CN219393902U

CN219393902U - Quick-plug type SMA connector

Info

Publication number: CN219393902U
Application number: CN202320261008.8U
Authority: CN
Inventors: 刘航舟
Original assignee: Shenzhen Yufutong Electronic Technology Co ltd
Current assignee: Shenzhen Yufutong Electronic Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-07-21
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a quick-plug type SMA connector which comprises a female connector and a male connector, wherein the female connector comprises a first main body, a second main body and a shell, wherein the first main body comprises an inner cavity, a first central needle is arranged in the inner cavity of the first main body, a clamp spring is arranged at one end of the first main body, a first blocking structure is arranged at one end of the second main body and is sleeved at the end part of the first main body to fix the clamp spring, the shell is sleeved at the periphery of the second main body, through holes penetrating through the middle parts of the second main body and the shell are respectively arranged in the middle parts of the second main body and the shell, the male connector comprises a third main body with an inner cavity, a second central needle is arranged in the inner cavity of the third main body, an opening is arranged at one end of the third main body, the opening end can be inserted into the through holes to realize the opposite plug of the first central needle and the second central needle, and the connector can have good anti-vibration capability and is not easy to fall off, meanwhile, the insertion loss can be reduced, and the electrical performance and the mechanical performance can be improved.

Description

Quick-plug type SMA connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a quick-plug type SMA connector.

Background

SMA connectors are suitable for applications in the microwave domain in the frequency range up to 26.5 GHz. Application areas such as telecommunications, networking, wireless communications, and detection and measurement instrumentation. It has the characteristics of wide frequency band, excellent performance, high reliability and long service life. However, most SMA connectors currently applied in the market adopt a threaded opposite locking structure, which is time-consuming and labor-consuming in the process of opposite locking and disassembling, so that SMA connectors with quick-insertion structures are derived, but the SMA connectors with quick-disassembly structures have weak vibration resistance and risk of falling.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the quick-plug type SMA connector which has good vibration resistance and is not easy to fall off, and meanwhile, the insertion loss can be reduced, and the electrical property and the mechanical property are improved.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a quick-plugging type SMA connector, includes female joint and public joint, said female joint is including first main part, second main part and the shell that contains the inner chamber, be provided with first center needle in the inner chamber of first main part, the one end of first main part is provided with the jump ring, the one end of second main part is provided with first blocking structure and cup joints in the tip of first main part and realize fixing the jump ring, the shell cup joints in the periphery of second main part, the middle part of second main part and shell all is provided with the through-hole that runs through, public joint is including the third main part that contains the inner chamber, be provided with the second center needle in the inner chamber of third main part, the one end of third main part is equipped with the opening, the accessible with the open end inserts to the through-hole realizes first center needle and the opposite directions of second center needle.

As a further improvement of the above, the blocking structure is a ring structure provided at an end of the second body.

As a further improvement of the scheme, the periphery of the third main body is provided with a groove, and the groove can be tightly buckled with the clamping spring to realize locking when the female connector and the male connector are inserted.

As a further improvement of the above scheme, the outer periphery of the first main body and the second main body are fixedly connected by riveting.

As a further improvement of the scheme, a limiting structure is arranged between the first main body and the shell, the limiting structure comprises a first protruding structure arranged on the periphery of the first main body and an inner buckling structure arranged at the end part of the shell, and the limiting structure can prevent the shell from falling off from the main body due to the elasticity of the clamp spring.

As a further improvement of the scheme, the first main body is provided with a platform and a guide inclined plane which are matched with the clamp spring.

As a further improvement of the above scheme, the first main body and the third main body are made of brass.

As a further improvement of the above-mentioned aspect, the first body inner cavity is provided with a first insulator, the first insulator is disposed at an outer periphery of an end of the first center needle away from the second center needle, a second insulator is disposed in the second body inner cavity, and the second insulator is disposed at an outer periphery of an end of the second center needle away from the first center needle.

As a further improvement of the above, a gap is provided between the end of the housing and the end of the second body.

The beneficial effects of the utility model are as follows:

the quick-plug type SMA connector provided by the utility model has the advantages that the snap spring is arranged between the male connector and the female connector, so that the connector has good vibration resistance and is not easy to fall off, the insertion loss can be reduced, and the electrical property and the mechanical property are improved.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic illustration of a female connector of the present utility model;

FIG. 2 is a schematic view of a male connector of the present utility model;

FIG. 3 is a structural exploded view of the female connector of the present utility model;

FIG. 4 is a schematic view of the overall assembly of the connector of the present utility model;

fig. 5 is a cross-sectional view taken along A-A in fig. 4.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.

Referring to fig. 1 to 5, a quick-connect SMA connector comprises a female connector 1 and a male connector 2, wherein the female connector 1 and the male connector 2 are inserted in pairs to form the connector of the utility model.

The female connector 1 comprises a first main body 16 containing an inner cavity, a second main body 12 and a shell 11, wherein a first central needle 14 and a first insulator 15 are arranged in the inner cavity of the first main body 16, the first insulator 15 is provided with a first central through hole and is positioned at one end of the female connector 1 away from the male connector 2, and one end of the first central needle 14 is inserted into the first central through hole. The end of the first body 16 remote from the first insulator 15 is provided with a first opening through which the male connector and the female connector are inserted.

