CN109990034A - A kind of three section controllable gas springs - Google Patents
A kind of three section controllable gas springs Download PDFInfo
- Publication number
- CN109990034A CN109990034A CN201711468172.1A CN201711468172A CN109990034A CN 109990034 A CN109990034 A CN 109990034A CN 201711468172 A CN201711468172 A CN 201711468172A CN 109990034 A CN109990034 A CN 109990034A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- sealing
- guiding mechanism
- movable
- separator
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 179
- 239000010959 steel Substances 0.000 claims abstract description 179
- 238000007789 sealing Methods 0.000 claims abstract description 126
- 239000007789 gas Substances 0.000 claims description 41
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 abstract description 12
- 239000003921 oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/062—Bi-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
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- 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
- F16F9/362—Combination of sealing and guide arrangements for piston rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to a kind of three section controllable gas springs, including the first steel pipe, the second steel pipe, rear envelope, first order sealing guiding mechanism, movable steel pipe, second level sealing guiding mechanism, piston rod and floating ring；Second steel pipe seals guiding mechanism fixation by the rear envelope and the first order and is suspended in first steel pipe, switch thimble is equipped with after described in envelope, one end of the movable steel pipe, which slides axially, seals guiding mechanism across the first order, and one end of the piston rod, which slides axially, seals guiding mechanism across the second level；The floating ring sliding sleeve is filled with compressed gas in the cavity between the floating ring and first order sealing guiding mechanism on the outer wall of second steel pipe, is filled with hydraulic oil in the cavity between the floating ring and the rear envelope.Three section controllable gas springs of one kind of the invention are to push away oily working principle according to gas, because gas pressure is small, to cause the accident, use is safe even if being broken.
Description
Technical field
The present invention relates to a kind of springs, and in particular to a kind of three section controllable gas springs.
Background technique
Gas spring is mainly used in bar chair, office chair, on executive chair.Some gas springs every time stretch can only whole process stretch
Contracting, cannot stop in any distance；In addition, there are also the gas valve of the gas spring things out of control for causing breakdown chair bottom to hurt sb.'s feelings
Part, use are dangerous.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of three section controllable gas springs, can control and stop in any distance
It stays and using safe.
The technical scheme to solve the above technical problems is that a kind of three section controllable gas springs, including the first steel pipe,
Second steel pipe, rear envelope, first order sealing guiding mechanism, movable steel pipe, second level sealing guiding mechanism, piston rod and floating ring；
Second steel pipe seals guiding mechanism fixation by the rear envelope and the first order and is suspended in first steel pipe, and the rear envelope
It is individually enclosed in the tail end of first steel pipe and the tail end of second steel pipe, the first order sealing guiding mechanism seals respectively
Mounted in the top of first steel pipe and the top of second steel pipe, the outer wall of second steel pipe and first steel pipe
Cavity is formed between inner wall；Switch thimble is equipped with after described in envelope, and in the switch dome needle open, second steel pipe
Tail end be connected to the cavity；One end of the movable steel pipe, which slides axially, seals guiding mechanism across the first order,
And be located in second steel pipe and be connected to second steel pipe, the other end of the movable steel pipe is located at second steel pipe
Outside, and the movable steel pipe is located at one end outside second steel pipe and seals guiding mechanism equipped with the second level；The piston rod
One end slide axially across the second level seal guiding mechanism, and be located at the movable steel pipe in；The floating ring is sliding
It is dynamic to be sleeved on the outer wall of second steel pipe, and the floating ring is bonded with the sliding of the inner wall of first steel pipe；Positioned at institute
It states in the cavity between floating ring and first order sealing guiding mechanism filled with compressed gas, is located at the floating ring and institute
Hydraulic oil is filled in cavity after stating between envelope.
Based on the above technical solution, the present invention can also be improved as follows.
