CN103438324A - Quick-replacing connector for steel tube pressure withstanding test - Google Patents
Quick-replacing connector for steel tube pressure withstanding test Download PDFInfo
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- CN103438324A CN103438324A CN2013103805972A CN201310380597A CN103438324A CN 103438324 A CN103438324 A CN 103438324A CN 2013103805972 A CN2013103805972 A CN 2013103805972A CN 201310380597 A CN201310380597 A CN 201310380597A CN 103438324 A CN103438324 A CN 103438324A
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- steel pipe
- nut
- quick release
- pressure test
- release coupling
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Abstract
The invention belongs to the technical field of machine manufacturing, and particularly relates to a quick-replacing connector for a steel tube pressure withstanding test. The quick-replacing connector for the steel tube pressure withstanding test comprises a connecting tube, a stopping and bearing structure is arranged at the outer edge of an end opening of one end of the connecting tube, and a sealing mat is arranged on the lower surface of the stopping and bearing structure. The exterior of a tube body of the connecting tube is sleeved with a nut in a connected mode, and a thrust bearing is arranged between the nut and the stopping and bearing structure. The nut is in threaded connection with a steel tube fixing sleeve, and the steel tube fixing sleeve is provided with a plurality of screws. The quick-replacing connector achieves the functions of being capable of rapidly achieving tight screwing, being quickly replaced, prolonging the service life and being efficient in operation.
Description
Technical field
The invention belongs to the technical field of machine-building, be specifically related to a kind of quick release coupling for the steel pipe pressure test.
Background technique
In mechanical equipment manufacture process, often run into the pressure test requirement of steel pipe being carried out to hydraulic pressure or air pressure, pressure test at present adopts original structural type always, adopt the fastening a plurality of nuts of substep to compress the pipe port, in compaction process, the one, can not guarantee steadily to press down, the pressure size on sealing surface is also inconsistent, it is unreliable to seal, and sealing gasket is easy to damage; The 2nd, need to manually repeatedly alternately tighten many nuts, working efficiency is low; The 3rd, when needs carry out pressure testing to other pipe, dismounting and change efficiency is low, and, because often dismantle nut, causes the very fast stripped thread of each nut, bolt to lose efficacy, and is not durable very much.These three problems never are well solved.
Summary of the invention
The object of the invention is to for the defect of above-mentioned existence and a kind of quick release coupling for the steel pipe pressure test is provided, this kind of quick release coupling realized Quick fastening, quick-replaceable, life-saving, the efficient function of operation.
Technological scheme of the present invention is: a kind of quick release coupling for the steel pipe pressure test, comprise adapter, and there is the gear bearing structure this port outer of taking over an end, and the lower surface of this gear bearing structure is provided with sealing gasket; The body outer cover of taking over is connected to nut, between nut and gear bearing structure, is provided with thrust-bearing; Nut thread is connected with the steel pipe fixed cover, is provided with several screws on the steel pipe fixed cover.
The body of described adapter is provided with back-up ring.
Described back-up ring is positioned at the top of nut.
The described nut outside is provided with handle.
There is internal thread described nut inboard, and there is outside thread in the steel pipe fixed cover outside be connected with nut.
Described screw is 2～4.
Described screw is 3.
Described thrust-bearing is connected with the upper surface of gear bearing structure with the nut internal surface respectively.
Beneficial effect of the present invention is: the quick release coupling for the steel pipe pressure test of the present invention, replaced a plurality of bolts fastening existing mode with compressing respectively, adopted the structure of the direct press seal pad of nut, be provided with thrust-bearing simultaneously below nut, when rotating nut, the drive thrust-bearing moves down, now thrust-bearing rotates and sealing gasket does not rotate, the pressure of thrust-bearing vertically acts on sealing gasket, so just can not squeeze and hinder sealing gasket because of rotation, realize the close contact of sealing gasket and steel pipe nozzle end face, sealing is tight reliable simultaneously.