The end of the first main body 16, which is far away from the first insulator 15, is provided with a clamping spring 13, and the end of the first main body 16 is provided with a platform 162 and a guiding inclined plane 163, which are matched with the clamping spring, so that the clamping spring 13 is convenient to assemble. The second main body 12 is sleeved on the outer periphery of the first main body 16, the outer periphery of the first main body 16 and the inner periphery of the second main body 12 are fixedly connected by riveting, an annular first blocking structure 121 is arranged at the end part of the second main body 12, the first blocking structure 121 can fix the clamp spring 13, and a first through hole is formed in the center of the first blocking structure 121 and used for providing a channel for connecting the female connector 1 and the male connector 2.

The housing 11 is sleeved on the outer periphery of the second main body 12, and the housing 11 is provided with an annular second blocking structure 112, and the second blocking structure 112 can perform a limiting function on the second main body 12. The second blocking structure 112 is provided with a second through hole in the center to provide a channel for connecting the female connector 1 with the male connector 2.

A gap is provided between the second blocking structure 112 of the housing 11 and the first blocking structure 121 of the second body, and the gap may be used as a movable space of the housing 11, and may move in the axial direction of the connector in the gap when the housing 11 is subjected to an external force.

A limiting structure is arranged between the first main body 16 and the housing 11, the limiting structure is composed of a first protruding structure 161 on the periphery of the first main body 16 and an inner buckling structure 111 at the end of the housing 11, and the limiting structure can prevent the housing 11 from falling off from the first main body 16 due to the elastic force of the clamp spring 13.

The male connector 2 comprises a third main body 21 with an inner cavity, a second central needle 22 and a second insulator 23 are arranged in the inner cavity of the third main body 21, the second insulator 23 is provided with a second central through hole and is positioned at one end of the male connector 2 far away from the female connector 1, one end of the second central needle 22 is inserted into the second central through hole, one end of the third main body 21 far away from the second insulator 23 is provided with a second opening, and the male connector 2 and the female connector 1 are inserted into each other through the second opening.

The periphery of third main part 21 is provided with recess 211, recess 211 can be to the realization to the lock with jump ring 13 tight knot when female joint 1 and male joint 2 are to the inserted, improves the stability of connection and is difficult for taking place to drop.

In this embodiment, the first body 16 and the third body 21 are made of brass.

When the locking device is used, the shell 11 is pressed towards the second main body 12 with force along the axial direction of the female connector 1, the clamp spring 13 is extruded and spread, at the moment, the end part of the third main body 21 of the male connector 2 is inserted into the first opening of the female connector 1, the first center pin 14 and the second center pin 22 are used for opposite-plug connection signals, the pressed shell 11 is released, and the clamp spring 13 has elastic property and can rebound and be tightly buckled with the groove 211 at the periphery of the third main body 21, so that the locking purpose is realized. When the connector is disassembled, the shell 11 is also only required to be pressed, the inner diameter of the clamp spring 13 is expanded by tension, the male connector 2 is pulled out to interrupt signal transmission, the convenient opposite inserting effect can be realized through the connector, the inserted connector is quite stable, and the connector has good vibration resistance.

While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. A quick-plug type SMA connector is characterized by comprising a female connector and a male connector,

the female connector comprises a first main body containing an inner cavity, a second main body and a shell, wherein a first central needle is arranged in the inner cavity of the first main body, a clamp spring is arranged at one end of the first main body, a first blocking structure is arranged at one end of the second main body and is sleeved at the end part of the first main body to fix the clamp spring, the shell is sleeved at the periphery of the second main body, through holes penetrating through the middle parts of the second main body and the shell are respectively arranged,

the male connector comprises a third main body with an inner cavity, a second central needle is arranged in the inner cavity of the third main body, an opening is formed in one end of the third main body, and the first central needle and the second central needle can be inserted through the opening end into the through hole.

2. A quick connect SMA connector according to claim 1, wherein said blocking structure is a ring-shaped structure provided at an end of the second body.

3. The quick connect SMA connector of claim 1, wherein the third body has a groove on its outer periphery, and the groove is adapted to be locked with a snap spring when the female connector is inserted into the male connector.

4. The quick connect SMA connector of claim 1, wherein the outer periphery of the first body is fixedly connected to the second body by riveting.

5. The quick-connect SMA connector of claim 1, wherein a limiting structure is disposed between the first main body and the housing, the limiting structure includes a first protrusion structure disposed on the periphery of the first main body and an inner fastening structure disposed on an end of the housing, and the limiting structure can prevent the housing from falling off from the main body due to the elasticity of the snap spring.

6. The quick connect SMA connector of claim 1, wherein said first body is provided with a platform and a guiding ramp adapted to said snap spring.

7. The quick connect SMA connector of claim 1, wherein said first and third bodies are made of brass.

8. The quick connect SMA connector of claim 1, wherein said first body cavity is provided with a first insulator disposed on an outer periphery of said first central pin at an end thereof remote from said second central pin, and wherein said second body cavity is provided with a second insulator disposed on an outer periphery of said second central pin at an end thereof remote from said first central pin.

9. A quick connect SMA connector according to claim 1, characterized in that a gap is provided between the end of the housing and the end of the second body.