CN204688253U - After a kind of twin shaft, single wheel drives electronlmobil - Google Patents

Abstract

After the utility model discloses a kind of twin shaft, single wheel drives electronlmobil, comprising: vehicle frame; Two steering front wheeles, it is arranged on the front end of vehicle frame; Rear drive sprocket, it is arranged on the rear end of described vehicle frame by rear chain stay; Electrical motor, it drives described rear drive sprocket by chain gear.After the utility model adopts, single wheel drives, decrease the rolling resistance of vehicle during wheel kiss the earth, and omit the change-speed box of orthodox car and the assembly of diff, and then alleviate the curb mass of automobile, save the consumption of on-vehicle battery, thus greatly improve the flying power of vehicle; And arrange be connected with bumper add long lever, by the connection location regulating bumper and add between long lever, can be applicable to being used in different road conditions condition, allow vehicle drive wheel can be kept to be close to road surface under various road conditions condition, have enough propulsive efforts, method be simple, cost is low, lightweight and reach the requirement of strength of design.

Description

A dual-axle rear single-wheel drive electric vehicle

technical field

The utility model relates to the field of electric vehicles, in particular to an electric vehicle driven by a dual-axle rear single wheel.

Background technique

An electric vehicle refers to a vehicle powered by a vehicle-mounted power supply, driven by a motor to drive the wheels, and conforming to the requirements of road traffic and safety regulations. With the rapid development of the world economy, the penetration rate of automobiles is getting higher and higher, and the living standards of urban residents have increased sharply. One of the reasons for urban air pollution is excessive exhaust emissions from automobiles. However, due to air pollution, urban air The quality is deteriorating and the smog weather is increasing, so the requirements for vehicle exhaust emissions are also getting higher and higher. The ideal "zero emission" pure electric vehicle without pollution is the future development trend. The advantage of a pure electric vehicle is that it does not emit harmful gases that pollute the atmosphere, which is beneficial to energy conservation and reduction of carbon dioxide emissions. Because of these advantages, the research and application of electric vehicles is a hot topic in the automotive industry today.

At present, electric vehicles on the market continue the design idea of gasoline vehicles, and basically have four wheels. Because the rolling resistance of vehicles with four wheels contacting the ground increases, and vehicles with four wheels must have two driving wheels, this means The assembly of the transmission and the differential is required, and the device is complicated. At the same time, the transmission mechanism is relatively complicated, and the research and development and manufacturing costs are relatively high. This is not conducive to low-energy and low-power vehicles such as electric vehicles.

Utility model content

One purpose of the utility model is to provide a dual-axle rear single-wheel drive electric vehicle, which reduces the rolling resistance of the vehicle when the wheels touch the ground, and omits the assembly of the transmission and differential of a traditional vehicle. , thereby reducing the curb weight of the car and saving the consumption of the on-board battery, thereby greatly improving the endurance of the vehicle and providing at least the advantages described later.

Another purpose of this utility model is to adjust the connection position between the shock absorber and the lengthening lever by setting the lengthening lever connected with the shock absorber, so as to adapt to the unevenness of the road surface and keep the Drive wheels stick to the road.

Another purpose of the utility model is to convert solar energy into electric energy by providing a solar charging mechanism, prolong the driving time of the electric vehicle, avoid running out of power during driving, and the solar battery can adjust the angle with the position of the sun to make the solar energy The battery can receive the sun's radiation to the maximum extent so as to convert solar energy into electrical energy.

The technical scheme provided by the utility model is:

A two-axle rear single-wheel drive electric vehicle, comprising:

frame;

Two front steering wheels, which are arranged at the front end of the vehicle frame;

The rear drive wheel is arranged on the rear end of the vehicle frame through the rear fork;

An electric motor drives the rear drive wheel through a chain drive.

Preferably, in the described two-axle rear single-wheel drive electric vehicle, it also includes:

A round rod, which is fixedly connected to the rear end of the vehicle frame along the transverse direction of the vehicle frame, and a matching circular sleeve is rotatably sleeved on the outside of the circular rod, and the circular sleeve is connected to the rear balance fork One end away from the rear drive wheel is fixedly connected vertically;

An elongated lever, which is fixedly connected to the rear fork and away from the rear drive wheel, and forms an angle of 120° with the rear fork;

Shock absorber, one end of which is fixedly connected to the rear end of the vehicle frame, the other end is provided with a first through hole, and the elongated lever is uniformly provided with a plurality of matching second through holes along its length direction, and the bolts are sequentially connecting the shock absorber and the extension lever through the first through hole and any one of the second through holes;

And the shock absorber and the extension lever are respectively vertically arranged with the circular sleeve.

