CN114593298B - Male connector, male connector plugging cap thereof, quick-connection dry valve and female connector plugging - Google Patents
Male connector, male connector plugging cap thereof, quick-connection dry valve and female connector plugging Download PDFInfo
- Publication number
- CN114593298B CN114593298B CN202210193245.5A CN202210193245A CN114593298B CN 114593298 B CN114593298 B CN 114593298B CN 202210193245 A CN202210193245 A CN 202210193245A CN 114593298 B CN114593298 B CN 114593298B
- Authority
- CN
- China
- Prior art keywords
- valve
- plug
- male connector
- valve body
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims description 55
- 238000007789 sealing Methods 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000010779 crude oil Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 description 17
- 230000002265 prevention Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000003825 pressing 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
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 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
- 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
- 239000003350 kerosene Substances 0.000 description 1
- 239000000463 material Substances 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a male connector, a male connector plugging cap, a quick-connection dry valve and a female connector plug thereof, which are suitable for crude oil bottom loading 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 head of the movable valve sleeve is connected with a movable valve clack; a return spring is arranged in the spring bushing and the movable valve sleeve; one end of the reset spring is abutted against the bottom of the spring bushing, and the other end of the reset spring is abutted against the movable valve clack; the connecting part of the spring bushing and the male connector valve body is correspondingly provided with a vent hole which is 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 return spring is positioned in the movable valve sleeve and the spring bushing, the problem that the movable valve clack cannot be normally opened or closed due to the fact that the return spring is stuck to the return spring in the crude oil loading process to cause failure is avoided, and the vent hole can ensure that a cavity formed by the movable valve sleeve and the spring bushing is always communicated with the outside 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 plugging.
Background
The dry quick-connection head is also called a dry valve, and consists of a female connector and a male connector, and can quickly realize the separation and connection of the female connector and the male connector through anticlockwise spiral rotation, and is mainly applied to loading, unloading, fluid distribution and transmission systems of tank trucks, ships, containers, storage tanks and pumps, and has the effects of quick connection, convenient use, pollution prevention and energy conservation. For example, the patent number of 201810399413.X, the patent name of which is a "locking type self-sealing dry type quick connector", discloses a dry type quick connector, comprising a male connector and a female connector; 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 connector comprises a female connector 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 operation hand wheel; when the connector is used, the female connector is axially screwed into and out of the male connector, so that connection and disconnection can be realized.
However, the dry quick connector in the market is basically used for the finished oil and purer medium, and is rarely and directly applied to the loading and unloading process of crude oil transportation, because the crude oil is different from the finished oil and other purer mediums, the components in the crude oil are more complex, the impurities are more abundant, the condensation point is higher, the adhesiveness is stronger, the crude oil is easy to adhere to the reset spring in the dry valve in the use process, if the crude oil is extremely easy to solidify under the condition of no heat, the reset structure of the spring in the dry valve can not be closed due to the solidification of the crude oil, and therefore, 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 used for replacing the dry valves in the crude oil transportation, but the ball valves have a great defect that crude oil media are easy to remain in a pipeline between the two ball valves after loading and unloading, and the remaining media can flow out after the two ball valves are separated, so that not only can environmental pollution be caused and potential safety hazards be increased, but also 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 plug, which can be applied to crude oil bottom loading type loading, and because a return spring is positioned in a movable valve sleeve and a spring bushing, the problem that crude oil can be stuck on the return spring of the male connector to cause male connector failure is avoided, and meanwhile, the pressure in a cavity formed by the movable valve sleeve and the spring bushing can be always the same as the pressure in the outside, so that positive and negative pressures are avoided, and the opening and closing of a movable valve clack are realized.
In order to achieve the above object, the present invention provides the following solutions: 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 head 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 reset 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; the connecting part of the spring bushing and the male connector valve body is correspondingly provided with a vent hole, and the vent hole is communicated with the inside 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 is formed in the bottom of the spring bushing.
Preferably, the spring bushing is provided with a first wear-resistant descaling ring for scraping the movable valve sleeve, and the sliding through hole is provided with a second wear-resistant descaling ring for scraping the guide valve rod.
Preferably, a liquid inlet of the valve cavity of the male connector valve body is provided with a conical limit boss for preventing the end head of the movable valve clack from extending out.
Preferably, the spring bushing comprises a diameter reduction section and an expanded diameter section, the vent hole is communicated with the expanded diameter section, and the movable valve sleeve is sleeved at the diameter reduction section.
