CN104019946B - For the air-tightness leakage detection apparatus of glass-encapsulated part - Google Patents
For the air-tightness leakage detection apparatus of glass-encapsulated part Download PDFInfo
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- CN104019946B CN104019946B CN201410298189.7A CN201410298189A CN104019946B CN 104019946 B CN104019946 B CN 104019946B CN 201410298189 A CN201410298189 A CN 201410298189A CN 104019946 B CN104019946 B CN 104019946B
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Abstract
The invention provides a kind of air-tightness leakage detection apparatus for glass-encapsulated part, comprise pedestal: in outside, near lower end have for the fixing annular buckling groove of gas-tight tester device, be provided with a circle external screw thread near upper end, upper end has the circular test plane of indent, this air-tightness leakage detection apparatus for glass-encapsulated part needs only and makes corresponding caulking gum pad according to product design for different product, highly versatile, the selection of caulking gum pad is extensive, has the advantages such as simple in structure, easy to make, mounting or dismounting are convenient. Make the sealing effectiveness between product and caulking gum pad be enhanced by lock bracket, make product and the sealing of sealing rubber pad plate plane reliable, improve detection accuracy and efficiency; Testing process encapsulant with product without directly contacting, on product quality without impact.
Description
Technical field
The present invention relates to air-tightness leak hunting technology field, relate in particular to a kind of air-tightness for glass-encapsulated partLeakage detection apparatus.
Background technology
Along with the develop rapidly of China's Electronic Packaging industry, directly promoting the development of metal-glass encapsulation technology.As glass medium level Hermetic Package, form in recent years huge technical industry, product is widely used in peopleThe every field of class activity, from industry such as Aeronautics and Astronautics, weapons, boats and ships, automobiles, to all kinds of household electricsDevice, all kinds of Communication Equipments arrive toy for children again. As everyone knows, air-tightness is the important indicator of glass-encapsulated partOne of, the bad meeting of air-tightness enters in the cavity of components and parts extraneous steam, harmful ion or gas and producesSurface leakage, the parameter failure mode such as degenerate, according to reports, because moisture content in cavity causes greatly first deviceThe ratio that part lost efficacy is total crash rate more than 26%. The conventional gas sealing mechanism that connects leak detector standard interfaceBe a kind of common frock of customization, because every money product test all needs to make special tooling, versatility is not strong,Testing efficiency be can reduce, tool management and maintenance are also not easy to; In testing process, sealing surface easily leaks gas,Easily cause erroneous judgement; Conventional increasing between encapsulant subsidiary products and sealing rubber pad plate plane seals,Extend the testing time, also can affect product quality.
Summary of the invention
The technical problem to be solved in the present invention is: existing glass-encapsulated part is carried out to airtight leak detection in order to solveStrong, low, the easy gas leakage of testing efficiency of equipment interoperability, testing result inaccurate and affect product matterThe problem of amount, the invention provides a kind of air-tightness leakage detection apparatus for glass-encapsulated part and solves above-mentioned askingTopic.
The technical solution adopted for the present invention to solve the technical problems is: a kind of airtight for glass-encapsulated partProperty leakage detection apparatus, comprises
Pedestal: in outside, near lower end have for the fixing annular buckling groove of gas-tight tester device,Be provided with a circle external screw thread near upper end, upper end has the circular test plane of indent; In inside, from extremely upperUnder there is successively the first instrument connection, pressure hole and the pilot hole of coaxial setting, composition is communicated with the vacuum of upper and lower sideTCH test channel, described the first instrument connection is positioned at the center of described test plane;
Blind nut: comprise the annulus that columniform connecting portion and the upper end edge radial inward from connecting portion extend to formThe shielding part of shape, has the internal thread matching with described external screw thread, described screening on the inwall of described connecting portionThe internal diameter of cap is less than the diameter of described test plane, and the both sides of described connecting portion offer two about axisSymmetrical screwed hole;
Circular rubber gasket: the equal diameters of diameter and described test plane, center has and described theThe second roughly equal instrument connection of diameter of one instrument connection;
Lock bracket: comprise fixed block, two screws, locking piece and returning face plates, described fixed block and sealedSheet is fixed on respectively the both sides of described connecting portion, described lock by a described screw and described screwed holeThe upper end of closing sheet has a boss, and the two ends of described returning face plate are link and stiff end, described stiff endHinged with described fixed block, described link can be suppressed downwards by described boss, and described returning face plate has oneThe holding tank that opening extends at described link and to stiff end.
In order conveniently to screw blind nut, on described connecting portion outer wall, have and be evenly densely covered with vertically anti-skidding vertical line.
Concrete, the upper end of described fixed block has two the first connecting plates that be arranged in parallel, described two pieces theOn a plate, offer respectively a first corresponding through hole, the stiff end of described returning face plate has oneThe second connecting plate, offers second through hole on described the second connecting plate, described lock bracket also comprises oneIndividual pin, described the second connecting plate is arranged between two described the first connecting plates also hinged by pin.