Preferably, in the described two-axle rear single-wheel drive electric vehicle, it also includes:

The shell and the seat, the wheel steering device, the wheel brake device, the driving control device, the motor speed regulation control device and the storage battery pack are arranged on the vehicle frame.

Preferably, in the described two-axle rear single-wheel drive electric vehicle, an anti-collision device is also included, which includes:

a stainless steel sheet disposed along the lower periphery of the housing;

A plurality of V-shaped reinforcing beams, which are arranged at intervals between the stainless steel sheet and the vehicle frame, and the V-shaped reinforcing beams are composed of two metal plates at an angle of 75° to 90°, and the metal plates A plurality of through holes are uniformly opened on the surface, and the diameter of the through holes is 2-2.5mm;

A plurality of damping springs, the two ends of which are respectively connected to the stainless steel sheet and the housing, and a damping spring is arranged between any two V-shaped reinforcing beams.

Preferably, in the dual-axle rear single-wheel drive electric vehicle, the surface of the stainless steel sheet is covered with a rubber pad with a thickness of 1-1.5 cm.

Preferably, in the described two-axle rear single-wheel drive electric vehicle, it also includes a solar charging mechanism, which includes:

a vertical panel vertically attached to the seat back;

a horizontal plate, which is rotatably connected to the vertical plate through a first rotating shaft, and a first stop protrusion for limiting the angle between the vertical plate and the horizontal plate is arranged on the first rotating shaft block, so that the horizontal plate and the vertical plate are 90-270°, and a groove is provided on the surface of the horizontal plate;

The first solar panel is embedded in the groove.

Preferably, in the two-axle rear single-wheel drive electric vehicle, the motor is a DC series motor.

The utility model at least includes the following beneficial effects: the use of rear single-wheel drive reduces the rolling resistance of the vehicle when the wheels touch the ground, and omits the assembly of the transmission and differential of the traditional car, thereby reducing the curb weight of the car and saving the vehicle battery consumption, thereby greatly improving the battery life; by setting the lengthened lever connected to the shock absorber and adjusting the angle between the shock absorber and the lengthened lever, it can adapt to changes in uneven road surfaces. When driving on uneven roads, always Keep the driving wheels close to the road; through the solar charging mechanism, the solar energy can be converted into electric energy, prolong the driving time of the electric vehicle, avoid running out of power during driving, and the solar battery can adjust the angle according to the position of the sun, making the solar battery It can receive the sun's irradiation in the largest range to convert solar energy into electrical energy.

Other advantages, objectives and features of the utility model will partly be embodied through the following description, and partly will be understood by those skilled in the art through the research and practice of the utility model.

Description of drawings

Fig. 1 is the structural representation of the biaxial rear single-wheel drive electric vehicle described in the utility model;

Fig. 2 is the structure diagram of the anti-collision device in the biaxial rear single-wheel drive electric vehicle described in the utility model;

Fig. 3 is a structural schematic diagram of the solar charging mechanism in the dual-axle rear single-wheel drive electric vehicle of the present invention.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it by referring to the description.

As shown in Figure 1, the utility model provides a dual-axle rear single-wheel drive electric vehicle, including:

frame 1;

Two front steering wheels 2, which are arranged on the front end of the vehicle frame 1;

Rear driving wheel 3, which is arranged on the rear end of the vehicle frame 1 through the rear fork 5;

An electric motor drives the rear drive wheel 3 through a chain drive.

The electric vehicle of the present utility model is a three-wheeled electric vehicle, which reduces the rolling resistance of the vehicle when the wheels touch the ground. The steering control of the wheel, the rear end has a said rear driving wheel 3, which adopts the rear single wheel drive, omits the assembly of the transmission and differential of the traditional car, and then reduces the curb weight of the car, saves the consumption of the vehicle battery, and prepares The process is simple, the cost is low, and it is suitable for low-energy and low-power vehicles such as electric vehicles.

