CN106915404B

CN106915404B - Electric vehicle

Info

Publication number: CN106915404B
Application number: CN201511008539.2A
Authority: CN
Inventors: 温目均
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-12-25
Filing date: 2015-12-25
Publication date: 2022-08-09
Anticipated expiration: 2035-12-25
Also published as: CN106915404A

Abstract

The invention discloses an electric vehicle, which belongs to the field of mobility scooter and comprises a frame, a driving motor, a first wheel and a second wheel; the first wheel is arranged at the front end of the frame and driven to rotate by a driving motor, and the driving motor is connected with a battery box for supplying power so as to realize the movement of converting electric energy into mechanical energy; the electric vehicle also comprises a connecting rod steering assembly; the connecting rod steering assembly comprises a steering middle shaft disc, a first steering connecting rod, a second steering connecting rod, a first steering swing arm and a second steering swing arm; the second steering swing arm and the first steering swing arm can swing correspondingly, and the electric vehicle deviates leftwards or rightwards integrally, so that the side-sliding swinging steering is realized, and the entertainment performance is improved.

Description

Electric vehicle

Technical Field

The invention relates to the field of mobility vehicles, in particular to an electric vehicle.

Background

Electric vehicles, i.e. electrically driven vehicles, also known as electrically driven vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed.

The traditional small-sized electric vehicle can only realize common turning and turning, has poor entertainment performance, can not realize sideslip swing (namely drift of people commonly), and can not bring more fun to drivers, especially the small-sized electric vehicle with three wheels can cause rollover if the driver forcibly performs sideslip swing and turning.

Disclosure of Invention

In order to solve the problems, the invention provides an electric vehicle which can realize sideslip swing steering and increase entertainment performance.

The technical scheme adopted by the invention is as follows: an electric vehicle comprises a frame, a driving motor, a first wheel and a second wheel; the first wheel is arranged at the front end of the frame and driven to rotate by a driving motor, and the driving motor is connected with a battery box for supplying power so as to realize the movement of converting electric energy into mechanical energy; the electric vehicle also comprises a connecting rod steering assembly; the connecting rod steering assembly comprises a steering middle shaft disc, a first steering connecting rod, a second steering connecting rod, a first steering swing arm and a second steering swing arm; the lower end of the frame is provided with a fixed connecting shaft, and the steering middle shaft disc is connected with the fixed connecting shaft so as to lead the steering middle shaft disc to swing up and down around the fixed connecting shaft; the front end of the first steering swing arm is hinged with the lower end of the right side of the frame, the rear end of the first steering swing arm is connected with one of the second wheels through a shaft, one end of the first steering connecting rod is connected with the right side of the steering middle shaft disc, and one end of the first steering connecting rod is connected with the front end of the first steering swing arm so as to limit the first steering swing arm to swing; the front end of the second steering swing arm is hinged with the lower end of the left side of the frame, the rear end of the second steering swing arm is connected with another second wheel through a shaft, one end of the second steering connecting rod is connected with the left side of the steering middle shaft disc, and one end of the second steering connecting rod is connected with the front end of the second steering swing arm, so that the second steering swing arm and the first steering swing arm can swing correspondingly, and the electric vehicle deviates leftwards or rightwards integrally to realize sideslip swing steering.

In the technical scheme, the connecting structure of the first steering connecting rod and the steering middle shaft disc is a universal wheel sleeving structure, the connecting structure of the first steering connecting rod and the front end of the first steering swing arm is a universal wheel sleeving structure, and the first steering connecting rod is large in linkage amplitude and not prone to being blocked.

In the technical scheme, the connecting structure of the second steering connecting rod and the steering middle shaft disc is a universal wheel sleeving structure, the connecting structure of the second steering connecting rod and the front end of the second steering swing arm is a universal wheel sleeving structure, and the second steering connecting rod is large in linkage amplitude and not prone to being blocked.

In above-mentioned technical scheme, first steering linkage is equipped with first adjusting screw to adjust the length of first steering linkage, and then adjust first steering swing arm amplitude of oscillation.

In the above technical scheme, the second steering connecting rod is provided with a second adjusting screw to adjust the length of the second steering connecting rod, and further adjust the swing amplitude of the second steering swing arm.

In the technical scheme, the fixed connecting shaft is symmetrically provided with the limiting bulges, and the steering center shaft disc is provided with the limiting grooves corresponding to the limiting bulges, so that the amplitude of the vertical swing of the steering center shaft disc is limited.

In the technical scheme, the limiting protrusion is an arc-shaped protrusion, the limiting groove is an arc-shaped groove, and the limiting protrusion and the limiting groove rotate smoothly relative to each other and are not easy to block; the arc width of the limiting protrusion and the limiting groove is 10mm-20mm, and the swing amplitude of the steering middle shaft disc is properly limited.

In the technical scheme, the steering middle shaft disc is also provided with an inner bearing, and the inner bearing is in interference sleeve joint with the fixed connecting shaft, so that the steering middle shaft disc can rotate smoothly.

