CN219180900U

CN219180900U - QMK type quick-plug self-locking radio frequency coaxial connector

Info

Publication number: CN219180900U
Application number: CN202223415356.0U
Authority: CN
Inventors: 代文鹏; 戴国俊; 刘尊林; 杜怀亮; 靳小乐
Original assignee: Jiangsu Zhengdi Microwave Technology Co ltd
Current assignee: Jiangsu Zhengdi Microwave Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-13
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a QMK type quick-plug self-locking radio frequency coaxial connector, which comprises a radio frequency coaxial connector shell and a plug, wherein one side of the shell is connected with a front shell, one side of the front shell is connected with a screw sleeve, one side of the screw sleeve is provided with a notch, the inside of the notch is provided with a plurality of groups of steel balls, the inner periphery of the front shell is provided with a plurality of groups of positioning holes, and the plurality of groups of positioning holes are positioned on one side of the notch of the screw sleeve so that the steel balls are exposed into the front shell through the positioning holes; the periphery of the plug is provided with a ring groove; the plug is inserted into the outer shell, and the steel ball is clamped in the annular groove through the positioning hole, so that the connection between the plug and the front shell is completed. According to the utility model, the connection locking mode between the connector and the plug can be changed on the premise of not changing the standard interface of the connector, and the threaded mode is changed into the clamping groove mode, so that the connection efficiency between the connector and the plug is greatly improved.

Description

QMK type quick-plug self-locking radio frequency coaxial connector

Technical Field

The utility model relates to a QMK type quick-plug self-locking radio frequency coaxial connector.

Background

A radio frequency coaxial connector (RF connector for short) is generally considered to be a component attached to a cable or mounted on an instrument as a component to which a transmission line is electrically connected or disconnected. It belongs to the electromechanical integrated product. It simply speaking acts primarily as a bridge.

When the existing QMK type radio frequency coaxial connector is in butt joint with a plug, the screw threads of the matching part between the two are manually screwed, so that the connection between the QMK type radio frequency coaxial connector and the plug can be realized, but the efficiency is lower for the use environment of mass production line test, so that the QMK type quick-plug self-locking radio frequency coaxial connector is provided.

Disclosure of Invention

The utility model aims to provide a QMK type quick-plug self-locking radio frequency coaxial connector, which aims to solve the problem that the traditional QMK type radio frequency coaxial connector and a plug are low in connection efficiency in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: a QMK type quick-plug self-locking radio frequency coaxial connector comprises a radio frequency coaxial connector shell and a plug,

one side of the shell is connected with a front shell, one side of the front shell is connected with a screw sleeve, one side of the screw sleeve is provided with a notch, the inside of the notch is provided with a plurality of groups of steel balls,

a plurality of groups of positioning holes are formed in the inner periphery of the front shell, and the positioning holes are positioned at one side of the screw sleeve notch so that the steel balls are exposed to the inside of the front shell through the positioning holes;

the periphery of the plug is provided with a ring groove;

the plug is inserted into the outer shell, and the steel ball is clamped in the annular groove through the positioning hole, so that the connection between the plug and the front shell is completed.

Preferably, a spring is connected to the outer circumference of the front housing to elastically move the screw sleeve around the outer circumference of the front housing.

Preferably, the inner circumference of the screw sleeve is provided with an inner groove, so that the screw sleeve presses the spring at the outer circumference of the front shell through the inner groove.

Preferably, one side of the notch is provided with a bevel part, so that the screw sleeve presses the steel ball inside the notch when elastically returning to move, and the steel ball is pressed into the positioning hole.

Preferably, the diameter of the locating hole is smaller than the diameter of the steel ball so that the steel ball moves radially in the slot.

Preferably, the radian of the ring groove is matched with the radian of the steel ball, so that the steel ball is connected to the periphery of the plug.

