CN103855515A - Misplug-preventing watertight connector - Google Patents
Misplug-preventing watertight connector Download PDFInfo
- Publication number
- CN103855515A CN103855515A CN201210524667.2A CN201210524667A CN103855515A CN 103855515 A CN103855515 A CN 103855515A CN 201210524667 A CN201210524667 A CN 201210524667A CN 103855515 A CN103855515 A CN 103855515A
- Authority
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- China
- Prior art keywords
- vulcanization
- rubber seal
- rubber
- misplug
- seal
- Prior art date
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Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 82
- 238000009413 insulation Methods 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000004073 vulcanization Methods 0.000 claims description 80
- 239000000463 material Substances 0.000 claims description 15
- 229920006351 engineering plastic Polymers 0.000 claims description 7
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 6
- 239000011354 acetal resin Substances 0.000 claims description 6
- 229920006324 polyoxymethylene Polymers 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000013040 rubber vulcanization Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
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Abstract
The invention belongs to the field of underwater connectors and particularly provides a misplug-preventing watertight connector used for transmitting electrical signals in the underwater operation process. The watertight connector is installed on underwater equipment. A socket is provided with a navy copper case, jacks and guide holes, wherein the jacks and the guide holes are formed in a first rubber vulcanization seal body. One ends of the jacks are connected with wires, the other ends of the jacks are provided with independent inner cavities, and annular protrusions are arranged in the inner cavities. A second rubber vulcanization seal body of a plug is provided with pins and guide pins. The bottom of each pin is provided with an independent rubber insulation bar. One ends of the pins are connected with wires in cables, and the other ends of the pins are inserted into the jacks. The rubber insulation bars are inserted into the inner cavities and connected with the annular protrusions in a sealing and abutting mode. The socket and the corresponding plug can be plugged under the damp environment, and therefore the watertight connector can be used in the shallow sea and the deep sea, has the reliable sealing performance and the function of preventing misplug, and is applied to various underwater operation devices and used for transmitting the electrical signals.
Description
Technical field
The invention belongs to underwater connector field, specifically a kind of Anti-misplug watertight connector that transmits the signal of telecommunication while being applied in underwater operation.
Background technology
Along with the application of underwater robot (ROV), Underwater Vehicle (AUV) is more and more extensive, to using the requirement of connector reliability more and more higher under water.There is following problem in existing watertight connector:
1. once enter moisture or water inlet at socket and plug combination seal place, the insulation property of watertight connector can decline, and affect insulation effect, even cause failure of insulation.
2. in the time that the position of the Kong Yuzhen on socket, plug is symmetric form distribution, very easily wrong plug in installing, will cause causing short circuit phenomenon at transmission of signal once wrong plug, when serious, equipment be destroyed.
Summary of the invention
In order to solve in prior art the water inlet that sometimes occurs, enter moisture phenomenon and the seal failure, electrical insulation capability decline and the contact pin that the cause problem such as easy wrong plug while being symmetric form distribution with jack, the object of the present invention is to provide a kind of Anti-misplug watertight connector.This watertight connector can meet the demand of the plug of wetting under severe situation, has more Anti-misplug function, and ensures sealing effectiveness and electrical insulation capability requirement.
The object of the invention is to be achieved through the following technical solutions:
The present invention includes socket and plug, one end of described socket is arranged on underwater installation, and the other end and plug are tightly connected;
Described socket comprises housing, the first vulcanization of rubber seal and external screw thread lock nut, its middle shell is arranged on underwater operation equipment, described the first vulcanization of rubber seal is connected with housing seal, on this first vulcanization of rubber seal, is provided with vertically pilot hole and multiple inner chamber; In described housing, be provided with the insulation positioning support bracer being connected with the first vulcanization of rubber seal, and be cast with seal in the housing of the insulation positioning support bracer other end; The jack that connects wire is all installed in each inner chamber, and the wire on each jack is passed by insulation positioning support bracer and described seal successively; Described external screw thread lock nut covers in the periphery of the first vulcanization of rubber seal outward, and is connected with described the first vulcanization of rubber seal;
Described plug comprises contact pin, the second vulcanization of rubber seal, internal thread locking nut and guide finger, this internal thread locking nut covers in the periphery of the second vulcanization of rubber seal outward, one end is connected with the second vulcanization of rubber seal, and the other end is threaded with described external screw thread lock nut; On the second vulcanization of rubber seal, be provided with guide finger and the contact pin identical with described inner chamber quantity, one end of each contact pin is embedded in the second vulcanization of rubber seal and is connected with the wire being connected in the cable of the second vulcanization of rubber seal, and the other end of each contact pin exposes to the second vulcanization of rubber seal outward and be corresponding with described jack; One end of described guide finger is embedded in the second vulcanization of rubber seal, and it is outer and corresponding with described pilot hole that the other end exposes to the second vulcanization of rubber seal; Described the second vulcanization of rubber seal is extended with the rubber-covered rod being wrapped in outside contact pin vertically, and this rubber-covered rod is corresponding with described inner chamber.
Wherein: on the inwall of each inner chamber, be evenly equipped with vertically multiple annular protrusions, each annular protrusion is for radially to projecting inward; Described rubber-covered rod is positioned at inner chamber, seals butt with each annular protrusion; Described pilot hole is the unthreaded hole of independently axially offering along the first vulcanization of rubber seal, and quantity is one; Described guide finger is cylinder independently, smooth outer surface, and quantity is one; Described guide finger inserts in pilot hole in the time of plug and socket grafting, avoids plug and socket wrong plug; The material of described housing is naval's copper, and its one end is provided with external screw thread, is threaded with underwater operation equipment, and the other end of housing and described the first vulcanization of rubber seal are bonded as one; In described housing, have vertically through hole, insulation positioning support bracer is positioned at one end of this through hole, and one end and first vulcanization of rubber seal of insulation positioning support bracer are bonded as one; The described seal that is positioned at the insulation positioning support bracer other end is engineering plastics seal; The contact-making surface of described housing and underwater operation equipment has annular groove, is equipped with O RunddichtringO in this annular groove; One end of described the first vulcanization of rubber seal is bonded as one with insulation positioning support bracer, and the other end is provided with independently pilot hole and a multiple inner chamber vertically, and each inner chamber is blind hole structure; The outer surface of described jack and the inwall of inner chamber are bonding, and jack is provided with blind hole near one end of insulation positioning support bracer, the inwall welding of described wire and this blind hole; The material of described jack is beryllium-bronze, and the inner surface of jack is gold-plated; The material of described external screw thread lock nut is acetal resin, and its one end is connected with the first vulcanization of rubber seal by jump ring, and the other end is provided with external screw thread; One end of described the second vulcanization of rubber seal is connected with cable, and the other end stretches out vertically and forms rubber-covered rod, and the other end of described contact pin is passed by rubber-covered rod; The material of described contact pin is naval's copper, surface gold-plating, and one end of contact pin and described the second vulcanization of rubber seal are bonding, and this end is provided with blind hole, the wire in described cable and the welding of this blind hole inwall, the other end of described contact pin inserts in jack; The material of described internal thread locking nut is acetal resin, and its one end is connected with the second vulcanization of rubber seal by jump ring, and the other end is provided with internal thread, is threaded with described external screw thread lock nut; Described the first vulcanization of rubber seal and the second vulcanization of rubber seal sealing butt.
Advantage of the present invention and good effect are:
1. applicability is strong.The present invention has realized under humid zone water environment and having plugged, can under severe sea condition, meet underwater sealing effect, the naval's copper adopting and vulcanized rubber physical efficiency seawater corrosion resistance, in shallow sea, deep-sea all can apply, be adapted at the upper signal of telecommunication that transmits of equipment (as ROV, AUV) that various underwater operations are used, underwater sealing reliability is high.
