CN214849263U

CN214849263U - Underwater electric connector

Info

Publication number: CN214849263U
Application number: CN202120595225.1U
Authority: CN
Inventors: 胡如根; 朱鲁杰
Original assignee: Ningbo Fenghua Shenzhou Electric Connector Co ltd
Current assignee: Ningbo Fenghua Shenzhou Electric Connector Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-11-23
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses an underwater electric connector, which comprises a sub-plug and a female socket, wherein the sub-plug comprises a plug shell, a first insulating component is arranged in the plug shell, and a large jack and a plurality of small jacks are arranged in the first insulating component; the female socket comprises a socket shell, a second insulating assembly is arranged in the socket shell, a large contact pin and a plurality of small contact pins are correspondingly arranged in the second insulating assembly, the large contact pin is in plug fit with the large jack, and the small contact pins are in plug fit with the small jacks; the plug shell is fixedly connected with the socket shell through the connecting clamp cap, the rubber pad is arranged in the socket shell, and the first insulating assembly and the second insulating assembly clamp and fix the rubber pad. The utility model has the advantages of it is following and effect: the adoption sets up the mode of rubber pad between first insulation subassembly and second insulation subassembly, inserts the back that closes, has effectively blockked the air, has improved the leakproofness, can prevent that the signal interference of heavy current to contact on every side, has higher reliability, and the security is also higher.

Description

Underwater electric connector

Technical Field

The utility model relates to an electric connector articles for use field, in particular to electric connector under water.

Background

The underwater electric connector is a device commonly used in ocean engineering, faces the electric conductivity of ocean underwater liquid and the working environment of underwater pressure, and has the conventional performance of a common electric connector and the working capacity of adapting to the ocean underwater special environment, so that convenient, quick, safe and effective connection and separation are realized; however, in the existing underwater plug electric connector, the electric connecting piece can only be used for isolating the electrified cable inlet wire from the water body after the electric connecting piece is connected in place, the electrified electric connecting piece can be contacted with the water body for a period of time in the process of connecting through the water body, an electric leakage path can be formed between the electric connecting pieces with different electric potentials through the water body, and due to the fact that the internal sealing performance of the electric connecting piece is poor, corrosion can be caused, potential safety hazards exist, and the reliability is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric connector under water has the effect of high leakproofness, high security, high reliability.

The above technical purpose of the present invention can be achieved by the following technical solutions: an underwater electric connector comprises a sub-plug and a female socket, wherein the sub-plug comprises a plug shell, a first insulating assembly is arranged in the plug shell, and a large jack and a plurality of small jacks are formed in the first insulating assembly; the female socket comprises a socket shell, a second insulating assembly is arranged in the socket shell, a large contact pin and a plurality of small contact pins are correspondingly arranged in the second insulating assembly, the large contact pin is in plug fit with the large jack, and the small contact pins are in plug fit with the small jacks; the plug shell is fixedly connected with the socket shell through the connecting clamp cap, the rubber pad is arranged in the socket shell, and the first insulating assembly and the second insulating assembly clamp and fix the rubber pad.

Through adopting above-mentioned technical scheme, peg graft in female socket with the sub-plug correspondingly, and fix both mutually through the connecting card cap, when the sub-plug is pegged graft in female socket, big contact pin is pegged graft and is realized the electricity in big jack, little contact pin is pegged graft and is used for realizing signal transmission in little jack, at this moment, under the axial cramping effect of connecting card cap, make first insulation subassembly and second insulation subassembly press from both sides the rubber pad tightly, so, when the sub-plug closes the back with female socket, effective separation has the air, the leakproofness has been improved, can prevent the signal interference of heavy current to contact on every side to a certain extent, higher reliability has, and the security is also higher.

The utility model discloses a further set up to: the first insulation assembly comprises a first insulator and a second insulator, and a first potting adhesive layer is arranged between the first insulator and the second insulator.

Through adopting above-mentioned technical scheme, the setting of first encapsulating layer has obstructed the air between first insulator and the second insulator, can prevent that heavy current from to the signal interference of contact on every side.

The utility model discloses a further set up to: the second insulation assembly comprises a third insulator and a fourth insulator, and a second potting adhesive layer is arranged between the third insulator and the fourth insulator.

Through adopting above-mentioned technical scheme, the setting of second encapsulating layer has obstructed the air between third insulator and the fourth insulator, can prevent that heavy current from to the signal interference of contact on every side.

The utility model discloses a further set up to: the lateral wall of plug housing is provided with the bulge loop, and the cooperation is supported with the bulge loop to the connection card cap, and the screw hole has been seted up to the connection card cap lateral wall, and the connection card cap supports the socket casing tightly fixedly through first holding screw.

Through adopting above-mentioned technical scheme, the connection card cap supports tightly with the bulge loop to support tightly fixedly through first holding screw and socket shell, make connection between the two more firm, stable.

The utility model discloses a further set up to: a sealing gasket is arranged between the convex ring and the end surface of the socket shell.

