CN216589729U

CN216589729U - High-sensitivity internal leakage prevention shock absorber

Info

Publication number: CN216589729U
Application number: CN202123193064.2U
Authority: CN
Inventors: 岑慎洪; 胡胜达; 杨国飞
Original assignee: ZHEJIANG WENDA SHOCK ABSORBER CO Ltd
Current assignee: ZHEJIANG WENDA SHOCK ABSORBER CO Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-24
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a high-sensitivity internal leakage prevention shock absorber in the field of shock absorbers, which comprises a liquid storage cylinder, wherein an adsorption film is arranged on the inner wall of the liquid storage cylinder, the outer surface of the liquid storage cylinder is movably connected with a pressure cylinder, the outer surface of the pressure cylinder is clamped with an oil return container, the inner wall of the oil return container is clamped with two oil pipes, one ends of the two oil pipes, which are close to each other, are respectively provided with an oil way expansion pipe, and the inner wall of each oil pipe and the inner wall of the oil way expansion pipe are jointly clamped with a spring ball. The problem of hydraulic oil leakage is avoided.

Description

High-sensitivity internal leakage prevention shock absorber

Technical Field

The utility model relates to the field of shock absorbers, in particular to a high-sensitivity inner leakage prevention shock absorber.

Background

The shock absorber is used for inhibiting the vibration of the spring when rebounding after absorbing shock and the impact from the road surface, is widely used for automobiles, and is used for accelerating the attenuation of the vibration of a frame and an automobile body when passing through an uneven road surface, although the shock absorbing spring can filter the vibration of the road surface, the spring can still do reciprocating motion, the shock absorber is used for inhibiting the spring from jumping, the shock absorber generates the vibration due to the impact of an elastic element in a suspension system, and the shock absorber is arranged in parallel with the elastic element in the suspension system for attenuating the vibration, and most of the shock absorbers adopted in the automobile suspension system are hydraulic shock absorbers.

The existing shock absorber generates leakage, and the inner leakage or the outer leakage of the shock absorber can be caused mainly due to the damage of an oil seal or the deformation of a cylinder wall, so that the damping force is reduced, the riding comfort is further influenced, and the damage of other hanging parts can be accelerated. Accordingly, those skilled in the art have provided a highly sensitive internal leakage prevention damper to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-sensitivity internal leakage prevention shock absorber to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

including the liquid storage cylinder, the adsorption film is installed to the inner wall of liquid storage cylinder, the surface swing joint of liquid storage cylinder has a pressure section of thick bamboo, the surface joint of pressure section of thick bamboo has the oil return container, the inner wall joint of oil return container has two oil pipe, two the oil circuit expander, every have all been placed to the one end that oil pipe is close to each other the equal common joint of inner wall of oil pipe and oil circuit expander has the spring ball.

As a further scheme of the utility model: the inner wall of the oil return container is fixedly connected with the outer surface of the liquid storage cylinder, each oil pipe is fixedly communicated with the inside of the liquid storage cylinder, and the two ends, far away from each other, of the oil way expanding pipes are fixedly communicated with the ends, close to each other, of the two oil pipes respectively.

As a still further scheme of the utility model: the inner wall of the liquid storage cylinder is provided with a bottom valve, and the inner wall of the pressure cylinder is provided with a piston rod.

As a still further scheme of the utility model: and the bottom end of the piston rod is provided with a flow valve, and the outer surface of the flow valve is in contact with the outer surface of the adsorption film.

As a still further scheme of the utility model: an oil seal ring is placed above the bottom valve, the outer surface of the oil seal ring is fixedly connected with the inner wall of the pressure cylinder, and the inner wall of the oil seal ring is in contact with the outer surface of the piston rod.

As a still further scheme of the utility model: the outer surface of the liquid storage cylinder is provided with a lower spring seat, the outer surface of the pressure cylinder is provided with an upper spring seat, and the bottom surface of the upper spring seat and the upper surface of the lower spring seat are provided with an elastic spring together.

As a still further scheme of the utility model: the upper surface of the upper spring seat is provided with a fixing column, the outer surface of the fixing column is provided with an upper support, and the bottom surface of the lower spring seat is provided with a lower support.

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

1. according to the utility model, the adsorption film is arranged, so that the effect of adsorbing particle impurities contained in oil can be achieved, the particle impurities are reduced, the oil seal ring is protected from being damaged, the sealing performance of the oil seal ring is kept, the internal leakage is prevented, the problem that the oil seal ring is damaged and hydraulic oil leaks is avoided, the oil return container is arranged, the effect of storing the hydraulic oil flowing out of the liquid storage cylinder can be achieved, the purpose of recovering the hydraulic oil and preventing the oil from being lost from the cylinder is achieved, and the problem that the hydraulic oil leaks is avoided.

