CN104500892A - Female head of quick coupling - Google Patents
Female head of quick coupling Download PDFInfo
- Publication number
- CN104500892A CN104500892A CN201410775251.7A CN201410775251A CN104500892A CN 104500892 A CN104500892 A CN 104500892A CN 201410775251 A CN201410775251 A CN 201410775251A CN 104500892 A CN104500892 A CN 104500892A
- Authority
- CN
- China
- Prior art keywords
- female
- spool
- pipe joint
- rapid pipe
- fluid passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to a female head of a quick coupling. The female head comprises a female head shell, wherein a female head valve core and a movable seal sleeve are movably assembled in a female head fluid passage of the female head shell in a guide manner; a female head spring is abutted between the movable seal sleeve and the female head valve core; a sealing section, which is in seal fit with a sealing structure of the seal sleeve to seal the female head fluid passage when being located at a backward limit position, is arranged at the periphery of the female head valve core; a pressure relief section, which is positioned on the rear side of the sealing section for forming a pressure relief passage with the sealing structure of the seal sleeve after the female head valve core moves forwards, is also arranged at the periphery of the female head valve core. The invention provides the female head of the quick coupling capable of realizing automatic pressure relief.
Description
Technical field
The present invention relates to a kind of rapid pipe joint female.
Background technique
In liquid-cooling system, the critical component of heat radiation is cold drawing, during use by heater members near being mounted on cold drawing, thus realization carries out heat exchange to obtain the object of dispelling the heat with the interior cooling liquid flowed of cold drawing, therefore the planeness of cold drawing is a key parameter of cold drawing, cold drawing arranges the rapid pipe joint female with cold drawing inner space, in rapid pipe joint female, rapid pipe joint male is connected during debugging, by rapid pipe joint male, rapid pipe joint female injects cooling liquid in the inner chamber of cold drawing, performing leak test and thermal performance test are carried out to the cooling liquid of cold drawing inside, after test passes, rapid pipe joint male and rapid pipe joint female are disconnected, cold drawing and rapid pipe joint female entirety warehouse-in store or transport.Existing rapid pipe joint female is " a kind of rapid connector component and one-way sealing joint thereof " disclosed in Chinese patent CN101581392A, rapid connector component comprises rapid pipe joint male and rapid pipe joint female, it is bayonet end that rapid pipe joint female comprises front end, rear end is the female housing of conduit connection end, the female fluid passage running through female housing is along the longitudinal direction provided with in female housing, the middle part of female fluid passage is provided with female spool, the external elastic of female spool is equipped with Moveable seal cartridge, female spring is when free state, female spool and Moveable seal cartridge are sealed and matched with shutoff female fluid passage, it is bayonet end that rapid pipe joint male comprises front end, rear end is the male housing of conduit connection end, the male fluid passage running through male housing is along the longitudinal direction provided with in male housing, male fluid passage Elastic is equipped with male spool, when spring is in free state, male spool coordinates with shutoff male fluid passage with male housing seal, in rapid pipe joint male, during the non-grafting of rapid pipe joint female, by spring action Moveable seal cartridge shutoff female fluid passage, male spool shutoff male fluid passage, when rapid pipe joint male, during the grafting of rapid pipe joint female, move after male housing pushing tow Moveable seal cartridge makes Moveable seal cartridge, move after female spool pushing tow male spool makes male spool, conducting female fluid passage is formed between such female spool and male housing, the communicating passage of male fluid passage, cooling liquid can through rapid pipe joint male, rapid pipe joint female injects cold drawing, after a test, rapid pipe joint male is pulled out by rapid pipe joint female, again move forward and shutoff female fluid passage by spring action Moveable seal cartridge.Existing this rapid pipe joint female Problems existing is: during due to debugging cold drawing, cold drawing inside can be full of cooling liquid, after debugging terminates, normally directly disconnect rapid pipe joint female and rapid pipe joint male, now cold drawing inside is still full of cooling liquid, if directly warehouse-in is deposited or is transported, when the temperature increases, cooling liquid can expand, this expansion is inevitable and quite strong, the cooling liquid volume expanded increases, when cooling liquid is when being full of seal container, then can show as pressure sharply to increase, light then cold drawing Surface deformation can be caused, bulge, heavy then cause cold drawing to break, leakage, these two kinds of situations all can directly cause scrapping of cold drawing.
Summary of the invention
The object of the present invention is to provide one can self-relieving rapid pipe joint female.
In order to solve the problem, technological scheme of the present invention is:
A kind of rapid pipe joint female, comprise the female housing that front end is bayonet end, the female fluid passage running through female housing is along the longitudinal direction provided with in female housing, the female spool of front end for the male spool of the corresponding rapid pipe joint male of pushing tow is provided with in female fluid passage, in the female fluid passage of female spool periphery, guiding movement assembling is used for by the Moveable seal cartridge of the male housing pushing tow of described rapid pipe joint male, the inwall of Moveable seal cartridge is provided with stuffing box gland sealing configuration, described female spool guiding movement is assemblied in female fluid passage, female housing is provided with for coordinating to limit the spool limit structure that female spool moves the limit with female spool is spacing backwards, push up between Moveable seal cartridge and female spool and be provided with female spring, the periphery of female spool have be in for female spool after when moving limit position and described stuffing box gland sealing configuration be sealed and matched with the seal section of female fluid passage described in shutoff, the periphery of female spool also has the pressure release section for forming pressure release passage forward after female spool moves and between described stuffing box gland sealing configuration be positioned on rear side of described seal section.
The external diameter of described pressure release section is less than the external diameter of described seal section, and described pressure release passage is surrounded by pressure release section and stuffing box gland sealing configuration.
The conduit wall of described female fluid passage is provided with for coordinating to limit the limited step that female spool moves the limit forward with described female spool is spacing.
Beneficial effect of the present invention is: when the rapid pipe joint male grafting of this rapid pipe joint female not with adaptation, seal section on the stuffing box gland sealing configuration of Moveable seal cartridge and female spool is sealed and matched thus realizes shutoff female fluid passage, when this rapid pipe joint female and adaptive rapid pipe joint male grafting, move after the male spool of the female spool pushing tow rapid pipe joint male of rapid pipe joint female makes male spool, move after the Moveable seal cartridge of the male housing pushing tow rapid pipe joint female of rapid pipe joint male makes Moveable seal cartridge, so just by rapid pipe joint male, female injects cooling liquid in corresponding cold drawing, after cold drawing has been detected, pull out rapid pipe joint male, by female spring action, female spool moves to backward after limit position and female spool are in and moves limit position, now seal section and stuffing box gland sealing configuration are sealed and matched with shutoff female fluid passage, if the cooling liquid in cold drawing is heated and volume increases, cooling liquid will give female spool one forward to active force, this active force is greater than the active force of female spring and promotes female spool and move forward, now pressure release section moves to the position corresponding with stuffing box gland sealing configuration, cooling liquid will be released by the pressure release passage formed between stuffing box gland sealing configuration and pressure release section, realize the releasing pressure automatically of rapid pipe joint female, thus ensure that cold drawing is not damaged by pressure by pressure.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of rapid pipe joint female in the present invention;
Structural representation when Fig. 2 is rapid pipe joint female pressure release in Fig. 1;
Fig. 3 is the using state figure of Fig. 1;
Fig. 4 is the structural representation in the present invention before rapid pipe joint female and the grafting of rapid pipe joint male;
Fig. 5 is the structural representation in the present invention after rapid pipe joint female and the grafting of rapid pipe joint male.
Embodiment
A kind of embodiment of rapid pipe joint female is as shown in Fig. 1 ~ 5: comprise female housing 5, the front end of female housing 5 is the bayonet end for the rapid pipe joint male grafting with adaptation, the rear end outer circumferential face of female housing is provided with the connecting thread 6 for being connected with cold drawing.The female fluid passage running through female housing is along the longitudinal direction provided with in female housing, in female fluid passage, guiding movement is equipped with the female spool 10 of the male spool for pushing tow rapid pipe joint male, female housing 5 is provided with for coordinating with female spool is spacing the spool limit structure moving the limit with present female spool backwards, spool limit structure comprises the jump ring 9 be installed on the conduit wall of rear end, female fluid passage, the conduit wall of female fluid passage is provided with for coordinating to limit the limited step 8 that female spool moves the limit forward with female spool rear end is spacing.In the female fluid passage of female spool periphery, guiding movement is equipped with for by the Moveable seal cartridge 4 of the male housing pushing tow of rapid pipe joint male, the inwall of Moveable seal cartridge 4 is provided with stuffing box gland sealing configuration, in the present embodiment, stuffing box gland sealing configuration is seal ring 3, push up between Moveable seal cartridge and female spool and be provided with female spring 7, the outer circumferential face of female spool have when to move limit position after being in for female spool and stuffing box gland sealing configuration is sealed and matched with the seal section 2 of shutoff female fluid passage, the periphery of female spool also has the pressure release section 1 for forming pressure release passage forward after female spool moves and between stuffing box gland sealing configuration be positioned on rear side of seal section, the external diameter of pressure release section is less than the external diameter of seal section, the conical surface transition section that diameter from front to back diminishes gradually is provided with between seal section and pressure release section, pressure release passage 11 is surrounded by pressure release section and stuffing box gland sealing configuration.In Fig. 2, arrow represents coolant flow direction.
This rapid pipe joint female is not when using, by the effect of female spring push, Moveable seal cartridge is in reach limit position, limit position is moved after female spool is in, the stuffing box gland sealing configuration that seal section now on female spool and movable sealing put is sealed and matched thus realizes shutoff female fluid passage, the female housing of rapid pipe joint female 13 is connected on corresponding cold drawing 14 during use, when needs are tested cold drawing, rapid pipe joint male and the grafting of rapid pipe joint female, move after the male housing 30 pushing tow Moveable seal cartridge of rapid pipe joint male makes Moveable seal cartridge, move after the male spool 31 of female spool pushing tow rapid pipe joint male makes male spool, conducting female fluid passage is formed between such female spool and male housing, the communicating passage of male fluid passage, this process is consistent with prior art, be not described in detail in this, cooling liquid can be injected in cold drawing subsequently by rapid pipe joint male, after test terminates, pull out rapid pipe joint male, by female spring action, Moveable seal cartridge resets, female fluid passage is by shutoff again, if cooling liquid is temperature-resistant in cold drawing, female fluid passage is just in sealed condition always, when the temperature of cooling liquid in cold drawing raises, the volume of cooling liquid increases, the directed force F 2 of cooling liquid to female spool is greater than the directed force F 1 of female spring and the frictional force f sum between seal section and seal ring, so female spool can be advanced mobile, until move to pressure release section and stuffing box gland sealing configuration opposite position place, now cooling liquid can vent through the pressure release passage between pressure release section and seal ring, thus protection cold drawing, when coolant pressure in cold drawing reduces, female spring moves reset after driving female spool, female circulation passage is by shutoff again.In figure, P represents the pressure of cooling liquid to spool.Fig. 3 middle term 15 represents the heater members be arranged on cold drawing; Item 12 represents socket end end plates.
In other embodiments of the invention: limited step also can not be established; Jump ring can also be replaced by other spool limit structure such as pressing plate, gland; The external diameter of pressure release section also can be consistent with seal section external diameter, and now pressure release passage can directly be opened on the outer circumferential face of pressure release section, and when female spool moves forward and makes pressure release section corresponding with seal ring, cooling liquid can be discharged through pressure release passage.
Claims (3)
1. a rapid pipe joint female, comprise the female housing that front end is bayonet end, the female fluid passage running through female housing is along the longitudinal direction provided with in female housing, the female spool of front end for the male spool of the corresponding rapid pipe joint male of pushing tow is provided with in female fluid passage, in the female fluid passage of female spool periphery, guiding movement assembling is used for by the Moveable seal cartridge of the male housing pushing tow of described rapid pipe joint male, the inwall of Moveable seal cartridge is provided with stuffing box gland sealing configuration, it is characterized in that: described female spool guiding movement is assemblied in female fluid passage, female housing is provided with for coordinating to limit the spool limit structure that female spool moves the limit with female spool is spacing backwards, push up between Moveable seal cartridge and female spool and be provided with female spring, the periphery of female spool have be in for female spool after when moving limit position and described stuffing box gland sealing configuration be sealed and matched with the seal section of female fluid passage described in shutoff, the periphery of female spool also has the pressure release section for forming pressure release passage forward after female spool moves and between described stuffing box gland sealing configuration be positioned on rear side of described seal section.
2. rapid pipe joint female according to claim 1, is characterized in that: the external diameter of described pressure release section is less than the external diameter of described seal section, and described pressure release passage is surrounded by pressure release section and stuffing box gland sealing configuration.
3. rapid pipe joint female according to claim 1 and 2, is characterized in that: the conduit wall of described female fluid passage is provided with for coordinating to limit the limited step that female spool moves the limit forward with described female spool is spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775251.7A CN104500892A (en) | 2014-12-16 | 2014-12-16 | Female head of quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410775251.7A CN104500892A (en) | 2014-12-16 | 2014-12-16 | Female head of quick coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500892A true CN104500892A (en) | 2015-04-08 |
Family
ID=52942324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410775251.7A Pending CN104500892A (en) | 2014-12-16 | 2014-12-16 | Female head of quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500892A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370939A (en) * | 2015-07-31 | 2016-03-02 | 中航光电科技股份有限公司 | Pressure release valve and connector pressure release assembly |
| CN105465432A (en) * | 2015-07-31 | 2016-04-06 | 中航光电科技股份有限公司 | Pressure relief assembly for fluid connector |
| GB2559208A (en) * | 2017-01-27 | 2018-08-01 | Eaton Sas | Flat face male hydraulic coupling |
| CN110608329A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Fluid connector socket and fluid connector |
| CN111120700A (en) * | 2019-12-09 | 2020-05-08 | 中航光电科技股份有限公司 | Self-pressure-relief fluid connector joint and liquid cooling system |
| CN112856075A (en) * | 2020-12-31 | 2021-05-28 | 江苏益诚精密器件科技有限公司 | Fluid connector with sealing ring protection structure |
| CN114233965A (en) * | 2021-11-29 | 2022-03-25 | 中航光电科技股份有限公司 | Low plug power fluid connector and socket |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4447040A (en) * | 1983-04-20 | 1984-05-08 | Systron-Donner | Fluid line coupling with relief valve |
| CN2095994U (en) * | 1990-10-05 | 1992-02-12 | 四川航空液压机械厂 | Self seal joint for air conditioning and refrigeration |
| US5215122A (en) * | 1991-12-09 | 1993-06-01 | Aeroquip Corporation | Quick disconnect fluid coupling with integral pressure relief feature |
| CN101581392A (en) * | 2009-06-09 | 2009-11-18 | 中航光电科技股份有限公司 | Fast joint component and unidirectional sealing joint thereof |
| CN103975186A (en) * | 2011-10-14 | 2014-08-06 | 可得制品公司 | Coupling |
-
2014
- 2014-12-16 CN CN201410775251.7A patent/CN104500892A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4447040A (en) * | 1983-04-20 | 1984-05-08 | Systron-Donner | Fluid line coupling with relief valve |
| CN2095994U (en) * | 1990-10-05 | 1992-02-12 | 四川航空液压机械厂 | Self seal joint for air conditioning and refrigeration |
| US5215122A (en) * | 1991-12-09 | 1993-06-01 | Aeroquip Corporation | Quick disconnect fluid coupling with integral pressure relief feature |
| CN101581392A (en) * | 2009-06-09 | 2009-11-18 | 中航光电科技股份有限公司 | Fast joint component and unidirectional sealing joint thereof |
| CN103975186A (en) * | 2011-10-14 | 2014-08-06 | 可得制品公司 | Coupling |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370939A (en) * | 2015-07-31 | 2016-03-02 | 中航光电科技股份有限公司 | Pressure release valve and connector pressure release assembly |
| CN105465432A (en) * | 2015-07-31 | 2016-04-06 | 中航光电科技股份有限公司 | Pressure relief assembly for fluid connector |
| CN105465432B (en) * | 2015-07-31 | 2018-04-24 | 中航光电科技股份有限公司 | A kind of fluid connector pressure release component |
| CN105370939B (en) * | 2015-07-31 | 2018-07-03 | 中航光电科技股份有限公司 | A kind of relief valve and connector pressure release component |
| GB2559208A (en) * | 2017-01-27 | 2018-08-01 | Eaton Sas | Flat face male hydraulic coupling |
| CN110608329A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Fluid connector socket and fluid connector |
| CN111120700A (en) * | 2019-12-09 | 2020-05-08 | 中航光电科技股份有限公司 | Self-pressure-relief fluid connector joint and liquid cooling system |
| CN111120700B (en) * | 2019-12-09 | 2022-03-11 | 中航光电科技股份有限公司 | Self-pressure-relief fluid connector joint and liquid cooling system |
| CN112856075A (en) * | 2020-12-31 | 2021-05-28 | 江苏益诚精密器件科技有限公司 | Fluid connector with sealing ring protection structure |
| CN114233965A (en) * | 2021-11-29 | 2022-03-25 | 中航光电科技股份有限公司 | Low plug power fluid connector and socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |
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| RJ01 | Rejection of invention patent application after publication |