CN214296317U

CN214296317U - Drive control system shell body integrated structure for electric vehicle

Info

Publication number: CN214296317U
Application number: CN202022469630.7U
Authority: CN
Inventors: 李少波; 段仲静; 张钧星; 杨静; 苏援农
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-09-28
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a drive control system casing integral structure for electric motor car, including motor casing, gearbox housing, rear axle housing and wheel hub, motor casing fixed connection is in input one side of gearbox housing, and gearbox housing lower extreme is connected to the rear axle housing up end, and wheel hub fixed connection is provided with the brake disc of a body structure in rear axle housing internal rotation connection's rear axle transmission shaft tip on the wheel hub, and gearbox housing one side is provided with the electrical apparatus box rather than a body structure, rear axle housing both ends fixedly connected with bridge pipe. The utility model discloses shell to each part adopts reasonable layout and to the design of casing for drive in the tricycle rear axle, control structure's casing realize the integration, including each partial casing and brake disc, the arrangement of tricycle wheel hub on the casing such as motor, differential mechanism, controller, transmission shaft. The adjacent structures adopt a common shell design, so that the structure is more compact, and one shell meets the requirements of two shells of the structural parts.

Description

Drive control system shell body integrated structure for electric vehicle

Technical Field

The utility model belongs to the technical field of electric tricycle, a drive control system casing integral structure for electric motor car is related to.

Background

The electric tricycle is one of main transportation tools, can carry goods and passengers, is widely used in China, and has the characteristics of simple structure, mature technology, flexibility, maneuverability, convenience in use and the like. The traditional electric tricycle mostly adopts a sectional structure for a driving and controlling structure, each part needs to be independently designed and arranged with a device meeting the corresponding requirements, the whole structure is complex and redundant, and the cost is high. The shells of each structure are distributed, and when the shell faces impact, stress concentration positions exist among the structures, so that the shells are easy to collapse. .

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the utility model provides a drive control system casing integrated structure for electric motor car to solve the problem that exists among the above-mentioned prior art.

The utility model discloses the technical scheme who takes does: the utility model provides a drive control system casing integral structure for electric motor car, includes motor casing, gearbox housing, rear-axle housing and wheel hub, motor casing fixed connection is in input one side of gearbox housing, and gearbox housing lower extreme is connected to the rear-axle housing up end, and wheel hub fixed connection is provided with the brake disc of a body structure on the wheel hub at rear-axle housing internal rotation connection's rear axle transmission shaft tip, and gearbox housing one side is provided with the electrical apparatus box rather than a body structure, rear-axle housing both ends fixedly connected with bridge pipe.

Preferably, the gearbox housing comprises a first half box body and a second half box body which are fixedly butted, and a driving shaft and a driven shaft are rotationally connected in the gearbox housing.

Preferably, above-mentioned rear-axle housing is big disc structure, and both sides smooth transition is provided with two bridge pipes and rather than inside intercommunication, for one shot forming's integral type structure, and the downside sets up plane and lower plane respectively on the rear-axle housing, goes up the plane and is provided with the ring flange of connecting the gearbox, and lower plane lid closes the bottom of dome shape.

The utility model has the advantages that: compared with the prior art, the utility model discloses adopt rational layout and to the design of casing to each partial casing for drive in the tricycle rear axle, control structure's casing realizes the integration, including each partial casing and brake disc, the arrangement of tricycle wheel hub on the casing such as motor, differential mechanism, controller, transmission shaft. The adjacent structures adopt a common shell design, so that the structure is more compact, and one shell meets the requirements of two shells of the structural parts.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention

FIG. 2 is a front elevational view of the transmission housing disassembled;

FIG. 3 is a perspective view of the transmission;

FIG. 4 is a schematic perspective view of the transmission housing disassembled;

FIG. 5 is a schematic perspective view of the transmission housing from another perspective, with the transmission housing disassembled.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in fig. 1, a drive control system casing integral structure for electric motor car, including motor casing 1, gearbox housing 2, rear-axle housing 3 and wheel hub 4, 1 fixed connection of motor casing is in input one side of

gearbox housing

2, 2 lower extremes of gearbox housing are connected to 3 up end of rear-axle housing, 4 fixed connection of wheel hub are at 3 internal rotation connection's of rear-axle housing rear-axle transmission shaft tip, be provided with the brake disc 5 of a body structure on the

wheel hub

4, 2 one side of gearbox housing is provided with the electrical apparatus box 6 rather than a body structure, 3 both ends fixedly connected with bridge tube 7 of rear-axle housing, wheel hub 4 cooperates brake locking mechanism 10 that has locking wheel hub, install speed change gear (differential mechanism) in the rear-axle housing 3.

Preferably, the gearbox housing 2 comprises a first half box 8 and a second half box 9 which are butted and fixed, and a driving shaft and a driven shaft are rotationally connected in the gearbox housing 2.

Preferably, above-mentioned rear-axle housing 3 is big disc structure, both sides smooth transition is provided with two bridge pipes and rather than inside intercommunication, integral type structure for one shot forming, rear-axle housing 3 downside sets up plane and lower plane respectively, it is provided with the ring flange 10 of connecting the gearbox to go up the plane, lower plane lid closes dome-shaped bottom 11, disc structure and dome-shaped bottom, on the one hand, intensity and rigidity are good, on the other hand, slope surface structure, play the effect of buffer load, avoid hitting hard the damage, and the service life is prolonged, main shell structure is convenient for adopt stretch forming, welding process is not needed, reduction in production cost and the technology degree of difficulty, qualification rate and production efficiency have been increased, upper and lower plane is convenient for install bottom and motor.

Example 2: as shown in fig. 2-5, a gearbox of an electric vehicle comprises a motor 1, a gearbox 2, a rear axle housing 3 and a shift lever 4, wherein the motor 1 is fixedly connected to an input end of the gearbox 2, two gears are arranged in the gearbox and are connected to the shift lever 4 through a shifting fork 5, a reset spring 6 for resetting the shifting fork 5 is arranged on the shift lever 4, the shift lever 4 movably penetrates out of the gearbox 2 and is connected with a pull wire, the lower end of the gearbox 2 is connected to the upper end face of the rear axle housing 3, an output shaft is connected with a rear axle transmission shaft 15 rotationally connected with the rear axle housing 3, a multi-gear design is adopted to replace the traditional motor gearless direct drive, a gear set rear axle drive mode replaces the traditional drive mode of an electric tricycle, the multi-gear arrangement solves the problem of poor road conditions, the problem that when a slope runs, the rear power is weak, the motor usually works in an overload mode, and the motor can generate excessive heat, seriously affecting the service cycle and the like; the gear set rear axle driving mode reduces the space required by the tricycle when the tricycle turns, and improves the traffic capacity of the tricycle.

Preferably, the gearbox 2 comprises a first gearbox body 7, a second gearbox body 8, a driving shaft 9 and a driven shaft 10, the first gearbox body 7 and the second gearbox body 8 are in butt joint and fixed to form the gearbox body, the driving shaft 9 and the driven shaft 10 are both connected to the gearbox body in a rotating mode, the driving shaft 9 is connected to a motor shaft of the motor 1 through a first gear transmission mechanism 11, the driving shaft 9 is provided with two driving gears 12 which are axially movable, driven gears 13 which are correspondingly meshed with the two driving gears 12 are fixedly connected to the driven shaft 10, the driven shaft 10 is connected to a rear axle transmission shaft 15 through a second gear transmission mechanism 14, the shifting fork 5 is located between the two driving gears 12 on the driving shaft 9, the gearbox is compact in structure, stable in connection and accurate in transmission, three-gear shifting is achieved through a three-gear shifting gear set, and an electric box 21 which is integrated with the gearbox body is arranged on one side.

Preferably, above-mentioned rear-axle housing 3 is big disc structure, both sides smooth transition is provided with two bridge pipes 20 and rather than inside intercommunication, integral type structure for one shot forming, rear-axle housing 3 upside and downside set up plane and lower plane respectively, it is provided with the ring flange 16 of connecting the gearbox to go up the plane, lower plane lid closes dome-shaped bottom 17, disc structure and dome-shaped bottom, on the one hand, intensity and rigidity are good, on the other hand, slope surface structure, play the effect of buffer load, avoid hitting hard the damage, and the service life is prolonged, main shell structure is convenient for adopt stretch forming, welding process is not needed, reduction in production cost and the technology degree of difficulty, qualification rate and production efficiency have been increased, the upper and lower plane is convenient for install bottom and motor.

Preferably, the rear axle transmission shaft 15 is provided with a brake device 18, which is located in the rear axle housing 3 and can tightly hold the rear axle transmission shaft to realize braking, and the rear axle transmission shaft is connected to the second gear transmission mechanism 14 through a speed change device 19.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention, therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. The utility model provides a drive control system casing integral structure for electric motor car which characterized in that: including motor casing (1), gearbox housing (2), rear-axle housing (3) and wheel hub (4), motor casing (1) fixed connection is in input one side of gearbox housing (2), gearbox housing (2) lower extreme is connected to rear-axle housing (3) up end, wheel hub (4) fixed connection is at rear-axle housing (3) internal rotation connection's rear axle transmission shaft tip, be provided with brake disc (5) of a body structure on wheel hub (4), gearbox housing (2) one side is provided with electrical apparatus box (6) rather than a body structure, rear-axle housing (3) both ends fixedly connected with bridge tube (7).

2. The drive control system casing integrated structure for an electric vehicle according to claim 1, characterized in that: the gearbox shell (2) comprises a first half box body (8) and a second half box body (9) which are fixedly butted, and a driving shaft and a driven shaft are rotationally connected in the gearbox shell (2).

3. The drive control system casing integrated structure for an electric vehicle according to claim 2, characterized in that: rear-axle housing (3) are big disc structure, and both sides smooth transition is provided with two bridge pipes and rather than inside intercommunication, for one shot forming's integral type structure, and rear-axle housing (3) downside sets up plane and lower plane respectively from top to bottom, goes up the plane and is provided with ring flange (10) of connecting the gearbox, and lower plane lid closes bottom (11) of dome shape.