CN210517232U

CN210517232U - Cluster radio frequency coaxial connector

Info

Publication number: CN210517232U
Application number: CN201921753939.XU
Authority: CN
Inventors: 李国强; 练高兵
Original assignee: Sichuan Hongfa Electroacoustic Co ltd
Current assignee: Sichuan Hongfa Electroacoustic Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-05-12
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a radio frequency coaxial connector tied in a bundle has a pair of plug-in components A and plug-in components B that connect the plug-in components A and B of inserting the cooperation each other, plug-in components A have as the contact pin of inner conductor, as the shell of outer conductor, plug-in components B have as the jack of inner conductor, as the elasticity plug of outer conductor; when the plug-in unit A and the plug-in unit B are in a plug-in fit state, a contact pin of the plug-in unit A is inserted into a jack of the plug-in unit B, the peripheral surface of the contact pin is in contact with the inner peripheral surface of the jack, an elastic plug of the plug-in unit B is inserted into a shell of the plug-in unit A, the outer peripheral surface of the elastic plug is in contact with the inner peripheral surface of the shell, the elastic plug of the plug-in unit B is of a tubular structure and is provided with corrugated sections, and a plurality of notches are uniformly distributed in the circumferential direction.

Description

Cluster radio frequency coaxial connector

Technical Field

The utility model relates to a radio frequency connector especially relates to a radio frequency coaxial connector tied in a bundle.

Background

The microwave transmission system is generally connected and separated by radio frequency connectors among functional modules in the wireless communication equipment, between an antenna and a transceiver module, between various radio frequency coaxial cables, a microstrip circuit, a printed circuit and the like, when multiple lines are parallel, a plurality of cables are combined and grouped and then are installed and connected through a bundling connector, as shown in figures 1 and 2, in the traditional bundling connector, an inner conductor is a contact pin 3 and a jack 1 which are matched, but

outer conductors

4 and 2 are end face contacts, the requirement on parallelism of two end faces is high, intermodulation stability is poor, the contact pin 3 and the jack 1 of a central contact element are small, the supporting strength is low, and the requirement on the insertion position degree is high. Therefore, it is necessary to redesign a connection method to overcome the above disadvantages.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a radial contact and outer conductor through the elastic component are prior to the structure of inner conductor contact, and this structure is not only connected reliably, and intermodulation stability is good, has protected the inner conductor moreover better.

The technical solution of the utility model is that:

a cluster radio frequency coaxial connector is provided with a pair of plug-in A and plug-in B which are mutually inserted and matched, and is characterized in that the plug-in A is provided with a contact pin as an inner conductor and a shell as an outer conductor, and the plug-in B is provided with a jack as an inner conductor and an elastic plug as an outer conductor; when the plug-in unit A and the plug-in unit B are in a plug-in fit state, the pins of the plug-in unit A are inserted into the jacks of the plug-in unit B, the peripheral surfaces of the pins are in contact with the inner peripheral surfaces of the jacks, the elastic plug of the plug-in unit B is inserted into the shell of the plug-in unit A, and the outer peripheral surface of the elastic plug is in contact with the inner peripheral surfaces of the shell.

The elastic plug of the plug-in component B is of a tubular structure and is provided with a corrugated section, and a plurality of gaps which are uniformly distributed in the circumferential direction are formed in the elastic plug, so that the elastic plug has the elastic performance of radial expansion and contraction.

The front end of the inner circumferential surface of the shell of the plug-in component A is provided with a chamfer to form a bell mouth, so that the elastic plug of the plug-in component B can be conveniently guided to be inserted.

The sizes and relative position relations of all parts of the cluster radio frequency coaxial connector meet the following requirements: when the plug-in unit A and the plug-in unit B are plugged, the plug of the plug-in unit B is firstly contacted with the shell of the plug-in unit A to play a guiding role, and the contact pin of the plug-in unit A is contacted with the jack of the plug-in unit B.

The utility model has the advantages that:

1. the outer conductor elastic plug is in radial circumferential contact with the inner wall of the shell, so that the contact is more stable, the intermodulation stability is correspondingly improved, and the stability of the performance of products is prevented from being adversely affected by vibration and the like.

2. Before the inner conductor contacts, the elastic outer contact part contacts with the shell to be inserted in a guiding mode, the phenomenon that the inner conductor with weak strength is damaged is avoided, the connection stability of the inner conductor is improved, the machining precision of the inner conductor is reduced, and therefore cost is reduced.

Drawings

FIG. 1 is an enlarged view of the structure and end face of a conventional RF coaxial connector

FIG. 2 is an enlarged view of the insertion state and the end face fitting relationship of FIG. 1

FIG. 3 is a structural diagram of the RF coaxial connector

FIG. 4 is a schematic view of the inserted state of FIG. 3

FIG. 5 is a schematic view of the contact surface of FIG. 3

FIG. 6 is a schematic view of the contact surface of FIG. 4

FIG. 7 is a perspective view of the radial elastic plug

FIG. 8 is an enlarged view of the port structure of the housing

The reference numbers in the figures mean: a-a right plug-in; b-a left plug-in; 1-inner conductor jack; 2-outer conductor elastic plug; 3-inner conductor pin; 4-outer conductor (housing); 2.1-corrugated section of the elastic plug of the outer conductor; 2.2-the opening of the elastic plug of the outer conductor.

Detailed Description

Referring to fig. 3, the bundled rf coaxial connector has a pair of plug a and plug B which are plug-in fitted to each other, the plug a having a pin 3 as an inner conductor and a housing 4 as an outer conductor, and the plug B having a socket 1 as an inner conductor and an elastic plug 2 as an outer conductor.

Referring to fig. 7, the elastic plug 2 of the plug-in unit B is a tubular structure, has a corrugated section 2.1, and is provided with a plurality of notches 2.2 uniformly distributed in the circumferential direction, the front half section of the radial elastic plug 2 is divided into a plurality of spring pieces, and the spring pieces surround into a circle, so that the elastic plug 2 has elastic performance of radial expansion and contraction.

Referring to fig. 8, the front end of the inner circumferential surface of the housing of the insert a is chamfered to form a bell mouth for guiding the insertion of the elastic plug of the insert B.

Referring to fig. 4, when the plug a and the plug B are in the plug-fit state, the pins 3 of the plug a are inserted into the insertion holes 1 of the plug B, the peripheral surfaces of the pins 3 are in contact with the inner peripheral surfaces of the insertion holes 1, and the elastic plugs 2 of the plug B are inserted into the housing 4 of the plug a.

Referring to fig. 5 and 6, the outer peripheral surface of the elastic plug 2 is in contact with the inner peripheral surface of the housing 4 in a radial circumferential contact manner, so that the contact is more stable, the intermodulation stability is correspondingly improved, and the stability of the product performance caused by adverse effects such as vibration is prevented.

In addition, when designing the cluster radio frequency coaxial connector, the following requirements are met by taking the dimensions and relative position relationship of the parts into consideration: when the plug-in unit A and the plug-in unit B are inserted, the elastic plug 2 of the plug-in unit B is firstly contacted with the shell 4 of the plug-in unit A to play a guiding role, and the pin 3 of the plug-in unit A is contacted with the jack 1 of the plug-in unit B. Therefore, the contact pin 3 and the jack 1 can be protected, the connection stability of the inner conductor is improved, and the service life of the inner conductor is prolonged.

Claims

1. A cluster radio frequency coaxial connector is provided with a pair of plug-in A and plug-in B which are mutually inserted and matched, and is characterized in that the plug-in A is provided with a contact pin as an inner conductor and a shell as an outer conductor, and the plug-in B is provided with a jack as an inner conductor and an elastic plug as an outer conductor; when the plug-in unit A and the plug-in unit B are in a plug-in fit state, the pins of the plug-in unit A are inserted into the jacks of the plug-in unit B, the peripheral surfaces of the pins are in contact with the inner peripheral surfaces of the jacks, the elastic plug of the plug-in unit B is inserted into the shell of the plug-in unit A, and the outer peripheral surface of the elastic plug is in contact with the inner peripheral surfaces of the shell.

2. The bundled radio frequency coaxial connector as claimed in claim 1, wherein the elastic plug of the plug-in unit B is a tubular structure having a corrugated section, and a plurality of gaps are formed in the tubular structure and uniformly distributed in the circumferential direction, so that the plug has elastic properties of radial expansion and contraction.

3. The bundled radio frequency coaxial connector as claimed in claim 1, wherein the front end of the inner peripheral surface of the housing of the insert a is chamfered to form a bell mouth for guiding the insertion of the elastic plug of the insert B.

4. The bundled radio frequency coaxial connector of claim 1, wherein the dimensions and relative positional relationship of the components of the bundled radio frequency coaxial connector satisfy the following requirements: when the plug-in unit A and the plug-in unit B are plugged, the plug of the plug-in unit B is firstly contacted with the shell of the plug-in unit A to play a guiding role, and the contact pin of the plug-in unit A is contacted with the jack of the plug-in unit B.