CN210218530U - Pneumatic front shock absorber and vehicle - Google Patents

Abstract

The utility model relates to an air pressure front shock absorber and a vehicle, wherein, the air pressure front shock absorber comprises an aluminum barrel, a handle pipe and a shock absorption component; the handle pipe is arranged in the aluminum barrel and is connected through the damping component; the opening of the aluminum barrel is sealed through a first oil seal; the opening of the handle pipe is sealed by a second oil seal. The second oil seal is additionally arranged at the opening of the handle pipe, so that the oil seal performance of the pneumatic front shock absorber is improved, oil leakage is reduced, and the overall performance of the pneumatic front shock absorber is improved.

Description

Pneumatic front shock absorber and vehicle

Technical Field

The utility model relates to a bumper shock absorber field, concretely relates to bumper shock absorber and car before atmospheric pressure.

Background

A front shock absorber assembly belongs to a component of an automobile front suspension system, and mainly plays a role in relieving the vibration of the ground to a vehicle, and guarantees the driving stability and comfort of the vehicle.

However, 85% -90% of the oil leakage of the current front shock absorber is leakage from the opening of the aluminum barrel, so that the shock absorption effect of the front shock absorber is poor.

How to solve the above problems is a need to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bumper shock absorber and car before atmospheric pressure to realize reducing the purpose of bumper shock absorber oil leak.

In order to solve the technical problem, the utility model provides a bumper shock absorber before atmospheric pressure, include:

the aluminum barrel, the handle pipe and the damping component;

the handle pipe is arranged in the aluminum barrel and is connected through the damping component;

the opening of the aluminum barrel is sealed through a first oil seal;

the opening of the handle pipe is sealed by a second oil seal.

Further, the shock absorption assembly comprises a piston rod, a piston and a fixed plug;

one end of the piston rod is fixedly connected with the bottom of the aluminum barrel, and the other end of the piston rod penetrates through the fixing plug and is fixedly connected with the piston;

the fixed plug is fixedly arranged on the inner wall of the handle pipe;

the piston is suitable for sliding relative to the handle tube under the driving of external force.

Further, the second oil seal comprises an oil seal piece and a sealing gasket;

the oil seal piece is sleeved on the piston rod and arranged in the handle pipe through the seal gasket.

Further, the second oil seal further comprises a limiting piece;

the oil seal piece is cylindrical, and an annular groove is formed in the bottom surface, close to the fixing plug, of the oil seal piece;

the limiting part is sleeved on the inner wall of the oil seal part, which is in contact with the piston rod, and is suitable for limiting the oil seal part.

Furthermore, a reinforcing ring is further arranged in the oil seal piece.

Further, a first damping spring is arranged at the bottoms of the piston and the handle pipe;

and a second damping spring is arranged between the piston and the fixed plug.

Further, the shock absorption assembly further comprises a nylon ring;

and a fixing groove suitable for fixing the nylon ring is formed in the connecting surface of the piston and the inner wall of the handle pipe.

Furthermore, a dust cover is fixedly arranged at the opening of the aluminum barrel.

The utility model also provides a car, the car includes the preceding bumper shock absorber of foretell atmospheric pressure.

The utility model has the advantages that the utility model provides an air pressure front shock absorber and a vehicle, wherein, the air pressure front shock absorber comprises an aluminum barrel, a handle pipe and a shock absorption component; the handle pipe is arranged in the aluminum barrel and is connected through the damping component; the opening of the aluminum barrel is sealed through a first oil seal; the opening of the handle pipe is sealed by a second oil seal. The second oil seal is additionally arranged at the opening of the handle pipe, so that the oil seal performance of the pneumatic front shock absorber is improved, oil leakage is reduced, and the overall performance of the pneumatic front shock absorber is improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the pneumatic front shock absorber provided by the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

In the figure, 110-aluminum barrel; 120-a handle tube; 130-a shock absorbing assembly; 131-a piston rod; 132-a fixed plug; 133-a piston; 134-a first damping spring; 135-a second damping spring; 136-nylon ring; 140-a first oil seal; 150-a second oil seal; 151-oil seal; 1511-reinforcement ring; 152-a sealing gasket; 153-a limit stop; 160-dust cover.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Example 1

As shown in fig. 1, the present embodiment 1 provides a pneumatic front shock absorber, including: an aluminum barrel 110, a handle tube 120, and a shock absorbing assembly 130; the handle tube 120 is arranged in the aluminum barrel 110 and connected through the shock absorption assembly 130; the opening of the aluminum barrel 110 is sealed by a first oil seal 140; the opening of the handle pipe 120 is sealed by a second oil seal 150. The second oil seal 150 is additionally arranged at the opening of the handle tube 120, so that the oil seal performance of the pneumatic front shock absorber is improved, oil leakage is reduced, and the overall performance of the pneumatic front shock absorber is improved.

In this embodiment, the shock absorbing assembly 130 includes a piston rod 131, a piston 133, a fixing plug 132; one end of the piston rod 131 is fixedly connected with the bottom of the aluminum barrel 110, and the other end of the piston rod passes through the fixing plug 132 and is fixedly connected with the piston 133; the fixed plug 132 is fixedly arranged on the inner wall of the handle tube 120; the piston 133 is adapted to slide relative to the handle tube 120 under the influence of an external force.

In this embodiment, the second oil seal 150 includes an oil seal 151, a seal gasket 152; the oil seal 151 is sleeved on the piston rod 131 and disposed in the handle tube 120 through the sealing gasket 152.

Specifically, the second oil seal 150 further includes a stopper 153; the oil seal 151 is cylindrical, and annular grooves are formed in the bottom surfaces of the oil seal 151 and the bottom surface close to the fixing plug 132; the limiting member 153 is sleeved on the inner wall of the oil seal 151 contacting the piston rod 131, and is adapted to limit the oil seal 151. The limiting member 153 ensures that the whole structure of the oil seal 151 does not deform when moving relative to the piston rod 131, thereby improving the oil seal effect and preventing oil leakage.

Wherein, still be provided with reinforcing ring 1511 in the oil seal 151. The reinforcing ring 1511 and the oil seal 151 are formed by injection molding, the oil seal 151 is made of nitrile rubber, and the reinforcing ring 1511 is made of metal, so that the overall rigidity of the oil seal 151 is improved, and the oil seal 151 is ensured not to deform when moving relative to the piston rod 131.

In this embodiment, the piston 133 and the bottom of the handle tube 120 are provided with a first damping spring 134; a second damping spring 135 is disposed between the piston 133 and the fixing plug 132. When the shock absorber receives external force before atmospheric pressure, carry out the shock attenuation through first damping spring 134 and second damping spring 135, reset simultaneously to guarantee the comfort level of driving.

In this embodiment, the shock absorbing assembly 130 further comprises a nylon ring 136; a fixing groove suitable for fixing the nylon ring 136 is formed on the inner wall connecting surface of the piston 133 and the handle tube 120. When the piston 133 moves up and down, the oil in the handle tube 120 permeates through the nylon ring 136 in the accommodating cavities on both sides of the piston 133, so that the piston 133 is ensured to move in the oil all the time, the damping force during shock absorption is improved, and the shock absorption effect is improved.

In this embodiment, a dust cover 160 is further fixedly disposed at the opening of the aluminum barrel 110. Thereby preventing dust from entering the pneumatic front shock absorber through the opening of the aluminum bronze. The second oil seal 150 is additionally arranged at the opening of the handle tube 120, so that the oil seal performance of the pneumatic front shock absorber is improved, oil leakage is reduced, and the overall performance of the pneumatic front shock absorber is improved.

The embodiment also provides a vehicle comprising the pneumatic front shock absorber.

In summary, the utility model provides an air pressure front shock absorber and a vehicle, wherein, the air pressure front shock absorber comprises an aluminum barrel, a handle pipe and a shock absorption component; the handle pipe is arranged in the aluminum barrel and is connected through the damping component; the opening of the aluminum barrel is sealed through a first oil seal; the opening of the handle pipe is sealed by a second oil seal. The second oil seal is additionally arranged at the opening of the handle pipe, so that the oil seal performance of the pneumatic front shock absorber is improved, oil leakage is reduced, and the overall performance of the pneumatic front shock absorber is improved.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. A pneumatic front shock absorber, comprising:

the aluminum barrel, the handle pipe and the damping component;

the handle pipe is arranged in the aluminum barrel and is connected through the damping component;

the opening of the aluminum barrel is sealed through a first oil seal;

the opening of the handle pipe is sealed by a second oil seal.

2. The pneumatic front shock absorber of claim 1,

the damping assembly comprises a piston rod, a piston and a fixed plug;

one end of the piston rod is fixedly connected with the bottom of the aluminum barrel, and the other end of the piston rod penetrates through the fixing plug and is fixedly connected with the piston;

the fixed plug is fixedly arranged on the inner wall of the handle pipe;

the piston is suitable for sliding relative to the handle tube under the driving of external force.

3. The pneumatic front shock absorber of claim 2,

the second oil seal comprises an oil seal piece and a sealing gasket;

the oil seal piece is sleeved on the piston rod and arranged in the handle pipe through the seal gasket.

4. The pneumatic front shock absorber of claim 3,

the second oil seal further comprises a limiting piece;

the oil seal piece is cylindrical, and an annular groove is formed in the bottom surface, close to the fixing plug, of the oil seal piece;

the limiting part is sleeved on the inner wall of the oil seal part, which is in contact with the piston rod, and is suitable for limiting the oil seal part.

5. The pneumatic front shock absorber of claim 4,

and a reinforcing ring is also arranged in the oil seal.

6. The pneumatic front shock absorber of claim 2,

a first damping spring is arranged at the bottoms of the piston and the handle pipe;

and a second damping spring is arranged between the piston and the fixed plug.

7. The pneumatic front shock absorber of claim 2,

the shock-absorbing assembly further comprises a nylon ring;

and a fixing groove suitable for fixing the nylon ring is formed in the connecting surface of the piston and the inner wall of the handle pipe.

8. The pneumatic front shock absorber of claim 1,

and a dust cover is fixedly arranged at the opening of the aluminum barrel.

9. A vehicle, characterized in that it comprises a pneumatic front shock absorber according to any one of claims 1-8.

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