CN114593298A - Male connector, male connector plugging cap thereof, quick connection dry valve and female connector plug - Google Patents
Male connector, male connector plugging cap thereof, quick connection dry valve and female connector plug Download PDFInfo
- Publication number
- CN114593298A CN114593298A CN202210193245.5A CN202210193245A CN114593298A CN 114593298 A CN114593298 A CN 114593298A CN 202210193245 A CN202210193245 A CN 202210193245A CN 114593298 A CN114593298 A CN 114593298A
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- Prior art keywords
- valve
- male connector
- valve body
- wall
- spring
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- 239000007788 liquid Substances 0.000 claims description 52
- 230000000903 blocking effect Effects 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 239000010779 crude oil Substances 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 9
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
- F16L37/34—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied at least one of the lift valves being of the sleeve type, i.e. a sleeve is telescoped over an inner cylindrical wall
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- B08B1/165—
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- B08B1/32—
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/24—Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet action
- F16L37/244—Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet action the coupling being co-axial with the pipe
Abstract
The invention discloses a male connector and a male connector plugging cap, a quick-connection dry valve and a female connector plug thereof, which are suitable for crude oil downloading type loading, wherein the male connector comprises a male connector valve body and a spring bushing arranged in a valve cavity of the male connector valve body, a movable valve sleeve is sleeved in the spring bushing, and the end of the movable valve sleeve is connected with a movable valve clack; the spring bushing and the movable valve sleeve are internally provided with a return spring; one end of the return spring is abutted against the bottom of the spring bushing, and the other end of the return spring is abutted against the movable valve clack; a vent hole is correspondingly formed at the joint of the spring bushing and the male connector valve body and communicated with the inside of the spring bushing; the outer wall of the male connector valve body is provided with a spiral guide groove; because the reset spring is positioned in the movable valve sleeve and the spring bushing, the situation that the reset spring is stuck to the reset spring to cause failure in the crude oil loading process is avoided, and the vent hole can ensure that a cavity formed by the movable valve sleeve and the spring bushing is communicated with the outside all the time, so that the situation that the movable valve clack cannot be normally opened and closed due to the generation of positive and negative pressure is avoided.
Description
Technical Field
The invention relates to the technical field of connector devices, in particular to a male connector, a male connector plugging cap, a quick-connection dry valve and a female connector plug.
Background
The dry quick-connecting head is also called a dry valve, and consists of a female joint and a male joint, can quickly realize the separation and connection of the female joint and the male joint through anticlockwise spiral rotation, is mainly applied to loading and unloading of tank cars, ships, containers, storage tanks and pumps, and fluid distribution and transmission systems, and has the effects of quick connection, convenient use, pollution prevention and energy conservation. For example, the invention patent with the patent number of '201810399413. X' and the patent name of 'a locking type self-sealing dry quick joint' discloses a dry quick joint book, which comprises a male joint and a female joint; the male connector comprises a male connector shell, a male connector valve seat, a guide spring bushing, a spring, a sliding valve core and a spiral guide groove; the female joint comprises a female joint shell, a valve core supporting seat, a fixed valve core, a sliding valve seat, a guide bushing, a spring, a front end cover, a cam and an operating hand wheel; when the connecting device is used, the female connector is axially screwed into the male connector and then screwed out of the male connector, and connection and disconnection can be realized.
However, the dry quick connector in the current market is basically used for finished oil and purer media, and is rarely directly applied to the loading and unloading process of crude oil transportation because crude oil is different from the finished oil and other purer media, the crude oil has more complex components, more impurities, higher condensation point and stronger adhesion, the crude oil is easily adhered to the return spring in the dry valve in the use process, and if the crude oil is extremely easy to solidify under the condition of no heat tracing, the spring return structure in the dry valve cannot be closed due to the solidification of the crude oil, so the dry valve is not suitable for being applied to the loading and unloading process of the crude oil. At present, the ball valves are basically adopted to replace dry valves in crude oil transportation, but the ball valves have the defect that crude oil media are easily reserved in a pipeline between the two ball valves after loading and unloading, and the reserved media flow out after the two ball valves are disconnected, so that the environmental pollution and the potential safety hazard are increased, and the energy waste is caused to a certain extent.
Disclosure of Invention
The invention aims to solve the technical problems and provides a male connector, a male connector plugging cap, a quick-connection dry valve and a female connector plugging, which can be applied to crude oil downloading type loading.
In order to achieve the purpose, the invention provides the following scheme: the utility model discloses a male connector, which comprises a male connector valve body and a spring bushing arranged in a valve cavity of the male connector valve body, wherein a movable valve sleeve is sleeved in the spring bushing, and the end of the movable valve sleeve is connected with a movable valve clack for sealing a liquid inlet of the valve cavity of the male connector valve body; a return spring is arranged in the spring bushing and the movable valve sleeve; one end of the return spring is abutted against the bottom of the spring bushing, and the other end of the return spring is abutted against the movable valve clack; a vent hole is correspondingly formed at the joint of the spring bushing and the male connector valve body, and the vent hole is communicated with the interior of the spring bushing; and a spiral guide groove is formed in the outer wall of the male connector valve body.
Preferably, a guide valve rod is coaxially arranged in the movable valve sleeve, one end of the guide valve rod is connected with the movable valve clack, and a sliding through hole for the other end of the guide valve rod to penetrate out is formed in the bottom of the spring bushing.
Preferably, the spring bushing is provided with a first wear-resistant descaling ring for scraping scale on the movable valve sleeve, and the sliding through hole is provided with a second wear-resistant descaling ring for scraping scale on the guide valve rod.
Preferably, a tapered limiting boss for preventing the end head of the movable valve clack from extending out is arranged on the liquid inlet of the valve cavity of the male connector valve body.
Preferably, the spring bushing comprises a reducing section and an expanding section, the vent hole is communicated with the expanding section, and the movable valve sleeve is sleeved at the reducing section.
The male connector plugging cap is characterized by comprising a male connector plugging cap, wherein the male connector plugging cap is provided with a buckling groove, a plugging cap roller matched with the spiral guide groove is arranged on the inner wall of the buckling groove, and the plugging cap roller is rotationally connected into the buckling groove through a plugging cap roller; the tank bottom in lock groove is equipped with the scraper blade mounting groove, install stifled cap connecting plate in the scraper blade mounting groove, stifled cap connecting plate dorsad scraper blade mounting groove one side be equipped with can be right the inner wall of male joint valve body valve pocket inlet and the stifled cap scraper blade that the dirt was scraped to the activity valve clack, stifled cap scraper blade orientation one side of scraper blade mounting groove is equipped with stretches out the stifled cap connecting rod of female joint stifled cap, be equipped with stifled cap handle on the stifled cap connecting rod, stifled cap handle with stifled cap connecting rod is fixed through stifled cap stop pin, stifled cap connecting rod with be equipped with stifled cap reset wave spring between the scraper blade mounting groove.
The quick-connection dry valve comprises a female connector and the male connector, wherein the female connector comprises a female connector valve body, a sliding valve sleeve is sleeved at a liquid outlet of a valve cavity of the female connector valve body, and a third wear-resistant descaling ring is arranged between the sliding valve sleeve and the valve cavity of the female connector valve body; a support frame is arranged on the inner wall of the valve cavity of the female joint valve body, a fixed valve rod is connected onto the support frame, and a fixed valve clack used for sealing the liquid outlet of the sliding valve sleeve is arranged at the end head of the fixed valve rod; a shell used for being connected with the male connector is sleeved on the outer wall of the female connector valve body, and the shell is rotatably connected to the outer wall of the female connector valve body; a wear-resistant sleeve is arranged between the shell and the female joint valve body, a fourth wear-resistant descaling ring is arranged between the shell and the sliding valve sleeve, and a return spring is arranged between the wear-resistant sleeve and the fourth wear-resistant descaling ring; the inner wall of the shell is provided with a joint roller matched with the spiral guide groove, the joint roller is rotatably connected to the inner wall of the shell through a joint roller, and the outer wall of the shell is fixedly connected with a handle.
Preferably, one end of the fixed valve rod extends out of the liquid outlet of the sliding valve sleeve and is provided with the fixed valve clack, the fixed valve clack is provided with a conical limiting structure for preventing the sliding valve sleeve from sliding out, and the other end of the fixed valve rod is in threaded connection with the support frame and is fastened through a nut.
Preferably, an annular sliding groove is formed in the outer wall of the female joint valve body, a plurality of first accommodating grooves for accommodating steel balls are formed in the inner wall of the outer shell at positions corresponding to the annular sliding groove, the plurality of first accommodating grooves are circumferentially arranged on the inner wall of the outer shell, and a first compression screw for compressing the steel balls in the first accommodating grooves is arranged on the outer wall of the outer shell; the handle is provided with a second accommodating groove used for accommodating steel balls, a third accommodating groove is arranged on the shell corresponding to the second accommodating groove, and the handle is provided with a second compression screw used for compressing the steel balls in the second accommodating groove.
Also discloses a female joint plug for plugging the female joint in the quick-connecting dry valve, which comprises a female joint plug, the outer wall of the plugging end of the female joint plug is provided with a limit semicircular groove matched with the joint roller, the plugging end of the female joint plug is provided with an installation groove, a plug connecting plate is arranged in the installation groove, one side of the blocking connecting plate facing the plugging end is fixedly connected with a blocking scraper blade which can scrape dirt for the inner wall of the liquid outlet of the shell, the end head of the sliding valve sleeve and the end head of the fixed valve clack, one side of the plug connecting plate, which is back to the plug-in end, is provided with a plug connecting rod extending out of the plug of the female joint, the end sleeve of the blocking connecting rod is provided with a blocking handle and is fixed through a blocking anti-rotation pin, and the blocking connecting plate is back to one side of the plugging end and is provided with a blocking reset wave spring at the bottom of the mounting groove.
Compared with the prior art, the invention has the following technical effects:
1. in the male connector, because the return spring is positioned in the cavity formed by the movable valve clack, the movable valve sleeve and the spring bushing, the movable valve clack can be opened and closed through the return spring, the return spring can be prevented from being polluted by crude oil, the return spring fails to be closed due to solidification, and therefore the male connector can be widely applied to loading and unloading of crude oil, heavy oil, light oil, aviation kerosene and chemical media.
2. The male connector plugging cap can form sealing with the male connector after covering the male connector, so that the male connector can be prevented from leaking due to other reasons, and meanwhile, the plugging cap scraper is arranged at the end part of the male connector plugging cap, so that the plugging cap scraper can clean media remained on the plane of the movable valve clack in the male connector only by rotating the handle of the plugging cap.
3. According to the quick-connection dry valve, the dry male connector and the dry female connector are in direct ferrule butt joint and are locked by the connector roller and the spiral guide groove, the male connector and the female connector can be tightly locked together only by rotating the handle, the quick-connection dry valve is conveniently and quickly connected with a tank car, and the working efficiency is greatly improved; the male connector and the female connector can be opened simultaneously only by driving the handle to compress the return springs and the return springs on the male connector and the female connector, and the male connector and the female connector can be closed by utilizing the spring forces of the return springs and the return springs when the male connector and the female connector are closed, so that the operating force ratio is smaller; in addition, the male joint and the female joint of the quick-connection dry valve can be synchronously opened and closed, and in the whole process before disconnection, the fixed valve clack on the female joint and the movable valve clack on the male joint have no gap, and the male joint and the female joint are in plane contact, so that no residual medium exists during disconnection, and the environmental protection requirement is really realized.
4. In the quick-connecting dry valve, no matter the male connector or the female connector is arranged, the parts with relative motion are provided with the wear-resistant descaling rings, so that the self-cleaning effect is achieved.
5. According to the invention, the blocking scraper is designed at the end part blocked by the female joint, when the female end is in a non-working state, the blocking scraper can play a role of sealing the female joint, and the blocking scraper can clean the residual medium at the fixed valve clack only by rotating the blocking handle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic diagram of a quick connect dry valve;
FIG. 2 is a schematic structural view of a male connector;
FIG. 3 is a schematic structural view of a female connector;
FIG. 4 is a schematic structural view of the supporting frame;
FIG. 5 is a schematic illustration of the quick connect dry valve after connection;
FIG. 6 is a schematic structural view of a male plug;
FIG. 7 is a schematic structural view of the male connector cap after being connected with the male connector;
FIG. 8 is a schematic view of a female connector plug;
FIG. 9 is a schematic view of the female connector after being plugged and connected.
Description of reference numerals: 1. a male connector; 2. a male connector valve body; 3. a spring bushing; 4. a movable valve housing; 5. a movable valve flap; 6. a return spring; 7. a vent hole; 8. a pilot valve stem; 9. a conical limiting boss; 10. a first wear-resistant descaling ring; 11. a second wear-resistant descaling ring; 12. a reducing section; 13. a diameter expanding section; 14. a spiral guide groove; 15. a male connector first seal ring; 16. a male connector second seal ring; 17. a male connector third seal ring; 18. a male connector fourth seal ring; 19. a male connector locking screw; 20. a male joint seal; 21. a female joint; 22. a female connector valve body; 23. a sliding valve sleeve; 24. a third wear-resistant descaling ring; 25. a support frame; 26. fixing the valve rod; 27. fixing the valve clack; 28. a housing; 29. a wear-resistant sleeve; 30. a fourth wear-resistant descaling ring; 31. a return spring; 32. a joint roller; 33. a joint roller; 34. a handle; 35. a conical limiting structure; 36. a nut; 37. an annular chute; 38. steel balls; 39. a first accommodating groove; 40. a first compression screw; 41. a second accommodating groove; 42. a third accommodating groove; 43. a second compression screw; 44. a female joint first seal ring; 45. a female joint second seal ring; 46. a female joint third sealing ring; 47. a dust ring; 48. a female joint seal; 49. a female joint locking screw; 50. a male connector retaining ring; 51. a male connector block cap; 52. buckling the groove; 53. a blocking cap roller; 54. a plug cap roller; 55. a scraper mounting groove; 56. a plug cap connecting plate; 57. a plugging cap scraper; 58. a plug cap connecting rod; 59. a plugging cap handle; 60. the anti-rotation pin of the plug cap; 61. the plug cap resets the wave spring; 62. a blocking cap retainer ring; 63. a first seal ring of the plug cap; 64. a second sealing ring of the plugging cap; 65. blocking the female joint; 66. a limiting semi-ring groove; 67. mounting grooves; 68. blocking the connecting plate; 69. a blocking scraper; 70. blocking the connecting rod; 71. a blocking handle; 72. blocking anti-rotation pins; 73. a blocking reset wave spring; 74. and a chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The present embodiment provides a male connector, as shown in fig. 1 to 9, the male connector 1 includes a male connector valve body 2, a spring bushing 3; the spring bush 3 is fixed on the inner wall of the valve cavity of the male joint valve body 2, the spring bush 3 and the valve cavity of the male joint valve body 2 are coaxially arranged and are close to a liquid outlet of the valve cavity of the male joint valve body 2, and an opening is formed in one end, facing the liquid inlet of the valve cavity of the male joint valve body 2, of the spring bush 3. A movable valve bush 4 is sleeved in the opening spring bush 3, the outer wall of the movable valve bush 4 is tightly attached to the inner wall of the spring bush 3, a male connector second sealing ring 16 is arranged between the opening of the spring bush 3 and the movable valve bush 4, and a male connector third sealing ring 17 and a male connector sealing gasket 20 are arranged between the spring bush 3 and the male connector valve body 2. The movable valve sleeve 4 is close to one end of the liquid inlet of the valve cavity and is fixedly connected with a movable valve clack 5, the movable valve sleeve 4 and the movable valve clack 5 can be integrally formed, the movable valve sleeve 4 can axially slide in the spring bushing 3, when the movable valve sleeve 4 slides outwards the spring bushing 3, the liquid inlet of the valve cavity of the male connector valve body 2 can be sealed, when the movable valve sleeve 4 slides inwards the spring bushing 3, the liquid inlet of the valve cavity of the male connector valve body 2 can be opened, at the moment, reference is made to fig. 5, a liquid outlet channel is formed among the movable valve sleeve 4, the movable valve clack 5, the spring bushing 3 and the valve cavity of the male connector valve body 2, and crude oil can pass through the liquid outlet channel. Be equipped with reset spring 6 in spring bushing 3, the activity valve barrel 4, reset spring 6 one end butt is in spring bushing 3 bottoms, and the other end butt is on activity valve clack 5 to after the crude oil circulation, automatically with activity valve clack 5 back push close the inlet of 2 valve pockets of male joint valve body, reset spring 6 also can direct fixed connection on spring bushing 3 bottoms and activity valve clack 5 certainly. Be equipped with air vent 7 on spring bushing 3, air vent 7 has also been seted up with spring bushing 3 junction to male joint valve body 2, two air vents 7 just in time correspond, then with the inside intercommunication of spring bushing 3, make activity valve barrel 4 no matter slide to spring bushing 3 inside, still slide to the outside, activity valve barrel 4, spring bushing 3's inside cavity equals with external pressure all the time, thereby avoid activity valve barrel 4, the condition of positive negative pressure appears in spring bushing 3's inside cavity, and lead to the difficult inside slip to spring bushing 3 of activity valve barrel 4, or activity valve barrel 4 is difficult to slide outwards from spring bushing 3's inside. Meanwhile, as the return spring 6 is positioned in the inner cavities of the movable valve sleeve 4 and the spring bushing 3, when crude oil flows through the liquid outlet channel, the return spring 6 is not polluted, so that the problem that the return spring 6 fails due to condensation of the crude oil is solved. The outer wall of the liquid inlet end of the male connector valve body 2 is provided with a spiral guide groove 14 for being connected with a female connector 21, preferably, the number of the spiral guide grooves 14 is three, the liquid outlet of the valve cavity of the male connector valve body 2 is provided with internal threads for being in threaded connection with a liquid inlet of a tank car, preferably, a male connector locking screw 19 is further arranged on the liquid outlet of the valve cavity of the male connector valve body 2, and the liquid outlet of the valve cavity of the male connector valve body 2 can be stably connected onto the liquid inlet of the tank car by screwing the male connector locking screw 19.
Further, in this embodiment, a guide valve rod 8 is coaxially disposed in the movable valve sleeve 4, and a sliding through hole is disposed at the bottom of the spring bushing 3. One end of the guide valve rod 8 is in threaded connection with the movable valve clack 5, and the other end penetrates out of the sliding through hole and is in sliding connection with the sliding through hole.
Further, in this embodiment, the spring bushing 3 is provided with a first wear-resistant descaling ring 10, the first wear-resistant descaling ring 10 is located at the opening of the spring bushing 3 and is located at the front end of the second male joint sealing ring 16, and when the movable valve sleeve 4 slides towards the inside of the spring bushing 3, the first wear-resistant descaling ring 10 can scrape the scale on the outer wall of the movable valve sleeve 4. The sliding through hole is provided with a second wear-resistant descaling ring 11, the second wear-resistant descaling ring 11 is positioned at the rear end of the fourth sealing ring 18 of the male connector, and when the guide valve rod 8 moves towards the liquid inlet direction of the valve cavity of the male connector valve body 2, the crude oil dirt occupied on the outer wall of the guide valve rod 8 can be scraped by the second wear-resistant descaling ring 11.
Further, in this embodiment, the inlet of the 2 valve cavities of the male joint valve body is provided with a conical limiting boss 9, and the movable valve clack 5 can be prevented from extending out of the inlet of the 2 valve cavities of the male joint valve body by the conical limiting boss 9, so that the contact surfaces of the corresponding movable valve clack 5 and the conical limiting boss 9 are also in a conical structure, and the contact surfaces of the two are provided with the first sealing ring 15 of the male joint.
In the present embodiment, as shown in fig. 1 to 9, the chamber of the spring bushing 3 includes a reduced diameter section 12 and an enlarged diameter section 13, and the inner diameter of the enlarged diameter section 13 is larger than that of the reduced diameter section 12. The movable valve sleeve 4 is sleeved at the reducing section 12, so that the outer diameter of the movable valve sleeve 4 is matched with the inner diameter of the reducing section 12, the vent hole 7 is communicated with the expanding section 13, and when the movable valve sleeve 4 moves towards the expanding section 13, the vent hole 7 is not shielded by the movable valve sleeve 4 because the inner diameter of the expanding section 13 is larger than the outer diameter of the movable valve sleeve 4.
Example 2
The embodiment discloses a male connector plugging cap, as shown in fig. 1 to 9, which is used for plugging a male connector 1 in embodiment 1, and includes a male connector plugging cap 51, a fastening groove 52 is formed on the male connector plugging cap 51, a plugging cap roller 54 is arranged on the inner wall of the fastening groove 52 in a penetrating manner, the end of the plugging cap roller 54 located on the inner wall of the fastening groove 52 is rotatably connected with a plugging cap roller 53, the end of the plugging cap roller 54 extending out of the outer wall of the male connector plugging cap 51 is provided with a groove, a plugging cap retainer ring 62 is sleeved in the groove to prevent the plugging cap roller 54 from separating from the inner wall of the fastening groove 52, the plugging cap roller 53 is screwed into the spiral guide groove 14, and the male connector plugging cap 51 can be fastened on the outer wall of the male connector valve body 2 by rotating to the position. A scraper mounting groove 55 is formed in the groove bottom of the buckling groove 52, a plugging cap connecting plate 56 is mounted in the scraper mounting groove 55, a plugging cap scraper 57 is arranged on the outer side of the plugging cap connecting plate 56, and when the male connector plugging cap 51 is buckled on the outer wall of the male connector valve body 2, the plugging cap scraper 57 just contacts with the end face of the movable valve clack 5 and the inner wall of the valve cavity liquid inlet of the male connector valve body 2. Be equipped with stifled cap reset ripples spring 61 between the inboard of stifled cap connecting plate 56 and the scraper blade mounting groove 55, after the stifled cap 51 of male joint is pulled down, under stifled cap reset ripples spring 61 effect, stifled cap scraper blade 57 of compressed can automatic re-setting. The tank bottom of scraper blade mounting groove 55 is equipped with stifled cap through-hole, and the inboard fixedly connected with of stifled cap connecting plate 56 blocks up cap connecting rod 58, and the end of stifled cap connecting rod 58 stretches out the stifled cap 51 of male joint through stifled cap through-hole to be connected with stifled cap handle 59, it has stifled cap stop pin 60 to peg graft on stifled cap handle 59 and the stifled cap connecting rod 58, in order to avoid stifled cap handle 59 and stifled cap connecting rod 58 to produce relative rotation. A first sealing ring 63 of the plugging cap is arranged between the end of the connecting rod 58 of the plugging cap and the through hole of the plugging cap. The tank bottom of buckling groove 52 still is equipped with the ring channel, forms annular protrusion between ring channel and the scraper blade mounting groove 55, and after buckling groove 52 detained on the outer wall of male joint valve body 2, annular protruding terminal surface can laminate with the inlet end of male joint valve body 2, is equipped with stifled cap second sealing washer 64 on the laminating surface.
When the anti-leakage valve is used, the buckling groove 52 of the male connector plugging cap 51 is buckled on the outer wall of the male connector valve body 2, the plugging cap roller 53 is screwed into the head end of the spiral guide groove 14, then the plugging cap handle 59 is manually rotated to rotate clockwise, the plugging cap roller 53 is locked after being screwed into the tail end of the spiral guide groove 14, and the male connector plugging cap 51 completely seals the liquid inlet of the valve cavity of the male connector valve body 2, so that the anti-dust and anti-leakage effects are achieved. The plug cap 51's of male joint dismantles the process, and the rotatory plug cap handle 59 of 180 degrees anticlockwise, plug cap scraper blade 57 can scrape the scale to both and scrape the scale to the terminal surface of activity valve clack 5 and the inner wall of the 2 valve pocket inlets of male joint valve body, gets rid of the scale of the terminal surface of activity valve clack 5, continues to rotate certain angle alright unload the plug cap 51 of male joint, alright carry out the operation with female joint 21 is connected.
Example 3
In the present embodiment, there is provided a quick connect dry valve, as shown in fig. 1 to 9, comprising a female connector 21 and a male connector 1 of embodiment 1; the female joint 21 comprises a female joint valve body 22, a sliding valve sleeve 23 is sleeved at a liquid outlet of a valve cavity of the female joint valve body 22, the inner wall of the sliding valve sleeve 23 is tightly attached to the inner wall of the valve cavity of the female joint valve body 22, the sliding valve sleeve 23 can slide in the valve cavity of the female joint valve body 22, a third wear-resistant descaling ring 24 and a first female joint sealing ring 44 are arranged between the sliding valve sleeve 23 and the valve cavity of the female joint valve body 22, the third wear-resistant descaling ring 24 is fixed on the sliding valve sleeve 23, and crude oil dirt on the inner wall of the valve cavity of the female joint valve body 22 can be scraped when the sliding valve sleeve 23 moves from a liquid inlet of the valve cavity of the female joint valve body 22 to the liquid outlet. Fixedly connected with support frame 25 on the valve pocket inner wall of female joint valve body 22, support frame 25 middle part is equipped with the fixed valve rod 26 with the coaxial setting of slide valve cover 23, and the end fixedly connected with fixed valve clack 27 of fixed valve rod 26, when slide valve cover 23 moved to valve pocket liquid outlet direction, the liquid outlet of slide valve cover 23 can be sealed to fixed valve clack 27, overlaps on the outer wall of the liquid outlet of slide valve cover 23 and is equipped with female joint third sealing washer 46. The liquid inlet of the valve cavity of the female joint valve body 22 is provided with internal threads for being in threaded connection with the tail end of a hose or a crane pipe, the inner wall of the liquid inlet of the valve cavity of the female joint valve body 22 is provided with a female joint locking screw 49, the female joint locking screw 49 is screwed, and the female joint valve body 22 can be locked and connected with the hose; the inlet of the valve cavity of the female connector valve body 22 is provided with a female connector gasket 48 for sealing with the hose. The outer wall of the female joint valve body 22 is sleeved with a shell 28, the shell 28 is rotatably connected to the outer wall of the female joint valve body 22, the shell 28 can rotate but cannot axially move, and a dustproof ring 47 is arranged between the inner wall of the shell 28 and the outer wall of the female joint valve body 22. A wear-resistant sleeve 29 is arranged between the shell 28 and the female joint valve body 22, a fourth wear-resistant descaling ring 30 is arranged between the shell 28 and the sliding valve sleeve 23, the fourth wear-resistant descaling ring 30 is fixed on the outer wall of the sliding valve sleeve 23 and can remove dirt on the inner wall of the shell 28, a spring accommodating cavity is formed between the wear-resistant sleeve 29, the fourth wear-resistant descaling ring 30, the shell 28 and the sliding valve sleeve 23, a return spring 31 is arranged in the spring accommodating cavity, the return spring 31 is sleeved on the sliding valve sleeve 23 and the female joint valve body 22, one end of the return spring is abutted against the fourth wear-resistant descaling ring 30, the other end of the return spring is abutted against the wear-resistant sleeve 29, the return spring 31 can enable the sliding valve sleeve 23 to slide towards the liquid outlet direction of the female joint valve body 22 and is matched and closed with the fixed valve clack 27 when the sliding valve sleeve 23 slides towards the liquid inlet direction of the female joint valve body 22, a liquid inlet channel is formed between the valve cavity of the female joint valve body 22 and the shell 28, the liquid inlet passage is communicated with a liquid inlet of the valve cavity of the female joint valve body 22 and a liquid outlet of the shell 28. Be equipped with the through-hole on the wear-resisting scale removal ring of fourth 30, can make the spring hold the chamber all the time with external intercommunication, avoid the spring to hold the intracavity and appear positive negative pressure, influence return spring 31's compression and resilience. The inner wall of the shell 28 is provided with a joint roller 33 in a penetrating manner, one end of the joint roller 33 penetrating into the inner wall of the shell 28 is rotatably connected with a joint roller 32, the end of the joint roller 33 penetrating out of the outer wall of the shell 28 is provided with a groove, and a male joint check ring 50 is sleeved in the groove to prevent the joint roller 33 from separating from the inner wall of the shell 28. A handle 34 is fixedly attached to the outer wall of the housing 28.
Referring to fig. 1 and 5, the male connector 1 and the female connector 21 are in the closed to open state:
the female joint 21 at the tail end of the handling hose or the loading arm is butted with the male joint 1 on the liquid inlet of the tank car, the joint roller 32 on the female joint 21 is pushed to the initial position of the spiral guide groove 14 on the outer wall of the male joint 1 by pushing the handle 34, the handle 34 is pulled clockwise to drive the shell 28 to rotate clockwise by 120 degrees, the joint roller 32 moves inwards along the spiral guide groove 14, the male joint valve body 2 can push the sliding valve sleeve 23 to move, meanwhile, the fixed valve clack 27 pushes the movable valve clack 5 to move, so that the female joint 21 and the male joint 1 are opened simultaneously, at the moment, the quick-connection dry valve is in a working state of complete opening and self-locking, crude oil can flow into the liquid outlet channel of the male joint 1 from the liquid inlet channel of the female joint 21 and flow into the tank car from the liquid outlet, and the loading and unloading operation of liquid media is realized.
Referring to fig. 1 and 5, the male connector 1 and the female connector 21 are in an open to closed state:
when the loading and unloading operation is finished, the handle 34 is pulled anticlockwise to drive the shell 28 to rotate 120 degrees anticlockwise, the fixed valve clack 27 in the female connector 21 moves outwards gradually through the connector roller 32 along the spiral guide groove 14, meanwhile, the movable valve clack 5 on the male connector 1 moves outwards together with the fixed valve clack 27 under the action of the return spring 6, meanwhile, the sliding valve sleeve 23 in the female connector 21 also moves outwards gradually and is sealed with the fixed valve clack 27 under the action of the return spring 31, and finally, the female connector 21 and the male connector 1 are closed simultaneously; the handle 34 is then pulled outwardly to completely disconnect the female connector 21 from the male connector 1, with the quick dry valve in a fully closed, non-operational state.
In this embodiment, as shown in fig. 1 to 9, one end of the fixed valve rod 26 extends out of the liquid outlet end of the sliding valve sleeve 23 and is provided with a fixed valve flap 27, the fixed valve flap 27 is provided with a tapered limiting structure 35 for preventing the sliding valve sleeve 23 from sliding out of the male connector valve body 2, a contact surface of the sliding valve sleeve 23 and the tapered limiting structure 35, which is matched with the tapered limiting structure, is also a tapered structure, and a female connector second sealing ring 45 is arranged on a contact surface of the sliding valve sleeve 23 and the tapered limiting structure 35. Referring to fig. 4, the support frame 25 is similar to a handwheel, a threaded hole is formed in the middle of the support frame 25, and the other end of the fixed valve rod 26 is screwed into the threaded hole and fastened by a nut 36.
In this embodiment, as shown in fig. 1 to 9, an annular sliding groove 37 is formed in an outer wall of the female joint valve body 22, a first accommodating groove 39 is formed in the inner wall of the outer shell 28 at a position corresponding to the annular sliding groove 37, the first accommodating groove 39 is circumferentially arranged on the inner wall of the outer shell 28, steel balls 38 are contained in the first accommodating groove 39, the steel balls 38 are slidably connected in the annular sliding groove 37 and are pressed by a first pressing screw 40 on the outer wall of the outer shell 28, so that the female joint valve body 22 and the outer shell 28 can bear corresponding axial force, but axial displacement is not generated, and accordingly, relative rotational motion can be performed. The handle 34 is provided with a second receiving groove 41, the outer shell 28 is provided with a third receiving groove 42 corresponding to the second receiving groove 41, and the second receiving groove 41 and the third receiving groove 42 are provided with steel balls 38 and are pressed tightly by a second pressing screw 43 on the handle 34. Preferably, there are three second receiving grooves 41 and three third receiving grooves 42, i.e. the handle 34 is fixedly connected with the housing 28 by three steel balls 38.
In this embodiment, the large pieces of the quick connect dry valve are all made of aluminum, are very light in weight, and are very light to operate under the balance force of the hose, especially the spring cylinder of the loading arm, thus having low labor intensity. The rubber sealing elements in the quick-connection dry valve are made of fluorinated rubber, so that the quick-connection dry valve has higher wear resistance and corrosion resistance and long service life.
Example 4
The embodiment provides a female joint plug, as shown in fig. 1 to 9, which is used for plugging a female joint 21 in a quick-connection dry valve in embodiment 3, and comprises a female joint plug 65, wherein the female joint plug 65 is plugged into a liquid outlet of a shell 28 of the female joint 21, a limiting semi-annular groove 66 is formed in the outer wall of the plugging end of the female joint plug 65, the limiting semi-annular groove 66 is used for being matched with a joint roller 32, and the joint roller 32 rotates 180 degrees from the starting position of the limiting semi-annular groove 66 to complete locking. Female joint blocks up 65 fills in the end and is equipped with mounting groove 67, be equipped with in the mounting groove 67 and blocks up connecting plate 68, block up connecting plate 68 outside fixedly connected with and block up scraper 69, block up the inner wall that scraper 69 can be the liquid outlet of shell 28, the end of slide valve cover 23 and the end of fixed valve clack 27 scrape the dirt, it is equipped with and blocks up connecting rod 70 to block up the connecting plate 68 medial surface, it stretches out mounting groove 67 to block up connecting rod 70, female joint blocks up 65, and the end cover that blocks up connecting rod 70 has and blocks up handle 71, it is fixed through blockking up anti-rotation pin 72 to block up handle 71 and block up connecting rod 70, it blocks up reset ripples spring 73 to be equipped with between connecting plate 68 inboard and the mounting groove 67 tank bottom to block up. Referring to fig. 9, the female plug 65 may be connected to the housing 28 by a chain 74 to avoid loss.
When the device is used, the female joint plug 65 is aligned to a liquid outlet of the shell 28 of the female joint 21, the joint roller 32 is axially pushed to the initial position of the limiting semi-annular groove 66, then the plug handle 71 is manually rotated to rotate clockwise, the plug scraper 69 is in contact with the end faces of the fixed valve clack 27 and the sliding valve sleeve 23 during rotation and rotates 180 degrees to clean once, the plug scraper is continuously rotated by a certain angle to drive the joint roller 32 to move to the final position in the limiting semi-annular groove 66 and self-lock, and dust prevention and outward leakage in the transportation process are achieved. In the process of detaching the female connector plug 65, the plug handle 71 is rotated 180 degrees counterclockwise, the fixed valve flap 27 and the sliding valve sleeve 23 are subjected to the second dirt removing operation, and the female connector plug 65 can be detached by rotating a certain angle continuously, so that the female connector plug can be connected with the male connector 1.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A male connector is characterized by comprising a male connector valve body and a spring bushing arranged in a valve cavity of the male connector valve body, wherein a movable valve sleeve is sleeved in the spring bushing, and the end of the movable valve sleeve is connected with a movable valve clack used for sealing a liquid inlet of the valve cavity of the male connector valve body; a return spring is arranged in the spring bushing and the movable valve sleeve; one end of the return spring is abutted against the bottom of the spring bushing, and the other end of the return spring is abutted against the movable valve clack; a vent hole is correspondingly formed at the joint of the spring bushing and the male connector valve body, and the vent hole is communicated with the interior of the spring bushing; and a spiral guide groove is formed in the outer wall of the male connector valve body.
2. The male connector of claim 1, wherein a guide valve rod is coaxially arranged in the movable valve sleeve, one end of the guide valve rod is connected with the movable valve clack, and a sliding through hole for the other end of the guide valve rod to penetrate out is formed in the bottom of the spring bushing.
3. The male connector of claim 2, wherein the spring bushing has a first wear-resistant descaling ring for descaling the movable valve sleeve, and the sliding through hole has a second wear-resistant descaling ring for descaling the pilot valve stem.
4. The male connector of claim 3, wherein the liquid inlet of the valve cavity of the male connector valve body is provided with a conical limiting boss for preventing the end head of the movable valve clack from extending out.
5. The male connector of claim 1, wherein the spring bushing includes a reduced diameter section and an enlarged diameter section, the vent hole is in communication with the enlarged diameter section, and the movable valve sleeve is sleeved at the reduced diameter section.
6. A male connector plugging cap for plugging the male connector according to any one of claims 1 to 5, wherein the male connector plugging cap is provided with a buckling groove, the inner wall of the buckling groove is provided with a plugging cap roller matched with the spiral guide groove, and the plugging cap roller is rotatably connected in the buckling groove through a plugging cap roller; the tank bottom in lock groove is equipped with the scraper blade mounting groove, install stifled cap connecting plate in the scraper blade mounting groove, stifled cap connecting plate dorsad scraper blade mounting groove one side be equipped with can be right the inner wall of male joint valve body valve pocket inlet and the stifled cap scraper blade of dirt is scraped to the activity valve clack, stifled cap scraper blade orientation one side of scraper blade mounting groove is equipped with stretches out the stifled cap connecting rod of female stifled cap that connects, be equipped with stifled cap handle on the stifled cap connecting rod, stifled cap handle with stifled cap connecting rod is fixed through stifled cap stop pin, stifled cap connecting rod with be equipped with stifled cap reset wave spring between the scraper blade mounting groove.
7. A quick-connect dry valve, comprising a female connector and a male connector as claimed in any one of claims 1 to 5, wherein the female connector comprises a female connector valve body, a sliding valve sleeve is sleeved at a liquid outlet of a valve cavity of the female connector valve body, and a third wear-resistant descaling ring is arranged between the sliding valve sleeve and the valve cavity of the female connector valve body; a support frame is arranged on the inner wall of the valve cavity of the female joint valve body, a fixed valve rod is connected onto the support frame, and a fixed valve clack used for sealing the liquid outlet of the sliding valve sleeve is arranged at the end head of the fixed valve rod; a shell used for being connected with the male connector is sleeved on the outer wall of the female connector valve body, and the shell is rotatably connected to the outer wall of the female connector valve body; a wear-resistant sleeve is arranged between the shell and the female joint valve body, a fourth wear-resistant descaling ring is arranged between the shell and the sliding valve sleeve, and a return spring is arranged between the wear-resistant sleeve and the fourth wear-resistant descaling ring; the inner wall of the shell is provided with a joint roller matched with the spiral guide groove, the joint roller is rotatably connected to the inner wall of the shell through a joint roller, and the outer wall of the shell is fixedly connected with a handle.
8. The quick connect dry valve as claimed in claim 7, wherein one end of the fixed valve stem extends out of the liquid outlet of the sliding valve sleeve and is provided with the fixed valve flap, the fixed valve flap is provided with a tapered limiting structure for preventing the sliding valve sleeve from sliding out, and the other end of the fixed valve stem is screwed with the supporting frame and fastened by a nut.
9. The quick connect dry valve as claimed in claim 7, wherein the outer wall of the female connector valve body is provided with an annular chute, the inner wall of the housing is provided with a plurality of first receiving grooves corresponding to the annular chute, the plurality of first receiving grooves are circumferentially arranged on the inner wall of the housing, and the outer wall of the housing is provided with a first compression screw for compressing the steel balls in the first receiving grooves; the handle is provided with a second accommodating groove for accommodating steel balls, a third accommodating groove is formed in the shell corresponding to the second accommodating groove, and the handle is provided with a second compression screw for compressing the steel balls in the second accommodating groove.
10. A female connector block for plugging the female connector in a quick connect dry valve according to any one of claims 7 to 9, it is characterized by comprising a female joint plug, wherein the outer wall of the plugging end of the female joint plug is provided with a limit semicircular groove matched with the joint roller, the plugging end of the female joint plug is provided with an installation groove, a plug connecting plate is arranged in the installation groove, one side of the blocking connecting plate facing the plugging end is fixedly connected with a blocking scraper blade which can scrape dirt for the inner wall of the liquid outlet of the shell, the end head of the sliding valve sleeve and the end head of the fixed valve clack, one side of the plug connecting plate, which is back to the plug-in end, is provided with a plug connecting rod extending out of the plug of the female joint, the end sleeve of the blocking connecting rod is provided with a blocking handle and is fixed through a blocking anti-rotation pin, and the blocking connecting plate is back to one side of the plugging end and is provided with a blocking reset wave spring at the bottom of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193245.5A CN114593298A (en) | 2022-03-01 | 2022-03-01 | Male connector, male connector plugging cap thereof, quick connection dry valve and female connector plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193245.5A CN114593298A (en) | 2022-03-01 | 2022-03-01 | Male connector, male connector plugging cap thereof, quick connection dry valve and female connector plug |
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| Publication Number | Publication Date |
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| CN114593298A true CN114593298A (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210193245.5A Pending CN114593298A (en) | 2022-03-01 | 2022-03-01 | Male connector, male connector plugging cap thereof, quick connection dry valve and female connector plug |
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| CN (1) | CN114593298A (en) |
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Effective date of registration: 20221229 Address after: 100027 Chaoyangmen North Street, Chaoyang District, Chaoyang District, Beijing Applicant after: SINOPEC Group Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC PETROLEUM ENGINEERING Corp. Address before: 100020 Building 2, Chaoyang Gate office area, Sinopec, 9 jishikou Road, Chaoyang District, Beijing Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC PETROLEUM ENGINEERING Corp. |
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