In the described two-axle rear single-wheel drive electric vehicle, it also includes:

A round rod, which is fixedly connected to the rear end of the vehicle frame 1 along the transverse direction of the vehicle frame 1, and a matching round sleeve 4 is rotatably sleeved on the outside of the round rod, and the round sleeve 4 is connected to the One end of the rear fork 5 away from the rear drive wheel 3 is fixed and vertically connected;

Extended lever 6, which is fixedly connected to the rear fork 5 and away from the rear drive wheel 3, the extended lever 6 and the rear fork 5 form an angle of 120 °;

Shock absorber 7, one end of which is fixedly connected to the rear end of the frame 1, the other end is provided with a first through hole, and the elongated lever 6 is evenly provided with a plurality of matching second through holes along its length direction , bolts sequentially pass through the first through hole and any one of the second through holes to connect the shock absorber 7 and the extension lever 6;

And the shock absorber 7 and the extension lever 6 are respectively vertically arranged with the circular sleeve 4 .

Before driving, connect the shock absorber 7 and the extension lever 6 through the bolt passing through the first through hole and the different second through hole, thereby adjusting the shock absorber 7 and the Lengthen the angle between the levers 6 to adjust the height of the vehicle body to adapt to the unevenness of the road surface, and keep the driving wheels close to the road surface when driving on the uneven road surface.

In the described two-axle rear single-wheel drive electric vehicle, it also includes:

The housing 110, seat 120, wheel steering device, wheel brake device, driving control device, motor speed control device and battery pack 130 arranged on the vehicle frame 1, the housing 110 is an open-top type, and the The seat 120 is installed on the vehicle frame 1 , and the battery is placed on the vehicle frame 1 near the rear of the seat 120 .

As shown in Figure 2, in the described two-axle rear single-wheel drive electric vehicle, also comprise anti-collision device, it comprises:

stainless steel sheet 810, which is arranged along the lower periphery of the housing 110;

A plurality of V-shaped reinforcing beams 820 are arranged at intervals between the stainless steel sheet 810 and the housing 110, and the V-shaped reinforcing beams 820 are composed of two metal plates with an included angle of 75°-90°, A plurality of through holes are evenly opened on the surface of the metal plate, and the diameter of the through holes is 2-2.5mm;

A plurality of damping springs 830 are connected to the stainless steel sheet 810 and the housing 110 at both ends, and one damping spring 830 is provided between any two V-shaped reinforcing beams 820 .

In the electric vehicle driven by two axle rear single wheels, the surface of the stainless steel sheet 810 is coated with a rubber pad with a thickness of 1-1.5cm.

The stainless steel sheet 810 is arranged on the outer periphery of the lower part of the housing 110, which can effectively minimize the damage of the collision object to the vehicle itself in the event of an emergency collision, and the stainless steel sheet 810 is arranged at intervals between the housing 110 and the stainless steel sheet 810. A plurality of V-shaped reinforcing beams 820 and a plurality of shock absorbing springs 830 further improve the anti-collision capability of the car and improve its safety performance, and the shock absorbing springs 830 can play a good buffering effect on collisions; The metal plate of the V-shaped reinforcing beam 810 offers a plurality of through holes with a diameter of 2-2.5 mm, so that the weight burden of the V-shaped reinforcing beam can be reduced without reducing its resistance due to the existence of the through holes. Compressive strength: The surface of the stainless steel sheet 810 is covered with a rubber pad with a thickness of 1-1.5cm. Due to the good elasticity of the rubber, the damage and impact caused by the collision are further reduced. If the thickness of the rubber is too low, the anti-collision cushioning effect will not be good. If the thickness is too high, the material will be wasted and the appearance will be affected.

As shown in Figure 3, in the described biaxial rear single-wheel drive electric vehicle, it also includes a solar charging mechanism, which includes:

a vertical plate 910, which is vertically connected to the back of the seat 120;

A horizontal plate 920, which is rotatably connected to the vertical plate 910 through a first rotating shaft 930, the first rotating shaft 930 is provided with an angle for limiting the vertical plate 910 and the horizontal plate 920 The first limit protrusion of the horizontal plate 920 and the vertical plate 910 form a 90-270° angle, and a groove is provided on the surface of the horizontal plate 920;

The first solar panel 940 is embedded in the groove.

The vertical plate 910 is vertically connected to the seat back of the seat 120, the horizontal plate 920 can rotate around the first rotating shaft 930, and forms an angle of 90-270° with the vertical plate 910, and the The surface of the horizontal plate 920 is provided with a groove, and the first solar battery panel 930 is arranged in the groove, so that the first solar battery panel 940 can adjust its own angle with the change of the sun position to maximize the area. Accept the irradiation of solar energy, maximize the use of solar energy, thereby converting energy into electrical energy, and providing electrical energy for electric vehicles.

In the electric vehicle with two-axle rear single-wheel drive, the surface of the first solar cell panel 930 is covered with a waterproof and breathable film with a thickness of 3-5 mm to prevent the first solar cell panel from being wetted by water vapor or rainwater. damage caused.

In the dual-axis rear single-wheel drive electric vehicle, the motor adopts a DC series motor, which has soft mechanical characteristics, and its torque and speed can be adjusted by itself with changes in running resistance and running conditions. Reliable and easy to operate.

The utility model relates to an electric vehicle, which belongs to the technical field of transportation means. The utility model relates to a vehicle powered by a vehicle-mounted power supply, driven by a motor to drive rear axle wheels, and conforms to various requirements of road traffic and safety regulations. The frame structure of the electric vehicle is a side beam type frame structure, the vehicle has two front steering wheels, one rear driving wheel, and a driver's seat and a passenger seat. Its structure includes: body, chassis, wheels, seats, driving control mechanism, driving drive motor, power supply and motor speed control device. The seat, the driving control mechanism, the driving motor, the power supply and the speed regulation control device of the motor are all arranged on the vehicle chassis composed of two side beams. Described wheel is connected on the vehicle chassis by independent suspension mechanism. The body is mounted above the vehicle chassis. The electric vehicle integrates entertainment and use, and is the preferred vehicle for renting tourists in some parks or scenic spots.

A two-axle rear single-wheel-drive electric vehicle includes: a body, a chassis, wheels, a seat, a driving control mechanism, a driving driving motor, a power supply, a speed regulation control device for the motor, and the like. The frame structure of the vehicle is a side-beam body structure. There are two front steering wheels and one rear driving wheel. There is a driver's seat and a co-pilot's seat. The device and the driving control mechanism are used as the driving control mode of the vehicle.

In the dual-axle rear single-wheel drive electric vehicle, two front wheels, one left and one right, are steering wheels to realize steering manipulation through a rack-and-pinion steering gear and the like. The rear wheel is a single wheel, powered by an electric motor and driven by a chain drive.

The chassis layout of the two-axle rear single-wheel drive electric vehicle is arranged in an inverted triangle with two side beams supporting the whole vehicle, and the suspension, driving and driving control mechanisms are all arranged on the chassis.

The chassis of the two-axle rear single-wheel drive electric vehicle is characterized in that the front suspension is a double-wishbone independent suspension, which is arranged at the vertices of both sides of the inverted triangle side beam. The rear suspension is a lever-type independent suspension, which is arranged at the rear end of the inverted triangular side beam.

The rear suspension of the dual-axle rear single-wheel-drive electric vehicle is characterized by a uniquely designed lever-type independent suspension mechanism supported by a coil spring, which can automatically adapt to changes in unevenness of the road surface, and is cleverly arranged using a chain drive to make it Drive structural insights with low fabrication costs.

The dual-axle rear single-wheel drive electric vehicle adopts a DC series motor control system with "soft" mechanical characteristics. The system works reliably and is easy to operate. The motor and control device are arranged behind the seat of the vehicle.

In the dual-axle rear single-wheel drive electric vehicle, the driver's seat and the passenger's seat are arranged in the middle of the vehicle, the driver's seat is on the left and the passenger's seat is on the right, and the corresponding steering wheel, accelerator, brake and other operating mechanisms are also arranged on the side of the driver's seat .

In the dual-axle rear single-wheel drive electric vehicle, the body is installed on the chassis of the vehicle, and is designed as a streamlined convertible, exposing the driver's seat and the passenger's seat.