2. Anti-misplug performance is good.Pilot hole in the present invention in the first vulcanization of rubber seal of socket combines with the guide finger on the second vulcanization of rubber seal, has played the phenomenon that prevents from occurring in installation process wrong plug.
3. hermetically-sealed construction is good.Annular small embossment in the each inner chamber of jack front end in the first vulcanization of rubber seal in socket of the present invention has accomplished with the each rubber-covered rod on contact pin rear end on the second vulcanization of rubber seal of plug the sealing effectiveness independently combining, even if enter moisture or water droplet, do not affect insulation property, thereby reached the effect of overall axial seal yet.
4. the present invention can meet 0~8000 meter of underwater operation, insulation resistance >=300M Ω~500M Ω, and contact resistance < 0.01 Ω, plug number of times is >=500 times.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of socket of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the internal structure schematic diagram of plug of the present invention;
Fig. 4 is the left view of Fig. 3;
Wherein: 9 is pilot hole, 10 is inner chamber, and 11 is the first vulcanization of rubber seal, 12 is annular protrusion, and 13 is jack, and 14 is external screw thread lock nut, 15 is jump ring, and 16 is insulation positioning support bracer, and 17 is O RunddichtringO, 18 is housing, and 19 is engineering plastics seal, and 20 is wire, 21 is contact pin, and 22 is rubber-covered rod, and 23 is the second vulcanization of rubber seal, 24 is internal thread locking nut, and 25 is cable, and 26 is guide finger.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Watertight connector of the present invention comprises socket and plug, and one end of socket is arranged on the sealed compartment of underwater installation, and the other end of plug insertion socket plays the effect of axial seal, and socket and plug prevents from getting loose by being threaded of lock nut.
As shown in Figure 1 and Figure 2, socket comprises pilot hole 9, housing 18, the first vulcanization of rubber seal 11, jack 13, external screw thread lock nut 14, jump ring 15, insulation positioning support bracer 16 and engineering plastics seal 19, the material of its middle shell 18 is naval's copper, its one end is provided with external screw thread, combines with the internal thread of underwater operation equipment sealed compartment, and housing 18 has annular groove with the contact-making surface of underwater operation equipment sealed compartment, in this annular groove, be equipped with O RunddichtringO 17, socket plays the effect of radial seal after being combined with sealed compartment; One end of the other end of housing 18 and the first vulcanization of rubber seal 11 is bonded as one.In housing 18, have vertically through hole, insulation positioning support bracer 16 is set in one end of this through hole, and one end of insulation positioning support bracer 16 and one end of the first vulcanization of rubber seal 11 are bonded as one.
One end of the first vulcanization of rubber seal 11 bonds together with one end of insulation positioning support bracer 16 and housing 18 respectively, it is six core watertight connectors that the other end is provided with multiple inner chamber 10(the present embodiment vertically, inner chamber 10 has six) and a pilot hole 9 independently, each inner chamber 10 is blind hole structure; The interior jack 13 that is all provided with of each inner chamber 10, the material of jack 13 is beryllium-bronze, the inner surface of jack 13 is gold-plated, the inwall of the outer surface of jack 13 and inner chamber 10 is bonding, after sulfuration and inner chamber 10 become one, jack 13 is provided with blind hole near one end of insulation positioning support bracer 16, and the blind hole inwall of each jack 13 is welded with respectively wire 20; On insulation positioning support bracer 16, have eight through holes for conducting wire 20, after jack 13 welds with wire 20, wire 20 is through the through hole on insulation positioning support bracer 16; In the housing 18 of insulation positioning support bracer 16 other ends, be cast with engineering plastics seal 19.Jack 13 is contained in the first vulcanization of rubber seal 11, and each jack 13 front ends all have independently inner chamber 10, are evenly equipped with vertically multiple annular protrusions 12 on the inwall of each inner chamber 10, and each annular protrusion 12 is for radially to projecting inward.The unthreaded hole of pilot hole 9 for axially offering along the first vulcanization of rubber seal 11 independently, does not have annular protrusion in pilot hole.
The material of external screw thread lock nut 14 is acetal resin (engineering plastics), its outer periphery that covers in the first vulcanization of rubber seal 11, and external screw thread lock nut 14 one end are connected with the first vulcanization of rubber seal 11 by jump ring 15, and the other end is provided with external screw thread.
As shown in Figure 3, Figure 4, plug comprises contact pin 21, the second vulcanization of rubber seal 23, internal thread locking nut 24 and guide finger 26, wherein one end of the second vulcanization of rubber seal 23 is embedded with cable 25, the other end stretches out vertically and forms the rubber-covered rod 22 equating with inner chamber 10 quantity, and this rubber-covered rod 22 is corresponding with inner chamber 10.Independently guide finger 26 of the other end of the second vulcanization of rubber seal 23 is distributed with multiple (the present embodiment is six) contact pins 21 and one, the material of contact pin 21 is naval's copper, surface gold-plating, one end of each contact pin 21 and the second vulcanization of rubber seal 23 are bonding, and this end is provided with blind hole, wire in cable 25 and the welding of this blind hole inwall, the other end of contact pin 21 is passed by rubber-covered rod 22, exposes to the second vulcanization of rubber seal 23 outer and corresponding with jack 13.Guide finger 26 is cylinder independently, smooth outer surface, one end of guide finger 26 and the second vulcanization of rubber seal 23 are bonding, and the other end is corresponding with the pilot hole 9 on the first vulcanization of rubber seal 11, and insert in pilot hole 9 in the time of plug and socket grafting, to prevent wrong plug.
The material of internal thread locking nut 24 is acetal resin (engineering plastics), its one end is connected with the second vulcanization of rubber seal 23 by jump ring 15, the other end is provided with internal thread, is threaded with external screw thread lock nut 14, plug combines with the external screw thread lock nut 14 of socket by internal thread locking nut 24, gets loose preventing.
The first vulcanization of rubber seal 11 of the present invention and the second vulcanization of rubber seal 23 adopt respectively the neoprene (being called for short CR) of sea water resistance.
Operation principle of the present invention is:
The present invention in use, is arranged on socket the corresponding position of sealed compartment of underwater operation first on land, and wherein the O RunddichtringO 17 and sealed compartment close contact on naval's copper shell 18, plays the effect of radial seal; Afterwards, the guide finger on plug 26 is inserted to the pilot hole 9 in socket, play and prevent wrong plug; Contact pin 21 on the second vulcanization of rubber seal 23 is inserted in the jack 13 of the first vulcanization of rubber seal 11 simultaneously, and rubber-covered rod 22 inserts in inner chamber 10, seals butt, the end face seal butt of the end face of the other end of the first vulcanization of rubber seal 11 and second vulcanization of rubber seal 23 other ends with annular protrusion 12; Then tighten external screw thread lock nut 14 and internal thread locking nut 24.Rubber-covered rod 22 inserts inner chambers 10, seal butt with annular protrusion 12 can play independently axial seal, and the internal thread locking nut 24 on plug is connected with the external screw thread lock nut 14 on socket, with the phenomenon that prevents from getting loose.
The present invention is installed on underwater sealing cabin, for being connected of sealed compartment and cable, is suitable for 0~8000 meter of underwater operation, insulation resistance >=300M Ω~500M Ω, and contact resistance < 0.01 Ω, plug number of times is 500 times.There is mechanical strength high, the features such as good seal performance and Anti-misplug performance, the plug of wetting under wet environment, meets the instructions for use under severe sea condition.
Claims (10)
1. an Anti-misplug watertight connector, comprises socket and plug, and one end of described socket is arranged on underwater installation, and the other end and plug are tightly connected; It is characterized in that:
Described socket comprises housing (18), the first vulcanization of rubber seal (11) and external screw thread lock nut (14), its middle shell (18) is arranged on underwater operation equipment, described the first vulcanization of rubber seal (11) is tightly connected with housing (18), is provided with vertically pilot hole (9) and multiple inner chamber (10) on this first vulcanization of rubber seal (11); In described housing (18), be provided with the insulation positioning support bracer (16) being connected with the first vulcanization of rubber seal (11), and be cast with seal in the housing (18) of insulation positioning support bracer (16) other end; The jack (13) that connects wire (20) is all installed in each inner chamber (10), and the wire (20) on each jack (13) is passed by insulation positioning support bracer (16) and described seal successively; The outer periphery that covers in the first vulcanization of rubber seal (11) of described external screw thread lock nut (14), and be connected with described the first vulcanization of rubber seal (11);
Described plug comprises contact pin (21), the second vulcanization of rubber seal (23), internal thread locking nut (24) and guide finger (26), the outer periphery that covers in the second vulcanization of rubber seal (23) of this internal thread locking nut (24), one end is connected with the second vulcanization of rubber seal (23), and the other end is threaded with described external screw thread lock nut (14); On the second vulcanization of rubber seal (23), be provided with guide finger (26) and the contact pin (21) identical with described inner chamber (10) quantity, one end of each contact pin (21) is embedded in the second vulcanization of rubber seal (23) and the wire interior with the cable (25) that is connected in the second vulcanization of rubber seal (23) is connected, and it is outer and corresponding with described jack (13) that the other end of each contact pin (21) exposes to the second vulcanization of rubber seal (23); One end of described guide finger (26) is embedded in the second vulcanization of rubber seal (23), and it is outer and corresponding with described pilot hole (9) that the other end exposes to the second vulcanization of rubber seal (23); Described the second vulcanization of rubber seal (23) is extended with vertically and is wrapped in the outer rubber-covered rod (22) of contact pin (21), and this rubber-covered rod (22) is corresponding with described inner chamber (10).
2. by Anti-misplug watertight connector claimed in claim 1, it is characterized in that: on the inwall of each inner chamber (10), be evenly equipped with vertically multiple annular protrusions (12), each annular protrusion (12) is for radially to projecting inward; Described rubber-covered rod (22) is positioned at inner chamber (10), seals butt with each annular protrusion (12).
3. by Anti-misplug watertight connector claimed in claim 1, it is characterized in that: the unthreaded hole of described pilot hole (9) for independently axially offering along the first vulcanization of rubber seal (11), quantity is one; Described guide finger (26) is cylinder independently, smooth outer surface, and quantity is one; Described guide finger (26) inserts in pilot hole (9) in the time of plug and socket grafting, avoids plug and socket wrong plug.
4. by the Anti-misplug watertight connector described in claim 1,2 or 3, it is characterized in that: the material of described housing (18) is naval's copper, its one end is provided with external screw thread, is threaded with underwater operation equipment, and the other end of housing (18) and described the first vulcanization of rubber seal (11) are bonded as one; Described housing has through hole in (18) vertically, and insulation positioning support bracer (16) is positioned at one end of this through hole, and one end and first vulcanization of rubber seal (11) of insulation positioning support bracer (16) are bonded as one; The described seal that is positioned at insulation positioning support bracer (16) other end is engineering plastics seal (19); Described housing (18) has annular groove with the contact-making surface of underwater operation equipment, is equipped with O RunddichtringO (17) in this annular groove.
5. by the Anti-misplug watertight connector described in claim 1,2 or 3, it is characterized in that: one end of described the first vulcanization of rubber seal (11) is bonded as one with insulation positioning support bracer (16), the other end is provided with independently pilot hole (9) and a multiple inner chamber (10) vertically, and each inner chamber (10) is blind hole structure; The inwall of the outer surface of described jack (13) and inner chamber (10) is bonding, and jack (13) is provided with blind hole near one end of insulation positioning support bracer (16), and described wire (20) welds with the inwall of this blind hole.
6. by Anti-misplug watertight connector claimed in claim 5, it is characterized in that: the material of described jack (13) is beryllium-bronze, the inner surface of jack (13) is gold-plated.
7. by the Anti-misplug watertight connector described in claim 1,2 or 3, it is characterized in that: the material of described external screw thread lock nut (14) is acetal resin, its one end is connected with the first vulcanization of rubber seal (11) by jump ring (15), and the other end is provided with external screw thread.
8. by the Anti-misplug watertight connector described in claim 1,2 or 3, it is characterized in that: one end of described the second vulcanization of rubber seal (23) is connected with cable (25), the other end stretches out vertically and forms rubber-covered rod (22), and the other end of described contact pin (21) is passed by rubber-covered rod (22).
9. by the Anti-misplug watertight connector described in claim 1,2 or 3, it is characterized in that: the material of described contact pin (21) is naval's copper, surface gold-plating, one end of contact pin (21) and described the second vulcanization of rubber seal (23) are bonding, and this end is provided with blind hole, wire in described cable (25) and the welding of this blind hole inwall, the other end of described contact pin (21) inserts in jack (13).
10. by the Anti-misplug watertight connector described in claim 1,2 or 3, it is characterized in that: the material of described internal thread locking nut (24) is acetal resin, its one end is connected with the second vulcanization of rubber seal (23) by jump ring (15), and the other end is provided with internal thread, is threaded with described external screw thread lock nut (14); Described the first vulcanization of rubber seal (11) and the second vulcanization of rubber seal (23) sealing butt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210524667.2A CN103855515B (en) | 2012-12-07 | 2012-12-07 | Misplug-preventing watertight connector |
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CN201210524667.2A CN103855515B (en) | 2012-12-07 | 2012-12-07 | Misplug-preventing watertight connector |
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CN103855515A true CN103855515A (en) | 2014-06-11 |
CN103855515B CN103855515B (en) | 2017-02-08 |
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CN201210524667.2A Expired - Fee Related CN103855515B (en) | 2012-12-07 | 2012-12-07 | Misplug-preventing watertight connector |
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Cited By (6)
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CN107070064A (en) * | 2016-10-27 | 2017-08-18 | 中国人民解放军海军工程大学 | The rubber double sealing structure of submersible machine cable |
CN107834283A (en) * | 2017-11-29 | 2018-03-23 | 浙江中杭电子有限公司 | The sealing structure of plug, socket and underwater electrical connector |
CN108270133A (en) * | 2016-12-29 | 2018-07-10 | 中国科学院沈阳自动化研究所 | One kind divides valve watertight connector |
CN108400457A (en) * | 2018-02-09 | 2018-08-14 | 广东欧珀移动通信有限公司 | Electronic equipment and its circuit board assemblies |
CN109921232A (en) * | 2017-12-13 | 2019-06-21 | 中国科学院沈阳自动化研究所 | A kind of underwater pluggable mechanism |
CN111474504A (en) * | 2020-04-29 | 2020-07-31 | 中车青岛四方机车车辆股份有限公司 | Connector female pin reed detection male pin and detection device comprising same |
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CN107070064A (en) * | 2016-10-27 | 2017-08-18 | 中国人民解放军海军工程大学 | The rubber double sealing structure of submersible machine cable |
CN107070064B (en) * | 2016-10-27 | 2023-11-24 | 中国人民解放军海军工程大学 | Rubber double-sealing structure of underwater motor cable |
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CN107834283A (en) * | 2017-11-29 | 2018-03-23 | 浙江中杭电子有限公司 | The sealing structure of plug, socket and underwater electrical connector |
CN109921232A (en) * | 2017-12-13 | 2019-06-21 | 中国科学院沈阳自动化研究所 | A kind of underwater pluggable mechanism |
CN108400457A (en) * | 2018-02-09 | 2018-08-14 | 广东欧珀移动通信有限公司 | Electronic equipment and its circuit board assemblies |
CN111474504A (en) * | 2020-04-29 | 2020-07-31 | 中车青岛四方机车车辆股份有限公司 | Connector female pin reed detection male pin and detection device comprising same |
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