CN214092815U

CN214092815U - Front-rear linkage brake structure of electric vehicle

Info

Publication number: CN214092815U
Application number: CN202023141055.4U
Authority: CN
Inventors: 杨磊; 寻冬生
Original assignee: Jiangxi Chengan New Energy Technology Co ltd
Current assignee: Jiangxi Chengan New Energy Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-31
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a front and back linkage brake structure of an electric vehicle, which comprises a disc brake, a drum brake and a sleeve, wherein the right side of the disc brake is provided with a first piston, a first pipeline is communicated between the first piston and the disc brake, one side of the first piston, which is far away from the first pipeline, is provided with a push plate, a first push rod is connected between the push plate and the first piston, the left side of the drum brake is provided with a second piston, a second pipeline is communicated between the second piston and the drum brake, one side of the second piston, which is far away from the second pipeline, is provided with a rotating plate, a second push rod is connected between the rotating plate and the second piston, the bottom of the left side of the rotating plate is provided with a connecting piece, the sleeve is arranged at the back side of the first piston, the utility model has simple structure and reasonable design, and can respectively enable the disc brake and the drum brake by pushing the push plate, and braking the electric vehicle.

Description

Front-rear linkage brake structure of electric vehicle

Technical Field

The utility model relates to a linkage braking structure around electric motor car belongs to electric motor car technical field.

Background

Along with the development of science and technology, the electric vehicle is gradually popularized to become an indispensable transportation tool in daily life, the low-carbon development of the transportation industry is promoted because the electric vehicle adopts electric energy with environmental protection, cleanness and high conversion rate, the electric vehicle is widely applied to the fields of electric transportation, city sanitation cleaning, engineering, tunnel special vehicles and the like, a braking device of a common electric vehicle is separated from the front and the back, front and back brakes can not be synchronously linked, and the electric vehicle can not be better braked, so that the front and the back linkage braking structure of the electric vehicle is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a linkage braking structure around electric motor car to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a front-rear linkage braking structure of an electric vehicle comprises a disc brake, a drum brake and a sleeve, wherein a first piston is arranged on the right side of the disc brake, a first pipeline is communicated between the first piston and the disc brake, a push plate is arranged on one side, away from the first pipeline, of the first piston, a first push rod is connected between the push plate and the first piston, a second piston is arranged on the left side of the drum brake, a second pipeline is communicated between the second piston and the drum brake, a rotating plate is arranged on one side, away from the second pipeline, of the second piston, a second push rod is connected between the rotating plate and the second piston, a connecting piece is arranged at the bottom of the left side of the rotating plate, the sleeve is arranged on the rear side of the first piston, an installation groove and a sliding groove are formed in the inner cavity of the sleeve, and a spring, a circular plate and a first guide rod are arranged in the installation groove, one end of the first guide rod is connected with the circular plate, the other end of the first guide rod penetrates through the installation groove to be provided with the ejector rod, the spring is arranged on the outer side of the first guide rod, the second guide rod is arranged in the sliding groove, two ends of the second guide rod are respectively connected with the circular plate and the push plate, and a connecting wire is connected between the ejector rod and the connecting piece.

Furthermore, a rotating shaft penetrates through the rotating plate.

Further, the outer diameter of the circular plate is larger than that of the first guide rod.

Further, the outer diameter of the circular plate is larger than that of the second guide rod.

Furthermore, two ends of the spring are respectively connected with the circular plate and the sleeve.

Furthermore, the side of the push plate, which is opposite to the first push rod and the second guide rod, is provided with anti-skid grains.

The utility model has the advantages that:

1. through promoting the push pedal, can make disk brake and drum brake respectively, brakie the electric motor car.

2. Through setting up the spring, can be when not needing the braking, through setting up the axis of rotation, can make the rotor plate rotate with the push pedal normal position that resumes through the second guide arm to when will connecting wire pulling, can make the rotor plate other end promote the second push rod, thereby trigger drum brake.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of a front-rear linkage brake structure of an electric vehicle of the present invention;

fig. 2 is a disc brake connecting structure of the front and rear linkage brake structure of the electric vehicle of the present invention;

fig. 3 is a drum brake connecting structure of the front and rear linkage brake structure of the electric vehicle of the present invention;

fig. 4 is an enlarged schematic view of a part a of a front and rear linkage brake structure of an electric vehicle according to the present invention;

fig. 5 is an enlarged schematic view of a part B of a front-rear linkage brake structure of an electric vehicle according to the present invention;

reference numbers in the figures: 1. a disc brake; 2. a drum brake; 3. a sleeve; 4. a first piston; 5. a first conduit; 6. pushing the plate; 7. a first push rod; 8. a second piston; 9. a second conduit; 10. a rotating plate; 11. a second push rod; 12. a connecting member; 13. mounting grooves; 14. a sliding groove; 15. a spring; 16. a circular plate; 17. a first guide bar; 18. a top rod; 19. a second guide bar; 20. connecting wires; 21. and rotating the shaft.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a front-rear linkage braking structure of an electric vehicle comprises a disc brake 1, a drum brake 2 and a sleeve 3, wherein a first piston 4 is arranged on the right side of the disc brake 1, a first pipeline 5 is communicated between the first piston 4 and the disc brake 1, a push plate 6 is arranged on one side, away from the first pipeline 5, of the first piston 4, anti-skid textures are arranged on one side, opposite to the first push rod 7 and a second guide rod 19, of the push plate 6, a first push rod 7 is connected between the push plate 6 and the first piston 4, a second piston 8 is arranged on the left side of the drum brake 2, a second pipeline 9 is communicated between the second piston 8 and the drum brake 2, a rotating plate 10 is arranged on one side, away from the second pipeline 9, of the second piston 8, a second push rod 11 is connected between the rotating plate 10 and the second piston 8, a connecting piece 12 is arranged at the bottom of the left side of the rotating, the sleeve 3 is arranged on the rear side of the first piston 4, an installation groove 13 and a sliding groove 14 are formed in the inner cavity of the sleeve 3, a spring 15, a circular plate 16 and a first guide rod 17 are arranged in the installation groove 13, one end of the first guide rod 17 is connected with the circular plate 16, the other end of the first guide rod 17 penetrates through the installation groove 13 to be provided with an ejector rod 18, the spring 15 is arranged on the outer side of the first guide rod 17, a second guide rod 19 is arranged in the sliding groove 14, two ends of the second guide rod 19 are respectively connected with the circular plate 16 and the push plate 6, and a connecting wire 20 is connected between the ejector rod 18 and the connecting piece 12.

Specifically, as shown in fig. 5, a rotation shaft 21 is disposed through the rotation plate 10 to facilitate rotation of the rotation plate 10.

Specifically, as shown in fig. 4, the outer diameter of the circular plate 16 is larger than the outer diameter of the first guide rod 17, the outer diameter of the circular plate 16 is larger than the outer diameter of the second guide rod 19, the circular plate 16 is prevented from being separated from the mounting groove 13, both ends of the spring 15 are respectively connected to the circular plate 16 and the sleeve 3, and the push plate 6 is restored to the original position by the second guide rod 19 when braking is not required.

The utility model discloses the theory of operation: the foot steps on push pedal 6, promote push pedal 6, drive first push rod 7 and move about first piston 4, trigger disc brake 1, make second guide arm 19 simultaneously, plectane 16 and first guide arm 17 remove, make ejector pin 18 drive connecting wire 20, stimulate rotor plate 10, can make rotor plate 10 other end promote second push rod 11, thereby trigger drum brake 2, set up spring 15, can be when not needing the braking, resume the normal position with push pedal 6 through second guide arm 19, set up anti-skidding texture, can be favorable to the foot to step on push pedal 6 more.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a linkage braking structure around electric motor car, includes disc brake (1), drum brake (2) and sleeve pipe (3), its characterized in that: the brake device is characterized in that a first piston (4) is arranged on the right side of the disc brake (1), a first pipeline (5) is communicated between the first piston (4) and the disc brake (1), a push plate (6) is arranged on one side, away from the first pipeline (5), of the first piston (4), a first push rod (7) is connected between the push plate (6) and the first piston (4), a second piston (8) is arranged on the left side of the drum brake (2), a second pipeline (9) is communicated between the second piston (8) and the drum brake (2), a rotating plate (10) is arranged on one side, away from the second pipeline (9), of the second piston (8), a second push rod (11) is connected between the rotating plate (10) and the second piston (8), a connecting piece (12) is arranged at the bottom of the left side of the rotating plate (10), and the sleeve (3) is arranged on the rear side of the first piston (4), mounting groove (13) and sliding tray (14) have been seted up to sleeve pipe (3) inner chamber, be provided with spring (15), plectane (16) and first guide arm (17) in mounting groove (13), first guide arm (17) one end is connected with plectane (16), first guide arm (17) other end runs through mounting groove (13) and is provided with ejector pin (18), spring (15) set up in first guide arm (17) outside, be provided with second guide arm (19) in sliding tray (14), second guide arm (19) both ends are connected with plectane (16) and push pedal (6) respectively, be connected with connecting wire (20) between ejector pin (18) and connecting piece (12).

2. The electric vehicle front-rear linkage brake structure according to claim 1, characterized in that: a rotating shaft (21) penetrates through the rotating plate (10).

3. The electric vehicle front-rear linkage brake structure according to claim 1, characterized in that: the outer diameter of the circular plate (16) is larger than that of the first guide rod (17).

4. The electric vehicle front-rear linkage brake structure according to claim 1, characterized in that: the outer diameter of the circular plate (16) is larger than that of the second guide rod (19).

5. The electric vehicle front-rear linkage brake structure according to claim 1, characterized in that: and two ends of the spring (15) are respectively connected with the circular plate (16) and the sleeve (3).

6. The electric vehicle front-rear linkage brake structure according to claim 1, characterized in that: and anti-skid textures are arranged on one side, back to the first push rod (7) and the second guide rod (19), of the push plate (6).