CN217463034U

CN217463034U - Hardness-adjustable automobile shock absorber

Info

Publication number: CN217463034U
Application number: CN202221191760.1U
Authority: CN
Inventors: 杨小川; 董庆义; 孙胜战
Original assignee: Zhejiang Fulesi Automobile Technology Co ltd
Current assignee: Zhejiang Fulesi Automobile Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-09-20
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a hardness-adjustable automobile shock absorber, which relates to the technical field of shock absorbers, wherein the outer surface of a cylinder body is rectangular and is provided with four groups of positioning holes which are evenly distributed, the surface of the cylinder body is provided with a lower limiting part in a sliding way, the side surface of the lower limiting part is rectangular and is provided with four bolt holes which are matched with the four groups of positioning holes, each bolt hole and the positioning holes which are aligned with the bolt hole are jointly provided with a bolt, the size of the bolt is matched with the positioning holes and the bolt holes, four bolts are screwed into the four equal-height positioning holes with other heights so as to change the position of the lower limiting part, thereby changing the distance between the upper limiting part and the lower limiting part, leading the device to be capable of installing springs with various lengths, increasing the practicability of the device, connecting the upper limiting part with a piston rod through an external thread matching threaded hole, and installing the lower limiting part on the cylinder body through the four bolts, make two locating parts can all take off from top to bottom, be convenient for change two locating parts.

Description

Hardness-adjustable automobile shock absorber

Technical Field

The utility model relates to a bumper shock absorber technical field specifically is an adjustable automobile shock absorber ware of soft or hard degree.

Background

At present, a patent net discloses an automobile shock absorber (publication number: CN209705167U), wherein lower spring seats of the automobile shock absorber are all fixed on a cylinder body, the position of the lower spring seats cannot be adjusted, the distance between the two spring seats is fixed and cannot be adjusted, the automobile shock absorber can only be matched with springs with the same length as the distance between the two spring seats, and the adaptability of the automobile shock absorber is very small, so that a person skilled in the art provides the automobile shock absorber with adjustable hardness.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an adjustable automobile shock absorber ware of soft or hard degree has solved the lower spring holder of device and has all been fixed the unable problem of adjusting of position on the cylinder body.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an adjustable automobile shock absorber ware of soft or hard, includes the cylinder body, the surface of cylinder body is the rectangle and sets up four evenly distributed's locating hole, the surface of cylinder body slides and is provided with down the spacing piece, the side of spacing piece is the rectangle down and sets up four bolt holes rather than four locating hole looks adaptation, every bolt hole is downthehole and rather than being provided with the bolt jointly between the locating hole that aligns, the size and the locating hole and the bolt hole looks adaptation of bolt.

As a further technical scheme of the utility model, the inside of cylinder body is provided with the piston rod that extends to the cylinder body outside, the end of piston rod is provided with spacing piece, the external screw thread has been seted up to the end of piston rod, go up the lower surface of spacing piece and set up the screw hole with external screw thread looks adaptation.

As the utility model discloses a further technical scheme, the inside slip of cylinder body is provided with the gas-liquid piston, the gas-liquid piston is with inside sap cavity and the air cavity of being divided into of cylinder body, the piston is installed to the end that the piston rod is located the sap cavity, be provided with hydraulic oil in the sap cavity, the suspension has the iron powder in the hydraulic oil.

As a further technical scheme of the utility model, the piston includes the main part, the inner chamber has been seted up to the main part inside.

As a further technical scheme of the utility model, inner chamber internally mounted has the electro-magnet, a plurality of evenly distributed and the through-hole that communicates with the inner chamber have all been seted up to the upper and lower surface of main part.

As a further technical scheme of the utility model, the lug is installed to the lower extreme of cylinder body, the surface of cylinder body and piston rod is provided with the spring under in spacing and on between the spacing.

Advantageous effects

The utility model provides an adjustable automobile shock absorber ware of soft or hard degree. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides an adjustable automobile shock absorber ware of soft or hard, is through seting up four groups locating holes on the cylinder body, realizes fixing the locating part on the cylinder body in four locating holes of same height of four bolt screw in on the lower locating part, thereby also can change the position of locating part down in the equal high locating hole of four other heights of four bolt screw in to the distance between two locating parts about the change makes the spring that the device can install multiple length, increases the practicality of device.

2. The utility model provides an adjustable automobile shock absorber ware of soft or hard, is connected spacing piece and piston rod on will going up through the external screw thread fit screw hole, installs spacing piece down on the cylinder body through four bolts for two locating parts can all be taken off from top to bottom, can change two locating parts after the long-time work of spacing piece is damaged from top to bottom, the life of extension device.

