CN103604569B - Rapid connection device of straight pipe helium mass spectrometer leak detection - Google Patents
Rapid connection device of straight pipe helium mass spectrometer leak detection Download PDFInfo
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- CN103604569B CN103604569B CN201310538107.7A CN201310538107A CN103604569B CN 103604569 B CN103604569 B CN 103604569B CN 201310538107 A CN201310538107 A CN 201310538107A CN 103604569 B CN103604569 B CN 103604569B
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- leak detection
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- straight tube
- ring
- pipeline connecting
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Abstract
The invention relates to a rapid connection device of straight pipe helium mass spectrometer leak detection. The device comprises a pipeline connecting piece, a sealing rubber washer, a snap ring assembly, a bolt and a flat washer. One end of the pipeline connecting piece is a vacuum-standard quick-release connector connection disk and the other end is a snap ring installation disk. The connection snap ring assembly comprises a movable semi-ring and a fixed semi-ring. The two semi-rings are connected together through a semi-ring joint hinge. The fixed semi-ring is connected to and fixed on the pipeline connecting piece through the bolt and the movable semi-ring can rotate about the semi-ring joint hinge. By using the apparatus, a vacuum system connection interface does not need to be welded on the pipeline; rapid connection of a smooth straight tube and a vacuum-standard quick-release connector can be conveniently and rapidly realized without changing and processing tubing; leak detection preparation time is shortened and tubing leak detection efficiency is increased.
Description
Technical field
The invention belongs to leak hunting technology field, it particularly relates to a kind of helium mass spectrum leak detection Quick Connect Kit, particularly
When being related to a kind of straight tube vacuum blowing process helium mass spectrum leak detection for the smooth connectionless device in two ends, by straight tube and vacuum helium mass spectrum
The device that leak detection system accepted standard quick-release adapter connects.
Background technology
At present, there are a lot of sealing pipelines in spacecraft and its space-environment facility, have very high gas to leak
Rate index request.In order to improve the gas leak rate qualification rate of processing pipeline finished product, need before pipeline processing and in the course of processing,
The tubing being used is carried out with the test of helium mass spectrum leak rate.A kind of method commonly used to straight tube leak detection at present is vacuum blowing process
Helium mass spectrum leak detection method.Fig. 1 is straight tube vacuum blowing process helium mass spectrum leak detection system schematic in prior art, wherein, existing true
Empty blowing process helium mass spectrum leak detection, will treat that leak detection tube road 104 and vacuum helium mass spectrometer leak detector 101 connect first, and vacuum helium mass spectrum is examined
Leakage instrument connecting line and connecting interface commonly used vacuum standard quick-release adapter 106（Pinching GB/T4982-2003 and tightening
Type GB/T4983-2003）, it is additionally provided with donkey pump 102 simultaneously and auxiliary valve 103 provides the helium gas source 105 of helium, but
It is that tubing is usually smooth straight before processing and in the course of processing, the smooth position not being connected in straight tube two ends connects tired
Hardly possible is it is impossible to be directly connected to vacuum standard quick-release adapter.
The present invention proposes a kind of device that can realize smooth straight and the quick connection of vacuum standard quick-release adapter.This
Device, smooth straight and this device can quickly be connected and seal by one end, and the other end is that vacuum standard quick-release adapter connects
Disk, it is possible to achieve the quick connection of vacuum standard quick-release adapter with vacuum helium mass spectrum leak detection system and sealing.Using this dress
Put it is not necessary to welding vacuum system connecting interface is it is not necessary to change, processing tubing is it is possible to convenient, fast realization on pipeline
Smooth straight and vacuum standard quick-release adapter quickly connect, and shorten leak detection time, improve tubing leak detection efficiency.
Content of the invention
It is an object of the invention to provide when one kind carries out helium mass spectrum vacuum blowing leak for straight tube, straight tube and vacuum
The device that helium mass spectrum leak detection system accepted standard quick-release adapter connects, convenient, fast can realize smooth straight and vacuum
The quick connection of standard quick release adapter, shortens leak detection time, improves tubing leak detection efficiency.
To achieve these goals, present invention employs following technical scheme：
Straight tube helium mass spectrum leak detection Quick Connect Kit, is used for being connected with vacuum standard quick-release adapter terminal pad including one end
Pipeline connecting parts, be arranged on that pipeline connecting parts are internal and end face one end contacts sealing, the other end with pipeline connecting parts sealing surface
The caulking gum packing ring of face and leak detection straight tube end contact sealing and snap ring assemblies, wherein pipeline connecting parts are to have upper and lower two
The hollow cylindrical structure of individual annular end face, hollow cylindrical structure inside face forms stair-stepping through hole；Pipeline connecting parts
Top annular end face on offer fixing hole；Snap ring assemblies have two semi-rings, two semi-ring top and bottom difference one
Body is provided with extension and the extension of upper end is linked together by hinges, right respectively on the extension of lower end
Nut and screw should be set, wherein, the arch section of a semi-ring is provided with plural fixing hole, for should half
The fixing hole that the arch section of ring passes through to open up on the top annular end face of pipeline connecting parts is fixedly attached to pipeline connecting parts
Upper end on, another semi-ring can rotate around hinges, with when leak detection straight tube is inserted into snap ring assemblies and pipeline even
Fitting inner surface stepped throughhole simultaneously contacts after compression, by snap ring with the caulking gum packing ring arranging on this via bottoms edge
Assembly lower extended partly on the nut that is correspondingly arranged and screw, make snap ring assemblies tightly block leak detection straight tube, to realize straight tube
Fixation with pipeline connecting parts and sealing.
Further, the stepped throughhole of hollow cylindrical structure includes a upper through-hole, and upper through-hole passes through one
Center through hole is communicated with bottom counterbore, and upper through-hole is with diameter greater than the diameter of center through hole, and the diameter of no more than bottom counterbore.
Wherein, described nut and screw are eyelet bolt and wing nut.
Wherein, the quantity of described fixing hole is 3-4, along the curved portions of top annular end face and one semi-ring
Divide the setting that is uniformly distributed and corresponds to each other.
Wherein, the upper end extension of two semi-rings is connected to each other by connecting rod and the two ends of connecting rod are built-in with rotating shaft respectively
So that two extensions are rotated around respective rotating shaft.
The present invention has following beneficial effect：
Using this device it is not necessary to welding vacuum system connecting interface is it is not necessary to changing, processing tubing, just on pipeline
Convenient, fast can realize smooth straight and vacuum standard quick-release adapter quickly connects, shorten leak detection time, improve pipe
Material leak detection efficiency.
Brief description
Fig. 1 is straight tube vacuum blowing process helium mass spectrum leak detection system schematic in prior art, in figure：101 helium mass spectrum inspections
Leakage instrument；102 donkey pumps；103 auxiliary valves；104 leak detection pipelines；105 helium gas source；106 vacuum standard quick-releases connect
Device
Fig. 2 a is the top view of the straight tube helium mass spectrum leak detection Quick Connect Kit of the present invention；
Fig. 2 b is the A-A sectional view in corresponding diagram 2a, in figure：1 pipeline connecting parts；2 caulking gum packing rings；3 cards
Ring assemblies；4 screws；5 plain washers；
Fig. 3 pipeline connecting parts schematic diagram used in the straight tube helium mass spectrum leak detection Quick Connect Kit of the present invention, wherein：
11 vacuum standard quick-release adapter terminal pads；12 snap ring mounting discs；13 fixing holes；
Fig. 4 snap ring assemblies schematic diagram used in the straight tube helium mass spectrum leak detection Quick Connect Kit of the present invention, wherein,
31 movable snap rings；32 fixing snap rings；33 connecting rods；34 bearing pins；35 eyelet bolts；36 wing nuts；37 is flat
Packing ring；38 fixing holes.
Specific embodiment
Below in conjunction with accompanying drawing, the straight tube helium mass spectrum leak detection Quick Connect Kit of the present invention is described in detail, is embodied as
The merely illustrative purpose of mode is it is no intended to limit the scope of the invention.
Fig. 2 shows the straight tube helium mass spectrum leak detection Quick Connect Kit of the present invention, is used for fast with vacuum standard including one end
Unload the pipeline connecting parts 1 of adapter terminal pad 11 connection, be arranged on pipeline connecting parts 1 inside and end face one end and pipeline connecting parts
1 sealing surface contact sealing, the caulking gum packing ring 2 of other end and leak detection straight tube end contact sealing and snap ring assemblies 3, its
Middle pipeline connecting parts 1 are the hollow cylindrical structure with upper and lower two annular end faces, hollow cylindrical structure inside face shape
Stepped through hole；The top annular end face of pipeline connecting parts（Snap ring mounting disc 12）On offer three and be evenly distributed on
Fixing hole 13；Snap ring assemblies 3 have two semi-rings, two semi-rings（One movable snap ring 31, a fixing snap ring 32）Upper end and
Lower end is wholely set extension respectively and the extension of upper end passes through hinges（Set by connecting rod 33 and connecting rod 33 two ends
The rotating shaft 34 put is constituted）Link together, the extension of lower end be correspondingly arranged wing nut 36 and eyelet bolt 35 respectively,
Wherein, the arch section of a semi-ring is provided with plural fixing hole 38, for leading to the arch section of this semi-ring
Cross the upper end that the fixing hole 13 opening up on the top annular end face of pipeline connecting parts 1 is fixedly attached to pipeline connecting parts 1
On, another semi-ring can rotate around hinges, to work as, leak detection straight tube is inserted into snap ring assemblies 3 and table in pipeline connecting parts 1
Face stepped throughhole simultaneously contacts after compression, by under snap ring assemblies 3 with the caulking gum packing ring arranging on this via bottoms edge
The wing nut 36 being correspondingly arranged on portion's elongated portion and eyelet bolt 35, make snap ring assemblies 3 tightly block leak detection straight tube, with reality
The fixation of existing straight tube and pipeline connecting parts 1 and sealing.
One preferred embodiment in, the stepped throughhole of hollow cylindrical structure includes a upper through-hole, top
Through hole is communicated with bottom counterbore by a center through hole, upper through-hole with diameter greater than the diameter of center through hole, and be not more than under
The diameter of portion's counterbore.
One preferred embodiment in, be provided with plain washer 37 below wing nut 36.Similarly, snap ring assemblies 3 lead to
Cross screw 4 connecting line connector 1, and junction is provided with plain washer 5.
The operation principle of the present invention is as follows：The vacuum standard quick-release adapter of straight tube helium mass spectrum leak detection Quick Connect Kit is even
Flange one end connects vacuum helium mass spectrum leak detection system；Straight tube of hunting leak insertion snap ring assemblies and pipeline connecting parts centre bore, and axle
To compression caulking gum packing ring；Tighten snap ring assemblies wing nut, block leak detection tubing, realize consolidating of straight tube and pipeline connecting parts
Determine and sealing.
Although being described in detail to the specific embodiment of the present invention above and illustrating, it should be noted that
We can make various changes and modifications to above-mentioned embodiment, but these are without departure from the spirit of the present invention and appended power
Profit requires described scope.
Claims (5)
1. straight tube helium mass spectrum leak detection Quick Connect Kit, is used for being connected with vacuum standard quick-release adapter terminal pad including one end
Pipeline connecting parts；It is arranged on pipeline connecting parts inside and end face one end contacts sealing, other end with pipeline connecting parts sealing surface
Caulking gum packing ring with leak detection straight tube end contact sealing；And snap ring assemblies, wherein pipeline connecting parts are to have upper and lower two
The hollow cylindrical structure of individual annular end face, hollow cylindrical structure inside face forms stair-stepping through hole；Pipeline connecting parts
Top annular end face on offer fixing hole；Snap ring assemblies have two semi-rings, two semi-ring top and bottom difference one
Body is provided with extension and the extension of upper end is linked together by hinges, right respectively on the extension of lower end
Nut and screw should be set, wherein, the arch section of a semi-ring is provided with plural fixing hole, for should half
The fixing hole that the arch section of ring passes through to open up on the top annular end face of pipeline connecting parts is fixedly attached to pipeline connecting parts
Upper end on, another semi-ring can rotate around hinges, with when leak detection straight tube is inserted into snap ring assemblies and pipeline even
Fitting inner surface stepped throughhole simultaneously contacts after compression, by snap ring with the caulking gum packing ring arranging on this via bottoms edge
Assembly lower extended partly on the nut that is correspondingly arranged and screw, make snap ring assemblies tightly block leak detection straight tube, to realize straight tube
Fixation with pipeline connecting parts and sealing.
2. straight tube helium mass spectrum leak detection Quick Connect Kit as claimed in claim 1, wherein, the rank of described hollow cylindrical structure
Scalariform through hole includes a upper through-hole, and upper through-hole is communicated with bottom counterbore by a center through hole, upper through-hole diameter
More than the diameter of center through hole, and the diameter of no more than bottom counterbore.
3. straight tube helium mass spectrum leak detection Quick Connect Kit as claimed in claim 1, wherein, described nut and screw are movable joint spiral shell
Bolt and wing nut.
4. the straight tube helium mass spectrum leak detection Quick Connect Kit as described in any one of claim 1-3, wherein, the number of described fixing hole
Measure as 3-4, the arch section along top annular end face and one semi-ring is uniformly distributed and corresponds to each other setting.
5. the straight tube helium mass spectrum leak detection Quick Connect Kit as described in any one of claim 1-3, wherein, the upper end of two semi-rings
Extension is connected to each other by connecting rod and the two ends of connecting rod are built-in with rotating shaft respectively so that two extensions are around respective turn
Axle is rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538107.7A CN103604569B (en) | 2013-11-04 | 2013-11-04 | Rapid connection device of straight pipe helium mass spectrometer leak detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310538107.7A CN103604569B (en) | 2013-11-04 | 2013-11-04 | Rapid connection device of straight pipe helium mass spectrometer leak detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103604569A CN103604569A (en) | 2014-02-26 |
| CN103604569B true CN103604569B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310538107.7A Expired - Fee Related CN103604569B (en) | 2013-11-04 | 2013-11-04 | Rapid connection device of straight pipe helium mass spectrometer leak detection |
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| CN (1) | CN103604569B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279384B (en) * | 2014-10-29 | 2016-03-16 | 爱发科东方真空(成都)有限公司 | High reliability helium leak test special joint |
| CN108105460B (en) * | 2017-12-20 | 2019-05-28 | 北京卫星环境工程研究所 | Spacecraft GFDV type adds valve accurate limiting switching device |
| CN110307334B (en) * | 2019-07-02 | 2024-04-30 | 北京无线电计量测试研究所 | Hydrogen atom frequency scale storage bubble opening vacuum sealing device and vacuum sealing method |
| CN110595699B (en) * | 2019-10-21 | 2021-10-15 | 哈电集团（秦皇岛）重型装备有限公司 | Helium mass spectrum leak detection device and method for pipe |
| CN113049188A (en) * | 2019-12-26 | 2021-06-29 | 中核北方核燃料元件有限公司 | Device and method for detecting air tightness of tubular SiC composite material |
| CN111397803A (en) * | 2020-04-01 | 2020-07-10 | 湖北雷迪特冷却系统股份有限公司 | Liquid cooling board anti-disengaging structure leakproofness inspection chock plug |
| CN112798194A (en) * | 2020-10-27 | 2021-05-14 | 贵州天义电器有限责任公司 | Leak detection clamp and using method thereof |
| CN112289469A (en) * | 2020-11-03 | 2021-01-29 | 浙江伦特机电有限公司 | Leakage testing device |
| CN114370976A (en) * | 2021-12-10 | 2022-04-19 | 西安赛尔电子材料科技有限公司 | Device for testing sealing performance of vacuum connecting plate and using method thereof |
| CN114459698B (en) * | 2021-12-29 | 2023-08-18 | 中国原子能科学研究院 | Leak detection tool and leak detection method |
| CN114397067A (en) * | 2021-12-29 | 2022-04-26 | 中国原子能科学研究院 | Leak detection device and leak detection method |
| CN116296122B (en) * | 2023-05-05 | 2023-09-22 | 深圳市海瑞思自动化科技有限公司 | Helium mass spectrum type leak detection method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10354301B3 (en) * | 2003-11-20 | 2005-08-18 | Eaton Fluid Power Gmbh | Vacuum measuring container |
| KR100929204B1 (en) * | 2008-05-19 | 2009-12-01 | 이주아 | Leak Detection Method of Piping and Leakage Repair System |
| CN201828385U (en) * | 2010-06-12 | 2011-05-11 | 沈阳仪表科学研究院 | Helium mass spectrometer leak detection apparatus for multilayer metal corrugated pipe |
| CN202471368U (en) * | 2012-01-18 | 2012-10-03 | 吴江凯联达金属制品有限公司 | Multichannel joint for leak detector |
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| CN103604569A (en) | 2014-02-26 |
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Granted publication date: 20170208 Termination date: 20211104 |