The male connector plug is characterized by comprising a male connector plug, wherein a buckling groove is formed in the male connector plug, a plug roller matched with the spiral guide groove is arranged on the inner wall of the buckling groove, and the plug roller is rotationally connected in the buckling groove through a plug roller; the tank bottom of 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 is equipped with can be right the inner wall of public joint valve body valve pocket feed liquor mouth and the stifled cap scraper blade that the activity valve clack scraped dirt, 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 it is fixed that the stifled cap connecting rod passes through stifled cap anti-rotation 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 abrasion-resistant descaling ring is arranged between the sliding valve sleeve and the valve cavity of the female connector valve body; the inner wall of the valve cavity of the female joint valve body is provided with a support frame, the support frame is connected with a fixed valve rod, and the end head of the fixed valve rod is provided with a fixed valve clack for sealing the liquid outlet of the sliding valve sleeve; the outer wall of the female joint valve body is sleeved with a shell which is used for being connected with the male joint, and the shell is rotationally connected to the outer wall of the female joint 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 rotationally 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 supporting frame and is fastened through a nut.
Preferably, an annular chute is arranged on the outer wall of the female joint valve body, a plurality of first accommodating grooves for accommodating steel balls are arranged on the inner wall of the shell at positions corresponding to the annular chute, the plurality of first accommodating grooves are circumferentially arranged on the inner wall of the shell, and a first compression screw for compressing the steel balls in the first accommodating grooves is arranged on the outer wall of the shell; the handle is provided with a second accommodating groove for accommodating the 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.
The utility model also discloses a female joint blocks up, is arranged in shutoff above-mentioned quick-connect dry-type valve female joint blocks up, including female joint blocks up, be equipped with on the outer wall of the stopper end that female joint blocks up with connect gyro wheel complex spacing semi-ring groove, the stopper end that female joint blocks up is equipped with the mounting groove, be equipped with the jam connecting plate in the mounting groove, the jam connecting plate orientation one side fixed connection who blocks up the end can be for inner wall, slip valve pocket end with the fixed valve clack end scrapes the jam scraper blade of dirt, it is dorsad to block up the connecting plate be equipped with the protrusion to block up end one side of stopper end the stopper connecting rod that female joint blocks up, the end cover that blocks up the connecting rod has the jam handle and is fixed through the jam anti-rotation pin, block up the connecting plate dorsad stopper end one side with the mounting groove bottom is equipped with blocks up reset wave spring.
Compared with the prior art, the invention has the following technical effects:
1. the reset spring is positioned in the cavity formed by the movable valve clack, the movable valve sleeve and the spring bushing, so that the reset spring can be prevented from being polluted by crude oil and malfunctioning and can not be closed due to solidification when the movable valve clack is opened and closed through the reset spring, and the movable valve sleeve can be widely applied to loading and unloading of crude oil, heavy oil, light oil, aviation kerosene and chemical media.
2. The male connector plug cap can form a seal with the male connector after being covered on the male connector, so that the male connector is prevented from leaking outwards possibly caused by other reasons, and meanwhile, the plug cap scraper is arranged at the end part of the male connector plug cap, and the residual medium on the plane of the movable valve clack in the male connector can be cleaned only by rotating the plug cap handle.
3. According to the quick-connection dry valve, the dry male connector and the female connector are in butt joint by adopting a direct clamping sleeve type, and are locked by the connector roller and the spiral guide groove, so that the male connector and the female connector can be tightly locked together by only rotating the handle, the quick-connection dry valve is conveniently and quickly connected with the tank truck, 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 spring and the return spring on the male connector and the female connector, and the male connector and the female connector can be closed by utilizing the spring force of the return spring and the return spring when the female connector is closed, so that the operation force is smaller; in addition, the male connector and the female connector of the quick-connection dry valve can be synchronously opened and closed, no gap exists between the fixed valve clack on the female connector and the movable valve clack on the male connector in the whole process before the disconnection, and the male connector and the female connector are in plane contact, so that no residual medium exists during the disconnection, and the environment protection requirement is truly realized.
4. In the quick-connection dry valve, no matter the male joint or the female joint is arranged, the part with relative motion is provided with the wear-resistant descaling ring, so that the self-cleaning effect is achieved.
5. The end part of the female joint plug is provided with the plug scraping plate, when the female end is in a non-working state, the female joint plug can play a role in sealing the female joint, and the residual medium at the fixed valve clack can be cleaned by only rotating the plug handle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a quick connect dry valve;
FIG. 2 is a schematic view of a male connector;
FIG. 3 is a schematic structural view of a female connector;
FIG. 4 is a schematic structural view of a support frame;
FIG. 5 is a schematic diagram of the structure of the quick connect dry valve after connection;
FIG. 6 is a schematic view of the structure of a male connector cap;
FIG. 7 is a schematic view of the structure of the male connector after the male connector cap is connected with the male connector;
FIG. 8 is a schematic illustration of a box plug;
fig. 9 is a schematic view of the structure after the female connector plug is connected with the female connector.
Reference numerals illustrate: 1. a male connector; 2. a male connector valve body; 3. a spring bushing; 4. a movable valve sleeve; 5. a movable valve clack; 6. a return spring; 7. a vent hole; 8. a guide valve stem; 9. conical limit boss; 10. a first wear-resistant descaling ring; 11. the second wear-resistant descaling ring; 12. a reducing section; 13. an expanding section; 14. a spiral guide groove; 15. a male connector first seal ring; 16. a male connector second seal ring; 17. a third sealing ring of the male connector; 18. a fourth sealing ring of the male connector; 19. a male connector locking screw; 20. a male connector gasket; 21. a female joint; 22. a female joint valve body; 23. sliding the 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 limit structure; 36. a nut; 37. an annular chute; 38. steel balls; 39. a first accommodation groove; 40. a first compression screw; 41. a second accommodation groove; 42. a third accommodation groove; 43. a second compression screw; 44. a female joint first sealing ring; 45. a female joint second sealing ring; 46. a female joint third sealing ring; 47. a dust-proof ring; 48. a female joint gasket; 49. female joint locking screw; 50. a male connector retainer ring; 51. a male connector plugging cap; 52. a buckling groove; 53. a cap blocking roller; 54. a cap blocking roller; 55. a scraper mounting groove; 56. a blocking cap connecting plate; 57. a cap blocking scraping plate; 58. a cap blocking connecting rod; 59. a cap blocking handle; 60. blocking cap anti-rotation pin; 61. a blocking cap reset wave spring; 62. a blocking cap retainer ring; 63. a first sealing ring of the plugging cap; 64. a second sealing ring of the plugging cap; 65. plugging the female joint; 66. limiting semi-ring groove; 67. a mounting groove; 68. blocking the connecting plate; 69. a blocking scraper; 70. blocking the connecting rod; 71. blocking the handle; 72. blocking the anti-rotation pin; 73. blocking the reset wave spring; 74. and (3) a chain.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides a male connector, as shown in fig. 1 to 9, the male connector 1 comprises a male connector valve body 2 and a spring bushing 3; the spring bushing 3 is fixed on the inner wall of the valve cavity of the male connector valve body 2, the spring bushing 3 and the valve cavity of the male connector valve body 2 are coaxially arranged, and an opening is formed in one end, facing the liquid inlet of the valve cavity of the male connector valve body 2, of the spring bushing 3, which is close to the liquid outlet of the valve cavity of the male connector valve body 2. Through the movable valve sleeve 4 sleeved in the opening spring bushing 3, the outer wall of the movable valve sleeve 4 is tightly attached to the inner wall of the spring bushing 3, a male joint second sealing ring 16 is arranged between the opening of the spring bushing 3 and the movable valve sleeve 4, and a male joint third sealing ring 17 and a male joint sealing gasket 20 are arranged between the spring bushing 3 and the male joint valve body 2. The movable valve sleeve 4 is fixedly connected with the movable valve clack 5 near the liquid inlet end of the valve cavity, 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 of the spring bushing 3, the liquid inlet of the valve cavity of the male joint valve body 2 can be closed, when the movable valve sleeve 4 slides inwards of the spring bushing 3, the liquid inlet of the valve cavity of the male joint valve body 2 can be opened, and at the moment, 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 joint valve body 2 for crude oil to pass through, as shown in reference to fig. 5. The spring bushing 3 and the movable valve sleeve 4 are internally provided with a reset spring 6, one end of the reset spring 6 is abutted against the bottom of the spring bushing 3, and the other end is abutted against the movable valve clack 5, so that after crude oil circulates, the movable valve clack 5 is automatically pushed back to seal a liquid inlet of a valve cavity of the male joint valve body 2, and the reset spring 6 can be directly and fixedly connected to the bottom of the spring bushing 3 and the movable valve clack 5. The spring bushing 3 is provided with the vent holes 7, the joint of the male joint valve body 2 and the spring bushing 3 is also provided with the vent holes 7, the two vent holes 7 just correspond to each other and then are communicated with the inside of the spring bushing 3, so that the movable valve sleeve 4 can slide towards the inside of the spring bushing 3 or slide towards the outside no matter the movable valve sleeve 4, the inner cavity of the spring bushing 3 is always equal to the external pressure, the situation that positive and negative pressures are generated in the movable valve sleeve 4 and the inner cavity of the spring bushing 3 is avoided, and the movable valve sleeve 4 is not easy to slide towards the inside of the spring bushing 3 or the movable valve sleeve 4 is not easy to slide outwards from the inside of the spring bushing 3. Meanwhile, because 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 cannot be polluted, and therefore the problem that the return spring 6 fails due to condensation of the crude oil is avoided. The outer wall of the liquid inlet end of the male connector valve body 2 is provided with a spiral guide groove 14 which is used for being connected with a female connector 21, preferably the spiral guide groove 14 is three in number, the liquid outlet of the valve cavity of the male connector valve body 2 is provided with an internal thread which is used for being connected with the liquid inlet of a tank car in a threaded manner, preferably the liquid outlet of the valve cavity of the male connector valve body 2 is also provided with a male connector locking screw 19, and the liquid outlet of the valve cavity of the male connector valve body 2 can be stably connected to the liquid inlet of the tank car by screwing the male connector locking screw 19.
Further, in this embodiment, a guiding 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 of the guide valve rod penetrates out and is in sliding connection in the sliding through hole.
Further, in this embodiment, the spring bushing 3 is provided with the 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 sealing ring 16 of the male connector, 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 outer wall of the movable valve sleeve 4. The second wear-resistant descaling ring 11 is arranged on the sliding through hole, 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 valve body 2 of the male connector, the second wear-resistant descaling ring 11 can scrape crude oil dirt occupied on the outer wall of the guide valve rod 8.
Further, in this embodiment, the liquid inlet of the valve cavity of the male connector valve body 2 is provided with a conical limit boss 9, and the movable valve clack 5 can be prevented from extending out of the liquid inlet of the valve cavity of the male connector valve body 2 by the conical limit boss 9, so that the contact surface of the corresponding movable valve clack 5 and the conical limit boss 9 is also of a conical structure, and the contact surface of the two is provided with a male connector first sealing ring 15.
In this embodiment, as shown in fig. 1 to 9, the chamber of the spring bushing 3 includes a diameter-reduced section 12 and an expanded section 13, and the inner diameter of the expanded section 13 is larger than the inner diameter of the diameter-reduced section 12. The movable valve sleeve 4 is sleeved at the diameter-reducing section 12, so that the outer diameter of the movable valve sleeve 4 is matched with the inner diameter of the diameter-reducing section 12, the vent hole 7 is communicated with the diameter-expanding section 13, and when the movable valve sleeve 4 moves towards the diameter-expanding section 13, the inner diameter of the diameter-expanding section 13 is larger than the outer diameter of the movable valve sleeve 4, so that the movable valve sleeve 4 cannot cover the vent hole 7.
Example 2
The embodiment discloses a male connector plug, as shown in fig. 1 to 9, for plugging the male connector 1 in embodiment 1, the plug comprises a male connector plug 51, a buckling groove 52 is formed in the male connector plug 51, a plug roller 54 is arranged on the inner wall of the buckling groove 52 in a penetrating manner, a plug roller 53 is rotatably connected to the end of the plug roller 54 on the inner wall of the buckling groove 52, a groove is formed in the end of the plug roller 54 extending out of the outer wall of the male connector plug 51, a plug retainer ring 62 is sleeved in the groove, the plug roller 54 is separated from the inner wall of the buckling groove 52, the plug roller 53 is screwed into the spiral guide groove 14, and the plug roller 51 can be buckled on the outer wall of the male connector valve body 2 by rotating in place. The bottom of the buckling groove 52 is concave with a scraper blade mounting groove 55, a cap connecting plate 56 is arranged in the scraper blade mounting groove 55, a cap blocking scraper 57 is arranged on the outer side of the cap connecting plate 56, and when the male connector cap 51 is buckled on the outer wall of the male connector valve body 2, the cap blocking scraper 57 just contacts 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. A cap reset wave spring 61 is arranged between the inner side of the cap connecting plate 56 and the scraper mounting groove 55, and when the male connector cap 51 is disassembled, the compressed cap scraper 57 can be automatically reset under the action of the cap reset wave spring 61. The bottom of the scraper blade mounting groove 55 is provided with a cap through hole, the inner side of the cap connecting plate 56 is fixedly connected with a cap connecting rod 58, the end head of the cap connecting rod 58 extends out of the male connector cap 51 through the cap through hole and is connected with a cap handle 59, and the cap handle 59 and the cap connecting rod 58 are inserted with a cap anti-rotation pin 60 so as to avoid relative rotation of the cap handle 59 and the cap connecting rod 58. A first sealing ring 63 is arranged between the end of the cap connecting rod 58 and the cap through hole. The bottom of the buckling groove 52 is also provided with an annular groove, an annular bulge is formed between the annular groove and the scraper mounting groove 55, after the buckling groove 52 is buckled on the outer wall of the male connector valve body 2, the end face of the annular bulge is attached to the end of the liquid inlet of the male connector valve body 2, and a second sealing ring 64 of a plugging cap is arranged on the attaching face.
When the plug is used, the buckling groove 52 of the plug 51 is buckled on the outer wall of the plug valve body 2, the plug roller 53 is screwed into the head end of the spiral guide groove 14, then the plug handle 59 is manually rotated to rotate clockwise, the plug roller 53 is screwed into the tail end of the spiral guide groove 14 to realize locking, and the plug 51 completely seals the liquid inlet of the valve cavity of the plug valve body 2, so that the effect of dust prevention and leakage prevention is realized. The disassembly process of the male connector plug cap 51 rotates the plug cap handle 59 anticlockwise by 180 degrees, the plug cap scraping plate 57 can scrape the dirt on the end face of the movable valve clack 5 and the inner wall of the liquid inlet of the valve cavity of the male connector valve body 2, remove the dirt on the end face of the movable valve clack 5, and can remove the male connector plug cap 51 by continuing rotating for a certain angle, so that the male connector plug cap can be connected with the female connector 21 for operation.
Example 3
In this embodiment, there is provided a quick-connection 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 on 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 abrasion-resistant descaling ring 24 and a female joint first sealing ring 44 are arranged between the sliding valve sleeve 23 and the valve cavity of the female joint valve body 22, the third abrasion-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 to a liquid outlet of the valve cavity of the female joint valve body 22. the inner wall of the valve cavity of the female joint valve body 22 is fixedly connected with a supporting frame 25, a fixed valve rod 26 which is coaxially arranged with the sliding valve sleeve 23 is arranged in the middle of the supporting frame 25, the end of the fixed valve rod 26 is fixedly connected with a fixed valve clack 27, when the sliding valve sleeve 23 moves towards the direction of the liquid outlet of the valve cavity, the fixed valve clack 27 can seal the liquid outlet of the sliding valve sleeve 23, and the outer wall of the liquid outlet of the sliding valve sleeve 23 is sleeved with a female joint third sealing ring 46. The liquid inlet of the valve cavity of the female joint valve body 22 is provided with an internal thread 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, and the female joint locking screw 49 is screwed down to lock the female joint valve body 22 to be 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 dust-proof 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, dirt can be removed from the inner wall of the shell 28, a spring accommodating cavity is formed among 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 31 is abutted with the fourth wear-resistant descaling ring 30, the other end of the return spring 31 is abutted with the wear-resistant sleeve 29, and when the female joint 21 and the male joint 1 are disconnected, When the sliding valve sleeve 23 slides towards the liquid outlet direction of the female joint valve body 22 and is matched and sealed with the fixed valve clack 27, and the sliding valve sleeve 23 slides towards the liquid inlet direction of the female joint valve body 22, a liquid inlet channel is formed among the valve cavity of the female joint valve body 22, the female joint valve body 22 and the shell 28, and the liquid inlet channel is communicated with the liquid inlet of the valve cavity of the female joint valve body 22 and the liquid outlet of the shell 28. The fourth wear-resisting descaling ring 30 is provided with a through hole, so that the spring accommodating cavity is always communicated with the outside, and positive and negative pressure in the spring accommodating cavity is avoided, and compression and rebound of the return spring 31 are prevented from being influenced. The inner wall of the shell 28 is penetrated with a joint roller 33, one end of the joint roller 33 penetrating the inner wall of the shell 28 is rotatably connected with a joint roller 32, the end of the joint roller 33 penetrating the outer wall of the shell 28 is provided with a groove, and a male joint retainer ring 50 is sleeved in the groove to prevent the joint roller 33 from being separated from the inner wall of the shell 28. A handle 34 is fixedly connected 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 a state from closed to open:
The female connector 21 at the tail end of the moving hose or the crane pipe is in butt joint with the male connector 1 on the liquid inlet of the tank truck, the push handle 34 pushes the connector roller 32 on the female connector 21 to the initial position of the spiral guide groove 14 on the outer wall of the male connector 1, the handle 34 is pulled clockwise to drive the shell 28 to rotate 120 degrees clockwise, the connector roller 32 moves inwards along the spiral guide groove 14, the male connector valve body 2 pushes 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 connector 21 and the male connector 1 are simultaneously opened, the quick connection dry valve is in a working state of being completely opened and self-locked, crude oil can flow into the liquid outlet channel of the male connector 1 from the liquid inlet of the female connector 21, and the crude oil flows into the tank truck from the liquid outlet, so that the loading and unloading operation of liquid medium is realized.
Referring to fig. 1 and 5, the male connector 1 and the female connector 21 are in a state from open to closed:
When the loading and unloading operation is completed, the handle 34 is pulled anticlockwise, the shell 28 is driven to rotate anticlockwise for 120 degrees, 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, and meanwhile, the sliding valve sleeve 23 in the female connector 21 also moves outwards gradually and is closed with the fixed valve clack 27 under the action of the return spring 31, so that the female connector 21 and the male connector 1 are closed simultaneously; the handle 34 is then pulled outwardly so that the female connector 21 and the male connector 1 are completely disengaged, at which point the quick dry valve is 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 clack 27, the fixed valve clack 27 is provided with a conical limit structure 35 for preventing the sliding valve sleeve 23 from sliding out of the male connector valve body 2, the contact surface of the sliding valve sleeve 23 and the conical limit structure 35 matched with the fixed valve clack is also a conical structure, and the contact surface of the sliding valve sleeve 23 and the conical limit structure 35 is provided with a female connector second seal ring 45. Referring to fig. 4, the support frame 25 has a hand-wheel-like structure, 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 chute 37 is disposed on the outer wall of the female connector valve body 22, a first accommodating groove 39 is disposed on the inner wall of the housing 28 corresponding to the annular chute 37, the first accommodating groove 39 is circumferentially disposed on the inner wall of the housing 28, the first accommodating groove 39 contains a steel ball 38, and the steel ball 38 is slidably connected in the annular chute 37 and is pressed by a first pressing screw 40 on the outer wall of the housing 28, so as to ensure that the female connector valve body 22 and the housing 28 can bear corresponding axial forces, but cannot generate axial displacement, and thus can relatively perform rotational movement. The handle 34 is provided with a second accommodating groove 41, the housing 28 is provided with a third accommodating groove 42 corresponding to the second accommodating groove 41, and the second accommodating groove 41 and the third accommodating groove 42 are internally provided with steel balls 38 and are pressed by a second pressing screw 43 on the handle 34. Preferably, the second receiving groove 41 and the third receiving groove 42 are each three, i.e., the handle 34 is fixedly coupled to the housing 28 by three steel balls 38.
In this embodiment, the large parts of the quick-connection dry valve are all made of aluminum materials, so that the weight is light, and the operation is very light under the balance force of the hose, particularly the crane tube spring cylinder, so that the labor intensity is low. The rubber sealing parts inside 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
In this embodiment, as shown in fig. 1 to 9, a female connector plug is provided for plugging a female connector 21 in a quick-connection dry valve as in embodiment 3, and the female connector plug comprises a female connector plug 65, wherein the female connector plug 65 is plugged into a liquid outlet of a housing 28 of the female connector 21, a limiting semi-annular groove 66 is arranged on an outer wall of a plugged end of the female connector plug 65, the limiting semi-annular groove 66 is used for being matched with a connector roller 32, and the connector roller 32 is locked after rotating 180 degrees from a starting position of the limiting semi-annular groove 66. The plug-in end of the female joint plug 65 is provided with a mounting groove 67, a plug connecting plate 68 is arranged in the mounting groove 67, a plug scraper 69 is fixedly connected to the outer side of the plug connecting plate 68, the plug scraper 69 can scrape dirt on the inner wall of a liquid outlet of the shell 28, the end of the sliding valve sleeve 23 and the end of the fixed valve clack 27, a plug connecting rod 70 is arranged on the inner side surface of the plug connecting plate 68, the plug connecting rod 70 extends out of the mounting groove 67 and the female joint plug 65, a plug handle 71 is sleeved on the end of the plug connecting rod 70, the plug handle 71 and the plug connecting rod 70 are fixed through a plug anti-rotation pin 72, and a plug reset wave spring 73 is arranged between the inner side of the plug connecting plate 68 and the bottom of the mounting groove 67. Referring to fig. 9, the female connector plug 65 may be connected to the housing 28 by a chain 74 to avoid loss.
When the anti-dust plug is used, the female connector plug 65 is aligned with the liquid outlet of the shell 28 of the female connector 21, the connector roller 32 is axially pushed into the starting position of the limiting semi-annular groove 66, then the manual rotation plug handle 71 rotates clockwise, and when the anti-dust plug is rotated, the plug scraper 69 contacts with the end surfaces of the fixed valve clack 27 and the sliding valve sleeve 23 and rotates 180 degrees for cleaning once, and the connector roller 32 is driven to move to the final position in the limiting semi-annular groove 66 and self-lock after a certain angle of rotation, so that dust prevention and leakage prevention in the transportation process are realized. In the process of detaching the female connector plug 65, the plug handle 71 is rotated 180 degrees anticlockwise, dirt is removed for the second time on the fixed valve clack 27 and the sliding valve sleeve 23, the female connector plug 65 can be detached by continuing to rotate a certain angle, and the female connector plug can be connected with the male connector 1.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (8)
1. The 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 head 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 reset 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; the connecting part of the spring bushing and the male connector valve body is correspondingly provided with a vent hole, the vent hole is communicated with the inside of the spring bushing, the spring bushing comprises a diameter reduction section and an expanded diameter section, the vent hole is communicated with the expanded diameter section, the movable valve sleeve is sleeved at the diameter reduction section, the inner diameter of the expanded diameter section is larger than the inner diameter of the diameter reduction section, and the outer diameter of the movable valve sleeve is matched with the inner diameter of the diameter reduction section; the outer wall of the male connector valve body is provided with a spiral guide groove, 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 the bottom of the spring bushing is provided with a sliding through hole for the other end of the guide valve rod to penetrate out.
2. The male connector of claim 1, wherein the spring bushing is provided with a first wear-resistant descaling ring for scraping the movable valve sleeve, and the sliding through hole is provided with a second wear-resistant descaling ring for scraping the guide valve rod.
3. The male connector of claim 2, wherein the liquid inlet of the valve cavity of the valve body of the male connector is provided with a conical limit boss for preventing the end head of the movable valve clack from extending.
4. A male connector plug cap for plugging a male connector according to any one of claims 1-3, comprising a male connector plug cap, wherein the male connector plug cap is provided with a buckling groove, the inner wall of the buckling groove is provided with a plug cap roller matched with the spiral guide groove, and the plug cap roller is rotationally connected in the buckling groove through a plug cap roller; the tank bottom of 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 is equipped with can be right the inner wall of public joint valve body valve pocket feed liquor mouth and the stifled cap scraper blade that the activity valve clack scraped dirt, stifled cap scraper blade orientation one side of scraper blade mounting groove is equipped with stretches out the stifled cap connecting rod of public joint stifled cap, be equipped with stifled cap handle on the stifled cap connecting rod, stifled cap handle with it is fixed that the stifled cap connecting rod passes through stifled cap anti-rotation pin, stifled cap connecting rod with be equipped with stifled cap reset wave spring between the scraper blade mounting groove.
5. A quick-connection dry valve which is characterized by comprising a female connector and a male connector as claimed in any one of claims 1-3, 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; the inner wall of the valve cavity of the female joint valve body is provided with a support frame, the support frame is connected with a fixed valve rod, and the end head of the fixed valve rod is provided with a fixed valve clack for sealing the liquid outlet of the sliding valve sleeve; the outer wall of the female joint valve body is sleeved with a shell which is used for being connected with the male joint, and the shell is rotationally connected to the outer wall of the female joint 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 rotationally 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.
6. The quick connect dry valve of claim 5, wherein 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 limit 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 supporting frame and is fastened by a nut.
7. The quick-connection dry valve according to claim 5, wherein an annular chute is arranged on the outer wall of the female joint valve body, a plurality of first accommodating grooves for accommodating steel balls are arranged on the inner wall of the shell at positions corresponding to the annular chute, the plurality of first accommodating grooves are circumferentially arranged on the inner wall of the shell, and first compression screws for compressing the steel balls in the first accommodating grooves are arranged on the outer wall of the shell; the handle is provided with a second accommodating groove for accommodating the 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.
8. A female joint plug for plugging the female joint in the quick-connection dry valve according to any one of claims 5-7, which is characterized by comprising a female joint plug, wherein a limit semi-ring groove matched with the joint roller is arranged on the outer wall of the plug-in end of the female joint plug, a mounting groove is arranged at the plug-in end of the female joint plug, a plug connecting plate is arranged in the mounting groove, the plug connecting plate faces to one side of the plug-in end and is fixedly connected with a plug scraping plate capable of scraping dirt for the inner wall of a liquid outlet of the shell, the end of the sliding valve sleeve and the end of the fixed valve clack, a plug connecting rod extending out of the female joint plug is arranged at one side of the plug connecting plate opposite to the plug-in end, the end of the plug connecting rod is sleeved with a plug handle and is fixed through a plug anti-rotation pin, and a plug reset wave spring is arranged at one side of the plug-in end and the bottom of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193245.5A CN114593298B (en) | 2022-03-01 | 2022-03-01 | Male connector, male connector plugging cap thereof, quick-connection dry valve and female connector plugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193245.5A CN114593298B (en) | 2022-03-01 | 2022-03-01 | Male connector, male connector plugging cap thereof, quick-connection dry valve and female connector plugging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114593298A CN114593298A (en) | 2022-06-07 |
| CN114593298B true CN114593298B (en) | 2024-07-05 |
Family
ID=81807288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210193245.5A Active CN114593298B (en) | 2022-03-01 | 2022-03-01 | Male connector, male connector plugging cap thereof, quick-connection dry valve and female connector plugging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114593298B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705617A (en) * | 2012-06-01 | 2012-10-03 | 中国人民解放军后勤工程学院 | Combined dry self-sealing joint for oil equipment |
| KR20130022276A (en) * | 2011-08-25 | 2013-03-06 | 주식회사 그린택지티에스 | Clairvoyant type cleaner of clairvoyance window washing device |
| CN105378363A (en) * | 2013-04-05 | 2016-03-02 | 阿法格玛公司 | Quick-fit hydraulic or hydrodynamic coupling for pressurised fluids |
| CN209654633U (en) * | 2019-03-27 | 2019-11-19 | 科达阀门科技有限公司 | A kind of quick-opening mud valve with long service life |
| CN217108690U (en) * | 2022-03-01 | 2022-08-02 | 中石化石油工程技术服务有限公司 | Male connector, male connector plugging cap thereof, quick-connection dry valve and female connector plug |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100498639B1 (en) * | 2002-08-13 | 2005-07-01 | (주)스타코넷 | Dry pipe valve for sprinkler |
| KR100531494B1 (en) * | 2004-01-20 | 2005-11-30 | 주식회사 우당기술산업 | Air actuator of dry pipe valve |
| CN2769657Y (en) * | 2005-01-12 | 2006-04-05 | 吴权林 | Oil-gas recovery connector |
| JP4912375B2 (en) * | 2007-09-28 | 2012-04-11 | 長堀工業株式会社 | Fluid coupling |
| KR101695430B1 (en) * | 2015-09-21 | 2017-01-11 | 이상록 | Deluge valve of movable piston type |
| CN107061751B (en) * | 2017-04-26 | 2019-02-15 | 张新丰 | A kind of band rotary drag shut-off valve assembly method |
| CN209799925U (en) * | 2019-03-05 | 2019-12-17 | 天津康坦石油设备科技有限公司 | Reinforcing grouting float shoe for oil well |
| US10907744B1 (en) * | 2020-07-30 | 2021-02-02 | Vortech Engineering, Inc. | Pressure relief valve |
| CN212804303U (en) * | 2020-09-01 | 2021-03-26 | 福建奥德斯阀门科技有限公司 | Multi-layer lining reinforced manual valve |
-
2022
- 2022-03-01 CN CN202210193245.5A patent/CN114593298B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130022276A (en) * | 2011-08-25 | 2013-03-06 | 주식회사 그린택지티에스 | Clairvoyant type cleaner of clairvoyance window washing device |
| CN102705617A (en) * | 2012-06-01 | 2012-10-03 | 中国人民解放军后勤工程学院 | Combined dry self-sealing joint for oil equipment |
| CN105378363A (en) * | 2013-04-05 | 2016-03-02 | 阿法格玛公司 | Quick-fit hydraulic or hydrodynamic coupling for pressurised fluids |
| CN209654633U (en) * | 2019-03-27 | 2019-11-19 | 科达阀门科技有限公司 | A kind of quick-opening mud valve with long service life |
| CN217108690U (en) * | 2022-03-01 | 2022-08-02 | 中石化石油工程技术服务有限公司 | Male connector, male connector plugging cap thereof, quick-connection dry valve and female connector plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114593298A (en) | 2022-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6155294A (en) | Dry disconnect coupling with improved poppet seal | |
| US8720487B2 (en) | Grease delivery receiver and nozzle couplable without fluid pressure bleed-down and having pressurization lockout and flush face coupling | |
| US2842382A (en) | Valved connector | |
| US2935338A (en) | Quick coupling | |
| US20040050450A1 (en) | Cryogenic coupling device | |
| US4727901A (en) | Ball valve | |
| EP0644991A1 (en) | Coupling device | |
| US3934606A (en) | Cam locked ball valve | |
| EP0024068A1 (en) | Quick coupling device for pressurized fluid conduits. | |
| CN217108690U (en) | Male connector, male connector plugging cap thereof, quick-connection dry valve and female connector plug | |
| CN114593298B (en) | Male connector, male connector plugging cap thereof, quick-connection dry valve and female connector plugging | |
| CN216972000U (en) | Bottom-mounted thickened oil loading and parking system | |
| CN113217809A (en) | Dry-type quick joint for loading and unloading LNG (liquefied natural gas) car tank car | |
| WO1997029314A1 (en) | Fluid coupler for use in the transfer of liquefied gases | |
| CN110657249A (en) | Stop valve | |
| CN114394571A (en) | Bottom-mounted heavy oil loading and parking system and using method thereof | |
| CN214653606U (en) | Quick joint for low-temperature dangerous chemical fluid loading and unloading | |
| CN214093038U (en) | Improved mechanical seal for alumina slurry pump | |
| CN212718121U (en) | High-temperature high-pressure hard sealing ball valve | |
| CN110155348B (en) | Filling valve kit | |
| CN114233890A (en) | Low-leakage metal hard-seal fixed forged steel ball valve | |
| CN102434680A (en) | Quick disconnection valve | |
| CN219119936U (en) | Self-sealing valve with manual exhaust function | |
| US20100160136A1 (en) | Centrifugal separators and related devices and methods | |
| CN111514629A (en) | Novel urea filter with pressure release capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
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. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |