CN208764215U - A kind of gas spring damping device - Google Patents
A kind of gas spring damping device Download PDFInfo
- Publication number
- CN208764215U CN208764215U CN201821548741.3U CN201821548741U CN208764215U CN 208764215 U CN208764215 U CN 208764215U CN 201821548741 U CN201821548741 U CN 201821548741U CN 208764215 U CN208764215 U CN 208764215U
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- China
- Prior art keywords
- piston
- cylinder body
- damping
- gas spring
- inner chamber
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- 238000013016 damping Methods 0.000 title claims abstract description 83
- 239000007789 gas Substances 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 17
- 239000011261 inert gas Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to cushion technique fields, disclose a kind of gas spring damping device, which includes the first damping, the second damping, loading plate and position-limited rack.First damping includes the first cylinder body, and first piston is slidably connected in the first cylinder body, and the side of first piston is fixedly connected with First piston bar, and the other side and the inner wall of the first cylinder body surround first inner chamber；Second damping includes the second cylinder body, and second piston and third piston are slidably connected in the second cylinder body, and the side of second piston is fixedly connected with second piston bar, and the other side of third piston and the inner wall of the first cylinder body surround second inner chamber；Loading plate is fixedly connected on side of second cylinder body far from second piston bar；Position-limited rack includes connecting plate and two limit plates, and two limit plates are respectively perpendicular the both ends for being installed on connecting plate.The utility model performance is stablized, variable rigidity, can meet the needs of motorcycle is to damping comfort property and driving handling simultaneously.
Description
Technical field
The utility model relates to cushion technique field more particularly to a kind of gas spring damping devices.
Background technique
With the development of science and technology, spring industry and it is civilian in it is in an increasingly wide range of applications.Especially making
Industry is made, spring is simple as a kind of structure, and the good part of damping performance plays an important role in terms of damping.Wherein
The purposes of gas spring is very extensive, and the working principle of gas spring is to be filled with inert gas in closed pressure cylinder, makes in cavity
Pressure be several times as much as atmospheric pressure, realize work using the pressure difference that the cross-sectional area that the cross-sectional area of piston rod is less than piston generates
The movement of stopper rod.
With the rapid development of motorcycle industry, requirement of the people to motorcycle damping comfort property and driving handling
It is higher and higher.However the rigidity of most of springs is constant at present, it is difficult at the same meet vehicle swerve, brake etc. it is more
The damping comfort property of kind complex road condition and the demand for driving handling.When damping spring rigidity is smaller, is conducive to improve and drive
The comfort for the person of sailing, but at this point, the stroke of damping spring under the same load increases and makes to drive handling reduction；Damping bullet
When spring rigidity is larger, motor cycle rider's handling is effectively improved, but damping comfort property reduces.
Utility model content
Based on problem above, the purpose of this utility model is to provide a kind of gas spring damping devices, and variable rigidity can
Meet vehicle simultaneously in the demand of the damping comfort property for the Various Complexes road conditions such as swerve, brake and driving handling.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of gas spring damping device, comprising:
First damping, first damping include the first cylinder body, slidably connect first piston in the first cylinder body,
The side of first piston is fixedly connected with First piston bar, and the inner wall of the other side and the first cylinder body surrounds first inner chamber, in first
It is intracavitary to be filled with inert gas；
Second damping, second damping include the second cylinder body, slidably connect second piston in the second cylinder body
With third piston, the side of second piston is fixedly connected with second piston bar, and the other side of second piston passes through space ring and the
The side of three pistons connects, and the inner wall of the other side of third piston and the first cylinder body surrounds second inner chamber, filling in second inner chamber
There is inert gas；
Loading plate, the loading plate are fixedly connected on side of second cylinder body far from second piston bar；
Position-limited rack, the position-limited rack include connecting plate and two limit plates, and the side of connecting plate is fixedly connected on the first cylinder body
Side far from First piston bar, the other side of connecting plate are fixedly connected in second piston bar, and two limit plates are respectively perpendicular
The both ends of connecting plate are installed on, is arranged towards loading plate, the second damping can be locked when limit plate is resisted against loading plate.
The preferred embodiment of gas spring damping device as the utility model, the first damping further include the first sealing
Circle, the first sealing ring recline side of the first piston far from first inner chamber.
The preferred embodiment of gas spring damping device as the utility model, the second damping further include the second sealing
Circle, the second sealing ring recline side of the second piston far from second inner chamber.
The preferred embodiment of gas spring damping device as the utility model is provided with through-hole in second piston, and second is living
One end of stopper rod connection second piston is provided with boss structure, and boss structure is arranged in through-hole.
The preferred embodiment of gas spring damping device as the utility model, position-limited rack further include two buffer stoppers, buffering
Block is fixedly installed in the one end of limit plate towards loading plate.
The preferred embodiment of gas spring damping device as the utility model, buffer stopper are prepared by rubber.
The preferred embodiment of gas spring damping device as the utility model, setting is there are two dashpot on loading plate, and two
A buffer stopper can be respectively clamped into two dashpots.
The preferred embodiment of gas spring damping device as the utility model, the interior inertia in second inner chamber of first inner chamber
The mass ratio of gas is 1:1,1:2 or 2:1.
The preferred embodiment of gas spring damping device as the utility model, the volume fraction of the first cylinder body and the second cylinder body
For 1:1,1:2 or 2:1.
The preferred embodiment of gas spring damping device as the utility model, the first damping and the second damping
Axis is overlapped.
The utility model has the following beneficial effects:
Gas spring damping device provided by the utility model by setting the first cylinder body, first piston, First piston bar and
First inner chamber filled with inert gas constitutes the first damping；By setting the second cylinder body, second piston, third piston,
Second piston bar and second inner chamber filled with inert gas constitute the second damping.When the external world is applied to the utility model
Impact force it is smaller when, two dampings work simultaneously, and rigidity is smaller, be conducive to improve driver damping comfort；
When the impact force that the external world is applied to the utility model is larger, position-limited rack is connected on loading plate, at this time only the first damping
It works, rigidity becomes larger, and spring travel becomes smaller under identical load, is conducive to the driving manipulation sense for improving driver.This is practical new
Type performance is stablized, variable rigidity, and the damping that can meet motorcycle simultaneously in the Various Complexes road conditions such as swerve, brake is comfortable
Performance and the demand for driving handling.
Detailed description of the invention
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the content of the utility model embodiment and these attached drawings.
Fig. 1 is the schematic diagram for the gas spring damping device that specific embodiment of the present invention provides.
In figure:
The first damping of 1-；The second damping of 2-；3- loading plate；4- position-limited rack；
The first cylinder body of 11-；12- first piston；13- First piston bar；14- first inner chamber；The first sealing ring of 15-；
The second cylinder body of 21-；22- second piston；23- third piston；24- second piston bar；25- space ring；In 26- second
Chamber；The second sealing ring of 27-；
31- dashpot；41- connecting plate；42- limit plate；43- buffer stopper.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
It is practical new to belong to this for those skilled in the art's every other embodiment obtained without creative efforts
The range of type protection.
As shown in Figure 1, present embodiment provides a kind of gas spring damping device, which subtracts including first
Shake mechanism 1, the second damping 2, loading plate 3 and position-limited rack 4.
Wherein, the first damping 1 includes the first cylinder body 11, slidably connects first piston 12 in the first cylinder body 11, the
The side of one piston 12 is fixedly connected with First piston bar 13, and the other side and the inner wall of the first cylinder body 11 surround first inner chamber 14,
Inert gas is filled in first inner chamber 14.
By filling inert gas in first inner chamber 14, so that the pressure in first inner chamber 14 is several times as much as atmospheric pressure, utilize
The cross-sectional area of First piston bar 13 is less than the pressure difference that the cross-sectional area of first piston 12 generates, the movement of Lai Shixian piston rod
Gas spring is constituted, convenient for disassembly and assembly, performance is stablized.
Second damping 2 includes the second cylinder body 21, and second piston 22 is slidably connected in the second cylinder body 21 and third is living
Plug 23, the side of second piston 22 are fixedly connected with second piston bar 24, the other side of second piston 22 by space ring 25 with
The side of third piston 23 connects, and the inner wall of the other side of third piston 23 and the first cylinder body 11 surrounds second inner chamber 26, and second
Inert gas is filled in inner cavity 26.The friction that piston is integrally subject to is increased by setting second piston 22 and third piston 23
Power so that second piston bar 24 moved in stress it is gentler.
