CN212722257U - Pump suction type explosion-proof gas circuit detection device - Google Patents
Pump suction type explosion-proof gas circuit detection device Download PDFInfo
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- CN212722257U CN212722257U CN202021309374.9U CN202021309374U CN212722257U CN 212722257 U CN212722257 U CN 212722257U CN 202021309374 U CN202021309374 U CN 202021309374U CN 212722257 U CN212722257 U CN 212722257U
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Abstract
The utility model discloses an explosion-proof type gas circuit detection device of pump suction formula. The filter cotton and the joint sealing rubber ring of the utility model are sequentially placed into the air joint, and the air joint is locked and sealed with the air circuit structural member through the thread buckle, the joint sealing rubber ring and the air circuit sealing rubber ring; the air pump connecting pipe is arranged on the air path structural part, and the air suction pump is inserted into the air pump connecting pipe; the stainless steel filter screen is placed in the gas path structural part; the explosion-proof cover and the probe main body are sealed and locked through the thread buckle and the probe sealing rubber ring, and the gas circuit structural member and the explosion-proof cover are locked and sealed through the thread buckle and the explosion-proof cover sealing rubber ring. Use the utility model discloses, can make the partial leakproofness of gas circuit good to ensure that the gas of extraction comes from waiting to detect the district.
Description
Technical Field
The utility model relates to a gaseous safety inspection equipment field, the more specifically say, is a gas circuit structure that carries out gas concentration detection in attracting the explosion-proof sensor through the getter pump with the gas that probably has the hazardous gas region.
Background
The prior art detection of gases in areas where hazardous gases may be present is generally carried out in the following manner:
1. the method has the disadvantages that the free diffusion of the gas is slow, and the detection needs long time.
2. The sensor part with the air suction pump but detecting gas is not explosion-proof, and the structure has the danger of igniting the surrounding air when detecting explosive gas, thereby possibly threatening the life and property of people.
3. The air suction pump is arranged, but the detection gas is not filtered before entering the air suction pump, so that impurities are easy to suck, the pump is damaged, and further the equipment loses the detection capability, and toxic gas or explosive gas cannot be detected, so that casualties and property loss are possibly caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome the not enough of existence among the prior art, provide a safer, more efficient pump suction type explosion-proof type gas detection device.
The utility model discloses explosion-proof type gas circuit detection device of pump suction formula is realized through following technical scheme: the device consists of a gas loop and a gas detection mechanism; the gas loop consists of a gas joint, filter cotton, a joint sealing rubber ring, a gas circuit structural part, a stainless steel filter screen, a gas pump connecting pipe and a gas suction pump; the gas detection mechanism consists of an explosion-proof cover, an explosion-proof cover sealing rubber ring, a sensor, a probe main body and a probe sealing rubber ring; the filter cotton and the joint sealing rubber ring are sequentially placed in the air joint, and the air joint is locked and sealed with the air circuit structural part through the threaded buckle, the joint sealing rubber ring and the air circuit sealing rubber ring; the air pump connecting pipe is arranged on the air path structural part, and the air suction pump is inserted into the air pump connecting pipe; the stainless steel filter screen is placed in the gas path structural part; the sensor is arranged at the front end of the probe main body, the sensor is placed in the anti-explosion cover, the anti-explosion cover and the probe main body are locked and locked through the thread buckle and the probe sealing rubber ring, and the gas circuit structural member and the anti-explosion cover are locked and sealed through the thread buckle and the anti-explosion cover sealing rubber ring.
The utility model discloses following beneficial effect has:
the utility model discloses in, the sensor has explosion-proof construction, can detect when explosive gas at the sensor, can not arouse to detect the gaseous explosion in district.
The utility model discloses in used the aspirator pump, can shorten gaseous detection cycle, made our detection efficiency higher.
Use the utility model discloses, can make the partial leakproofness of gas circuit good to ensure that the gas of extraction comes from waiting to detect the district.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the gas circuit of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the utility model is composed of a gas loop and a gas detection mechanism; the gas loop consists of a gas joint 1, filter cotton 2, a joint sealing rubber ring 3, a gas circuit sealing rubber ring 4, a gas circuit structural part 5, a stainless steel filter screen 6, a gas pump connecting pipe 7 and a gas suction pump 8; the gas detection mechanism consists of an explosion-proof cover 9, an explosion-proof cover sealing rubber ring 10, a sensor 11, a probe main body 12 and a probe sealing rubber ring 13; the filter cotton and the joint sealing rubber ring are sequentially placed in the air joint, and the air joint is locked and sealed with the air circuit structural part through the threaded buckle, the joint sealing rubber ring and the air circuit sealing rubber ring; the air pump connecting pipe 7 is arranged on the air path structural part 5, and the air suction pump 8 is inserted into the air pump connecting pipe 7; the stainless steel filter screen 6 is placed in the gas path structural part 5; the sensor 11 is arranged at the front end of the probe main body 12, the sensor 11 is placed in the explosion-proof cover 9, the explosion-proof cover 9 and the probe main body 12 are locked and locked in a sealing mode through the thread buckle and the probe sealing rubber ring 13, and the gas circuit structural part 5 and the explosion-proof cover 9 are locked and sealed through the thread buckle and the explosion-proof cover sealing rubber ring 10.
The utility model discloses a connected mode is: (1) putting the filter cotton 2 and the joint sealing rubber ring 3 into the air joint 1, and locking and sealing the assembled air joint 1 with the air circuit structural part 5 through the threaded buckle joint sealing rubber ring 3 and the air circuit sealing rubber ring 4; (2) installing an air pump connecting pipe 7 on the air path structural part 5, and simultaneously inserting an air suction pump 8 on the air pump connecting pipe 7; (3) placing a stainless steel filter screen 6 in a corresponding position of the gas path structural part 5; (4) the explosion-proof cover 9 and the probe body 12 are sealed and locked through a thread buckle and a probe sealing rubber ring 13, so that the explosion-proof performance of the sensor (welded completely) 11 is ensured; (5) the gas path structural member 5 and the explosion-proof cover 9 are locked and sealed through a thread buckle and an explosion-proof cover sealing rubber ring 10, so that the sealing performance of the whole gas path is ensured.
As shown in figure 2, the utility model can effectively protect our aspirator pump by two-stage filtration of the filter cotton 2 and the stainless steel filter screen 6, thereby ensuring the smoothness of the gas circuit; the explosion-proof structure of the sensor can ensure that the gas to be detected with explosiveness cannot be detonated when the gas is detected, the structure ensures that the product is safer, and the detection period of the gas is shortened. Provides better guarantee for the safety of life and property of people.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the present invention is not limited by the design concept of the present invention, and the various modifications and improvements made by the technical solutions of the present invention by the ordinary engineers in the field should belong to the protection scope of the present invention.
Claims (1)
1. The utility model provides an explosion-proof type gas circuit detection device of pump suction formula which characterized by: the device consists of a gas loop and a gas detection mechanism; the gas loop consists of a gas joint, filter cotton, a joint sealing rubber ring, a gas circuit structural part, a stainless steel filter screen, a gas pump connecting pipe and a gas suction pump; the gas detection mechanism consists of an explosion-proof cover, an explosion-proof cover sealing rubber ring, a sensor, a probe main body and a probe sealing rubber ring; the filter cotton and the joint sealing rubber ring are sequentially placed in the air joint, and the air joint is locked and sealed with the air circuit structural part through the threaded buckle, the joint sealing rubber ring and the air circuit sealing rubber ring; the air pump connecting pipe is arranged on the air path structural part, and the air suction pump is inserted into the air pump connecting pipe; the stainless steel filter screen is placed in the gas path structural part; the sensor is arranged at the front end of the probe main body, the sensor is placed in the anti-explosion cover, the anti-explosion cover and the probe main body are locked and locked through the thread buckle and the probe sealing rubber ring, and the gas circuit structural member and the anti-explosion cover are locked and sealed through the thread buckle and the anti-explosion cover sealing rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309374.9U CN212722257U (en) | 2020-07-07 | 2020-07-07 | Pump suction type explosion-proof gas circuit detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309374.9U CN212722257U (en) | 2020-07-07 | 2020-07-07 | Pump suction type explosion-proof gas circuit detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722257U true CN212722257U (en) | 2021-03-16 |
Family
ID=74965306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021309374.9U Active CN212722257U (en) | 2020-07-07 | 2020-07-07 | Pump suction type explosion-proof gas circuit detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722257U (en) |
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2020
- 2020-07-07 CN CN202021309374.9U patent/CN212722257U/en active Active
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