Preferably, an insulator is arranged on the inner periphery of the outer shell, one side of the insulator is connected with a contact head, and a contact pin which is inserted with a plug is arranged in the contact head.

Preferably, one side of the outer shell body far away from the insulator is provided with an insulating gasket, one side of the outer shell body far away from the outer shell body is provided with a rear shell, one side of the rear shell body is connected with a tail sleeve, and a welding sleeve is arranged in the tail sleeve.

Preferably, a groove is formed in one side of the front shell, an air cushion is arranged in the groove, a rubber cushion is connected to one side of the air cushion, and a concave arc groove is formed in the periphery of the rubber cushion.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, on the premise of not changing the standard interface of the connector, the connection locking mode between the connector and the plug is changed from the threaded mode to the clamping groove mode, so that the connection efficiency between the connector and the plug is greatly improved, meanwhile, the structure is simple, the operation is convenient, and the quick connection can be completed without excessive complicated steps;

the air cushion on one side of the front shell is arranged, so that when the plug is inserted into one side of the front shell, the connecting rubber cushion is extruded and attached to the periphery of the plug, the connection tightness between the plug and the front shell is improved, and the connection effect between the plug and the front shell is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 3 is an enlarged schematic view of a structure at a in an embodiment of the present utility model.

In the figure: 1. a contact pin; 2. an insulator; 3. a front housing; 301. positioning holes; 302. a groove; 4. a rear housing; 5. a contact; 6. an insulating spacer; 7. welding a sleeve; 8. a tail sleeve; 9. a housing; 10. a steel ball; 11. a spring; 12. a screw sleeve; 1201. a notch; 1202. a bevel portion; 1203. an inner groove; 13. a plug; 1301. a ring groove; 14. an air cushion; 15. rubber cushion.

Detailed Description

In order to solve the problem that the traditional QMK type radio frequency coaxial connector is low in connection efficiency with a plug, the embodiment of the utility model provides a QMK type quick-plug self-locking radio frequency coaxial connector. The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a QMK type quick-plug self-locking rf coaxial connector, comprising an rf coaxial connector housing 9 and a plug 13,

one side of the shell 9 is connected with a front shell 3, one side of the front shell 3 is connected with a screw sleeve 12, and an inner groove 1203 is formed in the inner periphery of the screw sleeve 12 so that the screw sleeve 12 presses a spring 11 on the outer periphery of the front shell 3 through the inner groove 1203; a notch 1201 is formed in one side of the screw sleeve 12, and a slope part 1202 is formed in one side of the notch 1201, so that the screw sleeve 12 presses the steel ball 10 in the notch 1201 when elastically returning to move, and the steel ball is pressed into the positioning hole 301; a plurality of groups of steel balls 10 are arranged in the notch 1201, and a spring 11 is connected to the periphery of the front shell 3 so as to elastically move a screw sleeve 12 on the periphery of the front shell 9; a plurality of groups of positioning holes 301 are formed in the inner periphery of the front shell 3, and the plurality of groups of positioning holes 301 are positioned on one side of the notch 1201 of the screw sleeve 12 so that the steel balls 10 are exposed to the inside of the front shell 3 through the positioning holes 301; a groove 302 is formed in one side of the front shell 3, an air cushion 14 is arranged in the groove 302, one side of the air cushion 14 is connected with a rubber cushion 15, and a concave arc groove is formed in the periphery of the rubber cushion 15; through the air cushion 14 that sets up, can extrude air cushion 14 when plug 13 inserts preceding casing 3, drive cushion 15 laminating in plug 13 periphery to through concave arc groove, cushion 15 can adsorb in plug 13 periphery, improves the frictional force between the two.

