CN110206842A - A kind of single cylinder cylinder double chamber hydragas spring - Google Patents
A kind of single cylinder cylinder double chamber hydragas spring Download PDFInfo
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- CN110206842A CN110206842A CN201910492419.6A CN201910492419A CN110206842A CN 110206842 A CN110206842 A CN 110206842A CN 201910492419 A CN201910492419 A CN 201910492419A CN 110206842 A CN110206842 A CN 110206842A
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- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 238000007667 floating Methods 0.000 claims description 25
- 238000013016 damping Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 24
- 230000003139 buffering effect Effects 0.000 abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 12
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 7
- 239000000725 suspension Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/061—Mono-tubular units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/063—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid comprising a hollow piston rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/066—Units characterised by the partition, baffle or like element
- F16F9/067—Partitions of the piston type, e.g. sliding pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/068—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where the throttling of a gas flow provides damping action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3228—Constructional features of connections between pistons and piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/3405—Throttling passages in or on piston body, e.g. slots
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/368—Sealings in pistons
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of single cylinder cylinder double chamber hydragas springs, and using hydro-pneumatic spring cylinder of connecting built in double piston-rod, four chamber two-passes, the hydro-pneumatic spring cylinder including two independent strokes, the upper and lower serial mechanism of two hydro-pneumatic spring cylinders shares a cylinder barrel.When low-load, the upper hydro-pneumatic spring cylinder compression buffering downlink filled with low-pressure nitrogen does not work, the lower hydro-pneumatic spring cylinder pressure filled with high pressure nitrogen is higher than upper hydro-pneumatic spring cylinder at this time at this time filled with hydro-pneumatic spring cylinder under high pressure nitrogen.When load reaches certain value, the upper hydro-pneumatic spring cylinder buffering filled with low pressure is continued traveling downwardly, and when reaching the high pressure nitrogen pressure of lower hydro-pneumatic spring cylinder, at this point, hydro-pneumatic spring cylinder works together up and down, reaches good buffering effect.The present invention uses single cylinder cylinder, realizes the series connection of double hydro-pneumatic springs, simplifies the structure of hydro-pneumatic spring, reduce costs, while can lengthen the stroke of hydro-pneumatic spring cylinder, when so that heavy-duty vehicle rigidity is too big, good buffering effect still may be implemented.
Description
Technical field
The present invention relates to hydro-pneumatic spring technical fields, more particularly to a kind of single cylinder cylinder double chamber hydragas spring.
Background technique
Automobile when driving, vibration is generated by the impact from road surface on uneven road surface, in order to mitigate impact, decaying
Vibration is installed in parallel in suspension system and has elastic component and damper.Wherein, elastic element is used to absorb impact energy to filter
The vibration on road surface, but spring itself also has reciprocating motion, and damper is exactly for inhibiting this spring to jump.
Currently, generally using helical spring as elastic element, luxury car, heavy engineering vehicle meeting in automobile suspension system
Using hydro-pneumatic spring.Hydro-pneumatic spring, thus can be one relative to helical spring because it is with good nonlinear stiffness characteristic
Determine the comfort and stability that improve vehicle in degree.
Although current hydro-pneumatic spring has the advantages that rigidity with load change, also suffer from certain drawbacks simultaneously: by
Rigidity is generally adjusted by the blowing pressure in hydro-pneumatic spring cylinder, is also had through the structure of piston or cylinder barrel and is changed damping or rigid
Degree, but buffering is too short when the variation range of effective rigidity is all less than normal or rigidity is big, and lengthen the stroke of hydro-pneumatic spring cylinder by
To the limitation in space.If heavy-duty vehicle requires a good cushion stroke in unloaded and full load with hydro-pneumatic spring cylinder, such as
There is buffering effect when unloaded, full load buffering effect is then poor；Change starting rigidity by the blowing pressure, guarantees full load buffering effect
Fruit is good, and rigidity is too big when zero load, and buffering effect is deteriorated, and increases limitation of the stroke by height of car.
Therefore, for traditional hydro-pneumatic spring, how to realize has good elastic characteristic in zero load, when overloaded can be with
Become rigid suspension, absorb more impact energy, inhibit the vibration of vehicle frame, this is current problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of single cylinder cylinder double chamber hydragas springs, solve existing hydro-pneumatic spring in heavy-duty vehicle
The poor problem of unloaded, heavily loaded overall process buffering effect.
The technical scheme adopted by the invention is that:
A kind of single cylinder cylinder double chamber hydragas spring, including cylinder barrel, upper hydro-pneumatic spring and lower hydro-pneumatic spring, the upper oil gas bullet
Spring and lower hydro-pneumatic spring are the setting of upper and lower serial mechanism, the upper hydro-pneumatic spring include upper piston rod, upper piston, floating piston and
Guide sleeve, the lower hydro-pneumatic spring include lower piston rod, lower piston and rear end cap,
Wherein, the upper piston rod, upper piston and floating piston are nested in cylinder barrel, and the lower piston rod and lower piston are embedding
It covers in cylinder barrel, the upper piston rod is consistent with the outer diameter of lower piston rod, the outer diameter of the upper piston, floating piston and lower piston
Unanimously；
The upper end of the cylinder barrel is provided with guide sleeve, and the guide sleeve is bolted to connection with cylinder barrel, the cylinder barrel
Lower end be provided with rear end cap, the rear end cap is bolted to connection with cylinder barrel；
The bottom end of the floating piston and the tip contact of lower piston rod, the inner wall of cylinder is equipped with barrier point, described floating
Piston and the upper surface of barrier point abut against, and the lower end surface of the lower piston and barrier point abuts against；
A chamber is formed between the guide sleeve and upper piston, and the first oil pocket, institute are formed between the upper piston and floating piston
Formation B chamber between floating piston and lower piston is stated, forms the second oil pocket between the lower piston and rear end cap；The cylinder barrel top
Side is provided with A chamber interface, and the rear end cap side is provided with B chamber interface；
The A chamber passes through at least one check valve respectively and at least one damping hole is connected to the first oil pocket；
The B chamber passes through at least one check valve respectively and at least one damping hole is connected to the second oil pocket.
Further, the upper piston rod and upper piston are integrally formed, and the lower piston rod and lower piston are integrally formed.
Further, it is provided with the first check valve on the upper piston rod, it is unidirectional that second is provided on the lower piston rod
Valve.
Further, it is provided with the first damping hole on the upper piston, the second damping hole is provided on the lower piston.
Further, the contact surface of the guide sleeve, upper piston, floating piston and lower piston and cylinder barrel is provided with sealing
Part.
Preferably, the sealing element is the slip-ring type combined sealing structure that this spy's envelope is constituted with elastic O-ring.
The beneficial effects of the present invention are:
The present invention is using double piston-rod, the built-in hydro-pneumatic spring cylinder of connecting of four chamber two-passes, the oil including two independent strokes
Gas spring cylinder, the upper and lower serial mechanism of two hydro-pneumatic spring cylinders.The upper lower piston rod of hydro-pneumatic spring cylinder is equipped with built-in check valve, piston
On have damping hole.
When low-load, the upper hydro-pneumatic spring cylinder compression buffering downlink filled with low-pressure nitrogen, filled with oil gas bullet under high pressure nitrogen
Spring cylinder does not work at this time, and the lower hydro-pneumatic spring cylinder pressure filled with high pressure nitrogen is higher than upper hydro-pneumatic spring cylinder at this time.When load reaches
When certain value, the upper hydro-pneumatic spring cylinder buffering filled with low pressure is continued traveling downwardly, when reaching the high pressure nitrogen pressure of lower hydro-pneumatic spring cylinder,
At this point, hydro-pneumatic spring cylinder works together up and down, reach good buffering effect.
The present invention, which realizes traction engine, all has good buffering effect in unloaded, heavily loaded overall process.
Single cylinder cylinder double chamber hydragas spring of the present invention uses single cylinder cylinder, realizes the series connection of double hydro-pneumatic springs, simplifies oil gas
The structure of spring, reduces costs, while can lengthen the stroke of hydro-pneumatic spring cylinder, when so that heavy-duty vehicle rigidity is too big, still
Good buffering effect so may be implemented.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the cross-sectional view that single cylinder cylinder double chamber hydragas spring of the present invention is in extended state.
Fig. 2 is the cross-sectional view that single cylinder cylinder double chamber hydragas spring of the present invention is in compressive state.
It is living under 1- cylinder barrel 2- upper piston rod 3- upper piston 4- floating piston 5- guide sleeve 6- lower piston rod 7- in figure
It fills in 8- rear end cap 9- and obstructs the first oil pocket of point 10-A chamber 11-B chamber 12- 13- the second oil pocket 14-A chamber interface 15-B chamber
Interface 16- the first check valve 17- second one-way valve 18- the first damping hole the second damping hole of 19-.
Specific embodiment
In order to deepen the understanding of the present invention, further details of theory is made to the present invention with reference to the accompanying drawings and examples
It is bright.The following examples are only intended to illustrate the technical solution of the present invention more clearly, and cannot be used as a limitation and limit guarantor of the invention
Protect range.
As illustrated in fig. 1 and 2, a kind of single cylinder cylinder double chamber hydragas spring of the present invention, including cylinder barrel, upper hydro-pneumatic spring and lower oil
Gas spring, the upper hydro-pneumatic spring and lower hydro-pneumatic spring are the setting of upper and lower serial mechanism, and the upper hydro-pneumatic spring includes upper piston
Bar, upper piston, floating piston and guide sleeve, the lower hydro-pneumatic spring include lower piston rod, lower piston and rear end cap,
Wherein, the upper piston rod, upper piston and floating piston are nested in cylinder barrel, and the lower piston rod and lower piston are embedding
It covers in cylinder barrel, the upper piston rod is consistent with the outer diameter of lower piston rod, the outer diameter of the upper piston, floating piston and lower piston
Unanimously；
The upper end of the cylinder barrel is provided with guide sleeve, and the guide sleeve is bolted to connection with cylinder barrel, the cylinder barrel
Lower end be provided with rear end cap, the rear end cap is bolted to connection with cylinder barrel；
The bottom end of the floating piston and the tip contact of lower piston rod, the inner wall of cylinder is equipped with barrier point, described floating
Piston and the upper surface of barrier point abut against, and the lower end surface of the lower piston and barrier point abuts against；
A chamber is formed between the guide sleeve and upper piston, and the first oil pocket, institute are formed between the upper piston and floating piston
Formation B chamber between floating piston and lower piston is stated, forms the second oil pocket between the lower piston and rear end cap；The cylinder barrel top
Side is provided with A chamber interface, and the rear end cap side is provided with B chamber interface；
The A chamber passes through at least one check valve respectively and at least one damping hole is connected to the first oil pocket；
The B chamber passes through at least one check valve respectively and at least one damping hole is connected to the second oil pocket.
In the present embodiment, the upper piston rod and upper piston are integrally formed, and the lower piston rod and lower piston are integrally formed.
In the present embodiment, it is provided with the first check valve on the upper piston rod, it is single that second is provided on the lower piston rod
To valve.
In the present embodiment, it is provided with the first damping hole on the upper piston, the second damping hole is provided on the lower piston.
In the present embodiment, the contact surface of the guide sleeve, upper piston, floating piston and lower piston and cylinder barrel is provided with close
Sealing.
In the present embodiment, the sealing element is the slip-ring type combined sealing structure that this spy's envelope is constituted with elastic O-ring, by this
The slip-ring type combined sealing structure that spy's envelope is constituted with elastic O-ring, the sealing of piston rod and suspension cylinder barrel for hydro pneumatic suspension,
It can be used for the sealing of piston and cylinder barrel.The geometry of sealing ring is stairstepping, can achieve zero leakage, has under sealing ring
Abrasion of 2 O-shaped rubber rings with pre compressed magnitude as elastomer, to compensation sealing circle.It is this sealing have it is good from
Lubricity, anti-creep and corrosion resistance, and coefficient of friction is low.
Single cylinder cylinder double chamber hydragas spring of the present invention uses single cylinder cylinder, realizes the series connection of double hydro-pneumatic springs, simplifies oil gas
The structure of spring, reduces costs, while can lengthen the stroke of hydro-pneumatic spring cylinder, when so that heavy-duty vehicle rigidity is too big, still
Good buffering effect so may be implemented.
