CN114069324B - Irradiation-resistant underwater connector - Google Patents

Irradiation-resistant underwater connector Download PDF

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Publication number
CN114069324B
CN114069324B CN202111372054.7A CN202111372054A CN114069324B CN 114069324 B CN114069324 B CN 114069324B CN 202111372054 A CN202111372054 A CN 202111372054A CN 114069324 B CN114069324 B CN 114069324B
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CN
China
Prior art keywords
sleeve
sealing
cable
ring
limiting
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
Application number
CN202111372054.7A
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Chinese (zh)
Other versions
CN114069324A (en
Inventor
荆波
詹大和
曹传阳
邓胚强
徐坤
李嘉敏
刘东兵
陈一峰
查卫华
包彦省
刘惠枫
郑金山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNNC Nuclear Power Operation Management Co Ltd
Anhui Sunny Electric Group Co Ltd
Original Assignee
CNNC Nuclear Power Operation Management Co Ltd
Anhui Sunny Electric Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNNC Nuclear Power Operation Management Co Ltd, Anhui Sunny Electric Group Co Ltd filed Critical CNNC Nuclear Power Operation Management Co Ltd
Priority to CN202111372054.7A priority Critical patent/CN114069324B/en
Publication of CN114069324A publication Critical patent/CN114069324A/en
Application granted granted Critical
Publication of CN114069324B publication Critical patent/CN114069324B/en
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type

Abstract

The invention relates to an irradiation-resistant underwater connector, which belongs to the technical field of electric connectors, and the technical scheme comprises a socket connected with an underwater lamp and a cable sealing tube connected with a cable, wherein a plug is arranged between the socket and the cable sealing tube; one end of the plug is detachably connected with the socket and is provided with a first connection sealing structure; the other end of plug with the cable seal tube can dismantle, and is provided with second connection seal structure, through adopting above-mentioned technical scheme, can dismantle connecting cable and lamp under water under the nuclear power plant under water, conveniently maintain or change under water the lamp, and avoid changing the cable simultaneously, very big saving the cost.

Description

Irradiation-resistant underwater connector
Technical Field
The invention belongs to the technical field of electric connectors, and particularly relates to an irradiation-resistant underwater electric connector.
Background
The existing nuclear power plant underwater lamp is basically connected with the cable in an integrated mode, when the underwater lamp breaks down or is damaged, the underwater lamp and the cable are generally replaced together, the replaced underwater lamp becomes nuclear waste after long-term radiation, the nuclear waste is very strong in radiation and cannot be discarded at will, the cable and the underwater lamp are connected in an integrated mode, when the underwater lamp after the break down or the damage is replaced, the cable is replaced together, and the cable cost and the processing cost are increased.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the irradiation-resistant underwater connector, which can be used for detachably connecting a cable and an underwater lamp under the water of a nuclear power plant, is convenient for maintaining or replacing the underwater lamp, and can be used for avoiding the simultaneous replacement of the cable, thereby greatly saving the cost.
In order to achieve the above object, the present invention provides a technical solution as follows:
the irradiation-resistant underwater connector is characterized by comprising a socket connected with an underwater lamp and a cable sealing tube connected with a cable, wherein a plug is arranged between the socket and the cable sealing tube; one end of the plug is detachably connected with the socket and is provided with a first connection sealing structure; the other end of the plug is detachable from the cable sealing tube and is provided with a second connecting sealing structure.
Preferably, the socket comprises a first sleeve, a first insulating sealing sleeve is arranged on the inner side of the first sleeve, a contact pin is arranged in the first insulating sealing sleeve, two ends of the contact pin respectively penetrate through the first insulating sealing sleeve, one end of the contact pin is electrically connected with the underwater lamp, and the other end of the contact pin is connected with the plug; the plug comprises a second sleeve, and a second insulation sealing sleeve is arranged on the inner side of the second sleeve; the inner side of the second insulating sealing sleeve is provided with an insertion pipe, an insertion hole is formed in the insertion pipe, the insertion hole penetrates through two ends of the second insulating sealing sleeve, one end of the insertion hole is detachably connected with the contact pin, and the other end of the insertion hole is connected with a cable in the cable sealing pipe; the first connection seal is located between the first sleeve and the second sleeve.