Drawings

FIG. 1 is a schematic structural view of an automobile shock absorber with adjustable hardness;

FIG. 2 is an exploded view of a vehicle shock absorber with adjustable stiffness;

FIG. 3 is a sectional view of a cylinder block assembly of a stiffness adjustable automobile shock absorber;

FIG. 4 is a schematic view of a piston and piston rod structure of an automobile shock absorber with adjustable hardness;

fig. 5 is a sectional view of a piston of a stiffness-adjustable automobile shock absorber.

In the figure: 1. a cylinder body; 2. positioning holes; 3. a lower retainer; 4. bolt holes; 5. a bolt; 6. a piston rod; 7. an upper limiting member; 8. an external thread; 9. a threaded hole; 10. a spring; 11. a piston; 111. a main body; 112. an inner cavity; 113. an electromagnet; 114. a through hole; 12. a gas-liquid piston; 13. a liquid chamber; 14. an air cavity; 15. and (7) lifting lugs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a soft or hard adjustable automobile shock absorber ware technical scheme: a hardness-adjustable automobile shock absorber comprises a cylinder body 1, wherein the outer surface of the cylinder body 1 is rectangular and is provided with four groups of positioning holes 2 which are uniformly distributed, the surface of the cylinder body 1 is provided with a lower limiting piece 3 in a sliding manner, the side surface of the lower limiting piece 3 is rectangular and is provided with four bolt holes 4 which are matched with the four groups of positioning holes 2, a bolt 5 is arranged in each bolt hole 4 and between the positioning holes 2 which are aligned with the bolt holes, the size of each bolt 5 is matched with the positioning holes 2 and the bolt holes 4, when the automobile shock absorber is used, the four bolts 5 are screwed out, the lower limiting piece 3 is not fixed, the position of the lower limiting piece 3 is moved to ensure that the distance between the lower limiting piece 3 and the upper limiting piece 7 is matched with a spring 10, then the four bolt holes 4 of the lower limiting piece 3 are aligned with the four positioning holes 2 which are the nearest and have the same height, and then each bolt 5 is screwed into the position between the bolt hole 4 which is aligned with the corresponding to the positioning hole 4, fix down spacing piece 3 again, the operation is accomplished, changes the distance between two upper and lower spacing pieces for the spring of multiple length can be installed to the device, increases the practicality of device.

Referring to fig. 1-2, a piston rod 6 extending to the outside of the cylinder body 1 is arranged inside the cylinder body 1, an upper limiting member 7 is arranged at the end of the piston rod 6, an external thread 8 is arranged at the end of the piston rod 6, a threaded hole 9 matched with the external thread 8 is arranged on the lower surface of the upper limiting member 7, when the upper limiting member 7 is replaced, the upper limiting member 7 is screwed down from the piston rod 6, then the brand-new upper limiting member 7 is screwed on the external thread 8 at the end of the piston rod 6 in cooperation with the threaded hole 9, the replacement is completed, the damaged upper limiting member 7 can be replaced, and the service life of the device is prolonged.

Referring to fig. 3 and 5, a gas-liquid piston 12 is slidably disposed inside a cylinder 1, the gas-liquid piston 12 divides the inside of the cylinder 1 into a liquid chamber 13 and a gas chamber 14, a piston 11 is mounted at an end of a piston rod 6 located in the liquid chamber 13, hydraulic oil is disposed in the liquid chamber 13, iron powder is suspended in the hydraulic oil, the piston 11 includes a main body 111, an inner chamber 112 is disposed inside the main body 111, an electromagnet 113 is disposed inside the inner chamber 112, a plurality of through holes 114 are uniformly distributed on upper and lower surfaces of the main body 111 and are communicated with the inner chamber 112, the electromagnet 113 generates a magnetic field after being energized to adsorb the iron powder mixed in the hydraulic oil, the through holes 114 are blocked, resistance of the piston 11 moving inside the hydraulic oil is increased, by increasing current flowing into the electromagnet 113, the magnetic field strength of the electromagnet 113 can be increased, the electromagnet 113 can adsorb more iron powder, and the blocking area of the through holes 114 is increased, the greater the resistance of the piston 11 to movement in the hydraulic fluid, the harder the vehicle shock absorber, and thus the adjustment of the degree of softness can be achieved by changing the current of the electromagnet 113.

