CN102749177B - Submerged air leakage test device for bicycle front fork casts - Google Patents
Submerged air leakage test device for bicycle front fork casts Download PDFInfo
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- CN102749177B CN102749177B CN201210261199.4A CN201210261199A CN102749177B CN 102749177 B CN102749177 B CN 102749177B CN 201210261199 A CN201210261199 A CN 201210261199A CN 102749177 B CN102749177 B CN 102749177B
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- foundry goods
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- front fork
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- casts
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Abstract
The invention discloses a submerged air leakage test device for bicycle front fork casts. The test device comprises a base and a frame body fixed above the base. A plurality of location blocks used for fixing the casts to be tested are arranged in the middle on the base, a press holding cylinder is fixedly arranged under the position of the frame corresponding to the location blocks, and the lower portion of the press holding cylinder is in driving connection with a press holding block used for abutting against the casts to be tested in the vertical direction. A group of sealing cylinders are fixedly arranged on the frame body at one end of the base, and each sealing cylinder is in driving connection with an adaptation connector used for transversely pushing the casts to be tested towards the location blocks. A group of sealing cushion blocks are fixedly arranged on the frame body at the other end of the base corresponding to the sealing cylinders, and each sealing cushion block is provided with a ventilation pipeline communicated with an air inlet on the frame. The submerged air leakage test device resolves the problem of unstable factors in production, accurately judges whether the front fork casts have air leakage or not, simultaneously determines the specific air leakage position and provides accordance for statistics analysis of poor phenomena.
Description
Technical field
The present invention relates to a kind of gas leakage fixture for testing, specifically, relate to a kind of soaking type gas leakage device for testing of bicycle front fork class foundry goods.
Background technology
Along with the development of technology, demand and the requirement of lightweight bicycle are also more and more higher, magnesium alloy front fork foundry goods is widely applied on high-end bicycle, due to its hydraulic shock-absorption functional requirement, requires that magnesium alloy front fork foundry goods must possess characteristic non-leakage under a certain pressure.
In existing gas leakage test process, employing be the mode of the dry-type leak hunting of differential pressure type carries out leaking hunting, when leaking hunting by equipment pressure monitoring function to judge whether leaking gas of foundry goods.But weak point is exactly: 1, when leak-checking apparatus gas return path occur gas leakage or due to poorly sealed cause gas leakage time, equipment can not make early warning, all can misjudgedly be decided to be foundry goods gas leakage; 2, even foundry goods gas leakage itself, being also not easy the position judging gas leakage, making troubles for analyzing improvement.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of soaking type leakage testing device of bicycle front fork class foundry goods, the labile factor in production can be solved, judge whether front fork foundry goods leaks gas more accurately, and judge the concrete air leak position of foundry goods, for the statistical study doing bad phenomenon provides foundation simultaneously.
The present invention in order to the technical scheme solving its technical matters and adopt is: a kind of soaking type leakage testing device of bicycle front fork class foundry goods, comprise base and be fixed on the framework above base, on described base, centre position is provided with some locating pieces for fixing tested foundry goods, described framework is just to being fixed with a pressure holding cylinder below the position of locating piece, and the below of pressure holding cylinder drives connection one to push against the pressure holding block of tested foundry goods for vertical direction; The framework of described base side is fixed with one group of sealing cylinder, described each sealing cylinder drives connection one for laterally promoting the adapter of tested foundry goods towards locating piece direction; In the framework of described base opposite side, corresponding sealing cylinder is fixed with one group of seal block, described each seal block is provided with a vent line, vent line is communicated with the air intake opening on framework, and described air intake opening, vent line, locating piece upper surface and adapter are in same level.
As a further improvement on the present invention, described adapter is provided with the movable sealing block coordinated with tested foundry goods, and the junction of described seal block and tested foundry goods is provided with O-ring seal.
As a further improvement on the present invention, described movable sealing block is made up of abrasive rubber material, and movable sealing block is provided with connection screw thread, is convenient to change.
As a further improvement on the present invention, described base is provided with three pieces of locating pieces, each locating piece uniform intervals, more conveniently finds out concrete air leak position.
As a further improvement on the present invention, the diameter of described vent line is 5mm.
The invention has the beneficial effects as follows:
1. in opposed configuration position relationship: leak-checking apparatus of the present invention is framed structure, its lower shoe and body side frame are used for fixing locating device and auxiliary sealing device, the top of framework is used for fixing compression cylinder, and by syndeton and external drive cylinders, to realize moving up and down of a whole set of fixture, and then realize the action of immersion and water outlet, in addition, locating block device changes three stage structure into, the gas leakage situation of more convenient observation foundry goods.
2. judging in gas leakage mode: leak-checking apparatus Main Function of the present invention is good for tested foundry goods Set and Positioning, and realize the inflating pressure function to product die cavity inside by outside electric control gear, after being pressurized to the pressure of specifying, its entirety is immersed in the water by external control device, determining whether gas leakage by observing the mode whether having bubble to emerge in water, the position of gas leakage and the order of severity of gas leakage can be determined intuitively.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the schematic diagram of the tested foundry goods of the present invention.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
Fig. 1-2 illustrates a kind of embodiment of the soaking type leakage testing device of a kind of bicycle front fork of the present invention class foundry goods, the framework 2 comprising base 1 and be fixed on above base 1, on described base 1, centre position is provided with some locating pieces 3 for fixing tested foundry goods, described framework 2 is fixed with a pressure holding cylinder 4 below the position just to locating piece 3, and the below of pressure holding cylinder 4 drives connection one to push against the pressure holding block 5 of tested foundry goods for vertical direction, the framework 2 of described base 1 side is fixed with one group of sealing cylinder 6, and described each sealing cylinder 6 drives connection one for laterally promoting the adapter 7 of tested foundry goods towards locating piece 3 direction, in the framework 2 of described base 1 opposite side, corresponding sealing cylinder 6 is fixed with one group of seal block 8, described each seal block 8 is provided with a vent line 9, vent line 9 is communicated with the air intake opening 10 on framework, described air intake opening 10, vent line 9, locating piece 3 upper surface and adapter 7 are in same level, described adapter 7 is provided with the movable sealing block 11 coordinated with tested foundry goods, described seal block 8 is provided with O-ring seal 12 with the junction of tested foundry goods, described movable sealing block 11 is made up of abrasive rubber material, and movable sealing block 11 is provided with connection screw thread, described base 1 is provided with three pieces of locating pieces 3, each locating piece 3 uniform intervals, the diameter of described vent line 9 is 5mm.
The specific operation process of the present embodiment is as follows, before starting to leak hunting, whole device is positioned at more than the water surface, first tested foundry goods is put on locating piece 3 in the mode of Fig. 1 and strains to seal block 8 direction simultaneously, press driving switch, pressure holding cylinder 4 ejects and utilizes pressure holding block 5 to be fixed by the front fork of tested foundry goods, and following electric control gear drives sealing cylinder 6 to eject forward, utilizes movable sealing block to be tamping by the large port of 11 front forks; Next, electric control gear drives admission gear by inflation in air intake opening 10 pairs of calibers, after pressure reaches expecting pressure, continue pressurize; Following electric control gear drives outer inside casing to be immersed in the water by a whole set of chucking appliance system, keep 30S, whether now tester observes tested foundry goods position in water has bubble to emerge, emerge if any bubble, prove that this front fork leaks gas, otherwise this judgement front fork is air tight. after 30s, this chucking appliance system is by the external device pull-out water surface, air inlet simultaneously stops, and sealing cylinder 6 retreats in order, pulls movable sealing block 11 to exit; Following pressure holding cylinder 4 retreats, and pulls pressure holding block 5 to retreat, and now tested foundry goods is in state before clamping, and namely operator is directly taken out completes this test loop.
Claims (4)
1. the soaking type leakage testing device of a bicycle front fork class foundry goods, it is characterized in that: comprise base (1) and be fixed on the framework (2) above base (1), the upper centre position of described base (1) is provided with some locating pieces (3) for fixing tested foundry goods, be fixed with a pressure holding cylinder (4) below the position of described framework (2) just to locating piece (3), the below of pressure holding cylinder (4) drives connection one to push against the pressure holding block (5) of tested foundry goods for vertical direction, the framework (2) of described base (1) side is fixed with one group of sealing cylinder (6), described each sealing cylinder (6) drives connection one for laterally promoting the adapter (7) of tested foundry goods towards locating piece (3) direction, the upper corresponding sealing cylinder (6) of framework (2) of described base (1) opposite side is fixed with one group of seal block (8), described each seal block (8) is provided with a vent line (9), vent line (9) is communicated with the air intake opening (10) on framework, described air intake opening (10), vent line (9), locating piece (3) upper surface and adapter (7) are in same level, described adapter (7) is provided with the movable sealing block (11) coordinated with tested foundry goods, described seal block (8) is provided with O-ring seal (12) with the junction of tested foundry goods.
2. the soaking type leakage testing device of bicycle front fork class foundry goods according to claim 1, is characterized in that: described movable sealing block (11) is made up of abrasive rubber material, and movable sealing block (11) is provided with connection screw thread.
3. the soaking type leakage testing device of bicycle front fork class foundry goods according to claim 1, is characterized in that: described base (1) is provided with three pieces of locating pieces (3), each locating piece (3) uniform intervals.
4. the soaking type leakage testing device of bicycle front fork class foundry goods according to claim 1, is characterized in that: the diameter of described vent line (9) is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210261199.4A CN102749177B (en) | 2012-07-26 | 2012-07-26 | Submerged air leakage test device for bicycle front fork casts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210261199.4A CN102749177B (en) | 2012-07-26 | 2012-07-26 | Submerged air leakage test device for bicycle front fork casts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102749177A CN102749177A (en) | 2012-10-24 |
| CN102749177B true CN102749177B (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210261199.4A Active CN102749177B (en) | 2012-07-26 | 2012-07-26 | Submerged air leakage test device for bicycle front fork casts |
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| CN (1) | CN102749177B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115472A (en) * | 2017-06-22 | 2019-01-01 | 上海竟田电器检测技术有限公司 | A kind of submersible seal and high temperature and pressure cooking test machine |
| CN113932989B (en) * | 2021-12-16 | 2022-03-18 | 临沂华庚新材料科技有限公司 | Air leakage testing device for bicycle front fork castings |
| CN117824934A (en) * | 2024-03-06 | 2024-04-05 | 大连恒宝四达科技发展有限公司 | Detect front fork sealing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1312617A (en) * | 1969-09-11 | 1973-04-04 | Imp Smelting Corp Nsc Ltd | Detection of leaks |
| CN101995317A (en) * | 2010-10-08 | 2011-03-30 | 杭州兴达机械有限公司 | Reduction box body pressure test device and method thereof |
| CN202119600U (en) * | 2011-05-21 | 2012-01-18 | 广州市科密汽车制动技术开发有限公司 | Single-pass valve leakproofness detection bench |
| CN202693224U (en) * | 2012-07-26 | 2013-01-23 | 昆山美和机械有限公司 | Immersion type air leakage testing device for bicycle front fork casting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6199830A (en) * | 1984-09-20 | 1986-05-17 | Honda Motor Co Ltd | Pressure leak inspecting instrument |
-
2012
- 2012-07-26 CN CN201210261199.4A patent/CN102749177B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1312617A (en) * | 1969-09-11 | 1973-04-04 | Imp Smelting Corp Nsc Ltd | Detection of leaks |
| CN101995317A (en) * | 2010-10-08 | 2011-03-30 | 杭州兴达机械有限公司 | Reduction box body pressure test device and method thereof |
| CN202119600U (en) * | 2011-05-21 | 2012-01-18 | 广州市科密汽车制动技术开发有限公司 | Single-pass valve leakproofness detection bench |
| CN202693224U (en) * | 2012-07-26 | 2013-01-23 | 昆山美和机械有限公司 | Immersion type air leakage testing device for bicycle front fork casting |
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| Publication number | Publication date |
|---|---|
| CN102749177A (en) | 2012-10-24 |
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Effective date of registration: 20230918 Address after: No. 99 Hexing East Road, Nantong Economic and Technological Development Zone, Jiangsu 226503 Patentee after: Nantong Xinghe Machinery Co.,Ltd. Address before: 215300 No. 415, Sanxiang Road, Kunshan Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: KUNSHAN MEIHE MACHINE Co.,Ltd. |
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