CN2191334Y - Self-check valve - Google Patents
Self-check valve Download PDFInfo
- Publication number
- CN2191334Y CN2191334Y CN 93245902 CN93245902U CN2191334Y CN 2191334 Y CN2191334 Y CN 2191334Y CN 93245902 CN93245902 CN 93245902 CN 93245902 U CN93245902 U CN 93245902U CN 2191334 Y CN2191334 Y CN 2191334Y
- Authority
- CN
- China
- Prior art keywords
- elbow
- check valve
- utility
- model
- threads
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a self check valve. A gas hole which is arranged on a valve body is connected with an elbow, and threads are arranged on the other end of the elbow. Threads which are arranged in a nut joint are screwed with the threads which are arranged on a bent pipe, a gas inlet pipe is connected with the nut joint into a whole, and a piston cap is arranged in the gas hole. The utility model has the advantages of simple structure, low cost, durability, the avoidance of gas leakage and high safety.
Description
The utility model belongs to the liquid air valve, and is particularly a kind of from check valve.
Existing commercially available liquid air valve is the two logical or throughway valves more than the threeway, easy inaccessible the receiving a mandate of work and valve that influence when being suitable for gas, liquid return.
The purpose of this utility model be to provide a kind of science simple in structure, cost low, durable, safe and reliable from check valve.
Technical solution scheme of the present utility model is such, the pore connecting bend on common valve body, and the elbow the other end has screw thread, and the screw thread on nut connector and the elbow is tightened, and suction tude and nut connector are connected as a single entity, and piston cap is arranged in the inlet hole.
The utility model has the advantages that simple in structure, low cost of manufacture, durable, air tight, safe and reliable.
Below in conjunction with drawings and Examples the utility model is further described.
Accompanying drawing is an integral installation structure sectional plan view of the present utility model.
In the accompanying drawing, nut connector (1), piston cap (2), elbow (3), common suction tude (4), pore (5), valve body (6), steam outlet pipe (7).
Embodiment: shown in accompanying drawing, the pore on valve body (6), connecting bend (3), elbow cylinder iron or metal make 90 degree, have screw thread at elbow (3) the other end, screw thread in the nut connector (1) and the screw thread on the elbow are tightened.Suction tude (5) is connected as a single entity with nut connector (1), in the pore (5) of suction tude (4) piston cap (2) is arranged, and piston cap (2) is made entity with oil resistant rubber or plastics.Utilize self vertical gravity effect of piston cap (2), effectively stop back flow of gas.Steam outlet pipe (7) is connected with stove and accessory.
Claims (1)
- A kind of from check valve, comprise valve body, elbow, it is characterized in that: the pore connecting bend (3) on valve body (6), elbow (3) the other end has screw thread, nut connector (1) is tightened with the screw thread on the elbow (2), suction tude (4) is connected as a single entity with nut connector (1), and piston cap (2) is arranged in the pore (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93245902 CN2191334Y (en) | 1993-11-23 | 1993-11-23 | Self-check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93245902 CN2191334Y (en) | 1993-11-23 | 1993-11-23 | Self-check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2191334Y true CN2191334Y (en) | 1995-03-08 |
Family
ID=33818719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93245902 Expired - Fee Related CN2191334Y (en) | 1993-11-23 | 1993-11-23 | Self-check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2191334Y (en) |
-
1993
- 1993-11-23 CN CN 93245902 patent/CN2191334Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |