CN215361300U

CN215361300U - Brake power-assisted vacuum pump of electric automobile

Info

Publication number: CN215361300U
Application number: CN202120411154.5U
Authority: CN
Inventors: 姚公和; 杨后松; 赵长江
Original assignee: Jiangsu Hurun Pump Technology Co ltd
Current assignee: Jiangsu Hurun Pump Technology Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-12-31
Anticipated expiration: 2031-02-24

Abstract

The utility model discloses an electric automobile brake boosting vacuum pump which comprises a vacuum booster, wherein a shell is fixedly installed at the left end of the vacuum booster, a connecting disc is fixedly installed at the outer side of the left end of the vacuum booster, a brake main cylinder is fixedly installed in the middle of the left end of the shell, an oil storage tank is fixedly communicated with the upper end of the brake main cylinder, a brake pipe is fixedly installed at the lower end of the brake main cylinder, a connecting ring is movably installed at the outer side of the lower end of the brake pipe, a push rod is movably installed in the middle of the interior of the vacuum booster, the push rod extends into the interior of the brake main cylinder and penetrates through the right end of the outer side of the vacuum booster, connecting pieces are fixedly installed at the upper end and the lower end of the right end of the push rod, and a damping ring is movably installed in the middle of the outer side of the vacuum booster. This electric automobile brake helping hand vacuum pump is connected the back stability with electric automobile and is high, reduces the vibrations that the vacuum pump produced when the braking, and then has improved this electric automobile brake helping hand vacuum pump's stability.

Description

Brake power-assisted vacuum pump of electric automobile

Technical Field

The utility model relates to the technical field of brake booster pumps, in particular to a brake booster vacuum pump of an electric automobile.

Background

The brake booster pump, commonly called brake booster pump, controls the vacuum entering the booster pump in the braking process to move the diaphragm, and utilizes the push rod on the diaphragm to assist manpower to step and push the brake pedal through the intermodal device, thereby generating the amplification effect on the pedal force of a driver.

The existing electric automobile brake booster vacuum pump has the advantages that the engine vibrates when the electric automobile is started, long-time vibration influences parts fixed by the brake booster vacuum pump, and the brake booster vacuum pump is unstable when the parts are loosened, so that the brake booster vacuum pump can be out of order.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric automobile brake booster vacuum pump, and aims to solve the problems that the existing electric automobile brake booster vacuum pump has the defects that the engine generates vibration when an electric automobile is started, long-time vibration affects parts fixed by the brake booster vacuum pump, and the brake booster vacuum pump is unstable when the parts are loosened, so that the brake booster vacuum pump can possibly fail.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric automobile brake booster vacuum pump, includes vacuum booster, vacuum booster's left end fixed mounting has the casing, vacuum booster's the outside fixed mounting of left end has the connection pad, the middle part fixed mounting of casing left end has the brake master cylinder, the fixed intercommunication in upper end of brake master cylinder has the oil storage tank, the lower extreme fixed mounting of brake master cylinder has the brake pipe, the outside movable mounting of brake pipe lower extreme has the go-between, the inside middle part movable mounting of vacuum booster has the push rod, the push rod extends to the inside of brake master cylinder and passes the right-hand member in the vacuum booster outside, the upper and lower both ends fixed mounting of push rod right-hand member has the connecting piece, the middle part movable mounting in the vacuum booster outside has the damping ring.

Preferably, the middle part fixed mounting in the vacuum booster outside has the shock attenuation post, the shock attenuation post equidistance distributes in the middle part in the vacuum booster outside, the inboard movable mounting of shock attenuation post has the shock attenuation pole, the inboard fixed connection of shock attenuation pole and damping ring.

Preferably, the shock-absorbing rod extends to the inside of shock-absorbing ring, the outside movable mounting of shock-absorbing rod has damping spring, damping spring is located the inside movable mounting of shock-absorbing post.

Preferably, an oil injection pipe is fixedly installed in the middle of the interior of the damping ring and fixedly communicated with the damping rod, and an oil injection hole is fixedly formed between the oil injection pipe and the damping rod.

Preferably, the inside bottom fixed mounting of casing has driving motor, driving motor's outside fixed mounting has the protection casing, the protection casing is half arc structure, driving motor's output fixedly connected with rotation axis, the upper end fixed mounting of rotation axis has radiator fan, radiator fan is located the outside of protection casing, the fixed thermovent that is provided with in upper end of casing.