2. According to the utility model, the oil pipe is matched with the oil way expanding pipe, so that the functions of conveying recovered hydraulic oil and forming change of the inner diameter of the oil way can be achieved, the purpose of backflow of the hydraulic oil into the liquid storage cylinder is realized, backflow control of the spring ball is facilitated, the function of controlling the backflow direction of the hydraulic oil can be achieved by matching the spring ball, the purpose that the hydraulic oil only flows into the liquid storage cylinder but cannot leak out of the liquid storage cylinder is realized, and the problem that the internal hydraulic oil leaks out when the hydraulic oil flows back is avoided.

Drawings

FIG. 1 is a schematic perspective view of an elastic spring according to the present invention;

FIG. 2 is a schematic perspective view of a pressure tube according to the present invention;

FIG. 3 is a cross-sectional view of a perspective elevation view of a reservoir in accordance with the present invention;

FIG. 4 is a cross-sectional view of a perspective elevation view of an oil pipe of the present invention.

In the figure: 1. a liquid storage cylinder; 2. an oil return container; 3. a pressure cylinder; 4. an oil pipe; 5. a lower support; 6. a lower spring seat; 7. an upper spring seat; 8. fixing a column; 9. an upper support; 10. an elastic spring; 11. an oil seal ring; 12. a piston rod; 13. a venting valve; 14. an adsorption film; 15. a bottom valve; 16. a spring ball; 17. and expanding the oil way.

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 to 4, in the embodiment of the utility model, a high-sensitivity internal-leakage-prevention shock absorber includes a liquid storage cylinder 1, an adsorption film 14 is installed on an inner wall of the liquid storage cylinder 1, a pressure cylinder 3 is movably connected to an outer surface of the liquid storage cylinder 1, an oil return container 2 is clamped to an outer surface of the pressure cylinder 3, two oil pipes 4 are clamped to an inner wall of the oil return container 2, oil-way expansion pipes 17 are respectively placed at ends of the two oil pipes 4 close to each other, and a spring ball 16 is clamped to an inner wall of each oil pipe 4 and an inner wall of each oil-way expansion pipe 17 together.

Wherein, the inner wall of the oil return container 2 is fixedly connected with the outer surface of the liquid storage cylinder 1, the interior of each oil pipe 4 is fixedly communicated with the interior of the liquid storage cylinder 1, the ends, far away from each other, of the two oil way expanding pipes 17 are respectively fixedly communicated with the ends, close to each other, of the two oil pipes 4, the inner wall of the liquid storage cylinder 1 is provided with a bottom valve 15, the bottom valve 15 can play a role in damping, is beneficial to shortening the stroke, the piston rod 12 is arranged on the inner wall of the pressure cylinder 3, the piston rod 12 can play a role in matching with the pressure cylinder 3 to move, so that the purpose of driving the vent valve 13 to extrude hydraulic oil is realized, the vent valve 13 is arranged at the bottom end of the piston rod 12, through the flow-through valve 13, the function of flowing through hydraulic oil can be played, the purpose that the hydraulic oil and the flow-through valve 13 generate resistance through friction is achieved, and the outer surface of the flow-through valve 13 is in contact with the outer surface of the adsorption film 14.

Wherein, an oil seal ring 11 is placed above the bottom valve 15, the oil seal ring 11 can play a role of sealing the pressure cylinder 3 and realize the purpose of preventing hydraulic oil leakage, the outer surface of the oil seal ring 11 is fixedly connected with the inner wall of the pressure cylinder 3, the inner wall of the oil seal ring 11 is contacted with the outer surface of the piston rod 12, the outer surface of the liquid storage cylinder 1 is provided with a lower spring seat 6, the lower spring seat 6 can play a role of fixing an elastic spring 10 and is beneficial to matching with the upper spring seat 7, the outer surface of the pressure cylinder 3 is provided with the upper spring seat 7, the upper spring seat 7 can play a role of matching with the lower spring seat 6 to be fixed and is beneficial to driving the pressure cylinder 3, the bottom surface of the upper spring seat 7 and the upper surface of the lower spring seat 6 are jointly provided with the elastic spring 10, the elastic spring 10 can play a role of damping and realize the purpose of matching with the damping of the shock absorber for an automobile, the upper surface of the upper spring seat 7 is provided with a fixing column 8, through the fixed column 8, can play the effect of fixed upper bracket 9, avoid the problem that upper bracket 9 does not have the fixed point, the surface mounting of fixed column 8 has upper bracket 9, through upper bracket 9, can play convenient fixed effect, be favorable to fixing pressure cylinder 3, undersetting 5 is installed to the bottom surface of lower spring seat 6, through undersetting 5, can play the effect of fixed stock solution section of thick bamboo 1, avoid stock solution section of thick bamboo 1 to produce the problem of removing.

