CN114069324A - Irradiation-resistant underwater connector - Google Patents

Irradiation-resistant underwater connector Download PDF

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Publication number
CN114069324A
CN114069324A CN202111372054.7A CN202111372054A CN114069324A CN 114069324 A CN114069324 A CN 114069324A CN 202111372054 A CN202111372054 A CN 202111372054A CN 114069324 A CN114069324 A CN 114069324A
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CN
China
Prior art keywords
sleeve
sealing
ring
cable
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.)
Granted
Application number
CN202111372054.7A
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Chinese (zh)
Other versions
CN114069324B (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
Anticipated expiration legal-status Critical

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    • 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

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention relates to an irradiation-resistant underwater connector, which belongs to the technical field of electric connectors, and the technical scheme of the irradiation-resistant underwater connector comprises a socket connected with an underwater lamp and a cable sealing pipe connected with a cable, wherein a plug is arranged between the socket and the cable sealing pipe; one end of the plug is detachably connected with the socket, and a first connecting and sealing structure is arranged on the plug; the other end of plug with cable seal tube can dismantle, and is provided with the second and connects seal structure, through adopting above-mentioned technical scheme, can dismantle connecting cable and lamp under water under nuclear power plant under water, and the convenience is maintained or is changed lamp under water, and avoids 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 lamp under water of current nuclear power plant all is the integration basically to be connected with the cable, after the lamp breaks down or damages under water, generally all be with lamp under water together change with the cable, lamp under water after because of the change becomes the nuclear waste material after radiating for a long time, very strong radiation has, can not abandon at will, so need handle it, and the cable is connected with lamp integration under water, when changing the lamp under water after the trouble or damage, change the cable together, cable cost and treatment cost have been increased, therefore, need urgently to provide one kind can be in nuclear power plant use under water and can realize lamp and cable detachable under water, the good underwater connector of leakproofness.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an irradiation-resistant underwater connector which can be detachably connected with a cable and an underwater lamp under the water of a nuclear power plant, so that the underwater lamp can be conveniently maintained or replaced, the cable is prevented from being replaced at the same time, and the cost is greatly saved.
In order to achieve the above object, the present invention provides a technical solution as follows:
an 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 a first connecting and sealing structure is arranged on the plug; the other end of the plug and the cable sealing pipe can be detached and are provided with a second connecting and 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 inside the first insulating sealing sleeve, two ends of the contact pin penetrate through the first insulating sealing sleeve respectively, 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 insulating sealing sleeve is arranged on the inner side of the second sleeve; an inserting pipe is arranged on the inner side of the second insulating sealing sleeve, an inserting hole is formed in the inserting pipe, the inserting hole penetrates through two ends of the second insulating sealing sleeve, one end of the inserting hole is detachably connected with the inserting pin, and the other end of the inserting hole is connected with a cable in the cable sealing sleeve; the first connection seal arrangement is located between the first and second sleeves.
Preferably, the first connecting and sealing structure comprises a first limiting ring arranged on the outer side of the second sleeve, and a locking sleeve is sleeved on the outer side of the second sleeve; a second limiting ring is arranged at one axial end of the inner side of the locking sleeve, a first internal thread is arranged at one end of the inner side of the locking sleeve, which is far away from the second limiting ring, 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 on the 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 on one side surface, far away from the first limiting ring, of the first annular sealing groove; a sealing sleeve is integrally formed at one end, close to the second sleeve, of the first 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 arranged on the outer side of the sealing sleeve in a tapping mode; the sealing sleeve can be sleeved on the outer side of the second sleeve and is located 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 in elastic butt joint with the first sealing ring, the end part of the sealing sleeve is in butt joint with the first annular limiting step, and the third annular limiting step is in butt joint 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 axis direction; and a limiting block is arranged at one end of the outer side wall of the second sleeve, which is close to the first sleeve, and can be embedded in the limiting groove and can slide in the limiting groove along the axis direction.
Preferably, a third limiting ring is integrally formed on the inner wall of the first sleeve, a second sealing ring is arranged on one side face, close to the second sleeve, of the third limiting ring, and the end portion of the second sleeve abuts against the second sealing ring.
Preferably, the inner side of the second sealing ring is located on the outer side of the contact pin, a sealing gasket is sleeved on the outer side of the contact pin, one end of the sealing gasket is abutted to the first insulating sealing sleeve, and the other end of the sealing gasket can be abutted to 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 on one 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 which is connected with the water discharge lamp.
