CN2252924Y - Earthquake automatic check valve for gas pipeline - Google Patents
Earthquake automatic check valve for gas pipeline Download PDFInfo
- Publication number
- CN2252924Y CN2252924Y CN 95219788 CN95219788U CN2252924Y CN 2252924 Y CN2252924 Y CN 2252924Y CN 95219788 CN95219788 CN 95219788 CN 95219788 U CN95219788 U CN 95219788U CN 2252924 Y CN2252924 Y CN 2252924Y
- Authority
- CN
- China
- Prior art keywords
- earthquake
- valve body
- spheroid
- conical cavity
- globe
- 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
Links
Landscapes
- Safety Valves (AREA)
Abstract
The utility model relates to an earthquake automatic check valve for a gas pipeline, which comprises a valve cover, a valve body, an air outlet and an air inlet, wherein, the utility model also comprises a globe body, a horizontal bracket arm of a globe supporting frame, and a rubber sleeve, wherein, the globe body is arranged on the globe supporting frame which is arranged at one end of the horizontal bracket arm of the globe body, and the other end of the horizontal bracket arm of the globe body is fixed at the upper part in a conical cavity; the rubber sleeve is arranged on the inner wall between the air inlet and the air outlet in the conical cavity. When an earthquake occurs and the earthquake achieves certain fission, the globe body is shocked to clog a gas passage to cut off gas supply, which reduces the damage due to disaster caused by the earthquake.
Description
The utility model relates to a kind of gas pipeline earthquake automatic stop valve.
Current earthquake is big especially to the harm that the mankind cause, when particularly in the big city earthquake taking place, because gas pipeline breaks, or use is closed untimely, huge fire can take place, cause more heavy loss to the city dweller, bring very big difficulty to stand-by service.Therefore, design a kind of can automatic self-closing gas when earthquake the stop valve of pipeline be very important.
The purpose of this utility model just provides a kind of when earthquake disaster takes place, and can cut off the gas pipeline earthquake automatic stop valve of gas pipeline source of the gas automatically.
In order to realize above-mentioned task, the scheme that the utility model is taked is: this automatic stop valve comprises a valve gap that is connected with valve body, a valve body that is provided with conical cavity, air outlet that is located at valve body lower portion and is connected and the suction port that is located at the valve body middle part with the lower end of conical cavity, it also comprises spheroid, horizontal trailing arm of ball-collecting rack and gum cover, spheroid is placed on the ball-collecting rack, prop up the end that ball-collecting rack is arranged on the horizontal trailing arm of spheroid, the other end of the horizontal trailing arm of spheroid is fixed on the top in the valve body conical cavity, and gum cover is located on valve body the conical cavity interior suction port and the inwall between the air outlet.
Owing to close the structure of pipeline after the utility model has adopted spheroid to be shaken to tumble, so it has the supply that can cut off combustion gas automatically, reduces advantages such as seimic casualty loss.
The utility model will be further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model.
As shown in Figure 1, this earthquake automatic stop valve comprises a valve gap 1 that is connected with valve body 4, a valve body 4 that is provided with conical cavity 6, air outlet 7 that is located at valve body 4 bottoms and is connected and the suction port 8 that is located at valve body 4 middle parts with the lower end of conical cavity 6, it also comprises spheroid 2, the horizontal trailing arm 3 of spheroid support and gum cover 5, spheroid 2 is placed on the ball-collecting rack, prop up the other end that ball-collecting rack is arranged on the horizontal trailing arm 3 of spheroid, horizontal trailing arm is fixed on the top in the valve body conical cavity 6, and gum cover 5 is located in the awl chamber 6, valve body 4 gardens on the inwall between the suction ports 8 and air outlet 7.
Work principle of the present utility model is: just often, spheroid 2 is stabilized on the ball-collecting rack, and suction port 8 and air outlet 7 are unimpeded, the gas pipeline proper functioning.During earthquake, when earthquake magnitude reaches Pyatyi (six degree) or during greater than Pyatyi (six degree), quiet spheroid 2 unstabilitys that stand on the ball-collecting rack, tumble in conical cavity 6, spheroid 2 with tightly closely contact attached to the gum cover on the conical cavity 65, simultaneously under the suction pressure effect, blocked the path of suction port 8 effectively with air outlet 7, cut off the supply of combustion gas, prevented because of closing untimely or the gas leakage breaking out of fire enlarges earthquake disaster damage.
Claims (1)
1, a kind of gas pipeline earthquake automatic stop valve, comprise a valve gap that is connected with valve body, a valve body that is provided with conical cavity, air outlet that is located at valve body lower portion and is connected and the suction port that is located at the valve body middle part with the lower end of conical cavity, it is characterized in that: further comprising spheroid, ball-collecting rack, the horizontal trailing arm of spheroid and gum cover, spheroid is placed on the ball-collecting rack, prop up the end that ball-collecting rack is arranged on the horizontal trailing arm of spheroid, the other end of the horizontal trailing arm of spheroid is fixed on the top in the valve body conical cavity, and gum cover is located on valve body the conical cavity interior suction port and the inwall between the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95219788 CN2252924Y (en) | 1995-08-19 | 1995-08-19 | Earthquake automatic check valve for gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95219788 CN2252924Y (en) | 1995-08-19 | 1995-08-19 | Earthquake automatic check valve for gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2252924Y true CN2252924Y (en) | 1997-04-23 |
Family
ID=33867876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95219788 Expired - Fee Related CN2252924Y (en) | 1995-08-19 | 1995-08-19 | Earthquake automatic check valve for gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2252924Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333193C (en) * | 2004-09-30 | 2007-08-22 | 张宗熙 | Leak resistance set of pipeline |
-
1995
- 1995-08-19 CN CN 95219788 patent/CN2252924Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333193C (en) * | 2004-09-30 | 2007-08-22 | 张宗熙 | Leak resistance set of pipeline |
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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 |