CN103672248A - Threaded connection and non-leakage fluid connector - Google Patents
Threaded connection and non-leakage fluid connector Download PDFInfo
- Publication number
- CN103672248A CN103672248A CN201210258358.5A CN201210258358A CN103672248A CN 103672248 A CN103672248 A CN 103672248A CN 201210258358 A CN201210258358 A CN 201210258358A CN 103672248 A CN103672248 A CN 103672248A
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- Prior art keywords
- assembly
- mangetic core
- core assembly
- spring
- threaded
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- 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
- F16L29/00—Joints with fluid cut-off means
- F16L29/04—Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention belongs to the field of spaceflight servo hydraulic systems, particularly relates to a threaded connection and non-leakage fluid connector, and aims at achieving the purposes of providing the fluid connector which is suitable for the spaceflight servo hydraulic systems, high in working reliability, self-sealed in threaded connection and free of leakage. According to the technical scheme, when an assembly I is connected with an assembly II in a threaded butt joint mode, a connector base in the assembly I is in threaded connection with a jacket nut in the assembly II, a supporting ring in the assembly II moves backwards to an end cover to be limited, the connector base in the assembly I collides with a valve seat in the assembly II, and a valve element assembly I collides with a valve element assembly II to enable the valve element assembly I and the valve element assembly II to be respectively far away from a conical hole or a lip side.
Description
Technical field
The invention belongs to space flight servo hydraulic system field, be specifically related to a kind of being threaded without leak fluid connector.
Background technique
At present, abroad hydraulic pressure company, through the development of last 100 years, has developed ripe fluid connector technology, and by the produced product of this technology, superior performance, is suitable for commercial Application, and domestic manufacturer mostly is the product of copying external product structure and producing.But for the high space product of reliability requirement, general fluid linkage structure volume is larger, and has the feature that reliability is low, be not suitable with the highly reliable demand of space flight.
Summary of the invention
Goal of the invention of the present invention is, for the deficiencies in the prior art, invents a kind of work high reliability that is applicable to space flight servo-system, self-styled, leak free fluid connector is threaded.
The technical solution adopted in the present invention is: a kind of being threaded without leak fluid connector, comprise assembly I and assembly II, wherein, in assembly I, conical surface end and the connection block of T-shaped mangetic core assembly I fit, and spring I and spring II are placed on the round bar of mangetic core assembly I, the inner hole sleeve of supporting base is at the round bar end of mangetic core assembly, supporting base is fixed in connection block by screw thread, and back-up ring is stuck on connection block and contacts with supporting base, during seal ring is fixed in the seal groove on mangetic core assembly surface; In assembly II, in inside groove on housing, pack X-shaped sealing ring into, cap nut is sleeved on the outer surface of housing, the mangetic core assembly II of taper packs the endoporus of valve seat into, spring III packs in valve seat, the right side of spring packs packing ring into, support ring is threaded in mangetic core assembly II, spring washer is sleeved on the cylindrical of mangetic core assembly II, and nut and mangetic core assembly II connect as one, and integral body packs in housing, again packing ring and spring IV are put into support ring, seal ring is contained in the seal groove of end cap, end cap is threaded with housing, packs in housing.
A kind of being threaded without leak fluid connector as above, wherein, on the mangetic core assembly I conical surface, there is a groove, in groove, be pressed with vulcanized rubber, mangetic core assembly I is under the effect of spring, push up on the lip limit of the cone shape hole that is pressed in connection block at middle part at rubber, and mangetic core assembly I is formed external sealed.
A kind of being threaded without leak fluid connector as above wherein, has a groove on the mangetic core assembly II conical surface, in groove, be pressed with vulcanized rubber, mangetic core assembly II, under the effect of spring, is pushed up on the lip limit of the cone shape hole that is pressed in valve seat at the middle part of rubber, and assembly II is formed external sealed.
A kind of being threaded without leak fluid connector as above, it is characterized in that: when assembly I and assembly II screw thread mated condition, connection block in assembly I is threaded with the cap nut in assembly II, after support ring in assembly II, move on to end cap spacing, valve seat in connection block in assembly I and assembly II is collided, mangetic core assembly I and mangetic core assembly II are collided, and force mangetic core assembly I, mangetic core assembly II to leave respectively cone shape hole or lip limit.
A kind of being threaded without leak fluid connector as above, wherein, the spring in mangetic core assembly I adopts double-spring parallel combination, and the spring in assembly II adopts dual spring tandem compound.
The invention has the beneficial effects as follows:
1. adopt thread connecting mode, make to connect more reliable.
2. the conical surface partly contacts sealing configuration form, and rubber seal pressurized expansion space makes sealing more firm.
3. double-spring structure, under physical dimension permanence condition, has strengthened spring rate, has reduced overall structure volume, makes the sealing of valve work more reliable.
Accompanying drawing explanation
Fig. 1 is that a kind of being threaded provided by the invention docked rear sectional drawing without the assembly I of leak fluid connector with assembly II;
Fig. 2 is assembly I state profile;
Fig. 3 is assembly II state profile;
Fig. 4 is assembly I state outline drawing;
Fig. 5 is assembly II state outline drawing;
Fig. 6 is that fluid connector assembly I is docked outline drawing with assembly II state;
Fig. 7 spool conical surface partly contacts sealing configuration partial enlarged drawing;
In figure: 1. mangetic core assembly I, 2. connection block, 3. supporting base, 4. spring I, 5. spring II, 6. pad, 7. seal ring, 8. back-up ring, 9. mangetic core assembly II, 10. cap nut, 11. housings, 12. valve seats, 13. supporting rings, 14. end caps, 15. spring III, 16. spring IV, 17. packing rings, 18. spring washers, 19. nuts, 20.X RunddichtringO, 21. assembly I, 22. assembly II.
Embodiment
Below in conjunction with drawings and Examples, a kind of being threaded provided by the invention is introduced without leak fluid connector:
As shown in the figure, a kind of being threaded without leak fluid connector, comprise assembly I 21 and assembly II 22, in assembly I 21, conical surface end and the connection block 2 of T-shaped mangetic core assembly I 1 fit, and spring I 4 and spring II 5 are placed on the round bar of mangetic core assembly I 1, the inner hole sleeve of supporting base 3 is at the round bar end of mangetic core assembly 1, supporting base 3 is fixed in connection block 2 by screw thread, and back-up ring 8 is stuck on connection block 2 and contacts with supporting base 3, during seal ring 7 is fixed in the seal groove on mangetic core assembly 1 surface, in assembly II 22, in inside groove on housing 11, pack X-shaped sealing ring into, cap nut 10 is sleeved on the outer surface of housing 11, the mangetic core assembly II 9 of taper packs the endoporus of valve seat 12 into, spring III 15 packs in valve seat 12, the right side of spring packs packing ring 17 into, support ring 13 is threaded in mangetic core assembly II 9, spring washer 19 is sleeved on the cylindrical of mangetic core assembly II 9, nut 20 connects as one with mangetic core assembly II 9, integral body packs in housing 11, again packing ring 18 and spring IV 16 are put into support ring, seal ring 21 is contained in the seal groove of end cap 14, end cap 14 is threaded with housing 11, pack in housing 11.
As shown in Figure 1 and Figure 7, the spool conical surface adopts the conical surface partly to contact sealing configuration form, can make after rubber seal face pressurized, there are enough rubber swelling spaces, make sealing more reliable, on mangetic core assembly I 1 conical surface, have a groove, in groove, be pressed with vulcanized rubber, mangetic core assembly I 1, under the effect of spring, is pushed up on the lip limit of the cone shape hole that is pressed in connection block 2 at the middle part of rubber, and mangetic core assembly I 1 is formed external sealed; On mangetic core assembly II 9 conical surfaces, have a groove, be pressed with vulcanized rubber in groove, mangetic core assembly II 9, under the effect of spring, is pushed up on the lip limit of the cone shape hole that is pressed in valve seat 12 at the middle part of rubber, and assembly II is formed external sealed.
As shown in Figure 1, the present invention adopts double-spring structure, and mangetic core assembly I 1 adopts double-spring parallel, and dual spring is respectively left-handed and dextrorotation, and parallel-connection structure can strengthen spring rate under the constant condition of physical dimension, makes the sealing of valve work more reliable.Mangetic core assembly II 9 adopts dual spring series connection, a first spring job in the time of can making fluid connector moving when connecting, disconnecting, another spring work after valve has been crossed the X-shaped sealing ring 22 of external seal action, can make work more reliable, and the company of accomplishing disconnects without leaking.
As shown in Figure 1, when the docking of two connector mangetic core assembly I and mangetic core assembly II screw thread is during for Fig. 1 state, connection block 2 in assembly I 23 is threaded with the cap nut 10 in assembly II 24, after support ring 13 in assembly II 24, move on to end cap 14 spacing, connection block 2 in assembly I 23 is collided with the valve seat 12 in assembly II 24, mangetic core assembly I 1 is collided with mangetic core assembly II 9, forces mangetic core assembly I, mangetic core assembly II to leave respectively cone shape hole or lip limit, and the fluid on both sides is communicated.
Claims (5)
1. one kind is threaded without leak fluid connector, comprise assembly I (21) and assembly II (22), it is characterized in that: in assembly I (21), the conical surface end of T-shaped mangetic core assembly I (1) and connection block (2) fit, spring I (4) and spring II (5) are placed on the round bar of mangetic core assembly I (1), the inner hole sleeve of supporting base (3) is at the round bar end of mangetic core assembly (1), supporting base (3) is fixed in connection block (2) by screw thread, back-up ring (8) is stuck in connection block (2) and above contacts with supporting base (3), during seal ring (7) is fixed in the surperficial seal groove of mangetic core assembly (1), in assembly II (22), in inside groove on housing (11), pack X-shaped sealing ring into, cap nut (10) is sleeved on the outer surface of housing (11), the mangetic core assembly II (9) of taper packs the endoporus of valve seat (12) into, spring III (15) packs in valve seat (12), the right side of spring packs packing ring (17) into, support ring (13) is threaded in mangetic core assembly II (9), spring washer (19) is sleeved on the cylindrical of mangetic core assembly II (9), nut (20) connects as one with mangetic core assembly II (9), integral body packs in housing (11), again packing ring (18) and spring IV (16) are put into support ring, seal ring (21) is contained in the seal groove of end cap (14), end cap (14) is threaded and packs in housing (11) with housing (11).
2. a kind of being threaded without leak fluid connector according to claim 1, it is characterized in that: on mangetic core assembly I (1) conical surface, have a groove, in groove, be pressed with vulcanized rubber, mangetic core assembly I (1) is under the effect of spring, push up on the lip limit of the cone shape hole that is pressed in connection block (2) at middle part at rubber, and mangetic core assembly I (1) is formed external sealed.
3. a kind of being threaded without leak fluid connector according to claim 1, it is characterized in that: on mangetic core assembly II (9) conical surface, have a groove, in groove, be pressed with vulcanized rubber, mangetic core assembly II (9) is under the effect of spring, push up on the lip limit of the cone shape hole that is pressed in valve seat (12) at middle part at rubber, and assembly II is formed external sealed.
4. a kind of being threaded without leak fluid connector according to claim 1, it is characterized in that: when assembly I (21) and assembly II (22) screw thread are mated condition, connection block (2) in assembly I (21) is threaded with the cap nut (10) in assembly II (22), after support ring (13) in assembly II (22), move on to end cap (14) spacing, connection block (2) in assembly I (21) is collided with the valve seat (12) in assembly II (22), mangetic core assembly I (1) is collided with mangetic core assembly II (9), force mangetic core assembly I (1), mangetic core assembly II (9) is left respectively cone shape hole or lip limit.
5. a kind of being threaded without leak fluid connector according to claim 1, is characterized in that: the spring in mangetic core assembly I (1) adopts double-spring parallel combination, and the spring in assembly II (9) adopts dual spring tandem compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258358.5A CN103672248A (en) | 2012-09-20 | 2012-09-20 | Threaded connection and non-leakage fluid connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210258358.5A CN103672248A (en) | 2012-09-20 | 2012-09-20 | Threaded connection and non-leakage fluid connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103672248A true CN103672248A (en) | 2014-03-26 |
Family
ID=50310639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210258358.5A Pending CN103672248A (en) | 2012-09-20 | 2012-09-20 | Threaded connection and non-leakage fluid connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103672248A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953810A (en) * | 2014-05-07 | 2014-07-30 | 林顺梅 | Inner joint with water switch function |
| CN104976464A (en) * | 2014-04-11 | 2015-10-14 | 艾默生过程管理调节技术公司 | Bi-directional hose break-away assembly |
| CN105715892A (en) * | 2016-05-05 | 2016-06-29 | 徐工集团工程机械股份有限公司 | Quick joint with pressure limit function |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB504404A (en) * | 1937-11-03 | 1939-04-25 | Dunlop Rubber Co | Improvements in or relating to pipe joints |
| GB600070A (en) * | 1945-01-02 | 1948-03-31 | Automotive Prod Co Ltd | Improvements in or relating to pipe couplings |
| US5662141A (en) * | 1994-06-10 | 1997-09-02 | Faster S.R.L. | Leak-resistant fluid coupling arrangement |
| US5988216A (en) * | 1997-04-26 | 1999-11-23 | Schumacher; Gustav | Hydraulic sleeve for hydraulic coupling |
| DE69701184T2 (en) * | 1997-02-21 | 2000-06-21 | Faster Srl | Plug-in coupling |
| CN2842138Y (en) * | 2005-11-25 | 2006-11-29 | 李镇江 | Pipe fitting self-sealing joint |
| RU2373451C1 (en) * | 2008-06-04 | 2009-11-20 | Открытое акционерное общество "Информационные спутниковые системы" им. академика М.Ф. Решетнева" | Quick-release pipline coupling |
| CN102203487A (en) * | 2008-09-02 | 2011-09-28 | 艾默生过程管理调节技术公司 | Fluid flow control members for use with valves |
-
2012
- 2012-09-20 CN CN201210258358.5A patent/CN103672248A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB504404A (en) * | 1937-11-03 | 1939-04-25 | Dunlop Rubber Co | Improvements in or relating to pipe joints |
| GB600070A (en) * | 1945-01-02 | 1948-03-31 | Automotive Prod Co Ltd | Improvements in or relating to pipe couplings |
| US5662141A (en) * | 1994-06-10 | 1997-09-02 | Faster S.R.L. | Leak-resistant fluid coupling arrangement |
| DE69701184T2 (en) * | 1997-02-21 | 2000-06-21 | Faster Srl | Plug-in coupling |
| US5988216A (en) * | 1997-04-26 | 1999-11-23 | Schumacher; Gustav | Hydraulic sleeve for hydraulic coupling |
| CN2842138Y (en) * | 2005-11-25 | 2006-11-29 | 李镇江 | Pipe fitting self-sealing joint |
| RU2373451C1 (en) * | 2008-06-04 | 2009-11-20 | Открытое акционерное общество "Информационные спутниковые системы" им. академика М.Ф. Решетнева" | Quick-release pipline coupling |
| CN102203487A (en) * | 2008-09-02 | 2011-09-28 | 艾默生过程管理调节技术公司 | Fluid flow control members for use with valves |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976464A (en) * | 2014-04-11 | 2015-10-14 | 艾默生过程管理调节技术公司 | Bi-directional hose break-away assembly |
| CN103953810A (en) * | 2014-05-07 | 2014-07-30 | 林顺梅 | Inner joint with water switch function |
| CN103953810B (en) * | 2014-05-07 | 2015-12-09 | 林顺梅 | A kind of spigot with water switch function |
| CN105715892A (en) * | 2016-05-05 | 2016-06-29 | 徐工集团工程机械股份有限公司 | Quick joint with pressure limit function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |