CN119362055A - A double-layer oil-filled wet-plug connector - Google Patents

A double-layer oil-filled wet-plug connector Download PDF

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Publication number
CN119362055A
CN119362055A CN202411942261.5A CN202411942261A CN119362055A CN 119362055 A CN119362055 A CN 119362055A CN 202411942261 A CN202411942261 A CN 202411942261A CN 119362055 A CN119362055 A CN 119362055A
Authority
CN
China
Prior art keywords
oil bag
inner oil
sealing
insulating
bag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202411942261.5A
Other languages
Chinese (zh)
Inventor
陈学永
曹育良
李思行
夏仁善
廖志谦
谢萍
于婷
候向陶
张森
黄从树
张韩斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luoyang Shipbuilding Materials Research Institute 725th Research Institute Of China Shipbuilding Corp
Henan University of Science and Technology
China Aviation Optical Electrical Technology Co Ltd
Original Assignee
Luoyang Shipbuilding Materials Research Institute 725th Research Institute Of China Shipbuilding Corp
Henan University of Science and Technology
China Aviation Optical Electrical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Luoyang Shipbuilding Materials Research Institute 725th Research Institute Of China Shipbuilding Corp, Henan University of Science and Technology, China Aviation Optical Electrical Technology Co Ltd filed Critical Luoyang Shipbuilding Materials Research Institute 725th Research Institute Of China Shipbuilding Corp
Priority to CN202411942261.5A priority Critical patent/CN119362055A/en
Publication of CN119362055A publication Critical patent/CN119362055A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

本发明提供了一种双层油囊式湿插拔连接器，属于连接器技术领域，该湿插拔连接器包含插孔接触组件，插孔接触组件包括内油囊密封结构和插孔接触件，内油囊密封结构自外油囊后端向前延伸至绝缘体内，内油囊密封结构通过限位面与第一绝缘板轴向挡止配合以限制内油囊密封结构向前移动，内油囊密封结构包括绝缘密封部件以及与绝缘密封部件中后段密封连接的内油囊，绝缘密封部件中与内油囊重叠段的外壁上设有与插孔接触件内部空间或密封腔相连通的径向通孔。本发明中的绝缘密封部件能够对内油囊进行保护或支撑，同时在安装插孔接触组件时，可以将内油囊密封结构和插孔接触件分体安装，降低了安装难度，提高了安装效率。

The present invention provides a double-layer oil bag type wet plug connector, belonging to the technical field of connectors, the wet plug connector includes a jack contact assembly, the jack contact assembly includes an inner oil bag sealing structure and a jack contact piece, the inner oil bag sealing structure extends forward from the rear end of the outer oil bag into the insulator, the inner oil bag sealing structure cooperates with the axial stop of the first insulating plate through a limiting surface to limit the forward movement of the inner oil bag sealing structure, the inner oil bag sealing structure includes an insulating sealing component and an inner oil bag sealedly connected to the middle and rear sections of the insulating sealing component, and a radial through hole connected to the inner space or sealing cavity of the jack contact piece is provided on the outer wall of the overlapping section of the insulating sealing component with the inner oil bag. The insulating sealing component in the present invention can protect or support the inner oil bag, and at the same time, when installing the jack contact assembly, the inner oil bag sealing structure and the jack contact piece can be installed separately, which reduces the difficulty of installation and improves the installation efficiency.

Description

Double-layer oil bag type wet plug connector
Technical Field
The invention relates to the technical field of connectors, in particular to a double-layer oil bag type wet plug connector.
Background
For further exploration and development of marine resources, there is a need to develop underwater systems that can be explored or operated underwater. As an important component of an underwater system, an increasing number of underwater wet-plug electrical connectors are being used in order to accommodate underwater operations and plugging. The underwater wet plug electric connector can be directly plugged in a deep sea environment to realize connection or conduction of electric energy or electric signals, so that on one hand, the maintenance cost of an underwater system can be greatly reduced, the maintenance and the replacement of a part of the underwater system are facilitated, and on the other hand, the expansion and the networking of various underwater systems are facilitated. Therefore, the underwater wet plug electric connector has wide application in the field of ocean engineering.
The underwater environment needs to resist both the pressure from the water and the corrosion and damage of the connectors by salt water, microorganisms, silt, marine organisms, etc., which requires the connectors to have not only a pressure balancing structure to resist the pressure of the water, but also a dynamic seal to resist the harsh underwater environment. Based on this, a double-layer oil bag type wet plug connector having an inner and an outer oil bag has been developed.
However, the existing double-layer oil bag type wet plug connector has the following disadvantages:
(1) The existing connector comprises an outer oil bag and an inner oil bag, wherein at least one end of the outer oil bag is lapped on an insulator adjacent to the outer oil bag, so that the structural strength of the connector is low, and when the connector encounters severe vibration, the outer oil bag is easy to displace, and pressure balance liquid is leaked.
