CN108869618A - Multistage synchronizes self-locking gas spring - Google Patents
Multistage synchronizes self-locking gas spring Download PDFInfo
- Publication number
- CN108869618A CN108869618A CN201810925265.0A CN201810925265A CN108869618A CN 108869618 A CN108869618 A CN 108869618A CN 201810925265 A CN201810925265 A CN 201810925265A CN 108869618 A CN108869618 A CN 108869618A
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- CN
- China
- Prior art keywords
- level
- piston
- needle
- piston rod
- bar
- Prior art date
- 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.)
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Classifications
-
- 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
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0281—Details
-
- 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
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0236—Telescopic characterised by having 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
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0245—Means for adjusting the length of, or for locking, the spring or dampers
-
- 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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/046—Fluids pneumatic
Abstract
The present invention relates to a kind of multistages to synchronize self-locking gas spring, more integrated more piece synchronization structures are combined by the design of multi-level piston bar, use first stage piston bar as the cylinder barrel of second piston rod, cylinder barrel of the second piston rod as three-level piston rod, and so on, in compression process, piston rods at different levels can be compressed into level-one cylinder barrel, with this compression cylinder tube length degree, increase the distance of stroke, changes the technological deficiency that stroke of the product in this field is less than cylinder barrel length.
Description
Technical field
The present invention relates to gas spring fields, and in particular to a kind of multistage synchronizes self-locking gas spring.
Background technique
Gas spring is widely used in aviation, automobile, medical instruments field, furniture, manufacturing industry, industrial automatic control etc.
Field.Existing market supplies self-locking gas spring, in structure, because having piston seal etc. inside its cylinder barrel, occupies position in cylinder barrel
It sets, so stroke is all not more than cylinder barrel length, causes the waste in its structure.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of multistages to synchronize self-locking gas spring.Realize gas spring
The big ratio and super large ratio of minimum centers-distance and maximum distance between centers make stroke length be greater than cylinder barrel length, meet specified conditions
The use of particular surroundings.
The technical solution adopted by the present invention is that：A kind of multistage synchronizes self-locking gas spring, including starting bar, second piston rod,
First stage piston bar, second level guide sleeve, the straight outside framework oil seal of second level, second level separation sleeve, second piston, second level needle-valve, level-one cylinder barrel, one
Grade guide sleeve, the straight outside framework oil seal of level-one, level-one separation sleeve, first stage piston, level-one needle-valve and Caudal connectors；The first stage piston
Bar is fixed with first stage piston, sets gradually the straight bone of level-one separation sleeve, level-one between first stage piston bar and level-one cylinder barrel from inside to outside
Frame oil sealing and level-one guide sleeve；The first stage piston bar is hollow rod body, and the center that level-one needle-valve passes through first stage piston stretches to
In first stage piston bar, and the contact position of level-one needle-valve and first stage piston and first stage piston bar is equipped with sealing ring；The level-one is living
Second piston rod is installed, as the cylinder barrel of second piston rod, between second piston rod and the inner wall of first stage piston bar in stopper rod
The straight outside framework oil seal of second level separation sleeve, second level and second level guide sleeve are set gradually from inside to outside；The second piston rod is hollow stem
Body, inner end and second piston are connected, and outer end extend out to the outside of first stage piston bar and is equipped with starting bar；Second level needle-valve passes through two
The center of grade piston stretches in second piston rod, and second level needle-valve is arranged close with the contact position of second piston and second piston rod
Seal；The inner wall contact position of second piston and first stage piston bar is equipped with sealing ring.
The tail portion of the level-one cylinder barrel is fixed with Caudal connectors.
The level-one cylinder barrel, first stage piston bar port be respectively provided with closing in.
The piston rod can be set as multistage according to demand, cylinder barrel of every level-one piston rod as next stage piston rod,
It can finally be collapsible into level-one cylinder barrel.
The piston rod is set as 2 ~ 5 grades.
The beneficial effects of the invention are as follows：A kind of multistage synchronizes self-locking gas spring, is combined by the design of multi-level piston bar
More one more piece synchronization structures, use first stage piston bar as the cylinder barrel of second piston rod, second piston rod is as three-level piston rod
Cylinder barrel, and so on, in compression process, piston rods at different levels can be compressed into level-one cylinder barrel, with this compression cylinder tube length degree,
The distance for increasing stroke changes the technological deficiency that stroke of the product in this field is less than cylinder barrel length.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that multistage synchronizes self-locking gas spring.
In figure, 1. starting bars, 2. second piston rods, 3. first stage piston bars, 4. second level guide sleeves, the straight skeleton oil of 5. second levels
Envelope, 6. second level separation sleeves, 7. second pistons, 8. second level needle-valves, 9. level-one cylinder barrels, 10. level-one guide sleeves, the straight skeleton of 11. level-ones
Oil sealing, 12. level-one separation sleeves, 13. first stage pistons, 14. level-one needle-valves, 15. Caudal connectors.
