CN209943405U

CN209943405U - Bidirectional sleeve damping device for automobile

Info

Publication number: CN209943405U
Application number: CN201920714880.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Meng Guanghong
Current assignee: Meng Guanghong
Priority date: 2019-05-19
Filing date: 2019-05-19
Publication date: 2020-01-14
Anticipated expiration: 2029-05-19

Abstract

The utility model discloses a two-way sleeve damping device for automobile, including sleeve, piston head, piston rod, upper ring and lower ring, the utility model discloses in, through the cooperation mode of operation that is provided with the extension valve and the circulation valve, when the bumper shock absorber was compressed, the piston descended, and the upper chamber volume increased, and the lower chamber volume reduced, and the circulation valve was opened, and the fluid of lower chamber got into the upper chamber through the circulation valve; and a portion of the oil opens the compression valve into the reserve tube. The two valves have the throttling function on oil liquid, so that the shock absorber generates a damping function during compression movement, when the shock absorber is extended, the piston moves upwards, the volume of the upper cavity is reduced, the volume of the lower cavity is increased, the extension valve is opened, and the oil liquid in the upper cavity enters the lower cavity through the extension valve; meanwhile, a part of oil is compensated by opening, and enters the lower cavity from the oil storage cylinder. The damping effect of the two valves on the oil liquid during the stretching movement of the shock absorber can be effectively realized, the damage of the automobile is avoided, the comfort of a driver is improved, and the shock absorber is suitable for wide popularization.

Description

Bidirectional sleeve damping device for automobile

Technical Field

The utility model belongs to the technical field of automobile design, specifically be a two-way sleeve damping device for car.

Background

The shock absorber is installed in the suspension system of most automobiles, when the frame and the axle do reciprocating relative motion, and the piston in the shock absorber also does reciprocating motion in the cylinder barrel, so that the oil in the shell of the shock absorber repeatedly flows from one inner cavity into the other inner cavity through narrow pores. At the moment, the friction between the hole wall and the oil liquid and the liquid intramolecular friction form damping force to vibration, so that the vibration energy of the vehicle body and the vehicle frame is converted into heat energy, and the heat energy is absorbed by the oil liquid and the shock absorber shell and then is dissipated into the atmosphere. The damping force of the shock absorber is increased and decreased along with the increase and decrease of the relative speed of the vehicle frame and the vehicle axle, and is related to the viscosity of oil. The viscosity of the oil used for the shock absorber is required to be affected as little as possible by temperature changes; the automobile shock absorber has the performances of vaporization resistance, oxidation resistance, no corrosion to various metal and nonmetal parts and the like, but the existing automobile shock absorber is poor in shock absorption effect, so that the comfort of a driver is reduced, and automobile parts are easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the bidirectional sleeve damping device for the automobile is provided.

The utility model adopts the technical scheme as follows:

the utility model provides a two-way sleeve damping device for car, includes sleeve, piston head, piston rod, goes up rings and rings down, rings on the telescopic surface top middle-end fixedly connected with, rings under the telescopic surface bottom fixedly connected with, the one end of telescopic inside top fixedly connected with piston rod, the other end fixedly connected with piston head of piston rod, the valve is stretched to middle-end one side fixedly connected with of piston head, the middle-end opposite side fixedly connected with circulation valve of piston head, telescopic inside bottom one side fixedly connected with compression valve, telescopic inside bottom opposite side fixedly connected with compensating valve.

The valve that stretches is including stretching door, first bearing race, the spring that stretches, adjusting shim and gland nut, gland nut's surface has cup jointed the spring that stretches, gland nut's top is provided with first bearing race, be provided with adjusting shim between gland nut and the first bearing race, the top of first bearing race is provided with the door that stretches.

The circulation valve comprises a circulation limiting seat, a circulation spring piece and a circulation door, the circulation limiting seat is arranged at the top of the circulation door, the circulation spring piece is arranged between the circulation limiting seat and the circulation door, a cross opening is formed in the middle of the circulation door, and the circulation limiting seat is fixedly connected with the other side of the middle end in the sleeve.

The compression valve comprises a compression rod, a compression door, a compression spring seat and a second support seat ring, the compression spring is arranged inside the second support seat ring, the compression spring seat is arranged at the bottom of the compression spring, the compression door is arranged at the top of the compression spring, and one end of the compression rod penetrates through the middle of the compression door and the compression spring.

The compensation valve comprises a compensation door and a compensation spring, the top of the compensation door is fixedly connected with the compensation spring, and the compensation door is of a turtle-shaped structure.

The telescopic inside upper end sets up to the working cylinder, telescopic inside lower extreme sets up to the oil storage cylinder, the inside of working cylinder is divided into epicoele and cavity of resorption through the piston rod.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, through the matching operation mode of the extension valve and the circulation valve, when the shock absorber is compressed, the piston moves downwards, the volume of the upper cavity is increased, the volume of the lower cavity is reduced, the circulation valve is opened, and the oil in the lower cavity enters the upper cavity through the circulation valve; and a portion of the oil opens the compression valve into the reserve tube. The two valves have the throttling function on oil liquid, so that the shock absorber generates a damping function during compression movement, when the shock absorber is extended, the piston moves upwards, the volume of the upper cavity is reduced, the volume of the lower cavity is increased, the extension valve is opened, and the oil liquid in the upper cavity enters the lower cavity through the extension valve; meanwhile, a part of oil is compensated by opening, and enters the lower cavity from the oil storage cylinder. The two valves have the damping effect when the shock absorber generates stretching movement under the throttling effect on oil, so that the shock absorption effect can be effectively realized, the automobile is prevented from being damaged, and the comfort of a driver is improved.

2. The utility model discloses in, through the cooperation mode of operation that is provided with compression valve and compensating valve, compression valve and compensating valve between working cylinder lower chamber and the oil storage cylinder are used for the fluid to flow between lower chamber and oil storage cylinder, can effectively improve fluid mobility, improve the shock attenuation effect.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the extension valve of the present invention;

FIG. 3 is a schematic view of the structure of the flow valve of the present invention;

FIG. 4 is a schematic view of the structure of the compression valve of the present invention;

fig. 5 is a schematic structural diagram of the compensating valve of the present invention.

The labels in the figure are: 1. a sleeve; 2. a valve is extended; 3. a compression valve; 4. a compensation valve; 5. a flow-through valve; 6. a piston head; 7. a lower lifting ring; 8. a piston rod; 9. an upper hanging ring; 10. stretching the door; 11. a first bearing race; 12. extending the spring; 13. adjusting the gasket; 14. a compression nut; 15. a circulation limiting seat; 16. a flow-through spring plate; 17. a flow-through gate; 18. a compression rod; 19. a compression gate; 20. a compression spring; 21. a compression spring seat; 22. a second bearing race; 23. a compensation gate; 24. a compensation spring; 25. a working cylinder; 26. the reserve tube.

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 for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a two-way sleeve damping device for car, includes sleeve 1, piston head 6, piston rod 8, goes up rings 9 and rings 7 down, rings 9 are gone up to the surface top middle-end fixedly connected with of sleeve 1, rings 7 are down to the surface bottom fixedly connected with of sleeve 1, the inside top fixedly connected with piston rod 8's of sleeve 1 one end, piston rod 8's other end fixedly connected with piston head 6, the middle-end one side fixedly connected with of piston head 6 stretches valve 2, the middle-end opposite side fixedly connected with flow valve 5 of piston head 6, the inside bottom one side fixedly connected with compression valve 3 of sleeve 1, the inside bottom opposite side fixedly connected with compensating valve 4 of sleeve 1.

Further, valve 2 stretches including door 10, first bearing ring 11, the spring 12 that stretches, adjusting shim 13 and gland nut 14, gland nut 14's surface has cup jointed the spring 12 that stretches, gland nut 14's top is provided with first bearing ring 11, be provided with adjusting shim 13 between gland nut 14 and the first bearing ring 11, the top of first bearing ring 11 is provided with door 10 that stretches, and the fluid of being convenient for adjust epicoele and cavity of resorption through valve 2 that stretches flows.

Further, circulation valve 5 is including the spacing seat of circulation 15, circulation spring leaf 16 and circulation door 17, the top of circulation door 17 is provided with the spacing seat of circulation 15, be provided with circulation spring leaf 16 between spacing seat of circulation 15 and the circulation door 17, open at the middle part of circulation door 17 has the cross mouth, the spacing seat of circulation 15 and the inside middle-end opposite side fixed connection of sleeve 1, can effectively assist the fluid flow of adjusting epicoele and cavity of resorption through circulation valve 5.

Further, the compression valve 3 comprises a compression rod 18, a compression door 19, a compression spring 20, a compression spring seat 21 and a second support seat ring 22, the compression spring 20 is arranged inside the second support seat ring 22, the compression spring seat 21 is arranged at the bottom of the compression spring 20, the compression door 19 is arranged at the top of the compression spring 20, one end of the compression rod 18 penetrates through the middle parts of the compression door 19 and the compression spring 20, and the flow of oil between the lower cavity and the oil storage cylinder 26 can be adjusted through the compression valve 3.

Further, the compensating valve 4 comprises a compensating door 23 and a compensating spring 24, the compensating spring 24 is fixedly connected to the top of the compensating door 23, the compensating door 23 is of a turtle-shaped structure, and the compensating valve 4 can assist in adjusting the flow of oil between the lower cavity and the oil storage cylinder 26.

Further, the inside upper end of sleeve 1 sets up to working cylinder 25, the inside lower extreme of sleeve 1 sets up to reserve tube 26, the inside of working cylinder 25 is divided into upper chamber and cavity through piston rod 8, and cooperation through working cylinder 25 and reserve tube 26 is operated, can improve the shock attenuation effect.

The working principle is as follows: when the utility model is used, when the shock absorber is compressed, the piston rod 8 descends, the volume of the upper chamber is increased, the volume of the lower chamber is reduced, the circulating valve 5 is opened, and the oil in the lower chamber enters the upper chamber through the circulating valve 5; while a portion of the oil opens the compression valve 3 into the reserve tube 26. The two valves have the throttling function on oil liquid, so that the shock absorber generates a damping function during compression movement, when the shock absorber is extended, the piston rod 8 moves upwards, the volume of an upper cavity is reduced, the volume of a lower cavity is increased, the extension valve 2 is opened, and the oil liquid in the upper cavity enters the lower cavity through the extension valve 2; at the same time, a portion of the oil opens the compensation valve 4 from the reserve tube 26 into the lower chamber. The two valves can play a role in damping when the shock absorber generates stretching motion under the throttling action on oil, so that the shock absorption effect can be achieved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a two-way sleeve damping device for car, includes sleeve (1), piston head (6), piston rod (8), goes up rings (9) and rings (7) down, its characterized in that: the utility model discloses a pneumatic sleeve, including the surface top middle-end fixedly connected with of sleeve (1) go up rings (9), rings (7) under the surface bottom fixedly connected with of sleeve (1), the one end of the inside top fixedly connected with piston rod (8) of sleeve (1), the other end fixedly connected with piston head (6) of piston rod (8), valve (2) are stretched to middle-end one side fixedly connected with of piston head (6), the middle-end opposite side fixedly connected with flow valve (5) of piston head (6), inside bottom one side fixedly connected with compression valve (3) of sleeve (1), inside bottom opposite side fixedly connected with compensating valve (4) of sleeve (1).

2. The bi-directional sleeve shock absorbing device for the automobile as claimed in claim 1, wherein: the valve (2) that stretches is including stretching door (10), first bearing seat circle (11), spring (12), adjusting shim (13) and gland nut (14) stretch, the surface of gland nut (14) has cup jointed spring (12) that stretches, the top of gland nut (14) is provided with first bearing seat circle (11), be provided with adjusting shim (13) between gland nut (14) and first bearing seat circle (11), the top of first bearing seat circle (11) is provided with door (10) that stretches.

3. The bi-directional sleeve shock absorbing device for the automobile as claimed in claim 1, wherein: circulation valve (5) are including circulating spacing seat (15), circulation spring leaf (16) and circulation door (17), the top of circulation door (17) is provided with the spacing seat of circulation (15), be provided with circulation spring leaf (16) between spacing seat of circulation (15) and circulation door (17), open at the middle part of circulation door (17) has the cross mouth, the inside middle-end opposite side fixed connection of the spacing seat of circulation (15) and sleeve (1).

4. The bi-directional sleeve shock absorbing device for the automobile as claimed in claim 1, wherein: the compression valve (3) comprises a compression rod (18), a compression door (19), a compression spring (20), a compression spring seat (21) and a second support seat ring (22), the compression spring (20) is arranged inside the second support seat ring (22), the compression spring seat (21) is arranged at the bottom of the compression spring (20), the compression door (19) is arranged at the top of the compression spring (20), and the middle of the compression door (19) and the compression spring (20) is penetrated through one end of the compression rod (18).

5. The bi-directional sleeve shock absorbing device for the automobile as claimed in claim 1, wherein: the compensating valve (4) comprises a compensating door (23) and a compensating spring (24), the top of the compensating door (23) is fixedly connected with the compensating spring (24), and the compensating door (23) is of a turtle-shaped structure.

6. The bi-directional sleeve shock absorbing device for the automobile as claimed in claim 1, wherein: the inside upper end of sleeve (1) sets up to working cylinder (25), the inside lower extreme of sleeve (1) sets up to reserve oil cylinder (26), the inside of working cylinder (25) is divided into epicoele and cavity of resorption through piston rod (8).