The working principle of the utility model is as follows: firstly, when the shock absorber is needed to be used, the upper support 9 and the lower support 5 fix the shock absorber and are installed on a vehicle to be used, when the vehicle moves relatively due to shock, the upper support 9 and the lower support 5 can bear pressure to squeeze the elastic spring 10 to contract, and then the pressure cylinder 3 drives the piston rod 12 inside to move up and down, hydraulic oil inside the liquid storage cylinder 1 can repeatedly flow from the liquid storage cylinder 1 to a cavity inside the pressure cylinder 3 through the flow valve 13 on the piston rod 12, damping force is formed on the generated shock through the friction between the hole wall of the flow valve 13 and oil and the internal friction between oil molecules, shock energy is converted into heat energy and is emitted to the atmosphere, the bottom valve 15 is used for generating damping required when stroke is shortened, the oil seal ring 11 is used for sealing between the pressure cylinder 3 and the liquid storage cylinder 1 to prevent leakage of the hydraulic oil, when containing impurity in the hydraulic oil, can accelerate the damage of oil seal circle 11, and then can lead to leaking in the shock absorber, utilize adsorption film 14 to absorb the impurity in the hydraulic oil, in order to reduce the damage of particle impurity to oil seal circle 11, when hydraulic oil flows out liquid storage cylinder 1, utilize return oil container 2 to collect hydraulic oil, it is extravagant to prevent the hydraulic oil loss, utilize oil pipe 4 to carry hydraulic oil, utilize spring ball 16, oil pipe 4 and the cooperation of oil circuit expander 17, because oil pipe 4 and oil circuit expander 17's aperture are different, spring ball 16 can only follow oil pipe 4 flow direction oil circuit expander 17, prevent to leak from the liquid storage cylinder 1 is interior, consequently, form oil return one-way and switch on, flow back hydraulic oil into in the liquid storage cylinder 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a high sensitivity prevents interior shock absorber that lets out, includes liquid storage cylinder (1), its characterized in that: adsorption film (14) are installed to the inner wall of liquid storage cylinder (1), the surface swing joint of liquid storage cylinder (1) has a pressure section of thick bamboo (3), the surface joint of pressure section of thick bamboo (3) has oil return container (2), the inner wall joint of oil return container (2) has two oil pipe (4), two oil pipe (4) one end that is close to each other has all placed oil circuit expander (17), every the inner wall of oil pipe (4) and the equal joint jointly of inner wall of oil circuit expander (17) have spring ball (16).

2. The high sensitivity internal leakage prevention shock absorber according to claim 1, wherein: the inner wall of oil return container (2) and the fixed surface of liquid storage barrel (1) are connected, every the inside of oil pipe (4) all with the fixed intercommunication in inside of liquid storage barrel (1), two the one end that oil circuit expand pipe (17) kept away from each other is fixed the intercommunication with the one end that two oil pipe (4) are close to each other respectively.

3. The high sensitivity internal leakage prevention shock absorber according to claim 1, wherein: the inner wall of the liquid storage cylinder (1) is provided with a bottom valve (15), and the inner wall of the pressure cylinder (3) is provided with a piston rod (12).

4. The high sensitivity internal leakage prevention damper according to claim 3, wherein: the bottom end of the piston rod (12) is provided with a flow valve (13), and the outer surface of the flow valve (13) is in contact with the outer surface of the adsorption film (14).

5. The high sensitivity internal leakage prevention damper according to claim 3, wherein: an oil seal ring (11) is placed above the bottom valve (15), the outer surface of the oil seal ring (11) is fixedly connected with the inner wall of the pressure cylinder (3), and the inner wall of the oil seal ring (11) is in contact with the outer surface of the piston rod (12).

6. The high sensitivity internal leakage prevention shock absorber according to claim 1, wherein: the outer surface mounting of liquid storage cylinder (1) has down spring seat (6), the outer surface mounting of pressure section of thick bamboo (3) has last spring seat (7), the bottom surface of going up spring seat (7) and the upper surface of spring seat (6) down install elasticity spring (10) jointly.

7. The high sensitivity internal leakage prevention shock absorber according to claim 6, wherein: the upper surface of the upper spring seat (7) is provided with a fixing column (8), the outer surface of the fixing column (8) is provided with an upper support (9), and the bottom surface of the lower spring seat (6) is provided with a lower support (5).