CN211175171U - Throttling damping adjustable shock absorber - Google Patents
Throttling damping adjustable shock absorber Download PDFInfo
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- CN211175171U CN211175171U CN201922016663.3U CN201922016663U CN211175171U CN 211175171 U CN211175171 U CN 211175171U CN 201922016663 U CN201922016663 U CN 201922016663U CN 211175171 U CN211175171 U CN 211175171U
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- cylinder assembly
- shock absorber
- piston rod
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Abstract
The utility model provides a throttling damping adjustable shock absorber, which comprises an oil storage cylinder assembly with openings at two ends, a working cylinder assembly arranged inside the oil storage cylinder assembly, a controllable flow passage assembly arranged outside the working cylinder assembly and a piston rod; the part of the piston rod is arranged in the working cylinder assembly in a matching way through an oil seal guide assembly, one end of the piston rod is connected with a recovery valve assembly, and the other end of the piston rod is connected with a nut; the tail end of the working cylinder assembly is provided with a compression valve assembly which is movably matched with the recovery valve assembly; the adjustable shock absorber with the throttling damping further comprises a pilot overflow valve assembly, the pilot overflow valve assembly penetrates through the oil storage cylinder assembly and is communicated with the controllable flow channel assembly, and compared with a common double-cylinder shock absorber, the adjustable shock absorber with the throttling damping is additionally provided with the controllable flow channel assembly in the recovery stroke and the compression stroke, so that the damping is adjusted.
Description
Technical Field
The utility model relates to a shock absorber technical field, concretely relates to adjustable shock absorber of throttle damping.
Background
A throttling damping continuously variable shock absorber (CDC shock absorber) is a novel shock absorber which can realize continuously variable damping and is applied to a semi-active suspension. In the running process of the automobile on different roads, the suspension control unit ECU can control the damping force of the CDC shock absorber through different currents according to the road bumping condition, so that the running smoothness and the operation stability of the automobile under different road conditions are ensured; however, such a throttling damping continuously variable shock absorber is directly connected to each other in a recovery stroke and a compression stroke, and cannot realize damping adjustment.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the throttling damping adjustable shock absorber is provided, and the problem that the damping force of a CDC shock absorber can be controlled by different currents according to the road bumping condition by a suspension control unit ECU (electronic control Unit) in the driving process of the existing automobile on different roads is solved, so that the driving smoothness and the operating stability of the automobile under different road conditions are ensured; the throttling damping continuously variable shock absorber is directly connected with each other in a recovery stroke and a compression stroke, and the damping can not be adjusted.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a throttling damping adjustable shock absorber, which comprises an oil storage cylinder assembly with openings at two ends, a working cylinder assembly arranged inside the oil storage cylinder assembly, a controllable flow passage assembly arranged outside the working cylinder assembly and a piston rod; the part of the piston rod is arranged in the working cylinder assembly in a matching way through an oil seal guide assembly, one end of the piston rod is connected with a recovery valve assembly, and the other end of the piston rod is connected with a nut; the tail end of the working cylinder assembly is provided with a compression valve assembly which is movably matched with the recovery valve assembly; the pilot overflow valve assembly penetrates through the oil storage cylinder assembly and is communicated with the controllable flow channel assembly.
By adopting the technical scheme, a controllable circulation channel is added, so that the damping can be adjusted in the recovery stroke and the compression stroke.
Preferably, a group of sealing rings is arranged at the matching part of the controllable flow channel assembly and the working cylinder assembly.
By adopting the technical scheme, the sealing rings are additionally arranged, so that lubricating oil of the controllable flow passage assembly can be effectively prevented from leaking to the outside.
Preferably, the hydraulic cylinder further comprises a restoring buffer block, and the restoring buffer block is sleeved on a piston rod in the working cylinder assembly.
Adopt above-mentioned technical scheme, increase one and restore the buffer block, can be at the in-process that restores, directly contact with oil blanket direction assembly through restoring the buffer block, rationally and effectual the valve assembly that restores of having protected has improved the life of valve assembly that restores.
Preferably, the oil seal guide assembly comprises a guide block and an oil seal piece, the guide block is matched with the oil seal piece and sleeved on the piston rod, and the piston rod is arranged at an opening of the oil storage cylinder assembly in a matched mode through the guide block.
By adopting the technical scheme, the piston rod can work in the working cylinder assembly indiscriminately according to the design through the guide block, so that the integral precision is greatly improved, meanwhile, the use of the piston rod is effectively protected, and the service life of the piston rod is prolonged; however, the oil seal is used to prevent the lubricating oil of the cylinder assembly from leaking to the outside.
Preferably, a piston rod dustproof cover is arranged at the position where the opening of the oil storage cylinder assembly is matched with the piston rod.
By adopting the technical scheme, the piston rod dustproof cover is additionally arranged, so that the interior of an external dust or dust oil storage cylinder assembly, which is mainly the interior of a working cylinder assembly, is effectively avoided.
Preferably, a pipeline for installing a pilot overflow valve assembly is arranged on the oil storage cylinder assembly, and a pilot overflow valve dust cover is arranged at the matching position of the pilot overflow valve assembly and the pipeline.
Preferably, the device also comprises a magnetic component; the magnetic component is arranged around the outside of the controllable flow passage assembly.
Preferably, the magnetic component is a magnet.
Preferably, the oil storage tank assembly further comprises a connecting fixed block, and the connecting fixed block is arranged at the tail part of the oil storage tank assembly and surrounds the oil storage tank assembly.
Compared with a common double-cylinder shock absorber, the shock absorber with adjustable throttling damping is additionally provided with a controllable flow channel assembly in the recovery stroke and the compression stroke, so that the damping is adjusted, and the working principle is as follows:
(1) a recovery stroke:
the piston rod moves upwards relative to the working cylinder assembly, the volume of the upper cavity is reduced, and the oil pressure of the upper cavity and the oil pressure of the middle cylinder are increased. Oil
(2) Compression stroke:
the piston rod moves downwards relative to the working cylinder assembly, the volume of the lower cavity is reduced, and the oil pressure of the lower cavity is increased.
Drawings
FIG. 1 is a front view of a damper with adjustable throttle damping according to the present invention;
fig. 2 is a bottom view of a placing plate in the throttling damping adjustable shock absorber of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, the utility model provides a throttling damping adjustable shock absorber, which comprises an oil storage cylinder assembly 6 with two open ends, a working cylinder assembly 7 arranged inside the oil storage cylinder assembly 6, a controllable flow passage assembly 13 arranged outside the working cylinder assembly 7, and a piston rod 2; the structure of the piston rod 2 is that a section with a large diameter and a section with a small diameter are integrally formed, and the section with the large diameter enters the working cylinder assembly 7 to do reciprocating motion up and down; the part of the piston rod 2 is arranged in the working cylinder assembly 7 in a matching way through the oil seal guide assembly 4, one end of the piston rod 2 is connected with the recovery valve assembly 8, and the other end of the piston rod is connected with the nut 1; the tail end of the working cylinder assembly 7 is provided with a compression valve assembly 9 which is movably matched with the recovery valve assembly 8; the pilot overflow valve assembly 10 penetrates through the oil storage cylinder assembly 6 and is communicated with the controllable flow channel assembly 13; by adopting the technical scheme, the controllable flow channel 13 is additionally arranged, so that the damping can be adjusted in the recovery stroke and the compression stroke.
As shown in fig. 1-2, the utility model provides a throttling damping adjustable shock absorber, a group of sealing rings 131 is arranged at the matching position of the controllable flow passage channel assembly 13 and the working cylinder assembly 7; by adopting the technical scheme, the lubricating oil leakage of the controllable flow passage assembly 13 to the outside can be effectively prevented by additionally arranging the group of sealing rings 131, wherein the controllable flow passage assembly 13 is sleeved outside the working cylinder assembly 7, one end of the controllable flow passage assembly 13 is positioned at the middle upper part of the working cylinder assembly 7, the other end of the controllable flow passage assembly 13 is positioned at the tail part of the working cylinder assembly 7 and basically penetrates through the inner part of the oil storage cylinder assembly 6
As shown in fig. 1-2, the utility model provides a throttling damping adjustable shock absorber, which further comprises a rebound buffer block 5, wherein the rebound buffer block 5 is sleeved on a piston rod 2 in a working cylinder assembly 7; by adopting the technical scheme, the restoring buffer block 5 is additionally arranged, so that the restoring buffer block 5 can be directly contacted with the oil seal guide assembly 4 in the restoring process, the restoring valve assembly 8 is reasonably and effectively protected, and the service life of the restoring valve assembly 8 is prolonged; wherein, the stroke between the reset buffer block 5 and the reset valve assembly 8 is obtained by calculation.
As shown in fig. 1-2, the utility model provides an adjustable shock absorber of throttle damping, the oil blanket guide assembly 4 includes guide block 41 and oil seal 42, the guide block 41 cooperates with the oil seal 42 to cup joint and set up on the piston rod 2, the piston rod 2 cooperates through the guide block 41 to set up at the opening part of oil storage cylinder assembly 6; by adopting the technical scheme, the piston rod 2 can work in the working cylinder assembly 7 indiscriminately according to the design through the guide block 41, so that the integral precision is greatly improved, meanwhile, the use of the piston rod 2 is effectively protected, and the service life of the piston rod is prolonged; however, the oil seal 42 is used to prevent the lubricating oil of the cylinder assembly 7 from leaking to the outside.
As shown in fig. 1-2, the utility model provides a throttling damping adjustable shock absorber, a piston rod dust cover 3 is arranged at the matching position of the opening of the oil storage cylinder assembly 6 and the piston rod 2; by adopting the technical scheme, the piston rod dust cover 3 is additionally arranged, so that the interior of an external dust or dust oil storage cylinder assembly 6, mainly the interior of a working cylinder assembly 7, is effectively prevented.
As shown in fig. 1-2, the utility model provides a throttling damping adjustable shock absorber, a pipeline 61 for installing a pilot overflow valve assembly 10 is arranged on the oil storage cylinder assembly 6, and a pilot overflow valve dust cover 11 is arranged at the matching position of the pilot overflow valve assembly 10 and the pipeline 61; by adopting the technical scheme, the pilot overflow valve dust cover 11 is additionally arranged, so that the interior of an external dust or dust oil storage cylinder assembly 6, mainly the interior of a controllable flow channel assembly 13, is effectively stopped.
As shown in fig. 1-2, the present invention provides a throttling damping adjustable shock absorber, which further comprises a magnetic assembly 12; the magnetic component 12 is arranged around the outside of the controllable flow channel assembly 13; the above [1 ];
as shown in fig. 1-2, the utility model provides a throttling damping adjustable shock absorber, still include and connect fixed block 14, connect fixed block 14 and set up at the afterbody of oil storage cylinder assembly 6 and enclose it.
Compared with a common double-cylinder shock absorber, the shock absorber with adjustable throttling damping is additionally provided with a controllable flow channel assembly in the recovery stroke and the compression stroke, so that the damping is adjusted, and the working principle is as follows:
(1) a recovery stroke:
the piston rod moves upwards relative to the working cylinder assembly, the volume of the upper cavity is reduced, and the oil pressure of the upper cavity and the oil pressure of the middle cylinder are increased. Oil
(2) Compression stroke:
the piston rod moves downwards relative to the working cylinder assembly, the volume of the lower cavity is reduced, and the oil pressure of the lower cavity is increased.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (9)
1. A throttling damping adjustable shock absorber comprises an oil storage cylinder assembly (6) with openings at two ends, a working cylinder assembly (7) arranged in the oil storage cylinder assembly (6), a controllable flow passage channel assembly (13) arranged outside the working cylinder assembly (7) and a piston rod (2); the part of the piston rod (2) is arranged in the working cylinder assembly (7) in a matching way through an oil seal guide assembly (4), one end of the piston rod (2) is connected with a recovery valve assembly (8), and the other end of the piston rod is connected with a nut (1); a compression valve assembly (9) which is movably matched with the recovery valve assembly (8) is arranged at the tail end of the working cylinder assembly (7); the method is characterized in that: the pilot overflow valve assembly (10) penetrates through the oil storage cylinder assembly (6) and is communicated with the controllable flow channel assembly (13).
2. A throttle damping adjustable shock absorber according to claim 1, wherein: and a group of sealing rings (131) are arranged at the matching part of the controllable flow channel assembly (13) and the working cylinder assembly (7).
3. A throttle damping adjustable shock absorber according to claim 2, wherein: still including recovering buffer block (5), restore buffer block (5) cover and establish on piston rod (2) in working cylinder assembly (7).
4. A throttle damping adjustable shock absorber according to claim 3, wherein: the oil seal guide assembly (4) comprises a guide block (41) and an oil seal piece (42), the guide block (41) is matched with the oil seal piece (42) to be sleeved on the piston rod (2), and the piston rod (2) is arranged at an opening of the oil storage cylinder assembly (6) in a matched mode through the guide block (41).
5. A throttle damping adjustable shock absorber according to claim 4, wherein: and a piston rod dust cover (3) is arranged at the position where the opening of the oil storage cylinder assembly (6) is matched with the piston rod (2).
6. A throttle damping adjustable shock absorber according to claim 1, wherein: the oil storage cylinder assembly (6) is provided with a pipeline (61) for installing a pilot overflow valve assembly (10), and a pilot overflow valve dust cover (11) is arranged at the matching position of the pilot overflow valve assembly (10) and the pipeline (61).
7. A throttle damping adjustable shock absorber according to claim 6, wherein: further comprising a magnetic assembly (12); the magnetic component (12) is arranged around the outside of the controllable flow channel assembly (13).
8. A throttle damping adjustable shock absorber according to claim 7, wherein: the magnetic component (12) is a magnet.
9. A throttle damping adjustable shock absorber according to claim 1, wherein: the oil storage cylinder assembly further comprises a connecting fixed block (14), and the connecting fixed block (14) is arranged at the tail of the oil storage cylinder assembly (6) and surrounds the oil storage cylinder assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016663.3U CN211175171U (en) | 2019-11-21 | 2019-11-21 | Throttling damping adjustable shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016663.3U CN211175171U (en) | 2019-11-21 | 2019-11-21 | Throttling damping adjustable shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211175171U true CN211175171U (en) | 2020-08-04 |
Family
ID=71799476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922016663.3U Active CN211175171U (en) | 2019-11-21 | 2019-11-21 | Throttling damping adjustable shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211175171U (en) |
-
2019
- 2019-11-21 CN CN201922016663.3U patent/CN211175171U/en active Active
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