CN211175180U

CN211175180U - A bumper shock absorber for new forms of energy electric motor car

Info

Publication number: CN211175180U
Application number: CN201922016722.7U
Authority: CN
Inventors: 罗峰
Original assignee: Ningbo Jichun Auto Parts Co ltd
Current assignee: Ningbo Jichun Auto Parts Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-04
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a shock absorber for a new energy electric vehicle, which comprises a main body with an opening at one end, a working cylinder body which is arranged in the main body, a compression valve assembly which is arranged at the bottom of the working cylinder body, a piston rod, a recovery valve assembly which is arranged at one end of the piston rod, a ball head rod assembly which is arranged at the other end of the piston rod, and an external spiral spring which is arranged outside the main body; the piston rod is arranged in the working cylinder body through the recovery valve assembly and can be matched with the compression valve assembly; the main part is inside to keep apart through the working cylinder body and forms a syllable-dividing die cavity, through a syllable-dividing die cavity, forms the obturator, can subdue automobile shock absorber ware effectively at the course of the work, because the noise that the friction between the internals strikeed the production to make the driving person obtain more comfortable driving experience.

Description

A bumper shock absorber for new forms of energy electric motor car

Technical Field

The utility model relates to a bumper shock absorber technical field, concretely relates to bumper shock absorber for new forms of energy electric motor car.

Background

With the development of the automobile industry, the requirements of automobiles on high-grade, humanization, multi-functionalization, high safety, high economy, environmental protection and the like are higher and higher, and the requirement on automobile shock absorption is higher and higher. The shock absorber is a vulnerable part in the use process of the automobile, and the working condition of the shock absorber directly influences the running stability of the automobile and the service life of other parts. The traditional shock absorber utilizes damping exchange caused by liquid density change and piston obstruction to realize kinetic energy conversion; such shock absorbers have a low damping efficiency and a slow release of energy, and at the same time they have a poor transmission of forces between the shock absorbers, which results in a limited ability of the shock absorbers to adjust the roll of the vehicle and a limited ability to adjust the traction. There is therefore a need for improvements in shock absorbers.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects of the prior art, the shock absorber for the new energy electric vehicle is provided, and the problems that the traditional shock absorber utilizes the change of liquid density to cause damping exchange, and the piston is blocked to realize kinetic energy conversion, the shock absorber is low in shock absorption efficiency and slow in energy release, and meanwhile, the force transmission performance between the shock absorbers is poor, so that the shock absorber has limited capability of adjusting the side inclination of the vehicle, and the traction adjusting performance is limited are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a shock absorber for a new energy electric vehicle, which comprises a main body with an opening at one end, a working cylinder body which is arranged in the main body, a compression valve assembly which is arranged at the bottom of the working cylinder body, a piston rod, a recovery valve assembly which is arranged at one end of the piston rod, a ball head rod assembly which is arranged at the other end of the piston rod, and an external spiral spring which is arranged outside the main body; the piston rod is arranged in the working cylinder body through the recovery valve assembly and can be matched with the compression valve assembly; the inside of the main body is isolated by a working cylinder body to form a sound insulation cavity.

By adopting the technical scheme, the closed body is formed by the sound insulation cavity, so that the noise generated by friction impact between the internal parts can be effectively reduced in the working process of the automobile shock absorber, and a driver can obtain more comfortable driving experience.

Preferably, a guider assembly is arranged at the matching position of the opening end of the main body and the piston rod.

Preferably, an oil seal with a sealing function is arranged at the matching position of the piston rod and the guider assembly.

By adopting the technical scheme, the working cylinder body with the piston rod entering the main body can not deflect through the design of the guider assembly, the precision is higher through the guiding function, and the service life can be particularly prolonged; then increase the oil blanket, let the work cylinder body guarantee the state of sealing, can make the great improvement of holistic sealing performance like this, have better practicality.

Preferably, a piston rod dust cover is arranged at the matching position of the piston rod and the opening end of the main body.

Adopt above-mentioned technical scheme, because electric automobile has a large amount of dust or dust in the external environment always in the external environment, the dust of tiny granule can all influence inside operational environment greatly, consequently increases a piston rod dust cover, and the effectual outside dust or the inside of dust main part of having stopped is the inside of work cylinder body.

Preferably, the piston rod further comprises an upper spring disc and a lower spring disc, wherein the upper spring disc and the lower spring disc are respectively arranged on the piston rod and the main body; one end of the outer spiral spring is fixed on the upper spring disc, and the other end of the outer spiral spring is fixed in the lower spring disc.

By adopting the technical scheme, the outer spiral spring is fixed on the shock absorber through the upper spring disc and the lower spring disc, and the shock absorber has an effective shock absorption effect due to reasonable design.

Preferably, the device also comprises a piston rod outer buffer block and a piston rod inner buffer block; one end of the piston rod extends into the working cylinder body and is provided with a piston rod inner buffer block, and the other end of the piston rod extends out of the main body and is provided with a piston rod outer buffer block.

By adopting the technical scheme, the piston rod outer buffer block arranged outside the piston rod can directly contact with the end part of the main body through the piston rod outer buffer block when the piston rod is compressed during working, certain impact force can be relieved, and the recovery valve assembly in the piston rod is prevented from being rapidly matched with the compression valve assembly to cause damage when the recovery valve assembly is matched with the compression valve assembly at a high speed; then, the buffer block in the piston rod is arranged at the position inside the piston rod and the working cylinder body, and can generate certain friction resistance when being compressed or recovered, so that the recovery valve assembly and the compression valve assembly are well protected.

Preferably, a shockproof gasket is arranged at the matching part of the upper spring disc and the outer spiral spring.

Preferably, an anti-dropping gasket is arranged at the matching position of the upper spring disc and the piston rod.

By adopting the technical scheme, the shockproof gasket can reduce the shock generated between the upper spring disc and the piston rod, and the anti-drop gasket can effectively prevent the upper spring disc from dropping from the piston rod, thereby greatly prolonging the service life.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. the closed body is formed by the sound insulation cavity, so that the noise generated by friction and impact among the internal parts of the automobile shock absorber in the working process can be effectively reduced, and a driver can obtain more comfortable driving experience;

2. the outer spiral spring made of the linear spring increases the controllability of elasticity, is more beneficial to operation compared with the traditional shock absorber in the use process, increases the balance performance of an automobile, increases the adjusting range of the roll performance and the traction performance of the automobile, and improves the comfort level and the safety of passengers.

Drawings

Fig. 1 is a schematic view of a shock absorber for a new energy electric vehicle according to the present invention in a partial cross-sectional view;

fig. 2 is a sectional view taken in the direction of a-a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

fig. 2 is a sectional view taken in the direction of a-a in fig. 1.

As shown in fig. 1 and fig. 2, the utility model provides a shock absorber for a new energy electric vehicle, which comprises a main body 17 with an open end, a working cylinder 12 arranged in the main body 17, a compression valve assembly 14 arranged at the bottom of the working cylinder 12, a piston rod 7, a recovery valve assembly 13 arranged at one end of the piston rod 7, a ball head rod assembly 1 arranged at the other end of the piston rod 7, and an external spiral spring 5 arranged outside the main body 17; the piston rod 7 is arranged in the working cylinder 12 through a recovery valve assembly 13 and can be matched with the compression valve assembly 14, the recovery valve assembly 13 is movably connected with the compression valve assembly 14 in a matched manner through the up-and-down piston movement of the piston rod 7, and the interior of the main body 17 is isolated through the working cylinder 12 to form a sound insulation cavity 16; by adopting the technical scheme, the closed body is formed by the sound insulation cavity 16, so that the noise generated by friction impact between internal parts can be effectively reduced in the working process of the automobile shock absorber, and a driver can obtain more comfortable driving experience.

As shown in fig. 1 and fig. 2, the utility model provides a shock absorber for a new energy electric vehicle, a guider assembly 10 is arranged at the matching position of the opening end of the main body 17 and the piston rod 7; an oil seal 9 with a sealing function is arranged at the matching position of the piston rod 7 and the guider assembly 10; by adopting the technical scheme, the working cylinder body 12 of the piston rod 7 entering the main body 17 can not deflect through the design of the guider assembly 10, the precision is higher through the guiding function, and the service life can be particularly prolonged; then, the oil seal 9 is added to ensure the sealing state of the working cylinder body 12, so that the whole sealing performance is greatly improved, and the sealing device has better practicability.

As shown in fig. 1 and 2, the utility model provides a shock absorber for a new energy electric vehicle, a piston rod dust cover 8 is arranged at the matching position of the piston rod 7 and the opening end of the main body 17; adopt above-mentioned technical scheme, because electric automobile has a large amount of dusts or dust in the external environment always, the dust of tiny granule can all influence inside operational environment greatly, consequently increases a piston rod dust cover 8, and the effectual outside dust or the inside of dust main part of having stopped is mainly the inside of work cylinder body 12.

As shown in fig. 1 and fig. 2, the utility model provides a shock absorber for a new energy electric vehicle, further comprising an upper spring holder 3 and a lower spring holder 15, wherein the upper spring holder 3 and the lower spring holder 15 are respectively arranged on a piston rod 7 and a main body 17; one end of the outer spiral spring 5 is fixed on the upper spring disc 3, and the other end is fixed in the lower spring disc 15; by adopting the technical scheme, the outer spiral spring 5 is fixed on the shock absorber through the upper spring disc 3 and the lower spring disc 15, and the shock absorber has an effective shock absorption effect due to reasonable design.

As shown in fig. 1 and fig. 2, the utility model provides a shock absorber for a new energy electric vehicle, which further comprises a piston rod outer buffer block 6 and a piston rod inner buffer block 11; one end of the piston rod 7 extends into the working cylinder body 12 and is internally provided with a piston rod inner buffer block 11, and the other end of the piston rod 7 is provided with a piston rod outer buffer block 6 outside the main body 17; by adopting the technical scheme, the piston rod outer buffer block 6 arranged outside the piston rod 7 can directly contact with the end part of the main body 17 through the piston rod outer buffer block 6 when the piston rod 7 is compressed during working, certain impulsive force can be relieved, and the recovery valve assembly 13 in the piston rod 7 is prevented from being rapidly matched with the compression valve assembly 14 to cause damage when the recovery valve assembly 13 is matched with the compression valve assembly 14 at a high speed; then, the piston rod inner buffer block 11 is arranged at the inner part of the piston rod 7 and the working cylinder 12, and can generate certain friction resistance when being compressed or recovered, so that the recovery valve assembly 13 and the compression valve assembly 14 are well protected, core components of the recovery valve assembly 13 and the compression valve assembly 14 are protected, and the service life of the whole body can be prolonged.

As shown in fig. 1 and 2, the utility model provides a shock absorber for a new energy electric vehicle, wherein a shock-proof gasket 2 is arranged at the matching position of an upper spring disc 3 and an outer spiral spring 5; an anti-falling gasket 4 is arranged at the matching part of the upper spring disc 3 and the piston rod 7; by adopting the technical scheme, the shockproof gasket 2 can reduce the shock generated between the upper spring disc 3 and the piston rod 7, and the anti-drop gasket 4 can effectively prevent the upper spring disc 3 from dropping from the piston rod 7, thereby greatly prolonging the service life.

the utility model discloses a bumper shock absorber for new forms of energy electric motor car, it forms the enclosure through a sound insulation die cavity, can subdue the automobile bumper shock absorber effectively in the course of the work, because the noise that the friction impact produced between the internal part, thus make the driver obtain more comfortable driving experience;

the outer spiral spring made of the linear spring increases the controllability of elasticity, is more beneficial to operation compared with the traditional shock absorber in the use process, increases the balance performance of an automobile, increases the adjusting range of the roll performance and the traction performance of the automobile, and improves the comfort level and the safety of passengers.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. A shock absorber for a new energy electric vehicle comprises a main body (17) with an opening at one end, a working cylinder body (12) arranged in the main body (17), a compression valve assembly (14) arranged at the bottom of the working cylinder body (12), a piston rod (7), a recovery valve assembly (13) arranged at one end of the piston rod (7), a ball head rod assembly (1) arranged at the other end of the piston rod (7) and an external spiral spring (5) arranged outside the main body; the piston rod (7) is arranged in the working cylinder body (12) through a recovery valve assembly (13) and can be matched with a compression valve assembly (14); the method is characterized in that: the interior of the main body (17) is isolated by the working cylinder body (12) to form a sound insulation cavity (16).

2. The shock absorber for the new energy electric vehicle according to claim 1, wherein: a guider assembly (10) is arranged at the matching position of the opening end of the main body (17) and the piston rod (7).

3. The shock absorber for the new energy electric vehicle according to claim 2, wherein: and an oil seal (9) with a sealing effect is arranged at the matching position of the piston rod (7) and the guider assembly (10).

4. The shock absorber for the new energy electric vehicle according to claim 3, wherein: and a piston rod dust cover (8) is arranged at the matching position of the piston rod (7) and the opening end of the main body (17).

5. The shock absorber for the new energy electric vehicle according to claim 4, wherein: the piston rod further comprises an upper spring disc (3) and a lower spring disc (15), wherein the upper spring disc (3) and the lower spring disc (15) are respectively arranged on the piston rod (7) and the main body (17); one end of the outer spiral spring (5) is fixed on the upper spring disc (3), and the other end is fixed in the lower spring disc (15).

6. The shock absorber for the new energy electric vehicle according to claim 5, wherein: the piston rod damping device also comprises a piston rod outer damping block (6) and a piston rod inner damping block (11); one end of the piston rod (7) extends into the working cylinder body (12) and is internally provided with a piston rod inner buffer block (11), and the other end of the piston rod (7) is provided with a piston rod outer buffer block (6) outside the main body (17).

7. The shock absorber for the new energy electric vehicle according to claim 5, wherein: and a shockproof gasket (4) is arranged at the matching part of the upper spring disc (3) and the outer spiral spring (5).

8. The shock absorber for the new energy electric vehicle according to claim 5, wherein: and an anti-dropping gasket (2) is arranged at the matching part of the upper spring disc (3) and the piston rod (7).