CN214204130U

CN214204130U - Environment-resistant large-current electric connector

Info

Publication number: CN214204130U
Application number: CN202120088699.7U
Authority: CN
Inventors: 马飞; 姜山; 柴兴
Original assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Current assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-09-14
Anticipated expiration: 2031-01-13

Abstract

The utility model provides an environmental resistance type heavy current electric connector has solved current heavy current electric connector and has prevented that it is not enough to drench the rain performance, uses the inconvenient problem of maintenance operation. The utility model comprises a plug and a socket which are connected with each other, wherein the plug comprises a plug shell, a hole front insulator, a jack, a shielding ring, a connecting nut component, a parallel ring snap spring, a first fixed jaw, a hole rear insulator, a first wire sealing body, a first wire fixing plate and a first tail accessory; the socket comprises a square disc shell, a contact pin, a sealing ring, an interface sealing body, a front needle insulator, a second fixing clamping jaw, a rear needle insulator, a second wire sealing body, a second wire fixing plate and a second tail accessory. The utility model discloses a resistant environment type heavy current electric connector can realize the high-speed joint separation, has good resistant environment ability and mechanical properties, uses and maintains simply swiftly.

Description

Environment-resistant large-current electric connector

Technical Field

The utility model belongs to the technical field of the electric connector, a resistant environment type heavy current electric connector is related to, is applicable to the electrical connection between various heavy current equipment, excellent performance can be in each field wide application such as aviation, boats and ships, weapon, civilian.

Background

Traditional heavy current electric connector, the kind is limited, and because of receiving the restriction of structure and volume, environmental resistance performance is generally lower, and dustproof rain performance of preventing is not enough, uses and maintains the operation inconvenience. Along with the development of scientific and technological strength in China, the application field of the electric connector is also widened continuously, various heavy-current electric equipment needs a special heavy-current electric connector to realize electric connection, and meanwhile, the requirements on the performance of the electric connector are higher and higher, including dustproof and rainproof performance, marine environment resistance and the like. The existing high-current electric connector cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an environment-resistant type heavy current electric connector. The utility model discloses a resistant environment type heavy current electric connector can realize the high-speed joint separation, has good resistant environment ability and mechanical properties, uses and maintains simply swiftly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an environment-resistant high-current electric connector comprises a plug and a socket which are butted, wherein the plug comprises a plug shell, a hole front insulator, a jack, a shielding ring, a connecting nut assembly, a parallel ring clamp spring, a first fixing clamping jaw, a hole rear insulator, a first wire sealing body, a first wire fixing plate and a first tail accessory; a hole front insulator and a hole rear insulator are arranged in the plug shell, the jack is axially arranged in the hole cavity of the hole front insulator and the hole rear insulator, a first wire sealing body is bonded at the tail end of the hole rear insulator, a pressing line at the tail end of the jack is arranged in the hole cavity of the first wire sealing body, a first wire fixing plate is arranged at the tail end of the first wire sealing body, the tail end of the plug shell is connected with a first tail accessory through threads, the first wire fixing plate is tightly squeezed, and the hole front insulator, the hole rear insulator and the first wire sealing body are bonded into a component through adhesives and fixed in the plug shell through a first fixing clamping jaw;

the socket comprises a square disc shell, a contact pin, a sealing ring, an interface sealing body, a front needle insulator, a second fixing jaw, a rear needle insulator, a second wire sealing body, a second wire fixing plate and a second tail accessory; a front needle insulator and a rear needle insulator are arranged in the square disc shell, a contact pin is axially arranged in the hole cavity of the front needle insulator and the rear needle insulator, an interface sealing body is bonded at the front end of the front needle insulator, a second wire sealing body is bonded at the tail end of the rear needle insulator, a pressing line at the tail end of the contact pin is arranged in the hole cavity of the second wire sealing body, a second wire fixing plate is arranged at the tail end of the second wire sealing body, the tail end of the square disc shell is connected with a second tail accessory through threads to tightly press the second wire fixing plate, the interface sealing body, the front needle insulator, the rear needle insulator and the second wire sealing body are bonded into a component through an adhesive and fixed in the square disc shell through a second fixing clamping jaw, and a sealing ring is arranged in a groove at the front end of the square disc shell;

the plug shell in the plug is fixedly connected with the connecting nut assembly through the parallel ring clamp spring;

the shielding ring of the plug is arranged in the groove on the outer side of the plug shell, and can realize the electrical continuity of the shell of the electric connector after being butted with the socket, so that the electric connector has the electromagnetic shielding property.

Furthermore, the sealing ring, the interface sealing body, the first wire sealing body and the second wire sealing body are all made of silicon rubber, and sealing protection of the electric connector can be achieved.

Further, the first wire fixing plate and the second wire fixing plate are made of polytetrafluoroethylene.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an environment-resistant type heavy current electric connector, plug and socket butt joint back, the accessible sealing washer realizes the sealed of butt joint end, and the first line body of sealing and the second line body of sealing are made for silicon rubber, can realize the sealed to the wire, therefore the product wholly possesses dustproof rain-proof function. Meanwhile, the first wire sealing body and the second wire sealing body at the tail end replace the traditional sealing sleeve, so that the number of components is reduced, the standardization rate is improved, and the operability and the maintainability are improved. The first wire fixing plate and the second wire fixing plate are made of polytetrafluoroethylene, so that the lead can be fixed, stress generated at the connection part of the lead and the contact pin or the jack after the thick lead of the high-current electric connector is clamped by the tail accessory is eliminated, the correct position of the contact pin or the jack in the hole cavity is ensured, and the overall vibration resistance, impact resistance and other mechanical environment performances of the product are improved.

To sum up, the utility model discloses an environment-resistant type heavy current electric connector can realize the high-speed joint separation, has good resistant environment ability and mechanical properties, uses to maintain simple swiftly.

Drawings

Fig. 1 is a schematic view of a plug and socket butt structure of the present invention;

fig. 2 is a schematic structural diagram of the plug of the present invention;

fig. 3 is a schematic view of the socket structure of the present invention;

FIG. 4 is a schematic structural diagram of a first wire fixing plate;

in the figure: 1-a plug; 101-a plug housing; 102-a pre-hole insulator; 103-jack; 104-a shield ring; 105-a coupling nut assembly; 106-looping clamp springs; 107-a first fixed jaw; 108-hole back insulator; 109-a first wire sealing body; 1010-a first thread fixing plate; 1011-first tail attachment; 2-a socket; 201-square disc shell; 202-pin insertion; 203-sealing ring; 204-interface seal; 205-pre-needle insulator; 206-a second fixed jaw; 207-post-pin insulator; 208-a second wire sealing body; 209-a second wire fixing plate; 2010-second tail attachment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, an environment-resistant high-current electrical connector includes a plug 1 and a socket 2 that are butted, where the plug 1 includes a plug housing 101, a front hole insulator 102, a jack 103, a shielding ring 104, a connection nut assembly 105, a parallel-ring snap spring 106, a first fixing claw 107, a rear hole insulator 108, a first wire-sealing body 109, a first wire-fixing plate 1010, and a first tail accessory 1011; a hole front insulator 102 and a hole rear insulator 108 are arranged inside the plug housing 101, the jack 103 is axially arranged in the cavities of the hole front insulator 102 and the hole rear insulator 108, a first wire sealing body 109 is adhered to the tail end of the hole rear insulator 108, a pressing line at the tail end of the jack 103 is arranged in the cavity of the first wire sealing body 109, a first wire fixing plate 1010 is arranged at the tail end of the first wire sealing body 109, the tail end of the plug housing 101 is connected with a first tail accessory 1011 through threads, the first wire fixing plate 1010 is tightly pressed, and the hole front insulator 102, the hole rear insulator 108 and the first wire sealing body 109 are adhered into an assembly through adhesive and fixed in the plug housing 101 through a first fixing claw 107;

the socket 2 comprises a square disc shell 201, a pin 202, a sealing ring 203, an interface sealing body 204, a pin front insulator 205, a second fixing claw 206, a pin rear insulator 207, a second wire sealing body 208, a second wire fixing plate 209 and a second tail accessory 2010; a front needle insulator 205 and a rear needle insulator 207 are installed inside the square disc shell 201, a pin 202 is axially installed in the hole cavity of the front needle insulator 205 and the rear needle insulator 207, an interface sealing body 204 is adhered to the front end of the front needle insulator 205, a second wire sealing body 208 is adhered to the tail end of the rear needle insulator 207, a pressing line at the tail end of the pin 202 is arranged in the hole cavity of the second wire sealing body 208, a second wire fixing plate 209 is installed at the tail end of the second wire sealing body 208, the tail end of the square disc shell 201 is connected with a second tail accessory 2010 through threads to tightly press the second wire fixing plate 209, the interface sealing body 204, the front needle insulator 205, the rear needle insulator 207 and the second wire sealing body 208 are adhered into an assembly through adhesives and fixed in the square disc shell 201 through a second fixing claw 206, and a sealing ring 203 is installed in a groove at the front end of the square disc shell 201;

in the plug 1, the plug shell 101 and the connecting nut assembly 105 are fixedly connected through the parallel ring clamp spring 106, and an anti-loosening structure is designed between the plug shell 101 and the connecting nut assembly 105 and has anti-loosening characteristics.

The shielding ring 104 of the plug 1 is installed in a groove on the outer side of the plug shell 101, and after being butted with the socket 2, the electric continuity of the shell of the electric connector can be realized, so that the whole electric connector has electromagnetic shielding property.

The sealing ring 203, the interface sealing body 204, the first wire sealing body 109 and the second wire sealing body 208 are all made of silicon rubber, and sealing protection of the electric connector can be realized.

Referring to fig. 4, the first wire fixing plate 1010 and the second wire fixing plate 209 are made of teflon, so that the wires can be fixed, stress generated at the connection position of the wires and the pins or the jacks after the thicker wires of the high-current electric connector are clamped by the tail accessories is eliminated, and the correct positions of the pins or the jacks in the hole cavities are ensured.

The butt joint end of the plug 1 and the socket 2 adopts a three-end threaded connection mode, the quick connection and separation characteristics are achieved, and after the plug 1 and the socket 2 are in butt joint in place, the butt joint end is sealed through the sealing ring 203.

The structures of the jack and the pin in the plug 1 and the socket 2 can be interchanged.

The utility model discloses the rated current of product can reach 40 ~ 230A.

The utility model discloses a dress jack, dress contact pin structure in resistant environment type heavy current electric connector plug and the socket can exchange, can realize the high-speed joint separation, have good resistant environment ability and mechanical properties, use to maintain simple swiftly.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. An environment-resistant high-current electric connector comprises a plug and a socket which are butted, and is characterized in that the plug comprises a plug shell, a hole front insulator, a jack, a shielding ring, a connecting nut assembly, a parallel ring clamp spring, a first fixing clamping jaw, a hole rear insulator, a first wire sealing body, a first wire fixing plate and a first tail accessory; a hole front insulator and a hole rear insulator are arranged in the plug shell, the jack is axially arranged in the hole cavity of the hole front insulator and the hole rear insulator, a first wire sealing body is bonded at the tail end of the hole rear insulator, a pressing line at the tail end of the jack is arranged in the hole cavity of the first wire sealing body, a first wire fixing plate is arranged at the tail end of the first wire sealing body, the tail end of the plug shell is connected with a first tail accessory through threads, the first wire fixing plate is tightly squeezed, and the hole front insulator, the hole rear insulator and the first wire sealing body are bonded into a component through adhesives and fixed in the plug shell through a first fixing clamping jaw;

2. The environmentally friendly high current electrical connector as claimed in claim 1, wherein the sealing ring, the interface sealing body, the first wire sealing body and the second wire sealing body are made of silicone rubber, so as to achieve sealing protection of the electrical connector.

3. The environmentally friendly high current electrical connector of claim 1, wherein the first wire retaining plate and the second wire retaining plate are made of polytetrafluoroethylene.