CN205440679U - Electric vehicle - Google Patents

Abstract

The utility model discloses an electric vehicle, belonging to the field of mobility scooter, which 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

an electric car

technical field

The utility model relates to the field of scooter, in particular to an electric vehicle.

Background technique

An electric vehicle is an electric drive vehicle, also known as an electric drive vehicle. Electric vehicles are divided into AC electric vehicles and DC electric vehicles. Generally speaking, electric vehicles use batteries as the energy source, and convert electrical energy into mechanical energy through controllers, motors and other components to control the current and change the speed of the vehicle.

Traditional small electric vehicles can only realize ordinary turning and turning, the entertainment performance is poor, and they cannot realize side-slip swing (that is, drifting as people often say), and cannot bring more fun to drivers, especially small three-wheelers. Wheel electric vehicles, if forced to make a side-slip swing turn will cause rollover.

Utility model content

In order to solve the above problems, the utility model provides an electric vehicle, which can realize side-slip swing steering and increase entertainment performance.

The technical scheme adopted by the utility model is: an electric vehicle, including a vehicle frame, a driving motor, a first wheel and a second wheel; the first wheel is arranged at the front end of the vehicle frame, and the first wheel is driven to rotate by a driving motor, Connected with a battery box for power supply to realize the conversion of electrical energy into mechanical energy movement; this electric vehicle also includes a link steering assembly; The swing arm and the second steering swing arm; the lower end of the frame is provided with a fixed coupling shaft, and the steering central shaft disc is connected with the fixed coupling shaft so that the steering central shaft disc can swing up and down around the fixed coupling shaft; the front end of the first steering swing arm and The lower end of the right side of the frame is hinged, the rear end of the first steering swing arm is connected to one of the second wheels, one end of the first steering link is connected to the right side of the steering center axle, and one end of the first steering link is connected to the front end of the first steering swing arm. To limit the swing of the first steering arm; the front end of the second steering arm is hinged to the lower end of the left side of the frame, the rear end of the second steering arm is connected to another second wheel, and one end of the second steering link is connected to the right side of the steering center shaft One end of the second steering link is connected to 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 as a whole is deflected to the left or right to realize side-slip swing steering.

In the above technical solution, the connection structure between the first steering link and the steering center shaft is a universal wheel socket structure, and the connection structure between the first steering link and the front end of the first steering swing arm is a universal wheel socket structure. When the first steering link is linked, the range of linkage is large and it is not easy to be stuck.

In the above technical solution, the connection structure between the second steering connecting rod and the steering center axle is a universal wheel socket structure, and the connection structure between the second steering connecting rod and the front end of the second steering swing arm is a universal wheel socket structure, When the second steering link is linked, the range of linkage is large and it is not easy to be stuck.

In the above technical solution, the first steering link is provided with a first adjusting screw to adjust the length of the first steering link, thereby adjusting the swing range of the first steering swing arm.

In the above technical solution, the second steering link is provided with a second adjusting screw to adjust the length of the second steering link, thereby adjusting the swing range of the second steering swing arm.

In the above technical solution, the fixed shaft is symmetrically provided with limiting protrusions, and the steering center shaft disc is provided with a limit groove corresponding to the limiting protrusions, which limits the amplitude of the steering center shaft disc's up and down swing.

In the above technical solution, the position-limiting protrusion is an arc-shaped protrusion, and the position-limiting groove is an arc-shaped groove. The relative rotation of the position-limiting protrusion and the position-limiting groove is smooth and difficult to be stuck; The width is 10mm-20mm, which properly limits the swinging range of the steering center axle.

In the above technical solution, the steering center shaft disc is also provided with an inner bearing, and the inner bearing and the fixed coupling shaft are interference-fitted so as to make the steering center shaft disc rotate smoothly.

In the above technical solution, both the first steering arm and the second steering arm are equipped with pedals, so that the driver can step on the first steering arm and the second steering arm, and use the body to swing the first steering arm. and second steering arm.

In the above technical solution, the drive motor is also connected with a drive control handle to control the acceleration and deceleration of the drive motor.

The beneficial effects of the utility model are: the electric vehicle has a connecting rod steering assembly, so that the second steering swing arm and the first steering swing arm can swing correspondingly, and the electric vehicle as a whole is deflected to the left or right to realize side-slip swing Steering; and each part of the link steering assembly restricts the swing mutually, so that the swing range of the second steering swing arm and the first steering swing arm is appropriate and stable, and the vehicle will not roll over during a side slip swing turn.

Description of drawings

Fig. 1 is a perspective view of the utility model;

Fig. 2 is a three-dimensional schematic view of the connecting rod steering assembly of the present invention;

Fig. 3 is an exploded cross-sectional schematic view of the connection between the fixed coupling shaft and the steering center shaft disc of the present invention.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

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

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

The vehicle frame comprises a main vehicle frame 11, a vehicle frame front fork 12 and a handlebar 13; Control vehicle frame front fork 12 to rotate. There is only one first wheel 3, the first wheel 3 is connected to the lower end of the front fork 12 of the frame, and the first wheel 3 supports the front end of the main frame 11. The drive motor 2 is a disc motor, and the drive motor 2 is fixed at the center of the first wheel 3. The first wheel 3 is driven to rotate by the drive motor 2. The drive motor 2 is connected to a battery box 22 for power supply, and the battery box 22 is located on the main frame 11. The rear end is to realize the conversion of electric energy into mechanical energy motion; the drive motor 2 is also connected with a drive control handle 21, and the drive control handle 21 is sleeved on the upper right end of the handlebar 13 to control the acceleration and deceleration of the drive motor 2.

The electric vehicle also includes a connecting rod steering assembly 5 .

The link steering assembly 5 includes a steering center shaft plate 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, which is located at the lower end of the main frame 11 and faces forward horizontally; the steering center shaft disc 51 is connected to the fixed connecting shaft 14 so that the steering center shaft disc 51 can be fixed around the Connecting shaft 14 swings up and down. The bottom of the fixed shaft 14 is symmetrically provided with a limit protrusion 141 , and the steering center shaft plate 51 is provided with a limit groove 511 corresponding to the limit protrusion 141 to limit the amplitude of the steering center shaft plate 51 swinging up and down. The position-limiting protrusion 141 is an arc-shaped protrusion, and the position-limiting groove 511 is an arc-shaped groove. The relative rotation of the position-limiting protrusion 141 and the position-limiting groove 511 is smooth and difficult to jam; The width is 10mm-20mm, which suitably limits the swing range of the steering center shaft disc 51 . The steering center shaft disc 51 is also provided with an inner bearing 512, and the inner bearing 512 and the fixed coupling shaft 14 are interference-fitted so as to make the steering center shaft disc 51 rotate smoothly.

The first steering swing arm 54 is a cuboid as a whole, the front end of the first steering swing arm 54 is hinged to the lower end of the main frame 11 right side, and the rear end of the first steering swing arm 54 is connected to one of the second wheels 4; the first steering link 52 It is elongated, one end of the first steering link 52 is connected to the right side of the steering center shaft disc 51, and one end of the first steering link 52 is connected to the front end of the first steering swing arm 54 to limit the swing of the first steering swing arm 54, and the first The connection structure between the steering connecting rod 52 and the steering center shaft plate 51 is a universal wheel socket structure, and the connection structure between the first steering connecting rod 52 and the front end of the first steering swing arm 54 is a universal wheel socket structure. The linkage range of the rod 52 is large and not easy to be stuck during linkage. The middle of the first steering link 52 is provided with a first adjustment screw 56, and the two ends of the first adjustment screw 56 and the first steering link 52 are all threaded to adjust the length of the first steering link 52, and then adjust the first adjustment screw 56. Steer to swing arm 54 swing range.

Both the first steering link 52 and the first steering swing arm 54 are arranged symmetrically with the second steering link 53 and the second steering swing arm 55 .

The second steering swing arm 55 is a cuboid as a whole, the front end of the second steering swing arm 55 is hinged to the lower end on the right side of the main frame 11, and the rear end of the second steering swing arm 55 is pivotally connected to another second wheel 4; the second steering link 53 It is elongated, and the two ends of the second steering link 53 are connected to the left side of the steering center shaft disk 51, and the two ends of the second steering link 53 are connected to the front end of the second steering swing arm 55 to limit the swing of the second steering swing arm 55, and The connecting structure of the second steering connecting rod 53 and the steering center shaft plate 51 is a universal wheel socket structure, and the connecting structure of the second steering connecting rod 53 and the front end of the second steering swing arm 55 is a universal wheel socket structure. The steering link 53 has a large linkage range and is not easy to be stuck when it is linked. The middle of the second steering link 53 is provided with a second adjustment screw 57, and the two ends of the second adjustment screw 57 and the second steering link 53 are all threaded to adjust the length of the second steering link 53, and then adjust the second adjustment screw 57. Steer to swing arm 53 swing range.