Further, package includes the first sealing block and the second sealing block after described, and second sealing block is layered in described the
It is integrally formed on one sealing block and with first sealing block, the shape and size of first sealing block and first steel pipe
The shape and size of tail end match, the shape of the tail end of the shape and size of second sealing block and second steel pipe
Match with size, first sealing block is sealingly mounted at the tail end of first steel pipe, the second sealing block sealing peace
Mounted in the tail end of second steel pipe, first sealing block and the second sealing block are equipped with through-hole, described to switch the one of thimble
End slides through the through-hole and is located in second steel pipe and can block or open the through-hole, the through-hole and the sky
It is equipped with communicating passage between chamber, is interconnected between the through-hole and the cavity by the communicating passage.
Further, between the switch thimble and first sealing block be equipped with the first sealing ring, the switch thimble and
The second sealing ring is equipped between second sealing block, the junction of the through-hole and the communicating passage is close positioned at described first
Between seal and second sealing ring；Third sealing ring is equipped between first sealing block and first steel pipe, it is described
The 4th sealing ring is equipped between second sealing block and second steel pipe.
Further, first order sealing guiding mechanism includes separator and the first guide sleeve, and the separator is with axis hole
Boss structure, the plush copper of the separator is inlayed is mounted in the top of second steel pipe, and the separator stage body
Side is bonded with the inner sealing of first steel pipe, and first guide sleeve is mounted on the top of first steel pipe and abuts
The separator, and the pilot hole of first guide sleeve is connected with the axis hole of the separator；The one of the movable steel pipe
End sequentially passes through the pilot hole of first guide sleeve and the axis hole of the separator and is located in second steel pipe, the work
First piston is additionally provided on one end that dynamic steel pipe is located in second steel pipe.
Further, the 5th sealing ring is equipped between the plush copper of the separator and second steel pipe, the separator
It is equipped with the 6th sealing ring between stage body and the movable steel pipe, the 7th is equipped between first guide sleeve and first steel pipe
Sealing ring, between the first piston and second steel pipe be equipped with the 8th sealing ring, the pilot hole of first guide sleeve with
The connectivity part of the axis hole of the separator is equipped with sealing element.
Further, the second level sealing guiding mechanism includes the second guide sleeve, and second guide sleeve is mounted on described
Movable steel pipe is located on one end outside second steel pipe, and one end of the piston rod slides axially across second guiding
Set, and be located in the movable steel pipe, second piston is additionally provided on one end that the piston rod is located in the movable steel pipe.
Further, third piston is additionally provided in the movable steel pipe, the third piston is slidably mounted on the movable steel
In pipe, the 9th sealing ring, the third piston and the movable steel pipe are equipped between the second piston and the movable steel pipe
Between be equipped with the tenth sealing ring.
Further, between the floating ring and second steel pipe be equipped with the 11st sealing ring, the floating ring with it is described
The 12nd sealing ring is equipped between first steel pipe.
Further, the compressed gas is nitrogen.
The beneficial effects of the present invention are: the present invention three section controllable gas springs of one kind are the working principles that oil is pushed away according to gas,
When switch dome needle open, floating ring is pushed by compressed gas, floating ring pushes hydraulic oil, and hydraulic oil pushes movable steel pipe and work
Stopper rod realizes that two sections stretch out；When switch dome needle open, when piston rod and movable steel pipe are pushed by external force, movable steel pipe and work
Stopper rod will push hydraulic oil, and hydraulic oil pushes floating ring, and floating ring pushes compressed gas compression, realize the retraction of two sections；Movable steel
Pipe and piston rod activity arrive any position when, pass open thimble closing can make movable steel pipe and piston rod stop it is self-locking；In addition,
Even if a kind of controllable gas spring of the present invention is broken, because gas pressure is small, will not cause the accident, use is safe.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of controllable gas spring of the present invention；
Fig. 2 is a kind of tail portion enlarged structure schematic diagram of controllable gas spring of the present invention；
Fig. 3 is a kind of middle part enlarged structure schematic diagram of controllable gas spring of the present invention；
Fig. 4 is a kind of top enlarged structure schematic diagram of controllable gas spring of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, the first steel pipe, the 2, second steel pipe, 3, movable steel pipe, 4, piston rod, 5, floating ring, 6, switch thimble, 7, compression
Gas, 8, hydraulic oil, the 9, first sealing block, the 10, second sealing block, 11, through-hole, 12, communicating passage, 13, first seal,
14, second seal, 15, third sealing element, the 16, the 4th sealing element, 17, separator, the 18, first guide sleeve, 19, first is living
Plug, the 20, the 5th sealing ring, the 21, the 6th sealing ring, the 22, the 7th sealing ring, the 23, the 8th sealing ring, 24, sealing element, 25, second
Guide sleeve, 26, second piston, 27, third piston, the 28, the 9th sealing ring, the 29, the tenth sealing ring, the 30, the 11st sealing ring,
31, the 12nd sealing ring.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of three section controllable gas springs, including the first steel pipe 1, the second steel pipe 2, after
Envelope, first order sealing guiding mechanism, movable steel pipe 3, second level sealing guiding mechanism, piston rod 4 and floating ring 5；Described second
Steel pipe 2 seals guiding mechanism fixation by the rear envelope and the first order and is suspended in first steel pipe 1, and the rear envelope is sealed respectively
Mounted in the tail end of first steel pipe 1 and the tail end of second steel pipe 2, the first order sealing guiding mechanism is individually enclosed in
The top on the top of first steel pipe 1 and second steel pipe 2, the outer wall of second steel pipe 2 and first steel pipe 1
Cavity is formed between inner wall；Switch thimble 6 is equipped with after described in envelope, and when the switch thimble 6 is opened, second steel
The tail end of pipe 2 is connected to the cavity；One end of the movable steel pipe 3, which slides axially, seals Guiding machine across the first order
Structure, and be located in second steel pipe 2 and be connected to second steel pipe 2, the other end of the movable steel pipe 3 is positioned at described the
Outside two steel pipes 2, and the movable steel pipe 3 is located at one end outside second steel pipe 2 and seals guiding mechanism equipped with the second level；Institute
The one end for stating piston rod 4, which slides axially, seals guiding mechanism across the second level, and is located in the movable steel pipe 3；Institute
5 sliding sleeve of floating ring is stated on the outer wall of second steel pipe 2, and the inner wall of the floating ring 5 and first steel pipe 1 is sliding
Dynamic fitting；Compressed gas 7, position are filled in cavity between the floating ring 5 and first order sealing guiding mechanism
Hydraulic oil 8 is filled in cavity between the floating ring 5 and the rear envelope.
It is specific:
Package includes the first sealing block 9 and the second sealing block 10 after described, and second sealing block 10 is layered in described first
It is integrally formed on sealing block 9 and with first sealing block 9, the shape and size of first sealing block 9 and first steel
The shape and size of the tail end of pipe 1 match, the tail end of the shape and size of second sealing block 10 and second steel pipe 2
Shape and size match, first sealing block 9 is sealingly mounted at the tail end of first steel pipe 1, second sealing
Block 10 is sealingly mounted at the tail end of second steel pipe 2, and first sealing block 9 and the second sealing block 10 are equipped with through-hole 11,
One end of the switch thimble 6 slides through the through-hole 11 and is located in second steel pipe 2 and can block or open described
Through-hole 11 is equipped with communicating passage 12, passes through institute between the through-hole 11 and the cavity between the through-hole 11 and the cavity
Communicating passage 12 is stated to be interconnected.
The first sealing ring 13, the switch thimble 6 and institute are equipped between the switch thimble 6 and first sealing block 9
It states and is equipped with the second sealing ring 14 between the second sealing block 10, the junction of the through-hole 11 and the communicating passage 12 is located at described
Between first sealing ring 13 and second sealing ring 14；Third is equipped between first sealing block 9 and first steel pipe 1
Sealing ring 15 is equipped with the 4th sealing ring 16 between second sealing block 10 and second steel pipe 2.