Loading plate 3 is fixedly connected on the second side of the cylinder body 21 far from second piston bar 24.It is to hold that loading plate 3, which is arranged,
The transmission force of whole device is carried, meanwhile, convenient for the present apparatus is installed in required damping operating environment.
Position-limited rack 4 includes connecting plate 41 and two limit plates 42, and the side of connecting plate 41 is fixedly connected on the first cylinder body 11
Side far from First piston bar 13, the other side of connecting plate 41 are fixedly connected in second piston bar 24, two limit plates 42
The both ends for being installed on connecting plate 41 are respectively perpendicular, is arranged towards loading plate 3, can be locked when limit plate 42 is resisted against loading plate 3
Second damping 2.
It should be noted that two dampings rise simultaneously when the extraneous impact force for being applied to the utility model is smaller
Effect, rigidity is smaller, is conducive to the damping comfort for improving driver；When the impact force that the external world is applied to the utility model is larger
When, position-limited rack 4 is connected on loading plate 3, and only the first damping 1 works at this time, and rigidity becomes larger, rows of springs under identical load
Cheng Bian little is conducive to the driving manipulation sense for improving driver.
Specifically, the first damping 1 further includes the first sealing ring 15, the first sealing ring 15 first piston 12 that reclines is separate
The side of first inner chamber 14, the second damping 2 further include the second sealing ring 27, and the second sealing ring 27 reclines second piston 22 far
Side from second inner chamber 26.By the first sealing ring 15 of setting and the second sealing ring 27, it is advantageously ensured that the sealing of the present apparatus
It is functional, keep overall performance reliable and stable.
Through-hole is provided in second piston 22, one end that second piston bar 24 connects second piston 22 is provided with boss knot
Structure, boss structure are arranged in through-hole.The power being subject to is sufficiently transmitted to second convenient for second piston bar 24 by this structure design
On piston 22 and third piston 23, performance is stablized, reliability and durability.
Position-limited rack 4 further includes two buffer stoppers 43, and buffer stopper 43 is fixedly installed in limit plate 42 towards the one of loading plate 3
End.Buffer stopper 43 is prepared by rubber, being capable of instantaneous force of the buffer limit frame 4 when being connected to loading plate 3.Loading plate 3
There are two dashpots 31 for upper setting, and two buffer stoppers 43 can be respectively clamped into two dashpots 31, convenient for the positioning of position-limited rack 4
And locking.
More specifically, be with the mass ratio of the inert gas in second inner chamber 26 in first inner chamber 14 1:1,1:2 or
2:1 can satisfy reality by distinguishing the identical or different inert gas of filling quality in first inner chamber 14 and second inner chamber 26
Demand of the damping environment for spring different-stiffness.
The volume fraction of first cylinder body 11 and the second cylinder body 21 is 1:1,1:2 or 2:1, and a variety of volume fractions are arranged and are conducive to
Meets the needs of practical damping environment is for spring different-stiffness.It should be noted that the ratio referred here to is only for example
Bright, specific ratio need to be adjusted according to actual needs.First damping 1 is overlapped with the axis of the second damping 2, is convenient for
Location and installation.
The utility model performance is stablized, variable rigidity, can meet simultaneously motorcycle swerve, brake etc. it is a variety of multiple
The damping comfort property of miscellaneous road conditions and the demand for driving handling.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment here, is able to carry out for a person skilled in the art various apparent
Variation is readjusted and is substituted without departing from the protection scope of the utility model.Therefore, although by above embodiments to this
Utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from this reality
It can also include more other equivalent embodiments in the case where with novel design, and the scope of the utility model is by appended power
Sharp claimed range determines.