The above-mentioned 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 as a whole is deflected to the left or to the right, realizing sideways movement. Slip and swing steer.

As mentioned above, the first steering swing arm 54 and the second steering swing arm 55 are provided with pedals 6, so that the driver steps on the first steering swing arm 54 and the second steering swing arm 55, and utilizes the body to swing the first steering. swing arm 54 and a second steering swing arm 55 .

As mentioned above, this kind of electric vehicle also includes a disc brake assembly to brake this kind of electric vehicle; the disc brake assembly includes a disc brake 71 and a disc brake control handle 72, and the disc brake control handle 72 is connected to control the disc brake 71, and the disc brake The 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 brakes will not be out of control.

As mentioned above, a vehicle seat (not shown in the figure) may also be provided on the main frame 11 .

The above embodiments are only intended to illustrate rather than limit the utility model, so all equivalent changes or modifications made according to the method described in the scope of the patent application of the utility model are included in the scope of the patent application of the utility model.

Claims (10)

1. an electric motor car, including vehicle frame, drives motor, the first wheel and the second wheel；First wheel is located at vehicle frame front end, the first wheel by driving motor-driven rotation, drive motor connect have battery case to power, with realize electric energy be converted into mechanical energy motion；It is characterized in that, this kind of electric motor car also includes connecting rod steering assembly；Connecting rod steering assembly includes turning to middle reel, the first steering link, the second steering link, first turns to swing arm and second to turn to swing arm；Vehicle frame lower end is provided with fixing connecting shaft, turns to middle reel and described fixing connecting shaft axle to connect so that described in turn to middle reel can swing up and down around fixing connecting shaft；First turns to lower end on the right side of swing arm front end and vehicle frame hinged, described first turns to swing arm rear end axle to connect one of them described second wheel, first steering link one end connects and turns on the right side of middle reel, and first steering link one end connects and first turns to swing arm front end, turns to swing arm to swing limiting first；Second turns to lower end on the right side of swing arm front end and vehicle frame hinged, second turns to swing arm rear end axle to connect another described second wheel, second steering link one end connects and turns to axis to face left side, second steering link one end connects second and turns to swing arm front end, so that second turns to swing arm and first to turn to swing arm to swing accordingly, electric motor car entirety is partial to the left or to the right, it is achieved sideslip swing turns to.

A kind of electric motor car the most according to claim 1, it is characterised in that: described first steering link and the attachment structure turning to middle reel are universal wheel socket join structure, and the first steering link and first turns to the attachment structure of swing arm front end to be universal wheel socket join structure.

A kind of electric motor car the most according to claim 1, it is characterised in that: described second steering link and the attachment structure turning to middle reel are universal wheel socket join structure, and the second steering link and second turns to the attachment structure of swing arm front end to be universal wheel socket join structure.

A kind of electric motor car the most according to claim 1, it is characterised in that: described first steering link is provided with the first adjusting screw rod, to regulate the length of the first steering link.

A kind of electric motor car the most according to claim 1, it is characterised in that: described second steering link is provided with the second adjusting screw rod, to regulate the length of the second steering link.

A kind of electric motor car the most according to claim 1, it is characterised in that: described fixing connecting shaft is arranged with spacing preiection, turns to middle reel to be provided with the stopper slot of corresponding spacing preiection, limits the amplitude turning to middle reel to swing up and down.

A kind of electric motor car the most according to claim 6, it is characterised in that: described spacing preiection is arc convex, and stopper slot is that arcuate groove, spacing preiection and stopper slot relatively rotate smooth and easy and be difficult to stuck；The a width of 10mm-20mm of arc of spacing preiection and stopper slot, limits suitably and turns to middle reel amplitude of fluctuation.

A kind of electric motor car the most according to claim 6, it is characterised in that turn to middle reel to be additionally provided with inner bearing, inner bearing and fixing connecting shaft interference socket described in:, make to turn to middle reel to rotate smooth and easy.

A kind of electric motor car the most according to claim 1, it is characterised in that: described first turns to swing arm and second to turn to is designed with pedal in swing arm.

A kind of electric motor car the most according to claim 1, it is characterised in that: described driving motor is also associated with driving control handle, to control to drive motor acceleration and deceleration.