CN205937026U - Natural gas compression cylinder - Google Patents
Natural gas compression cylinder Download PDFInfo
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- CN205937026U CN205937026U CN201620685100.7U CN201620685100U CN205937026U CN 205937026 U CN205937026 U CN 205937026U CN 201620685100 U CN201620685100 U CN 201620685100U CN 205937026 U CN205937026 U CN 205937026U
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- cylinder
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Abstract
The utility model discloses a natural gas compression cylinder, include: go up cylinder, lower cylinder, piston rod and uide bushing, go up the cylinder, the cylinder is respectively and pass through flange joint between the uide bushing down, the piston rod runs through the uide bushing, and the both ends of piston rod are provided with an upper piston and a lower piston respectively, be provided with the sealing washer between upper piston and the last cylinder, be provided with the sealing washer between lower piston and the lower cylinder, the sealing washer includes the retaining ring of two symmetry settings and is located two sealing washer bodies between the retaining ring, the cross -section of retaining ring is the vertical hunch bridge type who places, the cross -section of sealing washer body includes middle O type section, goes up rectangle section and lower rectangle section, just in time with the retaining ring phase -match. In this way, the utility model has the advantages of simple and reasonable structure, sealing performance is good between piston and the section of thick bamboo wall, guarantees natural gas compression and goes on smoothly.
Description
Technical field
This utility model is related to natural gas compressing technical field, more particularly to a kind of natural gas compressing cylinder.
Background technology
Natural gas is one of safer combustion gas, and it does not contain carbon monoxide, yet lta, once leakage, immediately can
Diffuse up, be difficult accumulation and form explosive gas, safety is higher.
Natural gas compressing cylinder noise is little, efficiency high, currently progressively replaces conventional compression equipment.On natural gas compressing cylinder
There is piston, sealing ring to be applied between piston and barrel, existing sealing ring tightness can not be good, could be improved.
Utility model content
This utility model is mainly solving the technical problems that provide a kind of natural gas compressing cylinder, simple and reasonable, piston
Good seal performance and barrel between is it is ensured that natural gas compressing is smoothed out.
For solving above-mentioned technical problem, the technical scheme that this utility model adopts is：A kind of natural gas compressing is provided
Cylinder, including：Upper cylinder barrel, lower cylinder barrel, piston rod and fairlead, described upper cylinder barrel, lower cylinder barrel pass through method respectively and fairlead between
Blue connection, described piston rod runs through fairlead, and the two ends of piston rod are respectively arranged with a upper piston and a lower piston, institute
State and be provided with sealing ring between upper piston and upper cylinder barrel, between described lower piston and lower cylinder barrel, be provided with sealing ring；
Described sealing ring includes two symmetrically arranged back-up rings and the sealing ring body being located between two back-up rings, described gear
The section of circle is in the vertical arch bridge type placed, and the section of described sealing ring body includes middle O-shaped section, upper rectangle section and lower length
Square section, just match with back-up ring.
In one preferred embodiment of this utility model, described back-up ring is nylon -1010 material.
In one preferred embodiment of this utility model, described back-up ring is nylon-6 material.
In one preferred embodiment of this utility model, described back-up ring is metal material.
The beneficial effects of the utility model are：This utility model natural gas compressing cylinder, simple and reasonable, piston and barrel
Between good seal performance it is ensured that natural gas compressing is smoothed out.
Brief description
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below will be to required in embodiment description
Accompanying drawing to be used be briefly described it should be apparent that, drawings in the following description are only that of the present utility model some are real
Apply example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings, wherein：
Fig. 1 is the structural representation of this utility model natural gas compressing cylinder one preferred embodiment；
Fig. 2 is the structural representation of described sealing ring.
In accompanying drawing, the labelling of each part is as follows：1st, upper piston, 2, lower piston, 3, back-up ring, 4, middle O-shaped section, 5, upper rectangular
Shape section, 6, lower rectangle section.
Specific embodiment
Technical scheme in this utility model embodiment will be clearly and completely described it is clear that described below
Embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the enforcement in this utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into
The scope of this utility model protection.
Refer to Fig. 1 and Fig. 2, this utility model embodiment includes：
A kind of natural gas compressing cylinder, including：Upper cylinder barrel, lower cylinder barrel, piston rod and fairlead, described upper cylinder barrel, lower cylinder barrel
It is connected by flange between fairlead respectively, described piston rod runs through fairlead, and the two ends of piston rod are respectively arranged with one
Individual upper piston 1 and a lower piston 2, are provided with sealing ring between described upper piston and upper cylinder barrel, described lower piston and lower cylinder barrel
Between be provided with sealing ring；
Described sealing ring includes two symmetrically arranged back-up rings 3 and the sealing ring body being located between two back-up rings, described
The section of back-up ring is in the vertical arch bridge type placed, and the section of described sealing ring body includes middle O-shaped section 4, upper rectangle section 5 and
Lower rectangle section 6, is just matched with back-up ring.
Preferably, described back-up ring is nylon -1010 material.
Preferably, described back-up ring is nylon-6 material.
Preferably, described back-up ring is metal material.
The beneficial effects of the utility model are：This utility model natural gas compressing cylinder, simple and reasonable, piston and barrel
Between good seal performance it is ensured that natural gas compressing is smoothed out.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
The equivalent structure made using this utility model description or equivalent flow conversion, or directly or indirectly it is used in other phases
The technical field closed, is all included in the same manner in scope of patent protection of the present utility model.
Claims (4)
1. a kind of natural gas compressing cylinder is it is characterised in that include：Upper cylinder barrel, lower cylinder barrel, piston rod and fairlead, described upper cylinder half
Cylinder, lower cylinder barrel are connected by flange respectively between fairlead, and described piston rod runs through fairlead, and the two ends of piston rod are respectively
Be provided with a upper piston and a lower piston, between described upper piston and upper cylinder barrel, be provided with sealing ring, described lower piston with
It is provided with sealing ring between lower cylinder barrel；
Described sealing ring includes two symmetrically arranged back-up rings and the sealing ring body being located between two back-up rings, described back-up ring
Section is in the vertical arch bridge type placed, and the section of described sealing ring body includes middle O-shaped section, upper rectangle section and lower rectangle
Section, is just matched with back-up ring.
2. natural gas compressing cylinder according to claim 1 is it is characterised in that described back-up ring is nylon -1010 material.
3. natural gas compressing cylinder according to claim 1 is it is characterised in that described back-up ring is nylon-6 material.
4. natural gas compressing cylinder according to claim 1 is it is characterised in that described back-up ring is metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685100.7U CN205937026U (en) | 2016-07-04 | 2016-07-04 | Natural gas compression cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685100.7U CN205937026U (en) | 2016-07-04 | 2016-07-04 | Natural gas compression cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937026U true CN205937026U (en) | 2017-02-08 |
Family
ID=57931308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620685100.7U Active CN205937026U (en) | 2016-07-04 | 2016-07-04 | Natural gas compression cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971851A (en) * | 2016-07-04 | 2016-09-28 | 无锡欧洛普科技有限公司 | Natural gas compression cylinder |
-
2016
- 2016-07-04 CN CN201620685100.7U patent/CN205937026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971851A (en) * | 2016-07-04 | 2016-09-28 | 无锡欧洛普科技有限公司 | Natural gas compression cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |