CN219668416U

CN219668416U - Composite brake assembly of electric vehicle motor

Info

Publication number: CN219668416U
Application number: CN202320456544.3U
Authority: CN
Inventors: 董维娜; 贾聪; 张栋
Original assignee: Xuzhou Jinya New Energy Technology Co ltd
Current assignee: Xuzhou Jinya New Energy Technology Co ltd
Priority date: 2023-03-11
Filing date: 2023-03-11
Publication date: 2023-09-12
Anticipated expiration: 2033-03-11

Abstract

The utility model belongs to the technical field of electric vehicle braking, and particularly relates to an electric vehicle motor composite braking assembly which comprises a brake disc, a shell, braking pieces and a driving assembly. According to the utility model, the drum brake is replaced by the disc brake to improve the braking effect, the braking piece for braking is driven by the servo motor, the electric energy of the electric vehicle can be directly used for supplying electric energy, the electric vehicle is convenient to use, meanwhile, the auxiliary braking component driven by the hydraulic driver is also arranged on the braking block to assist the braking block to improve the braking effect, and the hydraulic driver can be used for completing braking when the braking block cannot brake in time.

Description

Composite brake assembly of electric vehicle motor

Technical Field

The utility model relates to the technical field of electric vehicle braking, in particular to an electric vehicle motor composite braking assembly.

Background

The brake device generates friction between the brake pad and the wheel drum or the disc, and converts kinetic energy during running into heat energy to be consumed in the friction process. In order to increase the sensitivity and reliability of the brake device, new technologies such as electronic sensing and the like are used; for stopping a vehicle that will ensure that the brake will run quickly in a very short moment.

However, the existing braking device for the electric vehicle mainly comprises a drum brake, the drum brake has small action radius and small braking moment, the brake drum is easy to break, and the braking effect and the safety are not ideal; the traditional disc brake is mainly hydraulic, and is inconvenient for an electric vehicle using electricity.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the motor composite brake assembly of the electric vehicle, which solves the problems that the acting radius of the drum brake is small, the brake moment is small, the brake drum is easy to break, and the braking effect and the safety are not ideal; the traditional disc brake is mainly hydraulic, and is inconvenient for an electric vehicle using electricity.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides an electric motor car motor composite braking assembly, includes brake disc, casing, brake piece and drive assembly, the both sides of brake disc all are provided with the brake piece, and in the casing of brake piece slip setting to the brake piece is connected with the drive assembly transmission, the brake piece is including setting plate and the brake block that mutually support and set up, and setting plate back of the body has settled hydraulic drive from one side of brake block, and the slide rail sliding connection in slider that sets up on the setting plate and the casing, the screw thread seat that sets up on the setting plate and drive assembly's screw rod threaded connection to the worm wheel and the last fixed connection's of servo motor output shaft worm meshing are connected.

Further, the brake block is fixedly embedded in a mounting groove formed in the mounting plate, the output end of the hydraulic driver fixedly connected with one side of the mounting plate is fixedly connected with a collision block, the mounting plate and the brake block are respectively provided with a first perforation and a second perforation which are matched with the collision block to slide, threaded holes matched with threaded rods are formed in threaded seats formed in the mounting plate, symmetrically distributed external threads are formed in the threaded rods, the threaded rods are rotationally connected in cavities formed in the partition plates in the shell through bearings, the partition plates are provided with notches for the threaded seats to slide in a reciprocating mode, one end of each threaded rod extends to the outside of the shell and is fixedly connected with a worm wheel, a worm meshed with the worm wheel is rotationally connected in the shell through a bearing, one end of each worm rod extends to the outside of the shell and is fixedly connected with an output shaft of the servo motor, and the shell is fixedly connected to the outer wall of the shell.

Further, one side of the shell is provided with an opening, the sliding rail is fixedly connected to the inner wall of the shell, and the sliding rail is arranged in one-to-one correspondence with the sliding blocks on the placement plate.

(III) beneficial effects

Compared with the prior art, the utility model provides the motor composite brake assembly of the electric vehicle, which has the following beneficial effects:

according to the utility model, the drum brake is replaced by the disc brake to improve the braking effect, the braking piece for braking is driven by the servo motor, the electric energy of the electric vehicle can be directly used for supplying electric energy, the electric vehicle is convenient to use, meanwhile, the auxiliary braking component driven by the hydraulic driver is also arranged on the braking block to assist the braking block to improve the braking effect, and the hydraulic driver can be used for completing braking when the braking block cannot brake in time.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the housing of the present utility model;

FIG. 3 is a schematic diagram of a driving assembly according to the present utility model;

fig. 4 is an exploded view of the brake member of the present utility model.

In the figure: 1. a brake disc; 2. a housing; 201. a slide rail; 202. a partition plate; 3. a brake member; 301. a setting plate; 3011. a placement groove; 3012. a first perforation; 3013. a slide block; 3014. a screw seat; 302. a brake pad; 3021. a second perforation; 303. a hydraulic driver; 3031. a collision block; 4. a drive assembly; 401. a worm wheel; 402. a worm; 403. a housing; 404. a servo motor; 405. and (3) a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1, 2, 3 and 4, one embodiment of the present utility model proposes: the utility model provides an electric motor car motor composite braking assembly, including brake disc 1, casing 2, brake piece 3 and actuating assembly 4, the both sides of brake disc 1 all are provided with brake piece 3, in order to realize braking operation through the conflict of brake piece 3 to brake disc 1, brake piece 3 realizes braking operation through the conflict friction between with brake disc 1, brake disc 1 fixed mounting is on the output of motor, and then accomplish the braking to the motor when brake disc 1 brakes, and in the casing 2 that brake piece 3 slides and set up, and brake piece 3 is connected with actuating assembly 4 transmission, utilize casing 2 to link together the stable cooperation of brake piece 3 and actuating assembly 4 of brake, in order to utilize actuating assembly 4 to drive brake piece 3 to remove in the use, realize conflict and separation between brake piece 3 and the brake disc 1, brake piece 3 includes setting plate 301 and the brake block 302 of mutually supporting the setting, the mounting plate 301 is utilized to provide a carrier for mounting the brake pad 302, so as to ensure stable mounting of the brake pad 302, meanwhile, the brake pad 302 is used for directly contacting the brake disc 1, braking operation is realized by utilizing the friction force of the interference between the two, the hydraulic driver 303 is arranged on one side of the mounting plate 301, which is away from the brake pad 302, and is matched with the brake pad 302 to be used together, after the brake pad 302 is abutted to the brake disc 1, the hydraulic driver 303 can move along with the brake disc, the abutting block 3031 is tightly abutted to the brake disc 1, the braking force of the brake is further increased, smooth running of the brake is ensured, the sliding block 3013 arranged on the mounting plate 301 is in sliding connection with the sliding rail 201 in the shell 2, the reciprocating sliding stability is improved, the threaded seat 3014 arranged on the mounting plate 301 is in threaded connection with the screw 405 of the driving component 4, and worm wheel 401 of screw rod 405 one end is connected with the worm 402 meshing of fixed connection on servo motor 404 output shaft, ensures servo motor 404 operation drive worm 402 rotation, and worm 402 drives worm wheel 401 and screw rod 405 rotation, and the setting plate 301 on the screw rod 405 of rotation drive is close to each other and removes, and the brake block 302 on it is tightly contradicted on brake disc 1, accomplishes the brake operation, otherwise drives setting plate 301 and moves and then can withdraw the brake mutually and keep away from.

As shown in fig. 2, 3 and 4, in some embodiments, the brake pad 302 is fixedly embedded in a mounting groove 3011 formed on the mounting plate 301 to ensure that the two are stably connected together for use, the output end of a hydraulic driver 303 fixedly connected to one side of the mounting plate 301 is fixedly connected with a collision block 3031 for abutting on the brake disc 1 to increase braking force of the brake, so as to improve braking efficiency, and the mounting plate 301 and the brake pad 302 are respectively provided with a first through hole 3012 and a second through hole 3021 matched with the collision block 3031 for sliding, so as to ensure that the collision block 3031 can smoothly pass through the mounting plate 301 and the brake pad 302 to collide on the brake disc 1, and meanwhile, the movable interval of the collision block 3031 is larger than the original interval between the brake pad 302 and the brake disc 1, thereby, when the servo motor 404 cannot timely drive the brake pad 302, the hydraulic driver 303 can also drive the collision block 3031 to open to complete braking operation, screw thread seats 3014 arranged on the mounting plates 301 are provided with screw holes matched with screw rods 405, the screw rods 405 are provided with symmetrically distributed external threads, smooth threaded connection of the screw rods 405 and the screw rods is guaranteed, driving of the screw rods 405 on the mounting plates 301 is achieved, symmetrical threads ensure that the screw rods 405 can drive the two mounting plates 301 on the screw rods, the screw rods 405 can drive the two mounting plates 301 to approach or depart from each other, the screw rods 405 are rotationally connected in cavities divided by a partition plate 202 in a shell 2 through bearings, smooth rotation of the screw rods 405 is guaranteed, power transmission is conveniently achieved, the arranged partition plate 202 ensures that the screw rods 405 are isolated, foreign objects are prevented from entering the shell 2 to influence the operation of the screw rods 405, a notch for sliding the screw thread seats 3014 in a reciprocating manner is arranged on the partition plate 202, smooth reciprocating sliding of the mounting plates 301 in the shell 2 is guaranteed, one end of the screw rods 405 extends to the outside of the shell 2 and is fixedly connected with a worm wheel 401, the worm 402 meshed with the worm wheel 401 is rotatably connected in the shell 403 through a bearing, one end of the worm 402 extends to the outside of the shell 403 and is fixedly connected with an output shaft of the servo motor 404, the shell 403 is fixedly connected to the outer wall of the shell 2, the worm 402 can be driven by the servo motor 404 to rotate in the shell 403, the shell 403 is used for covering the outside of the worm wheel 401 and the worm 402, smooth transmission between the worm wheel 401 and the worm 402 is ensured, foreign objects are prevented from interfering transmission, and stable operation is ensured.

As shown in fig. 2 and fig. 4, in some embodiments, one side of the housing 2 is provided with an opening, so that smooth installation of the brake member 3 is ensured, smooth reciprocating sliding of the brake member 3 on the housing 2 is ensured, interference braking between the brake member 3 and the brake disc 1 is realized, braking is separately cancelled, the sliding rail 201 is fixedly connected to the inner wall of the housing 2, the sliding rail 201 is arranged in one-to-one correspondence with the sliding blocks 3013 on the mounting plate 301, and the sliding fit arrangement mode between the sliding rail 201 and the sliding block 3013 is convenient for improving the stability of reciprocating sliding of the mounting plate 301 in the housing 2, so that stable braking operation in the use process is ensured.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an electric motor car motor composite braking assembly, includes brake disc (1), casing (2), brake piece (3) and drive assembly (4), its characterized in that: brake disc (1) both sides all are provided with brake piece (3), and in casing (2) that brake piece (3) slide set up to brake piece (3) are connected with drive assembly (4) transmission, brake piece (3) are including setting board (301) and brake block (302) that mutually support and set up, and setting board (301) are kept away from one side of brake block (302) and are settled hydraulic drive (303), and slide rail (201) sliding connection in slider (3013) that set up on setting board (301) and casing (2), screw seat (3014) that set up on setting board (301) and screw rod (405) threaded connection of drive assembly (4), and worm wheel (401) and servo motor (404) of last fixed connection's of output shaft worm (402) meshing connection of screw rod (405) one end.

2. The electric vehicle motor composite brake assembly of claim 1, wherein: the brake block (302) is fixedly embedded in a setting groove (3011) formed in the setting plate (301), the output end of a hydraulic driver (303) fixedly connected with one side of the setting plate (301) is fixedly connected with a collision block (3031), and the setting plate (301) and the brake block (302) are respectively provided with a first perforation (3012) and a second perforation (3021) which are matched with the collision block (3031) to slide.

3. The electric vehicle motor composite brake assembly of claim 2, wherein: screw thread seat (3014) that sets up on locating plate (301) is gone up and is offered the screw hole of cooperation screw rod (405), be provided with the external screw thread of symmetric distribution on screw rod (405), screw rod (405) are rotated through the bearing and are connected in the cavity that partition plate (202) cut apart in casing (2), and be provided with the breach of screw thread seat (3014) reciprocal slip on partition plate (202), and the one end of screw rod (405) extends to the outside of casing (2) and worm wheel (401) fixed connection, worm (402) with worm wheel (401) meshing is rotated through the bearing and is connected in shell (403), worm (402) one end extends to the outside of shell (403) and servo motor (404) output shaft fixed connection, shell (403) fixed connection is on the outer wall of casing (2).

4. The electric vehicle motor composite brake assembly of claim 1, wherein: one side of the shell (2) is provided with an opening, the sliding rail (201) is fixedly connected to the inner wall of the shell (2), and the sliding rail (201) and the sliding blocks (3013) on the placement plate (301) are arranged in a one-to-one correspondence mode.