Preferably, the first connection sealing structure comprises a first limiting ring arranged at the outer side of the second sleeve, and the outer side of the second sleeve is sleeved with a locking sleeve; the inner side of the locking sleeve is provided with a second limiting ring at one axial end, a first internal thread is tapped at one end, far away from the second limiting ring, of the inner side of the locking sleeve, the inner diameter of the first internal thread is larger than the outer diameter of the first limiting ring, and the inner diameter of the second limiting ring is smaller than the outer diameter of the first limiting ring; a first annular sealing groove is formed in the outer side of the second sleeve and a pipe section close to the first sleeve; a first sealing ring is arranged in the first annular sealing groove; a first annular limiting step is formed between the first annular sealing groove and the first limiting ring; a second annular limiting step is arranged on the outer side of the second sleeve and positioned on one side surface, far away from the first limiting ring, of the first annular sealing groove; one end of the first sleeve, which is close to the second sleeve, is integrally formed with a sealing sleeve, the diameter of the sealing sleeve is larger than the outer diameter of the first sleeve, a third annular limiting step is formed on the inner side of the sealing sleeve, and a first external thread is tapped on the outer side of the sealing sleeve; the sealing sleeve can be sleeved on the outer side of the second sleeve and is positioned in the locking sleeve, the first internal thread and the first external thread are matched with each other, the inner side of the sealing sleeve is elastically abutted with the first sealing ring, the end part of the sealing sleeve is abutted with the first annular limiting step, and the third annular limiting step is abutted with the second annular limiting step.
Preferably, the inner diameter of the first sleeve is larger than the outer diameter of the second sleeve, and at least one limiting groove is formed in one end, close to the second sleeve, of the first sleeve along the axial direction; the outer side wall of the second sleeve is provided with a limiting block close to one end of the first sleeve, and the limiting block can be embedded in the limiting groove and can slide in the limiting groove along the axial direction.
Preferably, the inner wall of the first sleeve is integrally formed with a third limiting ring, a second sealing ring is arranged on one side surface, close to the second sleeve, of the third limiting ring, and the end part of the second sleeve is abutted to the second sealing ring.
Preferably, the inner side of the second sealing ring is positioned at the outer side of the contact pin, a sealing gasket is sleeved at one end of the sealing gasket is abutted against the first insulating sealing sleeve, and the other end of the sealing gasket is abutted against the second insulating sealing sleeve.
Preferably, a fourth limiting ring is arranged on the outer side of the first sleeve, and a second external thread is arranged on the outer side of the first sleeve and positioned on the side, far away from the second sleeve, of the fourth limiting ring; a second annular sealing groove is formed in one side, close to the second external thread, of the fourth limiting ring, and a third annular sealing ring is arranged in the second annular sealing groove; the second external thread is connected with a mounting nut, and the mounting nut is connected with the sewer lamp.
Preferably, the second connecting sealing structure comprises a mounting ring, the mounting ring is rotatably sleeved on the outer side of the cable sealing tube along one end of the axis and is close to one end of the plug, and a second internal thread is tapped on the inner side of the other end of the mounting ring; a third external thread is tapped on the outer side of one end, far away from the first sleeve, of the second sleeve, and the second sleeve is matched with the second internal thread through the third external thread; the cable sealing tube is outside, and is close to the first sealed step has been seted up to second sheathed tube one end, the second sleeve pipe is close to the second sealed step has been seted up to cable sealing tube one end, first sealed step with the fourth sealing washer has been cup jointed between the second sealed step.
Preferably, the cable sealing tube is L-shaped.
Preferably, a third connecting sealing structure which is connected and sealed with the cable is arranged at one end of the cable sealing tube far away from the plug, the third connecting sealing structure comprises a conical sealing ring and a compression nut, a conical opening is formed in the inner wall of one end of the cable sealing tube far away from the plug, and the conical sealing ring is sleeved in the conical opening; one end of the compression nut is in threaded connection with the cable sealing tube, and the other end of the compression nut is provided with a limiting ring plate.
The invention provides an irradiation-resistant underwater connector, which is characterized in that a first connecting sealing structure and a second connecting sealing structure are connected in a sealing way, when an underwater lamp is required to be replaced or maintained, a socket or the underwater lamp can be detached for replacement independently, so that the cable is prevented from being replaced while the underwater lamp is replaced, the cost is greatly saved, and meanwhile, the underwater lamp can be replaced quickly.
In the first connection sealing structure, a locking relation is formed through the mutual connection of the first external thread and the second internal thread, a limiting supporting effect is formed through the first limiting step, the second limiting step and the third limiting step, the first sealing ring is positioned in the second annular sealing groove and is relatively fixed in position, the position of the first sealing ring is relatively stable while the connection sealing effect with the sealing sleeve is ensured, the abrasion is relatively small, and the sealing effect is relatively better. The second sealing ring and the sealing gasket can form a second layer and a third layer of sealing effect, so that the sealing effect in underwater use is ensured.
Drawings
FIG. 1 is a schematic illustration in semi-section of an irradiation-resistant subsea connector of the present invention;
FIG. 2 is a schematic illustration of the connection of a protruding socket and plug in an irradiation-tolerant subsea connector according to the present invention;
FIG. 3 is a schematic illustration of a projection plug and cable gland connection in an irradiation resistant subsea connector of the present invention;
FIG. 4 is a schematic illustration in semi-section of a protruding socket in an irradiation-resistant subsea connector according to the present invention;
fig. 5 is a schematic view in semi-section of a protruding plug in an irradiation-resistant underwater connector of the present invention.
Reference numerals in the drawings:
100. a socket; 110. a first sleeve; 111. a limit groove; 112. a third limiting ring; 113. a fourth stop collar; 114. a second external thread; 115. a second annular seal groove; 120. a first insulating gland; 130. a contact pin; 140. a third annular seal ring; 150. installing a nut;
200. a cable sealing tube; 210. a first sealing step; 220. a conical mouth;
300. a plug; 310. a second sleeve; 311. a first annular seal groove; 312. a limiting block; 313. a third external thread; 314. a second sealing step; 320. a second insulating gland; 330. a connecting pipe is inserted; 331. a plug hole;
400. a first connection seal structure; 410. a first stop collar; 420. a locking sleeve; 421. a second limiting ring; 422. a first internal thread; 430. a first seal ring; 440. a first annular limiting step; 450. the second annular limiting step; 460. sealing the sleeve; 461. a third annular limiting step; 462. a first external thread; 470. a second seal ring; 480. a sealing gasket;
500. a second connection seal structure; 510. a mounting ring; 511. a second internal thread; 512. a third sealing step; 520. a fourth seal ring;
600. a third connection seal structure; 610. a conical sealing ring; 620. a compression nut; 621. and a limiting ring plate.
Detailed Description
The present invention will be further described with reference to the drawings and the specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. 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.
Examples
The invention provides an irradiation-resistant underwater connector, which is shown in fig. 1-5, and comprises a socket 100 connected with an underwater lamp and a cable sealing tube 200 connected with a cable, wherein a plug 300 is arranged between the socket 100 and the cable sealing tube 200; one end of the plug 300 is detachably connected with the socket 100, and is provided with a first connection sealing structure 400; the other end of the plug 300 is detachable from the cable sealing tube 200 and is provided with a second connection sealing structure 500.
When the underwater lamp is installed, the underwater lamp is connected with the socket 100, the cable passes through the cable sealing tube 200 and is electrically connected with the plug 300, the cable sealing tube is connected with the socket 100 and the plug 300 in a sealing manner through the first connection sealing structure 400 and the second connection sealing structure 500, when the underwater lamp is required to be replaced or maintained, the socket 100 or the underwater lamp can be detached to be replaced independently, the cable is prevented from being replaced while the underwater lamp is replaced, the cost is greatly saved, and meanwhile the underwater lamp can be replaced quickly.
Specifically, the socket 100 includes a first sleeve 110, a first insulation sealing sleeve 120 is disposed on the inner side of the first sleeve 110, a pin 130 is disposed in the first insulation sealing sleeve 120, two ends of the pin 130 respectively penetrate through the first insulation sealing sleeve 120, one end of the pin 130 is electrically connected to the underwater lamp, and the other end is connected to the plug 300.
The plug 300 comprises a second sleeve 310, the inside of the second sleeve 310 being provided with a second insulation gland 320; the inner side of the second insulation sealing sleeve 320 is provided with a plug tube 330, a plug hole 331 is formed in the plug tube 330, the plug hole 331 penetrates through two ends of the second insulation sealing sleeve 320, one end of the plug tube is detachably connected with the pin 130, and the other end of the plug tube is connected with a cable in the cable sealing tube 200; the first connection sealing structure 400 is located between the first sleeve 110 and the second sleeve 310.
The first connection sealing structure 400 includes a first stop collar 410 disposed outside the second sleeve 310, and a locking sleeve 420 is sleeved outside the second sleeve 310; the locking sleeve 420 is provided with a second stop ring 421 at one axial end inside. A first internal thread 422 is tapped at one end, which is far away from the second limiting ring 421, on the inner side of the locking sleeve 420, the inner diameter of the first internal thread 422 is larger than the outer diameter of the first limiting ring 410, and the inner diameter of the second limiting ring 421 is smaller than the outer diameter of the first limiting ring 410; when the locking sleeve 420 is sleeved on the inner side and the outer side of the second sleeve 310, the first internal thread 422 penetrates through the first limiting ring 410 to be connected with the first sleeve 110, and the second limiting ring 421 and the first limiting ring 410 are mutually abutted to form limiting.
A first annular sealing groove 311 is formed on the outer side of the second sleeve 310 and on a pipe section close to the first sleeve 110; a first sealing ring 430 is arranged in the first annular sealing groove 311; a first annular limiting step 440 is formed between the first annular sealing groove 311 and the first limiting ring 410; a second annular limiting step 450 is arranged on the outer side of the second sleeve 310 and on one side surface of the first annular sealing groove 311, which is far away from the first limiting ring 410. A sealing sleeve 460 is integrally formed at one end of the first sleeve 110, which is close to the second sleeve 310, the diameter of the sealing sleeve 460 is larger than the outer diameter of the first sleeve 110, a third annular limiting step 461 is formed at the inner side of the sealing sleeve 460, and a first external thread 462 is tapped at the outer side of the sealing sleeve 460; the sealing sleeve 460 may be sleeved outside the second sleeve 310 and within the locking sleeve 420. When in installation, the first internal thread 422 and the first external thread 462 are mutually matched, the inner side of the sealing sleeve 460 is elastically abutted against the first sealing ring 430, the end part of the sealing sleeve 460 is abutted against the first annular limiting step 440, and the third annular limiting step 461 is abutted against the second annular limiting step 450.
When in installation, the sealing sleeve 460 passes through the second sleeve 310 and is in threaded connection with the locking sleeve 420, in the connection process, the inner part of the sealing sleeve 460 is in butt seal with the first sealing ring 430, the end part is in butt joint with the first annular limiting step 440, and the second annular limiting step 450 and the third annular limiting step 461 are in butt joint with each other. The first external thread 462 and the second internal thread 511 are connected with each other to form a locking relationship, the first limiting step, the second limiting step and the third limiting step form a limiting supporting effect, the first sealing ring 430 is positioned in the second annular sealing groove 115 and is relatively fixed in position, the position of the first sealing ring 430 is relatively stable while the connecting sealing effect with the sealing sleeve 460 is ensured, the abrasion is relatively small, and the sealing effect is relatively better.
Secondly, the inner diameter of the first sleeve 110 is larger than the outer diameter of the second sleeve 310, and at least one limiting groove 111 is formed in the end, close to the second sleeve 310, of the first sleeve 110 along the axial direction; the outer side wall of the second sleeve 310, and one end close to the first sleeve 110 is provided with a limiting block 312, and the limiting block 312 can be embedded in the limiting groove 111 and can slide in the axial direction in the limiting groove 111. Through the spacing groove 111 and the stopper 312 that set up, when the installation, first sleeve pipe 110 and second sleeve pipe 310 are spacing by spacing groove 111 and stopper 312, and the position of first sleeve pipe 110 and second sleeve pipe 310 is relatively stable, can not appear relative rotation, guarantees then that inboard contact pin 130 is connected stably. When installed, the sealing sleeve 460 is connected by rotating the locking sleeve 420.
The inner wall of the first sleeve 110 is integrally formed with a third limiting ring 112, a second sealing ring 470 is arranged on one side surface of the third limiting ring 112, which is close to the second sleeve 310, and the end part of the second sleeve 310 is abutted against the second sealing ring 470. This location forms a second effective seal when installed by the provision of a second seal ring 470.
A sealing gasket 480 is sleeved on the inner side of the second sealing ring 470 and positioned on the outer side of the pin 130, one end of the sealing gasket 480 is abutted against the first insulating sealing sleeve 120, and the other end of the sealing gasket 480 can be abutted against the second insulating sealing sleeve 320. Through the sealing gasket 480 that sets up, form the effectual sealed effect of third layer, and then guaranteed the sealed effect of this position department after the nuclear power plant connects under water.
The outer side of the first sleeve 110 is provided with a fourth limiting ring 113, and the outer side of the first sleeve 110 and the side, far away from the second sleeve 310, of the fourth limiting ring 113 are provided with second external threads 114; the fourth limiting ring 113 is provided with a second annular sealing groove 115 at one side close to the second external thread 114, and a third annular sealing ring 140 is arranged in the second annular sealing groove 115; the second external thread 114 is connected with a mounting nut 150, the mounting nut 150 is connected with the underwater lamp, and the mounting nut 150 and the underwater lamp can be integrally formed or can be in sealing connection in other sealing modes.
The second connection sealing structure 500 includes a mounting ring 510, and the mounting ring 510 is rotatably sleeved on the outer side of the cable sealing tube 200 along one end of the axis and is close to one end of the plug 300. The inner side of the other end of the mounting ring 510 is provided with a second internal thread 511; the outer side of the end, far away from the first sleeve 110, of the second sleeve 310 is provided with a third external thread 313, and the second sleeve 310 is matched with the second internal thread 511 through the third external thread 313; the connection fixation to the second sleeve 310 is achieved by the mounting ring 510.
The cable sealing tube 200 is outside, and is close to the one end of second sleeve pipe 310 and has seted up first seal step 210, and the one end of second sleeve pipe 310 close to cable sealing tube 200 has seted up second seal step 314, has cup jointed fourth sealing washer 520 between first seal step 210 and the second seal step 314. Preferably, a third sealing step 512 is formed on the inner side of the first installation tube, the diameter of one end of the third sealing step 512, which is close to the installation ring 510 and connected with the cable sealing tube 200, is relatively large, the diameter of one end, which is close to the second internal thread 511, is relatively small, two side surfaces of the fourth sealing ring 520 are respectively abutted against the first sealing step 210 and the third sealing step 512, and the second sealing step 314 and the first sealing step 210 are located on the inner side of the fourth sealing ring 520. By the above arrangement, the tightness of the connection of the cable gland 200 with the second sleeve 310 can be ensured.
The cable gland 200 is "L" shaped. The end of the cable sealing tube 200, which is far away from the plug 300, is provided with a third connecting sealing structure 600 which is connected and sealed with the cable, the third connecting sealing structure 600 comprises a conical sealing ring 610 and a compression nut 620, the inner wall of the end of the cable sealing tube 200, which is far away from the plug 300, is formed with a conical opening 220, and the conical sealing ring 610 is sleeved in the conical opening 220; one end of the compression nut 620 is screw-coupled with the cable gland 200, and the other end is provided with a stop collar plate 621. Through the third connection sealing structure 600, the connection sealing of the cable side wall can be realized, so that the air tightness of the cable end is ensured, and the waterproof performance of the connector is ensured.
In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," "rear," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Embodiments of the invention and features of the embodiments may be combined with each other without conflict.
The foregoing examples merely illustrate embodiments of the invention and are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (8)

1. The irradiation-resistant underwater connector is characterized by comprising a socket (100) connected with an underwater lamp and a cable sealing tube (200) connected with a cable, wherein a plug (300) is arranged between the socket (100) and the cable sealing tube (200); one end of the plug (300) is detachably connected with the socket (100), and a first connection sealing structure (400) is arranged; the other end of the plug (300) is detachable from the cable sealing tube (200) and is provided with a second connecting sealing structure (500);
the socket (100) comprises a first sleeve (110), a first insulating sealing sleeve (120) is arranged on the inner side of the first sleeve (110), a contact pin (130) is arranged in the first insulating sealing sleeve (120), two ends of the contact pin (130) respectively penetrate through the first insulating sealing sleeve (120), one end of the contact pin (130) is electrically connected with an underwater lamp, and the other end of the contact pin is connected with the plug (300);
the plug (300) comprises a second sleeve (310), and a second insulation sealing sleeve (320) is arranged on the inner side of the second sleeve (310); an insertion pipe (330) is arranged at the inner side of the second insulation sealing sleeve (320), an insertion hole (331) is formed in the insertion pipe (330), the insertion hole (331) penetrates through two ends of the second insulation sealing sleeve (320), one end of the insertion hole is detachably connected with the contact pin (130), and the other end of the insertion hole is connected with a cable in the cable sealing pipe (200);
the first connection seal (400) is located between the first sleeve (110) and the second sleeve (310);
the first connecting sealing structure (400) comprises a first limiting ring (410) arranged on the outer side of the second sleeve (310), and a locking sleeve (420) is sleeved on the outer side of the second sleeve (310);
the inner side of the locking sleeve (420) is provided with a second limiting ring (421) at one axial end, a first internal thread (422) is tapped at one end, far away from the second limiting ring (421), of the inner side of the locking sleeve (420), the inner diameter of the first internal thread (422) is larger than the outer diameter of the first limiting ring (410), and the inner diameter of the second limiting ring (421) is smaller than the outer diameter of the first limiting ring (410);
a first annular sealing groove (311) is formed in the outer side of the second sleeve (310) and a pipe section close to the first sleeve (110); a first sealing ring (430) is arranged in the first annular sealing groove (311);
a first annular limiting step (440) is formed between the first annular sealing groove (311) and the first limiting ring (410); a second annular limiting step (450) is arranged on the outer side of the second sleeve (310) and positioned on one side surface of the first annular sealing groove (311) away from the first limiting ring (410);
one end of the first sleeve (110) close to the second sleeve (310) is integrally formed with a sealing sleeve (460), the diameter of the sealing sleeve (460) is larger than the outer diameter of the first sleeve (110), a third annular limiting step (461) is formed on the inner side of the sealing sleeve (460), and a first external thread (462) is tapped on the outer side of the sealing sleeve (460);
the sealing sleeve (460) can be sleeved on the outer side of the second sleeve (310) and is positioned in the locking sleeve (420), the first internal thread (422) and the first external thread (462) are matched with each other, the inner side of the sealing sleeve (460) is elastically abutted with the first sealing ring (430), the end part of the sealing sleeve (460) is abutted with the first annular limiting step (440), and the third annular limiting step (461) is abutted with the second annular limiting step (450).
2. The irradiation-resistant underwater connector according to claim 1, wherein an inner diameter of the first sleeve (110) is larger than an outer diameter of the second sleeve (310), and at least one limit groove (111) is formed in an axial direction at one end of the first sleeve (110) close to the second sleeve (310);
the outer side wall of the second sleeve (310) is provided with a limiting block (312) close to one end of the first sleeve (110), and the limiting block (312) can be embedded in the limiting groove (111) and can slide in the limiting groove (111) along the axial direction.
3. The irradiation-resistant underwater connector according to claim 1, wherein a third limiting ring (112) is integrally formed on the inner wall of the first sleeve (110), a second sealing ring (470) is arranged on one side surface, close to the second sleeve (310), of the third limiting ring (112), and the end part of the second sleeve (310) is abutted to the second sealing ring (470).
4. The irradiation-resistant underwater connector according to claim 3, wherein a sealing gasket (480) is sleeved on the inner side of the second sealing ring (470) and the outer side of the contact pin (130), one end of the sealing gasket (480) is abutted against the first insulating sealing sleeve (120), and the other end of the sealing gasket is abutted against the second insulating sealing sleeve (320).
5. The irradiation-resistant underwater connector according to claim 1, wherein a fourth limiting ring (113) is arranged on the outer side of the first sleeve (110), and a second external thread (114) is arranged on the outer side of the first sleeve (110) and on the side, away from the second sleeve (310), of the fourth limiting ring (113);
a second annular sealing groove (115) is formed in one side, close to the second external thread (114), of the fourth limiting ring (113), and a third annular sealing ring (140) is arranged in the second annular sealing groove (115);
the second external thread (114) is connected with a mounting nut (150), and the mounting nut (150) is connected with the underwater lamp in a sealing mode.
6. The irradiation-resistant underwater connector according to claim 1, wherein the second connection sealing structure (500) comprises a mounting ring (510), the mounting ring (510) is rotatably sleeved on the outer side of the cable sealing tube (200) along one end of an axis and is close to one end of the plug (300), and a second internal thread (511) is tapped on the inner side of the other end of the mounting ring (510);
a third external thread (313) is tapped on the outer side of one end, far away from the first sleeve (110), of the second sleeve (310), and the second sleeve (310) is matched with the second internal thread (511) through the third external thread (313);
the cable sealing tube (200) outside, and be close to one end of second sleeve pipe (310) has seted up first sealed step (210), one end that second sleeve pipe (310) is close to cable sealing tube (200) has seted up second sealed step (314), first sealed step (210) with fourth sealing washer (520) have been cup jointed between second sealed step (314).
7. The connector of claim 1, wherein said cable gland (200) is "L" shaped.
8. The irradiation-resistant underwater connector according to claim 1, wherein a third connection sealing structure (600) for sealing the cable connection is arranged at one end of the cable sealing tube (200) far away from the plug (300), the third connection sealing structure (600) comprises a conical sealing ring (610) and a compression nut (620), a conical opening (220) is formed in the inner wall of one end of the cable sealing tube (200) far away from the plug (300), and the conical sealing ring (610) is sleeved in the conical opening (220);
one end of the compression nut (620) is in threaded connection with the cable sealing tube (200), and the other end of the compression nut is provided with a limiting ring plate (621).
CN202111372054.7A 2021-11-18 2021-11-18 Irradiation-resistant underwater connector Active CN114069324B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632655A (en) * 1995-03-20 1997-05-27 The United States Of America As Represented By The Secretary Of The Navy Electrical connector with replaceable male pins
US5888083A (en) * 1997-05-20 1999-03-30 Brantner & Associates, Inc. Miniature underwater connector
CN106785646A (en) * 2016-12-15 2017-05-31 中国船舶重工集团公司第七0五研究所 A kind of cylindrical sealing structure of penetrating cable
CN108649400A (en) * 2018-04-19 2018-10-12 郑州航天电子技术有限公司 A kind of detachable deepwater seal connector
WO2020174417A1 (en) * 2019-02-26 2020-09-03 Aegir Technologies Limited Two-part and terminal connectors with conductor management device for use in hazardous environments

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632655A (en) * 1995-03-20 1997-05-27 The United States Of America As Represented By The Secretary Of The Navy Electrical connector with replaceable male pins
US5888083A (en) * 1997-05-20 1999-03-30 Brantner & Associates, Inc. Miniature underwater connector
CN106785646A (en) * 2016-12-15 2017-05-31 中国船舶重工集团公司第七0五研究所 A kind of cylindrical sealing structure of penetrating cable
CN108649400A (en) * 2018-04-19 2018-10-12 郑州航天电子技术有限公司 A kind of detachable deepwater seal connector
WO2020174417A1 (en) * 2019-02-26 2020-09-03 Aegir Technologies Limited Two-part and terminal connectors with conductor management device for use in hazardous environments

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