CN213870900U

CN213870900U - Novel shock absorber with recovery valve structure

Info

Publication number: CN213870900U
Application number: CN202022666779.4U
Authority: CN
Inventors: 胡泽锋
Original assignee: NINGBO KAIRUI AUTOMOBILE PARTS CO Ltd
Current assignee: NINGBO KAIRUI AUTOMOBILE PARTS CO Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-03
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a novel bumper shock absorber of valve structure recovers, through improving new valve structure recovers, can do the folk damping force big to satisfy the demand that low-speed to high-speed damping force increases progressively little and stable, the length of the piston valve barrel in the valve structure recovers simultaneously can be changed according to the demand, through changing the length of the piston valve barrel, change the distance between lock nut and the valve nut recovers, thereby change the compression state of spring, thereby change the pre-pressure value, can make the damping force easy stable control; the bottom of the structure adopts the locking nut, so that the riveting and blundermilling procedures are reduced, the installation and the operation are convenient, and the processing cost is reduced.

Description

Novel shock absorber with recovery valve structure

Technical Field

The utility model relates to a bumper shock absorber field especially relates to a novel shock absorber of valve structure recovers.

Background

The impact from the road surface is suppressed by the damping force generated by the shock absorber during the running of the vehicle, and the running smoothness of the vehicle during the running can be improved. The existing shock absorber cannot meet the requirements of small and stable increment of low-speed to high-speed damping force, and the damping force of the existing shock absorber is difficult to control stably.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a realize the purpose of stable control bumper shock absorber damping force, provide a novel bumper shock absorber of recovering valve structure.

In order to solve the above problems, the utility model adopts the following technical proposal:

a shock absorber with a novel recovery valve structure comprises a working cylinder, wherein a piston rod is arranged in the working cylinder, a liquid storage cylinder is sleeved outside the working cylinder, an oil seal guider is arranged at the upper end of the working cylinder, a compression valve is arranged at the lower end of the working cylinder, the upper end of the piston rod penetrates out of the oil seal guider, the end part of the piston rod is connected with a first lifting ring, the lower end of the piston rod is a piston rod valve system end, and a recovery valve structure is arranged at the piston rod valve system end;

the rebound valve structure comprises a limiting plate, a disc, a compensating valve plate, an encapsulated piston, a first rebound valve plate, a rebound valve nut, a piston valve sleeve and a locking nut which are sequentially sleeved at the end of a piston rod valve system, wherein the outer side of the rebound valve nut is sleeved with the rebound valve, an O-shaped ring is arranged between the rebound valve and the rebound valve nut, a second rebound valve plate is arranged between the rebound valve and the encapsulated piston, the outer side of the piston valve sleeve is sleeved with a spring, and two ends of the spring are respectively abutted to the rebound valve and the locking nut.

Furthermore, a dustproof cover is arranged on the outer side of the liquid storage barrel, a clamping groove is formed in the top end of the dustproof cover, and a gasket is arranged at the clamping groove.

Furthermore, the center of the gasket is fixedly connected with the piston rod.

Furthermore, the lower end of the compression valve is connected with a second hanging ring, and rubber bushings are arranged in the first hanging ring and the second hanging ring.

Furthermore, the limiting plate is provided with a limiting groove matched with the piston rod.

Further, the length of the piston valve sleeve can be changed according to requirements.

Furthermore, lock nut one end is provided with the ka tai, ka tai and spring butt.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model can increase the damping force from low speed to high speed by improving the new restoring valve structure, thereby satisfying the demand of small and stable increase of the damping force from low speed to high speed, and simultaneously, the structure can ensure that the damping force can achieve the purpose of easy stable control, and greatly reduce the problem that the piston rod falls off due to the larger structure of the shock absorber; the bottom of the structure adopts the locking nut, so that the riveting and blundermilling procedures are reduced, the installation and the operation are convenient, and the processing cost is reduced.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a cross-sectional view of a valve structure of the present invention;

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

FIG. 4 is a schematic structural diagram of the compensating valve plate of the present invention;

fig. 5 is a schematic structural view of the encapsulated piston of the present invention;

figure 6 is a cross-sectional view of a encapsulated piston of the present invention.

In the figure: 1-working cylinder, 2-piston rod, 3-liquid storage cylinder, 4-oil seal guider, 5-compression valve, 6-first lifting ring, 7-restoring valve structure, 8-limiting plate, 9-disc, 10-compensation valve plate, 11-rubber-coated piston, 12-first restoring valve plate, 13-restoring valve nut, 14-piston valve sleeve, 15-locking nut, 16-restoring valve, 17-O-shaped ring, 18-second restoring valve plate, 19-spring, 20-dust cover, 21-clamping groove, 22-gasket, 23-second lifting ring, 24-rubber bushing and 25-limiting groove.

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, 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-6, the shock absorber with the novel rebound valve structure 7 according to the present invention includes a working cylinder 1, a piston rod 2 is disposed in the working cylinder 1, a liquid storage barrel 3 is sleeved outside the working cylinder 1, an oil seal guider 4 is disposed at an upper end of the working cylinder 1, a compression valve 5 is disposed at a lower end of the working cylinder 1, the upper end of the piston rod 2 penetrates out of the oil seal guider 4 and is connected with a first hanging ring 6 at an end portion, the lower end of the piston rod 2 is a valve system end of the piston rod 2, and the valve system end of the piston rod 2 is provided with the rebound valve structure 7; 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, and the shock absorption oil in the upper cavity enters the lower cavity through the recovery valve; meanwhile, a part of the shock absorption oil enters the lower cavity from the liquid storage cylinder through the compression valve 5. The damping function of the shock absorber when the shock absorber generates stretching motion is realized by the throttling function of the two valves on the shock absorption oil;

the rebound valve structure 7 comprises a limiting plate 8, a disc 9, a compensating valve plate 10, an encapsulated piston 11, a first rebound valve plate 12, a rebound valve nut 13, a piston valve sleeve 14 and a locking nut 15 which are sequentially sleeved at a valve system end of the piston rod 2, wherein a rebound valve 16 is sleeved outside the rebound valve nut 13, an O-shaped ring 17 is arranged between the rebound valve 16 and the rebound valve nut 13, a second rebound valve plate 18 is arranged between the rebound valve 16 and the encapsulated piston 11, a spring 19 is sleeved outside the piston valve sleeve 14, and two ends of the spring 19 are respectively abutted against the rebound valve 16 and the locking nut 15.

Further, a dust cover 20 is arranged outside the liquid storage barrel 3, a clamping groove 21 is formed in the top end of the dust cover 20, a gasket 22 is arranged at the clamping groove 21, the center of the gasket 22 is fixedly connected with the piston rod 2, and when the piston rod 2 moves, the dust cover 20 is started along with the piston rod 2 through the gasket 22.

Further, the lower end of the compression valve 5 is connected with a second hanging ring 23, and rubber bushings 24 are arranged in the first hanging ring 6 and the second hanging ring 23.

Furthermore, the limiting plate 8 is provided with a limiting groove 25 matched with the piston rod 2, so that the positions of the restoring valve structure 7 and the piston rod 2 are conveniently limited.

Furthermore, the length of the piston valve sleeve 14 can be changed as required, the distance between the lock nut 15 and the reset valve nut 13 is changed by changing the length of the piston valve sleeve 14, so that the compression state of the spring 19 is changed, the pre-pressure value of the spring 19 is changed by changing the compression state of the spring 19, the pre-pressure values are different, the damping oil has different damping forces through the reset valve, and a certain control effect is exerted on the damping forces.

Further, a clamping table is arranged at one end of the locking nut 15 and is abutted against the spring 19.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides a novel bumper shock absorber of valve structure restores which characterized in that: the oil seal type hydraulic cylinder comprises a working cylinder (1), wherein a piston rod (2) is arranged in the working cylinder (1), a liquid storage barrel (3) is sleeved on the outer side of the working cylinder (1), an oil seal guider (4) is arranged at the upper end of the working cylinder (1), a compression valve (5) is arranged at the lower end of the working cylinder, the upper end of the piston rod (2) penetrates through the oil seal guider (4), the end part of the piston rod is connected with a first lifting ring (6), the lower end of the piston rod (2) is a valve system end of the piston rod (2), and a recovery valve structure (7) is arranged at the valve system end of the piston rod (2);

the rebound valve structure (7) comprises a limiting plate (8), a disc (9), a compensating valve plate (10), a rubber-coated piston (11), a first rebound valve plate (12), a rebound valve nut (13), a piston valve sleeve (14) and a locking nut (15) which are sequentially sleeved at a valve system end of a piston rod (2), the outer side of the rebound valve nut (13) is sleeved with a rebound valve (16), an O-shaped ring (17) is arranged between the rebound valve (16) and the rebound valve nut (13), a second rebound valve plate (18) is arranged between the rebound valve (16) and the rubber-coated piston (11), a spring (19) is sleeved at the outer side of the piston valve sleeve (14), and two ends of the spring (19) are respectively abutted against the rebound valve (16) and the locking nut (15).

2. The shock absorber with the novel rebound valve structure as set forth in claim 1, wherein a dust cover (20) is disposed outside the liquid storage barrel (3), a clamping groove (21) is disposed at a top end of the dust cover (20), and a gasket (22) is disposed at the clamping groove (21).

3. The shock absorber with the novel rebound valve structure as set forth in claim 2, wherein the center of the gasket (22) is fixedly connected with the piston rod (2).

4. The shock absorber with the novel recovery valve structure as claimed in claim 1, wherein a second hanging ring (23) is connected to the lower end of the compression valve (5), and rubber bushings (24) are arranged in the first hanging ring (6) and the second hanging ring (23).

5. The shock absorber with the novel rebound valve structure as set forth in claim 1, wherein the limit plate (8) is provided with a limit groove (25) adapted to the piston rod (2).

6. A shock absorber with novel rebound valve structure as set forth in claim 1 wherein said piston valve sleeve (14) is replaceable in length as required.

7. The shock absorber with the novel reset valve structure as claimed in claim 1, wherein one end of the lock nut (15) is provided with a clamping table, and the clamping table is abutted with the spring (19).