For the height difference for different glass packaging part, described fixed block has adjustment hole, described fixingPiece is fixed on described connecting portion by described screw by adjustment hole, and the distance between described adjustment hole is upper and lower is largeIn the diameter of the screw rod of described screw.
The invention has the beneficial effects as follows, this air-tightness leakage detection apparatus for glass-encapsulated part produces for differenceProduct are as long as make corresponding caulking gum pad, highly versatile, caulking gum pad according to product designSelection is extensive, has the advantages such as simple in structure, easy to make, mounting or dismounting are convenient. Make product by lock bracketAnd the sealing effectiveness between caulking gum pad is enhanced, make product and the sealing of sealing rubber pad plate planeReliably, improve detection accuracy and efficiency; Testing process encapsulant with product without directly contacting, to productQuality is without impact.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the present invention for the optimum embodiment of air-tightness leakage detection apparatus of glass-encapsulated part.
Fig. 2 is the explosive view of the present invention for the air-tightness leakage detection apparatus of glass-encapsulated part.
Fig. 3 is the cutaway view of the present invention for the pedestal of the air-tightness leakage detection apparatus of glass-encapsulated part.
In figure 1, pedestal, 2, circular rubber gasket, 3, blind nut, 4, lock bracket, 11, outer spiral shellLine, 12, the first instrument connection, 13, test plane, 14, pressure hole, 15, pilot hole, 16, buckling groove,21, the second instrument connection, 31, anti-skidding vertical line, 32, internal thread, 41, returning face plate, 42, pin, 43,Fixed block, 44, screw, 45, locking piece, 411, holding tank.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation. These accompanying drawings are the schematic diagram of simplification,Basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figures 1 to 3, the invention provides a kind of air-tightness leakage detection apparatus for glass-encapsulated part, bagDraw together
Pedestal 1: in outside, near lower end have for the fixing annular buckling groove of gas-tight tester device16, be provided with a circle external screw thread 11 near upper end, upper end has the circular test plane 13 of indent; In inside,Have successively from top to bottom the first instrument connection 12, pressure hole 14 and the pilot hole 15 of coaxial setting, composition connectsThe vacuum test passage of logical upper and lower side, the first instrument connection 12 is positioned at test plane 13 center;
Blind nut 3: comprise the annulus that columniform connecting portion and the upper end edge radial inward from connecting portion extend to formThe shielding part of shape, has the internal thread 32 matching with external screw thread 11 on the inwall of connecting portion, on outer wall, haveEvenly be densely covered with vertically anti-skidding vertical line 31, the internal diameter of shielding part is less than the diameter of testing plane 13, connecting portionBoth sides offer two about in axisymmetric screwed hole;
Circular rubber gasket 2: diameter and the equal diameters of testing plane 13, center has and the first surveyThe second roughly equal instrument connection 21 of diameter of prospect hole 12;
Lock bracket 4: comprise fixed block 43, two screws 44, locking piece 45 and returning face plates 41, fixingPiece 43 and locking piece 45 are fixed on respectively the both sides of connecting portion, lock by a screw 44 and screwed holeThe upper end of closing sheet 45 has a boss, and the two ends of returning face plate 41 are link and stiff end, fixed block 43Upper end there are two the first connecting plates that be arranged in parallel, on two the first connecting plates, offer respectively a phaseThe first corresponding through hole, the stiff end of returning face plate 41 has second connecting plate, on the second connecting plate, offersHave second through hole, lock bracket 4 also comprises that pin 42, the second connecting plates are arranged on two firstAlso hinged by pin 42 between connecting plate, link can be suppressed downwards by boss, and returning face plate 41 has oneThe holding tank 411 that bar opening extends at link and to stiff end, fixed block 43 has adjustment hole, fixed block43 are fixed on connecting portion by screw 44 by adjustment hole, and the distance between adjustment hole is upper and lower is greater than screw 44The diameter of screw rod.
When detection, first by buckling groove 16, pedestal 1 and gas-tight tester device are fixed, vacuum test passage withThe gas channel of instrument connects, and rubber gasket 2 is placed in test plane 13 and is tight by screwing blind nut 3Gu, product to be measured is placed on rubber gasket 2 by the circular hole in the middle of shielding part, returning face plate 41 will be treatedSurvey product padlock and fix, then tester is opened vavuum pump and is bled, be vacuum test passage in vacuum,Be blown into detection gas in product to be measured upper end again, whether the index of observation test instrument meets the requirements, after completingUnclamp returning face plate 41 and take out product.
Taking above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, related workPersonnel can, not departing from the scope of this invention technological thought, carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must be according to claim scopeDetermine its technical scope.
