CN104295839A - Anti-pollution underwater one-way hydraulic rapid connector and application method of anti-pollution underwater one-way hydraulic rapid connector - Google Patents
Anti-pollution underwater one-way hydraulic rapid connector and application method of anti-pollution underwater one-way hydraulic rapid connector Download PDFInfo
- Publication number
- CN104295839A CN104295839A CN201410502316.0A CN201410502316A CN104295839A CN 104295839 A CN104295839 A CN 104295839A CN 201410502316 A CN201410502316 A CN 201410502316A CN 104295839 A CN104295839 A CN 104295839A
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- female
- male
- valve pocket
- spool
- shell
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to an underwater one-way hydraulic rapid connector, in particular to an anti-pollution underwater one-way hydraulic rapid connector and an application method of the anti-pollution underwater one-way hydraulic rapid connector. The anti-pollution underwater one-way hydraulic rapid connector comprises a male connector body and a female connector body. The male connector body comprises a first tail connector main body, a first sealing ring, a male connector outer shell, a male connector spring, a male connector valve element, a male connector locking nut and a second sealing ring. The female connector body comprises third sealing rings, a female connector outer shell, a female connector locking nut, a valve sleeve, a fourth sealing ring, a female connector spring, a female connector valve element, check rings, a valve sleeve baffle, a second tail connector main body and a fifth sealing ring. The first tail connector main body is connected to the inner side of one end of the male connector outer shell through threads. According to the anti-pollution underwater one-way hydraulic rapid connector and the application method, a one-way valve structure with the movable valve sleeve is provided, the one-way valve element hidden in the valve sleeve is used as an ejection rod for opening a hydraulic channel, butt joint end faces can be improved into planes, seawater or other kinds of environment fluid can be accordingly drained, and the pollution-free butt joint can be achieved.
Description
Technical field
The present invention relates to single channel hydraulic quick coupling under water, be specifically related to a kind of antipollution hydraulic quick coupling of single channel under water and application process thereof.
Background technique
Single channel hydraulic quick coupling is that one is equipped on subsea production system under water, a kind of equipment that extensive use and deep water hydrocarbon field are developed.Multiple hydraulic quick coupling of single channel is under water combined into Multifunctional quick joint (Multi Quick Connector, hereinafter referred to as MQC), adds docking and locking mechanism, the quick connection that can realize many pipelines be separated.
The hydraulic joint of single channel under water used both at home and abroad is at present National Coupling and Walther series mainly, and the scheme that nearly all underwater hydraulic rapid pipe joint adopts is all a male and a female collocation, one-way valve respectively containing a band push rod in male and female, opened by the inner elements of check valve of push rod by both sides when docking, realize hydraulic path.Because need to seal between male and female before one-way valve opens, and in order to form hydraulic path, certain space must be left between one-way valve push rod and joint shell, therefore all there is a common problem in this kind of joint, namely after male and female seal, a part of seawater can be left in joint inside, this part seawater can enter into hydraulic system along with hydraulic oil after the one-way valve opens on both sides, according to engineering experience, each plug enters the seawater amount of hydraulic system greatly about 2-4 ml.Long-Time Service, the seawater entering into hydraulic system may remain in hydraulic pipe line, valve or hydraulic actuator, causes unnecessary corrosion, the stability of influential system and reliability.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes deficiency of the prior art, provides a kind of antipollution hydraulic quick coupling of single channel under water and application process thereof.
For technical solution problem, solution of the present invention is:
A kind of antipollution hydraulic quick coupling of single channel is under water provided, comprise tool joint pin and female joint, described tool joint pin comprises the first pigtail connection, first seal ring, male shell, male spring, male spool, male locking nut and the second seal ring, described female joint comprises the 3rd seal ring, female shell, female locking nut, valve pocket, 4th seal ring, female spring, female spool, back-up ring, valve pocket baffle plate, second pigtail connection and the 5th seal ring, described first pigtail connection is threadedly attached to inside male shell one end, and the joint between the first pigtail connection and male shell is provided with the first seal ring seals, external oil pipe can be connect, described male spool is arranged on inside the male shell the other end, and wherein, the front-end face of described male spool and the front-end face phase conical surface of male shell are fitted together to, and the chimeric place of the conical surface between male spool with male shell arranges the second seal ring and realizes sealing, by male spring for male spool provides pretightening force, described male spring one end withstands on the end face of the first pigtail connection, and one end is stretched into male valve core inside and withstood male spool, for it provides pretightening force, makes male spool can form sealing with male shell when not being subject to external force,
Described second pigtail connection is threaded connection inside female shell one end, and the joint between the second pigtail connection and female shell is provided with the 5th seal ring; Valve pocket baffle plate is fixedly connected with between second pigtail connection and female shell; Described valve pocket is nested in inside the female shell the other end, and between valve pocket and female shell, be provided with the 3rd seal ring, and valve pocket can move a certain distance in female shell; Described female spring fitting between valve pocket and valve pocket baffle plate, for valve pocket provides pretightening force; Female spool runs through the center hole by establishing in valve pocket and valve pocket baffle plate successively, and on female spool, be provided with two back-up rings, and spacing as left and right, female spool can be moved a certain distance vertically, described valve pocket baffle plate is provided with the equally distributed hole of circumferentially shape, passes through for hydraulic oil; The front-end face of female spool and the front-end face phase conical surface of valve pocket are fitted together to, and the conical surface place of being fitted together between female spool and valve pocket is provided with the 4th seal ring.
In the present invention, described seal ring is O shape rubber seal.
In the present invention, described back-up ring is circlip for shaft.
In the present invention, the shift motion of the valve pocket in described female joint is greater than the shift motion of female spool.
In the present invention, between described female shell and valve pocket, two seals circle is equipped with in nested arrangements face, one seal ring and valve pocket form motive sealing, and another road seal ring is arranged on the front-end face place of valve pocket, for when tool joint pin is docked and male case nose form motive sealing.
In the present invention, described male outer side has been threaded connection male locking nut, and for this tool joint pin is fixed to external equipment, described external equipment is as the mobile terminal of Multifunctional quick joint (MQC).
In the present invention, described female outer side has been threaded connection female locking nut, and for female joint is fixed to external equipment, described external equipment is as the fixed end of Multifunctional quick joint (MQC).
The present invention also provides a kind of application process of the antipollution hydraulic quick coupling of single channel under water, in tool joint pin and female joint docking operation, along with tool joint pin front-end face and female joint front-end face close to each other, be present in fluid between tool joint pin and female joint squeezed walk, until tool joint pin front-end face contacts with female joint front-end face; Along with the continuation of docking operation, the 3rd seal ring in female joint is crossed in tool joint pin, sealing is realized with female joint, then because male spool stroke is identical with female spool stroke, and be 1/2 of valve pocket stroke, after docking puts in place, valve pocket is by male shell top on valve pocket baffle plate, and male spool also backs down by female spool, realizes hydraulic path.Due to before tool joint pin and female joint sealing, the seawater of joint is drained by the front-end face of two joints, therefore whole connection procedure only has minute quantity seawater or other ambient flow cognition to enter in hydraulic system.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention proposes the one-way valve structures using removable valve pocket, use the nonreturn valve core be hidden in valve pocket as the push rod opening hydraulic path, the end face mutually docked can be improved to plane, thus seawater or other environment liquids can be drained, realize pollution-free docking.
Accompanying drawing explanation
Fig. 1 is tool joint pin structural representation of the present invention.
Fig. 2 is female joint structural representation of the present invention.
Fig. 3 is anti-pollution schematic diagram of the present invention.
Fig. 4 is fundamental diagram of the present invention.
Reference character in figure is: 1 first pigtail connection; 2 first seal rings; 3 male shells; 4 male springs; 5 male spools; 6 male locking nuts; 7 second seal rings; 8 the 3rd seal rings; 9 female shells; 10 female locking nuts; 11 valve pockets; 12 the 4th seal rings; 13 female springs; 14 female spools; 15 back-up rings; 16 valve pocket baffle plates; 17 second pigtail connection; 18 the 5th seal rings.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
The tool joint pin of a kind of antipollution hydraulic quick coupling of single channel under water in Fig. 1, for the pollution-free quick connection that realizes underwater hydraulic pipeline be separated, comprise the first pigtail connection 1, first seal ring 2, male shell 3, male spring 4, male spool 5, male locking nut 6, second seal ring 7, what the first seal ring 2 here and the second seal ring 7 adopted is O shape rubber seal.Described first pigtail connection 1 is threaded connection on male shell 3, and seals with the first seal ring 2, can connect external oil pipe; Male spool 5 is arranged on inside male shell 3, add the second seal ring 7 and realize sealing, and the front-end face conical surface of the front-end face of male spool 5 and male shell 3 is fitted together to, by male spring 4 for male spool 5 provides pretightening force by the conical surface; Described male spring 4 one end withstands on the end face of the first pigtail connection 1, and its other end stretches into male spool 5 inside and withstands male spool 5, for it provides pretightening force, male spool 5 is formed with male shell 3 when not being subject to external force and seals; Male locking nut has been threaded connection, for tool joint pin is fixed to other equipment outside described male shell 3.
The female joint of a kind of antipollution hydraulic quick coupling of single channel under water in Fig. 2, comprise the 3rd seal ring 8, female shell 9, female locking nut 10, valve pocket 11, the 4th seal ring 12, female spring 13, female spool 14, back-up ring 15, valve pocket baffle plate 16, second pigtail connection 17, the 5th seal ring 18, what the 3rd seal ring 8 here and the 4th seal ring 12 adopted is O shape rubber seal, and what back-up ring 15 adopted is circlip for shaft.
Described second pigtail connection 17 is threaded connection on female shell 9, and seals with the 5th seal ring 18, and valve pocket baffle plate 16 is fixed by the second pigtail connection 17 and female shell 9 simultaneously; Valve pocket 11 and female shell 9 coordinate, and are sealed by the 3rd seal ring 8, and valve pocket 11 can move a certain distance in female shell 9; 3rd seal ring 8 has twice, and one seal ring is used for sealing between valve pocket 11 and female shell 9, and another road is positioned at front-end face alignment during valve pocket 11 outermost limit position, during for docking with tool joint pin and male case nose form motive sealing; Female spring 13 is contained between valve pocket 11 and valve pocket baffle plate 16, for valve pocket 11 provides pretightening force; Female spool 14 through the hole in the middle of valve pocket 11 and valve pocket baffle plate 16, and is fixed spacing as left and right with two back-up rings 15, and female spool 14 can be moved a certain distance vertically, and hole valve pocket baffle plate 16 having circle distribution is passed through for hydraulic oil; Add the 4th seal ring 12 by the conical surface between female spool 14 and valve pocket 11 to seal, and the front-end face of the front-end face of female spool 14 and valve pocket 11 overlaps; Female locking nut 10 and female shell 9 are threaded, for female joint is fixed to other equipment.
A kind of application process of the antipollution hydraulic quick coupling of single channel under water is also provided in the embodiment of the present invention, in tool joint pin and female joint docking operation, close along with male shell 3 front-end face and valve pocket 11, be present in seawater between tool joint pin and female joint or other environment liquids squeezed walk, until male shell 3 front-end face contacts with valve pocket 11; Along with the continuation of docking operation, male shell 3 front-end face crosses the 3rd seal ring 8 at female joint inner valve sleeve 11 front-end face place, motive sealing is realized with female joint, then because male spool 5 is identical with the stroke of female spool 14, and be 1/2 of valve pocket 9 stroke, after docking puts in place, valve pocket 11 is pushed up on valve pocket baffle plate 16 by male shell 3, and female spool 14 reaches the limit of position prior to valve pocket 11, male spool 5 can be backed down, open hydraulic path.Due to before tool joint pin and female joint sealing, the seawater of joint is drained by male shell 3 front-end face and valve pocket 11, therefore whole connection procedure only has minute quantity seawater or other ambient flow cognition to enter in hydraulic system, can realize anti-pollution in joint swapping process.
Finally, it should be noted that above what enumerate is only specific embodiments of the invention.Obviously, the invention is not restricted to above embodiment, a lot of distortion can also be had.Such as seal ring can be the seal ring of other types, locking nut can use back-up ring or other modes to replace, the sealing of male spool and male shell and female spool and valve pocket can make other modes, female spool can with step or other modes spacing, the seal ring on female shell and valve pocket fitting surface for other quantity or can be arranged on other positions etc.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (8)
1. the antipollution hydraulic quick coupling of single channel under water, comprise tool joint pin and female joint, it is characterized in that, tool joint pin and female joint are docked mutually, described tool joint pin comprises the first pigtail connection, first seal ring, male shell, male spring, male spool and the second seal ring, described female joint comprises the 3rd seal ring, female shell, valve pocket, 4th seal ring, female spring, female spool, back-up ring, valve pocket baffle plate, second pigtail connection and the 5th seal ring, described first pigtail connection is threadedly attached to inside male shell one end, and the joint between the first pigtail connection and male shell is provided with the first seal ring, described male spool is arranged on inside the male shell the other end, and wherein, the front-end face of described male spool and the front-end face of male shell are that the conical surface is fitted together to, and the chimeric place of the conical surface between male spool with male shell arranges the second seal ring and realizes sealing, described male spring one end withstands on the end face of the first pigtail connection, and its other end stretches into male valve core inside and withstands male spool, for male spool provides pretightening force, male spool is formed with male shell when not being subject to external force and seals,
Described second pigtail connection is threaded connection inside female shell one end, and the joint between the second pigtail connection and female shell is provided with the 5th seal ring; Valve pocket baffle plate is fixedly connected with between second pigtail connection and female shell; Described valve pocket is nested in inside the female shell the other end, and between valve pocket and female shell, be provided with the 3rd seal ring, described female spring fitting is between valve pocket and valve pocket baffle plate, female spool runs through the center hole by establishing in valve pocket and valve pocket baffle plate successively, and on female spool, be provided with two back-up rings, described valve pocket baffle plate is provided with the equally distributed hole of circumferentially shape, the front-end face of female spool and the front-end face of valve pocket are that the conical surface is fitted together to, and the conical surface place of being fitted together between female spool and valve pocket is provided with the 4th seal ring.
2. the antipollution hydraulic quick coupling of single channel under water according to claim 1, is characterized in that, described seal ring is O shape rubber seal.
3. the antipollution hydraulic quick coupling of single channel under water according to claim 1, it is characterized in that, described back-up ring is circlip for shaft.
4. the antipollution hydraulic quick coupling of single channel under water according to claim 1, it is characterized in that, in described female joint, the shift motion of valve pocket is greater than the shift motion of female spool.
5. the antipollution hydraulic quick coupling of single channel under water according to claim 1, it is characterized in that, between described female shell and valve pocket, two seals circle is equipped with in nested arrangements face, wherein one seal ring and valve pocket form motive sealing, another road seal ring is arranged on the front-end face place of valve pocket, for when tool joint pin is docked and male case nose form motive sealing.
6. the antipollution hydraulic quick coupling of single channel under water according to claim 1, it is characterized in that, described male outer side has been threaded connection male locking nut.
7. the antipollution hydraulic quick coupling of single channel under water according to claim 1, it is characterized in that, described female outer side has been threaded connection female locking nut.
8. the application process based on the antipollution hydraulic quick coupling of single channel under water described in claim 1, it is characterized in that, in tool joint pin and female joint docking operation, along with tool joint pin front-end face and female joint front-end face close to each other, be present in fluid between tool joint pin and female joint squeezed walk, until tool joint pin front-end face contacts with female joint front-end face; Along with the continuation of docking operation, the 3rd seal ring in female joint is crossed in tool joint pin, sealing is realized with female joint, then because male spool stroke is identical with female spool stroke, and be 1/2 of valve pocket stroke, after docking puts in place, valve pocket is by male shell top on valve pocket baffle plate, and male spool also backs down by female spool, realizes hydraulic path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410502316.0A CN104295839A (en) | 2014-09-26 | 2014-09-26 | Anti-pollution underwater one-way hydraulic rapid connector and application method of anti-pollution underwater one-way hydraulic rapid connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410502316.0A CN104295839A (en) | 2014-09-26 | 2014-09-26 | Anti-pollution underwater one-way hydraulic rapid connector and application method of anti-pollution underwater one-way hydraulic rapid connector |
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| CN104295839A true CN104295839A (en) | 2015-01-21 |
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| CN201410502316.0A Pending CN104295839A (en) | 2014-09-26 | 2014-09-26 | Anti-pollution underwater one-way hydraulic rapid connector and application method of anti-pollution underwater one-way hydraulic rapid connector |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546254A (en) * | 2016-03-04 | 2016-05-04 | 苏州道森钻采设备股份有限公司 | Quick-connection hydraulic joint for underwater pipe converging and pipe control |
| CN107387915A (en) * | 2017-09-05 | 2017-11-24 | 中海石油气电集团有限责任公司 | Integrated form snap joint is used in a kind of LNG filling |
| CN107387916A (en) * | 2017-09-01 | 2017-11-24 | 哈尔滨工程大学 | A kind of free of contamination underwater single channel hydraulic joint |
| CN107917297A (en) * | 2017-03-26 | 2018-04-17 | 烟台大学 | A kind of less leakage rate high life two-way quick disconnection device of plug with pressure |
| CN108317323A (en) * | 2018-02-08 | 2018-07-24 | 宁波大雅汽车部件有限公司 | Quick connector with automatic cut-off function |
| CN108561651A (en) * | 2018-03-13 | 2018-09-21 | 西安理工大学 | A kind of pipe joint arrangement of automatic butt |