The specific work process of single cylinder cylinder double chamber hydragas spring of the present invention is:
When low-load, the upper hydro-pneumatic spring cylinder compression buffering downlink filled with low-pressure nitrogen, filled with oil gas bullet under high pressure nitrogen
Spring cylinder does not work at this time, and the lower hydro-pneumatic spring cylinder pressure filled with high pressure nitrogen is higher than upper hydro-pneumatic spring cylinder at this time.When load reaches
When certain value, the upper hydro-pneumatic spring cylinder buffering filled with low pressure is continued traveling downwardly, when reaching the high pressure nitrogen pressure of lower hydro-pneumatic spring cylinder,
At this point, hydro-pneumatic spring cylinder works together up and down, reach good buffering effect.
It is noted that embodiment described above is the affiliated technology neck to the illustrative and not limiting of technical solution of the present invention
The equivalent replacement of domain those of ordinary skill or other modifications made according to the prior art, as long as not exceeding the technology of the present invention side
The thinking and range of case, should be included within interest field of the presently claimed invention.
Claims (6)
1. a kind of single cylinder cylinder double chamber hydragas spring, it is characterised in that: including cylinder barrel, upper hydro-pneumatic spring and lower hydro-pneumatic spring, institute
State hydro-pneumatic spring and lower hydro-pneumatic spring for upper and lower serial mechanism setting, the upper hydro-pneumatic spring include upper piston rod, upper piston,
Floating piston and guide sleeve, the lower hydro-pneumatic spring include lower piston rod, lower piston and rear end cap,
Wherein, the upper piston rod, upper piston and floating piston are nested in cylinder barrel, and the lower piston rod and lower piston are nested in
In cylinder barrel, the upper piston rod is consistent with the outer diameter of lower piston rod, the outer diameter one of the upper piston, floating piston and lower piston
It causes；
The upper end of the cylinder barrel is provided with guide sleeve, and the guide sleeve is bolted to connection with cylinder barrel, under the cylinder barrel
End is provided with rear end cap, and the rear end cap is bolted to connection with cylinder barrel；
The bottom end of the floating piston and the tip contact of lower piston rod, the inner wall of cylinder are equipped with barrier point, and the floating is lived
It fills in and is abutted against with the upper surface of barrier point, the lower end surface of the lower piston and barrier point abuts against；
A chamber is formed between the guide sleeve and upper piston, and the first oil pocket is formed between the upper piston and floating piston, it is described floating
B chamber is formed between piston and lower piston, and the second oil pocket is formed between the lower piston and rear end cap；Cylinder barrel top side
It is provided with A chamber interface, the rear end cap side is provided with B chamber interface；
The A chamber passes through at least one check valve respectively and at least one damping hole is connected to the first oil pocket；
The B chamber passes through at least one check valve respectively and at least one damping hole is connected to the second oil pocket.
2. a kind of single cylinder cylinder double chamber hydragas spring according to claim 1, it is characterised in that: the upper piston rod with it is upper
Piston is integrally formed, and the lower piston rod and lower piston are integrally formed.
3. a kind of single cylinder cylinder double chamber hydragas spring according to claim 1, it is characterised in that: set on the upper piston rod
It is equipped with the first check valve, is provided with second one-way valve on the lower piston rod.
4. a kind of single cylinder cylinder double chamber hydragas spring according to claim 1, it is characterised in that: be arranged on the upper piston
There is the first damping hole, the second damping hole is provided on the lower piston.
5. a kind of single cylinder cylinder double chamber hydragas spring according to claim 1, it is characterised in that: the guide sleeve, upper work
The contact surface of plug, floating piston and lower piston and cylinder barrel is provided with sealing element.
6. a kind of single cylinder cylinder double chamber hydragas spring according to claim 5, it is characterised in that: the sealing element is that this is special
The slip-ring type combined sealing structure that envelope is constituted with elastic O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910492419.6A CN110206842A (en) | 2019-06-06 | 2019-06-06 | A kind of single cylinder cylinder double chamber hydragas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910492419.6A CN110206842A (en) | 2019-06-06 | 2019-06-06 | A kind of single cylinder cylinder double chamber hydragas spring |
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| Publication Number | Publication Date |
|---|---|
| CN110206842A true CN110206842A (en) | 2019-09-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910492419.6A Pending CN110206842A (en) | 2019-06-06 | 2019-06-06 | A kind of single cylinder cylinder double chamber hydragas spring |
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| Country | Link |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614942A (en) * | 2019-09-24 | 2019-12-27 | 郝骞 | Automobile beam chair device with energy storage buffer structure |
| CN110617294A (en) * | 2019-09-30 | 2019-12-27 | 江苏军宏机械有限公司 | Hydraulic tension hydro-pneumatic spring oil cylinder |
| CN111439648A (en) * | 2020-04-18 | 2020-07-24 | 青岛科技大学 | A kind of high-rise elevator accidental fall protection device and working method |
| CN112431885A (en) * | 2020-11-16 | 2021-03-02 | 广州市完美车业有限公司 | Double-air-chamber air spring |
| CN113007263A (en) * | 2021-03-09 | 2021-06-22 | 机械工业第九设计研究院有限公司 | Buffer device |
| CN113565915A (en) * | 2021-08-09 | 2021-10-29 | 烟台星辉航空液压有限公司 | Four-cavity oil gas buffering structure |
| CN113958636A (en) * | 2021-10-27 | 2022-01-21 | 山东雷帕得汽车技术股份有限公司 | Hydro-pneumatic suspension composite guide sleeve |
| CN114033825A (en) * | 2021-12-02 | 2022-02-11 | 深圳市铭昊五金模具有限公司 | A nitrogen gas spring with self-lubricating function |
| CN114906762A (en) * | 2021-02-08 | 2022-08-16 | 林英炜 | Overhead travelling crane capable of realizing dynamic impact excavation and static gravity excavation of grab bucket and complete machine thereof |
| CN115013465A (en) * | 2022-07-01 | 2022-09-06 | 北京汽车集团越野车有限公司 | Adjustable energy accumulator assembly and vehicle with same |
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2019
- 2019-06-06 CN CN201910492419.6A patent/CN110206842A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614942A (en) * | 2019-09-24 | 2019-12-27 | 郝骞 | Automobile beam chair device with energy storage buffer structure |
| CN110617294A (en) * | 2019-09-30 | 2019-12-27 | 江苏军宏机械有限公司 | Hydraulic tension hydro-pneumatic spring oil cylinder |
| CN111439648A (en) * | 2020-04-18 | 2020-07-24 | 青岛科技大学 | A kind of high-rise elevator accidental fall protection device and working method |
| CN111439648B (en) * | 2020-04-18 | 2023-09-08 | 青岛科技大学 | A kind of high-rise elevator accidental fall protection device and working method |
| CN112431885A (en) * | 2020-11-16 | 2021-03-02 | 广州市完美车业有限公司 | Double-air-chamber air spring |
| CN114906762A (en) * | 2021-02-08 | 2022-08-16 | 林英炜 | Overhead travelling crane capable of realizing dynamic impact excavation and static gravity excavation of grab bucket and complete machine thereof |
| CN113007263A (en) * | 2021-03-09 | 2021-06-22 | 机械工业第九设计研究院有限公司 | Buffer device |
| CN113565915A (en) * | 2021-08-09 | 2021-10-29 | 烟台星辉航空液压有限公司 | Four-cavity oil gas buffering structure |
| CN113958636A (en) * | 2021-10-27 | 2022-01-21 | 山东雷帕得汽车技术股份有限公司 | Hydro-pneumatic suspension composite guide sleeve |
| CN114033825A (en) * | 2021-12-02 | 2022-02-11 | 深圳市铭昊五金模具有限公司 | A nitrogen gas spring with self-lubricating function |
| CN114033825B (en) * | 2021-12-02 | 2025-02-07 | 深圳市铭昊五金模具有限公司 | A nitrogen spring with self-lubricating function |
| CN115013465A (en) * | 2022-07-01 | 2022-09-06 | 北京汽车集团越野车有限公司 | Adjustable energy accumulator assembly and vehicle with same |
| CN115013465B (en) * | 2022-07-01 | 2024-04-12 | 北京汽车集团越野车有限公司 | Adjustable energy accumulator assembly and vehicle with same |
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