Referring to fig. 1, a lifting lug 15 is installed at the lower end of a cylinder body 1, a spring 10 is arranged between a lower limiting piece 3 and an upper limiting piece 7 on the surfaces of the cylinder body 1 and a piston rod 6, the lifting lug 15 is used for installing and fixing a shock absorber, the upper limiting piece 7 is driven to move downwards when an automobile vibrates, the spring 10 is compressed, and the bounce of the spring 10 weakens the vibration of the automobile, so that the shock absorption effect is achieved.

The utility model discloses a theory of operation: when the device is used, the four bolts 5 are screwed out, the lower limiting piece 3 is not fixed, the position of the lower limiting piece 3 is moved to enable the distance between the lower limiting piece 3 and the upper limiting piece 7 to be matched with the spring 10, then the four bolt holes 4 on the outer side of the lower limiting piece 3 are aligned with the four positioning holes 2 with the nearest equal heights, then each bolt 5 is screwed into the space between the bolt hole 4 and the positioning hole 2 aligned with the bolt hole 4, the lower limiting piece 3 is fixed again, and the operation is finished;

when the upper limiting piece 7 is replaced, the upper limiting piece 7 is screwed off from the piston rod 6, then a brand new upper limiting piece 7 is screwed on the external thread 8 at the end of the piston rod 6 in cooperation with the threaded hole 9, when the lower limiting piece 3 is replaced, the four bolts 5 are screwed out, then the lower limiting piece 3 is taken down from the cylinder body 1, then the brand new lower limiting piece 3 is penetrated on the cylinder body 1, and the four bolts 5 are used for fixing;

the electromagnet 113 generates a magnetic field to adsorb the iron powder mixed in the hydraulic oil after being electrified, the through hole 114 is blocked, the resistance of the piston 11 to move in the hydraulic oil is increased, the current passing through the electromagnet 113 is increased, the magnetic field intensity of the electromagnet 113 can be increased, the electromagnet 113 can adsorb more iron powder, the blocking area caused by the through hole 114 is larger, the resistance of the piston 11 to move in the hydraulic oil is larger, the upper limit part 7 can be driven to move downwards during the vibration of the automobile, the spring 10 is compressed, the bounce of the spring 10 weakens the vibration of the automobile, and the damping effect is achieved.

Claims

1. The utility model provides an adjustable automobile shock absorber ware of soft or hard, includes cylinder body (1), its characterized in that, the surface of cylinder body (1) is the rectangle and sets up four evenly distributed's locating hole (2), the surperficial slip of cylinder body (1) is provided with down spacing spare (3), the side of spacing spare (3) is the rectangle and sets up four bolt holes (4) with four group's locating hole (2) looks adaptations, every all be provided with bolt (5) jointly in bolt hole (4) and between locating hole (2) rather than aliging, the size and locating hole (2) and bolt hole (4) looks adaptation of bolt (5).

2. The automobile shock absorber with the adjustable softness and hardness as recited in claim 1, wherein a piston rod (6) extending to the outside of the cylinder body (1) is arranged inside the cylinder body (1), an upper limiting piece (7) is arranged at the end of the piston rod (6), an external thread (8) is formed at the end of the piston rod (6), and a threaded hole (9) matched with the external thread (8) is formed in the lower surface of the upper limiting piece (7).

3. The automobile shock absorber with adjustable softness and hardness as claimed in claim 2, wherein a gas-liquid piston (12) is slidably disposed inside the cylinder body (1), the gas-liquid piston (12) divides the inside of the cylinder body (1) into a liquid cavity (13) and a gas cavity (14), a piston (11) is mounted at an end of the piston rod (6) located inside the liquid cavity (13), hydraulic oil is disposed inside the liquid cavity (13), and iron powder is suspended in the hydraulic oil.

4. The automobile shock absorber with adjustable softness and hardness as recited in claim 3, characterized in that the piston (11) comprises a main body (111), and an inner cavity (112) is formed inside the main body (111).

5. The automobile shock absorber with adjustable softness and hardness as claimed in claim 4, wherein an electromagnet (113) is installed inside the inner cavity (112), and a plurality of through holes (114) which are uniformly distributed and communicated with the inner cavity (112) are formed in the upper surface and the lower surface of the main body (111).

6. The automobile shock absorber with adjustable softness and hardness as recited in claim 2, characterized in that a lifting lug (15) is mounted at the lower end of the cylinder body (1), and a spring (10) is arranged between the lower limiting piece (3) and the upper limiting piece (7) on the surfaces of the cylinder body (1) and the piston rod (6).