Preferably, the inner side of the heat dissipation opening is fixedly provided with a dust screen, the upper end of the outer side of the damping ring is movably provided with an oil plug, and the oil plug extends to the inner side of the oil filling pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. the electric automobile brake booster vacuum pump has high stability after being connected with an electric automobile, reduces the vibration generated by a resistance vacuum pump during braking, ensures that the electric automobile brake booster vacuum pump is more stable, avoids the phenomenon that parts are loose due to the vibration generated by the electric automobile brake booster vacuum pump during braking, and further improves the stability and the service life of the electric automobile brake booster vacuum pump;

2. the electric automobile brake booster vacuum pump reduces the abrasion degree between the brake booster vacuum pump and the electric automobile, reduces the damage rate of the brake booster vacuum pump, enables the electric automobile to be more stable during braking, and avoids the brake booster vacuum pump from malfunctioning;

3. this electric automobile brake helping hand vacuum pump, the maintenance personal of being convenient for maintains the maintenance to damper assembly, and the condition that card pause appears between the damper assembly can be avoided in the maintenance of regular oiling to brake helping hand vacuum pump's flexibility has been improved, maintainer's convenience is improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of a shock ring according to the present invention;

fig. 4 is a front view of the housing of the present invention.

In the figure: 1. a vacuum booster; 2. a housing; 3. a connecting disc; 4. a brake master cylinder; 5. an oil storage tank; 6. a brake pipe; 7. a connecting ring; 8. a push rod; 9. a connecting member; 10. a shock-absorbing ring; 11. a shock-absorbing post; 12. a shock-absorbing lever; 13. a damping spring; 14. an oil filling pipe; 15. an oil filler hole; 16. a drive motor; 17. a protective cover; 18. a rotating shaft; 19. a heat radiation fan; 20. a heat dissipation port; 21. a dust screen; 22. and (4) an oil plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an electric automobile brake booster vacuum pump, including vacuum booster 1, vacuum booster 1's left end fixed mounting has casing 2, the outside fixed mounting of vacuum booster 1 left end has connection pad 3, the middle part fixed mounting of 2 left ends of casing has brake master cylinder 4, the fixed intercommunication in upper end of brake master cylinder 4 has oil storage tank 5, the lower extreme fixed mounting of brake master cylinder 4 has brake pipe 6, the outside movable mounting of brake pipe 6 lower extreme has go-between 7, the inside middle part movable mounting of vacuum booster 1 has push rod 8, push rod 8 extends to the inside of brake master cylinder 4 and passes the right-hand member in the vacuum booster 1 outside, the upper and lower both ends fixed mounting of push rod 8 right-hand member has connecting piece 9, the middle part movable mounting in the vacuum booster 1 outside has damping ring 10.

Further, the middle part fixed mounting in the vacuum booster 1 outside has shock attenuation post 11, shock attenuation post 11 equidistance distributes in the middle part in the vacuum booster 1 outside, the inboard movable mounting of shock attenuation post 11 has shock attenuation pole 12, the inboard fixed connection of shock attenuation pole 12 and shock attenuation ring 10, the vibrations that vacuum booster 1 produced when the braking, through shock attenuation pole 12 in the inside activity of shock attenuation post 11, part fixed connection in shock attenuation ring 10 and the electric automobile, the vibrations that vacuum booster 1 produced are reduced in the activity between shock attenuation pole 12 and the shock attenuation post 11, shock attenuation ring 10 is fixed during the vibrations of vacuum booster 1, the activity that can be free between shock attenuation pole 12 and the shock attenuation post 11.

Further, the shock attenuation pole 12 extends to the inside of damper ring 10, and the outside movable mounting of shock attenuation pole 12 has damping spring 13, and damping spring 13 is located the inside movable mounting of shock attenuation post 11, and the vibrations that alleviate vacuum booster 1 and produce that can be further through damping spring 13, when vacuum booster 1 stops the braking, damping spring 13 can reset between shock attenuation pole 12 and the shock attenuation post 11 voluntarily.

Furthermore, the middle part of the interior of the shock absorption ring 10 is fixedly provided with an oil filling pipe 14, the oil filling pipe 14 is fixedly communicated with the shock absorption rod 12, an oil filling hole 15 is fixedly arranged between the oil filling pipe 14 and the shock absorption rod 12, a maintenance worker can inject lubricating oil into the oil filling pipe 14, then the lubricating oil in the oil filling pipe 14 enters each shock absorption rod 12 through the oil filling hole 15, and the lubricating oil flows into the interior of the shock absorption column 11 to form a lubricating effect, so that the phenomenon of blocking between the shock absorption rod 12 and the shock absorption column 11 cannot occur.

Further, inside bottom fixed mounting of casing 2 has driving motor 16, driving motor 16's outside fixed mounting has protection casing 17, protection casing 17 is half arc structure, driving motor 16's output fixedly connected with rotation axis 18, the upper end fixed mounting of rotation axis 18 has radiator fan 19, radiator fan 19 is located the outside of protection casing 17, the fixed thermovent 20 that is provided with in upper end of casing 2, it is rotatory to drive rotation axis 18 through driving motor 16, and it dispels the heat to the inside of casing 2 to drive radiator fan 19 rotation, the heat that discharges out casing 2 through radiator fan 19 is rotatory discharges through thermovent 20, make the inside high temperature of casing 2 discharge that can be quick.