Claims (10)
1. a kind of gas spring damping device characterized by comprising
First damping (1), first damping (1) include the first cylinder body (11), are slided in first cylinder body (11)
Dynamic to be connected with first piston (12), the side of the first piston (12) is fixedly connected with First piston bar (13), the other side with
The inner wall of first cylinder body (11) surrounds first inner chamber (14), and inert gas is filled in the first inner chamber (14)；
Second damping (2), second damping (2) include the second cylinder body (21), are slided in second cylinder body (21)
Dynamic to be connected with second piston (22) and third piston (23), the side of the second piston (22) is fixedly connected with second piston bar
(24), the other side of the second piston (22) is connect by space ring (25) with the side of the third piston (23), described
The inner wall of the other side of third piston (23) and first cylinder body (11) surrounds second inner chamber (26), the second inner chamber (26)
It is interior to be filled with inert gas；
Loading plate (3) is fixedly connected on side of second cylinder body (21) far from the second piston bar (24)；
Position-limited rack (4), the position-limited rack (4) include connecting plate (41) and two limit plates (42), and the one of the connecting plate (41)
Side be fixedly connected on first cylinder body (11) far from the First piston bar (13) side, the connecting plate (41) it is another
Side is fixedly connected on the second piston bar (24), and two limit plates (42) are respectively perpendicular and are installed on the connecting plate
(41) both ends, are arranged towards the loading plate (3), and the limit plate (42) can lock when being resisted against the loading plate (3)
Second damping (2).
2. gas spring damping device according to claim 1, which is characterized in that first damping (1) further includes
First sealing ring (15), first sealing ring (15) recline the first piston (12) far from the first inner chamber (14) one
Side.
3. gas spring damping device according to claim 1, which is characterized in that second damping (2) further includes
Second sealing ring (27), second sealing ring (27) recline the second piston (22) far from the second inner chamber (26) one
Side.
4. gas spring damping device according to claim 1, which is characterized in that be provided on the second piston (22) logical
Hole, one end that the second piston bar (24) connects the second piston (22) are provided with boss structure, and the boss structure is worn
In the through-hole.
5. gas spring damping device according to claim 1, which is characterized in that the position-limited rack (4) further includes two slow
It rushes block (43), the buffer stopper (43) is fixedly installed in the one end of the limit plate (42) towards the loading plate (3).
6. gas spring damping device according to claim 5, which is characterized in that the buffer stopper (43) it is standby by rubber system and
At.
7. gas spring damping device according to claim 5, which is characterized in that on the loading plate (3) there are two settings
Dashpot (31), two buffer stoppers (43) can be respectively clamped into two dashpots (31).
8. -7 any gas spring damping device according to claim 1, which is characterized in that in the first inner chamber (14) with
The mass ratio of inert gas in the second inner chamber (26) is 1:1,1:2 or 2:1.
9. -7 any gas spring damping device according to claim 1, which is characterized in that first cylinder body (11) and institute
The volume fraction for stating the second cylinder body (21) is 1:1,1:2 or 2:1.
10. -7 any gas spring damping device according to claim 1, which is characterized in that first damping (1)
It is overlapped with the axis of second damping (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821548741.3U CN208764215U (en) | 2018-09-20 | 2018-09-20 | A kind of gas spring damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821548741.3U CN208764215U (en) | 2018-09-20 | 2018-09-20 | A kind of gas spring damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764215U true CN208764215U (en) | 2019-04-19 |
Family
ID=66136097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821548741.3U Expired - Fee Related CN208764215U (en) | 2018-09-20 | 2018-09-20 | A kind of gas spring damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208764215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058472A (en) * | 2020-07-30 | 2022-02-18 | 苏州中加康美科技有限公司 | Nucleic acid reagent reaction unit |
| CN114396448A (en) * | 2022-01-20 | 2022-04-26 | 重庆理工大学 | Air spring and height and rigidity decoupling method thereof |
-
2018
- 2018-09-20 CN CN201821548741.3U patent/CN208764215U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058472A (en) * | 2020-07-30 | 2022-02-18 | 苏州中加康美科技有限公司 | Nucleic acid reagent reaction unit |
| CN114396448A (en) * | 2022-01-20 | 2022-04-26 | 重庆理工大学 | Air spring and height and rigidity decoupling method thereof |
| CN114396448B (en) * | 2022-01-20 | 2024-02-23 | 重庆理工大学 | Air spring and decoupling method for height and rigidity of air spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An air spring shock absorber Effective date of registration: 20210108 Granted publication date: 20190419 Pledgee: Nanjing bank Limited by Share Ltd. Lishui branch Pledgor: NANJING BAOZUAN SPRING Co.,Ltd. Registration number: Y2021980000186 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 |