CN112803193A

CN112803193A - Photoelectric mixed watertight connector

Info

Publication number: CN112803193A
Application number: CN202110053787.8A
Authority: CN
Inventors: 周晓楠; 许练; 霍浩磊; 朱钰
Original assignee: Nanjing Quanxin Cable Technology Co Ltd
Current assignee: Nanjing Quanxin Cable Technology Co Ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-05-14

Abstract

The invention discloses a photoelectric mixed watertight connector, which comprises a plug and a socket, wherein the plug comprises a plug shell and a switching shell, a high insulator, a high insulating pressing plate and a jack contact element are arranged in the plug shell, the socket comprises a socket shell, a low insulator, a low insulating pressing plate and a contact pin contact element are arranged in the plug shell, the connector shell adopts an O-shaped ring, a packing box and a vulcanization mode to protect an internal contact element to be reliably butted under the water with the deepest depth of 6000 m, an insulating plate and the shell are fixed by adopting an epoxy adhesive bonding mode to the connector, the contact element of the connector can be butted with high precision and has a good anti-vibration function, the optical contact element configured by the connector is basically consistent with the external dimension and can be replaced randomly, a photoelectric channel is flexibly configured by the connector, a spring is configured in a jack of the optical contact element of the connector, and no spring, the single end can float when in butt joint, so that the connector has smaller insertion loss.

Description

Photoelectric mixed watertight connector

Technical Field

The invention relates to the technical field of watertight connectors, in particular to a photoelectric mixed watertight connector.

Background

With the exploration of the ocean by human beings, various submersibles, seabed observation platforms, underwater robots and the like become important means for recognizing the ocean, and a large number of watertight connectors are required for the underwater equipment. The required watertight connector has more and more specifications due to different functions of underwater equipment, particularly the photoelectric mixed watertight connector which is mainly used for sealing connection between a photoelectric composite cable and an electronic cabin in underwater observation array, port acousto-magnetic monitoring and other systems. The sea bottom pressure is strong and reaches 115MPa, the watertight connector needs to keep a sealed and stable photoelectric information transmission function under the pressure of 115MPa, the sealing requirement on the connector is high, the number and arrangement of contact pieces are not specified in a standard at present, the watertight connector has no universality, and many underwater devices need to customize the watertight connector during design, so that the design procedure is increased, and the price of the watertight connector is high.

Disclosure of Invention

The present invention is directed to a photoelectric hybrid watertight connector, so as to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the photoelectric mixed watertight connector comprises a plug and a socket, wherein the plug comprises a plug shell and an adapter shell, a high insulator is fixedly connected in the plug shell through an adhesive, a high insulating pressing plate is fixedly connected at one end of the high insulator through the adhesive, a first cavity is formed at the joint of the high insulator and the high insulating pressing plate, a snap spring is installed in the first cavity, the jack contact piece is fixed on the high insulating pressing plate through an elastic clamping claw on the snap spring, a locking nut is installed at one end of the plug shell and is rotationally connected with the plug shell, the socket comprises a socket shell, wherein a short insulator is fixedly connected in the socket shell through an adhesive, one end of the short insulator is fixedly connected with a short insulating pressing plate through the adhesive, a cavity II is formed at the joint of the short insulator and the short insulating pressing plate, a clamp spring is installed in the cavity II, and a contact pin contact piece is fixed on the short insulating pressing plate through an elastic clamping claw on the clamp spring.

As a further scheme of the invention: the jack contact is an optical jack contact or an electric jack contact, the optical jack contact and the electric jack contact have the same outer diameter and similar step positions and can be fixed on a high insulator by a clamp spring, a plurality of jacks are formed in the high insulator, and the optical jack contact and the electric jack contact can be placed in each jack at will.

As a further scheme of the invention: the smooth jack contact piece in the jack contact piece includes metal sleeve, the intraductal fixedly connected with ceramic bushing of metal sleeve, the intraductal fixedly connected with pottery contact pin of ceramic bushing, one end threaded connection has the slide pipe in the metal sleeve, and the slide pipe cup joints and installs the spring, is provided with the arch that corresponds with the spring on the slide pipe, spring one end and slide pipe fixed connection, other end fixedly connected with movable sleeve, movable sleeve and slide pipe sliding connection, the movable sleeve is provided with the fender position arch that corresponds with the elasticity jack catch of jump ring on.

As a further scheme of the invention: one side of the movable sleeve is provided with a fixed sleeve, the fixed sleeve is fixedly connected with the sliding pipe, one end of the sliding pipe is slidably connected with a crimping sleeve, and the inner side wall of one end of the crimping sleeve and one end of the outer side wall of the sliding pipe are provided with corresponding limiting bulges.

As a further scheme of the invention: the optical pin contact and the electric pin contact are fixed on a short insulator through a spring, a plurality of jacks are formed in the short insulator, and the optical pin contact and the electric pin contact can be placed in each jack at will.

As a further scheme of the invention: the plug shell is in threaded connection with the adapter shell, an O-shaped ring I is arranged between the plug shell and the adapter shell, a vulcanization seal is arranged at the joint of the plug shell and the adapter shell, and a seal groove used for reinforcing the vulcanization seal is formed in the outer walls of the plug shell and the adapter shell.

As a further scheme of the invention: one end of the switching shell is in threaded connection with a tail nut, a step corresponding to the switching shell is arranged in the tail nut, a compression washer is arranged on one side of the step of the tail nut, a packing box is arranged on one side of the compression washer, an annular bulge corresponding to the packing box is arranged in the switching shell, the packing box and the photoelectric composite cable are mutually extruded and sealed, the switching shell and the photoelectric composite cable are sealed in a vulcanization sealing mode through the packing box, and a sealing groove used for reinforcing the vulcanization sealing mode is formed in the outer wall of the tail nut.

As a further scheme of the invention: socket shell and plug housing pass through lock nut butt joint locking, are provided with spacing step on the plug housing, and spacing step both sides correspond with lock nut, socket shell respectively, are provided with O type circle II on spacing step and the socket shell contact surface, are provided with the recess that corresponds with O type circle II on the spacing step, and the plug housing outside is provided with O type circle III on II one side of O type circle, is provided with the recess that corresponds with O type circle III on the plug housing.

As a further scheme of the invention: the socket shell is in threaded connection with the equipment, an O-shaped ring IV is arranged on one side of the contact surface of the socket shell and the equipment, and a groove corresponding to the O-shaped ring IV is formed in the socket shell.

As a further scheme of the invention: the adhesive is epoxy glue.

Compared with the prior art, the invention has the beneficial effects that:

1. the connector shell adopts an O-shaped ring, a stuffing box and a vulcanization mode, so that the internal contact piece can be protected from being reliably butted under the water with the deepest depth of 6000 m;

2. the connector adopts an epoxy adhesive bonding mode to fix the insulating plate and the shell, so that the contact piece of the connector can be butted with each other at high precision, and the connector has a good anti-vibration function;

3. the external dimensions of the optical contact and the electric contact of the connector configuration are basically consistent, and the optical contact and the electric contact can be replaced randomly, so that the connector is flexibly configured with an optical-electric channel;

4. the optical contact of the connector is provided with a spring in the jack, the pin is not provided with a spring, and the single end can float when in butt joint, so that the connector has smaller insertion loss.

Drawings

FIG. 1 is a schematic view of a plug structure of a watertight connector for optical/electrical hybrid packaging.

FIG. 2 is a schematic view of a socket structure of the watertight connector for optical/electrical hybrid packaging.

Fig. 3 is a schematic view of an optical contact pin contact member in the optical-electrical hybrid watertight connector.

FIG. 4 is a schematic view showing a structure of an electric contact pin in the watertight connector for optical and electrical hybrid packaging.

Fig. 5 is a schematic view of a light jack contact member in the optical-electrical hybrid watertight connector.

FIG. 6 is a schematic view showing a structure of an electric jack contact in the watertight connector for optical and electrical hybrid.

In the figure: the plug comprises an optoelectronic composite cable 1, a vulcanization seal 2, a tail nut 3, a compression washer 4, a stuffing box 5, an adapter housing 6, a plug housing 7, a locking nut 8, a high insulation pressing plate 9, a high insulation body 10, an O-shaped ring I11, a clamp spring 12, an O-shaped ring II 13, an O-shaped ring III 14, a jack contact element 15, a socket housing 16, a pin contact element 17, an O-shaped ring IV 18, a short insulation body 19, a short insulation pressing plate 20, a seal groove 21, a step 22, an annular bulge 23, a cavity I24, a limit step 25, a cavity II 26, a metal sleeve 27, a ceramic sleeve 28, a ceramic pin 29, a sliding tube 30, a spring 31, a movable sleeve 32, a gear bulge 33, a fixed sleeve 34, a crimping sleeve 35 and a limit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in the embodiment of the invention, the photoelectric mixed-loading watertight connector comprises a plug and a switching housing 6, wherein a high insulator 10 is fixedly connected in the plug housing 7 through an adhesive, a high insulating pressure plate 9 is fixedly connected at one end of the high insulator 10 through the adhesive, the adhesive is epoxy glue, the adhesive is good in bonding stability and strong in environment tolerance, a cavity I24 is formed at the joint of the high insulator 10 and the high insulating pressure plate 9, a clamp spring 12 is installed in the cavity I24, and a jack contact piece 15 is fixed on the high insulating pressure plate 9 through an elastic claw on the clamp spring 12.

It should be noted that, in the installation process of the plug, after the high insulator 10 and the high insulation pressure plate 9 are fixedly connected through the adhesive, the snap spring 12 is installed in the cavity one 24 formed at the joint, the jack contact piece 15 is fixed on the high insulation pressure plate 9 by the elastic claw on the snap spring 12, then the high insulator 10 bonded with the high insulation pressure plate 9 and the snap spring 12 is fixedly installed in the plug housing 7 by the adhesive, the connector fixes the high insulation pressure plate 9 and the plug housing 7 by adopting the epoxy glue bonding mode, so that the connector contact piece can be butted with high precision, and the connector has a good anti-vibration function.

The jack contact element 15 is an optical jack contact element or an electric jack contact element, the optical jack contact element and the electric jack contact element have the same outer diameter and similar steps and can be fixed on the high insulator 10 by the snap spring 12, a plurality of jacks are arranged on the high insulator 10, the optical jack contact element and the electric jack contact element can be placed in each jack at will, the plug housing 7 is in threaded connection with the adapter housing 6, an O-shaped ring I11 is arranged between the plug housing 7 and the adapter housing 6, a vulcanization seal 2 is arranged at the joint of the plug housing 7 and the adapter housing 6, a seal groove 21 for reinforcing the vulcanization seal 2 is arranged on the outer walls of the plug housing 7 and the adapter housing 6, one end of the adapter housing 6 is in threaded connection with the tail nut 3, a step 22 corresponding to the adapter housing 6 is arranged in the tail nut 3, and a compression gasket 4 is, the gland washer 4 one side is provided with packing box 5, be provided with the annular arch 23 that corresponds with packing box 5 in the adapter housing 6, packing box 5 and the mutual extrusion seal of 1 of photoelectric composite cable, adapter housing 6 and photoelectric composite cable 1 are sealed through packing box 5 and

vulcanization seal

2, 3 outer walls of afterbody nut are provided with the sealed recess 21 that is used for consolidating vulcanization seal 2, lock nut 8 is installed to plug housing 7 one end, lock nut 8 rotates with plug housing 7 and is connected.

Preferably, adopt between adapter housing 6 and the plug housing 7O type circle I11, packing box 5, vulcanize 2 multiple mode composite seal for sealed effect is better, can protect inside contact to carry out reliable butt joint under the deepest 6000 meters.

The smooth jack contact element in the jack contact element 15 comprises a metal sleeve 27, a ceramic sleeve 28 is fixedly connected in the metal sleeve 27, a ceramic pin 29 is fixedly connected in the ceramic sleeve 28, a sliding pipe 30 is connected with one end of the metal sleeve 27 in a threaded manner, a spring 31 is sleeved and installed on the sliding pipe 30, a bulge corresponding to the spring 31 is arranged on the sliding pipe 31, one end of the spring 31 is fixedly connected with the sliding pipe 30, the other end of the spring 31 is fixedly connected with a movable sleeve 32, the movable sleeve 32 is slidably connected with the sliding pipe 30, a gear bulge 33 corresponding to an elastic claw of a clamp spring 12 is arranged on the movable sleeve 32, a fixed sleeve 34 is arranged on one side of the movable sleeve 32, the fixed sleeve 34 is fixedly connected with the sliding pipe 30, a crimping sleeve 35 is slidably connected with one end of the sliding pipe 30, a corresponding limiting bulge 36 is arranged on the inner side wall of, the contact pin is internally provided with no spring, and the single end can float during butt joint, so that the connector has smaller insertion loss, and the service life of the connector is prolonged.

The socket comprises a socket shell 16, wherein a short insulator 19 is fixedly connected in the socket shell 16 through an adhesive, one end of the short insulator 19 is fixedly connected with a short insulating pressing plate 20 through the adhesive, the adhesive is epoxy glue, the bonding stability is good, the environment tolerance capability is strong, a cavity II 26 is formed at the joint of the short insulator 19 and the short insulating pressing plate 20, a clamp spring 12 is installed in the cavity II 26, and a contact pin contact element 17 is fixed on the short insulating pressing plate 20 through an elastic clamping claw on the clamp spring 12.

In the installation process of the socket, firstly, after the short insulator 19 and the short insulating pressing plate 20 are fixedly connected through the adhesive, the snap spring 12 is installed in the cavity II 26 formed at the joint, the pin contact 17 is fixed on the short insulating pressing plate 20 through the elastic claw on the snap spring 12, then the adhesive is used for fixedly installing the short insulator 19 bonded with the short insulating pressing plate 20 and the snap spring 12 in the socket shell 16, and the short insulating pressing plate 20 and the socket shell 16 are fixed by the connector through the epoxy glue bonding mode, so that the contact of the connector can be butted at high precision, and the connector has a good anti-vibration function.

The contact pin contact element 17 is an optical contact pin contact element or an electric contact pin contact element, the optical contact pin contact element and the electric contact pin contact element have the same outer diameter, the steps are similar in position and can be fixed on a short insulator 19 by a snap spring 12, a plurality of jacks are formed in the short insulator 19, the optical contact pin contact element and the electric contact pin contact element can be placed in each jack at will, the optical contact element and the electric contact element configured by the connector have basically the same outer dimensions and can be replaced at will, so that the connector can be flexibly configured with a photoelectric channel, the socket shell 16 and the plug shell 7 are butted and locked by a locking nut 8, a limiting step 25 is arranged on the plug shell 7, two sides of the limiting step 25 respectively correspond to the locking nut 8 and the socket shell 16, an O-shaped ring II 13 is arranged on the contact surface of the limiting step 25 and the socket shell 16, and a groove, an O-shaped ring III 14 is arranged on one side of an O-shaped ring II 13 on the outer side of the plug shell 7, a groove corresponding to the O-shaped ring III 14 is formed in the plug shell 7, the socket shell 16 is in threaded connection with equipment, an O-shaped ring IV 18 is arranged on one side of a contact surface of the socket shell 16 and the equipment, and a groove corresponding to the O-shaped ring IV 18 is formed in the socket shell 16.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The photoelectric mixed watertight connector comprises a plug and a socket, and is characterized in that the plug comprises a plug shell (7) and a switching shell (6), a high insulator (10) is fixedly connected in the plug shell (7) through an adhesive, one end of the high insulator (10) is fixedly connected with a high insulating pressing plate (9) through the adhesive, a cavity I (24) is formed at the joint of the high insulator (10) and the high insulating pressing plate (9), a clamp spring (12) is installed in the cavity I (24), a jack contact element (15) is fixed on the high insulating pressing plate (9) through an elastic clamping claw on the clamp spring (12), a locking nut (8) is installed at one end of the plug shell (7), the locking nut (8) is rotatably connected with the plug shell (7), the socket comprises a socket shell (16), and a short insulator (19) is fixedly connected in the socket shell (16) through the adhesive, one end of the short insulator (19) is fixedly connected with a short insulating pressing plate (20) through an adhesive, a cavity II (26) is formed at the joint of the short insulator (19) and the short insulating pressing plate (20), a clamp spring (12) is installed in the cavity II (26), and the contact pin contact piece (17) is fixed on the short insulating pressing plate (20) through an elastic clamping claw on the clamp spring (12).

2. The watertight connector for photoelectric mixed loading according to claim 1, wherein the jack contact member (15) is an optical jack contact member or an electrical jack contact member, the optical jack contact member and the electrical jack contact member have the same outer diameter and similar step positions, and can be fixed on the high insulator (10) by the snap spring (12), the high insulator (10) is provided with a plurality of jacks, and the optical jack contact member and the electrical jack contact member can be freely placed in each jack.

3. The photoelectric mixed watertight connector according to claim 2, wherein the optical jack contact in the jack contact (15) comprises a metal sleeve (27), a ceramic sleeve (28) is fixedly connected in the metal sleeve (27), a ceramic pin (29) is fixedly connected in the ceramic sleeve (28), a sliding tube (30) is in threaded connection with one end in the metal sleeve (27), a spring (31) is installed in the sliding tube (30) in a sleeved mode, a protrusion corresponding to the spring (31) is arranged on the sliding tube (31), one end of the spring (31) is fixedly connected with the sliding tube (30), a movable sleeve (32) is fixedly connected with the other end of the spring, the movable sleeve (32) is in sliding connection with the sliding tube (30), and a gear protrusion (33) corresponding to an elastic clamping jaw of the clamping spring (12) is arranged on the movable sleeve (32).

4. The watertight connector for photoelectric mixed loading according to claim 3, wherein a fixed sleeve (34) is disposed on one side of the movable sleeve (32), the fixed sleeve (34) is fixedly connected with the sliding tube (30), a crimping sleeve (35) is slidably connected to one end of the sliding tube (30), and corresponding limiting protrusions (36) are disposed on an inner side wall of one end of the crimping sleeve (35) and one end of an outer side wall of the sliding tube (30).

5. The photoelectric mixed watertight connector according to claim 1, wherein the pin contact member (17) is a light pin contact member or an electric pin contact member, the light pin contact member and the electric pin contact member have the same outer diameter and similar step positions, and can be fixed on a short insulator (19) by a snap spring (12), the short insulator (19) is provided with a plurality of jacks, and the light pin contact member and the electric pin contact member can be freely placed in each jack.

6. The watertight connector for photoelectric mixed loading according to claim 1, wherein the plug housing (7) is in threaded connection with the adaptor housing (6), an O-ring I (11) is arranged between the plug housing (7) and the adaptor housing (6), a vulcanized seal (2) is arranged at the joint of the plug housing (7) and the adaptor housing (6), and a sealing groove (21) for reinforcing the vulcanized seal (2) is arranged on the outer walls of the plug housing (7) and the adaptor housing (6).

7. The photoelectric mixed watertight connector according to claim 1, wherein one end of the adapter housing (6) is connected with a tail nut (3) in a threaded manner, a step (22) corresponding to the adapter housing (6) is arranged in the tail nut (3), a pressure washer (4) is arranged on one side of the step (22) of the tail nut (3), a stuffing box (5) is arranged on one side of the pressure washer (4), an annular protrusion (23) corresponding to the stuffing box (5) is arranged in the adapter housing (6), the stuffing box (5) and the photoelectric composite cable (1) are sealed in a mutual extrusion manner, the adapter housing (6) and the photoelectric composite cable (1) are sealed through the stuffing box (5) and the vulcanization seal (2), and a seal groove (21) for reinforcing the vulcanization seal (2) is arranged on the outer wall of the tail nut (3).

8. The photoelectric mixed watertight connector according to claim 1, wherein the socket housing (16) and the plug housing (7) are butted and locked through a locking nut (8), a limiting step (25) is arranged on the plug housing (7), two sides of the limiting step (25) correspond to the locking nut (8) and the socket housing (16) respectively, an O-shaped ring II (13) is arranged on a contact surface of the limiting step (25) and the socket housing (16), a groove corresponding to the O-shaped ring II (13) is formed in the limiting step (25), an O-shaped ring III (14) is arranged on one side of the O-shaped ring II (13) on the outer side of the plug housing (7), and a groove corresponding to the O-shaped ring III (14) is formed in the plug housing (7).

9. The watertight connector for photoelectric mixed loading according to claim 1, wherein the socket housing (16) is in threaded connection with equipment, an O-ring IV (18) is arranged on one side of the contact surface of the socket housing (16) and the equipment, and a groove corresponding to the O-ring IV (18) is arranged on the socket housing (16).

10. An opto-electric hybrid watertight connector as defined in claim 1, wherein the adhesive is an epoxy glue.