CN205161011U - Piston automatic relief pressure device - Google Patents
Piston automatic relief pressure device Download PDFInfo
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- CN205161011U CN205161011U CN201520939981.6U CN201520939981U CN205161011U CN 205161011 U CN205161011 U CN 205161011U CN 201520939981 U CN201520939981 U CN 201520939981U CN 205161011 U CN205161011 U CN 205161011U
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- sleeve
- piston
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- spring
- liquid cooling
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- 238000007789 sealing Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 abstract description 27
- 238000001816 cooling Methods 0.000 abstract description 26
- 239000002826 coolant Substances 0.000 abstract description 9
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 208000035126 Facies Diseases 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 241000283216 Phocidae Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 208000033999 Device damage Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model relates to a piston automatic relief pressure device is provided with sealing washer II on its sleeve flange, be equipped with the piston in the sleeve one end, the other end is equipped with the exhaust hole, be equipped with sealing washer I on the piston, still be equipped with the spring in the sleeve, the piston is withstood to the one end of spring, and the other end withstands the one end that the sleeve was equipped with the exhaust hole, the telescopic axle can be followed to reciprocating motion to the piston, be equipped with spacing step I and spacing step II in mounting structure and sleeve respectively, two spacing steps are used for limiting the motion limit of piston, the exhaust hole makes sleeve inner space and outside atmosphere environmental facies lead to, does not nevertheless communicate with each other with avionics cooling runner or cavity. Rise when reaching a definite value at equipment liquid cooling runner or cavity internal pressure, this piston automatic relief pressure device releases the volume through promoting the piston compressor spring, makes the increase of liquid cooling runner or cavity volume, reaches the purpose that reduces internal pressure, and retaining device liquid cooling runner or cavity is sealed simultaneously, avoids equipment to damage and prevent that coolant from leaking outside the equipment.
Description
Technical field
The utility model relates to a kind of piston type automatic pressure relief device, belongs to ring control structure field.
Background technology
Along with the development and progress of technology and the use of high power heater members, increasing electronics, electric equipment need to adopt the mode of liquid cooling to dispel the heat to equipment, in order to meet some special environments for use (as Aeronautics and Astronautics environment) and improve maintainability requirement, a lot of equipment adopts liquid cooling fast connecting joint and the ring control equipment interconnection with self-sealing function, to realize Fast Installation and the dismounting of equipment, prevent the leakage of coolant in disassembly process simultaneously.
Adopt the liquid cooling fast connecting joint of self-sealing function can bring an inevitable problem: when disconnecting liquid cooling fast connecting joint, often a certain amount of coolant is remained in equipment liquid cooling runner or cavity, because joint has self-sealing function, the liquid cooling medium remained is made to be in a closed space, if ambient temperature raises, liquid cooling medium can increase by volume because of thermal expansion, equipment liquid cooling runner or inside cavity pressure will be caused like this to raise, will device damage be caused when pressure is elevated to equipment permissible value.Possible damaged condition mainly contains: liquid cooling runner or cavity bulge, malformation, break, leakage etc.These damage except causing economic loss, may cause serious consequence in addition, even fail safe, therefore must seek effective solution.
Utility model content
Provide one liquid cooling runner or cavity volume can be made to increase in order to overcome the above problems the utility model, reach the piston type automatic pressure relief device reducing internal pressure.
For achieving the above object, the utility model provides following technical scheme:
A kind of piston type automatic pressure relief device, is characterized in that: comprise piston, sealing ring I, spring, sleeve, sealing ring II, sleeve flange is provided with seal groove, be provided with sealing ring II in seal groove; Sleeve is provided with piston in one end, and the other end is provided with steam vent; Piston is provided with seal groove, sealing ring I is installed in seal groove; Also be provided with spring in sleeve, piston is withstood in one end of spring, and the other end withstands one end that sleeve is provided with steam vent; Piston can move along sleeve axial reciprocating; In mounting structure and sleeve, be respectively equipped with limited step I and limited step II, these two limited steps are used for the limit of sports record of limited piston; Steam vent makes space in sleeve communicate with atmosphere outside, but does not communicate with apparatus cools runner or cavity.
The quantity of described sealing ring I is for being more than or equal to 1.
Described sleeve flange is positioned at sleeve one end or is positioned in the middle part of sleeve, namely entirely embeds mount type, partly embeds mount type, outside mount type.
When equipment liquid cooling runner or the rising of inside cavity pressure reach certain value, this piston type automatic pressure relief device discharges volume by promoting piston compression spring, liquid cooling runner or cavity volume are increased, reach the object reducing internal pressure, keep the sealing of equipment liquid cooling runner or cavity simultaneously, avoid device damage and prevent coolant from leaking into outside equipment.
The present invention adopts mechanical structure, realizes volume-adjustment by spring, have that mechanism is simple, compact conformation, pressure controllable, easy for installation, environment resistant good, automatically unloading, without outstanding advantages such as coolant leakage, reliability are high, applied widely.
Accompanying drawing explanation
The structural representation that Fig. 1 is this piston type automatic pressure relief device example I (entirely embedding mount type).
The structural representation that Fig. 2 is this piston type automatic pressure relief device example II (partly embedding mount type).
Fig. 3 is the structural representation of this piston type automatic pressure relief device EXAMPLE III (outside mount type).
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Example I:
As shown in Figure 1, the utility model provides a kind of piston type automatic pressure relief device of full embedding mount type, comprises piston 1, sealing ring I2, spring 3, sleeve 4, sealing ring II5,
This full piston type automatic pressure relief device is installed on the position that equipment communicates with liquid cooling runner or cavity 7, the sleeve flange 12 of sleeve 4 is provided with seal groove, is provided with sealing ring II5 in seal groove; Sleeve flange 12 and the equipment of sleeve 4 adopt bolt or alternate manner to be fastenedly connected, and rely on the sealing between sealing ring II5 guarantee sleeve 4 and equipment mounting structure 9.Sleeve 4 is provided with piston 1 in one end, and the other end is provided with steam vent 11; Piston 1 is provided with 2 seal grooves, in 2 seal grooves, is separately installed with sealing ring I2, ensure the sealing between piston 1 and sleeve 4 inwall by sealing ring I2; Also be provided with spring 3 in sleeve 4, piston 1 is withstood in one end of spring 3, and the other end withstands one end that sleeve 4 is provided with steam vent 11; Under the effect of liquid cooling runner or cavity 7 internal pressure and spring 3, piston 1 can move along sleeve 4 axial reciprocating; In mounting structure 9 and sleeve 4, be respectively equipped with limited step I8 and limited step II10, these two limited steps are used for the limit of sports record of limited piston 1; Steam vent 11 makes space in sleeve 4 communicate with atmosphere outside, but does not communicate with apparatus cools runner or cavity 7, reaches the effect of equalizing pressure.Described sleeve flange 12 is provided with in the right part of sleeve 4.
Example II:
As shown in Figure 2, the utility model provides the piston type automatic pressure relief device that a kind of half embeds mount type, comprises piston 1, sealing ring I2, spring 3, sleeve 4, sealing ring II5,
This full piston type automatic pressure relief device is installed on the position that equipment communicates with liquid cooling runner or cavity 7, the sleeve flange 12 of sleeve 4 is provided with seal groove, is provided with sealing ring II5 in seal groove; Sleeve flange 12 and the equipment of sleeve 4 adopt bolt or alternate manner to be fastenedly connected, and rely on the sealing between sealing ring II5 guarantee sleeve 4 and equipment mounting structure 9.Sleeve 4 is provided with piston 1 in one end, and the other end is provided with steam vent 11; Piston 1 is provided with 2 seal grooves, in 2 seal grooves, is separately installed with sealing ring I2, ensure the sealing between piston 1 and sleeve 4 inwall by sealing ring I2; Also be provided with spring 3 in sleeve 4, piston 1 is withstood in one end of spring 3, and the other end withstands one end that sleeve 4 is provided with steam vent 11; Under the effect of liquid cooling runner or cavity 7 internal pressure and spring 3, piston 1 can move along sleeve 4 axial reciprocating; In mounting structure 9 and sleeve 4, be respectively equipped with limited step I8 and limited step II10, these two limited steps are used for the limit of sports record of limited piston 1; Steam vent 11 makes space in sleeve 4 communicate with atmosphere outside, but does not communicate with apparatus cools runner or cavity 7, reaches the effect of equalizing pressure.Described sleeve flange 12 is provided with at the middle part of sleeve 4.
EXAMPLE III:
As shown in Figure 3, the utility model provides the piston type automatic pressure relief device that a kind of half embeds mount type, comprises piston 1, sealing ring I2, spring 3, sleeve 4, sealing ring II5,
This full piston type automatic pressure relief device is installed on the position that equipment communicates with liquid cooling runner or cavity 7, the sleeve flange 12 of sleeve 4 is provided with seal groove, is provided with sealing ring II5 in seal groove; Sleeve flange 12 and the equipment of sleeve 4 adopt bolt or alternate manner to be fastenedly connected, and rely on the sealing between sealing ring II5 guarantee sleeve 4 and equipment mounting structure 9.Sleeve 4 is provided with piston 1 in one end, and the other end is provided with steam vent 11; Piston 1 is provided with 2 seal grooves, in 2 seal grooves, is separately installed with sealing ring I2, ensure the sealing between piston 1 and sleeve 4 inwall by sealing ring I2; Also be provided with spring 3 in sleeve 4, piston 1 is withstood in one end of spring 3, and the other end withstands one end that sleeve 4 is provided with steam vent 11; Under the effect of liquid cooling runner or cavity 7 internal pressure and spring 3, piston 1 can move along sleeve 4 axial reciprocating; In mounting structure 9 and sleeve 4, be respectively equipped with limited step I8 and limited step II10, these two limited steps are used for the limit of sports record of limited piston 1; Steam vent 11 makes space in sleeve 4 communicate with atmosphere outside, but does not communicate with apparatus cools runner or cavity 7, reaches the effect of equalizing pressure.Described sleeve flange 12 is provided with in the left part of sleeve 4.
A kind of piston type sealing pressure relief device that the utility model proposes, after disconnecting the self sealss liquid cooling fast connecting joint with ring control equipment interconnection, equipment liquid cooling runner or the interior residual coolant 6 of cavity 7 produce thermal expansion because ambient temperature raises, when causing equipment liquid cooling runner or cavity 7 internal pressure to be elevated to certain value, volume is discharged by promoting piston 1 Compress Spring 3, liquid cooling runner or cavity 7 volume are increased, reach the object reducing internal pressure, keep the sealing of equipment liquid cooling runner or cavity 7 simultaneously, avoid device damage and prevent coolant 6 from leaking into outside equipment.
The foregoing is only preferred embodiment of the present utility model, be not restricted to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.
Claims (3)
1. a piston type automatic pressure relief device, is characterized in that: comprise piston (1), sealing ring I (2), spring (3), sleeve (4), sealing ring II (5),
The sleeve flange (12) of sleeve (4) is provided with seal groove, sealing ring II (5) is installed in seal groove; Be provided with piston (1) in sleeve (4) one end, the other end is provided with steam vent (11); (1) is provided with seal groove to piston, is provided with sealing ring I (2) in seal groove; Also be provided with spring (3) in sleeve (4), piston (1) is withstood in one end of spring (3), and the other end withstands one end that sleeve (4) is provided with steam vent (11); Piston (1) can move along sleeve (4) axial reciprocating; In mounting structure (9) and sleeve (4), be respectively equipped with limited step I (8) and limited step II (10), these two limited steps are used for the limit of sports record of limited piston (1); Steam vent (11) makes sleeve (4) interior space communicate with atmosphere outside, but does not communicate with apparatus cools runner or cavity (7).
2. a kind of piston type automatic pressure relief device according to claim 1, is characterized in that: the quantity of described sealing ring I (2) is for being more than or equal to 1.
3. a kind of piston type automatic pressure relief device according to claim 1, is characterized in that: the sleeve flange (12) of described sleeve (4) is positioned at sleeve (4) one end or is positioned at sleeve (4) middle part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520939981.6U CN205161011U (en) | 2015-11-23 | 2015-11-23 | Piston automatic relief pressure device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520939981.6U CN205161011U (en) | 2015-11-23 | 2015-11-23 | Piston automatic relief pressure device |
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CN205161011U true CN205161011U (en) | 2016-04-13 |
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CN201520939981.6U Active CN205161011U (en) | 2015-11-23 | 2015-11-23 | Piston automatic relief pressure device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111750187A (en) * | 2020-07-03 | 2020-10-09 | 中国电子科技集团公司第十四研究所 | Novel blind plug of piston |
CN112555471A (en) * | 2020-11-20 | 2021-03-26 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Pressure relief valve for protecting blind-mate fluid connector socket |
CN116818545A (en) * | 2023-08-29 | 2023-09-29 | 中国电建集团北京勘测设计研究院有限公司 | Pressure-relief water drainage system and method for hydraulic fracturing ground stress test die device |
-
2015
- 2015-11-23 CN CN201520939981.6U patent/CN205161011U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111750187A (en) * | 2020-07-03 | 2020-10-09 | 中国电子科技集团公司第十四研究所 | Novel blind plug of piston |
CN112555471A (en) * | 2020-11-20 | 2021-03-26 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Pressure relief valve for protecting blind-mate fluid connector socket |
CN112555471B (en) * | 2020-11-20 | 2022-12-13 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Pressure relief valve for protecting blind-mate fluid connector socket |
CN116818545A (en) * | 2023-08-29 | 2023-09-29 | 中国电建集团北京勘测设计研究院有限公司 | Pressure-relief water drainage system and method for hydraulic fracturing ground stress test die device |
CN116818545B (en) * | 2023-08-29 | 2023-11-14 | 中国电建集团北京勘测设计研究院有限公司 | Pressure-relief water drainage system and method for hydraulic fracturing ground stress test die device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191104 Address after: Room 1401, floor 14, block a, building 1, Guorui building, No. 359, Jiangdong Middle Road, Jianye District, Nanjing City, Jiangsu Province, 210019 Patentee after: Nanjing Guorui Defense System Co., Ltd. Address before: 210039 No. 8, Rui Rui Road, Yuhuatai District, Jiangsu, Nanjing Patentee before: No. 14 Inst., China Electronic Science & Technology Group Corp. |
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TR01 | Transfer of patent right |