Claims (4)
1. for an air-tightness leakage detection apparatus for glass-encapsulated part, it is characterized in that: comprise
Pedestal: in outside, near lower end have for the fixing annular buckling groove of gas-tight tester device,Be provided with a circle external screw thread near upper end, upper end has the circular test plane of indent; In inside, from extremely upperUnder there is successively the first instrument connection, pressure hole and the pilot hole of coaxial setting, composition is communicated with the vacuum of upper and lower sideTCH test channel, described the first instrument connection is positioned at the center of described test plane;
Blind nut: comprise the annulus that columniform connecting portion and the upper end edge radial inward from connecting portion extend to formThe shielding part of shape, has the internal thread matching with described external screw thread, described screening on the inwall of described connecting portionThe internal diameter of cap is less than the diameter of described test plane, and the both sides of described connecting portion offer two about axisSymmetrical screwed hole;
Circular rubber gasket: the equal diameters of diameter and described test plane, center has and described theThe second roughly equal instrument connection of diameter of one instrument connection;
Lock bracket: comprise fixed block, two screws, locking piece and returning face plates, described fixed block and sealedSheet is fixed on respectively the both sides of described connecting portion, described lock by a described screw and described screwed holeThe upper end of closing sheet has a boss, and the two ends of described returning face plate are link and stiff end, described stiff endHinged with described fixed block, described link can be suppressed downwards by described boss, and described returning face plate has oneThe holding tank that opening extends at described link and to stiff end.
2. the air-tightness leakage detection apparatus for glass-encapsulated part as claimed in claim 1, is characterized in that:On described connecting portion outer wall, have and be evenly densely covered with vertically anti-skidding vertical line.
3. the air-tightness leakage detection apparatus for glass-encapsulated part as claimed in claim 1, is characterized in that:The upper end of described fixed block has two the first connecting plates that be arranged in parallel, on described two the first connecting plates, dividesDo not offer a first corresponding through hole, the stiff end of described returning face plate has second connecting plate,On described the second connecting plate, offer second through hole, described lock bracket also comprises a pin, described inThe second connecting plate is arranged between two described the first connecting plates also hinged by pin.
4. the air-tightness leakage detection apparatus for glass-encapsulated part as claimed in claim 1, is characterized in that:Described fixed block has adjustment hole, and described fixed block is fixed on described connecting portion by adjustment hole by described screwUpper, the distance between described adjustment hole is upper and lower is greater than the diameter of the screw rod of described screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298189.7A CN104019946B (en) | 2014-06-27 | 2014-06-27 | For the air-tightness leakage detection apparatus of glass-encapsulated part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298189.7A CN104019946B (en) | 2014-06-27 | 2014-06-27 | For the air-tightness leakage detection apparatus of glass-encapsulated part |
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| Publication Number | Publication Date |
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| CN104019946A CN104019946A (en) | 2014-09-03 |
| CN104019946B true CN104019946B (en) | 2016-05-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3951972B2 (en) * | 2003-06-27 | 2007-08-01 | 凸版印刷株式会社 | Film sample fixing method, gas cell, and gas permeability measuring apparatus |
| DE102004062101A1 (en) * | 2004-12-23 | 2006-07-13 | Inficon Gmbh | Selective gas sensor |
| CN103323185B (en) * | 2013-05-31 | 2015-11-18 | 中国科学院等离子体物理研究所 | The leak detection test platform of flange and dish cylinder class vacuum seal and detection method thereof |
| CN203587297U (en) * | 2013-09-04 | 2014-05-07 | 江西长江化工有限责任公司 | General air tightness quick detection device for glass fiber reinforced plastic seal cover |
| CN203908735U (en) * | 2014-06-27 | 2014-10-29 | 常州普纳电子科技有限公司 | Air tightness leak detection apparatus used for glass packaging piece |
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Effective date of registration: 20181116 Address after: 400056 Hongxing Village 12 Community, Nanquan Street, Banan District, Chongqing Patentee after: CHONGQING YONGLIN MACHINERY EQUIPMENT CO., LTD. Address before: 213166 Room 407-2-8, Building C, Tian'an Digital City, 588 South Changwu Road, Wujin High-tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee before: Changzhou general nano-electron Science and Technology Ltd. |
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Effective date of registration: 20200420 Address after: 401320 No. 249 Yunan Avenue, Banan District, Chongqing, 8-29 Patentee after: Chongqing Boshi Intellectual Property Service Co., Ltd. Address before: 400056, Chongqing District, Banan City, South Village Red Star Village 12 clubs Patentee before: CHONGQING YONGLIN MACHINERY EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20201112 Address after: 215500 No. 55 Shenzhen Road, Yushan High-tech Development Zone, Changshu City, Jiangsu Province Patentee after: Changshu Zhizhuang Laser Equipment Research Institute Co.,Ltd. Address before: 401320 No. 249 Yunan Avenue, Banan District, Chongqing, 8-29 Patentee before: Chongqing Boshi Intellectual Property Service Co.,Ltd. |
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