When the needs pressure testing, this quick release coupling directly is enclosed within on the mouth of pipe of steel pipe, tighten the Cock screw of bottom steel pipe fixed cover, then the handle of direct manual rotation upper nut is with regard to energy fast-holding sealing gasket, can carry out the pressure testing operation, without the fastening a plurality of nuts of substep, efficiently convenient.
In sum, the quick release coupling for the steel pipe pressure test of the present invention has been realized Quick fastening, quick-replaceable, life-saving, the efficient function of operation.
The accompanying drawing explanation
Fig. 1 is for the structural representation of the quick release coupling of steel pipe pressure test in the specific embodiment of the invention.
Wherein, 1 for taking over, and 2 is back-up ring, and 3 is nut, and 4 is thrust-bearing, and 5 is handle, and 6 is sealing gasket, and 7 is the steel pipe fixed cover, and 8 is screw, and 9 is the gear bearing structure.
Embodiment
Below in conjunction with accompanying drawing, technological scheme of the present invention is described in detail.
Embodiment 1
As can be seen from Figure 1, a kind of quick release coupling for the steel pipe pressure test of the present invention, comprise for connecting the adapter 1 of the test mediums such as outer water tube, tracheae, there is gear bearing structure 9 the port outer of these adapter 1 one ends, and the lower surface of this gear bearing structure 9 is provided with the sealing gasket 6 for the steel pipe nozzle sealing; The body outer cover of adapter 1 is connected to nut 3, between nut 3 and gear bearing structure 9, is provided with thrust-bearing 4; Nut 3 is depressed thrust-bearing 4 and takes over 1 for rotation; The torsion strength that thrust-bearing 4 produces for eliminating rotation, keep vertical depression.The nut 3 steel pipe fixed cover 7 that has been threaded is provided with several for this quick release coupling being fixed on to the screw 8 on steel pipe on steel pipe fixed cover 7.
The body of described adapter 1 is provided with the back-up ring 2 of taking over 1 position for fixing.
Described back-up ring 2 is positioned at the top of nut 3.
Described nut 3 outsides are provided with handle 5, and this handle 5 is rotating nut 3 fast.
There is internal thread described nut 3 inboards, and there is outside thread in steel pipe fixed cover 7 outsides that are connected with nut 3.
Described screw 8 is 2.
Described thrust-bearing 4 is connected with the upper surface of gear bearing structure 9 with nut 3 internal surfaces respectively.
The steel pipe pressure test that the external diameter of below take is φ 60 illustrates the use of described quick release coupling as example.
There is common internal thread the inside of nut 3, common outside thread is arranged outside steel pipe fixed cover 7, during use, steel pipe fixed cover 7 directly is enclosed within to the end of steel pipe, 2 screws 8 are evenly distributed on steel pipe fixed cover 7, tighten these 2 screws 8 and just can be fixed on tightly on steel pipe by steel pipe fixed cover 7; Light handle with sleeve 5, by being rotated down of nut 3, compress rapidly thrust-bearing 4, take over 1 and sealing gasket 6, can start pressure testing.Owing to having adopted thrust-bearing 4 herein, when nut 3 rotating down pressing, sealing gasket 6 is Vertical Compressions and can not protect sealing gasket 6 be not subject to the friction of port of steel pipe and tear along with rotation, long service life and reliable.
Quick release coupling of the present invention is widely used in the pressure test checkout procedure of all kinds of small-caliber steel pipes, main in the pressure test of all kinds of steel pipes as the plug of port of steel pipe, in steel tube pressure-measuring process in batches, can be quick installed on steel pipe nozzle, get final product pressure testing after Quick fastening, after pressure testing, quick release changes on other steel pipe, be convenient to the operation of tightening in steel pipe pressure test process, improve the working efficiency of pressure test, and Sealing bears vertical pressure in rundown process, be difficult for reversing and damage, sealing is reliable, long service life; Test pressure Applicable scope is≤3Mpa.
Actual, use and while manufacturing described quick release coupling, can be according to steel pipe fixed cover 7 and the correlated parts of different outer diameter of steel pipes design different sizes.When need to be to the steel tube pressure-measuring of different-diameter, only need upper nut 3 and the bottom steel pipe fixed cover 7 of changing different inner diameters to get final product, needn't change other annex.
Embodiment 2
As can be seen from Figure 1, a kind of quick release coupling for the steel pipe pressure test of the present invention, comprise for connecting the adapter 1 of the test mediums such as outer water tube, tracheae, there is gear bearing structure 9 the port outer of these adapter 1 one ends, and the lower surface of this gear bearing structure 9 is provided with the sealing gasket 6 for the steel pipe nozzle sealing; The body outer cover of adapter 1 is connected to nut 3, between nut 3 and gear bearing structure 9, is provided with thrust-bearing 4; Nut 3 is depressed thrust-bearing 4 and takes over 1 for rotation; The torsion strength that thrust-bearing 4 produces for eliminating rotation, keep vertical depression.The nut 3 steel pipe fixed cover 7 that has been threaded is provided with several for this quick release coupling being fixed on to the screw 8 on steel pipe on steel pipe fixed cover 7.
The body of described adapter 1 is provided with the back-up ring 2 of taking over position for fixing.
Described back-up ring 2 is positioned at the top of nut 3.
Described nut 3 outsides are provided with handle 5, and this handle 5 is rotating nut 3 fast.
There is internal thread described nut 3 inboards, and there is outside thread in steel pipe fixed cover 7 outsides that are connected with nut 3.
Described screw 8 is 3.
Described thrust-bearing 4 is connected with the upper surface of gear bearing structure 9 with nut 3 internal surfaces respectively.
The steel pipe pressure test that the external diameter of below take is φ 60 illustrates the use of described quick release coupling as example.
There is common internal thread the inside of nut 3, common outside thread is arranged outside steel pipe fixed cover 7, during use, steel pipe fixed cover 7 directly is enclosed within to the end of steel pipe, 3 screws 8 are evenly distributed on steel pipe fixed cover 7, and tightening these 3 screws 8 can be fixed on steel pipe by steel pipe fixed cover 7 tightly; Light handle with sleeve 5, by being rotated down of nut 3, compress rapidly thrust-bearing 4, take over 1 and sealing gasket 6, can start pressure testing.Owing to having adopted thrust-bearing 4 herein, when nut 3 rotating down pressing, sealing gasket 6 is Vertical Compressions and can not protect sealing gasket 6 be not subject to the friction of port of steel pipe and tear along with rotation, long service life and reliable.
Quick release coupling of the present invention is widely used in the pressure test checkout procedure of all kinds of small-caliber steel pipes, main in the pressure test of all kinds of steel pipes as the plug of port of steel pipe, in steel tube pressure-measuring process in batches, can be quick installed on steel pipe nozzle, get final product pressure testing after Quick fastening, after pressure testing, quick release changes on other steel pipe, be convenient to the operation of tightening in steel pipe pressure test process, improve the working efficiency of pressure test, and Sealing bears vertical pressure in rundown process, be difficult for reversing and damage, sealing is reliable, long service life; Test pressure Applicable scope is≤3Mpa.
Actual, use and while manufacturing described quick release coupling, can be according to steel pipe fixed cover 7 and the correlated parts of different outer diameter of steel pipes design different sizes.When need to be to the steel tube pressure-measuring of different-diameter, only need upper nut 3 and the bottom steel pipe fixed cover 7 of changing different inner diameters to get final product, needn't change other annex.