| CN110500463A (en) * | 2019-07-17 | 2019-11-26 | 华为技术有限公司 | A kind of connector, cooling system and computer installation |
| CN110594510A (en) * | 2019-09-29 | 2019-12-20 | 富莱荣(苏州)电器有限公司 | Quick-operation joint and atomizer |
| CN110608335A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Fluid connector and fluid connector assembly |
| CN112393045A (en) * | 2020-11-13 | 2021-02-23 | 泽清新能源科技有限公司 | Water-cooling interface and joint |
| CN112709877A (en) * | 2020-11-24 | 2021-04-27 | 武汉船舶设计研究院有限公司 | Underwater hose plug-pull connecting device suitable for deep sea mining |
| CN114321096A (en) * | 2021-11-16 | 2022-04-12 | 海洋石油工程股份有限公司 | Quick assembling and disassembling device for hydraulic test connector for underwater MQC welding inflation |
| CN114696153A (en) * | 2022-06-02 | 2022-07-01 | 上海临希智能科技有限公司 | Photoelectric composite silt-proof structure of underwater connector |
| CN114877149A (en) * | 2022-03-29 | 2022-08-09 | 哈尔滨工程大学 | Underwater hydraulic joint for quickly discharging seawater without leakage in deep sea |
| IT202200010421A1 (en) * | 2022-05-19 | 2023-11-19 | Stucchi Spa | Quick coupling assembly with flat-faced female coupling with mobile shutter. |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546254A (en) * | 2016-03-04 | 2016-05-04 | 苏州道森钻采设备股份有限公司 | Quick-connection hydraulic joint for underwater pipe converging and pipe control |
| CN107917297A (en) * | 2017-03-26 | 2018-04-17 | 烟台大学 | A kind of less leakage rate high life two-way quick disconnection device of plug with pressure |
| CN107917297B (en) * | 2017-03-26 | 2023-07-07 | 烟台大学 | Low-leakage-rate and long-service-life bidirectional under-pressure plug quick disconnect device |
| CN107387916A (en) * | 2017-09-01 | 2017-11-24 | 哈尔滨工程大学 | A kind of free of contamination underwater single channel hydraulic joint |
| CN107387916B (en) * | 2017-09-01 | 2023-08-15 | 哈尔滨工程大学 | Pollution-free underwater single-way hydraulic joint |
| CN107387915A (en) * | 2017-09-05 | 2017-11-24 | 中海石油气电集团有限责任公司 | Integrated form snap joint is used in a kind of LNG filling |
| CN108317323A (en) * | 2018-02-08 | 2018-07-24 | 宁波大雅汽车部件有限公司 | Quick connector with automatic cut-off function |
| CN108561651A (en) * | 2018-03-13 | 2018-09-21 | 西安理工大学 | A kind of pipe joint arrangement of automatic butt |
| CN110608335B (en) * | 2018-09-30 | 2021-11-16 | 中航光电科技股份有限公司 | Fluid connector and fluid connector assembly |
| CN110608335A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Fluid connector and fluid connector assembly |
| CN110500463A (en) * | 2019-07-17 | 2019-11-26 | 华为技术有限公司 | A kind of connector, cooling system and computer installation |
| WO2021008568A1 (en) * | 2019-07-17 | 2021-01-21 | 华为技术有限公司 | Connector, cooling system and computer device |
| CN110594510A (en) * | 2019-09-29 | 2019-12-20 | 富莱荣(苏州)电器有限公司 | Quick-operation joint and atomizer |
| CN112393045A (en) * | 2020-11-13 | 2021-02-23 | 泽清新能源科技有限公司 | Water-cooling interface and joint |
| CN112709877A (en) * | 2020-11-24 | 2021-04-27 | 武汉船舶设计研究院有限公司 | Underwater hose plug-pull connecting device suitable for deep sea mining |
| CN114321096A (en) * | 2021-11-16 | 2022-04-12 | 海洋石油工程股份有限公司 | Quick assembling and disassembling device for hydraulic test connector for underwater MQC welding inflation |
| CN114877149A (en) * | 2022-03-29 | 2022-08-09 | 哈尔滨工程大学 | Underwater hydraulic joint for quickly discharging seawater without leakage in deep sea |
| CN114877149B (en) * | 2022-03-29 | 2023-07-21 | 哈尔滨工程大学 | Deep sea leakless quick-draining underwater hydraulic joint |
| IT202200010421A1 (en) * | 2022-05-19 | 2023-11-19 | Stucchi Spa | Quick coupling assembly with flat-faced female coupling with mobile shutter. |
| CN114696153A (en) * | 2022-06-02 | 2022-07-01 | 上海临希智能科技有限公司 | Photoelectric composite silt-proof structure of underwater connector |
| CN114696153B (en) * | 2022-06-02 | 2022-08-23 | 上海临希智能科技有限公司 | Photoelectric composite silt-proof structure of underwater connector |
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Application publication date: 20150121 |