CN204241177U - A kind of seal air-tightness pick-up unit - Google Patents
A kind of seal air-tightness pick-up unit Download PDFInfo
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- CN204241177U CN204241177U CN201420799650.2U CN201420799650U CN204241177U CN 204241177 U CN204241177 U CN 204241177U CN 201420799650 U CN201420799650 U CN 201420799650U CN 204241177 U CN204241177 U CN 204241177U
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Abstract
The utility model belongs to field of measuring technique.Adopt and have the mould of involutory surface and annular seal mineralization pressure cavity to be measured, by the air-tightness of the pressurize ability description seal of this pressure cavities.The seal air-tightness pick-up unit that the utility model relates to, is made up of feeder, seal sectional fixture and pressure testing system; Described seal sectional fixture be can be fastening to mould, mould is made up of cope match-plate pattern (1) and lower bolster (2), bolster has the profile of mating with seal to be measured (3), bolster and seal (3) surround pressure cavities (4), cope match-plate pattern (1) is arranged valve (5), pressure cavities (4) is connected with feeder and pressure testing system by measuring pressure passage by valve (5) respectively.This device, structure is simple, and designability is strong, and widely applicable, simple to operate, accuracy is good, efficiency is high, directly characterizes the impermeability of sealing article, is applicable to the test and repair of sealing article different directions air-tightness.
Description
Technical field
The utility model belongs to field of measuring technique, relates to air-tightness detection technique, particularly seal airtight performance detection technique.
Background technology
Seal is the general basic element in packoff, and its product mainly contains O-ring seal different, not of uniform size, gasket seal, flange gasket etc., is all occupy very consequence at liquid or air seal link.
At present, the test item of seal is mainly for the detection that sealing member material carries out, and concrete test item comprises: hardness, pulling strengrth, elongation at rupture, compression set etc.; By aging tests such as oil resistant, hot air aging, black brittleness, resistance to sulfuric acid, resistance to nitric acid, resistance to hydrochloric acid, resistance to NaOH, to carrying out duplicate detection to begin a project, after experimental data is processed, the air-tightness of synthetic determination O-ring seal.And there is no a kind of method and apparatus directly can measuring seal air-tightness.
Summary of the invention
The utility model provides a kind of seal pick-up unit, solves the problem of sealing article air-leakage test.
The purpose of this utility model is achieved in that to adopt have the mould of involutory surface and annular seal mineralization pressure cavity to be measured, by the air-tightness of the pressurize ability description seal of this pressure cavities.According to seal size and actual sealing operating mode, by the design to mould, processing, and initial gas kind, pressure regulate, realize under different sealing environment, air pressure require, air-tightness under different size, kind seal axis, radial seal mode detects, and the air-leakage test for working condition lower seal provides a kind of reference.
The seal air-tightness pick-up unit that the utility model relates to, is made up of feeder, seal sectional fixture and pressure testing system; Described seal sectional fixture be can be fastening to mould, mould is made up of cope match-plate pattern 1 and lower bolster 2, bolster has the profile of mating with seal 3 to be measured, bolster and seal 3 surround pressure cavities 4, cope match-plate pattern 1 is arranged valve 5, pressure cavities 4 is connected with feeder and pressure testing system by measuring pressure passage by valve 5 respectively, structure of the detecting device block diagram as shown in Figure 1, to mode configuration as shown in accompanying drawing 2 ~ 6.
The seal air-tightness pick-up unit that the utility model relates to, is made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: the profile that seal 3 described and to be measured mates is flexible profile.
The seal air-tightness pick-up unit that the utility model relates to, be made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: described is damascene structures to mould, the moulding surface structure mated with seal 3 to be measured is that anchor ring coordinates: lower bolster 2 mating surface is the level and smooth profile of hoop, cope match-plate pattern 1 coordinates anchor ring place to arrange hoop sample cell 6 with lower bolster 2, to mode configuration as shown in Figure 2.
The seal air-tightness pick-up unit that the utility model relates to, is made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: the section of described sample cell 6 is rectangle.
The seal air-tightness pick-up unit that the utility model relates to, is made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: the section of described sample cell 6 is trapezoidal.
The seal air-tightness pick-up unit that the utility model relates to, is made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: be plate armature to mould, and the moulding surface structure that seal 3 described and to be measured mates is that plane coordinates; Cope match-plate pattern 1 is dull and stereotyped, and lower bolster 2 surface arranges sample cell 6, to mode configuration as shown in accompanying drawing 3 ~ 4.
The seal air-tightness pick-up unit that the utility model relates to, is made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: template edge is symmetrical arranged bolt clamp device 7.
The seal air-tightness pick-up unit that the utility model relates to, is made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: template center arranges bolt clamp device 7.
The seal air-tightness pick-up unit that the utility model relates to, be made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: be plate armature to mould, the moulding surface structure that seal described and to be measured mates is that plane coordinates, cope match-plate pattern 1 and lower bolster 2 are dull and stereotyped profile, configuration annular locating nub 8, and locating piece inner edge is mated with seal 3 to be measured, highly between 1/2 ~ 3/5 of seal height to be measured, to mode configuration as shown in Figure 5.
The seal air-tightness pick-up unit that the utility model relates to, be made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: described flexible profile be template surface paste be not less than the thick offset plate of 2mm 9, to mode configuration as shown in Figure 6.
The seal air-tightness pick-up unit that the utility model relates to, is made up of feeder, seal sectional fixture and pressure testing system, it is characterized in that: pressure testing system is for can store data type digital pressure gauge.
The seal air-tightness pick-up unit that the utility model relates to, structure is simple, designability is strong, widely applicable, simple to operate, accuracy is good, efficiency is high, simulation sealing part works state, the impermeability of direct sign sealing article, by the design to seal groove, processing, and the adjustment of initial gas pressure, the air-leakage test of different size type seal under different air pressure requirement can be realized, evaluation for caulking gum goods air-tightness provides operating characteristic characterization technique means, be applicable to sealing article (О shape, rectangle, triangle, the rigidity of the difformity specification such as trapezoidal or flexible seals) test and repair of different directions air-tightness.
Accompanying drawing explanation
The seal air-tightness structure of the detecting device block diagram that Fig. 1 the utility model relates to
The axial air-tightness pick-up unit of the seal that Fig. 2 the utility model relates to is to mode configuration schematic diagram
The seal radial air-tightness pick-up unit that Fig. 3 the utility model relates to is to mode configuration schematic diagram
The seal radial air-tightness pick-up unit that Fig. 4 the utility model relates to is to mode configuration schematic diagram
The seal radial air-tightness pick-up unit that Fig. 5 the utility model relates to is to mode configuration schematic diagram
The seal radial air-tightness pick-up unit that Fig. 6 the utility model relates to is to mode configuration schematic diagram
Wherein: 1-cope match-plate pattern, 2-lower bolster, 3-seal, 4-pressure cavities, 5-valve, 6-sample cell, 7-bolt clamp device, 8-locating piece, 9-offset plate.
Embodiment
Embodiment 1
A kind of for O type circle 72.6 × 3.55 axial seal air-tightness pick-up unit, be described further the utility model, the detection of seal air-tightness, structure as shown in Figure 1.
This device comprises the feeders such as connecting pipe, O-ring seal fixed model, MD-S280 type digital pressure gauge, needle valve and sealing gas (sealing gas as actual in nitrogen, air, oxygen etc.) pressure providing device (as gas cylinder, compressor etc.).
Be damascene structures to mould, structure as shown in Figure 2, adopts 45# steel to do, cope match-plate pattern external diameter 98mm, thickness 14mm, embeds section height 20mm; It is 78mm, thickness 5mm that patrix embeds section overall diameter, sample cell diameter 72.6mm, height 4.8mm; Lower mold cavity diameter 78mm; Mating surface is clearance fit; Counterdie inner ring surface and draw-in groove part surface roughness 3.2, by 6 uniform bolted to mould.
Cope match-plate pattern arranges valve, by connecting pipe Bonding pressure meter and high-pressure air source, obtains seal air-tightness pick-up unit described in the utility model.
This device is applicable to seal axial seal performance and detects.During use, tested О type seal is arranged in sample cell 6, matched moulds, and uses bolted.
Open needle valve 5, to what close, preset pressure is inflated to mould cavity, record system pressure and the relation of time, with the Pressure Drop of system in certain hour, characterize the sealing property of seal.
When adopting flexible material to make to the cooperation place of mould mating surface and sample cell and seal, be applicable to rigid seal air-tightness and detect.
Embodiment 2
A kind of for O type circle 50.0 × 1.80 radial seal air-tightness pick-up unit, be described further for the detection to tested seal radial air-tightness the utility model, structure as shown in Figure 1.
This device comprises connecting pipe, O-ring seal fixed model, MD-S280 type digital pressure gauge, needle valve and sealing gas (as actual sealing gas such as nitrogen, air, oxygen) pressure providing device (as gas cylinder, compressor etc.).
Be plate armature to mould, structure as shown in Figure 3, adopts 45# steel to do, cope match-plate pattern external diameter 80mm, thickness 14mm; Lower bolster external diameter 80mm, cavity diameter 40mm, sample cell width 2.0mm, degree of depth 1.0mm; Patrix profile and draw-in groove part surface roughness 3.2, by 6 uniform bolted to mould.
Cope match-plate pattern arranges valve, by connecting pipe Bonding pressure meter and high-pressure air source, obtains seal air-tightness pick-up unit described in the utility model.
It is 50mm that this device is applicable to internal diameter, and cross-sectional outer diameter detects between the radial seal ability of 1.5mm ~ 3.0mm seal.During use, tested О type seal is arranged in sample cell 6, matched moulds, and fastening with bolt clamp device 7.
Open needle valve 5, to what close, preset pressure is inflated to mould cavity, record system pressure and the relation of time, with the Pressure Drop of system in certain hour, characterize the sealing property of seal.
When adopting flexible material to make to the cooperation place of mould mating surface and sample cell and seal, be applicable to rigid seal air-tightness and detect.
Embodiment 3
A kind of for O type circle 60.0 × 2.0 radial seal air-tightness pick-up unit, be described further for the detection to tested seal radial air-tightness the utility model, structure as shown in Figure 1.
This device comprises connecting pipe, O-ring seal fixed model, pressure gauge, needle valve and sealing gas (as actual sealing gas such as nitrogen, air, oxygen) pressure providing device (as gas cylinder, compressor etc.).
Be plate armature to mould, structure as shown in Figure 4, adopts 45# steel to do, cope match-plate pattern external diameter 90mm, thickness 14mm; The sample cell of six different sizes is set, sample cell width 2.0mm, degree of depth 1.0mm; Mating surface and draw-in groove part surface roughness 3.2, by 6 uniform bolted to mould.
Cope match-plate pattern arranges valve, by connecting pipe Bonding pressure meter and high-pressure air source, obtains seal air-tightness pick-up unit described in the utility model.
It is 60mm that this device is applicable to internal diameter, and cross-sectional outer diameter is detect between the radial seal ability of 2.0mm ~ 3.0mm seal.During use, tested О type seal is arranged in sample cell 6, matched moulds, and fastening with bolt clamp device 7.
Open needle valve 5, to what close, preset pressure is inflated to mould cavity, record system pressure and the relation of time, with the Pressure Drop of system in certain hour, characterize the sealing property of seal.
Embodiment 4
Be slab construction to mould, as shown in Figure 5, profile surface roughness 3.2, joins rigidity snap ring as locating piece to structure, and in snap ring, wide size is slightly larger than seal contour dimension to be measured, and all the other structures are with embodiment 3.The pick-up unit obtained is applicable to flexible seals air-leakage test, is specially adapted to irregularly shaped seal air-leakage test.
Embodiment 5
Be slab construction to mould, structure as shown in Figure 6, the thick butyl rubber plate of bolster involutory surface surface mount 2mm.The pick-up unit obtained is applicable to rigid seal air-leakage test.
Claims (10)
1. a seal air-tightness pick-up unit, is made up of feeder, seal sectional fixture and pressure testing system; Described seal sectional fixture be can be fastening to mould, mould is made up of cope match-plate pattern (1) and lower bolster (2), bolster has the profile of mating with seal to be measured (3), bolster and seal (3) surround pressure cavities (4), cope match-plate pattern (1) is arranged valve (5), pressure cavities (4) is connected with feeder and pressure testing system by measuring pressure passage by valve (5) respectively.
2. seal air-tightness pick-up unit according to claim 1, is characterized in that: the profile that seal (3) described and to be measured is mated is flexible profile.
3. a kind of seal air-tightness pick-up unit according to claim 1 and 2, it is characterized in that: described is damascene structures to mould, the moulding surface structure mated with seal to be measured (3) is that anchor ring coordinates: lower bolster (2) mating surface is the level and smooth profile of hoop, and cope match-plate pattern (1) coordinates anchor ring place to arrange hoop sample cell (6) with lower bolster (2).
4. seal air-tightness pick-up unit according to claim 3, is characterized in that: the section of described sample cell (6) be rectangle or trapezoidal in one.
5. a kind of seal air-tightness pick-up unit according to claim 1 and 2, is characterized in that: be plate armature to mould, and the moulding surface structure that seal (3) described and to be measured is mated is that plane coordinates; Cope match-plate pattern (1) is dull and stereotyped, and lower bolster (2) surface arranges sample cell (6).
6. a kind of seal air-tightness pick-up unit according to claim 1 and 2, is characterized in that: template edge is symmetrical arranged bolt clamp device (7).
7. a kind of seal air-tightness pick-up unit according to claim 1 and 2, is characterized in that: template center arranges bolt clamp device (7).
8. a kind of seal air-tightness pick-up unit according to claim 1 and 2, it is characterized in that: be plate armature to mould, the moulding surface structure that seal described and to be measured mates is that plane coordinates, cope match-plate pattern (1) and lower bolster (2) are dull and stereotyped profile, configuration annular locating nub (8), locating piece inner edge is mated with seal to be measured (3), and height is between 1/2 ~ 3/5 of seal height to be measured.
9. seal air-tightness pick-up unit according to claim 2, is characterized in that: described flexible profile be template surface paste be not less than the thick offset plate of 2mm (9).
10. a kind of seal air-tightness pick-up unit according to claim 1 and 2, is characterized in that: pressure testing system is for can store data type digital pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799650.2U CN204241177U (en) | 2014-12-16 | 2014-12-16 | A kind of seal air-tightness pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799650.2U CN204241177U (en) | 2014-12-16 | 2014-12-16 | A kind of seal air-tightness pick-up unit |
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| CN204241177U true CN204241177U (en) | 2015-04-01 |
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| CN201420799650.2U Active CN204241177U (en) | 2014-12-16 | 2014-12-16 | A kind of seal air-tightness pick-up unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197894A (en) * | 2016-08-29 | 2016-12-07 | 慈溪迅蕾轴承有限公司 | Bearing air-leakage detector |
| CN106979844A (en) * | 2017-05-27 | 2017-07-25 | 中国电力科学研究院 | A kind of performance detector of sealing element and test method |
| CN109580125A (en) * | 2018-12-28 | 2019-04-05 | 湖南航天远望科技有限公司 | A kind of hermetic seal zipper slip accurate detection device and method |
| CN111735707A (en) * | 2020-06-29 | 2020-10-02 | 天津市捷威动力工业有限公司 | Method and device for testing packaging strength of lithium ion soft package battery |
| CN112816141A (en) * | 2021-01-06 | 2021-05-18 | 广州橙行智动汽车科技有限公司 | Air tightness detection device and air tightness detection method thereof |
-
2014
- 2014-12-16 CN CN201420799650.2U patent/CN204241177U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197894A (en) * | 2016-08-29 | 2016-12-07 | 慈溪迅蕾轴承有限公司 | Bearing air-leakage detector |
| CN106197894B (en) * | 2016-08-29 | 2018-12-28 | 慈溪迅蕾轴承有限公司 | Bearing air-leakage detector |
| CN106979844A (en) * | 2017-05-27 | 2017-07-25 | 中国电力科学研究院 | A kind of performance detector of sealing element and test method |
| CN109580125A (en) * | 2018-12-28 | 2019-04-05 | 湖南航天远望科技有限公司 | A kind of hermetic seal zipper slip accurate detection device and method |
| CN109580125B (en) * | 2018-12-28 | 2024-01-30 | 湖南航天远望科技有限公司 | Accurate detection device and method for leakage rate of airtight zipper |
| CN111735707A (en) * | 2020-06-29 | 2020-10-02 | 天津市捷威动力工业有限公司 | Method and device for testing packaging strength of lithium ion soft package battery |
| CN112816141A (en) * | 2021-01-06 | 2021-05-18 | 广州橙行智动汽车科技有限公司 | Air tightness detection device and air tightness detection method thereof |
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| GR01 | Patent grant |