the right front wheel, the left rear wheel and the right rear wheel through a transmission mechanism.

Further, drive mechanism includes chain and flywheel, the flywheel passes through the flywheel axle and connects with rotating on the frame, the chain is connected the motor shaft with the flywheel, the flywheel axle at least with a part passes through the universal joint with in the four parts of left front wheel, right front wheel, left rear wheel, right rear wheel is connected.

Preferably, the children electric vehicle further comprises a foot switch fixedly arranged on the frame, and the foot switch is electrically connected with the driving mechanism.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the children electric vehicle has a simple structure, and when the children electric vehicle turns through the direction control rod, the front wheel assembly and the rear wheel assembly of the children electric vehicle simultaneously turn, so that the turning radius of the children electric vehicle is smaller, the children electric vehicle can be used in places with smaller ground area, and the children electric vehicle is very convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of a children electric vehicle according to the present invention;

fig. 2 is a second schematic structural view of the children electric car of the present invention.

Wherein: 1. a frame; 21. a left front wheel; 22. a right front wheel; 31. a left rear wheel; 32. a right rear wheel; 41. a direction control lever; 421. a left front wheel bracket; 422. a right front wheel bracket; 423. a first link; 423a and a first chute; 424. a first guide post; 431. a first connecting member; 431a and a second chute; 432. a second connecting member; 432a, a third chute; 433. a second link; 434. a second guide post; 441. a left rear wheel support; 442. a right rear wheel bracket; 443. a third link; 444. a third guide post; 51. a first shaft; 52. a second shaft; 53. a third axis; 54. a fourth axis; 55. a fifth shaft; 56. a sixth axis; 61. a motor; 62. a chain; 63. a flywheel; 64. a flywheel shaft; 65. a universal joint; 7. a foot switch; 8. a seating mechanism.

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 and 2, the electric vehicle for children includes a frame 1, a seat mechanism 8 disposed on the frame 1, a front wheel assembly disposed at the front portion of the bottom of the frame 1, a rear wheel assembly disposed at the rear portion of the bottom of the frame 1, a driving mechanism for driving the electric vehicle for children to travel, and a steering mechanism for controlling the electric vehicle for children to steer.

The front wheel assembly includes a left front wheel 21 and a right front wheel 22 respectively provided at left and right sides of the children's electric vehicle, and the rear wheel assembly includes a left rear wheel 31 and a right rear wheel 32 respectively provided at left and right sides of the children's electric vehicle.

The steering mechanism includes a direction control lever 41 rotatably connected to a front portion of the frame 1, a first interlocking mechanism connected to the direction control lever 41 for urging the front wheel assembly to simultaneously steer when the direction control lever 41 is rotated, and a second interlocking mechanism connected to the first interlocking mechanism or the direction control lever 41 for urging the rear wheel assembly to simultaneously steer when the direction control lever 41 is rotated.

The first link mechanism includes a left front wheel bracket 421 rotatably connected to the left front side of the vehicle body frame 1 via a first shaft 51, a right front wheel bracket 422 rotatably connected to the right front side of the vehicle body frame 1 via a second shaft 52, and a first link 423 having both ends rotatably connected to the left front wheel bracket 421 and the right front wheel bracket 422, respectively, the left front wheel 21 being rotatably connected to the left front wheel bracket 421, and the right front wheel 22 being rotatably connected to the right front wheel bracket 422. Thus, a four-bar linkage is formed among the frame 1, the left front wheel bracket 421, the first link 423, and the right front wheel bracket 422. The direction control rod 41 can rotate and can be connected on the first connecting rod 423 in a sliding manner, specifically, one of two parts of the direction control rod 41 and the first connecting rod 423 is fixedly provided with a first guide post 424, the other part is provided with a first sliding groove 423a matched with the first guide post 424, the first guide post 424 is arranged in the first sliding groove 423a in a penetrating manner, and when the electric child car turns to, the first guide post 424 rotates and slides in the first sliding groove 423 a. In the present embodiment, the connection of the direction control lever 41 and the first link 423 is located rearward of the connection of the direction control lever 41 and the vehicle frame 1. Thus, when the direction control lever 41 is rotated, the left front wheel 21 and the right front wheel 22 are steered by the four-bar linkage formed between the frame 1, the left front wheel bracket 421, the first link 423, and the right front wheel bracket 422.

The second linkage mechanism includes a first linkage mechanism connected to the first linkage mechanism or the direction control lever 41, and a second linkage mechanism connected to the first linkage mechanism to drive the rear wheel assembly to steer.

The first link mechanism includes a first link 431 rotatably connected to a front portion of the frame 1, a second link 432 rotatably connected to a rear portion of the frame 1, and a second link 433 having both end portions rotatably connected to the first link 431 and the second link 432, respectively. In this embodiment, the first connecting member 431 and the second connecting member 432 are both L-shaped, the middle portions of the first connecting member 431 and the second connecting member 432 are rotatably connected to the frame 1, one end of the first connecting member 431 is connected to the first connecting rod 423 or the direction control rod 41, the other end is connected to the second connecting rod 433, one end of the second connecting member 432 is connected to the third connecting rod 443, and the other end is connected to the second connecting rod 433. Thus, a four-bar linkage is also formed between frame 1, first link 431, second link 433, and second link 432. The first connecting member 431 is rotatably and slidably connected to the first link mechanism or the direction control rod 41, a connection position of the first connecting member 431 and the first link mechanism or the direction control rod 41 is located in front of a connection position of the first connecting member 431 and the frame 1, the second connecting member 432 is rotatably and slidably connected to the second link mechanism, and a connection position of the second connecting member 432 and the second link mechanism is located behind a connection position of the second connecting member 432 and the frame 1. In this embodiment, the first link 431 is rotatably and slidably connected to the first link 423. Specifically, one of the first link 423 and the first link 431 is fixedly provided with a second guide post 434, and the other is provided with a second sliding groove 431a matched with the second guide post 434, so that when the child electric vehicle reverses direction, the second guide post 434 rotates and slides in the second sliding groove 431 a.

The second link mechanism includes a left rear wheel bracket 441 pivotally connected to the left rear side of the frame 1 via a third shaft 53, a right rear wheel bracket 442 pivotally connected to the right rear side of the frame 1 via a fourth shaft 54, and a third link 443 pivotally connected at both end portions to the left rear wheel bracket 441 and the right rear wheel bracket 442, respectively, the left rear wheel 31 being pivotally connected to the left rear wheel bracket 441 via a fifth shaft 55, and the right rear wheel 32 being pivotally connected to the right rear wheel bracket 442 via a sixth shaft 56, so that a four-link mechanism is formed among the frame 1, the left rear wheel bracket 441, the third link 443, and the right rear wheel bracket 442. The third link 443 is rotatably and slidably connected to the second link 432. Specifically, one of the second connecting member 432 and the third link 443 is fixedly provided with a third guiding post 444, and the other of the second connecting member 432 and the third link 443 is provided with a third sliding groove 432a matched with the third guiding post, so that when the electric vehicle for children turns, the third guiding post 444 rotates and slides in the third sliding groove 432 a.

Thus, when the direction control lever 41 is rotated, the left rear wheel 31 and the right rear wheel 32 are steered by the four-bar linkage formed between the frame 1, the first link 431, the second link 433, and the second link 432, and the four-bar linkage formed between the frame 1, the left rear wheel support 441, the third link 443, and the right rear wheel support 442.

The driving mechanism comprises a motor 61, the motor 61 comprises a motor base fixedly arranged on the frame 1 and a motor shaft rotatably arranged on the motor base, and the motor shaft is in transmission connection with at least one of the four parts of the left front wheel 21, the right front wheel 22, the left rear wheel 31 and the right rear wheel 32 through a transmission mechanism. In this embodiment, the motor shaft is in transmission connection with the right rear wheel 32 through the transmission mechanism, and when the motor shaft rotates, the right rear wheel 32 is driven to rotate, so that the left front wheel 21, the right front wheel 22 and the left rear wheel 31 are driven to rotate, and the electric vehicle for children advances.

In a specific embodiment, the transmission mechanism comprises a chain 62 and a flywheel 63, the flywheel 63 is rotationally connected to the frame 1 through a flywheel shaft 64, the chain 62 connects the motor shaft and the flywheel 63, the flywheel shaft 64 is connected with the sixth shaft 56 in a universal rotation manner through a universal joint 65, and the sixth shaft 56 is fixedly connected with the right rear wheel 32.

The children electric vehicle also comprises a foot switch 7 fixedly arranged on the frame 1, the foot switch 7 is positioned in front of the seat mechanism on the frame 1 so as to be convenient for being stepped on by feet, the foot switch 7 is electrically connected with the motor 61, and the motor 61 is controlled to be started by stepping on the foot switch 7.

The working principle of the children electric vehicle is as follows:

when the foot switch is stepped on, the motor 61 is started, the motor shaft 61 rotates, the sixth shaft 56 is driven to rotate through the transmission mechanism, the sixth shaft 56 is fixedly connected with the right rear wheel 32, so that the right rear wheel 32 and the sixth shaft 56 rotate synchronously, and the right rear wheel 32 drives the left front wheel 21, the right front wheel 22 and the left rear wheel 31 to rotate when rotating, so that the whole children electric vehicle can run linearly.

When the children electric vehicle needs to turn during traveling, for example, when the children electric vehicle turns left, the direction control rod 41 is operated to rotate anticlockwise to drive the first connecting rod 423 to move rightwards, so that the left front wheel 21 is driven to rotate anticlockwise around the first shaft 51 relative to the frame 1 along with the left front wheel support 421, and the right front wheel 22 is driven to rotate anticlockwise around the second shaft 52 relative to the frame 1 along with the right front wheel support 422; when the direction control rod 41 rotates counterclockwise or the first connecting rod 423 moves rightwards, the first connecting rod 431 is driven to rotate clockwise around the rotating connection point of the first connecting rod 431 and the frame 1, so that the second connecting rod 433 moves forwards, and then the second connecting rod 432 is driven to rotate clockwise around the rotating connection point of the second connecting rod 432 and the frame 1, so that the third connecting rod 443 moves leftwards, the left rear wheel 31 is driven to rotate clockwise around the third shaft 53 relative to the frame 1 along with the left rear wheel bracket 441, and the right rear wheel 32 is driven to rotate clockwise around the fourth shaft 54 relative to the frame 1 along with the right rear wheel bracket 442, so that the whole vehicle can turn leftwards. Similarly, when the whole vehicle turns to the right, the direction control lever 41 is only required to rotate clockwise. When the children electric vehicle turns, the front wheel and the rear wheel are turned at the same time, so that the turning radius of the children electric vehicle is reduced, and the children electric vehicle can be used in places with small floor area; and when the children electric vehicle turns to a certain angle, the children electric vehicle can turn in situ, so that the entertainment performance of the children electric vehicle is enhanced.

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 children electric car, includes the frame, sets up seat mechanism on the frame, set up anterior front wheel subassembly in the end of frame, set up and be in the rear wheel subassembly at the end rear portion of frame, be used for the drive actuating mechanism that children electric car marchd, be used for control the steering mechanism that children electric car turned to, the front wheel subassembly is including being located respectively the left front wheel and the right front wheel of children electric car left and right sides, the rear wheel subassembly is including being located respectively the left rear wheel and the right rear wheel of children electric car left and right sides, its characterized in that: the steering mechanism comprises a direction control rod which can be rotatably connected to the frame, a first linkage mechanism which is connected with the direction control rod and drives the left front wheel and the right front wheel to steer simultaneously when the direction control rod rotates, and a second linkage mechanism which is connected with the first linkage mechanism or the direction control rod and drives the left rear wheel and the right rear wheel to steer simultaneously when the direction control rod rotates, the first linkage mechanism comprises a left front wheel bracket and a right front wheel bracket which are rotatably connected with the left side and the right side of the frame, and a first connecting rod of which two end parts are respectively and rotatably connected with the left front wheel bracket and the right front wheel bracket, the left front wheel is rotatably connected to the left front wheel bracket, the right front wheel is rotatably connected to the right front wheel bracket, and the direction control lever is rotatably and slidably connected to the first link; the second linkage mechanism comprises a first linkage mechanism connected with the first linkage mechanism or the direction control rod and a second linkage mechanism connected with the first linkage mechanism and driving the rear wheel assembly to steer, the first linkage mechanism comprises a first connecting piece rotatably connected with the front part of the frame, a second connecting piece rotatably connected with the rear part of the frame and a second connecting rod with two end parts rotatably connected with the first connecting piece and the second connecting piece respectively, the second linkage mechanism comprises a left rear wheel bracket and a right rear wheel bracket rotatably connected with the left and right sides of the frame and a third connecting rod with two end parts rotatably connected with the left rear wheel bracket and the right rear wheel bracket respectively, the left rear wheel is rotatably connected with the left rear wheel bracket, and the right rear wheel is rotatably connected with the right rear wheel bracket, the first connecting piece can rotate and can be connected to the first connecting rod or the direction control rod in a sliding mode, and the second connecting piece can rotate and can be connected to the third connecting rod in a sliding mode.

2. The children's electric vehicle according to claim 1, wherein: the child electric bicycle is characterized in that a first guide post is fixedly arranged on one of the two parts of the direction control rod and the first connecting rod, a first sliding groove matched with the first guide post is formed in the other part of the direction control rod and the first connecting rod, the first guide post is arranged in the first sliding groove in a penetrating mode, and when the child electric bicycle turns, the first guide post rotates in the first sliding groove and slides.

3. The children's electric vehicle according to claim 1, wherein: the direction control rod is positioned at the front part of the children electric vehicle.

4. The children's electric vehicle according to claim 1, wherein: the first linkage mechanism and the second linkage mechanism are identical in structure and respectively comprise wheel supports which are positioned on the left side and the right side of the children electric vehicle and connected with the front wheel assembly or the rear wheel assembly, and connecting rods which are connected between the wheel supports on the left side and the right side.

5. The children's electric vehicle according to claim 1, wherein: a second guide post is fixedly arranged on one of the first connecting rod and the first connecting piece, a second sliding groove matched with the second guide post is arranged on the other one of the first connecting rod and the first connecting piece, and when the child electric vehicle is reversed, the second guide post rotates and slides in the second sliding groove; or a second guide post is fixedly arranged on one of the two parts of the direction control rod and the first connecting piece, a second sliding groove matched with the second guide post is arranged on the other part, and when the children electric vehicle is reversed, the second guide post rotates and slides in the second sliding groove.

6. The children's electric vehicle according to claim 1, wherein: and when the children electric vehicle turns, the third guide post rotates and slides in the third sliding groove.

7. The children's electric vehicle according to claim 1, wherein: the driving mechanism comprises a motor arranged on the frame, and a motor shaft of the motor is in transmission connection with at least one of the four parts of the left front wheel, the right front wheel, the left rear wheel and the right rear wheel through a transmission mechanism.

8. The children's electric vehicle of claim 7, wherein: the transmission mechanism comprises a chain and a flywheel, the flywheel is rotationally connected to the frame through a flywheel shaft, the chain is connected with the motor shaft and the flywheel, and the flywheel shaft is at least connected with one of the four parts, namely the left front wheel, the right front wheel, the left rear wheel and the right rear wheel, through a universal joint.

9. The children's electric vehicle according to claim 1, wherein: the children electric vehicle further comprises a foot switch fixedly arranged on the frame, and the foot switch is electrically connected with the driving mechanism.