CN216111894U

CN216111894U - Hydraulic shock absorber

Info

Publication number: CN216111894U
Application number: CN202121737606.5U
Authority: CN
Inventors: 王大娃; 杨炎; 王凤仙; 丁良奇
Original assignee: BAIC Motor Co Ltd
Current assignee: BAIC Motor Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-03-22
Anticipated expiration: 2031-07-28

Abstract

The utility model provides a hydraulic shock absorber, which comprises: working cylinder, piston rod, oil storage cylinder, first magnetism ring, second magnetism ring. The oil storage cylinder is arranged on the outer side of the working cylinder, the piston rod is arranged on the inner side of the working cylinder, and the bottom of the oil storage cylinder is sealed; the first magnetic ring is fixed on the piston rod, and the second magnetic ring is fixed between the working cylinder and the oil storage cylinder. According to the hydraulic shock absorber, the first magnetic ring can adsorb metal impurities of oil in the working cylinder, and the second magnetic ring can adsorb metal impurities of oil in the oil storage cylinder, so that the abrasion problem of the hydraulic shock absorber caused by metal impurities in use is reduced, the performance of the hydraulic shock absorber is more stable, the service life of the hydraulic shock absorber is prolonged, and the driving safety is guaranteed.

Description

Hydraulic shock absorber

Technical Field

The utility model relates to the field of shock absorbers, in particular to a hydraulic shock absorber.

Background

Shock absorbers are quite common in daily life, wherein hydraulic shock absorbers are mainly used for vehicles such as automobiles, motorcycles and the like, and play a role in reducing impact and vibration in actual use.

In the prior art, a hydraulic shock absorber generally comprises a working cylinder, a liquid storage cylinder and a piston rod, and when the hydraulic shock absorber is impacted or vibrated, the piston rod reciprocates in the working cylinder to drive the hydraulic oil to flow so as to achieve the shock absorbing effect.

However, in practical application, the movement of the piston rod can cause abrasion to the working cylinder to a certain extent, and after long-time use, a large amount of metal impurities can be generated to cause the abrasion to the working rod to be increased when the follow-up shock absorber works, so that the shock absorber is finally damaged and loses efficacy.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a hydraulic shock absorber, which can overcome the problems in the related art. The technical scheme of the utility model is as follows:

the utility model provides a hydraulic shock absorber which comprises a working cylinder, a piston rod, an oil storage cylinder, a first magnetic ring and a second magnetic ring, wherein the working cylinder is arranged on the piston rod;

the oil storage cylinder is arranged on the outer side of the working cylinder, the piston rod is arranged on the inner side of the working cylinder, and the bottom of the oil storage cylinder is sealed;

the first magnetic ring is fixed on the piston rod, and the second magnetic ring is fixed between the working cylinder and the oil storage cylinder.

Optionally, still include the magnetism bottom:

and a magnetic bottom cover for sealing is arranged at the bottom of the oil storage cylinder.

Optionally, the magnetic bottom cover is detachably connected.

Optionally, the system further comprises a compression valve:

the compression valve is arranged above the magnetic bottom cover.

Optionally, the hole sites are arranged on the ring surface of the first magnetic ring and the second magnetic ring.

Optionally, the hole position is a square hole and/or a round hole.

Optionally, the magnetic spacing ring is further included:

the magnetic limiting ring is arranged on the upper portion of the first magnetic ring and fixed on the piston rod.

Optionally, the guide seat is further included:

the guide seat is arranged at the upper end of the working cylinder, the upper end of the working cylinder is positioned above the first magnetic ring, and the piston rod vertically moves through the guide seat.

Optionally, still include the oil blanket:

the oil seal is arranged at the upper end of the oil storage cylinder.

Optionally, the method further comprises the following steps:

the restoring piston is arranged at the lower end of the piston rod, and the lower end of the piston rod is located below the first magnetic ring.

The technical scheme provided by the utility model at least has the following beneficial effects:

according to the hydraulic shock absorber, the first magnetic ring can adsorb metal impurities of oil in the working cylinder, and the second magnetic ring can adsorb metal impurities of oil in the oil storage cylinder, so that the abrasion problem of the hydraulic shock absorber caused by metal impurities in use is reduced, the performance of the hydraulic shock absorber is more stable, the service life of the hydraulic shock absorber is prolonged, and the driving safety is guaranteed.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is an exploded view of a hydraulic shock absorber according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a hydraulic shock absorber according to an embodiment of the present invention;

FIG. 3 is a schematic view of a first magnetic ring provided in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of a second magnetic ring provided in accordance with an embodiment of the present invention;

fig. 5 is a schematic diagram of a magnetic bottom cover according to an embodiment of the utility model.

Reference numerals:

1: a working cylinder; 2: a piston rod; 3: a reserve tube; 4: a first magnetic ring; 5: a second magnetic ring; 6: a magnetic spacing ring; 7: a magnetic bottom cover; 8: a compression valve; 9: a guide seat; 10: oil sealing; 11: the piston is restored.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is an exploded view of a hydraulic shock absorber according to an embodiment of the present invention.

In the figure, the hydraulic shock absorber includes a working cylinder 1, a piston rod 2, a reserve cylinder 3, a first magnetic ring 4, a second magnetic ring 5, a magnetic limit ring 6, a magnetic bottom cover 7, a compression valve 8, a guide seat 9, an oil seal 10 and a restoring piston 11.

The first magnetic ring 4 is fixed on the piston rod 2, and the second magnetic ring 5 is fixed between the lower part of the working cylinder 1 and the lower part of the oil storage cylinder 3, wherein the second magnetic ring 5 can be fixed on the outer side of the working cylinder 1 or the inner side of the oil storage cylinder 3, and the fixing position can also include other parts in the actual using process, which is not described in detail herein.

The piston rod 2 passes through the oil seal 10 and the guide seat 9, and the bottom of the piston rod 2 is provided with a restoring piston 11. For example, when an impact or a shock is applied, the piston rod 2 moves vertically inside the working cylinder 1 through the guide seat 9 to drive the hydraulic oil to reduce the impact.

During the movement of the piston rod 2, the surface of the working cylinder 1 is abraded, and a part of metal impurities are generated. For example, long-term use can lead to more and more metal impurities, and a large amount of metal impurities can increase the abrasion of the working rod when the shock absorber works, and finally lead to the damage and the failure of the shock absorber. In the implementation of the utility model, the first magnetic ring 4 can adsorb the metal impurities of the oil liquid in the working cylinder 1, and the second magnetic ring 5 can adsorb the metal impurities of the oil liquid in the oil storage cylinder 3, so that the abrasion of the hydraulic shock absorber caused by the metal impurities in use is reduced.

In the implementation of the utility model, the first magnetic ring can adsorb the metal impurities of the oil liquid in the working cylinder, and the second magnetic ring can adsorb the metal impurities of the oil liquid in the oil storage cylinder, so that the abrasion problem of the hydraulic damper caused by the metal impurities in use is reduced, the performance of the hydraulic damper is more stable, the service life of the hydraulic damper is prolonged, and the driving safety is ensured.

Fig. 2 is a schematic combination diagram of a hydraulic shock absorber according to an embodiment of the present invention.

Fig. 2 shows a hydraulic shock absorber diagram which is substantially the same as that described in fig. 1 and will not be explained here.

Fig. 3 is a schematic diagram of a first magnetic ring according to an embodiment of the present invention.

First magnetic ring 4 is fixed in piston rod 2, can adsorb the metallic impurity who adsorbs fluid in the working cylinder 1 in the use, and wherein, the hole site of a certain amount is arranged to the anchor ring, on the one hand, can make hydraulic oil pass through, and on the other hand can increase the absorption to metallic impurity, and wherein, above-mentioned hole site can be the round hole also can be the square hole, and the shape of hole site can also be other in the in-service use process, and the repeated description is not done here.

Through the metal impurities of the oil in the first magnetic ring 4 adsorption working cylinder 1, the abrasion problem caused by the metal impurities in the use process of the hydraulic damper is reduced, the performance of the hydraulic damper is more stable, the service life of the hydraulic damper is prolonged, and the driving safety is guaranteed.

Fig. 4 is a schematic diagram of a second magnetic ring according to an embodiment of the present invention.

Second magnetism ring 5 is fixed in between 1 lower part of working cylinder and the 3 lower parts of oil storage cylinder, can adsorb the metallic impurity who adsorbs oil in the oil storage cylinder 3 in the use, wherein, the hole site of certain quantity is arranged to the anchor ring, on the one hand, can make hydraulic oil pass through, on the other hand can increase the absorption to metallic impurity, wherein, above-mentioned hole site can be the round hole also can be the square hole, the shape of hole site can also be other in the in-service use process, and the unnecessary repeated description is given here.

The second magnetic ring 5 may be fixed outside the working cylinder 1 or inside the reserve cylinder 3, and the fixing position may include other positions in the actual using process, which is not described in detail herein.

Through the metal impurity of the 3 interior fluid of second magnetism ring 5 absorption oil storage cylinder, reduce the wearing and tearing problem that hydraulic shock absorber in use leads to because of metal impurity, make hydraulic shock absorber performance more stable, improve hydraulic shock absorber's life, guarantee driving safety.

The magnetic bottom cover 7 is arranged at the bottom of the oil storage cylinder 3, so that in actual use, not only can the metal impurities of the oil liquid in the oil storage cylinder 3 be adsorbed through the second magnetic ring 5, but also the metal impurities of the oil liquid in the oil storage cylinder 3 can be adsorbed through the magnetic bottom cover 7, the adsorption effect is stronger, and the stability of the hydraulic shock absorber in use is improved.

Adsorb the metallic impurity of 3 interior fluid in the oil storage cylinder through magnetism bottom 7, can increase the adsorption degree to metallic impurity, only have the condition of the metallic impurity of the 3 interior fluid of second magnetism ring 5 adsorption oil storage cylinder before relatively, on it, can make hydraulic shock absorber performance more stable.

While embodiments of the present invention have been described, additional variations and modifications of the embodiments of the present invention will occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including all such alterations and modifications as fall within the true scope of the embodiments of the utility model.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.

The technical solutions provided by the present invention are described in detail above, and the principle and the implementation of the present invention are explained in the present document by applying specific examples, and the above description is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A hydraulic shock absorber, comprising: the device comprises a working cylinder (1), a piston rod (2), an oil storage cylinder (3), a first magnetic ring (4) and a second magnetic ring (5);

the oil storage cylinder (3) is arranged on the outer side of the working cylinder (1), the piston rod (2) is arranged on the inner side of the working cylinder (1), and the bottom of the oil storage cylinder (3) is sealed;

the first magnetic ring (4) is fixed on the piston rod (2), and the second magnetic ring (5) is fixed between the working cylinder (1) and the oil storage cylinder (3).

2. The hydraulic shock absorber of claim 1, further comprising a magnetic bottom cover (7):

the bottom of the oil storage cylinder (3) is provided with a magnetic bottom cover (7) for sealing.

3. The hydraulic shock absorber of claim 2, wherein:

the magnetic bottom cover (7) is detachably connected.

4. The hydraulic shock absorber of claim 2, further comprising a compression valve (8):

the compression valve (8) is arranged above the magnetic bottom cover (7).

5. The hydraulic shock absorber of claim 1, wherein:

hole sites are arranged on the ring surface of the first magnetic ring (4) and the ring surface of the second magnetic ring (5).

6. The hydraulic shock absorber of claim 5, wherein: the hole sites are square and/or round holes.

7. The hydraulic shock absorber of claim 1, further comprising a magnetic stop ring (6):

the magnetic limiting ring (6) is arranged above the first magnetic ring (4), and the magnetic limiting ring (6) is fixed on the piston rod (2).

8. The hydraulic shock absorber of claim 1, further comprising a guide shoe (9):

the guide seat (9) is arranged at the upper end of the working cylinder (1), the upper end of the working cylinder (1) is positioned above the first magnetic ring (4), and the piston rod (2) vertically moves through the guide seat (9).

9. The hydraulic shock absorber of claim 1, further comprising an oil seal (10):

the oil seal (10) is arranged at the upper end of the oil storage cylinder (3).

10. The hydraulic shock absorber of claim 1, further comprising a restoring piston (11):

the restoring piston (11) is arranged at the lower end of the piston rod (2), and the lower end of the piston rod (2) is located below the first magnetic ring (4).