CN212934924U

CN212934924U - Environment-resistant insert type sealing electric connector

Info

Publication number: CN212934924U
Application number: CN202020461419.8U
Authority: CN
Inventors: 郑志超; 邵海丰; 徐赟; 孙钧成; 齐沛瑶
Original assignee: Hangzhou Aerospace Electronic Technology Co Ltd
Current assignee: Hangzhou Aerospace Electronic Technology Co Ltd
Priority date: 2019-12-04
Filing date: 2020-04-01
Publication date: 2021-04-09
Anticipated expiration: 2030-04-01

Abstract

The utility model relates to an environment-resistant insert type sealed electric connector, which comprises a sealed socket, wherein the sealed socket comprises a socket shell, an insulator and a glass sintering insert, the glass sintering insert comprises a sintering seat which is a kovar alloy sintering seat, and the sintering seat is arranged on the socket shell; the utility model has the advantages that: through the assembly of glass sintering inserts with coaxial contact pin and low frequency contact pin in the socket casing, and carry out radial seal through first O shape circle, can be under the prerequisite of guaranteeing sealed effect, the assembly process of product has been simplified, the defect that the welding caused has been avoided, the life of glass sintering inserts is improved, and make sintering seat and socket casing divide into two body processing, the processing degree of difficulty of part has been reduced, the parts machining efficiency has been improved, secondly, set up the sintering seat into kovar alloy sintering seat, thereby save the cost of metal raw and other materials, the design and the sintering process of sintering mould have also been simplified simultaneously, the area of product gold-plated layer has been reduced greatly, the waste of noble metal has been avoided.

Description

Environment-resistant insert type sealing electric connector

Technical Field

The utility model relates to an electric connector field, concretely relates to sealed electric connector of resistant environment inserts formula.

Background

With the continuous development of electronic technology, special working environments put higher demands on the reliability of components such as electrical connectors. For example, in the fields of aviation and aerospace industries, the electrical connector is required to be small, light and reliable, and to have the capability of resisting the adverse environmental effects, such as salt mist resistance, moisture resistance, etc., and in such a case, the electrical connector with air tightness is required to be used. The glass sealing electric connector has the characteristics of higher mechanical strength, better sealing property, high temperature resistance, good electrical property parameters and the like, so that the glass sealing electric connector becomes a high-reliability electric connector used in high-pressure, high-stress and high-temperature occasions. The existing hermetic electric connector is composed of a housing and a glass body assembly arranged in the housing, wherein a contact and a sintered plate are combined together by a glass sintering method to form the glass body assembly, and the glass body assembly is welded together by a welding material between the sintered plate and the housing, as disclosed in chinese patent CN 206947606U. The existing airtight electric connector has the problems that: the welded joint has lower strength and poorer heat resistance; the base material and the solder have larger composition difference, and cause electrochemical corrosion to cause poorer corrosion resistance; the thermal stress is large during welding, so that mutual extrusion between the shell of the electric connector and the glass body assembly occurs, the glass body in the glass body assembly can be damaged in serious conditions, and the glass body is cracked to cause air leakage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach the purpose provide an electric connector is sealed to resistant environment inserts formula, solve among the current vitreous body subassembly vitreous body fracture and lead to the technical problem of gas leakage.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: an environment-resistant insert-type sealed electric connector comprises a sealed socket, wherein the sealed socket comprises a socket shell, an insulator and a glass sintered insert, the glass sintering insert comprises a sintering seat, a coaxial contact pin and a low-frequency contact pin, the coaxial contact pin comprises a contact pin outer conductor, a contact pin middle conductor and a contact pin inner conductor from outside to inside, the pin outer conductor, the pin middle conductor, the pin inner conductor and the low-frequency pin are sintered on the sintering seat through glass insulators, the coaxial contact pin is arranged on an insulator, the insulator is arranged on a sintering seat, the sintering seat is a kovar alloy sintering seat, the sintering seat is arranged on the socket shell, and the socket shell is provided with a first O-shaped ring for radially sealing the sintering seat, a radial limiting mechanism is arranged between the socket shell and the sintering seat, and an axial positioning mechanism is further arranged in the socket shell.

Preferably, the radial limiting mechanism comprises a first convex rib and a first groove which are matched with each other, the first convex rib is arranged on the sintering seat, and the first groove is arranged on the socket shell.

Preferably, the first convex rib and the sintering seat are of an integrated structure.

Preferably, the axial positioning mechanism includes a pressing sleeve and a second O-ring disposed on the pressing sleeve, the pressing sleeve is disposed on the socket housing and sealed by the second O-ring, and the insulator is disposed in the pressing sleeve.

Preferably, the pressing sleeve is further provided with a tool positioning groove.

Preferably, a third O-ring is further disposed on the insulator, and the insulator is sealed on the pressing sleeve through the third O-ring.

Preferably, an insulating cover plate is further arranged in the pressing sleeve, and a sealing gasket is further arranged between the insulating cover plate and the insulator.

Preferably, the insulating cover plate is provided with a low-frequency jack connected with the low-frequency contact pin.

Preferably, a second convex rib and a second groove which are matched with each other are arranged between the insulator and the sintering seat, the second convex rib is arranged on the insulator, and the second groove is arranged on the sintering seat.

Preferably, a fourth O-ring is disposed on the coaxial pin.

To sum up, the utility model has the advantages that: the coaxial contact pin and the low-frequency contact pin are assembled in the socket shell through the glass sintering insert, radial sealing is carried out through the first O-shaped ring, the assembling process of a product is simplified on the premise of ensuring the sealing effect, the defect caused by welding is avoided, the service life of the glass sintering insert is prolonged, the sintering seat and the socket shell are divided into two parts for processing, the processing difficulty of parts is reduced, the processing efficiency of parts is improved, secondly, the sintering seat is arranged into a kovar alloy sintering seat, so that the cost of metal raw materials is saved, meanwhile, the design and the sintering process of a sintering mold are simplified, the area of a gold-plated layer of the product is greatly reduced, the waste of precious metal is avoided, the production cost of the electric connector is reduced, the contact pin outer conductor, the contact pin intermediate conductor and the contact pin inner conductor are sintered on the sintering seat through a glass insulator, and the high integration of the product is realized through the sintering of three-layer contact elements, the volume of the product is reduced, the reliability of the product is improved, and finally, the axial positioning mechanism is used for axially positioning the glass sintering insert in the socket shell, so that the fixing quality of the glass sintering insert is improved.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic structural view of the environment-resistant insert-type sealed electrical connector according to the present invention when a plug and a socket are inserted;

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

FIG. 3 is a schematic structural view of a glass sintered insert according to the present invention;

fig. 4 is a schematic structural diagram of the socket housing according to the present invention;

fig. 5 is a schematic structural view of the axial positioning mechanism of the present invention;

fig. 6 is a schematic structural diagram of the middle insulator of the present invention.

Reference numerals:

the plug comprises a sealed socket 1, a socket shell 2, a glass sintered insert 3, an insulator 4, a sintered seat 5, a coaxial pin 6, a low-frequency pin 7, an outer conductor of a pin 8, a middle conductor of a pin 9, an inner conductor of a pin 10, a glass insulator 11, a first O-shaped ring 12, an axial positioning mechanism 13, a first convex rib 14, a first groove 15, a pressing sleeve 16, a second O-shaped ring 17, a tooling positioning groove 18, a third O-shaped ring 19, an insulating cover plate 20, a sealing gasket 21, a low-frequency jack 22, a second convex rib 23, a second groove 24, a fourth O-shaped ring 25 and a plug 26.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, an environment-resistant insert-type sealed electrical connector includes a sealed socket 1 and a plug 26, the plug 26 is disposed on the sealed socket 1, the plug 26 is a prior art, the sealed socket 1 includes a socket housing 2, an insulator 4, and a glass sintered insert, the glass sintered insert includes a sintered base 5, a coaxial pin 6, and a low-frequency pin 7, the coaxial pin 6 includes a pin outer conductor 8, a pin intermediate conductor 9, and a pin inner conductor 10 from outside to inside, the pin outer conductor 8, the pin intermediate conductor 9, the pin inner conductor 10, and the low-frequency pin 7 are sintered on the sintered base 5 through a glass insulator 11, the coaxial pin 6 is disposed on the insulator 4, the insulator 4 is disposed on the sintered base 5, the sintered base 5 is a kovar sintered base 5, sintering seat 5 sets up on socket housing 2, and is equipped with on socket housing 2 to sintering seat 5 radial seal's first O shape circle 12, be equipped with radial stop gear between socket housing 2 and the sintering seat 5, still be equipped with axial positioning mechanism 13 in the socket housing 2.

The coaxial pin 6 and the low-frequency pin 7 are assembled in the socket shell 2 through the glass sintering insert, radial sealing is carried out through the first O-shaped ring 12, the assembly process of a product is simplified on the premise of ensuring the sealing effect, the defect caused by welding is avoided, the service life of the glass sintering insert is prolonged, the sintering seat 5 and the socket shell 2 are processed in two parts, the processing difficulty of parts is reduced, the processing efficiency of parts is improved, secondly, the sintering seat 5 is arranged into the kovar alloy sintering seat 5, the cost of metal raw materials is saved, meanwhile, the design and the sintering process of a sintering mold are simplified, the area of a gold-plated layer of the product is greatly reduced, the waste of precious metals is avoided, the production cost of an electric connector is reduced, the pin outer conductor 8, the pin middle conductor 9 and the pin inner conductor 10 are sintered on the sintering seat 5 through the glass insulator 11, the sintering of the three layers of contact elements realizes the high integration of products, is beneficial to reducing the volume of the products and improving the reliability of the products, and finally, the axial positioning mechanism 13 is used for axially positioning the glass sintering insert in the socket shell 2, so that the fixing quality of the glass sintering insert is improved.

