Electric vehicle front drive auxiliary device

Abstract

The utility model discloses an electric vehicle front drive auxiliary device which comprises a base, a differential assembly arranged on one side of the base and used for controlling the rotating speed of a front wheel, and a supporting assembly arranged on one side of the base and used for installing the differential assembly and a vehicle body. The utility model belongs to the technical field of electric vehicle assistance, and particularly relates to an electric vehicle front-drive auxiliary device.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric vehicle assistance, and in particular relates to a front drive assistance device for an electric vehicle. Background Art

[0002] At present, the range extender used in electric four-wheeled vehicles needs to pass through the battery before acting on the motor. The use process will greatly reduce the battery life, and replacing the battery will increase the additional vehicle cost; it cannot provide power for the vehicle and can only serve as a charging auxiliary. It cannot directly increase the vehicle's range or speed; it needs to operate at high load when the battery is low, resulting in relatively high fuel consumption, which deviates from the theory of energy saving and fuel saving of new energy electric four-wheeled vehicles; small engines are usually used. These engines will produce loud noise or vibration when working, affecting the driving experience, and will also create additional pressure on other components of the vehicle, reducing the service life of the vehicle.

[0003] The problem with the above patent is that the current vehicle auxiliary devices cannot directly provide forward power. The excess work is transferred to the battery and then to the motor, resulting in low noise, low vibration, and low fuel consumption, which affects the service life of the battery and the vehicle. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing vehicle auxiliary device cannot directly provide forward power, and the excess work is transferred to the battery and then to the motor, resulting in low noise, low vibration, low fuel consumption, and affecting the service life of the battery and the vehicle.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a front-wheel drive auxiliary device for an electric vehicle, comprising a base, and a differential assembly arranged on one side of the base, the differential assembly is used to realize the speed control of the front wheels, and a support assembly arranged on one side of the base, the support assembly is used to install the differential assembly on the vehicle body.

[0006] Furthermore, the differential assembly includes a housing, a differential, a half-shaft and a drive head. The housing is fixed to the front side of the base, a closed power chamber is formed in the housing, the differential is fixed inside the power chamber, the half-shaft is rotatably arranged on the right side of the housing, one end of the half-shaft is rotatably connected to the housing, the drive head is fixed to the other end of the half-shaft, the differential power part is connected to a driving wheel, and the half-shaft is fixed to an auxiliary driving wheel at one end close to the housing.

[0007] Furthermore, the driving wheel and the auxiliary driving wheel are meshed for transmission, a rotating motor is provided outside the housing, and a power shaft of the rotating motor is connected to the differential through a belt power.

[0008] Furthermore, the support assembly includes bracket one, bracket two and bracket three, the bracket one is arranged in an I-shape, the bracket two is connected to one end of the bracket one through a fixing bolt, and the bracket three is connected to the other end of the bracket one through a fixing bolt.

[0009] Furthermore, the bracket one is matched with the bracket two and the bracket three respectively, and the bracket one, the bracket two and the bracket three are fixedly connected to the lower end of the vehicle body by fixing bolts.

[0010] Furthermore, the semi-axes are arranged in two groups and are symmetrical along the center line.

[0011] After adopting the above structure, the utility model has the following beneficial effects:

[0012] (1) Realize four-wheel drive, increase escape and climbing capabilities, improve vehicle safety in rainy and snowy weather, and increase vehicle speed.

[0013] (2) It works independently without any impact on the vehicle's electronic control system, which is safer. The battery can still provide forward power even when it is low on power. It can also be used normally even if the vehicle's electronic control system is completely paralyzed.

[0014] (3) The noise and vibration are smaller than those of the range extender. After installation, it can improve the driving experience without causing additional damage to the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a half-section schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the support assembly structure of the utility model.

[0019] In the attached drawings: 1. base, 2. differential assembly, 3. support assembly, 4. housing, 5. differential, 6. half shaft, 7. head, 8. power chamber, 9. driving wheel, 10. auxiliary driving wheel, 11. bracket one, 12. bracket two, 13. bracket three. DETAILED DESCRIPTION

[0020] like Figure 1-3As shown, a front-wheel drive auxiliary device for an electric vehicle comprises a base 1, and a differential assembly 2 arranged on one side of the base 1, the differential assembly 2 is used to realize the speed control of the front wheels, and a support assembly 3 arranged on one side of the base 1, the support assembly 3 is used to install the differential assembly 2 on the vehicle body.