First order sealing guiding mechanism includes separator 17 and the first guide sleeve 18, and the separator 17 is with axis hole
Boss structure, the plush copper of the separator 17, which is inlayed, to be mounted in the top of second steel pipe 2, and 17 stage body of the separator
Side be bonded with the inner sealing of first steel pipe 1, first guide sleeve 18 is mounted on the top of first steel pipe 1
And the separator 17 is abutted, and the pilot hole of first guide sleeve 18 is connected with the axis hole of the separator 17；It is described
One end of movable steel pipe 3 sequentially passes through the pilot hole of first guide sleeve 18 and the axis hole of the separator 17 and is located at described
Second steel 2 is additionally provided with first piston 19 on one end that the movable steel pipe 3 is located in second steel pipe 2 in managing.
The 5th sealing ring 20 is equipped between the plush copper of the separator 17 and second steel pipe 2, the separator 17
It is equipped with the 6th sealing ring 21 between stage body and the movable steel pipe 3, is set between first guide sleeve 18 and first steel pipe 1
There is the 7th sealing ring 22, the 8th sealing ring 23, first guiding are equipped between the first piston 19 and second steel pipe 2
The connectivity part of the axis hole of the pilot hole and separator 17 of set 18 is equipped with sealing element 24.
The second level sealing guiding mechanism includes the second guide sleeve 25, and second guide sleeve 25 is mounted on the activity
Steel pipe 3 is located on one end outside second steel pipe 2, and one end of the piston rod 4 slides axially across second guiding
Set 25, and be located in the movable steel pipe 3, it is living that second is additionally provided on one end that the piston rod 4 is located in the movable steel pipe 3
Plug 26.
Third piston 27 is additionally provided in the movable steel pipe 3, the third piston 27 is slidably mounted on the movable steel pipe 3
It is interior, the 9th sealing ring 28, the third piston 27 and the activity are equipped between the second piston 26 and the movable steel pipe 3
The tenth sealing ring 29 is equipped between steel pipe 3.
It is equipped with the 11st sealing ring 30 between the floating ring 5 and second steel pipe 2, the floating ring 5 and described the
The 12nd sealing ring 31 is equipped between one steel pipe 1.
The compressed gas 7 is nitrogen.
The operation principle of the present invention is that: the present invention three section controllable gas springs of one kind are the working principles that oil is pushed away according to gas.
It is specific: (assuming that original state is contraction state) in the initial state, when switching the opening of thimble 6, the tail end of the second steel pipe 2
It is connected to cavity, the pressure of compressed gas 7 pushes floating ring 5, and floating ring 5 pushes hydraulic oil 8 to be flowed into hydraulic oil 8 from cavity
In second steel pipe 2, at this point, the oil pressure in the second steel pipe 2 increases, to push first piston 19, and then pushed away by first piston 19
Dynamic movable steel pipe 3 stretches out；Since the second steel pipe 2 is connected to movable steel pipe 3, when the oil pressure in the second steel pipe 2 increases, liquid
Pressure oil 8 can be also flowed into movable steel pipe 3 from the second steel pipe 2, and the oil pressure in movable steel pipe 3 increases successively to push third living
Plug 27 and second piston 26, and then piston rod 4 is pushed to stretch out；It is final to realize that two sections stretch out.When needing to make piston rod 4 and movable steel
When pipe 3 is shunk, switch thimble 6 is opened, and piston rod 4 and movable steel pipe 3 are pushed by external force, and second piston 26, third can be driven living
Plug 27 and first piston 19 move and push hydraulic oil 8, and then push floating ring 5 by hydraulic oil 8, and floating ring 5 pushes compressed gas
Body 7 compresses, and realizes the retraction of two sections.When any position is arrived in movable steel pipe 3 and 4 activity of piston rod, the closing of thimble 6 is opened in pass to be made
Movable steel pipe 3 and piston rod 4 stop self-locking；In addition, even if a kind of controllable gas spring of the present invention is broken, because gas pressure is small, no
It will cause accident, use is safe.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of three section controllable gas springs, it is characterised in that: including the first steel pipe, the second steel pipe, rear envelope, first order sealing guiding
Mechanism, movable steel pipe, second level sealing guiding mechanism, piston rod and floating ring；Second steel pipe passes through envelope after described and the
The fixation of primary seal guiding mechanism is suspended in first steel pipe, and the rear envelope is individually enclosed in the tail end of first steel pipe
With the tail end of second steel pipe, first order sealing guiding mechanism is individually enclosed in the top of first steel pipe and described
The top of second steel pipe is formed with cavity between the outer wall of second steel pipe and the inner wall of first steel pipe；Envelope after described
In be equipped with switch thimble, and in the switch dome needle open, the tail end of second steel pipe is connected to the cavity；The work
One end of dynamic steel pipe, which slides axially, seals guiding mechanism across the first order, and be located in second steel pipe and with it is described
The connection of second steel pipe, the other end of the movable steel pipe is located at outside second steel pipe, and the movable steel pipe is positioned at described the
One end outside two steel pipes is equipped with the second level and seals guiding mechanism；One end of the piston rod slides axially across described second
Grade sealing guiding mechanism, and be located in the movable steel pipe；The floating ring sliding sleeve is mounted on the outer wall of second steel pipe,
And the floating ring is bonded with the sliding of the inner wall of first steel pipe；Guiding machine is sealed positioned at the floating ring and the first order
Compressed gas is filled in cavity between structure, filled with hydraulic in the cavity between the floating ring and the rear envelope
Oil.
2. a kind of three sections controllable gas spring according to claim 1, it is characterised in that: package includes the first sealing block after described
With the second sealing block, second sealing block is layered on first sealing block and is integrally formed with first sealing block,
The shape and size of first sealing block and the shape and size of the tail end of first steel pipe match, second sealing
The shape and size of block and the shape and size of the tail end of second steel pipe match, and first sealing block is sealingly mounted at
The tail end of first steel pipe, second sealing block are sealingly mounted at the tail end of second steel pipe, first sealing block
It is equipped with through-hole with the second sealing block, one end of the switch thimble slides through the through-hole and is located in second steel pipe
And the through-hole can be blocked or opened, communicating passage, the through-hole and the cavity are equipped between the through-hole and the cavity
Between by the communicating passage be interconnected.
3. a kind of three sections controllable gas spring according to claim 2, it is characterised in that: the switch thimble and described first
It is equipped with the first sealing ring between sealing block, the second sealing ring is equipped between the switch thimble and second sealing block, it is described
The junction of through-hole and the communicating passage is between first sealing ring and second sealing ring；First sealing
It is equipped with third sealing ring between block and first steel pipe, it is close that the 4th is equipped between second sealing block and second steel pipe
Seal.
4. a kind of three sections controllable gas spring according to any one of claims 1 to 3, it is characterised in that: first order sealing is led
It include separator and the first guide sleeve to mechanism, the separator is the boss structure with axis hole, the plush copper of the separator
It inlays and is mounted in the top of second steel pipe, and the inner sealing of the side of the separator stage body and first steel pipe
Fitting, first guide sleeve is mounted on the top of first steel pipe and abuts the separator, and first guide sleeve
Pilot hole be connected with the axis hole of the separator；One end of the movable steel pipe sequentially passes through leading for first guide sleeve
The axis hole of separator described in Xiang Konghe is simultaneously located in second steel pipe, and the movable steel pipe is located at one in second steel pipe
First piston is additionally provided on end.
5. according to three section controllable gas spring of one kind described in right 4, it is characterised in that: the plush copper of the separator and described second
It is equipped with the 5th sealing ring between steel pipe, the 6th sealing ring is equipped between the stage body of the separator and the movable steel pipe, it is described
It is equipped with the 7th sealing ring between first guide sleeve and first steel pipe, is equipped between the first piston and second steel pipe
The connectivity part of 8th sealing ring, the axis hole of the pilot hole and separator of first guide sleeve is equipped with sealing element.
6. a kind of three sections controllable gas spring according to any one of claims 1 to 3, it is characterised in that: the second level is close
Sealing guiding mechanism includes the second guide sleeve, and second guide sleeve is mounted on the movable steel pipe and is located at outside second steel pipe
On one end, one end of the piston rod slides axially across second guide sleeve, and is located in the movable steel pipe, described
Second piston is additionally provided on one end that piston rod is located in the movable steel pipe.
7. a kind of three sections controllable gas spring according to claim 6, it is characterised in that: be additionally provided in the movable steel pipe
Three pistons, the third piston are slidably mounted in the movable steel pipe, set between the second piston and the movable steel pipe
There is the 9th sealing ring, the tenth sealing ring is equipped between the third piston and the movable steel pipe.
8. a kind of three sections controllable gas spring according to any one of claims 1 to 3, it is characterised in that: the floating ring with
It is equipped with the 11st sealing ring between second steel pipe, the 12nd sealing is equipped between the floating ring and first steel pipe
Circle.
9. a kind of three sections controllable gas spring according to any one of claims 1 to 3, it is characterised in that: the compressed gas
For nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468172.1A CN109990034B (en) | 2017-12-29 | 2017-12-29 | Three-section controllable gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468172.1A CN109990034B (en) | 2017-12-29 | 2017-12-29 | Three-section controllable gas spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990034A true CN109990034A (en) | 2019-07-09 |
| CN109990034B CN109990034B (en) | 2024-04-02 |
Family
ID=67109360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711468172.1A Active CN109990034B (en) | 2017-12-29 | 2017-12-29 | Three-section controllable gas spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990034B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749357A (en) * | 2008-12-09 | 2010-06-23 | 江苏明星减震器有限公司 | Floating ring |
| CN202768705U (en) * | 2012-07-27 | 2013-03-06 | 奉化市仁龙机械有限公司 | Balance-type gas spring |
| CN103352958A (en) * | 2013-07-02 | 2013-10-16 | 太原理工大学 | Buffer device of hydraulic cylinder |
| JP6198926B1 (en) * | 2016-12-19 | 2017-09-20 | 株式会社キャロッセ | Hydraulic shock absorber |
| CN107339360A (en) * | 2017-09-08 | 2017-11-10 | 中航飞机起落架有限责任公司 | A kind of undercarriage buffer |
| CN107429777A (en) * | 2015-04-20 | 2017-12-01 | Kyb摩托车减震器株式会社 | Front fork |
-
2017
- 2017-12-29 CN CN201711468172.1A patent/CN109990034B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749357A (en) * | 2008-12-09 | 2010-06-23 | 江苏明星减震器有限公司 | Floating ring |
| CN202768705U (en) * | 2012-07-27 | 2013-03-06 | 奉化市仁龙机械有限公司 | Balance-type gas spring |
| CN103352958A (en) * | 2013-07-02 | 2013-10-16 | 太原理工大学 | Buffer device of hydraulic cylinder |
| CN107429777A (en) * | 2015-04-20 | 2017-12-01 | Kyb摩托车减震器株式会社 | Front fork |
| JP6198926B1 (en) * | 2016-12-19 | 2017-09-20 | 株式会社キャロッセ | Hydraulic shock absorber |
| CN107339360A (en) * | 2017-09-08 | 2017-11-10 | 中航飞机起落架有限责任公司 | A kind of undercarriage buffer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109990034B (en) | 2024-04-02 |
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