Through adopting above-mentioned technical scheme, sealed setting up of filling up can prevent that electric connector from inserting to close the back and intaking, has higher waterproof sealing effect.

The utility model discloses a further set up to: the outer wall of the plug shell is provided with an annular caulking groove, a sealing ring is embedded in the annular caulking groove, and the outer wall of the sealing ring is in sealing fit with the inner wall of the socket shell.

Through adopting above-mentioned technical scheme, the setting of sealing washer can prevent that electric connector from inserting to close the back and intaking, has higher waterproof sealing effect.

The utility model discloses a further set up to: the outer wall of the socket shell is provided with two ring grooves, and sealing rings are correspondingly embedded in the ring grooves.

Through adopting above-mentioned technical scheme, the user is when using, installs socket shell in the mounting hole after, can play better water-proof effects.

The utility model discloses a further set up to: one end of the plug shell, which is far away from the socket shell, is fixedly connected with a cable cover through a second set screw.

The utility model discloses a further set up to: twelve small contact pins are arranged, a plurality of small contact pins are distributed at equal intervals along the circumferential direction, and twelve small jacks are correspondingly arranged.

To sum up, the utility model discloses following beneficial effect has:

1. the mode that the rubber pad is arranged between the first insulating assembly and the second insulating assembly is adopted, when the sub-plug is plugged with the female socket, air is effectively blocked, the sealing performance is improved, the signal interference of large current to surrounding contact elements can be prevented to a certain extent, the reliability is higher, and the safety is higher;

2. the first glue filling layer is arranged in the first insulator, and the second glue filling layer is arranged in the second insulator, so that air is blocked, and signal interference of large current to surrounding contact elements can be effectively prevented;

3. the mode that sets up sealed pad, set up the sealing washer between socket shell and plug housing between bulge loop and socket shell is adopted, realizes that the double pass is waterproof, has higher waterproof sealing effect.

Drawings

Fig. 1 is a sectional view of the entire structure of the embodiment.

Fig. 2 is a sectional view showing a structural relationship of the female socket in the embodiment.

Fig. 3 is a structural relationship sectional view of the sub-plug in the embodiment.

In the figure: 1. a sub-plug; 11. a plug housing; 111. an annular caulking groove; 112. a convex ring; 12. a first insulating assembly; 121. a first insulator; 122. a second insulator; 123. a first glue filling layer; 13. a large jack; 14. a small jack; 2. a female socket; 21. a socket housing; 211. a ring groove; 22. a second insulating assembly; 221. a third insulator; 222. a fourth insulator; 223. a second glue filling layer; 23. a large pin; 24. a small pin; 3. connecting a clamping cap; 31. screw holes; 32. a first set screw; 4. a rubber pad; 5. a gasket; 6. a seal ring; 7. a seal ring; 8. a cable cover; 81. a second set screw.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

An underwater electric connector is shown in fig. 1-3, and comprises a sub-plug 1 and a female socket 2, wherein the sub-plug 1 comprises a plug shell 11, a first insulating assembly 12 is arranged in the plug shell 11, and a large jack 13 and twelve small jacks 14 are arranged in the first insulating assembly 12; female socket 2 is including socket casing 21, be equipped with second insulation assembly 22 in the socket casing 21, it is provided with big contact pin 23 and twelve little contact pins 24 to correspond in the second insulation assembly 22, big contact pin 23 and the cooperation of pegging graft of big jack 13, little contact pin 24 and the cooperation of pegging graft of little jack 14, twelve little contact pins 24 distribute along circumference equidistant, through connecting 3 fixed connection of card cap between plug housing 11 and the socket casing 21, be provided with rubber pad 4 in the socket casing 21, when sub-plug 1 and female socket 2 insert the back of closing, first insulation assembly 12 and second insulation assembly 22 press from both sides tight fixedly with rubber pad 4.

As shown in fig. 2 and 3, the first insulating assembly 12 includes a first insulator 121 and a second insulator 122, and a first potting layer 123 is disposed between the first insulator 121 and the second insulator 122. The second insulating assembly 22 includes a third insulator 221 and a fourth insulator 222, a second potting layer 223 is disposed between the third insulator 221 and the fourth insulator 222, and the peripheries of the first insulator 121, the second insulator 122, the third insulator 221, the fourth insulator 222, the first potting layer 123 and the second potting layer 223 are respectively and correspondingly closely attached to the inner wall of the receptacle housing 21 or the plug housing 11. The first potting layer 123 blocks air between the first insulator 121 and the second insulator 122, and the second potting layer 223 blocks air between the third insulator 221 and the fourth insulator 222, so that signal interference of a large current to surrounding contacts can be effectively prevented.

As shown in fig. 2 and fig. 3, a convex ring 112 is disposed on a side wall of the plug housing 11, the connecting clip cap 3 is in abutting fit with the convex ring 112, a screw hole 31 is disposed on a side wall of the connecting clip cap 3, and the connecting clip cap 3 abuts against and fixes the socket housing 21 by a first set screw 32. The connecting clamping cap 3 is tightly abutted with the convex ring 112 and is tightly abutted and fixed with the socket shell 21 through the first set screw 32, so that the connection between the two is firmer and more stable. A sealing gasket 5 is arranged between the convex ring 112 and the end surface of the socket housing 21, one end of the sealing gasket 5 abuts against the end surface of the convex ring 112, and the other end of the sealing gasket 5 abuts against the end surface of the socket housing 21. The outer wall of plug housing 11 has seted up annular caulking groove 111, and the embedded sealing washer 6 that is equipped with of

annular caulking groove

111, 6 outer walls of sealing washer and socket housing 21 inner wall sealing fit. The sealing gasket 5 and the sealing ring 6 are arranged to prevent water from entering after the electric connector is plugged, so that double-channel water proofing is realized, and a higher waterproof sealing effect is achieved.

As shown in fig. 1, the outer wall of the socket housing 21 is formed with a dual-channel ring groove 211, and the sealing ring 7 is correspondingly embedded in the ring groove 211. When the socket is used, the socket shell 21 is installed in the installation hole, and a good waterproof effect can be achieved.

As shown in fig. 1, the end of the plug housing 11 away from the socket housing 21 is fixedly connected with the cable cover 8 by a second set screw 81. After the welding of the lead is finished, polyurethane glue is poured into the cable cover 8 for sealing.

The utility model discloses a basic operating principle does: the sub-plug 1 is correspondingly inserted into the female socket 2 and fixed by the connecting clamp cap 3, when the sub-plug 1 is inserted into the female socket 2, the large contact pin 23 is inserted into the large jack 13 to realize electric connection, the small contact pin 24 is inserted into the small jack 14 to realize signal transmission, at the moment, under the axial tightening action of the connecting clamp cap 3, the first insulating component 12 and the second insulating component 22 clamp the rubber pad 4 tightly, so that after the sub-plug 1 is inserted into the female socket 2, air is effectively blocked, the sealing performance is improved, the signal interference of large current to surrounding contact elements can be prevented to a certain extent, the reliability is higher, and the safety is also higher.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides an electric connector under water, is including sub-plug (1) and female socket (2), its characterized in that: the sub-plug (1) comprises a plug shell (11), a first insulating assembly (12) is arranged in the plug shell (11), and a large jack (13) and a plurality of small jacks (14) are arranged in the first insulating assembly (12); the female socket (2) comprises a socket shell (21), a second insulating assembly (22) is arranged in the socket shell (21), a large contact pin (23) and a plurality of small contact pins (24) are correspondingly arranged in the second insulating assembly (22), the large contact pin (23) is in plug fit with the large jack (13), and the small contact pins (24) are in plug fit with the small jacks (14); the plug shell (11) and the socket shell (21) are fixedly connected through a connecting clamping cap (3), a rubber pad (4) is arranged in the socket shell (21), and the rubber pad (4) is clamped and fixed by the first insulating assembly (12) and the second insulating assembly (22).

2. An underwater electrical connector as in claim 1 wherein: the first insulating assembly (12) comprises a first insulator (121) and a second insulator (122), and a first potting adhesive layer (123) is arranged between the first insulator (121) and the second insulator (122).

3. An underwater electrical connector as in claim 1 wherein: the second insulation assembly (22) comprises a third insulator (221) and a fourth insulator (222), and a second potting adhesive layer (223) is arranged between the third insulator (221) and the fourth insulator (222).

4. An underwater electrical connector as in claim 1 wherein: the side wall of the plug shell (11) is provided with a convex ring (112), the connecting clamp cap (3) is matched with the convex ring (112) in a propping mode, the side wall of the connecting clamp cap (3) is provided with a screw hole (31), and the connecting clamp cap (3) is propped against and fixed on the socket shell (21) through a first set screw (32).

5. An underwater electrical connector as in claim 4 wherein: and a sealing gasket (5) is arranged between the convex ring (112) and the end surface of the socket shell (21).

6. An underwater electrical connector as in claim 1 wherein: annular caulking groove (111) have been seted up to the outer wall of plug housing (11), embedded sealing washer (6) that are equipped with of annular caulking groove (111), sealing washer (6) outer wall with socket casing (21) inner wall is sealed to be cooperated.

7. An underwater electrical connector as in claim 1 wherein: two ring grooves (211) have been seted up to socket casing (21) outer wall, ring groove (211) are interior to correspond to be inlayed and are equipped with sealing ring (7).

8. An underwater electrical connector as in claim 1 wherein: one end, far away from the socket shell (21), of the plug shell (11) is fixedly connected with a cable cover (8) through a second set screw (81).

9. An underwater electrical connector as in claim 1 wherein: twelve small pins (24) are arranged, a plurality of small pins (24) are distributed along the circumferential direction at equal intervals, and twelve small jacks (14) are correspondingly arranged.