CN220378778U - In-line multifunctional double-cylinder nitrogen damper - Google Patents
In-line multifunctional double-cylinder nitrogen damper Download PDFInfo
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- CN220378778U CN220378778U CN202322018900.6U CN202322018900U CN220378778U CN 220378778 U CN220378778 U CN 220378778U CN 202322018900 U CN202322018900 U CN 202322018900U CN 220378778 U CN220378778 U CN 220378778U
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 59
- 230000006835 compression Effects 0.000 claims abstract description 52
- 238000007906 compression Methods 0.000 claims abstract description 52
- 230000001105 regulatory effect Effects 0.000 claims abstract description 40
- 239000006096 absorbing agent Substances 0.000 claims abstract description 25
- 230000035939 shock Effects 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses an in-line multifunctional double-cylinder nitrogen shock absorber, which comprises a rubber bushing, an upper connecting seat, a compression adjusting valve system, a restoration adjusting valve system, an outer cylinder, an inner cylinder, a large and a small double-nitrogen air cylinders, a piston valve system, a limiting gasket, a sealing assembly and a piston rod, wherein the upper connecting seat is arranged on the rubber bushing; the inner cylinder is arranged in the outer cylinder, a cavity is formed between the inner cylinder and the outer cylinder, the inner cylinder is provided with an oil hole which is communicated with the cavity, a first oil way is arranged between the compression regulating valve system and the inner cylinder for communication, a second oil way is arranged between the compression regulating valve system and the large nitrogen cylinder for communication, a third oil way is arranged between the restoration regulating valve system and the cavity for communication, and a fourth oil way is arranged between the restoration regulating valve system and the small nitrogen cylinder for communication. According to the utility model, the double control valves are used for adjusting the oil way flow, the double nitrogen cylinders respectively compensate the compression and restoration processes of the shock absorber, so that the independent adjustment of compression and restoration damping force is realized, the larger damping bandwidth is realized, and the multi-working-condition use requirements of different users are met.
Description
Technical Field
The utility model relates to the technical field of vibration absorbers, in particular to an in-line multifunctional double-cylinder nitrogen vibration absorber.
Background
The shock absorber is generally installed on an automobile, and is used for accelerating the damping of the vibration of a frame and an automobile body so as to improve the running smoothness of the automobile, and is used for inhibiting the impact of the road surface when the automobile passes over an uneven road surface so as to achieve the aim of improving the running performance of the automobile.
The existing shock absorber structure mainly takes the traditional damping force non-adjustable structure as a main part, and even if the shock absorber is a shock absorber with adjustable damping force (electric control or manual adjustment), independent adjustment of compression and restoration damping force cannot be realized.
Disclosure of Invention
The utility model aims to provide an in-line type multifunctional double-cylinder nitrogen damper aiming at the defects and shortcomings of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an in-line multifunctional double-cylinder nitrogen damper is characterized in that: the device mainly comprises a rubber bushing, an upper connecting seat, a compression adjusting valve system, a restoration adjusting valve system, a large nitrogen cylinder, a small nitrogen cylinder, an inner cylinder, an outer cylinder, a piston valve system, a limiting gasket, a sealing assembly and a piston rod; the inner cylinder is arranged in the outer cylinder, a cavity is formed between the inner cylinder and the outer cylinder, an oil hole is formed in the side face of the lower part of the inner cylinder and is communicated with the cavity, an upper connecting seat is arranged on the upper part of the outer cylinder, a rubber bushing is arranged at the top of the upper connecting seat, a compression regulating valve system, a restoration regulating valve system, a large nitrogen cylinder and a small nitrogen cylinder are arranged on the side edges of the upper connecting seat, and the large nitrogen cylinder and the small nitrogen cylinder are arranged on the same side of the upper connecting seat in parallel; a first oil way is arranged between the compression regulating valve system and the inner cylinder for communication, a second oil way is arranged between the compression regulating valve system and the large nitrogen cylinder for communication, a third oil way is arranged between the restoration regulating valve system and the cavity for communication, and a fourth oil way is arranged between the restoration regulating valve system and the small nitrogen cylinder for communication; the large nitrogen cylinder has a compensation function on the recovery stroke, the small nitrogen cylinder has a compensation function on the compression stroke, and the shock absorber adjusts an oil path and compensates the size through a compression adjusting valve system, a recovery adjusting valve system, an outer cylinder, an inner cylinder, the large nitrogen cylinder and the small nitrogen cylinder.
Further, the piston rod is positioned in the inner cylinder, and a piston valve system, a limiting gasket and a limiting block are sequentially arranged from top to bottom; the sealing component is positioned below the inner pipe and limits the piston valve system, the limiting gasket and the limiting block.
Further, an O-shaped ring is arranged between the outer cylinder and the upper connecting seat.
Further, the compression regulating valve system and the recovery regulating valve system are both provided with check valves.
After the structure is adopted, the utility model has the beneficial effects that:
the utility model can realize the independent adjustment of the compression and restoring damping force of the shock absorber, and has a double-cylinder shock absorber structure with completely separated oil and gas, thus solving the foaming problem of the traditional shock absorber and realizing the decoupling of the damping force in the compression and restoring directions; the large and small nitrogen cylinders respectively compensate the compression and restoration processes, so that the response speed of the shock absorber is faster, and by adopting the shock absorber with the structure, a user can independently and sectionally adjust the compression or restoration damping force according to the use scenes under different working conditions, and the driving feeling is further improved.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
fig. 2 is a schematic view of the external structure of the present utility model.
Reference numerals illustrate:
the device comprises a rubber bushing 1, a connecting seat 2, a compression adjusting valve system 3, a restoration adjusting valve system 4, a large nitrogen cylinder 5, a small nitrogen cylinder 6, an inner cylinder 7, an outer cylinder 8, a piston valve system 9, a limiting gasket 10, a sealing component 11, a piston rod 12, a cavity 13 and an oil hole 14.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is presented by way of example only and is not intended to limit the utility model.
Referring to fig. 1-2, an in-line multifunctional double-cylinder nitrogen shock absorber mainly comprises a rubber bushing 1, an upper connecting seat 2, a compression adjusting valve system 3, a restoration adjusting valve system 4, a large nitrogen cylinder 5, a small nitrogen cylinder 6, an inner cylinder 7, an outer cylinder 8, a piston valve system 9, a limiting gasket 10, a sealing assembly 11 and a piston rod 12; the inner cylinder 7 is arranged in the outer cylinder 8, a cavity 13 is formed between the inner cylinder 7 and the outer cylinder, an oil hole 14 is formed in the side face of the lower part of the inner cylinder 7 and is communicated with the cavity 13, an upper connecting seat 2 is arranged on the upper part of the outer cylinder 8, a rubber bushing 1 is arranged at the top of the upper connecting seat 2, a compression regulating valve system 3, a restoration regulating valve system 4, a large nitrogen cylinder 5 and a small nitrogen cylinder 6 are arranged on the side edges of the upper connecting seat, and the large nitrogen cylinder 5 and the small nitrogen cylinder 6 are arranged on the same side of the upper connecting seat in parallel; a first oil way is arranged between the compression regulating valve system 3 and the inner cylinder 7 for communication, a second oil way is arranged between the compression regulating valve system 3 and the large nitrogen cylinder 5 for communication, a third oil way is arranged between the restoration regulating valve system 6 and the cavity 13 for communication, and a fourth oil way is arranged between the restoration regulating valve system 4 and the small nitrogen cylinder 6 for communication; the large nitrogen cylinder 5 compensates the restoring stroke, the small nitrogen cylinder 6 compensates the compression stroke, and the shock absorber adjusts an oil path and compensates the size through the compression adjusting valve system 3, the restoring adjusting valve system 4, the outer cylinder 7, the inner cylinder 8, the large nitrogen cylinder 5 and the small nitrogen cylinder 6.
Specifically, when the shock absorber is in a compression working condition, oil passes through the shock absorber oil of the upper connecting seat 2 from the inner hole and passes through the compression adjusting valve system 3, and different oil flow rates are generated according to different configuration or adjustment gears of the compression adjusting valve system 3, so that different compression damping forces are obtained; the oil passing through the compression regulating valve system 3 partially enters a nitrogen cylinder, and partially enters a cavity 13 between the inner cylinder 7 and the outer cylinder 8 through the restoration regulating valve system 4 to supplement the volume of the restoration side space; when the shock absorber is in a restoring (stretching) working condition, the shock absorber oil liquid in the nitrogen cylinder passes through the compression adjusting valve system 3 and then enters the compression side of the inner cylinder 7 through the inner hole of the upper connecting seat 2, oil liquid between the inner cylinder and the outer cylinder passes through the restoring adjusting valve system 4 from the cavity between the inner cylinder and the outer cylinder of the restoring side, different oil liquid flow rates are generated according to different configuration or adjustment gears of the restoring adjusting valve system 4, and therefore different restoring damping forces are obtained, independent and adjustable compression and restoring damping forces are realized, larger damping bandwidth is realized, and the multi-working condition use requirements of different users are met.
In the embodiment, a piston rod 12 is positioned in an inner cylinder 7, and a piston valve system 9 and a limiting gasket 10 are sequentially arranged from top to bottom; the sealing assembly 11 is located below the inner tube 7 and limits the piston valve train 9 and the limiting gasket 10.
In this embodiment, an O-ring is provided between the outer tube 7 and the upper connector 2, so that the sealing performance is ensured.
In this embodiment, the compression control valve system 3 and the recovery control valve system 4 are each provided with a check valve.
The flow of the oil in the inner cylinder flowing through the compression regulating valve system 3 under the compression working condition can be controlled by regulating the compression regulating valve system 3, so that the compression damping force is controlled; similarly, the flow rate of oil flowing through the restoration regulating valve system can be controlled by adjusting the restoration regulating valve system 4 under the restoration working condition, so that the restoration damping force is controlled, and the nitrogen cylinders respectively compensate the compression and restoration processes, so that the shock absorber response is more sensitive.
The working principle of the utility model is as follows:
when the shock absorber is in a compression working condition, the piston valve system moves forwards, part of oil is forced in the inner cylinder 7 to pass through the compression regulating valve system 3 from the first oil way, then enters the large nitrogen cylinder 5 from the second oil way, part of oil passes through the check valve of the restoration regulating valve system 4 through the fourth oil way, and then enters the cavity 13 between the inner cylinder and the outer cylinder from the third oil way; when the shock absorber is in a recovery working condition, the piston valve system moves backwards, so that oil is forced to pass through the oil hole, and the oil between the inner cylinder and the outer cylinder is pressurized, so that the oil passes through the recovery regulating valve system 4 from the third oil way, and then enters the small nitrogen cylinder 6 from the fourth oil way; part of oil passes through the one-way valve of the compression regulating valve system 3 through the second oil way and then enters the inner cylinder 7 of the shock absorber from the first oil way; therefore, the flow rate of the oil in the inner cylinder flowing through the compression regulating valve system in the compression working condition can be controlled by regulating the compression regulating valve system 3, so as to control the compression damping force; similarly, adjusting the rebound modulation valve system 4 controls the rebound damping force by controlling the flow of oil through the rebound modulation valve system during rebound conditions.
The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.
Claims (4)
1. An in-line multifunctional double-cylinder nitrogen damper is characterized in that: the device mainly comprises a rubber bushing, an upper connecting seat, a compression adjusting valve system, a restoration adjusting valve system, a large nitrogen cylinder, a small nitrogen cylinder, an inner cylinder, an outer cylinder, a piston valve system, a limiting gasket, a sealing assembly and a piston rod; the inner cylinder is arranged in the outer cylinder, a cavity is formed between the inner cylinder and the outer cylinder, an oil hole is formed in the side face of the lower part of the inner cylinder and is communicated with the cavity, an upper connecting seat is arranged on the upper part of the outer cylinder, a rubber bushing is arranged at the top of the upper connecting seat, a compression regulating valve system, a restoration regulating valve system, a large nitrogen cylinder and a small nitrogen cylinder are arranged on the side edges of the upper connecting seat, and the large nitrogen cylinder and the small nitrogen cylinder are arranged on the same side of the upper connecting seat in parallel; a first oil way is arranged between the compression regulating valve system and the inner cylinder for communication, a second oil way is arranged between the compression regulating valve system and the large nitrogen cylinder for communication, a third oil way is arranged between the restoration regulating valve system and the cavity for communication, and a fourth oil way is arranged between the restoration regulating valve system and the small nitrogen cylinder for communication; the large nitrogen cylinder has a compensation function on the recovery stroke, the small nitrogen cylinder has a compensation function on the compression stroke, and the shock absorber adjusts an oil path and compensates the size through a compression adjusting valve system, a recovery adjusting valve system, an outer cylinder, an inner cylinder, the large nitrogen cylinder and the small nitrogen cylinder.
2. An in-line multi-function dual-tube nitrogen damper as recited in claim 1, wherein: the piston rod is positioned in the inner cylinder, and a piston valve system, a limiting gasket and a limiting block are sequentially arranged from top to bottom; the sealing component is positioned below the inner pipe and limits the piston valve system, the limiting gasket and the limiting block.
3. An in-line multi-function dual-tube nitrogen damper as recited in claim 1, wherein: an O-shaped ring is arranged between the outer cylinder and the upper connecting seat.
4. An in-line multi-function dual-tube nitrogen damper as recited in claim 1, wherein: the compression regulating valve system and the recovery regulating valve system are both provided with one-way valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322018900.6U CN220378778U (en) | 2023-07-28 | 2023-07-28 | In-line multifunctional double-cylinder nitrogen damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322018900.6U CN220378778U (en) | 2023-07-28 | 2023-07-28 | In-line multifunctional double-cylinder nitrogen damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378778U true CN220378778U (en) | 2024-01-23 |
Family
ID=89559251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322018900.6U Active CN220378778U (en) | 2023-07-28 | 2023-07-28 | In-line multifunctional double-cylinder nitrogen damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378778U (en) |
-
2023
- 2023-07-28 CN CN202322018900.6U patent/CN220378778U/en active Active
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