CN220015916U

CN220015916U - Oil storage cylinder

Info

Publication number: CN220015916U
Application number: CN202321011595.1U
Authority: CN
Inventors: 杜向峰; 张晔
Original assignee: Cnracing Performance Products Co ltd
Current assignee: Cnracing Performance Products Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-14
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to the technical field of shock absorbers, and discloses an oil storage cylinder, which comprises an oil cylinder assembly, wherein the oil cylinder assembly comprises: the bottom of the mounting seat is provided with a rod body; the oil cylinder barrel is arranged below the mounting seat and contains the rod body; the foot pipe is arranged at the bottom of the oil cylinder barrel; the overflow valve piston is arranged on the outer side wall of the rod body; the floating piston is arranged in the oil cylinder barrel; the bottom valve is arranged in the foot tube; this oil storage jar through set up a foot pipe of conveniently floating piston screw in the bottom of oil cylinder, when the bumper shock absorber works on the car, can be that floating piston removes longer distance, and the length of whole oil cylinder can not increase, has satisfied the bumper shock absorber mounting structure of some motorcycle types and has specially, and the bumper shock absorber can not too long requirement has still guaranteed the work effect of bumper shock absorber.

Description

Oil storage cylinder

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to an oil storage cylinder.

Background

In a suspension system of an automobile, since vibration is generated by impact of an elastic element, in order to improve running smoothness of the automobile, a shock absorber is arranged in parallel with the elastic element in the suspension, the shock absorber of the automobile mainly works by means of a spring and a damping barrel core, and the barrel core is used as the most important component in the shock absorber and consists of a cylinder, a piston rod, a bottom cover and other components, and is used for connecting the spring, a tower top, a foot pipe and other parts besides providing damping force. Besides providing better damping force, the tooth twisting shock absorber can also enable the chassis of the automobile to rise and fall through adjusting the length of the shock absorber, so that the appearance of the automobile is more attractive, and meanwhile, the automobile is more stable in the running process. The shock absorber of some motorcycle types installs the structure special, and the shock absorber can't reduce, and to this kind of special shock attenuation, we have changed the barrel core structure, have designed new hydro-cylinder structure, make the shock absorber become shorter.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the oil storage cylinder which has the advantage of shorter length and solves the problem that the shock absorber cannot be lowered due to special installation structure of the shock absorber of part of vehicle types.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a reservoir cylinder comprising a cylinder assembly, the cylinder assembly comprising: the bottom of the mounting seat is provided with a rod body; the oil cylinder barrel is arranged below the mounting seat and contains the rod body; the foot pipe is arranged at the bottom of the oil cylinder barrel; the overflow valve piston is arranged on the outer side wall of the rod body; the floating piston is arranged in the oil cylinder barrel; the bottom valve is arranged in the foot tube.

Preferably, a guide sleeve matched with the rod body is arranged on the inner wall of the oil cylinder barrel, and a sealing ring is arranged between the guide sleeve and the rod body.

Preferably, a rubber pad is arranged on the outer side wall of the rod body.

Preferably, a first fixing seat is arranged on the outer side wall of the rod body, a second fixing seat is arranged on the outer side wall of the oil cylinder barrel, and a spring is arranged between the first fixing seat and the second fixing seat.

Preferably, a telescopic sleeve is arranged between the first fixing seat and the second fixing seat, and the telescopic sleeve contains the rod body.

Preferably, the outer side wall of the rod body is provided with a chuck matched with the overflow valve piston.

Preferably, the floating piston is of hollow structure and is downwardly open.

Preferably, the outer side wall of the floating piston is provided with a guide sleeve and a sealing sleeve.

(III) beneficial effects

Compared with the prior art, the utility model provides the oil storage cylinder, which has the following beneficial effects:

this oil storage jar through set up a foot pipe of conveniently floating piston screw in the bottom of oil cylinder, when the bumper shock absorber works on the car, can be that floating piston removes longer distance, and the length of whole oil cylinder can not increase, has satisfied the bumper shock absorber mounting structure of some motorcycle types and has specially, and the bumper shock absorber can not too long requirement has still guaranteed the work effect of bumper shock absorber.

Drawings

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

fig. 2 is a schematic structural view of a foot tube according to the present utility model.

In the figure:

1. an oil cylinder assembly; 11. a mounting base; 12. a rod body; 121. guide sleeve; 122. a seal ring; 123. a rubber pad; 13. an oil cylinder; 14. a first fixing seat; 141. a second fixing seat; 142. a spring; 143. a telescopic sleeve; 15. foot tubes; 16. an overflow valve piston; 161. a chuck; 17. a floating piston; 171. a guide sleeve; 172. sealing sleeve; 18. a bottom valve.

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

A reservoir cylinder comprising a cylinder assembly 1, the cylinder assembly 1 comprising: the bottom of the mounting seat 11 is provided with a rod body 12; the oil cylinder 13 is arranged below the mounting seat 11, and the oil cylinder 13 contains the rod body 12; a foot pipe 15 arranged at the bottom of the oil cylinder 13; an overflow valve piston 16 provided on the outer side wall of the rod body 12; a floating piston 17 provided inside the oil cylinder 13; a bottom valve 18 is provided inside the leg pipe 15.

The inner wall of the oil cylinder 13 is provided with a guide sleeve 121 matched with the rod body 12, a sealing ring 122 is arranged between the guide sleeve 121 and the rod body 12, a rubber pad 123 is arranged on the outer side wall of the rod body 12, a first fixing seat 14 is arranged on the outer side wall of the rod body 12, a second fixing seat 141 is arranged on the outer side wall of the oil cylinder 13, a spring 142 is arranged between the first fixing seat 14 and the second fixing seat 141, a telescopic sleeve 143 is arranged between the first fixing seat 14 and the second fixing seat 141, the telescopic sleeve 143 accommodates the rod body 12, a chuck 161 matched with the overflow valve piston 16 is arranged on the outer side wall of the rod body 12, the floating piston 17 is of a hollow structure and is downward in opening, and a guide sleeve 171 and a sealing sleeve 172 are arranged on the outer side wall of the floating piston 17.

Referring to fig. 1-2, in use, the mounting seat 11 drives the rod body 12 to move downwards, the rod body 12 is inserted into the oil cylinder 13, when the automobile runs on a bumpy road, impact load generated by the ground is transmitted to the shock absorber, so that the shock absorber is instantaneously compressed, at the moment, gas in the oil cylinder 13 is compressed, thereby absorbing a part of the impact load, meanwhile, the rod body 12 supports the overflow valve piston 16 to move in the oil storage area of the oil cylinder 13, so that a part of the load is absorbed by fluid in the oil storage area, and meanwhile, the fluid in the oil storage area impacts the floating piston 17, so that a vacuum area is formed in the oil storage area, and further the impact load is absorbed; the floating piston 17 can enter the foot pipe 15 to reduce the whole length of the oil cylinder 13, a first fixed seat 14 and a second fixed seat 141 are arranged on the outer side walls of the rod body 12 and the oil cylinder 13, a telescopic sleeve 143 for protecting the rod body 12 is arranged on the first fixed seat 14 and the second fixed seat 141, and a spring 142 for further increasing the buffering effect of the oil cylinder is arranged; the chuck 161 matched with the overflow valve piston 16 is arranged on the outer side wall of the rod body 12, so that the stability of the overflow valve piston is improved, the floating piston 17 is of a hollow structure, and the opening is downward, so that more nitrogen can be stored at the bottom of the oil cylinder 13, the damping compression and rebound response is faster, a driver can feel the running condition of the vehicle more clearly, the vehicle operability is improved, and the occurrence probability of abnormal noise is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reservoir cylinder comprising a cylinder assembly (1), the cylinder assembly (1) comprising:

the bottom of the mounting seat (11) is provided with a rod body (12);

the oil cylinder barrel (13) is arranged below the mounting seat (11), and the oil cylinder barrel (13) contains the rod body (12);

the foot tube (15) is arranged at the bottom of the oil cylinder barrel (13);

an overflow valve piston (16) provided on the outer side wall of the rod body (12);

a floating piston (17) provided inside the oil cylinder (13);

and a bottom valve (18) provided inside the foot pipe (15).

2. A reservoir according to claim 1, characterized in that: the inner wall of the oil cylinder barrel (13) is provided with a guide sleeve (121) matched with the rod body (12), and a sealing ring (122) is arranged between the guide sleeve (121) and the rod body (12).

3. A reservoir according to claim 2, characterized in that: the outer side wall of the rod body (12) is provided with a rubber pad (123).

4. A reservoir according to claim 1, characterized in that: the oil cylinder is characterized in that a first fixing seat (14) is arranged on the outer side wall of the rod body (12), a second fixing seat (141) is arranged on the outer side wall of the oil cylinder barrel (13), and a spring (142) is arranged between the first fixing seat (14) and the second fixing seat (141).

5. A reservoir according to claim 4, wherein: a telescopic sleeve (143) is arranged between the first fixing seat (14) and the second fixing seat (141), and the telescopic sleeve (143) contains the rod body (12).

6. A reservoir according to claim 1, characterized in that: the outer side wall of the rod body (12) is provided with a chuck (161) matched with the overflow valve piston (16).

7. A reservoir according to claim 1, characterized in that: the floating piston (17) is of a hollow structure and is downward in opening.

8. A reservoir according to claim 7, wherein: the outer side wall of the floating piston (17) is provided with a guide sleeve (171) and a sealing sleeve (172).