(2) The existing connector is generally characterized in that an inner oil bag is directly sleeved outside a jack contact piece, the size of the inner oil bag is large to integrally wrap the jack contact piece, on one hand, the installation difficulty of the inner oil bag is high, the installation efficiency is low, and on the other hand, the inner oil bag cannot be protected or supported, so that the inner oil bag is not beneficial to stable fixation.
Disclosure of Invention
Accordingly, it is an object of the present invention to provide a dual-layer oil bladder type wet plug connector comprising a receptacle contact assembly including an inner oil bladder sealing structure and a receptacle contact, the inner oil bladder sealing structure including an inner oil bladder and an insulating sealing member capable of protecting or supporting the inner oil bladder. Meanwhile, when the jack contact assembly is installed, the inner oil bag sealing structure and the jack contact piece can be installed in a split mode, the installation difficulty is reduced, and the installation efficiency is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a double-layer oil-bag type wet plug connector, comprising:
The front section of the shell is provided with a cavity;
The insulator is arranged in the cavity of the shell and is fixedly connected with the shell;
the outer oil bag is arranged in the cavity of the shell, a first insulating plate and a second insulating plate are arranged in the outer oil bag at intervals from front to back, the first insulating plate, the outer oil bag and the insulator are fixedly connected, a supporting spring is arranged between the first insulating plate and the second insulating plate and used for propping the second insulating plate backwards against the bottom wall of the cavity of the shell, the front end of the outer oil bag is in sealing connection with the insulator through the first insulating plate, the rear end of the outer oil bag is in sealing connection with the shell through the second insulating plate, and a sealing cavity filled with pressure balancing liquid is further formed;
The jack contact assembly is axially penetrated in the shell and the insulator, the jack contact assembly comprises an inner oil bag sealing structure and a jack contact piece axially inserted in the inner oil bag sealing structure, the inner oil bag sealing structure extends forwards from the rear end of the outer oil bag to the inside of the insulator, the inner oil bag sealing structure is axially blocked and matched with the first insulating plate through a limiting surface to limit the inner oil bag sealing structure to move forwards, the inner oil bag sealing structure comprises an insulating sealing part and an inner oil bag in sealing connection with the middle rear section of the insulating sealing part, the inner oil bag is positioned in a sealing cavity, and a radial through hole communicated with an inner space or the sealing cavity of the jack contact piece is formed in the outer wall of the section, overlapped with the inner oil bag, of the insulating sealing part.
Further, the jack contact comprises a jack transfer column, a jack sleeve, a compression spring, a movable ejector rod and a conducting ring, wherein the jack transfer column is arranged at the tail part of the jack sleeve and extends to the outside of the shell backwards, the conducting ring is arranged at the front end of the jack sleeve, an axial through hole is axially formed in the jack sleeve, the compression spring is arranged in the axial through hole, an oil passing hole communicated with the axial through hole is formed in the outer wall of the jack sleeve, the movable ejector rod is arranged at the front end of the compression spring, the front end of the movable ejector rod penetrates through the conducting ring and extends into an insulator, the inner oil bag sealing structure is sleeved outside the jack sleeve, one end of the inner oil bag sealing structure extends to the rear of the jack sleeve and is tightly connected with the jack transfer column, and the other end of the inner oil bag sealing structure extends to the front section of the movable ejector rod and is in sealing connection with the movable ejector rod.
Further, the insulating sealing component comprises an insulating sleeve and a sealing block connected with the front end of the insulating sleeve, a radial through hole is formed in the outer wall of the insulating sleeve, and the sealing block is sleeved on the front section of the movable ejector rod.
Further, the sealing block is clamped with the insulating sleeve, adhered to the insulating sleeve or integrally formed through vulcanization.
Further, the sealing block and the movable ejector rod are in direct close contact or O-shaped ring to realize sealing.
Further, the insulating sleeve is tightly attached to the outer wall of the jack sleeve, the inner oil bag is sleeved outside the insulating sleeve, one end of the inner oil bag extends to the rear of the jack sleeve and is tightly connected with the jack adapter column, and the other end of the inner oil bag is in sealing connection with the middle of the outer wall of the insulating sleeve.
Further, a circle of convex ring is arranged in front of the inner oil bag on the insulating sleeve, the front end face of the convex ring is a limiting face, and the limiting face is axially blocked and matched with the rear end face of the first insulating plate to limit the inner oil bag sealing structure to move forwards.
Further, the inner oil bag is tightly attached to the outer wall of the jack sleeve, the insulating sleeve comprises a small outer diameter section arranged on the front section and a large outer diameter section arranged on the rear section, and the large outer diameter section is arranged outside the inner oil bag so as to protect the inner oil bag.
Further, the rear end of the inner oil bag is provided with an everting flanging which is abutted with the rear end face of the insulating sleeve.
Further, the connecting surface of the large outer diameter section and the small outer diameter section is a limiting surface, and the limiting surface is axially in stop fit with the rear end surface of the first insulating plate to limit the inner oil bag sealing structure to move forwards.
Further, the inner oil bag is in interference fit or adhesion with the insulating sleeve.
Further, support rods are arranged on opposite side surfaces of the first insulating plate and the second insulating plate, and two ends of the support springs are arranged on the support rods in a penetrating mode.
Further, a sealing roller is arranged on the insulator at a position close to the front end face and corresponding to the jack contact assembly, and the sealing roller is perpendicular to the jack contact assembly.
Further, the sealing roller comprises a mandrel and sealing materials arranged on the circumferential surface of the mandrel, the sealing materials are in interference fit with the insulator, and the mandrel is in sealing connection with the sealing materials.
The beneficial effects are that:
as described above, the double-layer oil bag type wet plug connector has the following beneficial effects:
(1) The wet plug connector comprises a jack contact assembly, wherein the jack contact assembly comprises an inner oil bag sealing structure and a jack contact piece, when the connector is installed, an insulator component can be formed by an outer oil bag, a first insulating plate, a supporting spring, a second insulating plate and an insulator, then the inner oil bag sealing structure is installed in the insulator component to form an intermediate body, and after the intermediate body is integrally installed in a shell and fixed, the jack contact piece is installed in a jack installation hole at the tail of the shell, so that sealing fit is realized with the inner oil bag sealing structure. The invention can separate the inner oil bag sealing structure and the jack contact piece, reduces the installation difficulty and improves the installation efficiency.
(2) The first insulating plate and the second insulating plate are arranged in the outer oil bag, so that the end parts of the outer oil bag can be respectively propped against the insulator and the shell, the sealing connection between the outer oil bag and the insulator and between the outer oil bag and the shell can be realized, the outer oil bag can be radially supported, and the structural strength of the two end parts of the outer oil bag can be maintained.
(3) The inner oil bag sealing structure comprises the inner oil bag and the insulating sealing part, when the inner oil bag is arranged outside the insulating sealing part, the insulating sealing part can support the inner oil bag on one hand, the integral structure strength of the jack contact assembly is higher, and on the other hand, the jack contact assembly is more convenient to install due to the fact that the insulating sealing part is supported. When most structures (except flanging) of the inner oil bag are installed in the insulating sealing part, the inner oil bag can be prevented from being scratched by foreign matters, and the inner oil bag is wrapped in the insulating sealing part, so that the outer strength of the inner oil bag sealing structure is high, and the inner oil bag sealing structure is convenient to install and fix with an insulator, a first insulating plate and a second insulating plate.
(4) The front end of the inner oil bag sealing structure is connected with the movable ejector rod in a sealing way, and the rear end of the inner oil bag sealing structure is connected with the jack transfer column in a sealing way. The inner oil bag sealing structure can be directly connected with the jack contact piece in a sealing way, other parts are not needed, and the sealing structure of the connector is simplified.
(5) The inner oil bag sealing structure is matched with the first insulating plate through the limiting surface to limit the forward movement of the inner oil bag sealing structure, and the design has the advantages that on one hand, when the jack contact piece is installed, the inner oil bag sealing structure can be prevented from moving, the installation efficiency can be improved, and on the other hand, the installation personnel can conveniently confirm whether the inner oil bag sealing structure is installed in place in the insulator.
The present invention will be described in further detail with reference to the drawings of the embodiments and the specific embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly explain the embodiments or the drawings needed in the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a wet plug connector according to the present invention.
Fig. 2 is one of the schematic diagrams of the receptacle contact assembly.
Fig. 3 is a cross-sectional view at B in fig. 2.
FIG. 4 is a second schematic view of a receptacle contact assembly.
Fig. 5 is a cross-sectional view at C in fig. 4.
FIG. 6 is a third schematic view of a receptacle contact assembly.
Fig. 7 is a cross-sectional view at D in fig. 6.
Fig. 8 is a schematic diagram of a receptacle contact assembly.
Fig. 9 is a cross-sectional view at E in fig. 8.
The graphic mark, 1, a shell, 101, a cavity, 2, an insulator, 3, a first insulating plate, 4, an outer oil bag, 5, a second insulating plate, 6, a sealing roller, 7, a jack contact assembly, 71, a jack contact piece, 711, a jack switching post, 712, a jack sleeve, 7121, an axial through hole, 7122, an oil passing hole, 713, a compression spring, 714, a movable ejector rod, 715, a conductive ring, 72, an inner oil bag sealing structure, 72-1, a limiting surface, 721, an inner oil bag, 7211, a flanging, 722, an insulating sleeve, 7221, a radial through hole, 7222, a flange ring, 723, a sealing block, 724, an O-shaped ring, 8, a support spring, 9 and a support rod.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a double-layer oil bag type wet plug connector, which comprises a housing 1, an insulator 2, an outer oil bag 4, and at least one jack contact assembly 7 axially penetrating the housing 1 and the insulator 2. The front end of the wet plug connector is taken as one end which is in butt joint with the adapting connector. The specific structure thereof will be described in detail.
The shell 1 is used as a main bearing structure of the connector, a sealing space is provided, a cavity 101 is formed in the front section of the shell 1, an insulator 2 and an outer oil bag 4 are sequentially arranged in the cavity 101 from front to back, the insulator 2 is fixedly connected with the shell 1 (through screws or supporting columns or other structural forms), the outer oil bag 4 is of a hollow structure with openings, a first insulating plate 3 and a second insulating plate 5 are arranged in the outer oil bag 4 from front to back at intervals, the first insulating plate 3 and the second insulating plate 5 which are arranged in the outer oil bag 4 from the openings divide the outer oil bag 4 into a front section, a middle section and a rear section from front to back, the first insulating plate 3, the front section of the outer oil bag 4 and the insulator 2 are fixedly connected, a supporting spring 8 is arranged between the first insulating plate 3 and the second insulating plate 5, the supporting spring 8 is used for propping the second insulating plate 5 against the bottom wall of the cavity 101 of the shell 1, one end of the outer oil bag 4 is in sealing connection with the rear end face of the insulator 2 through the first insulating plate 3, and the other end of the outer oil bag 4 is in sealing connection with the bottom wall 101 of the shell 1 through the second insulating plate 5, and the sealing liquid of the outer oil bag 4 is in balance with the cavity 1 and the sealing liquid is filled in the sealing cavity 1. A deformation space is arranged between the outer oil bag 4 and the inner wall of the shell 1. The outer oil bag 4 is made of elastic materials, and can keep the dynamic balance of the internal pressure and the external pressure of the connector when the connector is deformed in the inserting and extracting process.
According to the invention, the first insulating plate 3 and the second insulating plate 5 are arranged in the outer oil bag 4, so that the front section and the rear section of the outer oil bag 4 can be respectively propped against the insulator 2 and the shell 1, the sealing connection between the outer oil bag 4 and the insulator 2 and between the outer oil bag 4 and the shell 1 can be realized, the outer oil bag 4 can be radially supported, and the structural strength of two end parts of the outer oil bag 4 can be maintained. Wherein, the first insulating plate 3, the outer oil bag 4 and the insulator 2 can be fixedly connected through screws, through holes (not shown in the figure) for screws to pass are arranged on the front sections of the first insulating plate 3 and the outer oil bag 4, one end of each screw which is filled into the outer oil bag 4 from the opening sequentially passes through the front sections of the first insulating plate 3 and the outer oil bag 4 and then is connected with the insulator 2, namely, the fixed connection of the first insulating plate 3, the outer oil bag 4 and the insulator 2 is realized. Specifically, the opening is disposed on the rear section of the outer oil bag 4 and is located in the middle of the orthographic projection of the second insulating plate 5, so as to avoid affecting the sealing effect of the connector.
Preferably, the present invention is provided with the support rods 9 on opposite sides of the first insulating plate 3 and the second insulating plate 5, and both ends of the support springs 8 are penetrated through the support rods 9 to avoid radial deflection of the support springs 8.
A sealing roller 6 is arranged on the insulator 2 near the front end surface and at a position corresponding to the jack contact assembly 7, and the sealing roller 6 is perpendicular to the jack contact assembly 7. Specifically, the sealing roller 6 includes a mandrel and a sealing material disposed on the circumferential surface of the mandrel, and the mandrel and the sealing material are sealed by adopting modes of adhesion, vulcanization, and the like, and the sealing material is in interference fit with the insulator 2.
The wet plug connector is designed with a double-layer oil bag to realize pressure balance and dynamic seal, and the outer oil bag 4 realizes first-layer pressure balance seal through a sealing roller 6 which is matched with the front end of the insulator 2 and the shell 1 in an extrusion sealing manner. The receptacle contact assembly 7 itself may achieve a second pressure balanced seal, allowing the connector to achieve a double pressure balanced seal as a whole. In the connector plugging process, the outer oil bag 4 and the jack contact assembly 7 deform to ensure that the internal pressure and the external pressure of the connector are in a dynamic balance process, so that the connector can be plugged and unplugged smoothly in an underwater pressure environment. The specific structure of the receptacle contact assembly 7 is described in detail below.
The jack contact assembly 7 comprises a jack contact piece 71 and an inner oil bag sealing structure 72, the jack contact piece 71 comprises a jack transfer post 711, a jack sleeve 712, a compression spring 713, a movable ejector rod 714 and a conductive ring 715, the jack transfer post 711 is arranged at the tail part of the jack sleeve 712, the rear end of the jack transfer post 711 is provided with a wiring terminal penetrating out of the shell 1 backwards, the conductive ring 715 is arranged at the front end of the jack sleeve 712, the conductive ring 715 is used for being in elastic contact conduction with a contact pin of an adapter connector, the conductive ring 715 can be a wire spring, a crown spring and the like so as to improve the contact stability of the contact pin and the jack contact piece 71, an axial through hole 7121 is axially arranged in the jack sleeve 712, the compression spring 713 is arranged in the axial through hole 7121, an oil passing hole 7122 communicated with the axial through hole 7121 is formed in the outer wall of the jack sleeve 712, the front end of the movable ejector rod 714 penetrates through the conductive ring 715 and extends into the insulator 2, the inner oil bag sealing structure 72 is sleeved outside the sleeve 712, and the inner ejector rod 714 extends to the other end of the jack sleeve 714 and is connected with the movable ejector rod 714 in a sealing mode.