The body of the dual-axle rear single-wheel drive electric vehicle incorporates modern sports car elements, which is beautiful and elegant. The body material is made of glass fiber reinforced plastics. The manufacturing method is simple, low in cost, light in weight, and meets the strength requirements of the design.

In summary, the utility model has the following beneficial effects: 1) the rear axle single-wheel drive is adopted in the works, the chassis structure of the vehicle body is triangular, and the driving stability is high. Excellent curb quality, saving the consumption of the vehicle battery, thus greatly improving the endurance of the vehicle. 2) The rear wheel suspension is an innovative design, using a coil spring lever-type independent suspension mechanism, which can automatically adapt to changes in uneven road surfaces, and always keep the driving wheels close to the road surface when driving on uneven road surfaces, so that the driving force is reliable . 3) According to the requirements of the driving characteristics of the car, a DC series motor control system with "soft" mechanical characteristics is designed. The system works reliably and is easy to operate. 4) The body is designed in a streamlined convertible style, incorporating modern sports car elements, which is beautiful and elegant; the body material is made of fiberglass, which has a simple manufacturing method, low cost, and light weight, and meets the strength requirements of the design.

Although the embodiment of the present utility model has been disclosed as above, it is not limited to the use listed in the description and the implementation, and it can be applied to various fields suitable for the present utility model. For those familiar with the art, Further modifications can be readily effected, so the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (7)

1. A dual-axle rear single-wheel drive electric vehicle is characterized in that, comprising: frame; Two front steering wheels, which are arranged at the front end of the vehicle frame; The rear drive wheel is arranged on the rear end of the vehicle frame through the rear fork; An electric motor drives the rear drive wheel through a chain drive. 2. The dual-axle rear single-wheel drive electric vehicle as claimed in claim 1, further comprising: A round rod, which is fixedly connected to the rear end of the vehicle frame along the transverse direction of the vehicle frame, and a matching circular sleeve is rotatably sleeved on the outside of the circular rod, and the circular sleeve is connected to the rear balance fork One end away from the rear drive wheel is fixedly connected vertically; An elongated lever, which is fixedly connected to the rear fork and away from the rear drive wheel, and forms an angle of 120° with the rear fork; Shock absorber, one end of which is fixedly connected to the rear end of the vehicle frame, the other end is provided with a first through hole, and the elongated lever is uniformly provided with a plurality of matching second through holes along its length direction, and the bolts are sequentially connecting the shock absorber and the extension lever through the first through hole and any one of the second through holes; And the shock absorber and the extension lever are respectively vertically arranged with the circular sleeve. 3. The dual-axle rear single-wheel drive electric vehicle as claimed in claim 2, further comprising: a housing and a seat arranged on the vehicle frame, a wheel steering device, a wheel brake device, and a driving control device , motor speed control device and battery pack. 4. The dual-axle rear single-wheel drive electric vehicle as claimed in claim 3, further comprising an anti-collision device comprising: a stainless steel sheet disposed along the lower periphery of the housing; A plurality of V-shaped reinforcing beams, which are arranged at intervals between the stainless steel sheet and the vehicle frame, and the V-shaped reinforcing beams are composed of two metal plates at an angle of 75° to 90°, and the metal plates A plurality of through holes are uniformly opened on the surface, and the diameter of the through holes is 2-2.5mm; A plurality of damping springs, the two ends of which are respectively connected to the stainless steel sheet and the housing, and a damping spring is arranged between any two V-shaped reinforcing beams. 5. The dual-axle rear single-wheel drive electric vehicle according to claim 4, wherein the surface of the stainless steel sheet is coated with a rubber pad with a thickness of 1-1.5 cm. 6. The dual-axle rear single-wheel drive electric vehicle as claimed in claim 5, further comprising, a solar charging mechanism comprising: a vertical panel vertically attached to the seat back; a horizontal plate, which is rotatably connected to the vertical plate through a first rotating shaft, and a first stop protrusion for limiting the angle between the vertical plate and the horizontal plate is arranged on the first rotating shaft block, so that the horizontal plate and the vertical plate are 90-270°, and a groove is provided on the surface of the horizontal plate; The first solar panel is embedded in the groove. 7. The dual-axle rear single-wheel drive electric vehicle according to claim 6, wherein the motor is a DC series motor.