CN109301563B - Watertight connector - Google Patents
Watertight connector Download PDFInfo
- Publication number
- CN109301563B CN109301563B CN201811318038.8A CN201811318038A CN109301563B CN 109301563 B CN109301563 B CN 109301563B CN 201811318038 A CN201811318038 A CN 201811318038A CN 109301563 B CN109301563 B CN 109301563B
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- China
- Prior art keywords
- socket
- cable
- copper needle
- plug
- shell
- 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.)
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- 229910052802 copper Inorganic materials 0.000 claims abstract description 112
- 239000010949 copper Substances 0.000 claims abstract description 112
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 111
- 238000007789 sealing Methods 0.000 claims abstract description 100
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004073 vulcanization Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a watertight connector, comprising: the socket comprises a socket shell, a socket copper needle, a copper needle sleeve and a socket nut, wherein the socket copper needle is inlaid in the copper needle sleeve, the copper needle sleeve is spliced in the socket shell, and the socket nut is sleeved on the outer wall of the socket shell; the plug comprises a plug shell, and is characterized by further comprising a cable locking buckle, a cable sealing sleeve and a plug copper needle, wherein the cable sealing sleeve is fixedly arranged at one end of the plug shell, the plug copper needle is embedded in the other end of the plug shell, a cable is inserted in the cable sealing sleeve, the cable penetrates through one end of the plug shell, and the cable locking buckle fixedly connects the cable with the plug shell; the socket shell and the plug shell are fixedly connected together through the compression ring, and the socket has the advantages of simple structure, reliable sealing, no vulcanization treatment, higher site implementation performance, convenient maintenance and certain universality and engineering use value.
Description
Technical Field
The invention relates to the technical field of underwater connectors, in particular to a watertight connector.
Background
In recent years, with the development of national defense industry and the continuous development of underwater resources, the development of ocean industry and ocean exploration become important development strategies in China. Other underwater devices such as sonar and ROV have been greatly developed as an important means of exploring and discovering the ocean. The underwater equipment can be used for marine resource exploration, hydrologic measurement, fish shoal detection, submarine topography survey and the like. The military sonar is one of the main technology for underwater monitoring of naval forces in various countries, and is one of the unique equipment for naval forces, and is the important equipment for implementing anti-diving, anti-mine, underwater warning, observation, reconnaissance and communication for warships, submarines and anti-diving airplanes. Almost all ships now are equipped with different forms of sonar to accommodate the needs of underwater operations.
The power supply and the related data derivation work are required to be carried out on any underwater equipment, so that the function is related to the use of the watertight connector, and the situation of the watertight connector in the underwater equipment is self-evident. Because most watertight connectors and cables are sealed in a vulcanization mode, the production period is long, and the on-site maintenance and replacement are inconvenient. Based on the above situation, the invention adopts a vulcanization-free connection mode, has simple structure, reliable sealing, greatly improved site implementation, convenient maintenance, short manufacturing period, low cost and certain universality.
Disclosure of Invention
The present invention is directed to a watertight connector to solve the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: a watertight connector comprising: the socket comprises a socket shell, a socket copper needle, a copper needle sleeve and a socket nut, wherein the socket copper needle is inlaid in the copper needle sleeve, the copper needle sleeve is spliced in the socket shell, and the socket nut is sleeved on the outer wall of the socket shell; the plug comprises a plug shell, and is characterized by further comprising a cable locking buckle, a cable sealing sleeve and a plug copper needle, wherein the cable sealing sleeve is fixedly arranged at one end of the plug shell, the plug copper needle is embedded in the other end of the plug shell, a cable is inserted in the cable sealing sleeve, the cable penetrates through one end of the plug shell, and the cable locking buckle fixedly connects the cable with the plug shell; the socket shell and the plug shell are fixedly connected together through the compression ring; the socket copper needle, the copper needle sleeve and the socket shell are fixedly connected to form a socket of the watertight connector and are fixed on equipment through socket nuts; the cable locking buckle connects and fixes the cable and the plug shell to form the plug of the watertight connector.
The socket comprises a socket shell, and is characterized by further comprising a first sealing ring, wherein the socket shell is fixed on the equipment shell, a sealing groove is formed in the socket shell, the first sealing ring is arranged in the sealing groove before the socket shell is arranged, and the socket shell and the equipment are sealed by extruding the first sealing ring.
The plug shell is provided with a radial sealing groove and an axial sealing groove respectively, the second sealing groove and the third sealing groove are sealed in the radial direction and the axial direction by extrusion, the plug and the socket are inserted in the corresponding positions according to the copper needle, the copper needle of the plug can be contacted with the copper needle of the socket, the cable and the equipment are connected in a conducting manner by the contact between the copper needle of the plug and the copper needle of the socket, and the plug and the socket are connected together by virtue of the compression ring.
The first sealing ring, the second sealing ring and the third sealing ring are made of a plastic material, and the first sealing ring, the second sealing ring and the third sealing ring are key components for equipment sealing.
The socket copper needle is a transmission medium required by conduction, and data transmission is connected with the equipment through the socket copper needle.
The copper needle sleeve is made of insulating plastic and is used for isolating and insulating the socket copper needle and is connected with the socket copper needle through threads.
The socket copper needle is embedded into the copper needle sleeve, interference fit is achieved between the socket copper needle and the copper needle sleeve, and a transmission line in the device is welded with the tail end of the socket copper needle to conduct the device with the socket copper needle.
The plug shell and the cable locking buckle are provided with grooves with corresponding taper at the matched positions of the plug shell and the cable sealing sleeve, so that the extrusion effect of the cable sealing sleeve is improved during assembly, and the contact force of the cable sealing sleeve and the contact position surface of the cable sealing sleeve is increased.
The cable locking buckle, the cable sealing sleeve, the cable and the plug shell form a part of the connector plug, the threading aperture of the cable sealing sleeve is slightly smaller than the diameter of the cable, so that the cable can be expanded when passing through the cable sealing sleeve, further the cable is tightly fastened with the plug shell through the threads of the cable locking buckle, the cable sealing sleeve is further extruded to deform, the contact force between the cable sealing sleeve and the cable contact surface is increased, and the fixation and sealing of the plug end are realized.
The plug copper needle is embedded in the copper needle sleeve, the plug copper needle sleeve and the copper needle sleeve are in interference fit, the plug copper needle sleeve is arranged at the other end of the plug shell, the cable and the tail end of the plug copper needle are welded, and the cable and the plug copper needle are communicated.
Compared with the prior art, the invention has the beneficial effects that:
the connector designed by the invention has the advantages of simple structure, reliable sealing, no vulcanization treatment, higher site implementation property, convenient maintenance and certain universality and engineering use value.
Drawings
FIG. 1 is an assembly view of a watertight connector according to the present invention;
FIG. 2 is a schematic view of the assembly of the watertight connector socket according to the present invention;
fig. 3 is an assembled schematic view of the watertight connector plug according to the present invention.
In fig. 1-3: 1-a socket housing; 2-socket copper needles; 3-copper needle sleeve; 4-socket nut; 5-a first sealing ring; 6-a second sealing ring; 7-a third sealing ring; 8-a clamp ring; 9-plug housing; 10-cable locking buckle; 11-a cable; 12-cable gland; 13-plug copper pins.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a watertight connector comprising: socket shell 1, plug shell 9, clamp ring 8, first sealing washer 5, second sealing washer 6 and third sealing washer 7.
The socket shell 1 further comprises a socket copper needle 2, a copper needle sleeve 3 and a socket nut 4, wherein the socket copper needle 2 is inlaid in the copper needle sleeve 3, the copper needle sleeve 3 is spliced in the socket shell 1, and the socket nut 4 is sleeved on the outer wall of the socket shell 1.
The plug shell 9 further comprises a cable locking buckle 10, a cable 11, a cable sealing sleeve 12 and a plug copper needle 13, the cable sealing sleeve 12 is fixedly arranged at one end of the plug shell 9, the plug copper needle 13 is embedded in the plug shell 9, the cable 11 is inserted into the cable sealing sleeve 12, the cable 11 penetrates through one end of the plug shell 9, and the cable locking buckle 10 fixedly connects the cable 11 with the plug shell 9.
Wherein, the socket shell 1 and the plug shell 9 are fixedly connected together through a compression ring 8; the socket copper needle 2, the copper needle sleeve 3 and the socket shell 1 are fixedly connected to form a socket of the watertight connector and are fixed on equipment through a socket nut 4; the cable locking buckle 10 connects and fixes the cable 11 and the plug shell 9 to form a plug of the watertight connector.
The socket shell 1 is fixed on the equipment shell, a sealing groove is formed in the socket shell 1, a first sealing ring 5 is installed in the sealing groove before the socket shell 1 is installed, and sealing between the socket shell 1 and the equipment is achieved by extruding the first sealing ring 5.
The plug shell 9 is respectively provided with a radial seal groove and an axial seal groove, the second seal ring 6 and the third seal ring 7 are extruded to seal in the radial direction and the axial direction, the plug and the socket are oppositely inserted according to the corresponding position of the copper needle, the copper needle 13 of the plug can be contacted with the copper needle 2 of the socket, the cable 11 is connected with equipment in a conducting manner through the contact between the two, and the plug and the socket are connected together by virtue of the compression ring 8.
The first sealing ring 5, the second sealing ring 6 and the third sealing ring 7 are all made of a plastic material, and the first sealing ring 5, the second sealing ring 6 and the third sealing ring 7 are key components for equipment sealing.
The socket copper needle 2 is a transmission medium required by conduction, and data transmission is connected with equipment through the socket copper needle 2.
The copper needle sleeve 3 is made of insulating plastic and is used for isolating and insulating the socket copper needle 2 and is connected with the socket copper needle 2 through threads.
The socket copper needle 2 is embedded into the copper needle sleeve 3, interference fit is achieved between the socket copper needle 2 and the copper needle sleeve, a transmission line in the device is welded with the tail end of the socket copper needle 2, and the device is conducted with the socket copper needle 2.
Wherein, the plug shell 9 and the cable locking buckle 10 are provided with grooves with corresponding taper at the matching position with the cable sealing sleeve 12, so that the extrusion effect of the cable sealing sleeve 12 is increased during assembly, and the contact force between the cable sealing sleeve 12 and the contact position is increased.
The cable locking buckle 10, the cable sealing sleeve 12, the cable 11 and the plug shell 9 form a part of a connector plug, and the threading aperture of the cable sealing sleeve 12 is slightly smaller than the cable diameter, so that the cable 11 can be expanded when passing through the cable sealing sleeve 12, further the cable sealing sleeve 12 is compressed by fastening the cable locking buckle 10 and the plug shell 9 through threads, the cable sealing sleeve 12 is deformed, the contact force between the cable sealing sleeve 12 and the contact surface of the cable 11 is increased, and the fixation and sealing of the plug end are realized.
The plug copper needle 13 is embedded in the copper needle sleeve 3, is in interference fit with the copper needle sleeve, is arranged at the other end of the plug shell 9, and is used for welding the cable 11 with the tail end of the plug copper needle 13 and conducting the cable 11 with the plug copper needle 13.
Working principle: during the use, firstly, insert socket copper needle 2 to copper needle cover 3 in, then will be equipped with socket copper needle 2's copper needle cover 3 wholly pack into socket shell 1, open on the socket shell 1 has the seal groove, install first sealing washer 5 to in the seal groove before the installation, then realize the seal between socket shell 1 and the equipment through pressing first sealing washer 5, then insert plug copper needle 13 in copper needle cover 3, and install in the one end of plug shell 9 with plug copper needle 13's copper needle cover 3, then install cable lock buckle 10 in proper order with cable seal cover 12 and cable 11 at the other end of plug shell 9, and the threading aperture of cable seal cover 12 is slightly less than cable 11 diameter, so make cable 11 pass cable seal cover 12 can expand it tightly, and then pass through the screw thread fastening between cable lock buckle 10 and the plug shell 9, further press cable seal 12 to warp, increase cable seal cover 12 and cable seal 11 contact surface's contact force, realize the fixed and the seal of plug end, and open radial and axial direction and seal groove 6 respectively on plug shell 9, when can carry out the connection with the copper needle 2 in the radial direction and the plug shell 9, the axial direction is pressed together with the copper needle seal groove 7, can be connected with the jack 2 in the axial direction, can be carried out with the copper seal groove and the jack seal groove, and the axial direction is can be carried out with the jack seal sleeve 2, and the jack seal needle is easy.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A watertight connector, comprising: the socket comprises a socket shell (1), wherein the socket shell (1) further comprises a socket copper needle (2), a copper needle sleeve (3) and a socket nut (4), the socket copper needle (2) is inlaid in the copper needle sleeve (3), the copper needle sleeve (3) is spliced in the socket shell (1), and the socket nut (4) is sleeved on the outer wall of the socket shell (1); the plug comprises a plug shell (9), wherein the plug shell (9) further comprises a cable locking buckle (10), a cable (11), a cable sealing sleeve (12) and a plug copper needle (13), the cable sealing sleeve (12) is fixedly arranged at one end of the plug shell (9), the plug copper needle (13) is inlaid in the other end of the plug shell (9), the cable (11) is spliced in the cable sealing sleeve (12), the cable (11) penetrates through one end of the plug shell (9), and the cable locking buckle (10) fixedly connects the cable (11) with the plug shell (9); the socket shell (1) and the plug shell (9) are fixedly connected together through the clamp ring (8); the socket copper needle (2), the copper needle sleeve (3) and the socket shell (1) are fixedly connected to form a socket of the watertight connector, and the socket copper needle is fixed on equipment through a socket nut (4); the cable locking buckle (10) is used for connecting and fixing the cable (11) and the plug shell (9) to form a plug of the watertight connector;
the watertight connector further comprises: the socket comprises a socket shell (1), a first sealing ring (5), a second sealing ring (5) and a sealing groove, wherein the socket shell (1) is fixed on an equipment shell, the sealing groove is formed in the socket shell (1), the first sealing ring (5) is installed in the sealing groove before the socket shell (1) is installed, and the sealing between the socket shell (1) and the equipment is realized by extruding the first sealing ring (5);
the watertight connector further comprises: the plug shell (9) is respectively provided with a radial sealing groove and an axial sealing groove, the second sealing groove (6) and the third sealing groove (7) are extruded to seal in the radial direction and the axial direction, the plug and the socket are inserted according to the corresponding positions of the copper needle, the copper needle (13) of the plug can be contacted with the copper needle (2) of the socket, the cable (11) is connected with equipment in a conducting manner through the contact between the two, and the plug and the socket are connected together by virtue of the compression ring (8);
the first sealing ring (5), the second sealing ring (6) and the third sealing ring (7) are all made of a plastic material, and the first sealing ring (5), the second sealing ring (6) and the third sealing ring (7) are key components for equipment sealing;
the cable locking buckle (10), the cable sealing sleeve (12), the cable (11) and the plug shell (9) form a part of the connector plug, the plug shell (9) and the cable locking buckle (10) are provided with grooves with corresponding taper at the matched positions of the cable sealing sleeve (12), the extrusion effect of the cable sealing sleeve (12) is increased during assembly, the contact force of the cable sealing sleeve (12) and the contact position surface of the cable sealing sleeve is increased, the threading aperture of the cable sealing sleeve (12) is slightly smaller than the cable diameter, the cable (11) can be tightly expanded after passing through the cable sealing sleeve (12), the cable sealing sleeve (12) is deformed through threads, and the contact force of the cable sealing sleeve (12) and the contact surface of the cable (11) is increased, so that the fixation and sealing of the plug end are realized.
2. A watertight connector as claimed in claim 1, comprising: the socket copper needle (2) is a transmission medium required by conduction, and data transmission is connected with equipment through the socket copper needle (2).
3. A watertight connector as claimed in claim 2, comprising: the copper needle sleeve (3) is made of insulating plastic and is used for isolating and insulating the socket copper needle (2) and is connected with the socket copper needle (2) through threads.
4. A watertight connector as claimed in claim 3, comprising: the socket copper needle (2) is embedded into the copper needle sleeve (3), interference fit is achieved between the socket copper needle and the copper needle sleeve, a transmission line in the device is welded with the tail end of the socket copper needle (2), and the device is conducted with the socket copper needle (2).
5. The watertight connector of claim 4, comprising: the plug copper needle (13) is embedded in the copper needle sleeve (3), the plug copper needle and the copper needle sleeve are in interference fit, the plug copper needle sleeve is installed at the other end of the plug shell (9), the tail ends of the cable (11) and the plug copper needle (13) are welded, and the cable (11) and the plug copper needle (13) are conducted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318038.8A CN109301563B (en) | 2018-11-07 | 2018-11-07 | Watertight connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318038.8A CN109301563B (en) | 2018-11-07 | 2018-11-07 | Watertight connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109301563A CN109301563A (en) | 2019-02-01 |
| CN109301563B true CN109301563B (en) | 2024-04-12 |
Family
ID=65146044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811318038.8A Active CN109301563B (en) | 2018-11-07 | 2018-11-07 | Watertight connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109301563B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518401B (en) * | 2019-08-15 | 2024-03-08 | 苏州华旃航天电器有限公司 | Ceramic-supported mixed multi-core electric connector |
| CN110529666A (en) * | 2019-08-23 | 2019-12-03 | 上海船舶电子设备研究所(中国船舶重工集团公司第七二六研究所) | Detachable crossing cabin watertight structure |
| CN113078500B (en) * | 2019-12-17 | 2023-03-31 | 中国船舶重工集团公司第七一五研究所 | Watertight connector applied to elliptical linear array |
| CN116344244B (en) * | 2023-02-27 | 2023-10-31 | 温州新印像电气有限公司 | Waterproof switch |
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| CN102593655A (en) * | 2012-03-22 | 2012-07-18 | 上海航天科工电器研究院有限公司 | Electric connector sealing structure |
| CN103227383A (en) * | 2013-04-10 | 2013-07-31 | 镇江惠通元二接插件有限公司 | Watertight connector |
| CN204011945U (en) * | 2014-08-27 | 2014-12-10 | 中煤科工集团重庆研究院有限公司 | Mining waterproof sealing cable connector |
| CN205067801U (en) * | 2015-10-12 | 2016-03-02 | 中国电子科技集团公司第二十三研究所 | Vertical watertight fiber connector |
| CN106961043A (en) * | 2017-03-16 | 2017-07-18 | 陕西格兰浮实业有限公司 | A kind of underwater cable joint sealing device |
| CN207398424U (en) * | 2017-10-18 | 2018-05-22 | 天津华宁电子有限公司 | A kind of low-voltage flameproof type cable connector |
| CN208955265U (en) * | 2018-11-07 | 2019-06-07 | 中国电子科技集团公司第三研究所 | A kind of watertight connector |
-
2018
- 2018-11-07 CN CN201811318038.8A patent/CN109301563B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593655A (en) * | 2012-03-22 | 2012-07-18 | 上海航天科工电器研究院有限公司 | Electric connector sealing structure |
| CN103227383A (en) * | 2013-04-10 | 2013-07-31 | 镇江惠通元二接插件有限公司 | Watertight connector |
| CN204011945U (en) * | 2014-08-27 | 2014-12-10 | 中煤科工集团重庆研究院有限公司 | Mining waterproof sealing cable connector |
| CN205067801U (en) * | 2015-10-12 | 2016-03-02 | 中国电子科技集团公司第二十三研究所 | Vertical watertight fiber connector |
| CN106961043A (en) * | 2017-03-16 | 2017-07-18 | 陕西格兰浮实业有限公司 | A kind of underwater cable joint sealing device |
| CN207398424U (en) * | 2017-10-18 | 2018-05-22 | 天津华宁电子有限公司 | A kind of low-voltage flameproof type cable connector |
| CN208955265U (en) * | 2018-11-07 | 2019-06-07 | 中国电子科技集团公司第三研究所 | A kind of watertight connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109301563A (en) | 2019-02-01 |
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