When the connector is assembled, the outer oil bag 4, the first insulating plate 3, the supporting spring 8, the second insulating plate 5 and the insulator 2 can be assembled into an insulator component, then the inner oil bag sealing structure 72 is installed in the insulator component, the front end of the inner oil bag sealing structure 72 is inserted into the insulator 2 to form an intermediate body, then the intermediate body is installed in the shell 1, the insulator 2 and the shell 1 are fixed, and then the jack contact 71 is installed from the jack installation hole at the tail part of the shell 1 to realize sealing fit with the inner oil bag sealing structure 72.
The inner oil bag sealing structure 72 includes an inner oil bag 721 and an insulating sealing member which are hermetically connected, the inner oil bag 721 is made of an elastic material, and the inner oil bag 721 is disposed in a sealing chamber. When the connector is inserted with the adapting connector, the contact pin of the adapting connector pushes the movable ejector rod 714, the movable ejector rod 714 retreats, the compression spring 713 compresses, the contact pin enters the jack of the jack contact piece 71 and is communicated with the conducting ring 715, contact conduction of the plugging double-end connector is achieved, at the moment, the inner space of the inner oil bag 721 is changed, the inner oil bag 721 is expanded, pressure is transmitted to the sealing cavity through the volume change of the inner oil bag 721, and pressure balance is achieved through deformation of the outer oil bag 4, so that the connector underwater plugging process can be conveniently and smoothly carried out.
When the inner oil bag 721 is connected with the insulating sealing member, sealing can be achieved through interference fit between the inner oil bag 721 and the insulating sealing member, and sealing fixation between the inner oil bag 721 and the insulating sealing member can be achieved through vulcanization adhesion, gluing and the like.
The insulating sealing component comprises an insulating sleeve 722 and a sealing block 723 arranged at the front end of the insulating sleeve 722, a radial through hole 7221 communicated with the inner space or the sealing cavity of the jack contact 71 is arranged on the outer wall of the section of the insulating sleeve 722 overlapped with the inner oil bag 721, and the sealing block 723 is sleeved at the front section of the movable ejector rod 714. The connection between the insulating sleeve 722 and the sealing block 723 is not limited, as long as a sealing connection can be achieved. For example, the front end of the insulating sleeve 722 and the sealing block 723 may be in sealing connection by a snap fit or adhesion, or the insulating sleeve 722 and the sealing block 723 may be integrally formed by vulcanization. The sealing block 723 is made of rubber material, and the insulating sealing member can realize the sealing connection between the insulating sealing member and the movable ejector rod 714 by tightly contacting the sealing block 723 with the movable ejector rod 714 (see fig. 3 and 5), or can realize the sealing connection between the insulating sealing member and the movable ejector rod 714 by arranging an O-ring 724 at the front end of the insulating sealing member (see fig. 7 and 9).
As an aspect of the present invention, referring to fig. 3 and 9, the insulating sleeve 722 is closely attached to the outer wall of the socket sleeve 712, and the inner oil bag 721 is sleeved outside the insulating sleeve 722, one end of the inner oil bag 721 extends to the rear of the socket sleeve 712 and is in sealing connection with the socket adapter 711 to ensure the sealing effect of the socket contact 71, and the other end is in close contact with the middle of the outer wall of the insulating sleeve 722. The insulating sleeve 722 is provided with a radial through hole 7221 communicated with the inner space of the jack contact 71, and when the wet plug connector and the adapter connector are plugged, the wet plug connector can expand and deform, and the pressure balance liquid deforms the inner oil bag 721 through the jack contact 71 and the radial through hole 7221. This scheme installs the inside oil bag 721 in the outside of insulating sleeve 722, and insulating sleeve 722 can support inside oil bag 721, and jack contact assembly 7's overall structure intensity is higher, and the hole lateral wall intensity that is used for installing jack contact 71 in the interior oil bag seal structure 72 is also higher, the installation of the jack contact 71 of being convenient for.
Specifically, when the inner oil bag 721 is mounted on the outside of the insulating sleeve 722, a ring of raised ring 7222 is disposed on the insulating sleeve 722 in front of the inner oil bag 721, the front end surface of the raised ring 7222 is a limiting surface 72-1, and the limiting surface 72-1 is axially and non-positively engaged with the rear end surface of the first insulating plate 3 to limit the forward movement of the inner oil bag sealing structure 72.
As another aspect of the present invention, referring to fig. 5 and 7, the inner oil bag 721 is disposed closely to the outer wall of the socket sleeve 712, and the insulating sleeve 722 includes a small outer diameter section disposed at the front section and a large outer diameter section disposed at the rear section, and the large outer diameter section is disposed outside the inner oil bag 721 to protect the inner oil bag 721. The scheme has the advantages that most of the structure of the inner oil bag 721 is installed in the insulating sleeve 722, the size of the inner oil bag 721 can be designed to be smaller, the installation is convenient, the insulating sleeve 722 can protect the inner oil bag 721 and prevent foreign matters from being scratched, and the inner oil bag 721 is wrapped in the insulating sleeve 722, so that the overall external strength of the inner oil bag sealing structure 72 is higher, and the inner oil bag sealing structure 72 is convenient to install and fix the insulator 2, the first insulating plate 3 and the second insulating plate 5. The insulating sleeve 722 is provided with a radial through hole 7221 with a larger size, so as to avoid the expansion deformation of the part of the inner oil bag 721 corresponding to the radial through hole 7221 when the connector is inserted with the adapting connector.
It should be noted that, in the present invention, the flange 7211 is disposed at the rear end of the inner oil bag 721, and when the jack contact 71 is inserted forward from the tail, the flange 7211 makes the inner oil bag 721 not easy to be rolled into the insulating sleeve 722, so as to facilitate the installation of the jack contact 71 in place.
Specifically, when most of the structure (except for the flange 7211) of the inner oil bag 721 is mounted in the insulating sleeve 722, the connection surface of the large outer diameter section and the small outer diameter section is a limiting surface 72-1, and the limiting surface 72-1 is axially and in stop fit with the rear end surface of the first insulating plate 3 to limit the forward movement of the inner oil bag sealing structure 72.
The invention is not illustrated in the prior art.
The above description of the present invention provides a double-layer oil-bag type wet plug connector, and specific examples are applied to illustrate the principle and specific embodiments of the present invention, and the above examples are only used to help understand the method and core idea of the present invention. It should be noted that any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention fall within the protection scope of the present invention for those skilled in the art.

Claims (14)

1.一种双层油囊式湿插拔连接器，其特征在于，包括：1. A double-layer oil-bag wet-plug connector, characterized by comprising: 壳体（1），所述壳体（1）的前段设有空腔（101）；A housing (1), wherein a front section of the housing (1) is provided with a cavity (101); 绝缘体（2），设于壳体（1）的空腔（101）内，且与壳体（1）固定连接；An insulator (2) is disposed in the cavity (101) of the housing (1) and is fixedly connected to the housing (1); 外油囊（4），设于壳体（1）的空腔（101）内，所述外油囊（4）的内部自前至后间隔设有第一绝缘板（3）和第二绝缘板（5），第一绝缘板（3）、外油囊（4）及绝缘体（2）固定连接，第一绝缘板（3）和第二绝缘板（5）间设有支撑弹簧（8），支撑弹簧（8）用于将第二绝缘板（5）向后抵紧于壳体（1）的空腔（101）底壁上，外油囊（4）的前端通过第一绝缘板（3）与绝缘体（2）密封连接、后端通过第二绝缘板（5）与壳体（1）密封连接，进而围成一填充有压力平衡液的密封腔；An outer oil bag (4) is arranged in the cavity (101) of the shell (1), wherein a first insulating plate (3) and a second insulating plate (5) are arranged in intervals from front to back inside the outer oil bag (4), wherein the first insulating plate (3), the outer oil bag (4) and the insulator (2) are fixedly connected, and a support spring (8) is arranged between the first insulating plate (3) and the second insulating plate (5), wherein the support spring (8) is used to press the second insulating plate (5) backward against the bottom wall of the cavity (101) of the shell (1), wherein the front end of the outer oil bag (4) is sealedly connected to the insulator (2) through the first insulating plate (3), and the rear end is sealedly connected to the shell (1) through the second insulating plate (5), thereby enclosing a sealed cavity filled with a pressure balancing liquid; 至少一个插孔接触组件（7），沿轴向穿设于壳体（1）和绝缘体（2）中，所述插孔接触组件（7）包括内油囊密封结构（72）以及沿轴向插装于内油囊密封结构（72）中的插孔接触件（71），所述内油囊密封结构（72）自外油囊（4）后端向前延伸至绝缘体（2）内，所述内油囊密封结构（72）通过限位面（72-1）与第一绝缘板（3）轴向挡止配合以限制内油囊密封结构（72）向前移动，所述内油囊密封结构（72）包括绝缘密封部件以及与绝缘密封部件中后段密封连接的内油囊（721），所述内油囊（721）处于密封腔中，所述绝缘密封部件中与内油囊（721）重叠段的外壁上设有与插孔接触件（71）内部空间或密封腔相连通的径向通孔（7221）。At least one socket contact assembly (7) is axially inserted into the housing (1) and the insulator (2). The socket contact assembly (7) comprises an inner oil bag sealing structure (72) and a socket contact piece (71) axially inserted into the inner oil bag sealing structure (72). The inner oil bag sealing structure (72) extends forward from the rear end of the outer oil bag (4) into the insulator (2). The inner oil bag sealing structure (72) cooperates with the first insulating plate (3) in axial blocking via a limiting surface (72-1) to limit the forward movement of the inner oil bag sealing structure (72). The inner oil bag sealing structure (72) comprises an insulating sealing component and an inner oil bag (721) sealedly connected to the middle and rear section of the insulating sealing component. The inner oil bag (721) is located in a sealing cavity. A radial through hole (7221) communicating with the inner space of the socket contact piece (71) or the sealing cavity is provided on the outer wall of the insulating sealing component at a section overlapping with the inner oil bag (721). 2.根据权利要求1所述的一种双层油囊式湿插拔连接器，其特征在于，所述插孔接触件（71）包括插孔转接柱（711）、插孔套（712）、压缩弹簧（713）、活动顶杆（714）以及导电环（715），所述插孔转接柱（711）设置在插孔套（712）的尾部并向后延伸至壳体（1）外部，所述导电环（715）设置在插孔套（712）的前端，所述插孔套（712）中轴向设置有轴向通孔（7121），所述压缩弹簧（713）设置在轴向通孔（7121）中，所述插孔套（712）的外壁上开设有与轴向通孔（7121）连通的过油孔（7122），所述活动顶杆（714）设置在压缩弹簧（713）前端，所述活动顶杆（714）前端贯穿导电环（715）并延伸至绝缘体（2）中，所述内油囊密封结构（72）套装在插孔套（712）的外部，所述内油囊密封结构（72）的一端延伸至插孔套（712）后方并与插孔转接柱（711）紧密连接，另一端延伸至活动顶杆（714）的前段并与活动顶杆（714）密封连接。2. A double-layer oil-bag wet-plug connector according to claim 1, characterized in that the jack contact (71) comprises a jack adapter column (711), a jack sleeve (712), a compression spring (713), a movable push rod (714) and a conductive ring (715), the jack adapter column (711) is arranged at the rear of the jack sleeve (712) and extends backward to the outside of the housing (1), the conductive ring (715) is arranged at the front end of the jack sleeve (712), an axial through hole (7121) is axially arranged in the jack sleeve (712), and the compression spring (713) is arranged in the axial through hole (7121). In the embodiment, an oil hole (7122) communicating with the axial through hole (7121) is formed on the outer wall of the jack sleeve (712); the movable push rod (714) is arranged at the front end of the compression spring (713); the front end of the movable push rod (714) penetrates the conductive ring (715) and extends into the insulator (2); the inner oil bag sealing structure (72) is sleeved on the outside of the jack sleeve (712); one end of the inner oil bag sealing structure (72) extends to the rear of the jack sleeve (712) and is tightly connected to the jack adapter column (711); the other end extends to the front section of the movable push rod (714) and is sealed to the movable push rod (714). 3.根据权利要求2所述的一种双层油囊式湿插拔连接器，其特征在于，所述绝缘密封部件包括绝缘套筒（722）以及与绝缘套筒（722）前端相连接的密封块（723），所述绝缘套筒（722）的外壁上设有径向通孔（7221），所述密封块（723）套装于活动顶杆（714）的前段。3. A double-layer oil-bag wet-plug connector according to claim 2, characterized in that the insulating sealing component comprises an insulating sleeve (722) and a sealing block (723) connected to the front end of the insulating sleeve (722), a radial through hole (7221) is provided on the outer wall of the insulating sleeve (722), and the sealing block (723) is sleeved on the front section of the movable top rod (714). 4.根据权利要求3所述的一种双层油囊式湿插拔连接器，其特征在于，所述密封块（723）与绝缘套筒（722）卡接、粘接或通过硫化一体成型。4. A double-layer oil-bag wet-plug connector according to claim 3, characterized in that the sealing block (723) and the insulating sleeve (722) are snap-fitted, bonded or integrally formed by vulcanization. 5.根据权利要求3所述的一种双层油囊式湿插拔连接器，其特征在于，所述密封块（723）与活动顶杆（714）通过直接紧密接触或O型圈（724）实现密封。5. A double-layer oil-bag wet-plug connector according to claim 3, characterized in that the sealing block (723) and the movable ejector rod (714) are sealed by direct close contact or an O-ring (724). 6.根据权利要求3所述的一种双层油囊式湿插拔连接器，其特征在于，所述绝缘套筒（722）紧贴插孔套（712）外壁设置，内油囊（721）套装于绝缘套筒（722）的外部，所述内油囊（721）的一端延伸至插孔套（712）后方并与插孔转接柱（711）紧密连接，另一端与绝缘套筒（722）外壁中部密封连接。6. A double-layer oil bladder type wet-plug connector according to claim 3, characterized in that the insulating sleeve (722) is arranged closely to the outer wall of the jack sleeve (712), and the inner oil bladder (721) is sleeved on the outside of the insulating sleeve (722), one end of the inner oil bladder (721) extends to the rear of the jack sleeve (712) and is tightly connected to the jack adapter column (711), and the other end is sealed and connected to the middle of the outer wall of the insulating sleeve (722). 7.根据权利要求6所述的一种双层油囊式湿插拔连接器，其特征在于，所述绝缘套筒（722）上于内油囊（721）的前方设有一圈凸环（7222），凸环（7222）的前端面为限位面（72-1），限位面（72-1）与第一绝缘板（3）的后端面轴向挡止配合以限制内油囊密封结构（72）向前移动。7. A double-layer oil bladder type wet-plug connector according to claim 6, characterized in that a convex ring (7222) is provided on the insulating sleeve (722) in front of the inner oil bladder (721), and the front end surface of the convex ring (7222) is a limiting surface (72-1), and the limiting surface (72-1) cooperates with the rear end surface of the first insulating plate (3) to axially stop and limit the inner oil bladder sealing structure (72) from moving forward. 8.根据权利要求3所述的一种双层油囊式湿插拔连接器，其特征在于，所述内油囊（721）紧贴插孔套（712）外壁设置，所述绝缘套筒（722）包括设于前段的小外径段和设于后段的大外径段，所述大外径段设于内油囊（721）外部以对内油囊（721）进行保护。8. A double-layer oil bladder type wet plug connector according to claim 3, characterized in that the inner oil bladder (721) is arranged in close contact with the outer wall of the socket sleeve (712), and the insulating sleeve (722) includes a small outer diameter section arranged at the front section and a large outer diameter section arranged at the rear section, and the large outer diameter section is arranged outside the inner oil bladder (721) to protect the inner oil bladder (721). 9.根据权利要求8所述的一种双层油囊式湿插拔连接器，其特征在于，所述内油囊（721）的后端具有外翻的翻边（7211），翻边（7211）与绝缘套筒（722）的后端面相抵接。9. A double-layer oil bladder type wet-plug connector according to claim 8, characterized in that the rear end of the inner oil bladder (721) has an outward-turned flange (7211), and the flange (7211) abuts against the rear end surface of the insulating sleeve (722). 10.根据权利要求8所述的一种双层油囊式湿插拔连接器，其特征在于，所述大外径段与小外径段的连接面为限位面（72-1），限位面（72-1）与第一绝缘板（3）的后端面轴向挡止配合以限制内油囊密封结构（72）向前移动。10. A double-layer oil bag type wet plug connector according to claim 8, characterized in that the connecting surface between the large outer diameter section and the small outer diameter section is a limit surface (72-1), and the limit surface (72-1) cooperates with the rear end surface of the first insulating plate (3) to axially stop and limit the forward movement of the inner oil bag sealing structure (72). 11.根据权利要求6或8所述的一种双层油囊式湿插拔连接器，其特征在于，内油囊（721）与绝缘套筒（722）之间为过盈配合或粘接。11. A double-layer oil bladder type wet-plug connector according to claim 6 or 8, characterized in that the inner oil bladder (721) and the insulating sleeve (722) are interference fit or adhesively bonded. 12.根据权利要求1所述的一种双层油囊式湿插拔连接器，其特征在于，所述第一绝缘板（3）和第二绝缘板（5）的相对侧面上均设有支撑杆（9），所述支撑弹簧（8）的两端均穿设于支撑杆（9）上。12. A double-layer oil-bag wet-plug connector according to claim 1, characterized in that support rods (9) are provided on the opposite sides of the first insulating plate (3) and the second insulating plate (5), and both ends of the support spring (8) are passed through the support rods (9). 13.根据权利要求1所述的一种双层油囊式湿插拔连接器，其特征在于，所述绝缘体（2）上靠近前端面与插孔接触组件（7）相对应的位置安装有密封辊（6），所述密封辊（6）垂直于插孔接触组件（7）设置。13. A double-layer oil-bag wet-plug connector according to claim 1, characterized in that a sealing roller (6) is installed on the insulator (2) at a position close to the front end surface corresponding to the socket contact component (7), and the sealing roller (6) is arranged perpendicular to the socket contact component (7). 14.根据权利要求13所述的一种双层油囊式湿插拔连接器，其特征在于，所述密封辊（6）包括芯轴和设在芯轴圆周面上的密封材料，密封材料与绝缘体（2）过盈配合，所述芯轴与密封材料密封连接。14. A double-layer oil-bag wet-plug connector according to claim 13, characterized in that the sealing roller (6) comprises a core shaft and a sealing material provided on the circumferential surface of the core shaft, the sealing material and the insulator (2) are interference fit, and the core shaft and the sealing material are sealed and connected.
CN202411942261.5A 2024-12-27 2024-12-27 A double-layer oil-filled wet-plug connector Pending CN119362055A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011011361A2 (en) * 2009-07-23 2011-01-27 Teledyne Odi, Inc. Wet mate connector
CN115693266A (en) * 2022-10-12 2023-02-03 青岛海洋科学与技术国家实验室发展中心 Underwater plugging electric connector with double redundant sealing structures
CN117080794A (en) * 2023-07-20 2023-11-17 中航光电科技股份有限公司 Underwater plug connector
CN118131405A (en) * 2024-01-02 2024-06-04 中航光电科技股份有限公司 Underwater pluggable optical fiber connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011011361A2 (en) * 2009-07-23 2011-01-27 Teledyne Odi, Inc. Wet mate connector
CN115693266A (en) * 2022-10-12 2023-02-03 青岛海洋科学与技术国家实验室发展中心 Underwater plugging electric connector with double redundant sealing structures
CN117080794A (en) * 2023-07-20 2023-11-17 中航光电科技股份有限公司 Underwater plug connector
CN118131405A (en) * 2024-01-02 2024-06-04 中航光电科技股份有限公司 Underwater pluggable optical fiber connector

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