CN203422207U - Airtightness detection device for coal sample pot - Google Patents
Airtightness detection device for coal sample pot Download PDFInfo
- Publication number
- CN203422207U CN203422207U CN201320414920.9U CN201320414920U CN203422207U CN 203422207 U CN203422207 U CN 203422207U CN 201320414920 U CN201320414920 U CN 201320414920U CN 203422207 U CN203422207 U CN 203422207U
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- China
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- coal sample
- detection device
- airtightness detection
- male joint
- joint
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- Expired - Fee Related
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Abstract
The utility model relates to an airtightness detection device for a coal sample pot, and aims to solves the problem that no convenient, quick and effective airtightness detection device for the coal sample pot exists in the prior art. The airtightness detection device includes a pressure meter, a needle valve and a three-way pipe, wherein the pressure meter is connected with a first male connector of the three-way pipe through a second female connector, a first female connector of the three-way pipe is connected with a second male connector of the needle valve, a third male connector of the needle valve is connected with the coal sample pot, a fast female connector of the three-way pipe is connected with one end of a fast male connector, the other end of the fast male connector is connected with one end of a overpressure-resistant hose, and the other end of the overpressure-resistant hose is connected with an air source. The airtightness detection device has advantages of being simple and reasonable in structure, being safe and reliable in connection, being flexible in detachment, being convenient and practical, and being good in usage effect. The airtightness detection device is an innovation of airtightness detection devices for coal sample pots.
Description
Technical field
The utility model relates to coal sample tank arrangement, particularly a kind of air-tightness detection device of coal sample tank.
Background technology
Air-tightness detection device is widely used in motor cylinder block, piston, oil, colliery, sebific duct, tensimeter, the all trades and professions such as gas-holder need to be carried out the place of air-tight test, according to < < coal seam gas-bearing capacity down-hole Direct Determination > > (GB/T 23250-2009), before measuring coal sample gas bearing capacity, need the impermeability of coal sample tank to detect, but there is no at present conveniently, coal sample tank air-tightness detection device efficiently and effectively, therefore, the improvement and bring new ideas of coal sample tank air-tightness detection device is the problem of needing at present solution badly.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the utility model is just to provide a kind of air-tightness detection device of coal sample tank, can effectively solve the problem that there is no at present convenient, fast effective coal sample tank air-tightness detection device.
The technical scheme that the utility model solves is, comprise tensimeter, needle valve and threeway, tensimeter is connected through the first male joint of the second female joint and threeway, the first female joint of threeway and the second male joint of needle valve are connected, the 3rd male joint of needle valve is connected with coal sample tank, the quick female joint of three-way connection is connected with quick male joint one end, and the male joint other end is connected with pressure hose one end fast, and the pressure hose other end is connected with source of the gas.
The utility model is simple and reasonable, connects safe and reliablely, can dismantle flexibly, and convenient and practical, result of use is good, is the innovation on coal sample tank air-tightness detection device.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
By Fig. 1, provided, the utility model comprises tensimeter 2, needle valve 11 and threeway 4, tensimeter 2 is connected through the first male joint 5 of the second female joint 6 and threeway 4, the first female joint 3 of threeway 4 and the second male joint 9 of needle valve 11 are connected, the 3rd male joint 10 of needle valve 11 is connected with coal sample tank, the quick female joint 1 of three-way connection 4 is connected with quick male joint 7 one end, and male joint 7 other ends are connected with pressure hose 8 one end fast, and pressure hose 8 other ends are connected with source of the gas.
In order to guarantee result of use, described quick female joint 1, the first female joint 3, the second female joint 6 are female thread structure, and the first male joint 5, the second male joint 9 and the 3rd male joint 10 are external thread structure.
On the shank 12 of described needle valve 11, handle 13 is housed.
Service condition of the present utility model is, while detecting the impermeability of coal sample tank, first the 3rd male joint 10 is connected with coal sample tank, opening needle valve 11 communicates the 3rd male joint 10 and the second male joint 9, air-flow flows to the direction of the 3rd male joint 10 from the second male joint 9, the second male joint 9 is connected with the first female joint 3, tensimeter 2 is connected with the first male joint 5 by the second female joint 6, after female joint 1 is connected with quick male joint 7 fast, pressure hose 8 is connected with source of the gas, to coal sample tank and air-tightness detection device inflation, when precision pressure gauge 2 readings are 1.5MPa, cut off source of the gas, pull up pressure hose 8, quick male joint 7 auto-closings now, make air-tightness detection device and coal sample tank form an airtight gas storage space, standing 12h, the reading of tensimeter 2 is unchanged, be considered as the requirement up to specification of coal sample tank impermeability.
The utility model is simple and reasonable, connects safe and reliablely, can dismantle flexibly, and convenient and practical, result of use is good, is the innovation on coal sample tank air-tightness detection device, has good economic and social benefit.
Claims (3)
1. the air-tightness detection device of a coal sample tank, comprise tensimeter (2), needle valve (11) and threeway (4), it is characterized in that, tensimeter (2) is connected through first male joint (5) of the second female joint (6) and threeway (4), first female joint (3) of threeway (4) is connected with second male joint (9) of needle valve (11), the 3rd male joint (10) of needle valve (11) is connected with coal sample tank, the quick female joint (1) of three-way connection (4) is connected with quick male joint (7) one end, male joint (7) other end is connected with pressure hose (8) one end fast, pressure hose (8) other end is connected with source of the gas.
2. the air-tightness detection device of coal sample tank according to claim 1, it is characterized in that, described quick female joint (1), the first female joint (3), the second female joint (6) are female thread structure, and the first male joint (5), the second male joint (9) and the 3rd male joint (10) are external thread structure.
3. the air-tightness detection device of coal sample tank according to claim 1, is characterized in that, on the shank (12) of described needle valve (11), handle (13) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414920.9U CN203422207U (en) | 2013-07-12 | 2013-07-12 | Airtightness detection device for coal sample pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414920.9U CN203422207U (en) | 2013-07-12 | 2013-07-12 | Airtightness detection device for coal sample pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422207U true CN203422207U (en) | 2014-02-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320414920.9U Expired - Fee Related CN203422207U (en) | 2013-07-12 | 2013-07-12 | Airtightness detection device for coal sample pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203422207U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075842A (en) * | 2014-07-22 | 2014-10-01 | 国家电网公司 | Pressure gage detector |
| CN106969728A (en) * | 2017-03-29 | 2017-07-21 | 黑龙江圣邦投资咨询有限公司 | A kind of vehicle element size detection method and device |
| CN110145685A (en) * | 2019-05-24 | 2019-08-20 | 贵州航天天马机电科技有限公司 | A kind of quick air-inflating apparatus |
-
2013
- 2013-07-12 CN CN201320414920.9U patent/CN203422207U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075842A (en) * | 2014-07-22 | 2014-10-01 | 国家电网公司 | Pressure gage detector |
| CN106969728A (en) * | 2017-03-29 | 2017-07-21 | 黑龙江圣邦投资咨询有限公司 | A kind of vehicle element size detection method and device |
| CN110145685A (en) * | 2019-05-24 | 2019-08-20 | 贵州航天天马机电科技有限公司 | A kind of quick air-inflating apparatus |
| CN110145685B (en) * | 2019-05-24 | 2023-09-22 | 贵州航天天马机电科技有限公司 | Quick air charging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20140712 |
|
| EXPY | Termination of patent right or utility model |