CN218817797U

CN218817797U - Spring oil pressure shock absorber

Info

Publication number: CN218817797U
Application number: CN202222038844.8U
Authority: CN
Inventors: 张国平
Original assignee: Ningbo Julong Environmental Technology Co ltd
Current assignee: Ningbo Julong Environmental Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-04-07
Anticipated expiration: 2032-08-04

Abstract

The utility model provides a spring oil pressure shock absorber, include the base and locate the hydro-cylinder on the base, the coaxial piston rod that is provided with in the hydro-cylinder, install the oil blanket frame in the hydro-cylinder, the through-hole has been seted up at the center of oil blanket frame, the piston rod slides and sets up in the inside of through-hole, the oil blanket is installed at the top of oil blanket frame, the top female connection of hydro-cylinder has sealed upper cover, be provided with the sealing washer between oil blanket and the sealed upper cover, the utility model provides a use through setting up hydro-cylinder, oil blanket frame, oil blanket, sealing washer and the cooperation of sealed upper cover, form the protective layer of three-layer seal for the hydro-cylinder can avoid the exosmosis of damping oil with the connected region of sealed upper cover, simultaneously, is provided with the seal cover in the sealed upper cover, increases with the area of contact of piston rod, and the leakproofness can be strengthened, has increased spring oil pressure shock absorber's leakproofness, not only makes the sealed effect of whole shock absorber strengthen, increases shock absorber's effect moreover.

Description

Spring oil pressure shock absorber

Technical Field

The utility model belongs to the technical field of the shock absorber, more specifically says, in particular to spring oil pressure shock absorber.

Background

The shock absorber is widely used for automobiles, and aims to absorb shock caused by the automobile running on a concave-convex road surface so as to enable the automobile to be more stable and comfortable in driving/riding. The rebound of the spring cannot be controlled without a shock absorber, the vehicle can generate serious bounce when encountering rough road surfaces, and the tire can lose the grip force and the tracking property due to the vertical vibration of the spring when bending over.

Based on the above, the present inventors found that the following problems exist: present spring oil pressure shock absorber is in the use, and the motion frequency of its piston rod realizes the sealed of master cylinder and piston rod through the upper cover, and the damping oil oozes outward when upper cover and master cylinder cause repetitious usage easily in its internal pressure constantly changes, and sealed effect is poor, and simultaneously, the heat dissipation is relatively poor, influences the result of use of moving away to avoid possible earthquakes of shock absorber easily, has reduced the life of shock absorber for the maintenance and the maintenance in later stage are very difficult.

In view of the above, research and improvement are made on the existing structure and defects, and a spring oil pressure shock absorber is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a spring oil pressure shock absorber, with the problem of solving present spring oil pressure shock absorber in the use, the frequency of motion of its piston rod, realize the sealing of owner's jar and piston rod through the upper cover, the upper cover constantly changes with the owner's jar in its internal pressure, damping oil exosmoses when causing repetitious usage easily, it is sealed poor to effect, and simultaneously, the heat dissipation is relatively poor, influence the effect of moving away to avoid possible earthquakes of shock absorber easily, the life of shock absorber has been reduced, make the maintenance and the maintenance in later stage very difficult problem.

The purpose and effect of the spring oil pressure shock absorber of the utility model are achieved by the following concrete technical means:

the utility model provides a spring oil pressure shock absorber, includes the base and locates the hydro-cylinder on the base, the coaxial piston rod that is provided with in the hydro-cylinder, install the oil blanket frame in the hydro-cylinder, the through-hole has been seted up at the center of oil blanket frame, the piston rod slides and sets up in the inside of through-hole, the oil blanket is installed at the top of oil blanket frame, the top female connection of hydro-cylinder has sealed upper cover, be provided with the sealing washer between oil blanket and the sealed upper cover, the one end of piston rod is connected with the piston, the top and the bottom of piston all are connected with seal gasket, the seal gasket laminating sets up on the inner wall of hydro-cylinder.

Furthermore, a groove is formed in the center of the upper sealing cover, a sealing sleeve is mounted on the inner wall of the groove, and one end of the piston rod is attached to the inside of the sealing sleeve.

Furthermore, a heat dissipation opening is formed in the inner wall of the top of the oil cylinder, a heat dissipation cavity is formed in the inner wall of the oil cylinder, and the heat dissipation cavity is communicated with the heat dissipation opening.

Further, the inside of heat dissipation cavity is filled with liquid ammonia, the inside of thermovent is pegged graft and is had sealed stopper, the surface of hydro-cylinder is close to top and bottom and all is equipped with the heat dissipation wing.

Furthermore, the other end fixedly connected with footstock of piston rod, be connected with the spring between base and the footstock, hydro-cylinder and piston rod all set up in the inside of spring.

Furthermore, the top of the footstock is provided with an upper lifting lug, an upper lifting lug bearing is arranged in the through hole of the upper lifting lug in an interference fit mode, and an upper lifting lug bearing hole is formed in the upper lifting lug bearing.

Further, a lower lifting lug is installed at the bottom of the base, a lower lifting lug bearing is arranged in the through hole of the lower lifting lug in an interference fit mode, and a lower lifting lug bearing hole is formed in the lower lifting lug bearing.

Furthermore, the oil cylinder is made of aluminum alloy materials, the heat dissipation fins of the oil cylinder are formed in an integrated punching mode, and anti-corrosion coatings are arranged on the surfaces of the heat dissipation fins.

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

1. the utility model provides a through setting up hydro-cylinder, oil blanket frame, oil blanket, sealing washer and sealed upper cover cooperation use, form the protective layer of three-layer seal for the connected region of hydro-cylinder and sealed upper cover can avoid the exosmosis of damping oil, simultaneously, is provided with the seal cover in the sealed upper cover, and the area of contact with the piston rod increases, and the leakproofness can be strengthened, has increased the leakproofness of spring oil pressure shock absorber, not only makes the sealed effect of whole shock absorber strengthen, increases the shock absorber effect of shock absorber moreover;

2. through setting up the hydro-cylinder, the thermovent, heat dissipation cavity and heat dissipation wing cooperation are used, when the piston rod reciprocating motion produced a large amount of heats in the hydro-cylinder, heat transfer to the liquid ammonia in the heat dissipation cavity, the liquid ammonia is heated gasification and absorbs a large amount of heats, the heat dissipation effect of heat dissipation wing is reunited, the radiating effect of increase bumper shock absorber, the heat of bumper shock absorber has been reduced fast, the resistant decay degree of bumper shock absorber has been improved, the realization is cooled down the bumper shock absorber circulation, avoid the high temperature work of bumper shock absorber, the life of extension bumper shock absorber.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the front view cross-section structure of the present invention.

Fig. 3 is an enlarged schematic view of a in fig. 2 according to the present invention.

Fig. 4 is an enlarged schematic view of B in fig. 2 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 2. an oil cylinder; 3. a piston rod; 4. a spring; 5. a top seat; 6. an upper lifting lug; 7. a lower lifting lug; 8. sealing the upper cover; 9. a groove; 10. sealing sleeves; 11. an oil seal frame; 12. oil sealing; 13. a seal ring; 14. a heat dissipation port; 15. a heat dissipation cavity; 16. sealing the plug; 17. a piston; 18. sealing gaskets; 19. an upper lug bearing; 20. an upper shackle bearing bore; 21. a lower lug bearing; 22. a lower lifting lug bearing hole; 23. and heat dissipation fins.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a spring oil pressure shock absorber, include base 1 and locate hydro-cylinder 2 on the base 1, the coaxial piston rod 3 that is provided with in the hydro-cylinder 2, install oil blanket frame 11 in the hydro-cylinder 2, the through-hole has been seted up at the center of

oil blanket frame

11, 3 slip of piston rod set up in the inside of through-hole, oil blanket 12 is installed at the top of oil blanket frame 11, the top female connection of hydro-cylinder 2 has sealed upper cover 8, be provided with sealing washer 13 between oil blanket 12 and the sealed upper cover 8, the one end of piston rod 3 is connected with piston 17, piston 17's top and bottom all are connected with seal gasket 18, the laminating of seal gasket 18 sets up on hydro-cylinder 2's inner wall.

In other embodiments, a groove 9 is formed in the center of the upper sealing cover 8, a sealing sleeve 10 is mounted on the inner wall of the groove 9, one end of the piston rod 3 is attached to the inside of the sealing sleeve 10, the sealing sleeve 10 is arranged in the upper sealing cover 8, the sealing sleeve 10 increases the contact area between the upper sealing cover 8 and the piston rod 3, and the sealing performance is enhanced.

In other embodiments, the thermovent 14 has been seted up on the top inner wall of hydro-cylinder 2, heat dissipation cavity 15 has been seted up in the inner wall of hydro-cylinder 2, heat dissipation cavity 15 and thermovent 14 are linked together, the intussuseption of heat dissipation cavity 15 is filled with liquid ammonia, sealed stopper 16 has been pegged graft to thermovent 14's inside, the surface of hydro-cylinder 2 is close to top and bottom and all is equipped with heat dissipation fin 23, pull down sealed stopper 16, fill liquid ammonia to the inside of heat dissipation cavity 15 through thermovent 14, when piston rod 3 produced a large amount of heats at hydro-cylinder 2 reciprocating motion, heat transfer is to the liquid ammonia in the heat dissipation cavity 15, liquid ammonia is heated gasification and absorbs a large amount of heats, the radiating effect of recombination heat dissipation fin 23, the radiating effect of increase bumper shock absorber, the heat of bumper shock absorber has been reduced fast.

In other embodiments, the other end of the piston rod 3 is fixedly connected with a top seat 5, a spring 4 is connected between the base 1 and the top seat 5, the oil cylinder 2 and the piston rod 3 are both arranged inside the spring 4, and the shock absorption effect of the shock absorber is improved by arranging the spring 4 and the oil cooperation inside the oil cylinder 2 for common shock absorption.

In other embodiments, the upper lifting lug 6 is installed at the top of the top seat 5, the upper lifting lug bearing 19 is in interference fit in the through hole of the upper lifting lug 6, the upper lifting lug bearing hole 20 is formed in the upper lifting lug bearing 19, and the spring oil pressure shock absorber can be better connected with a frame by arranging the upper lifting lug bearing hole 20, so that the spring oil pressure shock absorber is more convenient to install.

In other embodiments, the lower lifting lug 7 is installed at the bottom of the base 1, the lower lifting lug bearing 21 is in interference fit in the through hole of the lower lifting lug 7, the lower lifting lug bearing hole 22 is formed in the lower lifting lug bearing 21, and the spring oil pressure shock absorber can be connected with a frame through the lower lifting lug bearing hole 22, so that the spring oil pressure shock absorber is more convenient to install.

In other embodiments, the oil cylinder 2 is made of an aluminum alloy material, the heat dissipation fins 23 of the oil cylinder 2 are integrally formed in a punching mode, and the surfaces of the heat dissipation fins 23 are provided with anti-corrosion coatings.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, in the use, oil blanket 12, sealing washer 13 and sealed upper cover 8 cooperation are used, form the protective layer that the three-layer is sealed, make hydro-cylinder 2 and the outer infiltration of damping oil can be avoided with sealed upper cover 8's connection region, and simultaneously, be provided with seal cover 10 in the sealed upper cover 8, seal cover 10 makes the area of contact of sealed upper cover 8 and piston rod 3 increase, the leakproofness can be strengthened, the leakproofness of spring oil pressure shock absorber has been increased, not only make the sealed effect of whole shock absorber strengthen, and increase the shock absorber effect of shock absorber, when external pressure increases, piston rod 3 drives piston 17 motion, piston 17 both sides fluid, one side receives the compression, the release is received to the opposite side, resist external shock through suction and elasticity, improve the shock absorber effect, pull down sealing plug 16, fill liquid ammonia to heat dissipation cavity 15 through thermovent 14, when piston rod 3 reciprocating motion produces a large amount of heat in hydro-cylinder 2, heat transfer to the liquid ammonia in heat dissipation cavity 15, the heat is gasified and absorbed a large amount of heat, the heat dissipation effect of heat dissipation fin 23 is reunited, the heat dissipation effect of shock absorber has been increased, the liquid ammonia of shock absorber has been reduced fast, the shock absorber attenuation degree of shock absorber has been improved, high temperature resistant work is avoided, the life-attenuation of shock absorber, the high temperature cycle cooling is prolonged, the life of shock absorber.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a spring oil pressure shock absorber, includes base (1) and hydro-cylinder (2) of locating on base (1), its characterized in that: the coaxial piston rod (3) that is provided with in hydro-cylinder (2), install oil blanket frame (11) in hydro-cylinder (2), the through-hole has been seted up at the center of oil blanket frame (11), piston rod (3) slide to set up in the inside of through-hole, oil blanket (12) are installed at the top of oil blanket frame (11), the top female connection of hydro-cylinder (2) has sealed upper cover (8), be provided with between oil blanket (12) and sealed upper cover (8) sealing washer (13), the one end of piston rod (3) is connected with piston (17), the top and the bottom of piston (17) all are connected with seal gasket (18), the laminating of seal gasket (18) sets up on the inner wall of hydro-cylinder (2).

2. The spring oil-pressure shock absorber according to claim 1, wherein: the piston rod sealing structure is characterized in that a groove (9) is formed in the center of the upper sealing cover (8), a sealing sleeve (10) is installed on the inner wall of the groove (9), and one end of the piston rod (3) is attached to the inside of the sealing sleeve (10).

3. The spring oil-pressure shock absorber according to claim 1, wherein: the oil cylinder is characterized in that a heat dissipation opening (14) is formed in the inner wall of the top of the oil cylinder (2), a heat dissipation cavity (15) is formed in the inner wall of the oil cylinder (2), and the heat dissipation cavity (15) is communicated with the heat dissipation opening (14).

4. The spring oil-pressure shock absorber as set forth in claim 3, wherein: liquid ammonia is filled in the heat dissipation cavity (15), a sealing plug (16) is inserted in the heat dissipation opening (14), and heat dissipation fins (23) are sleeved on the surface, close to the top and the bottom, of the oil cylinder (2).

5. The spring oil-pressure shock absorber according to claim 1, wherein: the other end fixedly connected with footstock (5) of piston rod (3), be connected with spring (4) between base (1) and footstock (5), hydro-cylinder (2) and piston rod (3) all set up in the inside of spring (4).

6. The spring oil-pressure shock absorber according to claim 5, wherein: the top of the footstock (5) is provided with an upper lifting lug (6), the inside of a through hole of the upper lifting lug (6) is in interference fit with an upper lifting lug bearing (19), and an upper lifting lug bearing hole (20) is formed in the inner part of the upper lifting lug bearing (19).

7. The spring oil-pressure shock absorber according to claim 1, wherein: lower lug (7) is installed to the bottom of base (1), the inside interference fit of through-hole of lug (7) has lower lug bearing (21) down, the inside of lug bearing (21) is equipped with down and hangs lug bearing hole (22) down.

8. The spring oil-pressure shock absorber according to claim 1, wherein: the oil cylinder (2) is made of an aluminum alloy material, the heat dissipation fins (23) of the oil cylinder (2) are formed in an integrated punching mode, and an anti-corrosion coating is arranged on the surfaces of the heat dissipation fins (23).