CN103016879A - Fluid connector as well as plug and socket of fluid connector - Google Patents
Fluid connector as well as plug and socket of fluid connector Download PDFInfo
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- CN103016879A CN103016879A CN2012104814673A CN201210481467A CN103016879A CN 103016879 A CN103016879 A CN 103016879A CN 2012104814673 A CN2012104814673 A CN 2012104814673A CN 201210481467 A CN201210481467 A CN 201210481467A CN 103016879 A CN103016879 A CN 103016879A
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Abstract
The invention relates to a pipeline connection piece, in particular to a fluid connector as well as a plug and a socket of the fluid connector. The fluid connector comprises the plug and the socket, wherein the plug comprises a plug housing; a push pressing spring, a sealing plug and a plug sealing ring are assembled in a fluid channel of the plug housing; the socket comprises a socket housing; a central spindle, a top spring, a sealing sleeve and a socket sealing ring are assembled in a fluid channel of the socket housing; the back end of a reducing sealing section of the socket housing is provided with a step surface facing the back of the plug; a hard sealing ring is arranged on the outer wall surface of the sealing plug and at the back of the plug sealing ring; the sealing plug and the housing sealing section form hard sealing therebetween through mutually pressing of the hard sealing ring and the step surface; when the fluid connector is used, primary sealing is firstly formed by depending on the sealing mechanism of the plug sealing ring; and when the pressure is increased, the pressure of liquid inside the connector firstly acts on the hard sealing, and the plug sealing ring blocks the pressure of partial liquid left by the hard sealing, so that the problem that the self-sealing of an existing fluid connector with a self-sealing function is not reliable.
Description
Technical field
The present invention relates to pipeline connecting parts, especially a kind of fluid connector and plug and socket thereof.
Background technique
At present, adopt fluid connector all to need to have self sealing structure in the liquid cooling technology, so that install, detect and maintenance.
Application number is that 2012101904428 the disclosed floating junction assembly of Chinese patent is exactly a kind of of fluid connector, this floating junction assembly comprises plug and socket, plug and socket is separately take front end as bayonet end, wherein plug comprises plug casing, plug casing has the fluid passage, be equipped with sealing plug in the fluid passage of plug, be top-loaded with the pushing spring between the rear end of described sealing plug and the housing, the pushing spring provides forward thrust for sealing plug, in addition, the front end of plug casing is provided with the undergauge seal section, the front portion of sealing plug has the cock body seal section corresponding with the undergauge seal section of plug casing, is sealed and matched by the plug seal ring between the internal face of cock body seal section and undergauge seal section; Socket comprises Socket casing, Socket casing has the fluid passage equally, fixedly be equipped with mandrel in the fluid passage, tandem stuffing box gland and the top spring of being set with on the mandrel, the top spring provides the thrust that moves forward for stuffing box gland, wherein the front end of mandrel has columniform sealing head, has the circular hole corresponding with the sealing head on the stuffing box gland, is sealed and matched by the socket seal circle between the hole wall of this circular hole and the outer wall of sealing head; Above-mentioned plug and socket is when plugging together, the undergauge seal section of plug casing inserts in the Socket casing and promotes backward stuffing box gland, thereby being sealed and matched and the fluid passage of Socket casing got through between depressurization cover and the sealing head, meanwhile, the mandrel of socket promotes the sealing plug of plug backward, thereby the sealing between sealing plug and the undergauge seal section is removed, thereby realize getting through the fluid passage of plug casing, so far plug and socket cooperates the medium loop conducting with correspondence, when the two separates, mandrel all disappears to the pressure on top surface of sealing plug and the plug casing pressure on top surface to stuffing box gland, then automatically reset under each comfortable corresponding spring of stuffing box gland and sealing plug and the fluid pressure action, thereby realize the self-styled of plug and socket.
By above description as can be known, be spring with the common structure that adopts of the fluid connector of self-sealing function restoring force is provided, rely on seal ring generation resiliently deformable, cause contact to seal at sealing contact surface, when the interior pressure of contact greater than sealed medium, then do not leak, otherwise then leak.Yet, what seal ring adopted is homogeneous fine and closely woven rubber manufacturing, when the seal ring amount of tension is excessive, cause easily cross-sectional dimension to reduce too greatly and cause leakage, when decrement is too small, can not play seal action, when decrement is excessive, go out easily the breakage that stress relaxation causes seal ring, cause leakage, generally speaking, there is self-styled insecure problem in the present fluid connector with self-sealing function.
Summary of the invention
The object of the present invention is to provide a kind of moderate fluid connector of decrement that can make seal ring, to solve self-styled insecure problem of existing fluid connector with self-sealing function.
Simultaneously, the present invention also aims to provide the plug and socket of above-mentioned fluid connector.
In order to address the above problem, fluid connector of the present invention is by the following technical solutions: fluid connector, comprise plug and socket, described plug and socket is separately take front end as bayonet end, plug comprises plug casing, be equipped with the pushing spring in the fluid passage of plug casing, sealing plug and plug seal ring, socket comprises Socket casing, be equipped with mandrel in the fluid passage of Socket casing, the top spring, stuffing box gland and socket seal circle, the undergauge seal section rear end of plug casing has towards the step surface at plug rear, has hard seal ring at place, plug seal ring rear on the outer wall of sealing plug, the external diameter of described hard seal ring is greater than the external diameter of cock body seal section, and the mutual top swaging by hard seal ring and step surface between sealing plug and the housing seal section becomes hard sealing.
Described step surface is the conical surface of expanding to the periphery of plug casing gradually from front to back.
Be connected smoothly by arc surface between the leading flank of described hard seal ring and the outer circumferential face, hard seal ring is cooperated with step surface by this arc surface with hard sealing between the housing seal section and forms.
The sealing head rear end of mandrel has the step surface at socket object rear, place, rear at the socket seal circle on the internal face of described stuffing box gland has hard seal ring, the internal diameter of the hard seal ring of stuffing box gland is less than the external diameter of sealing head, and between the step surface of the hard seal ring of stuffing box gland and sealing head rear end mutually the top swaging become hard sealing between sealing head and the stuffing box gland.
The step surface of sealing head rear end is gradually to the conical surface of the peripheral expansion of Socket casing before backward.
Plug of the present invention is by the following technical solutions: plug, this plug is take front end as bayonet end, comprise plug casing, be equipped with pushing spring, sealing plug and plug seal ring in the fluid passage of plug casing, the undergauge seal section rear end of plug casing has the rearward step surface of face, has hard seal ring at place, plug seal ring rear on the outer wall of sealing plug, the external diameter of described hard seal ring is greater than the external diameter of cock body seal section, and the mutual top swaging by hard seal ring and step surface between stuffing box gland and the sealing head becomes hard sealing.
Described step surface is the conical surface of expanding to the periphery of plug casing gradually from front to back.
Socket of the present invention is by the following technical solutions: socket, this socket is take front end as bayonet end, comprise Socket casing, be equipped with mandrel, top spring, stuffing box gland and socket seal circle in the fluid passage of Socket casing, the sealing head rear end of mandrel has the rearward step surface of face, place, rear at the socket seal circle on the internal face of described stuffing box gland has hard seal ring, and the internal diameter of hard seal ring is less than the external diameter of sealing head, and the step surface of hard seal ring and sealing head rear end forms hard sealing.
Described step surface is gradually to the inclined-plane of the peripheral expansion of Socket casing before backward.
Be connected smoothly by arc surface between the leading flank of described hard seal ring and the inner peripheral surface, hard seal ring is cooperated with step surface by this arc surface with hard sealing between the described step surface and forms.
Because the undergauge seal section rear end of the plug casing of fluid connector of the present invention has towards the step surface at plug rear, and has hard seal ring at place, plug seal ring rear on the outer wall of sealing plug, the external diameter of described hard seal ring is greater than the external diameter of cock body seal section, mutual top swaging by hard seal ring and step surface between sealing plug and the housing seal section becomes hard sealing, this shows, the plug of fluid connector of the present invention forms the double sealing structure of hard sealing and the sealing of plug seal ring, in the process of using, at first rely on the sealing mechanism of plug seal ring to form preliminary sealing, assurance liquid is not revealed, when pressure increases, fluid pressure makes hard seal ring contact with seal casinghousing with pushing spring restoring force crush seal plug, form hard sealing, like this, the pressure of connector internal liquid at first acts in the hard sealing, stop most of pressure, the plug seal ring then becomes the auxiliary seal effect, the pressure that stops the partially liq that hard sealing is remaining, can improve the working life of seal ring, reduce the pressure that bears of seal ring, thereby can make the decrement of seal ring moderate, solve self-styled insecure problem of existing fluid connector with self-sealing function.
Description of drawings
Fig. 1 is the embodiment's 1 of the fluid connector of the present invention structural representation of plug;
Fig. 2 is the embodiment's 1 of the fluid connector of the present invention structural representation of socket;
Fig. 3 is the structural representation of plug of the present invention;
Fig. 4 is the structural representation of socket of the present invention.
Embodiment
The embodiment 1 of fluid connector of the present invention shown in Fig. 1-2, comprises plug 101 and socket 102, and plug 101 and socket 102 are separately take front end as bayonet end.
The structure of plug 101 as shown in Figure 1, comprise plug casing 11, plug casing 11 has the fluid passage, be equipped with sealing plug 12 in the fluid passage of plug casing 11, sealing plug 12 is movable before and after can be in the fluid passage of plug casing 11, be top-loaded with pushing spring 13 between the rear end of sealing plug 12 and the plug casing 11, pushing spring 13 provides forward thrust for sealing plug 12, in addition, the front end of plug casing 11 is provided with undergauge seal section 111, this undergauge seal section 111 is to be dwindled at the front end place and formed by the fluid passage in the plug casing actually, the front portion of sealing plug 12 has the cock body seal section 121 corresponding with the undergauge seal section of plug casing 11, be sealed and matched by plug seal ring 14 between the internal face of cock body seal section 121 and undergauge seal section 111, wherein cock body seal section 121 is provided with seal groove, plug seal ring 14 is arranged in the sealing ring recess, in addition, the rear end of undergauge seal section 111 forms a step surface, in the present embodiment, this step surface is the conical surface of expanding to the periphery of plug casing 11 gradually from front to back, the cock body seal section of sealing plug 12 is provided with hard seal ring, in the present embodiment, hard seal ring and sealing plug are the integral type structure, above-mentioned seal groove just is located at the adjoining position place of hard seal ring and cock body seal section, this is so that the front-end face of hard seal ring forms the rear side cell wall of seal groove simultaneously, simultaneously, the external diameter of hard seal ring is greater than the external diameter of cock body seal section 121, mutually top pressure and the hard sealing of formation between the front side of hard seal ring and the step surface of undergauge seal section rear end, in the present embodiment, be connected smoothly by arc surface between the front-end face of hard seal ring and the outer circumferential face, and hard seal ring is to form hard sealing structure by the step surface top press fit that this arc surface and undergauge seal section rear end form, and described arc surface also plays the effect that prevents that sealing plug from deviating from from the front end of plug casing simultaneously.
The structure of socket 102 as shown in Figure 2, comprise Socket casing 21, Socket casing 21 has the fluid passage equally, fixedly be equipped with mandrel 22 in the fluid passage, tandem stuffing box gland 23 and the top spring 24 of being set with on the mandrel 22, wherein stuffing box gland 23 can be movable in the fluid passage of Socket casing 21 along fore-and-aft direction, top spring 24 provides the thrust that moves forward for stuffing box gland 23, the front end of mandrel 22 has columniform sealing head 221, have the circular hole corresponding with sealing 221 on the stuffing box gland 23, be sealed and matched by socket seal circle 25 between the outer wall of the hole wall of this circular hole and sealing head 221, in the present embodiment, the rear end of sealing head 221 forms the step surface at a socket object rear, this step surface is gradually to the conical surface of the periphery expansion of plug casing before backward, also be provided with hard seal ring on the internal face of stuffing box gland 23, in the present embodiment, this hard seal ring and stuffing box gland 23 are integral structure and are positioned at place, socket seal circle 25 rears, the internal diameter of hard seal ring is less than the internal diameter of the described circular hole on the stuffing box gland 23, and less than the external diameter of sealing head 221, the hole wall of described circular hole is provided with seal groove, socket seal circle 25 is arranged in the sealing ring recess, the hard seal ring of stuffing box gland 23 forms the rear side cell wall of sealing ring recess simultaneously, in the present embodiment, be connected smoothly by arc surface between the leading flank of hard seal ring and the inner peripheral surface, hard seal ring is cooperated with the step surface of sealing head rear end by this arc surface with hard sealing structure between the sealing head and forms, simultaneously, this arc surface also plays the effect that prevents that stuffing box gland 23 from deviating from from the front end of Socket casing.
Above-mentioned plug and socket is when plugging together, the undergauge seal section of plug casing inserts in the Socket casing and promotes backward stuffing box gland, thereby being sealed and matched and the fluid passage of Socket casing got through between depressurization cover and the sealing head, meanwhile, the mandrel of socket promotes the sealing plug of plug backward, thereby the sealing between sealing plug and the undergauge seal section is removed, thereby realize getting through the fluid passage of plug casing, so far plug and socket cooperates the medium loop conducting with correspondence, when the two separates, mandrel all disappears to the pressure on top surface of sealing plug and the plug casing pressure on top surface to stuffing box gland, then automatically reset under each comfortable corresponding spring of stuffing box gland and sealing plug and the fluid pressure action, thereby realize the self-styled of plug and socket.
The embodiment 1 of plug of the present invention, as shown in Figure 3, the structure of the plug in the present embodiment is identical with the structure of the plug of above-mentioned fluid connector, and it will not go into details herein.
The embodiment 1 of socket of the present invention, as shown in Figure 4, the structure of the socket in the present embodiment is identical with the structure of the socket of above-mentioned fluid connector, and it will not go into details herein.
Claims (10)
1. fluid connector, comprise plug and socket, described plug and socket is separately take front end as bayonet end, plug comprises plug casing, be equipped with the pushing spring in the fluid passage of plug casing, sealing plug and plug seal ring, socket comprises Socket casing, be equipped with mandrel in the fluid passage of Socket casing, the top spring, stuffing box gland and socket seal circle, it is characterized in that, the undergauge seal section rear end of plug casing has towards the step surface at plug rear, has hard seal ring at place, plug seal ring rear on the outer wall of sealing plug, the external diameter of described hard seal ring is greater than the external diameter of cock body seal section, and the mutual top swaging by hard seal ring and step surface between sealing plug and the housing seal section becomes hard sealing.
2. fluid connector according to claim 1 is characterized in that, described step surface is the conical surface of expanding to the periphery of plug casing gradually from front to back.
3. fluid connector according to claim 2 is characterized in that, is connected smoothly by arc surface between the leading flank of described hard seal ring and the outer circumferential face, and hard seal ring is cooperated with step surface by this arc surface with hard sealing between the housing seal section and forms.
4. according to claim 1 and 2 or 3 described fluid connectors, it is characterized in that, the sealing head rear end of mandrel has the step surface at socket object rear, place, rear at the socket seal circle on the internal face of described stuffing box gland has hard seal ring, the internal diameter of the hard seal ring of stuffing box gland is less than the external diameter of sealing head, and between the step surface of the hard seal ring of stuffing box gland and sealing head rear end mutually the top swaging become hard sealing between sealing head and the stuffing box gland.
5. fluid connector according to claim 4 is characterized in that, the step surface of sealing head rear end is gradually to the conical surface of the peripheral expansion of Socket casing before backward.
6. plug, this plug is take front end as bayonet end, comprise plug casing, be equipped with pushing spring, sealing plug and plug seal ring in the fluid passage of plug casing, it is characterized in that the undergauge seal section rear end of plug casing has the rearward step surface of face, have hard seal ring at place, plug seal ring rear on the outer wall of sealing plug, the external diameter of described hard seal ring is greater than the external diameter of cock body seal section, and the mutual top swaging by hard seal ring and step surface between stuffing box gland and the sealing head becomes hard sealing.
7. plug according to claim 6 is characterized in that, described step surface is the conical surface of expanding to the periphery of plug casing gradually from front to back.
8. socket, this socket is take front end as bayonet end, comprise Socket casing, be equipped with mandrel, top spring, stuffing box gland and socket seal circle in the fluid passage of Socket casing, it is characterized in that the sealing head rear end of mandrel has the rearward step surface of face, the place, rear at the socket seal circle on the internal face of described stuffing box gland has hard seal ring, the internal diameter of hard seal ring is less than the external diameter of sealing head, and the step surface of hard seal ring and sealing head rear end forms hard sealing.
9. socket according to claim 8 is characterized in that, described step surface is gradually to the inclined-plane of the peripheral expansion of Socket casing before backward.
10. socket according to claim 9 is characterized in that, is connected smoothly by arc surface between the leading flank of described hard seal ring and the inner peripheral surface, and hard seal ring is cooperated with step surface by this arc surface with hard sealing between the described step surface and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481467.3A CN103016879B (en) | 2012-11-23 | 2012-11-23 | fluid connector and plug and socket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481467.3A CN103016879B (en) | 2012-11-23 | 2012-11-23 | fluid connector and plug and socket thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016879A true CN103016879A (en) | 2013-04-03 |
| CN103016879B CN103016879B (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210481467.3A Active CN103016879B (en) | 2012-11-23 | 2012-11-23 | fluid connector and plug and socket thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103016879B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565638A (en) * | 2014-12-16 | 2015-04-29 | 中航光电科技股份有限公司 | Quick coupling assembly |
| CN107061910A (en) * | 2017-02-10 | 2017-08-18 | 中国船舶重工集团公司第七二三研究所 | Fluid connector |
| CN110005890A (en) * | 2019-04-10 | 2019-07-12 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | A kind of real-time leakage detection apparatus of fluid connector |
| CN110671562A (en) * | 2019-08-30 | 2020-01-10 | 中航光电科技股份有限公司 | Microminiature is pressed and is pressed plug fluid coupling ware |
| 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 |
| CN113898811A (en) * | 2021-10-18 | 2022-01-07 | 贵州航天电器股份有限公司 | Fluid connector |
| CN114233959A (en) * | 2021-12-21 | 2022-03-25 | 苏州华旃航天电器有限公司 | Pressure plugging fluid connector |
| CN114748199A (en) * | 2016-01-25 | 2022-07-15 | 洁碧有限公司 | Reduced form factor oral irrigator |
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| US20060141869A1 (en) * | 2004-12-24 | 2006-06-29 | Atsuo Miyajima | Tube for transporting fluid |
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| CN102691845A (en) * | 2012-06-11 | 2012-09-26 | 中航光电科技股份有限公司 | Floating connector assembly and floating female connector thereof |
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Patent Citations (6)
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| US20060141869A1 (en) * | 2004-12-24 | 2006-06-29 | Atsuo Miyajima | Tube for transporting fluid |
| CN102235560A (en) * | 2010-04-28 | 2011-11-09 | 长堀工业株式会社 | Pipe coupling |
| CN202039872U (en) * | 2011-03-31 | 2011-11-16 | 乐清市东风煤矿设备有限公司 | Large-flow check valve |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565638A (en) * | 2014-12-16 | 2015-04-29 | 中航光电科技股份有限公司 | Quick coupling assembly |
| CN114748199A (en) * | 2016-01-25 | 2022-07-15 | 洁碧有限公司 | Reduced form factor oral irrigator |
| CN107061910A (en) * | 2017-02-10 | 2017-08-18 | 中国船舶重工集团公司第七二三研究所 | Fluid connector |
| CN110005890A (en) * | 2019-04-10 | 2019-07-12 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | A kind of real-time leakage detection apparatus of fluid connector |
| CN110671562A (en) * | 2019-08-30 | 2020-01-10 | 中航光电科技股份有限公司 | Microminiature is pressed and is pressed plug fluid coupling ware |
| 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 |
| CN113898811A (en) * | 2021-10-18 | 2022-01-07 | 贵州航天电器股份有限公司 | Fluid connector |
| CN113898811B (en) * | 2021-10-18 | 2022-12-06 | 贵州航天电器股份有限公司 | Fluid connector |
| CN114233959A (en) * | 2021-12-21 | 2022-03-25 | 苏州华旃航天电器有限公司 | Pressure plugging fluid connector |
| CN114233959B (en) * | 2021-12-21 | 2024-01-23 | 苏州华旃航天电器有限公司 | Pressurized plug fluid connector |
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| CN103016879B (en) | 2015-11-18 |
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