CN201207009Y - Rapid interface for airtightness experiment for pipes - Google Patents
Rapid interface for airtightness experiment for pipes Download PDFInfo
- Publication number
- CN201207009Y CN201207009Y CNU2008201117050U CN200820111705U CN201207009Y CN 201207009 Y CN201207009 Y CN 201207009Y CN U2008201117050 U CNU2008201117050 U CN U2008201117050U CN 200820111705 U CN200820111705 U CN 200820111705U CN 201207009 Y CN201207009 Y CN 201207009Y
- Authority
- CN
- China
- Prior art keywords
- piston
- cylinder block
- briquetting
- pipe fitting
- cylinder
- 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
- 210000002445 nipple Anatomy 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a quick joint for pipe fitting air-tightness testing. A piston(2)is installed inside a cylinder(1)through a press block(3) to form a quick interface. An inner step(4)is arranged inside a cavity of the cylinder(1), one side of the inner step(4) of the cylinder is provided with a jack(7)to connect the pipe fitting under test and the other side of the inner step(4) of the cylinder is provided with a piston installation hole(8). The piston(2)is installed inside the cavity of the cylinder(1), one end of the piston is a pipe faucet(10)which is communicated with the jack(7)to connect the pipe fitting under test, and the other end of the piston is provided with a vent hole at the surface(11). One end of the press block(3)is provided with an external thread connecting joint (12) and the other end of the press block(3) is provided with an internal thread connecting joint(17). The quick joint for pipe fitting air-tightness testing is simple in structure and low in making cost and is convenient to use. The quick joint is dispensed with external assistant force and improves air-tightness testing efficiency.
Description
Technical field
The utility model relates to fast interface, is specifically related to a kind of tubing gas tightness test fast interface
Background technology
At present, the test of known tubing gas tightness is the most general with outside post rod type, fills into air pressure check gas tightness withstood the mouth of pipe of workpiece by outside top strength cylinder after, and power waste is big, slow in one's movements, not good enough or can't test to the operating effect of the tubing of poor rigidity at all.
Summary of the invention
The purpose of this utility model is: a kind of tubing gas tightness test fast interface is provided, connects tubing to be checked and air-tight test pump fast, inner pressurized air suppresses sealing automatically, convenient and swift and dependable performance.
Technical solution of the present utility model is: this fast interface comprises cylinder block, piston and briquetting, and piston is installed in by briquetting and forms fast interface in the cylinder block; The inner chamber of cylinder block is established interior step, the arc surface that the mounting pipe O-ring seal is arranged on the interior step, a side of step is tested pipe fitting plug receptacle in the cylinder block, and the opposite side of step is the piston mounting hole in the cylinder block, on the internal face of the cylinder block of piston installation nose end internal thread is arranged; Piston is installed in the inner chamber of cylinder block, and with the arc surface that the mounting pipe O-ring seal is arranged on the piston end face that interior step cooperates, an end of piston is the pipeline bell and spigot that the tested pipe fitting plug receptacle with cylinder block connects, and there is air hole the other end of piston; One end of briquetting is for cooperating the external thread connector of cylinder block internal thread, and with the arc surface of establishing the airtight seal of installation on the briquetting omoplate that the cylinder block end face contact, the other end of briquetting is an internal thread gas nipple orifice.
During installation, arc surface place mounting pipe O-ring seal on the interior step of cylinder block, piston is installed in the inner chamber of cylinder block by the piston mounting hole, airtight seal is installed at the place at the Suprascapular arc surface of briquetting, and the briquetting band airtight seal and cooperated the internal thread of cylinder block to be connected on the cylinder block by the external thread connector; During use, tested pipe fitting is installed on the tested pipe fitting plug receptacle of cylinder block, the end face of tested pipe fitting inserts in the pipeline bell and spigot of piston, on the tested pipe fitting vent valve is installed, external thread gas joint is installed in the internal thread gas nipple orifice of briquetting, the draft tube of mounting strap gas admittance valve on the external thread gas joint, the omoplate of briquetting is installed on the frame by U type baffle plate; During test, open gas admittance valve, close vent valve, intrinsic pressure forces cylinder integral body to the extruding of U type baffle plate place, and when being propped up by baffle plate, inherent air pressure forces piston to moving in the other direction, compressing seal of tube circle makes its plastic yield, outwards the extruding cylinder body inwardly pushes tube wall, forms band, reach the effect of cylinder seal, and because the effect of intrinsic pressure can not form extra pressure to tube wall, so the mouth of pipe can not deform; Gas admittance valve is closed in off-test, opens vent valve, because the release of intrinsic pressure, the spring function of seal of tube circle is had an effect, and unclamps tested pipe fitting when pushing piston open, makes things convenient for work-handling, again the beginning of next do action.
The utility model is simple in structure, and is with low cost, easy to use, removes external force from, improves tightness test efficient.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model installation test synoptic diagram.
Among the figure: 1 cylinder block, 2 pistons, 3 briquettings, 4 interior steps, 5 seal of tube circles, 6 arc surfaces, 7 tested pipe fitting plug receptacles, 8 piston mounting holes, 9 internal threads, 10 pipeline bell and spigots, 11 air holes, 12 external thread connectors, 13 arc surfaces, 14 briquetting omoplates, 15 airtight seal, 16 arc surfaces, 17 internal thread gas nipple orifice, 18 external thread gas joints, 19 gas admittance valves, 20 draft tube, 21U type baffle plate, 22 tested pipe fittings, 23 vent valves.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and concrete facility example, but not as to qualification of the present utility model.
As shown in Figure 1, this fast interface comprises cylinder block 1, piston 2 and briquetting 3, and piston 2 is installed in by briquetting 3 and forms fast interface in the cylinder block 1; The inner chamber of cylinder block 1 is established interior step 4, the arc surface 6 that mounting pipe O-ring seal 5 is arranged on the interior step 4, one side of the interior step 4 of cylinder block is tested pipe fitting plug receptacle 7, and the opposite side of step 4 is a piston mounting hole 8 in the cylinder block, on the internal face of the cylinder block 1 of piston mounting hole 8 ends internal thread 9 is arranged; Piston 2 is installed in the inner chamber of cylinder block 1, the arc surface 13 that mounting pipe O-ring seal 5 is arranged on the end face of the piston 2 that cooperates with interior step 4, one end of piston 2 is the pipeline bell and spigot 10 that the tested pipe fitting plug receptacle 7 with cylinder block connects, and there is air hole 11 other end of piston 2; One end of briquetting 3 is for cooperating the external thread connector 12 of cylinder block internal thread 9, and with the arc surface 16 of establishing the airtight seal 15 of installation on the briquetting omoplate 14 that the end face of cylinder block 1 contact, the other end of briquetting 3 is an internal thread gas nipple orifice 17.
During installation, arc surface 6 place's mounting pipe O-ring seals 5 on the interior step 4 of cylinder block 1, piston 2 is installed in the inner chamber of cylinder block 1 by piston mounting hole 8, airtight seal 15 is installed at arc surface 16 places on briquetting omoplate 14, and briquetting 3 cooperates the internal thread 9 of cylinder block to be connected on the cylinder block 1 with airtight seal 15 by external thread connector 12; As shown in Figure 2, during use, tested pipe fitting 22 is installed on the tested pipe fitting plug receptacle 7 of cylinder block 1, the end face of tested pipe fitting 22 inserts in the pipeline bell and spigot 10 of piston 2, vent valve 23 is installed on the tested pipe fitting 22, external thread gas joint 19 is installed, the draft tube 20 of mounting strap gas admittance valve 19 on the external thread gas joint 17 in the internal thread gas nipple orifice 17 of briquetting 3; Briquetting omoplate 14 is installed on the frame by U type baffle plate 21; During test, open gas admittance valve 19, close vent valve 23, intrinsic pressure forces cylinder integral body to the extruding of U type baffle plate 21 places, and when being propped up by baffle plate, inherent air pressure forces piston 2 to moving in the other direction, compressing seal of tube circle 5 makes its plastic yield, outwards extruding cylinder block 1 is inwardly pushed tube wall, forms band, reach the effect of cylinder seal, and because the effect of intrinsic pressure can not form extra pressure to tube wall, so the mouth of pipe can not deform; Gas admittance valve 19 is closed in off-test, opens vent valve 23, because the release of intrinsic pressure, the spring function of seal of tube circle 5 is had an effect, and unclamps tested pipe fitting 22 when pushing piston 2 open, makes things convenient for work-handling, again the beginning of next do action.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included within the protection domain of the present utility model.