Specific embodiment
As shown in Figure 1, a kind of multistage synchronizes self-locking gas spring, including starting bar 1, second piston rod 2, first stage piston bar 3,
The straight outside framework oil seal 5 of second level guide sleeve 4, second level, second level separation sleeve 6, second piston 7, second level needle-valve 8, level-one cylinder barrel 9, level-one are led
To set 10, the straight outside framework oil seal 11 of level-one, level-one separation sleeve 12, first stage piston 13, level-one needle-valve 14 and Caudal connectors 15；It is described
First stage piston bar 3 is fixed with first stage piston 13, set gradually from inside to outside between first stage piston bar 3 and level-one cylinder barrel 9 level-one every
From set 12, the straight outside framework oil seal 11 of level-one and level-one guide sleeve 10；The first stage piston bar 3 is hollow rod body, and level-one needle-valve 14 is worn
The center for crossing first stage piston 13 stretches in first stage piston bar 3, and level-one needle-valve 14 and first stage piston 13 and first stage piston bar 3
Contact position be equipped with sealing ring；Second piston rod 2 is installed in the first stage piston bar 3, as the cylinder barrel of second piston rod 2,
The straight outside framework oil seal 5 of second level separation sleeve 6, second level is set gradually between second piston rod 2 and the inner wall of first stage piston bar 3 from inside to outside
With second level guide sleeve 4；The second piston rod 2 is hollow rod body, and inner end and second piston 7 are connected, and it is living that outer end extend out to level-one
The outside of stopper rod 3 is simultaneously equipped with starting bar 1；The center that second level needle-valve 8 passes through second piston 7 stretches in second piston rod 2, and two
Sealing ring is arranged in the contact position of grade needle-valve 8 and second piston 7 and second piston rod 2；Second piston 7 and first stage piston bar 3
Inner wall contact position is equipped with sealing ring.
The tail portion of the level-one cylinder barrel 9 is fixed with Caudal connectors 15.
The level-one cylinder barrel 9, first stage piston bar 3 port be respectively provided with closing in.
The piston rod can be set as multistage according to demand, cylinder barrel of every level-one piston rod as next stage piston rod,
It can finally be collapsible into level-one cylinder barrel 9.
The piston rod is set as 2 ~ 5 grades.
Design principle of the invention is：For the stroke for meeting big ratio or super large ratio, meeting stretching, extension center away from before
It puts, reduces the length of cylinder barrel as far as possible, make its spread length much larger than reduction length, according to this principle, designer's setting
Multi-level piston bar, and piston rod is used as the cylinder barrel of next stage piston rod, and multi-level piston bar is retracted in first order cylinder barrel, with
This compression cylinder tube length degree solves the technical pattern demand of big stroke or super large stroke to meet big ratio or super large ratio value.
Embodiment
Multistage synchronizes self-locking gas spring, the diameter 28cm of level-one cylinder barrel 9, wall thickness 1.5cm, long 200cm, first stage piston 13
Length+seal length=35cm, range=200-35=165cm, the diameter 15cm of first stage piston bar 3, wall thickness 1cm are long
200cm, the length of second piston 7 is close+sealing length=24cm, range=200-24=176cm, two-stage stroke 165+176
=341cm.Thus it should be the sum of strokes at different levels that multistage stroke, which can be released, and embodiment is that starting bar 1 is compressed by external force, push
8 right lateral of second level needle-valve opens damping hole, the right lateral by external force of second piston 7, due to damping action, the cavity pressure on 7 right side of piston
Increase, since 14 left end of level-one needle-valve has installed first stage piston 13 additional, to compress 14 right lateral of needle-valve, opens level-one damping access.
Make the right lateral synchronous with second piston 7 of first stage piston 13.When returning the external force on starting bar 1, second level needle-valve 8 resets, second piston 7
Stop, level-one needle-valve 14 is closed, and first stage piston 13 stops, and it is self-locking to achieve the purpose that multistage synchronizes.It, need to be sealings at different levels when implementation
External seal is tight in system, must not there is leakage.