Preferably, the second connecting and sealing structure comprises a mounting ring, one end of the mounting ring along the axis is rotatably sleeved outside the cable sealing pipe 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; and a first sealing step is formed at one end, close to the second sleeve, of the outer side of the cable sealing pipe, a second sealing step is formed at one end, close to the cable sealing pipe, of the second sleeve, and a fourth sealing ring is sleeved between the first sealing step and the second sealing step.
Preferably, the cable sealing tube is shaped like an "L".
Preferably, a third connecting and sealing structure connected and sealed with the cable is arranged at one end, far away from the plug, of the cable sealing tube, the third connecting and sealing structure comprises a conical sealing ring and a compression nut, a conical opening is formed in the inner wall of one end, far away from the plug, of the cable sealing tube, 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 pipe, 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 hermetically connected with an underwater lamp through a first connecting and sealing structure and a second connecting and sealing structure, when the underwater lamp needs to be replaced or maintained, a socket or the underwater lamp can be detached and 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.
In first connection seal structure, the interconnect through first external screw thread and second internal thread forms the locking relation, forms spacing supporting effect through first spacing step, the spacing step of second and the spacing step of third, and first sealing washer is in the relative fixed of second ring seal inslot position, when guaranteeing to be connected sealed effect with sealing sleeve, the position of first sealing washer is stable relatively, and wearing and tearing are less relatively, and then sealed effect is better relatively. The second sealing ring and the sealing gasket which are arranged can form the second layer and the third layer of sealing effect, and the sealing effect in underwater use is guaranteed.
Drawings
FIG. 1 is a schematic view in half section of an irradiation resistant subsea connector of the present invention;
FIG. 2 is a schematic view of the connection relationship between a protruding socket and a plug in an irradiation resistant underwater connector of the present invention;
FIG. 3 is a schematic view of the connection of a projecting plug and a cable gland in an irradiation resistant underwater connector of the present invention;
FIG. 4 is a schematic view in half section of a projecting socket in an irradiation resistant underwater connector of the present invention;
fig. 5 is a schematic half-sectional view of a projecting plug in an irradiation resistant underwater connector of the present invention.
Reference numbers in the figures:
100. a socket; 110. a first sleeve; 111. a limiting groove; 112. a third limit ring; 113. a fourth limit ring; 114. a second external thread; 115. a second annular seal groove; 120. a first insulating gland; 130. inserting a pin; 140. a third annular seal ring; 150. mounting a nut;
200. a cable gland; 210. a first sealing step; 220. a tapered 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 sealing sleeve; 330. inserting a pipe; 331. inserting holes;
400. a first connecting seal structure; 410. a first limit ring; 420. a locking sleeve; 421. a second stop collar; 422. a first internal thread; 430. a first seal ring; 440. a first annular limiting step; 450. a 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 gasket;
500. a second connecting seal structure; 510. a mounting ring; 511. a second internal thread; 512. a third sealing step; 520. a fourth seal ring;
600. a third connecting and sealing structure; 610. a conical seal ring; 620. a compression nut; 621. a limit ring plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The invention provides an irradiation-resistant underwater connector, which 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, and the cable sealing tube 200 is connected with the underwater lamp; one end of the plug 300 is detachably connected to 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 gland 200 and is provided with a second connection sealing structure 500.
When the lamp is installed, the underwater lamp is connected with the socket 100, the cable penetrates through the cable sealing tube 200 and then is electrically connected with the plug 300, the first connecting sealing structure 400 and the second connecting sealing structure 500 are used for connecting the socket 100 and the underwater lamp in a sealing mode, when the underwater lamp needs to be replaced or maintained, the socket 100 or the underwater lamp can be detached and replaced independently, the cable is prevented from being replaced when 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 insulating sealing sleeve 120 is disposed on the inner side of the first sleeve 110, a pin 130 is disposed inside the first insulating sealing sleeve 120, two ends of the pin 130 penetrate through the first insulating sealing sleeve 120 respectively, one end of the pin 130 is electrically connected to the underwater lamp, and the other end of the pin is connected to the plug 300.
The plug 300 comprises a second sleeve 310, inside of which second sleeve 310 a second insulating gland 320 is arranged; the inner side of the second insulating 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 insulating sealing sleeve 320, one end of the plug hole 331 is detachably connected with the contact pin 130, and the other end of the plug hole 331 is connected with a cable in the cable sealing tube 200; the first coupling seal arrangement 400 is located between the first sleeve 110 and the second sleeve 310.
The first connecting and 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; a second stop ring 421 is disposed at one axial end inside the locking sleeve 420. A first internal thread 422 is tapped at one end of the inner side of the locking sleeve 420, which is far away from the second limit ring 421, the internal diameter of the first internal thread 422 is larger than the external diameter of the first limit ring 410, and the internal diameter of the second limit ring 421 is smaller than the external diameter of the first limit 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 passes 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 abutted to each other to form limiting.
A first annular sealing groove 311 is formed in a pipe section, which is close to the first casing 110, on the outer side of the second casing 310; 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 disposed on an outer side of the second sleeve 310 and a side of the first annular sealing groove 311 away from the first limiting ring 410. A sealing sleeve 460 is integrally formed at one end of the first sleeve 110 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 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 may be sleeved outside the second sleeve 310 and located inside the locking sleeve 420. When the sealing device is installed, 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 against the first sealing ring 430, the end 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 installed, the sealing sleeve 460 passes through the second sleeve 310 and is in threaded connection with the locking sleeve 420, and during connection, the inside of the sealing sleeve 460 is in abutting sealing with the first sealing ring 430, and the end portion is in abutting connection with the first annular limiting step 440, and the second annular limiting step 450 and the third annular limiting step 461 are in abutting connection with each other. The first external thread 462 and the second internal thread 511 are connected with each other to form a locking relation, a limiting supporting effect is formed by the first limiting step, the second limiting step and the third limiting step, the first sealing ring 430 is positioned in the second annular sealing groove 115 and is relatively fixed, the sealing effect of the connection with the sealing sleeve 460 is guaranteed, the position of the first sealing ring 430 is relatively stable, 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 one 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 the end close to the first sleeve 110 are provided with a limiting block 312, 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. Through the limiting groove 111 and the limiting block 312, when the connector is installed, the first sleeve 110 and the second sleeve 310 are limited by the limiting groove 111 and the limiting block 312, the positions of the first sleeve 110 and the second sleeve 310 are relatively stable, relative rotation cannot occur, and then the connection stability of the inner side contact pin 130 is guaranteed. Upon installation, the sealing sleeve 460 is attached 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 disposed on a side surface of the third limiting ring 112 close to the second sleeve 310, and an end of the second sleeve 310 abuts against the second sealing ring 470. By providing a second sealing ring 470, this location forms a second layer effective seal when installed.
A sealing gasket 480 is sleeved on the inner side of the second sealing ring 470 and 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 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 nuclear power plant connects under water.
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 one side of the fourth limiting ring 113 away from the second sleeve 310; 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, the mounting nut 150 is connected with the underwater light, and the mounting nut 150 and the underwater light can be connected in an integrated manner or in a sealing manner by other sealing methods.
The second connecting and sealing structure 500 includes a mounting ring 510, and one end of the mounting ring 510 along the axis is rotatably sleeved outside the cable gland 200 and is close to one end of the plug 300. A second internal thread 511 is tapped at 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 of the second sleeve 310, which is far away from the first sleeve 110, 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 means of a mounting ring 510.
The outer side of the cable gland 200, and the end close to the second sleeve 310 has a first sealing step 210, the end of the second sleeve 310 close to the cable gland 200 has a second sealing step 314, and a fourth sealing ring 520 is sleeved between the first sealing step 210 and the second sealing step 314. Preferably, a third sealing step 512 is formed on the inner side of the first mounting tube, a diameter of the third sealing step 512 near the end of the mounting ring 510 connected to the cable gland 200 is relatively large, a diameter of the third sealing step 512 near the end of the second internal thread 511 is relatively small, two side surfaces of the fourth sealing ring 520 respectively abut 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. The tightness of the connection of the cable gland 200 and the second sleeve 310 can be ensured by the above arrangement.
The cable gland 200 is "L" shaped. A third connecting and sealing structure 600 connected and sealed with a cable is arranged at one end, far away from the plug 300, of the cable sealing tube 200, the third connecting and 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, far away from the plug 300, of the cable sealing tube 200, and the conical sealing ring 610 is sleeved in the conical opening 220; one end of the gland nut 620 is in threaded connection with the cable gland 200, and the other end is provided with a stop ring plate 621. Through the third connection seal structure 600 who sets up, can realize the connection seal to the cable lateral wall, and then guarantee the gas tightness of cable end, guaranteed the waterproof performance of this connector.
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 orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The irradiation-resistant underwater connector is characterized by comprising a socket (100) connected with an underwater lamp and a cable sealing pipe (200) connected with a cable, wherein a plug (300) is arranged between the socket (100) and the cable sealing pipe (200); one end of the plug (300) is detachably connected with the socket (100), and a first connecting and 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 and sealing structure (500).
2. The irradiation-resistant underwater connector as claimed in claim 1, wherein the socket (100) comprises a first sleeve (110), a first insulating sealing sleeve (120) is arranged inside the first sleeve (110), a pin (130) is arranged inside the first insulating sealing sleeve (120), two ends of the pin (130) respectively penetrate through the first insulating sealing sleeve (120), one end of the pin (130) is electrically connected with an underwater lamp, and the other end of the pin is connected with the plug (300);
the plug (300) comprises a second sleeve (310), and a second insulating sealing sleeve (320) is arranged on the inner side of the second sleeve (310); a plug pipe (330) is arranged on the inner side of the second insulating sealing sleeve (320), a plug hole (331) is formed in the plug pipe (330), the plug hole (331) penetrates through two ends of the second insulating sealing sleeve (320), one end of the plug hole is detachably connected with the contact pin (130), and the other end of the plug hole is connected with a cable in the cable sealing pipe (200);
the first connection seal arrangement (400) is located between the first sleeve (110) and the second sleeve (310).
3. The connector of claim 2, wherein the first connection sealing structure (400) comprises a first limiting ring (410) arranged outside the second sleeve (310), and a locking sleeve (420) is sleeved outside the second sleeve (310);
a second limiting ring (421) is arranged at one axial end of the inner side of the locking sleeve (420), a first internal thread (422) is arranged at one end of the inner side of the locking sleeve (420) far away from the second limiting ring (421), 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 on one side surface, away from the first limiting ring (410), of the first annular sealing groove (311);
a sealing sleeve (460) is integrally formed at one end, close to the second sleeve (310), of the first sleeve (110), 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 located 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 to the first sealing ring (430), the end of the sealing sleeve (460) is abutted to the first annular limiting step (440), and the third annular limiting step (461) is abutted to the second annular limiting step (450).
4. The irradiation-resistant underwater connector as recited in claim 3, wherein 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 one 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 of the second sleeve close to the first sleeve (110) are provided with a limiting block (312), and the limiting block (312) can be embedded in the limiting groove (111) and can slide in the limiting groove (111) along the axis direction.
5. The underwater connector with radiation resistance of 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 of the second sleeve (310) abuts against the second sealing ring (470).
6. The underwater connector with radiation resistance of claim 1, characterized in that a sealing gasket (480) is sleeved on the inner side of the second sealing ring (470) and on the outer side of the insertion pin (130), one end of the sealing gasket (480) is abutted to the first insulating sealing sleeve (120), and the other end can be abutted to the second insulating sealing sleeve (320).
7. The underwater connector with radiation resistance of claim 1, wherein a fourth limit 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 limit 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.
8. The underwater connector with radiation resistance of claim 1, wherein the second connecting and sealing structure (500) comprises a mounting ring (510), one end of the mounting ring (510) along the axis is rotatably sleeved outside the cable sealing pipe (200) and is close to one end of the plug (300), and a second internal thread (511) is tapped at the inner side of the other end of the mounting ring (510);
a third external thread (313) is arranged on the outer side of one end, 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 outer side of the cable sealing pipe (200) is provided with a first sealing step (210) at one end close to the second sleeve (310), the other end of the second sleeve (310) close to the cable sealing pipe (200) is provided with a second sealing step (314), and a fourth sealing ring (520) is sleeved between the first sealing step (210) and the second sealing step (314).
9. The radiation-resistant underwater connector as recited in claim 1, wherein said cable gland (200) is "L" -shaped.
10. The irradiation-resistant underwater connector according to claim 1, wherein a third connecting 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 connecting sealing structure (600) comprises a conical sealing ring (610) and a gland 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 pipe (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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CN114069324B CN114069324B (en) 2024-01-02

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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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