CN211474738U - Drum-type hydraulic shock absorber with high-pressure air bag - Google Patents
Drum-type hydraulic shock absorber with high-pressure air bag Download PDFInfo
- Publication number
- CN211474738U CN211474738U CN201921888295.5U CN201921888295U CN211474738U CN 211474738 U CN211474738 U CN 211474738U CN 201921888295 U CN201921888295 U CN 201921888295U CN 211474738 U CN211474738 U CN 211474738U
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- China
- Prior art keywords
- air bag
- shock absorber
- pressure air
- connecting rod
- piston connecting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000035939 shock Effects 0.000 title claims abstract description 33
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a cylinder type hydraulic shock absorber with high-pressure air bags, which comprises a storage tube, wherein the upper end and the lower end of the storage tube are provided with a top cover and a bottom cover, the lower end of the top cover is provided with an oil seal, the upper end of the bottom cover is provided with a bottom valve, a sealing inner tube is arranged between the oil seal and the bottom valve, a piston connecting rod is arranged inside the sealing inner tube, the lower end of the piston connecting rod is provided with a piston valve, the upper end of the top cover is provided with an air bag lining plate, the piston connecting rod is provided with an air bag lining plate, and a high-pressure air bag is arranged between the air bag lining plates, the utility model improves the protection of the piston connecting rod outside the cylinder type structure through the air bag structure, performs double shock absorption through matching with the internal hydraulic pressure, enhances the shock absorption effect, performs, playing a role of air pressure buffering and being worth popularizing.
Description
Technical Field
The utility model relates to a bumper shock absorber technical field specifically is a take high pressure gasbag's cylinder hydraulic shock absorber.
Background
The shock absorber is an apparatus for accelerating the attenuation of the vibration of the vehicle frame and the vehicle body to improve the ride comfort of the vehicle, and is installed in the suspension system of most vehicles.
When the frame and the axle reciprocate relative to each other and the piston in the shock absorber also reciprocates in the cylinder, oil in the shock absorber housing repeatedly flows from one chamber to the other chamber through narrow apertures. At the moment, the friction between the hole wall and the oil liquid and the liquid intramolecular friction form damping force to vibration, so that the vibration energy of the vehicle body and the vehicle frame is converted into heat energy, and the heat energy is absorbed by the oil liquid and the shock absorber shell and then is dissipated into the atmosphere. The damping force of the shock absorber increases and decreases along with the increase and decrease of the relative speed of the vehicle frame and the vehicle axle (or the vehicle wheel), and is related to the viscosity of oil. The viscosity of the oil used for the shock absorber is required to be affected as little as possible by temperature changes; and has the performances of vaporization resistance, oxidation resistance, no corrosion to various metal and non-metal parts and the like.
The utility model is the patent with the application number of CN200520025244.1, which is named as a practical novel patent of a motorcycle shock absorber, the shock absorber comprises a damper assembly, an upper lifting ring, a buffer block which is positioned at the upper part of a piston rod through an axial hole, a thick spring, a spacer bush which is positioned between the thick spring and a thin spring, the thin spring and a lower lifting ring, the thick spring and the thin spring are positioned between the inner ends of the upper lifting ring and the lower lifting ring according to the axial winding of the piston rod and a cylinder body, compared with the prior motorcycle rear reducer, the utility model has the advantages that more than two springs have different functions, and the motorcycle shock absorber feels comfortable when a single person rides or loads; because the external thread at the lower end part of the cylinder body is movably connected with the internal thread at the inner end part of the lower hanging ring, the damper is convenient to disassemble and assemble, the damping oil in the damper is convenient to replace and fill, and the optimal damping effect of the damper is ensured.
However, when the telescopic hydraulic shock absorber with the high-pressure air bag is used, the end part of the piston connecting rod is easy to be greatly impacted when absorbing shock, so that the service life of the shock absorber is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a take high-pressure air bag's cylinder hydraulic shock absorber can the effectual problem that the solution background art provided.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a take cylinder hydraulic shock absorber of high-pressure air bag, includes the storage tube, both ends are provided with top cap and bottom about the storage tube, the top cap lower extreme is provided with the oil blanket, the bottom upper end is provided with the bottom valve, be provided with sealed inner tube between oil blanket and the bottom valve, the inside piston rod that is provided with of sealed inner tube, the piston rod lower extreme is provided with the piston valve, the top cap upper end is provided with the gasbag welt, be provided with the gasbag welt on the piston rod, be provided with high-pressure air bag between the gasbag welt, high-pressure air bag includes a plurality of annular gasbag, annular gasbag pile together, and the annular gasbag that sets up at both ends is connected with sealed cushion, the inside inflation inlet that is provided with of sealed cushion, be connected.
Furthermore, the lower end of the bottom cover is provided with a hanging ring, and the tail end of the piston connecting rod is provided with a hanging ring.
Further, the protective cushion layer is made of polytetrafluoroethylene materials.
Furthermore, the protective cushion layer is internally provided with reinforcing metal wires.
Furthermore, a sealing rubber sleeve is arranged on the outer side of the inflation inlet.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model improves the protection of the piston connecting rod outside the cylinder structure by arranging the air bag at the end part of the hydraulic shock absorber, and performs double shock absorption by matching with the internal hydraulic pressure, thereby enhancing the shock absorption effect;
(2) the utility model discloses a plurality of gasbags that pile up the setting carry out the atmospheric pressure buffering, and the mutual linkage gets up between the gasbag that piles up, plays atmospheric pressure cushioning effect, is worth promoting.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the high-pressure air bag of the present invention;
fig. 3 is a schematic structural diagram of a point a of the present invention.
Reference numbers in the figures:
1-storage tube, 2-top cover, 3-bottom cover, 4-oil seal, 5-bottom valve, 6-sealing inner cylinder, 7-piston connecting rod, 8-piston valve, 9-air bag lining plate, 10-high-pressure air bag, 11-annular air bag, 12-communicating tube, 13-sealing rubber cushion, 14-inflation inlet, 15-protective cushion layer, 16-flying ring, 17-reinforcing metal wire and 18-sealing rubber sleeve.
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.
As shown in fig. 1 to 3, the utility model provides a cylinder type hydraulic shock absorber with high pressure air bag, which comprises a storage tube 1, wherein a top cover 2 and a bottom cover 3 are arranged at the upper end and the lower end of the storage tube 1, an oil seal 4 is arranged at the lower end of the top cover 2, a bottom valve 5 is arranged at the upper end of the bottom cover 3, a sealing inner tube 6 is arranged between the oil seal 4 and the bottom valve 5, a piston connecting rod 7 is arranged inside the sealing inner tube 6, a piston valve 8 is arranged at the lower end of the piston connecting rod 7, an air bag lining plate 9 is arranged at the upper end of the top cover 2, an air bag lining plate 9 is arranged on the piston connecting rod 7, a high pressure air bag 10 is arranged between the air bag lining plates 9, the high pressure air bag 10 comprises a plurality of annular air bags 11, the annular air bags 11 are stacked together, the annular air bags, an inflation inlet 14 is arranged inside the sealing rubber cushions 13, and a protective cushion layer 15 is connected between the sealing rubber cushions 13;
the utility model discloses a theory of operation does: when in use, the storage pipe 1 is matched with the inner sealing inner cylinder 6, the oil seal 4 and the bottom valve 5 which are arranged inside are combined, a good hydraulic damping structure is formed, the piston valve 8 inside is driven to move by the piston connecting rod 7 inside, damping is carried out by hydraulic pressure, the periphery of the piston connecting rod 7 with the upper end exposed outside is provided with an air bag lining plate 9, a high-pressure air bag 10 is arranged between the air bag lining plate and the piston connecting rod 7, a plurality of annular air bags 11 are connected together to protect the peripheral structure, the annular air bags 11 which are stacked together are connected together by a communicating pipe 12, when in inflation, the internal air pressure can be balanced, when the piston connecting rod 7 is pressed down, the annular air bags 11 are combined together to provide a buffering function by the high-pressure air inside, the plurality of air bags are adopted to avoid the integral air bags from being damaged by high pressure, the pressure resistance is improved, the periphery is wrapped, the air bag structure is prevented from being damaged externally, and the service life of the air bag is prolonged.
In a preferred embodiment, the lower end of the bottom cover 3 is provided with a hanging ring 16, the tail end of the piston connecting rod 7 is provided with the hanging ring 16, and the hanging ring type structure is convenient to install and connect.
In a preferred embodiment, the protective cushion layer 15 is made of polytetrafluoroethylene, and has a good protective capability and strong wear resistance.
As a preferred embodiment, the protective cushion layer 15 is internally provided with reinforcing wires 17, so that the structural strength is enhanced, and the protective cushion layer 15 is prevented from being broken and cracked.
In a preferred embodiment, a sealing rubber sleeve 18 is arranged outside the inflation port 14 to avoid air leakage and improve sealing performance.
To sum up, the utility model discloses a key feature lies in:
(1) the utility model improves the protection of the piston connecting rod outside the cylinder structure by arranging the air bag at the end part of the hydraulic shock absorber, and performs double shock absorption by matching with the internal hydraulic pressure, thereby enhancing the shock absorption effect;
(2) the utility model discloses a plurality of gasbags that pile up the setting carry out the atmospheric pressure buffering, and the mutual linkage gets up between the gasbag that piles up, plays atmospheric pressure cushioning effect, is worth promoting.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A telescopic hydraulic shock absorber with a high-pressure air bag comprises a storage tube (1), and is characterized in that: the storage tube is characterized in that a top cover (2) and a bottom cover (3) are arranged at the upper end and the lower end of the storage tube (1), an oil seal (4) is arranged at the lower end of the top cover (2), a bottom valve (5) is arranged at the upper end of the bottom cover (3), a sealing inner tube (6) is arranged between the oil seal (4) and the bottom valve (5), a piston connecting rod (7) is arranged inside the sealing inner tube (6), a piston valve (8) is arranged at the lower end of the piston connecting rod (7), an air bag lining plate (9) is arranged at the upper end of the top cover (2), an air bag lining plate (9) is arranged on the piston connecting rod (7), a high-pressure air bag (10) is arranged between the air bag lining plates (9), the high-pressure air bag (10) comprises a plurality of annular air bags (11), and the annular air bags (11) arranged at the two ends are connected with sealing rubber mats (13), the inner parts of the sealing rubber mats (13) are provided with inflation ports (14), and protective cushion layers (15) are connected between the sealing rubber mats (13).
2. The telescopic hydraulic shock absorber with the high-pressure air bag according to claim 1, wherein: the lower end of the bottom cover (3) is provided with a hanging ring (16), and the tail end of the piston connecting rod (7) is provided with the hanging ring (16).
3. The telescopic hydraulic shock absorber with the high-pressure air bag according to claim 1, wherein: the protective cushion layer (15) is made of polytetrafluoroethylene materials.
4. The telescopic hydraulic shock absorber with the high-pressure air bag according to claim 1, wherein: and a reinforcing metal wire (17) is arranged in the protective cushion layer (15).
5. The telescopic hydraulic shock absorber with the high-pressure air bag according to claim 1, wherein: and a sealing rubber sleeve (18) is arranged on the outer side of the inflation inlet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888295.5U CN211474738U (en) | 2019-11-05 | 2019-11-05 | Drum-type hydraulic shock absorber with high-pressure air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888295.5U CN211474738U (en) | 2019-11-05 | 2019-11-05 | Drum-type hydraulic shock absorber with high-pressure air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211474738U true CN211474738U (en) | 2020-09-11 |
Family
ID=72362844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921888295.5U Expired - Fee Related CN211474738U (en) | 2019-11-05 | 2019-11-05 | Drum-type hydraulic shock absorber with high-pressure air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211474738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293470A (en) * | 2021-12-20 | 2022-04-08 | 中铁二十五局集团第二工程有限公司 | Supporting structure system for erection and assembly of long-span steel box girder |
-
2019
- 2019-11-05 CN CN201921888295.5U patent/CN211474738U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293470A (en) * | 2021-12-20 | 2022-04-08 | 中铁二十五局集团第二工程有限公司 | Supporting structure system for erection and assembly of long-span steel box girder |
| CN114293470B (en) * | 2021-12-20 | 2022-12-27 | 中铁二十五局集团第二工程有限公司 | Supporting structure system for erection and assembly of long-span steel box girder |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |