CN213845604U

CN213845604U - High fixity connector

Info

Publication number: CN213845604U
Application number: CN202023111915.XU
Authority: CN
Inventors: 文艺博; 陈浩伟; 张刚柱; 杜康; 党作红; 李龙
Original assignee: Avic Fushida Technology Co ltd
Current assignee: Avic Fushida Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-07-30
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to a high fixity connector, including the central conductor, first insulating medium, second insulating medium, third insulating medium, the clamping ring, the bush, shell and sealing washer, open 2/3 with second insulating medium along its central line, the central conductor joint is in second insulating medium, the bush is also installed in second insulating medium, third insulating medium is installed in the central conductor, the clamping ring is installed in third insulating medium, the assembly that above-mentioned part formed sets up in the shell, first insulating medium and sealing washer are also installed in the shell simultaneously, this application has promoted the axial holding power of central conductor and insulating medium by a wide margin and has prevented changeability, the central conductor has been solved, insulating medium rotates and the risk of drunkenness.

Description

High fixity connector

Technical Field

The utility model belongs to the technical field of the space flight connector, especially, relate to a high fixity connector.

Background

The radio frequency coaxial connector plays a role in connecting a transmission line, a microstrip circuit and a printed circuit board circuit link in microwave transmission, has the advantages of wide working frequency band, convenience in connection and the like, and is widely applied to the fields of aerospace systems, microwave communication engineering and military weapons.

Traditional radio frequency connector adopts central conductor straight line annular knurl + barb, shell to dash the barb structure and satisfy standard requirement for satisfying the requirement of relevant standard to each series of connector central conductor fixity, but along with aerospace technology's development, under special service condition, to the central conductor fixity requirement of connector more and more high, traditional fixed mode has inner conductor axial float and pivoted risk in the use.

The structural design scheme is shown in figure 1 specifically, the central conductor is axially prevented from channeling and rotating through a structure of a step, a barb and a straight knurling as shown in figure 1 with an insulating medium, and the insulating medium is realized through a structure of a step, a piercing barb and a shell as shown in figure 1 with an insulating medium.

Although the existing structure can ensure that the central conductor has certain axial retention force and torque resistance, when the axial force or the torque exceeds a standard range, the structure has the risk of axial movement and rotation of the inner conductor and the insulating medium.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high fixity connector can promote the axial holding power of center conductor and insulating medium by a wide margin and prevent changeing the ability, strengthens center conductor's fixity, solves the above-mentioned risk that the background art exists.

In order to solve the problems in the background art, the utility model discloses a realize through following technical scheme:

a high-fixity connector comprises a central conductor, a first insulating medium, a second insulating medium, a third insulating medium, a pressure ring, a bushing, a shell and a sealing ring;

cutting 2/3 the second insulating medium along the central line thereof, the central conductor being clamped in the second insulating medium, the bushing also being mounted in the second insulating medium, the third insulating medium being mounted in the central conductor, and the press ring being mounted in the third insulating medium;

the assembly formed by the above components is disposed in a housing, while the first insulating medium and the seal ring are also mounted in the housing.

As a further explanation of the utility model: the central conductor is provided with a groove, the central conductor in the groove is of a double-milling flat structure, and the second insulating medium is clamped in the groove and clamps the double-milling flat structure on the central conductor.

As a further explanation of the utility model: the second insulating medium is clamped by the step structure of the shell and the pressure ring, and a positioning hole is formed in the second insulating medium.

As a further explanation of the utility model: the press ring is in interference fit with the shell and fixed in the inner hole of the shell, and a positioning pin matched with the positioning hole is further arranged on the press ring.

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

1. this application is through locating central conductor's recess with first insulating medium card in, and set up central conductor in its recess into two flat structures of milling, carries out the centre gripping to it through second insulating medium, realizes that central conductor's axial is prevented scurrying and is prevented changeing.

2. This application is tight through the step mechanism and the clamp ring that adopt the shell to press from both sides the second insulating medium, and the locating hole that sets up on the second insulating medium and set up on the clamp ring with the locating pin of locating hole configuration, realize that the axial of second insulating medium is prevented scurrying and is prevented changeing.

3. This application adopts interference fit's mode through clamping ring and shell for the clamping ring is fixed in the shell hole, thereby realizes simultaneously that central conductor and insulating medium's axial is prevented scurrying and is prevented changeing.

Drawings

FIG. 1 is a schematic structural diagram of the prior art of the present invention;

FIG. 2 is a schematic view of a half-section structure of the present invention;

FIG. 3 is a schematic cross-sectional view taken along A-A of FIG. 2;

fig. 4 is a schematic structural diagram of the center conductor of the present invention;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 4;

fig. 6 is a schematic structural view of a second insulating medium according to the present invention;

fig. 7 is a schematic view of the mechanism of the press ring of the present invention.

Description of the reference numerals

1. A center conductor; 2. a first insulating medium; 3. a second insulating medium; 4. a third insulating medium; 5. pressing a ring; 6. a bushing; 7. a housing; 8. a seal ring; 9. a groove; 10. double milling flat structure; 11. positioning holes; 12. and a positioning pin.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 in specific cases to those skilled in the art.

As shown in fig. 1 to 7, the high-fixability connector includes a center conductor 1, a first insulating medium 2, a second insulating medium 3, a third insulating medium 4, a pressure ring 5, a bushing 6, a housing 7, and a seal ring 8.

Specifically, a groove 9 is formed in the central conductor 1, the central conductor 1 in the groove 9 is provided with a double-milling flat structure 10, and the second insulating medium 3 is clamped in the groove 9 and clamps the double-milling flat structure 10 on the central conductor 1.

The second insulating medium 3 is by the stair structure of shell 7 with clamping ring 5 presss from both sides tightly, just is in locating hole 11 has been seted up on the second insulating medium 3, clamping ring 5 with shell 7 interference fit, it is fixed in the hole of shell 7 still be provided with on clamping ring 5 with locating hole 11 cooperation setting's locating pin 12.

The application provides a high fixity connector's assembly process includes: firstly, a first insulating medium 2 is loaded into a piece shell 7, then a second insulating medium 3 is cut 2/3 along the center line, a central conductor 1 is clamped into the second insulating medium 3, a bushing 6 is loaded into the second insulating medium 3, a third insulating medium 4 is loaded into the central conductor 1, a pressure ring 5 is loaded into the third insulating medium 4, then the central conductor 1, the second insulating medium 3, the third insulating medium 4, the pressure ring 5 and the bushing 6 are pressed into the shell 7 together, and finally a sealing ring 8 is loaded into the shell 7 to complete the assembling process of the assembly drawing.

When the pressure ring 5 is installed in the third insulating medium 4, the positioning pins 12 of the pressure ring 5 are aligned with the hole positions of the second insulating medium 3.

The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.

Claims

1. A high-fixity connector, comprising: the transformer comprises a central conductor, a first insulating medium, a second insulating medium, a third insulating medium, a pressure ring, a bushing, a shell and a sealing ring;

2. A high-fixability connector as claimed in claim 1, wherein: the central conductor is provided with a groove, the central conductor in the groove is of a double-milling flat structure, and the second insulating medium is clamped in the groove and clamps the double-milling flat structure on the central conductor.

3. A high-fixability connector as claimed in claim 1, wherein: the second insulating medium is clamped by the step structure of the shell and the pressure ring, and a positioning hole is formed in the second insulating medium.

4. A high-fixability connector as claimed in claim 3, wherein: the press ring is in interference fit with the shell and fixed in the inner hole of the shell, and a positioning pin matched with the positioning hole is further arranged on the press ring.