Claims (6)
1. a kind of multistage synchronizes self-locking gas spring, which is characterized in that including starting bar, second piston rod, first stage piston bar, second level
The straight outside framework oil seal of guide sleeve, second level, second level separation sleeve, second piston, second level needle-valve, level-one cylinder barrel, level-one guide sleeve, level-one are straight
Outside framework oil seal, level-one separation sleeve, first stage piston, level-one needle-valve and Caudal connectors；It is living that the first stage piston bar is fixed with level-one
Plug, sets gradually the straight outside framework oil seal of level-one separation sleeve, level-one from inside to outside and level-one is led between first stage piston bar and level-one cylinder barrel
To set；The first stage piston bar is hollow rod body, and the center that level-one needle-valve passes through first stage piston stretches in first stage piston bar, and
The contact position of level-one needle-valve and first stage piston and first stage piston bar is equipped with sealing ring；Second level is installed in the first stage piston bar
Piston rod is set gradually between second piston rod and the inner wall of first stage piston bar from inside to outside as the cylinder barrel of second piston rod
The straight outside framework oil seal of second level separation sleeve, second level and second level guide sleeve；The second piston rod is hollow rod body, inner end and second piston
It is connected, outer end extend out to the outside of first stage piston bar and is equipped with starting bar；The center that second level needle-valve passes through second piston is protruded into
To second piston rod, the contact position setting sealing ring of second level needle-valve and second piston and second piston rod；Second piston with
The inner wall contact position of first stage piston bar is equipped with sealing ring.
2. a kind of multistage according to claim 1 synchronizes self-locking gas spring, which is characterized in that the tail portion of the level-one cylinder barrel
It is fixed with Caudal connectors.
3. a kind of multistage according to claim 1 synchronizes self-locking gas spring, which is characterized in that the level-one cylinder barrel, level-one
The port of piston rod is respectively provided with closing in.
4. a kind of multistage according to claim 1 synchronizes self-locking gas spring, which is characterized in that the piston rod being capable of basis
Demand is set as multistage, and cylinder barrel of every level-one piston rod as next stage piston rod can be finally collapsible into level-one cylinder barrel.
5. a kind of multistage according to claim 4 synchronizes self-locking gas spring, which is characterized in that the piston rod is set as 2 ~
5 grades.
6. utilizing the application method of self-locking gas spring described in claim 1 ~ 5 any one claim, which is characterized in that open
Lever is compressed by external force, is pushed second level needle-valve right lateral, is opened damping hole, second piston right lateral by external force, due to damping action,
Cavity pressure on the right side of piston increases；Since level-one needle-valve left end has installed first stage piston additional, to compress needle-valve right lateral, level-one is opened
Access is damped, first stage piston right lateral synchronous with second piston is made；When returning the external force on starting bar, second level needle-valve resets, second level
Piston stops, and level-one needle-valve is closed, and first stage piston stops, and it is self-locking to achieve the purpose that multistage synchronizes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925265.0A CN108869618A (en) | 2018-08-14 | 2018-08-14 | Multistage synchronizes self-locking gas spring |
| PCT/CN2018/124864 WO2020034551A1 (en) | 2018-08-14 | 2018-12-28 | Self-locking synchronized multi-stage gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925265.0A CN108869618A (en) | 2018-08-14 | 2018-08-14 | Multistage synchronizes self-locking gas spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869618A true CN108869618A (en) | 2018-11-23 |
Family
ID=64318959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810925265.0A Withdrawn CN108869618A (en) | 2018-08-14 | 2018-08-14 | Multistage synchronizes self-locking gas spring |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108869618A (en) |
| WO (1) | WO2020034551A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020034551A1 (en) * | 2018-08-14 | 2020-02-20 | 江苏睿博工业科技有限公司 | Self-locking synchronized multi-stage gas spring |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19827657A1 (en) * | 1998-06-22 | 1999-12-23 | Suspa Compart Ag | Adjustable gas spring |
| CN2704720Y (en) * | 2004-07-07 | 2005-06-15 | 施与秋 | Gasbag air springs |
| DE102008061213A1 (en) * | 2008-12-09 | 2010-06-10 | Suspa Holding Gmbh | Length adjustable gas spring |
| CN205190616U (en) * | 2015-11-25 | 2016-04-27 | 南京江凯汽车零部件有限公司 | Air spring of multilevel hierarchy |
| CN107387642A (en) * | 2017-08-11 | 2017-11-24 | 岳彩立 | It is a kind of ensure stroke lock gas spring |
| CN108869618A (en) * | 2018-08-14 | 2018-11-23 | 江苏睿博工业科技有限公司 | Multistage synchronizes self-locking gas spring |
-
2018
- 2018-08-14 CN CN201810925265.0A patent/CN108869618A/en not_active Withdrawn
- 2018-12-28 WO PCT/CN2018/124864 patent/WO2020034551A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020034551A1 (en) * | 2018-08-14 | 2020-02-20 | 江苏睿博工业科技有限公司 | Self-locking synchronized multi-stage gas spring |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020034551A1 (en) | 2020-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181123 |
|
| WW01 | Invention patent application withdrawn after publication |