As can be seen from Figure 1, a kind of quick release coupling for the steel pipe pressure test of the present invention, comprise for connecting the adapter 1 of the test mediums such as outer water tube, tracheae, there is gear bearing structure 9 the port outer of these adapter 1 one ends, and the lower surface of this gear bearing structure 9 is provided with the sealing gasket 6 for the steel pipe nozzle sealing; The body outer cover of adapter 1 is connected to nut 3, between nut 3 and gear bearing structure 9, is provided with thrust-bearing 4; Nut 3 is depressed thrust-bearing 4 and takes over 1 for rotation; The torsion strength that thrust-bearing 4 produces for eliminating rotation, keep vertical depression.The nut 3 steel pipe fixed cover 7 that has been threaded is provided with several for this quick release coupling being fixed on to the screw 8 on steel pipe on steel pipe fixed cover 7.
The body of described adapter 1 is provided with the back-up ring 2 of taking over position for fixing.
Described back-up ring 2 is positioned at the top of nut 3.
Described nut 3 outsides are provided with handle 5, and this handle 5 is rotating nut 3 fast.
There is internal thread described nut 3 inboards, and there is outside thread in steel pipe fixed cover 7 outsides that are connected with nut 3.
Described screw 8 is 4.
Described thrust-bearing 4 is connected with the upper surface of gear bearing structure 9 with nut 3 internal surfaces respectively.
The steel pipe pressure test that the external diameter of below take is φ 60 illustrates the use of described quick release coupling as example.
There is common internal thread the inside of nut 3, common outside thread is arranged outside steel pipe fixed cover 7, during use, steel pipe fixed cover 7 directly is enclosed within to the end of steel pipe, 4 screws 8 are evenly distributed on steel pipe fixed cover 7, and tightening these 4 screws 8 can be fixed on steel pipe by steel pipe fixed cover 7 tightly; Light handle with sleeve 5, by being rotated down of nut 3, compress rapidly thrust-bearing 4, take over 1 and sealing gasket 6, can start pressure testing.Owing to having adopted thrust-bearing 4 herein, when nut 3 rotating down pressing, sealing gasket 6 is Vertical Compressions and can not protect sealing gasket 6 be not subject to the friction of port of steel pipe and tear along with rotation, long service life and reliable.
Quick release coupling of the present invention is widely used in the pressure test checkout procedure of all kinds of small-caliber steel pipes, main in the pressure test of all kinds of steel pipes as the plug of port of steel pipe, in steel tube pressure-measuring process in batches, can be quick installed on steel pipe nozzle, get final product pressure testing after Quick fastening, after pressure testing, quick release changes on other steel pipe, be convenient to the operation of tightening in steel pipe pressure test process, improve the working efficiency of pressure test, and Sealing bears vertical pressure in rundown process, be difficult for reversing and damage, sealing is reliable, long service life; Test pressure Applicable scope is≤3Mpa.
Actual, use and while manufacturing described quick release coupling, can be according to steel pipe fixed cover 7 and the correlated parts of different outer diameter of steel pipes design different sizes.When need to be to the steel tube pressure-measuring of different-diameter, only need upper nut 3 and the bottom steel pipe fixed cover 7 of changing different inner diameters to get final product, needn't change other annex.
Claims (8)
1. the quick release coupling for the steel pipe pressure test, is characterized in that, comprises adapter, and there is the gear bearing structure this port outer of taking over an end, and the lower surface of this gear bearing structure is provided with sealing gasket; The body outer cover of taking over is connected to nut, between nut and gear bearing structure, is provided with thrust-bearing; Nut thread is connected with the steel pipe fixed cover, is provided with several screws on the steel pipe fixed cover.
2. according to claim 1 for the quick release coupling of steel pipe pressure test, it is characterized in that, the body of described adapter is provided with back-up ring.
3. according to claim 2 for the quick release coupling of steel pipe pressure test, it is characterized in that, described back-up ring is positioned at the top of nut.
4. according to claim 1 for the quick release coupling of steel pipe pressure test, it is characterized in that, the described nut outside is provided with handle.
5. according to claim 1 for the quick release coupling of steel pipe pressure test, it is characterized in that, there is internal thread described nut inboard, and there is outside thread in the steel pipe fixed cover outside be connected with nut.
