CN210350276U

CN210350276U - Miniature watertight connector

Info

Publication number: CN210350276U
Application number: CN201921786326.6U
Authority: CN
Inventors: 王宪成
Original assignee: Langfang Ocean Sailing Technology Co Ltd
Current assignee: Langfang Ocean Sailing Technology Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-04-17
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a miniature watertight connector belongs to watertight connector device technical field. The miniature watertight connector comprises a plug and a socket which are fixedly connected through a locking cap, the socket comprises a fixing seat, one end of the fixing seat is provided with a jack and a positioning hole, the other end of the fixing seat is provided with a cable, and a conductor in the cable is connected with the jack through a gold-plated layer. The outside cover of fixing base is equipped with the locking cap, and the locking cap rotates with the fixing base to be connected, is provided with the internal thread on the other end internal surface of locking cap. The plug includes the shell, and the one end of shell is inside to be filled has sealed material, and the other end is inside to be provided with the mount pad, and the one end of mount pad is provided with phosphorus copper terminal and the pilot pin that looks adaptation respectively with jack and locating hole, and the one end that phosphorus copper terminal inserted the mount pad is connected with the wire. External threads are arranged on the outer surfaces of the two ends of the shell. The utility model adopts the above structure miniature watertight connector can solve miniature watertight connector insecure, the inconvenient problem of pegging graft.

Description

Miniature watertight connector

Technical Field

The utility model belongs to the technical field of watertight connector device technique and specifically relates to a miniature watertight connector is related to.

Background

In communication engineering of sea surface ships and underwater detection systems, such as sonar, hydrophone, underwater robots and the like, watertight connectors are always key components for signal connection between the inside and the outside of the ships. The watertight connector is widely applied to the occasions of ship projects, underwater instruments, under-sea mining equipment, deep well probes, underwater remote-controlled robots, submarines, light and heavy torpedoes, torpedo launching tubes, ship-towed sonar, underwater acoustic devices and the like, and the application range covers the connection of watertight junction boxes and cables in underwater ship signal transmission, ocean exploration, diving operation, underwater acoustic devices and the like. The watertight connector works under deep water, requires the watertight connector to have good sealing performance and connection strength, and needs to have the characteristics of convenience in installation and maintenance. The diameter of the miniature watertight connector is small, the connection between the plug and the socket is not firm, and the plug and the socket are easy to fall off during deep water operation, so that the normal use of equipment is influenced. In addition, a plurality of terminals which are arranged in disorder are arranged on the plug of the watertight connector, the terminals need to be inserted into the jacks on the socket, the terminals are not easy to correspond to the jacks, and the plug is inconvenient to be inserted into the socket.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a miniature watertight connector solves miniature watertight connector and connects insecure, pegs graft inconvenient problem.

In order to achieve the purpose, the utility model provides a miniature watertight connector, which comprises a plug and a socket which are fixedly connected through a locking cap, wherein the socket comprises a fixed seat, one end of the fixed seat is provided with a jack and a positioning hole, the jack is of a blind hole structure, the bottom of the jack is provided with a gold-plated layer, the other end of the fixed seat is provided with a cable, the cable is positioned inside the fixed seat, and a conductor in the cable is connected with the jack through the gold-plated layer; a locking cap is sleeved outside the fixed seat and is rotatably connected with the fixed seat, one end of the locking cap is provided with a folded edge, a limiting table which has a limiting effect on the locking cap is arranged on the outer surface of the fixed seat, and an internal thread is arranged on the inner surface of the other end of the locking cap;

the plug comprises a shell, a sealing material is filled in one end of the shell, an installation seat is arranged in the other end of the shell, a phosphor copper terminal and a positioning pin which are respectively matched with the jack and the positioning hole are arranged at one end of the installation seat, an insulation sleeve is coated outside the phosphor copper terminal, one end of the phosphor copper terminal, which is inserted into the installation seat, is connected with a lead, and the lead penetrates through the installation seat and the sealing material and penetrates out of one end of the shell; external threads are arranged on the outer surfaces of the two ends of the shell.

Furthermore, the rectangular external thread on the outer surface of one end of the shell close to the phosphor copper terminal is matched with the internal thread on the inner surface of the locking cap.

Furthermore, a gold plating layer is arranged on the outer surface of the phosphorus copper terminal, and the gold plating layer is positioned between the phosphorus copper terminal and the insulating sleeve.

Furthermore, a plurality of annular bosses are arranged on the inner surface of the jack, and the diameters of the bosses are not larger than the diameter of the insulating sleeve.

Furthermore, a plurality of annular convex blocks for increasing the contact area are arranged on the inner surface of the shell, which is in contact with the sealing material.

Further, the shell is of a step-shaped structure, a groove is formed in the step surface of the shell, and an O-shaped sealing ring is clamped in the groove.

Furthermore, the outer surface of one end of the locking cap provided with the internal thread is provided with anti-skid grains.

A miniature watertight connector, be provided with the pilot pin on the plug, the pilot pin has the effect of location, makes things convenient for the phosphorus copper terminal to insert in the jack that corresponds. After the phosphorus copper terminal is inserted into the jack, the plug and the socket are connected through the locking cap, and the connection strength between the plug and the socket is improved.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic view of a socket structure of an embodiment of a miniature watertight connector according to the present invention;

FIG. 2 is a schematic diagram of a plug structure of an embodiment of the miniature watertight connector according to the present invention;

fig. 3 is a schematic view of a locking cap according to an embodiment of the present invention.

Reference numerals

1. A fixed seat; 2. a cable; 3. a jack; 4. plating a gold layer; 5. positioning holes; 6. a locking cap; 7. a limiting table; 8. folding edges; 9. a conductor; 10. a boss; 11. a housing; 12. a mounting seat; 13. sealing materials; 14. a phosphor copper terminal; 15. an insulating sleeve; 16. a positioning pin; 17. a wire; 18. a bump; 19. and (5) sealing rings.

Detailed Description

Examples

Fig. 1 is the socket structure diagram of the embodiment of the miniature watertight connector of the present invention, fig. 2 is the plug structure diagram of the embodiment of the miniature watertight connector of the present invention, and fig. 3 is the locking cap structure diagram of the embodiment of the miniature watertight connector of the present invention. As shown in the figure, the miniature watertight connector comprises a plug and a socket which are fixedly connected through a locking cap 6. The socket comprises a fixed seat 1, and the fixed seat 1 is formed by vulcanizing TPU polyether materials. One end of the fixing seat 1 is provided with an inserting hole 3 and a positioning hole 5, the inserting hole 3 is of a blind hole structure, and the bottom of the inserting hole 3 is provided with a gold-plated layer 4. The other end of fixing base 1 is provided with cable 2, and cable 2 is located the inside of fixing base 1. The cable 2 is a polyether watertight cable 2, and the cable 2 is fixedly connected with the fixing seat 1 through a vulcanization process. The cable 2 is internally wrapped with a conductor 9, and the conductor 9 is a Teflon silver-plated wire. The conductor 9 is connected with the gold-plated layer 4 in a contact mode, and the conductor 9 is connected with the jack 3 through the gold-plated layer 4.

The outside cover of fixing base 1 is equipped with locking cap 6, and the internal diameter of locking cap 6 slightly is greater than the diameter of fixing base 1 for locking cap 6 can be in the outside free rotation of fixing base 1. The locking cap 6 is made of POM material. One end of the locking cap 6 is provided with a folded edge 8, an annular limiting table 7 with a limiting effect on the locking cap 6 is arranged on the outer surface of the fixing base 1, and the limiting table 7 prevents the locking cap 6 from falling off from the fixing base 1. The inner surface of the other end of the locking cap 6 is provided with a rectangular internal thread, and the outer surface is provided with anti-slip lines which facilitate the rotation of the locking cap 6.

The plug comprises a shell 11, and the shell 11 is made of 316L stainless steel materials. The shell 11 is of a step-type structure, a sealing material 13 is filled in the end, with the smaller diameter, of the shell 11, and the sealing material 13 is epoxy resin. The inner surface of the shell 11 is provided with a plurality of annular projections 18, and the projections 18 can increase the contact area between the sealing material 13 and the shell 11 and increase the connection strength. The outer surface of one end of the shell 11, which is provided with the sealing material 13, is provided with external threads, and the external threads are 7/16-20 English threads and are used for being connected with a watertight junction box. A groove is formed in the stepped surface of the shell 11, a sealing ring 19 is clamped in the groove, the sealing ring 19 is a fluororubber O-shaped ring, namely the sealing ring 19 is arranged on the contact surface of the shell 11 and the watertight junction box and used for sealing the joint, and the sealing effect is improved. After the shell 11 is connected with the watertight junction box, the shell 11 is screwed on the shell 11 by nuts and gaskets, and the connection strength is improved.

The other end of the housing 11 is provided with a mounting seat 12, and the mounting seat 12 is vulcanized chloroprene rubber. One end of the mounting seat 12 is provided with phosphor copper terminals 14 and positioning pins 16 respectively matched with the jacks 3 and the positioning holes 5, the phosphor copper terminals 14 correspond to the jacks 3 on the socket one by one, and the positioning pins 16 correspond to the positioning holes 5. The number of the phosphor copper terminals 14 is set as necessary. The positioning pins 16 have a positioning function, so that the socket can be conveniently corresponding to the plug, and the phosphor-copper terminals 14 can be conveniently inserted into the corresponding jacks 3. One end of the phosphor copper terminal 14 is inserted into the inside of the mounting seat 12, and the other end is covered with an insulating cover 15. The insulating sleeve 15 and the mounting seat 12 are of an integral structure, and the insulating sleeve 15 has the function of protecting the phosphor-copper terminal 14. The outer surface of the phosphor copper terminal 14 is provided with a gold plating layer 4, and the gold plating layer 4 is located between the phosphor copper terminal 14 and the insulating sheath 15. One end of the phosphor copper terminal 14 inserted into the mounting seat 12 is connected with a lead 17, and the lead 17 penetrates through the mounting seat 12 and the sealing material 13 and penetrates out of one end of the shell 11 to be connected with the watertight junction box. The outer surface of the end of the housing 11 close to the phosphor-copper terminal 14 is provided with a rectangular external thread which is adapted to the internal thread of the locking cap 6. After the phosphor copper terminal 14 is inserted into the jack 3, the locking cap 6 is rotated, the locking cap 6 is connected with the shell 11 through rectangular threads, and the locking cap 6 is made of stainless steel, so that the connection strength between the plug and the socket is improved.

The inner surface of the jack 3 is provided with a plurality of annular bosses 10, and the diameter of each boss 10 is not larger than that of the insulating sleeve 15. The diameter of the boss 10 in this embodiment is slightly smaller than the diameter of the insulating sleeve 15, so that the insulating sleeve 15 and the jack 3 are in interference fit, and the connection strength of the plug and the socket is improved.

A miniature watertight connector can keep normal work for a long time 7000 meters under water to can carry out underwater plug and socket plug.

Therefore, the utility model adopts the above structure miniature watertight connector can solve miniature watertight connector insecure, the inconvenient problem of pegging graft.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. A miniature watertight connector, characterized in that: the socket comprises a plug and a socket which are fixedly connected through a locking cap (6), the socket comprises a fixing seat (1), one end of the fixing seat (1) is provided with an insertion hole (3) and a positioning hole (5), the insertion hole (3) is of a blind hole structure, the bottom of the insertion hole (3) is provided with a gold-plated layer (4), the other end of the fixing seat (1) is provided with a cable (2), the cable (2) is located inside the fixing seat (1), and a conductor (9) in the cable (2) is connected with the insertion hole (3) through the gold-plated layer (4); a locking cap (6) is sleeved outside the fixed seat (1), the locking cap (6) is rotatably connected with the fixed seat (1), one end of the locking cap (6) is provided with a folded edge (8), a limiting table (7) having a limiting effect on the locking cap (6) is arranged on the outer surface of the fixed seat (1), and an internal thread is arranged on the inner surface of the other end of the locking cap (6);

the plug comprises a shell (11), a sealing material (13) is filled in one end of the shell (11), a mounting seat (12) is arranged in the other end of the shell (11), a phosphor copper terminal (14) and a positioning pin (16) which are respectively matched with the jack (3) and the positioning hole (5) are arranged at one end of the mounting seat (12), an insulating sleeve (15) is coated outside the phosphor copper terminal (14), one end of the phosphor copper terminal (14) inserted into the mounting seat (12) is connected with a lead (17), and the lead (17) penetrates through the mounting seat (12) and the sealing material (13) and penetrates out of one end of the shell (11); external threads are arranged on the outer surfaces of the two ends of the shell (11).

2. A miniature watertight connector according to claim 1, wherein: the rectangular external thread on the outer surface of one end of the shell (11) close to the phosphor-copper terminal (14) is matched with the internal thread on the inner surface of the locking cap (6).

3. A miniature watertight connector according to claim 1, wherein: and a gold plating layer (4) is arranged on the outer surface of the phosphorus copper terminal (14), and the gold plating layer (4) is positioned between the phosphorus copper terminal (14) and the insulating sleeve (15).

4. A miniature watertight connector according to claim 1, wherein: a plurality of annular bosses (10) are arranged on the inner surface of the insertion hole (3), and the diameters of the bosses (10) are not larger than the diameter of the insulating sleeve (15).

5. A miniature watertight connector according to claim 1, wherein: the inner surface of the shell (11) in contact with the sealing material (13) is provided with a plurality of annular convex blocks (18) for increasing the contact area.

6. A miniature watertight connector according to claim 1, wherein: the shell (11) is of a step-shaped structure, a groove is formed in the step surface of the shell (11), and an O-shaped sealing ring (19) is clamped in the groove.

7. A miniature watertight connector according to claim 1, wherein: the locking cap (6) is provided with anti-skidding lines on the outer surface of one end of the internal thread.