CN212690670U

CN212690670U - Hydraulic shock absorber for vehicle

Info

Publication number: CN212690670U
Application number: CN202021457549.0U
Authority: CN
Inventors: 陈辉; 于鑫
Original assignee: Lanzhou University of Technology
Current assignee: Lanzhou University of Technology
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-03-12
Anticipated expiration: 2030-07-22

Abstract

The utility model belongs to the technical field of auto parts, in particular to a hydraulic shock absorber for vehicles, which comprises a sleeve shell and a fixed shell, wherein a movable rod is fixedly connected on the fixed shell, a first damping spring is sleeved on the movable rod, the bottom end of the first damping spring is connected with the fixed shell, the top end of the fixed shell is connected with the sleeve shell, a cavity is arranged inside the sleeve shell, the top end of the movable rod is movably connected with the inside of the cavity, the top end of the movable rod is connected with a movable block, the two sides of the movable block are symmetrically and rigidly connected with a sliding block, a piston is sleeved on the movable block, a cavity, a sliding rod, a sliding block, a limiting spring, a limiting block, a buffer sponge block, a movable block, a piston and a sealing rubber ring are arranged inside the sleeve shell, when the first damping spring performs damping, a second damping spring plays an auxiliary role, the damping effect is better, and meanwhile, the structure is simple, the process requirement is reduced, and the production is convenient.

Description

Hydraulic shock absorber for vehicle

Technical Field

The utility model belongs to the technical field of auto-parts, concretely relates to fluid pressure type bumper shock absorber for vehicle.

Background

The bumper shock absorber mainly is used in the car for the shock is absorbed and is shaken and come from the impact on road surface, when the road surface is uneven, can the active absorption vibrations, guarantees the inside stability of vehicle, and prior art's bumper shock absorber, the structure is complicated, and is high to the technological requirement, and prior art's bumper shock absorber all is the shock attenuation mode that adopts single thread, can not divide the level shock attenuation step by step, and the shock attenuation effect is not good enough, and application pressure scope is little.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a fluid pressure type bumper shock absorber for vehicle has simple structure, and the shock attenuation is effectual, application scope big characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fluid pressure type bumper shock absorber for vehicle, is including cup jointing shell and fixed shell, fixedly connected with movable rod on the fixed shell, first damping spring has been cup jointed on the movable rod, first damping spring's bottom links to each other with fixed shell, the top of fixed shell with cup joint the shell and link to each other, cup joint the inside of shell and seted up the cavity, the inside swing joint of cavity again on the top of movable rod, the top of movable rod is connected with the movable block, the bilateral symmetry rigid connection of movable block has the sliding block, the piston has been cup jointed on the movable block, the size and the cavity of piston are the same.

As the utility model discloses a preferred technical scheme of fluid pressure type bumper shock absorber for vehicle, cup joint two slide bars, two of the interior wall internal symmetric connection of shell the sliding block cup joints respectively on the slide bar that corresponds the limit.

As the utility model discloses a preferred technical scheme of fluid pressure type bumper shock absorber for vehicle, the top of movable block is connected with the buffering sponge piece.

As the utility model discloses a preferred technical scheme of fluid pressure type bumper shock absorber for vehicle, the junction of movable rod and cavity is provided with the rubber sealing ring.

As the utility model discloses a preferred technical scheme of fluid pressure type bumper shock absorber for vehicle, two the sliding block is parallel with the piston, and forms the dry style of calligraphy structure with the movable block.

As the utility model discloses a preferred technical scheme of fluid pressure type bumper shock absorber for vehicle, the bottom of slide bar all is connected with the stopper, spacing spring has been cup jointed on the slide bar, the top of spacing spring links to each other with the bottom of sliding block, the bottom of spacing spring links to each other with the top of stopper.

Compared with the prior art, the beneficial effects of the utility model are that: at internally mounted cavity, slide bar, sliding block, spacing spring, stopper, buffering sponge piece, movable block, piston, the sealing rubber ring that cup joints the shell, when first damping spring carries out the absorbing, second damping spring plays the additional action, makes the shock attenuation effect more, simultaneously, simple structure reduces the technological requirement, convenient production.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural view of the fixing housing of the present invention;

in the figure: 1. sleeving the shell; 2. a movable rod; 3. a first damping spring; 4. fixing the housing; 5. a cavity; 6. a slide bar; 7. a slider; 8. a limiting spring; 9. a limiting block; 10. a buffer sponge block; 11. a movable block; 12. a piston; 13. and sealing the rubber ring.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a fluid pressure type bumper shock absorber for vehicle, including cup jointing shell 1 and fixed shell 4, fixedly connected with movable rod 2 on the fixed shell 4, first damping spring 3 has been cup jointed on the movable rod 2, the bottom of first damping spring 3 links to each other with fixed shell 4, the top of fixed shell 4 with cup joint shell 1 and link to each other, the cavity 5 has been seted up to the inside of cup jointing shell 1, the inside swing joint of cavity 5 is again on the top of movable rod 2, the top of movable rod 2 is connected with movable block 11, the bilateral symmetry rigid connection of movable block 11 has sliding block 7, piston 12 has been cup jointed on the movable block 11, the size of piston 12 is the same with cavity 5.

In this embodiment, the housing 1 and the fixed housing 4 are mounted on the vehicle, when the vehicle is vibrated, the movable rod 2 moves inside the housing 1, the first damping spring 3 contracts and provides a repulsive force to the housing 1, and the movable block 11 moves inward to slide the piston 12 in the cavity 5, so as to increase the friction force

Specifically, two sliding rods 6 are symmetrically connected to the inner wall of the sleeve-joint shell 1, and two sliding blocks 7 are respectively sleeved on the sliding rods 6 on the corresponding sides.

In this embodiment, the sliding block 7 is sleeved on the sliding rod 6 on the corresponding side to limit the position of the movable block 11, so as to prevent the movable block 11 from deflecting and facilitate the limiting of the limiting spring 8.

Specifically, the top end of the movable block 11 is connected with a buffer sponge block 10.

In this embodiment, the top end of the movable block 11 is connected with a buffering sponge block 10 to absorb the force generated by the impact of the top end of the movable block 11 on the inside of the cavity 5.

Specifically, a sealing rubber ring 13 is arranged at the joint of the movable rod 2 and the cavity 5.

In this embodiment, the sealing rubber ring 13 blocks a gap between the movable rod 2 and the cavity 5, so as to ensure an airtight structure in the cavity 5.

Specifically, the two sliding blocks 7 are parallel to the piston 12 and form a dry-letter structure with the movable block 11.

In this embodiment, sliding block 7 is parallel with piston 12, makes piston 12 and cavity 5 perpendicular setting, when increasing frictional force, can guarantee the pressure stability in the cavity 5.

Specifically, the bottom of slide bar 6 all is connected with stopper 9, has cup jointed spacing spring 8 on slide bar 6, and spacing spring 8's top links to each other with the bottom of sliding block 7, and spacing spring 8's bottom links to each other with stopper 9's top.

In this embodiment, slide bar 6's bottom all is connected with stopper 9, and stopper 9 prescribes a limit to the position of sliding block 7, makes things convenient for spacing spring 8's installation simultaneously, and when movable block 11 moved to cavity 5, sliding block 7 slided along slide bar 6 upwards, and spacing spring 8 relaxes this moment to give 7 pulling forces of sliding block, sliding block 7 resets, and the impact force that pulling force and vibrations produced offsets each other simultaneously.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, will cup joint shell 1 and fixed shell 4 and install on the vehicle, when the vehicle received vibrations, movable rod 2 is to cup jointing shell 1's inside activity, simultaneously first damping spring 3 shrink, and offer and cup joint shell 1 repulsion, the inside motion of movable block 11 simultaneously, make piston 12 slide in cavity 5, increase frictional force, when movable block 11 moves to cavity 5, sliding block 7 upwards slides along slide bar 6, stop spring 8 diastole this moment, and give 7 pulling forces of sliding block, sliding block 7 resets, the impact force that pulling force and vibrations produced offsets each other simultaneously, it is better to make the shock attenuation effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic shock absorber for vehicle, is including cup jointing shell (1) and fixed shell (4), its characterized in that: fixedly connected with movable rod (2) on fixed shell (4), first damping spring (3) have been cup jointed on movable rod (2), the bottom of first damping spring (3) links to each other with fixed shell (4), the top of fixed shell (4) with cup joint shell (1) and link to each other, cavity (5) have been seted up to the inside of cup jointing shell (1), the inside swing joint of cavity (5) is again gone up on the top of movable rod (2), the top of movable rod (2) is connected with movable block (11), the bilateral symmetry rigid connection of movable block (11) has sliding block (7), piston (12) have been cup jointed on movable block (11), the size and the cavity (5) of piston (12) are the same.

2. The hydraulic shock absorber for a vehicle according to claim 1, wherein: the inner wall of the sleeve joint shell (1) is internally and symmetrically connected with two sliding rods (6), and the two sliding blocks (7) are respectively sleeved on the sliding rods (6) on the corresponding edges.

3. The hydraulic shock absorber for a vehicle according to claim 1, wherein: the top end of the movable block (11) is connected with a buffer sponge block (10).

4. The hydraulic shock absorber for a vehicle according to claim 1, wherein: and a sealing rubber ring (13) is arranged at the joint of the movable rod (2) and the cavity (5).

5. The hydraulic shock absorber for a vehicle according to claim 1, wherein: the two sliding blocks (7) are parallel to the piston (12) and form a dry-shaped structure with the movable block (11).

6. The hydraulic shock absorber for a vehicle according to claim 2, wherein: the bottom of slide bar (6) all is connected with stopper (9), spacing spring (8) have been cup jointed on slide bar (6), the top of spacing spring (8) links to each other with the bottom of sliding block (7), the bottom of spacing spring (8) links to each other with the top of stopper (9).