6. according to claim 1 for the quick release coupling of steel pipe pressure test, it is characterized in that, described screw is 2～4.
7. according to claim 1 for the quick release coupling of steel pipe pressure test, it is characterized in that, described screw is 3.
8. according to claim 1 for the quick release coupling of steel pipe pressure test, it is characterized in that, described thrust-bearing is connected with the upper surface of gear bearing structure with the nut internal surface respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103805972A CN103438324A (en) | 2013-08-28 | 2013-08-28 | Quick-replacing connector for steel tube pressure withstanding test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103805972A CN103438324A (en) | 2013-08-28 | 2013-08-28 | Quick-replacing connector for steel tube pressure withstanding test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103438324A true CN103438324A (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103805972A Pending CN103438324A (en) | 2013-08-28 | 2013-08-28 | Quick-replacing connector for steel tube pressure withstanding test |
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| Country | Link |
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| CN (1) | CN103438324A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483186A (en) * | 2014-12-26 | 2015-04-01 | 哈尔滨锅炉厂有限责任公司 | Internal expanding type hydraulic pressure tool for large-diameter adapter tube and method |
| CN105181467A (en) * | 2015-05-28 | 2015-12-23 | 广西建工集团第二安装建设有限公司 | Batch steel pipe pressure test device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8420176U1 (en) * | 1984-07-05 | 1984-09-27 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | FASTENING DEVICE FOR THE INLET CONNECTOR OF A VALVE WITH A COVER NUT |
| US5340170A (en) * | 1992-04-20 | 1994-08-23 | Fujikin Incorporated | Pipe joint and gasket retainer for use in pipe joint |
| CN2271200Y (en) * | 1996-09-18 | 1997-12-24 | 陆朝强 | Internal spring type sealing joint |
| CN2378605Y (en) * | 1999-06-18 | 2000-05-17 | 李占臣 | Pipeline loose joint |
| CN202141632U (en) * | 2011-05-31 | 2012-02-08 | 天津二十冶建设有限公司 | Connecting device for pressuring of middle or low pressure plain-end steel tube |
| CN203442409U (en) * | 2013-08-28 | 2014-02-19 | 济钢集团有限公司 | Quick-change connector for steel tube pressure withstanding test |
-
2013
- 2013-08-28 CN CN2013103805972A patent/CN103438324A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8420176U1 (en) * | 1984-07-05 | 1984-09-27 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | FASTENING DEVICE FOR THE INLET CONNECTOR OF A VALVE WITH A COVER NUT |
| US5340170A (en) * | 1992-04-20 | 1994-08-23 | Fujikin Incorporated | Pipe joint and gasket retainer for use in pipe joint |
| CN2271200Y (en) * | 1996-09-18 | 1997-12-24 | 陆朝强 | Internal spring type sealing joint |
| CN2378605Y (en) * | 1999-06-18 | 2000-05-17 | 李占臣 | Pipeline loose joint |
| CN202141632U (en) * | 2011-05-31 | 2012-02-08 | 天津二十冶建设有限公司 | Connecting device for pressuring of middle or low pressure plain-end steel tube |
| CN203442409U (en) * | 2013-08-28 | 2014-02-19 | 济钢集团有限公司 | Quick-change connector for steel tube pressure withstanding test |
Non-Patent Citations (1)
| Title |
|---|
| 张文周，谭承峰: "冷却壁水压试验的压力波动分析", 《冶金设备》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483186A (en) * | 2014-12-26 | 2015-04-01 | 哈尔滨锅炉厂有限责任公司 | Internal expanding type hydraulic pressure tool for large-diameter adapter tube and method |
| CN105181467A (en) * | 2015-05-28 | 2015-12-23 | 广西建工集团第二安装建设有限公司 | Batch steel pipe pressure test device |
| CN105181467B (en) * | 2015-05-28 | 2017-12-12 | 广西建工集团第二安装建设有限公司 | Batch device for testing steel pipe pressure |
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Application publication date: 20131211 |