Radial stop gear is including the first protruding muscle 14 and the first recess 15 of mutually supporting, first protruding muscle 14 sets up on sintering seat 5, first recess 15 sets up on socket shell 2, can not only realize spacing on the 5 circumferencial directions of sintering seat, enables the quick installation on socket shell 2 of sintering seat moreover, improves sintering seat 5's installation effectiveness, first protruding muscle 14 and sintering seat 5 formula structure as an organic whole can optimize the mounting process of first protruding muscle 14 and sintering seat 5, improves the installation intensity of whole sintering seat 5, avoids first protruding muscle 14 to slide for socket shell 2's dislocation in the installation, has improved sintering seat 5's fixed quality.

Axial positioning mechanism 13 includes pressing sleeve 16 and the second O shape circle 17 of setting on pressing sleeve 16, pressing sleeve 16 sets up on socket shell 2 and seals through second O shape circle 17, insulator 4 sets up in pressing sleeve 16, and whole simple structure can ensure axial positioning mechanism 13 and socket shell 2's sealing performance, and sets up insulator 4 in pressing sleeve 16, can play limiting displacement to insulator 4, still be equipped with frock constant head tank 18 on pressing sleeve 16, be favorable to pressing sleeve 16's assembly, and the quantity of frock constant head tank 18 can be set for according to the assembly fixture.

The insulator 4 is also provided with a third O-shaped ring 19, the insulator 4 is sealed on the pressing sleeve 16 through the third O-shaped ring 19, the sealing effect between the insulator 4 and the pressing sleeve 16 can be realized, and, in order to improve the installation efficiency of the third O-ring 19, the present embodiment is provided with fixing grooves on the insulator 4, an insulating cover plate 20 is further arranged in the pressing sleeve 16, a sealing gasket 21 is further arranged between the insulating cover plate 20 and the insulator 4, axial positioning of the insulator 4 in the pressing sleeve 16 can be achieved, the sealing effect between the insulating cover plate 20 and the insulator 4 can be ensured due to the arrangement of the sealing gasket 21, a low-frequency jack 22 connected with the low-frequency contact pin 7 is arranged on the insulating cover plate 20, the low-frequency plug pin 7 is switched through the low-frequency jack 22, so that the axial length of the whole contact element of the product is satisfied, the production difficulty of the contact element is reduced, the production efficiency is improved, and meanwhile, the generalization and serialization of the contact element are realized.

The coaxial pin 6 is provided with the fourth O-shaped ring 25, sealing between the coaxial pin 6 and the insulator 4 can be realized, and sealing performance can be improved.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. An environment-resistant insert-type sealed electric connector comprises a sealed socket and is characterized in that: sealed socket includes socket shell, insulator and glass sintering inserts, the glass sintering inserts includes sintering seat, coaxial contact pin and low frequency contact pin, by outer to interior coaxial contact pin includes contact pin outer conductor, contact pin intermediate conductor and contact pin inner conductor, contact pin outer conductor, contact pin intermediate conductor and contact pin inner conductor and low frequency contact pin all pass through the sintering of glass insulator on the sintering seat, coaxial contact pin sets up on the insulator, the insulator sets up on the sintering seat, the sintering seat is the alloy sintering seat that can cut, the sintering seat sets up on socket shell, and is equipped with on the socket shell to the first O shape circle of sintering seat radial seal, be equipped with radial stop gear between socket shell and the sintering seat, still be equipped with axial positioning mechanism in the socket shell.

2. The environmentally insert-resistant sealed electrical connector of claim 1, wherein: radial stop gear is including the first protruding muscle and the first recess of mutually supporting, first protruding muscle sets up on the sintering seat, first recess sets up on the socket casing.

3. The environmentally insert-resistant sealed electrical connector of claim 2, wherein: the first convex rib and the sintering seat are of an integrated structure.

4. The environmentally insert-resistant sealed electrical connector of claim 1, wherein: the axial positioning mechanism comprises a pressing sleeve and a second O-shaped ring arranged on the pressing sleeve, the pressing sleeve is arranged on the socket shell and sealed through the second O-shaped ring, and the insulator is arranged in the pressing sleeve.

5. The environmentally insert-resistant sealed electrical connector of claim 4, wherein: the pressing sleeve is also provided with a tool positioning groove.

6. The environmentally insert-resistant sealed electrical connector of claim 4, wherein: and the insulator is also provided with a third O-shaped ring, and the insulator is sealed on the pressing sleeve through the third O-shaped ring.

7. The environmentally insert-resistant sealed electrical connector of claim 6, wherein: an insulating cover plate is further arranged in the pressing sleeve, and a sealing gasket is further arranged between the insulating cover plate and the insulator.

8. The environmentally insert-resistant sealed electrical connector of claim 7, wherein: and the insulating cover plate is provided with a low-frequency jack connected with the low-frequency contact pin.

9. The environmentally insert-resistant sealed electrical connector of claim 6, wherein: and a second convex rib and a second groove which are matched with each other are arranged between the insulator and the sintering seat, the second convex rib is arranged on the insulator, and the second groove is arranged on the sintering seat.

10. The environmentally insert-resistant sealed electrical connector of claim 1, wherein: and a fourth O-shaped ring is arranged on the coaxial contact pin.