In the above technical scheme, all be equipped with the footboard on first steering swing arm and the second steering swing arm to make things convenient for the driver to step on first steering swing arm and second steering swing arm, utilize the first steering swing arm of health swing and second steering swing arm.

In the above technical scheme, the driving motor is further connected with a driving control handle to control the driving motor to accelerate and decelerate.

The invention has the beneficial effects that: the electric vehicle is provided with a connecting rod steering assembly, so that a second steering swing arm and a first steering swing arm can swing correspondingly, and the electric vehicle deviates leftwards or rightwards integrally to realize sideslip swinging steering; and each part of the connecting rod steering assembly limits the swing mutually, so that the swing amplitude of the second steering swing arm and the first steering swing arm is proper and stable, and the overturning can not be caused when the side-slipping swing turning is carried out.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the link steering assembly of the present invention;

FIG. 3 is an exploded cross-sectional view of the fixed coupling shaft and steering bottom bracket bearing assembly of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 3 schematically show an electric vehicle according to an embodiment of the present invention.

An electric vehicle comprises a frame, a drive motor 2, a first wheel 3 and two second wheels 4.

The frame comprises a main frame 11, a frame front fork 12 and a handlebar 13; the frame front fork 12 is connected with the handlebar 13 end to end, the frame front fork 12 is arranged at the front end of the main frame 11 in a penetrating mode, and the handlebar 13 controls the frame front fork 12 to rotate. The first wheel 3 is provided with only one, the first wheel 3 is connected with the lower end of a front fork 12 of the frame, and the first wheel 3 supports the front end of a main frame 11. The driving motor 2 is a disc type motor, the driving motor 2 is fixed at the position of the circle center of the first wheel 3, the first wheel 3 is driven to rotate by the driving motor 2, the driving motor 2 is connected with a battery box 22 for supplying power, and the battery box 22 is arranged at the rear end of the main frame 11 to realize the movement of converting electric energy into mechanical energy; the driving motor 2 is further connected with a driving control handle 21, and the driving control handle 21 is sleeved on the upper right end of the handlebar 13 to control the driving motor 2 to accelerate and decelerate.

The electric vehicle further comprises a link steering assembly 5.

The link steering assembly 5 includes a steering center shaft 51, a first steering link 52, a second steering link 53, a first steering swing arm 54, and a second steering swing arm 55.

The main frame 11 is provided with a fixed connecting shaft 14, and the fixed connecting shaft 14 is positioned at the lower end of the main frame 11 and faces forwards horizontally; the steering center shaft disk 51 is connected to the fixed coupling shaft 14 so that the steering center shaft disk 51 can swing up and down about the fixed coupling shaft 14. The bottom of the fixed connecting shaft 14 is symmetrically provided with limiting protrusions 141, and the steering middle shaft disc 51 is provided with limiting grooves 511 corresponding to the limiting protrusions 141, so that the amplitude of the vertical swing of the steering middle shaft disc 51 is limited. The limiting protrusion 141 is an arc-shaped protrusion, the limiting groove 511 is an arc-shaped groove, and the limiting protrusion 141 and the limiting groove 511 rotate smoothly relative to each other and are not easy to be blocked; the arc width of the limiting protrusion 141 and the limiting groove 511 is 10mm-20mm, and the swing amplitude of the steering central shaft disc 51 is properly limited. The steering central shaft disc 51 is also provided with an inner bearing 512, and the inner bearing 512 is in interference fit with the fixed connecting shaft 14, so that the steering central shaft disc 51 can rotate smoothly.

The whole first steering swing arm 54 is a cuboid, the front end of the first steering swing arm 54 is hinged with the lower end of the right side of the main frame 11, and the rear end of the first steering swing arm 54 is connected with one of the second wheels 4 through a shaft; first steering connecting rod 52 is rectangular form, and first steering connecting rod 52 one end is connected and is turned to the right side of central hub 51, and first steering connecting rod 52 one end is connected first steering swing arm 54 front end to the swing of restriction first steering swing arm 54, and the connection structure of first steering connecting rod 52 and central hub 51 is the universal wheel socket joint structure in turning to, and the connection structure of first steering connecting rod 52 and first steering swing arm 54 front end is the universal wheel socket joint structure, and first steering connecting rod 52 is big and difficult card is died in the interlock when the interlock. The first adjusting screw 56 is arranged in the middle of the first steering connecting rod 52, and the first adjusting screw 56 is in threaded connection with both ends of the first steering connecting rod 52 to adjust the length of the first steering connecting rod 52 and further adjust the swing amplitude of the first steering swing arm 54.

The first steering link 52 and the first steering swing arm 54 are both disposed symmetrically to the second steering link 53 and the second steering swing arm 55.

The whole second steering swing arm 55 is a cuboid, the front end of the second steering swing arm 55 is hinged with the lower end of the left side of the main frame 11, and the rear end of the second steering swing arm 55 is connected with another second wheel 4 through a shaft; second turns to connecting rod 53 and is rectangular form, and second turns to connecting rod 53 two ends and connects to turn to in the central hub 51 left side, and second turns to connecting rod 53 two ends and connects second and turns to swing arm 55 front end to the restriction second turns to the swing arm 55 swing, and second turns to connecting rod 53 and turns to the connection structure of central hub 51 and be universal wheel socket joint structure, and the connection structure that second turned to connecting rod 53 and second and turns to swing arm 55 front end is universal wheel socket joint structure, and second turns to connecting rod 53 linkage range when the interlock is big and difficult card is died. The middle of the second steering connecting rod 53 is provided with a second adjusting screw 57, and the second adjusting screw 57 is in threaded connection with both ends of the second steering connecting rod 53 to adjust the length of the second steering connecting rod 53, so as to adjust the swing amplitude of the second steering swing arm 53.

The structure enables the body to swing the first steering swing arm 55 and the second steering swing arm 54, the second steering swing arm 55 and the first steering swing arm 54 can swing correspondingly, and the electric vehicle is wholly deviated leftwards or rightwards, so that the side sliding swing steering is realized.

As described above, the pedals 6 are provided on both the first steering swing arm 54 and the second steering swing arm 55, so that the driver can easily step on the first steering swing arm 54 and the second steering swing arm 55 and swing the first steering swing arm 54 and the second steering swing arm 55 by his body.

In the above, the electric vehicle further comprises a disc brake assembly for braking the electric vehicle; the disc brake assembly comprises a disc brake 71 and a disc brake control handle 72, the disc brake control handle 72 is connected with the disc brake 71, and the disc brake controller 72 is sleeved on the upper left end of the handlebar 13; the two second wheels 4 are provided with disc brakes 71, so that the brake is not out of control.

As described above, the main frame 11 may be provided with a seat (not shown).

The above examples are intended to illustrate rather than to limit the invention, and all equivalent changes and modifications made by the methods described in the claims of the present invention are intended to be included within the scope of the present invention.

Claims

1. An electric vehicle comprises a frame, a driving motor, a first wheel and a second wheel; the first wheel is arranged at the front end of the frame and driven to rotate by a driving motor, and the driving motor is connected with a battery box for supplying power so as to realize the movement of converting electric energy into mechanical energy; the electric vehicle is characterized by also comprising a connecting rod steering assembly; the connecting rod steering assembly comprises a steering middle shaft disc, a first steering connecting rod, a second steering connecting rod, a first steering swing arm and a second steering swing arm; the lower end of the frame is provided with a fixed connecting shaft, and a steering middle shaft disc is connected with the fixed connecting shaft so as to enable the steering middle shaft disc to swing up and down around the fixed connecting shaft; the front end of the first steering swing arm is hinged with the lower end of the right side of the frame, the rear end of the first steering swing arm is connected with one of the second wheels through a shaft, one end of a first steering connecting rod is connected with the right side of the steering middle shaft disc, and one end of the first steering connecting rod is connected with the front end of the first steering swing arm so as to limit the first steering swing arm to swing; the second turns to swing arm front end and frame left side lower extreme and articulates, and the second turns to swing arm rear end hub connection another the second wheel, second turn to tie rod one end and connect and turn to the central hub left side, and second turns to tie rod one end and connects the second and turn to the swing arm front end to make the second turn to swing arm and first turn to the swing arm can corresponding swing, the whole left or right deviation of electric motor car realizes sideslipping swing and turns to.

2. An electric vehicle according to claim 1, characterized in that: the connecting structure of the first steering connecting rod and the steering middle shaft disc is a universal wheel sleeving structure, and the connecting structure of the first steering connecting rod and the front end of the first steering swing arm is a universal wheel sleeving structure.

3. An electric vehicle according to claim 1, characterized in that: the connecting structure of the second steering connecting rod and the steering middle shaft disc is a universal wheel sleeving structure, and the connecting structure of the second steering connecting rod and the front end of the second steering swing arm is a universal wheel sleeving structure.

4. An electric vehicle according to claim 1, characterized in that: the first steering connecting rod is provided with a first adjusting screw rod to adjust the length of the first steering connecting rod.

5. An electric vehicle according to claim 1, characterized in that: the second steering connecting rod is provided with a second adjusting screw rod to adjust the length of the second steering connecting rod.

6. An electric vehicle according to claim 1, characterized in that: the fixed connecting shaft is symmetrically provided with limiting bulges, and the steering center shaft disc is provided with limiting grooves corresponding to the limiting bulges, so that the amplitude of vertical swing of the steering center shaft disc is limited.

7. An electric vehicle according to claim 6, characterized in that: the limiting protrusion is an arc protrusion, the limiting groove is an arc groove, and the limiting protrusion and the limiting groove rotate smoothly relative to each other and are not easy to clamp; the arc width of the limiting protrusion and the limiting groove is 10mm-20 mm.

8. An electric vehicle according to claim 6, characterized in that: the steering central shaft disc is also provided with an inner bearing, and the inner bearing is in interference sleeve joint with the fixed connecting shaft, so that the steering central shaft disc can smoothly rotate.

9. An electric vehicle according to claim 1, characterized in that: pedals are arranged on the first steering swing arm and the second steering swing arm.

10. An electric vehicle according to claim 1, characterized in that: the driving motor is also connected with a driving control handle to control the driving motor to accelerate and decelerate.