Claims (1)
1. the tubing gas tightness is tested fast interface, and it is characterized in that: this fast interface comprises cylinder block (1), piston (2) and briquetting (3), and piston (2) is installed in by briquetting (3) and forms fast interface in the cylinder block (1); The inner chamber of cylinder block (1) is established interior step (4), the arc surface (6) that mounting pipe O-ring seal (5) are arranged on the interior step (4), one side of the interior step (4) of cylinder block is a tested pipe fitting plug receptacle (7), the opposite side of step (4) is piston mounting hole (8) in the cylinder block, on the internal face of the cylinder block (1) of piston mounting hole (8) end internal thread (9) is arranged; Piston (2) is installed in the inner chamber of cylinder block (1), the arc surface (13) that mounting pipe O-ring seal (5) are arranged on the end face of the piston (2) that cooperates with interior step (4), one end of piston (2) is the pipeline bell and spigot (10) that connects with the tested pipe fitting plug receptacle (7) of cylinder block, and there is air hole (11) other end of piston (2); One end of briquetting (3) is for cooperating the external thread connector (12) of cylinder block internal thread (9), with establish the arc surface (16) that airtight seal (15) is installed on the briquetting omoplate (14) that the end face of cylinder block (1) contacts, the other end of briquetting (3) is an internal thread gas nipple orifice (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201117050U CN201207009Y (en) | 2008-05-12 | 2008-05-12 | Rapid interface for airtightness experiment for pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201117050U CN201207009Y (en) | 2008-05-12 | 2008-05-12 | Rapid interface for airtightness experiment for pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201207009Y true CN201207009Y (en) | 2009-03-11 |
Family
ID=40466070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201117050U Expired - Fee Related CN201207009Y (en) | 2008-05-12 | 2008-05-12 | Rapid interface for airtightness experiment for pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201207009Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886969A (en) * | 2010-06-08 | 2010-11-17 | 天津泰邦管材有限公司 | Device for detecting leakproofness of plastic pipe joints |
| CN103063366A (en) * | 2012-12-19 | 2013-04-24 | 江西洪都航空工业集团有限责任公司 | Choke plug fixture for guide tube sealing test |
| CN106153259A (en) * | 2015-04-22 | 2016-11-23 | 石家庄安瑞科气体机械有限公司 | Air seal test frock and air tight test method |
-
2008
- 2008-05-12 CN CNU2008201117050U patent/CN201207009Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886969A (en) * | 2010-06-08 | 2010-11-17 | 天津泰邦管材有限公司 | Device for detecting leakproofness of plastic pipe joints |
| CN103063366A (en) * | 2012-12-19 | 2013-04-24 | 江西洪都航空工业集团有限责任公司 | Choke plug fixture for guide tube sealing test |
| CN106153259A (en) * | 2015-04-22 | 2016-11-23 | 石家庄安瑞科气体机械有限公司 | Air seal test frock and air tight test method |
| CN106153259B (en) * | 2015-04-22 | 2020-04-24 | 石家庄安瑞科气体机械有限公司 | Air tightness test tool and air tightness test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20100512 |