Further, the inside fixed mounting of thermovent 20 has dust screen 21, and the upper end movable mounting in the shock absorber ring 10 outside has oil plug 22, and oil plug 22 extends to the inboard of oiling pipe 14, can avoid the dust to pass through thermovent 20 through dust screen 21 and get into the inside of casing 2, and maintenance personal forms oil filler point 15 through opening oil plug 22 when pouring into lubricating oil, pours into lubricating oil into the inside of oiling pipe 14.

The working principle is as follows: the vacuum booster 1 is fixedly connected with an electric automobile by a worker, the vacuum booster 1 is fixedly connected with parts in the electric automobile through a damping ring 10 during connection, then a push rod 8 is fixedly connected with an accelerator of the electric automobile through a connecting piece 9, after the installation process of the vacuum booster 1 is completed, the vibration generated by the vacuum booster 1 during braking can be further relieved by the vibration generated by the damping rod 12 in the damping column 11, the damping ring 10 is fixedly connected with the parts in the electric automobile, the vibration generated by the vacuum booster 1 is reduced by the movement between the damping rod 12 and the damping column 11, meanwhile, the vibration generated by the vacuum booster 1 can be further relieved by a damping spring 13, when the vacuum booster 1 stops braking, the damping spring 13 can automatically reset the damping rod 12 and the damping column 11, when the damping rod 12 is clamped and needs maintenance, a maintenance worker can form an oil filling hole 15 by opening an oil plug 22, lubricating oil is injected into the oil filling pipe 14, then the lubricating oil in the oil filling pipe 14 enters each shock absorption rod 12 through the oil filling hole 15, at the moment, the lubricating oil flows into the shock absorption column 11 to achieve a lubricating effect, then the electric automobile supplies power to the driving motor 16 at the moment of braking, at the moment, the driving motor 16 is automatically started, the driving motor 16 drives the rotating shaft 18 to rotate, the cooling fan 19 is driven to rotate to dissipate heat in the shell 2, and the heat discharged from the shell 2 through the cooling fan 19 is discharged through the cooling hole 20.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides an electric automobile brake helping hand vacuum pump, includes vacuum booster (1), its characterized in that: a shell (2) is fixedly arranged at the left end of the vacuum booster (1), a connecting disc (3) is fixedly arranged at the outer side of the left end of the vacuum booster (1), a brake main cylinder (4) is fixedly arranged in the middle of the left end of the shell (2), an oil storage tank (5) is fixedly communicated with the upper end of the brake main cylinder (4), the lower end of the brake main cylinder (4) is fixedly provided with a brake pipe (6), the outer side of the lower end of the brake pipe (6) is movably provided with a connecting ring (7), a push rod (8) is movably arranged in the middle of the interior of the vacuum booster (1), the push rod (8) extends to the interior of the brake master cylinder (4) and penetrates through the right end of the outer side of the vacuum booster (1), the upper end and the lower end of the right end of the push rod (8) are fixedly provided with connecting pieces (9), and the middle part of the outer side of the vacuum booster (1) is movably provided with a damping ring (10).

2. The electric automobile brake booster vacuum pump of claim 1, characterized in that: the middle part fixed mounting in vacuum booster (1) outside has shock attenuation post (11), shock attenuation post (11) equidistance distributes in the middle part in vacuum booster (1) outside, the inboard movable mounting of shock attenuation post (11) has shock attenuation pole (12), the inboard fixed connection of shock attenuation pole (12) and damping ring (10).

3. The electric automobile brake booster vacuum pump of claim 2, characterized in that: shock attenuation pole (12) extend to the inside of shock attenuation ring (10), the outside movable mounting of shock attenuation pole (12) has damping spring (13), damping spring (13) are located the inside movable mounting of shock attenuation post (11).

4. The electric automobile brake booster vacuum pump of claim 3, characterized in that: an oil filling pipe (14) is fixedly mounted in the middle of the interior of the shock absorption ring (10), the oil filling pipe (14) is fixedly communicated with the shock absorption rod (12), and an oil filling hole (15) is fixedly arranged between the oil filling pipe (14) and the shock absorption rod (12).

5. The electric automobile brake booster vacuum pump of claim 4, characterized in that: the inside bottom fixed mounting of casing (2) has driving motor (16), the outside fixed mounting of driving motor (16) has protection casing (17), protection casing (17) are half arc structure, the output fixedly connected with rotation axis (18) of driving motor (16), the upper end fixed mounting of rotation axis (18) has radiator fan (19), radiator fan (19) are located the outside of protection casing (17), the fixed thermovent (20) that are provided with in upper end of casing (2).

6. The electric automobile brake booster vacuum pump of claim 5, characterized in that: the inboard fixed mounting of thermovent (20) has dust screen (21), the upper end movable mounting in shock attenuation ring (10) outside has oil plug (22), oil plug (22) extend to the inboard of oiling pipe (14).