CN208268292U - A kind of piston type nitrogen gas spring of top inflatable - Google Patents
A kind of piston type nitrogen gas spring of top inflatable Download PDFInfo
- Publication number
- CN208268292U CN208268292U CN201820518636.9U CN201820518636U CN208268292U CN 208268292 U CN208268292 U CN 208268292U CN 201820518636 U CN201820518636 U CN 201820518636U CN 208268292 U CN208268292 U CN 208268292U
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- piston rod
- cylinder body
- card slot
- nitrogen
- gas spring
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Abstract
The utility model discloses a kind of piston type nitrogen gas spring of top inflatable, including cylinder body, cylinder body one end is provided with pedestal, and the other end is provided with piston rod, and nitrogen chamber is formed between pedestal and piston rod；One end that cylinder body is connect with piston rod is symmetrically arranged with the first card slot for placing the first dustband, and the second card slot for placing the first guide ring is provided with below the first card slot；Charge valve is provided in piston rod, charge valve is nitrogen chamber supplying nitrogen by the gas distribution channel being set on piston rod；Piston rod is symmetrically arranged with the second card slot for placing the first sealing ring and the second guide ring close to one end of nitrogen chamber, second guide ring is set to above the first sealing ring, original y-type seal ring is fixed on the piston rod, slide y-type seal ring in cylinder interior, by high-pressure gas seal in cylinder body, make under conditions of identical cylinder body executes and communicates nitrogen pressure, the diameter of y-type seal ring sealing is bigger, to keep pressure caused by nitrogen gas spring bigger.
Description
Technical field
The utility model belongs to nitrogen gas spring technical field, and in particular to a kind of piston type nitrogen gas spring of top inflatable.
Background technique
Nitrogen gas spring is a kind of using high pressure nitrogen as the novel elastic component of working media, it has, and small in size, elastic force is big,
The advantages that stroke length and stable working.
Original nitrogen gas spring is due to being plunger type nitrogen gas spring, so original nitrogen gas spring institute during use
The pressure of generation is not able to satisfy use, brings puzzlement to user, and original nitrogen gas spring compares when installation
Trouble, makes troubles to user.
Utility model content
The purpose of this utility model is to provide a kind of piston type nitrogen gas springs of top inflatable, to solve above-mentioned background skill
Original nitrogen gas spring is proposed in art due to being plunger type nitrogen gas spring, so original nitrogen gas spring institute during use
The pressure of generation is not able to satisfy use, brings puzzlement to user, and original nitrogen gas spring compares when installation
Trouble, the problem of making troubles to user.
To achieve the above object, the utility model provides the following technical solutions: a kind of piston type nitrogen bullet of top inflatable
Spring, including cylinder body, described cylinder body one end are provided with pedestal, and the other end is provided with piston rod, the pedestal and the piston rod it
Between formed nitrogen chamber；
One end that the cylinder body is connect with the piston rod is symmetrically arranged with first for placing first dustband
Card slot, the first card slot lower section are provided with the second card slot for placing the first guide ring；
Charge valve is provided in the piston rod, the charge valve is by the gas distribution channel being set on the piston rod
The nitrogen chamber supplying nitrogen；The piston rod is symmetrically arranged with close to one end of the nitrogen chamber for placing the first sealing ring
With the second card slot of the second guide ring, second guide ring is set to above first sealing ring；
It is provided with screw installing hole on the pedestal, is symmetrically arranged between the side wall that the pedestal is contacted with the cylinder body
For placing the third card slot of the second dustband and wire circlip, the wire circlip is arranged above second dustband,
The third card slot for placing the second sealing ring is symmetrically arranged on the pedestal.
In some embodiments, first sealing ring uses y-type seal ring.
In some embodiments, second sealing ring uses O-ring seal.
In some embodiments, the quantity of the screw installing hole is three, is uniformly distributed on the base.
In some embodiments, filling channel is additionally provided on the piston rod, the filling channel is filled for described
Air valve is connect with air supply unit.
Compared with prior art, the utility model has the beneficial effects that original y-type seal ring is fixed on piston rod
On, it slides y-type seal ring in cylinder interior, by high-pressure gas seal in cylinder body, makes to execute and communicate nitrogen in identical cylinder body
Under conditions of air pressure is strong, the diameter of y-type seal ring sealing is bigger, to keep pressure caused by nitrogen gas spring bigger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, the piston type nitrogen gas spring of a kind of top inflatable, including cylinder body 1, described 1 one end of cylinder body are set
It is equipped with pedestal 2, the other end is provided with piston rod 3, and nitrogen chamber 4 is formed between the pedestal 2 and the piston rod 3；
One end that the cylinder body 1 is connect with the piston rod 3 is symmetrically arranged with for placing first dustband 11
First card slot, the first card slot lower section are provided with the second card slot for placing the first guide ring 12；First dustband, 11 energy
It enter dust will not in cylinder body 1, so that cylinder body 1 be protected not influenced by dust.
Charge valve 5 is provided in the piston rod 3, the charge valve 5 is logical by the gas transmission being set on the piston rod 3
Road 31 is 4 supplying nitrogen of nitrogen chamber；The piston rod 3 is symmetrically arranged with close to one end of the nitrogen chamber 4 for placing
Second card slot of the first sealing ring 32 and the second guide ring 33, second guide ring 33 are set on first sealing ring 32
Side；
It is provided with screw installing hole 21 on the pedestal 2, it is symmetrical between the side wall that the pedestal 2 is contacted with the cylinder body 1
It is provided with the third card slot for placing the second dustband 22 and wire circlip 23, the wire circlip 23 is arranged described second
Above dustband 22, the third card slot for placing the second sealing ring 24 is symmetrically arranged on the pedestal 2.
It can guarantee that piston rod 3 keeps stablizing in cylinder body 1 by the first guide ring 12 of setting and the second guide ring 33 to live
Plug movement, the reliability of increased product.
First sealing ring 32 uses y-type seal ring.The position that y-type seal ring can connect piston rod 3 and cylinder body 1
It seals, so that gas in nitrogen chamber 4 be made not expose.
Second sealing ring 24 uses O-ring seal.The position that O-ring seal can connect pedestal 2 and cylinder body 1 is close
It closes and, thus expose gas in nitrogen chamber 4 will not,
The quantity of the screw installing hole 21 is three, is evenly distributed on the pedestal 2.Facilitate installation, installation is more
It is firm.
Filling channel 34 is additionally provided on the piston rod 3, the filling channel 34 is single for the charge valve 5 and gas supply
Member connection.Convenient is to be supplied in nitrogen chamber 4, the sealing effect being further ensured that by the way that filling channel 34 is arranged.
Compared with prior art, the utility model has the beneficial effects that original y-type seal ring is fixed on piston rod 3
On, make y-type seal ring in 1 internal slide of cylinder body, by high-pressure gas seal in cylinder body 1, makes to execute and communicate in identical cylinder body 1
Under conditions of nitrogen pressure, the diameter of y-type seal ring sealing is bigger, to keep pressure caused by nitrogen gas spring bigger；
The working principle and process for using of the utility model: after the utility model is completed, pass through screw installing hole 21
Pedestal 2 is fixed in equipment, air supply unit is connect with charge valve 5, is the inflation of charge valve 5, inflation by filling channel 34
Valve 5 is 4 supplying nitrogen of nitrogen chamber by gas distribution channel 31, by the nitrogen in 3 compressed nitrogen air cavity 4 of piston rod, to reach nitrogen
The effect of gas spring.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of piston type nitrogen gas spring of top inflatable, including cylinder body (1), it is characterised in that: cylinder body (1) one end setting
Have pedestal (2), the other end is provided with piston rod (3), forms nitrogen chamber (4) between the pedestal (2) and the piston rod (3)；
One end that the cylinder body (1) connect with the piston rod (3) is symmetrically arranged with for placing first dustband (11)
The first card slot, the second card slot for placing the first guide ring (12) is provided with below first card slot；
It is provided with charge valve (5) in the piston rod (3), the charge valve (5) is defeated on the piston rod (3) by being set to
Gas channel (31) is nitrogen chamber (4) supplying nitrogen；The piston rod (3) symmetrically sets close to one end of the nitrogen chamber (4)
It is equipped with the second card slot for placing the first sealing ring (32) and the second guide ring (33), second guide ring (33) is set to
Above first sealing ring (32)；
It is provided with screw installing hole (21) on the pedestal (2), between the side wall that the pedestal (2) contacts with the cylinder body (1)
It is symmetrically arranged with the third card slot for placing the second dustband (22) and wire circlip (23), wire circlip (23) setting
Above second dustband (22), the third for placing the second sealing ring (24) is symmetrically arranged on the pedestal (2)
Card slot.
2. a kind of piston type nitrogen gas spring of top inflatable according to claim 1, it is characterised in that: first sealing
It encloses (32) and uses y-type seal ring.
3. a kind of piston type nitrogen gas spring of top inflatable according to claim 1, it is characterised in that: second sealing
It encloses (24) and uses O-ring seal.
4. a kind of piston type nitrogen gas spring of top inflatable according to claim 1, it is characterised in that: the screw installation
The quantity in hole (21) is three, is evenly distributed on the pedestal (2).
5. a kind of piston type nitrogen gas spring of top inflatable according to claim 1, it is characterised in that the piston rod (3)
On be additionally provided with filling channel (34), the filling channel (34) is connect for the charge valve (5) with air supply unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820518636.9U CN208268292U (en) | 2018-04-12 | 2018-04-12 | A kind of piston type nitrogen gas spring of top inflatable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820518636.9U CN208268292U (en) | 2018-04-12 | 2018-04-12 | A kind of piston type nitrogen gas spring of top inflatable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268292U true CN208268292U (en) | 2018-12-21 |
Family
ID=64677859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820518636.9U Active CN208268292U (en) | 2018-04-12 | 2018-04-12 | A kind of piston type nitrogen gas spring of top inflatable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578380A (en) * | 2019-01-17 | 2019-04-05 | 大连诺美液压件有限公司 | A kind of locking pin with accumulation of energy pressure holding function |
-
2018
- 2018-04-12 CN CN201820518636.9U patent/CN208268292U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578380A (en) * | 2019-01-17 | 2019-04-05 | 大连诺美液压件有限公司 | A kind of locking pin with accumulation of energy pressure holding function |
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