[0021] like Figure 2 As shown, the differential assembly 2 includes a housing 4, a differential 5, a half-shaft 6 and a head 7. The housing 4 is fixed to the front side of the base 1, and a closed power chamber 8 is formed in the housing 4. The differential 5 is fixed inside the power chamber 8. The half-shaft 6 is rotatably arranged on the right side of the housing 4. One end of the half-shaft 6 is rotatably connected to the housing 4. The head 7 is fixed to the other end of the half-shaft 6. The power part of the differential 5 is connected to a driving wheel 9, and the end of the half-shaft 6 close to the housing 4 is fixed to an auxiliary driving wheel 10.

[0022] like Figure 3 As shown, the support assembly 3 includes a bracket 11, a bracket 2 12 and a bracket 3 13. The bracket 11 is arranged in an I-shape, the bracket 2 12 is connected to one end of the bracket 11 through a fixing bolt, and the bracket 3 13 is connected to the other end of the bracket 11 through a fixing bolt.

[0023] Among them, the driving wheel 9 and the auxiliary driving wheel 10 are meshed for transmission, a rotating motor is provided on the outside of the housing 4, the power shaft of the rotating motor is connected to the differential 5 through belt power, the bracket 1 11, the bracket 2 12, and the bracket 3 13 fix the differential assembly 2 to the lower end of the vehicle body through fixing bolts, and the half shaft 6 is arranged in two groups, and is symmetrical along the center line.

[0024] When in use, firstly, the bracket 1 11, the bracket 2 12 and the bracket 3 13 are adapted to each other, the differential assembly 2 is fixed to the lower end of the front side of the vehicle body, and the head 7 is connected to the front wheels of the vehicle body through the fixing bolts.

[0025] When encountering rainy or snowy weather, the rotating motor is turned on, and the rotating motor drives the power shaft to rotate. The power shaft is connected to the power of the differential 5, driving the power input end of the differential 5 to rotate. After the differential 5 adjusts the rotation rate, it is output through the power output shaft of the differential 5, driving the driving wheel 9 connected to the power of the power shaft of the differential 5 to rotate, and the main force drives the auxiliary wheel 10 to rotate through the meshing transmission, and the auxiliary wheel 10 drives the head 7 to rotate through the half shaft 6. The head 7 rotates the front wheel fixed by the fixed shaft, providing power for the front wheel of the vehicle, improving the safety of the vehicle in rainy and snowy weather, and increasing the vehicle speed.

[0026] Then, the auxiliary device and the vehicle's electronic control system operate independently of each other, ensuring that the auxiliary device can provide forward momentum when there is a lack of power, and can be used normally even if the vehicle's electronic control system is completely paralyzed.

[0027] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A front-drive auxiliary device for an electric vehicle, characterized in that: It includes a base, a differential assembly arranged on one side of the base, the differential assembly is used to realize the speed control of the front wheels, and a support assembly arranged on one side of the base, the support assembly is used to install the differential assembly on the vehicle body.

2. The electric vehicle front-drive assist device according to claim 1, characterized in that: The differential assembly includes a housing, a differential, a half-shaft and a hub. The housing is fixed to the front side of the base, a closed power chamber is formed in the housing, the differential is fixed inside the power chamber, the half-shaft is rotatably arranged on the right side of the housing, one end of the half-shaft is rotatably connected to the housing, the hub is fixed to the other end of the half-shaft, the differential power part is connected to a driving wheel, and the half-shaft is fixed to an auxiliary driving wheel at one end close to the housing.

3. The electric vehicle front-drive assist device according to claim 2, characterized in that: The driving wheel and the auxiliary driving wheel are meshed for transmission, a rotating motor is arranged outside the housing, and a power shaft of the rotating motor is connected to the differential through a belt power.

4. The electric vehicle front-drive assist device according to claim 2, characterized in that: The semi-axes are arranged in two groups and are symmetrical along the center line.

5. The electric vehicle front-drive assist device according to claim 1 or 2, characterized in that: The support assembly includes a bracket 1, a bracket 2 and a bracket 3. The bracket 1 is arranged in an I-shape, the bracket 2 is connected to one end of the bracket 1 through a fixing bolt, and the bracket 3 is connected to the other end of the bracket 1 through a fixing bolt.

6. The electric vehicle front-drive auxiliary device according to claim 5, characterized in that: The bracket one is matched with the bracket two and the bracket three respectively, and the bracket one, the bracket two and the bracket three are fixedly connected to the lower end of the vehicle body by fixing bolts.

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