The periphery of the plug 13 is provided with a ring groove 1301; the radian of the annular groove 1301 is matched with the radian of the steel ball 10, so that the steel ball 10 is connected to the periphery of the plug 13; the plug 13 is inserted into the outer shell 9, and the steel ball 10 is clamped in the annular groove 1301 through the positioning hole 301, so that the connection between the plug 13 and the front shell 9 is completed; the diameter of the positioning hole 301 is smaller than the diameter of the steel ball 10 so that the steel ball 10 moves radially in the notch 1201;

an insulator 2 is arranged on the inner periphery of the outer shell 9, one side of the insulator 2 is connected with a contact 5, and a contact pin 1 which is inserted with a plug 13 is arranged in the contact 5; one side of shell body 9 far away from insulator 2 is provided with insulating gasket 6, and one side of shell body 9 far away from shell body 9 is provided with back shell 4, and one side of back shell 4 is connected with tail cover 8, and the inside of tail cover 8 is provided with welding cover 7.

The working principle of the QMK type quick-plug self-locking radio frequency coaxial connector provided by the utility model is as follows: when the connecting screw sleeve 12 is used, the connecting screw sleeve 12 moves backwards, the spring 11 positioned on the periphery of the outer shell 9 is extruded through the inner groove 1203, so that the spring 11 is stressed to generate certain compression deformation, the screw sleeve 12 is driven to move backwards, the steel ball 10 at the front end of the screw sleeve 12 is placed in the notch 1201, at the moment, the plug 13 to be plugged is plugged into the shell 9 and connected with the contact pin 1, the annular groove 1301 on the periphery of the plug 13 is positioned on one side of the positioning hole 301, then the acting force of hands on the screw sleeve 12 is released, the stress of the spring 11 is weakened, the screw sleeve 12 is driven to move forwards to elastically move, the inclined surface part 1202 extrudes the steel ball 10, the steel ball 10 is exposed into the outer shell 9 through the positioning hole 301, and the steel ball 10 is connected into the annular groove 1301 to fix the plug 13.

Meanwhile, when the plug 13 is inserted, the cushion 14 positioned on the inner periphery of the front shell 3 is extruded through the cushion 15, the cushion 14 is stressed to generate certain elastic deformation to generate elastic force, the cushion 15 acts on the outer periphery of the plug 13, the concave arc groove on one side of the cushion 15 generates adaptive deformation, the plug 13 is attached to the outer periphery of the plug 13, and the gap filling between the front shell 3 and the plug 13 is met through the cushion 15 and the cushion 14.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a QMK formula inserts auto-lock radio frequency coaxial connector soon which characterized in that: comprises a radio frequency coaxial connector shell (9) and a plug (13),

one side of the shell (9) is connected with a front shell (3), one side of the front shell (3) is connected with a screw sleeve (12), one side of the screw sleeve (12) is provided with a notch (1201), the inside of the notch (1201) is provided with a plurality of groups of steel balls (10),

a plurality of groups of positioning holes (301) are formed in the inner periphery of the front shell (3), and the plurality of groups of positioning holes (301) are positioned on one side of a notch (1201) of the screw sleeve (12) so that the steel ball (10) is exposed to the inside of the front shell (3) through the positioning holes (301);

the periphery of the plug (13) is provided with a ring groove (1301);

the plug (13) is inserted into the outer shell (9), and the steel ball (10) is clamped in the annular groove (1301) through the positioning hole (301), so that connection between the plug (13) and the front shell (9) is completed.

2. The QMK quick-plug self-locking radio frequency coaxial connector of claim 1, wherein: the periphery of the front shell (3) is connected with a spring (11) so as to enable the screw sleeve (12) to elastically move at the periphery of the front shell (9).

3. The QMK quick-plug self-locking radio frequency coaxial connector of claim 2, wherein: an inner groove (1203) is formed in the inner periphery of the screw sleeve (12) so that the screw sleeve (12) presses a spring (11) on the outer periphery of the front shell (3) through the inner groove (1203).

4. A QMK-type quick-plug self-locking radio frequency coaxial connector according to claim 3, wherein: one side of the notch (1201) is provided with a bevel part (1202) so that the screw sleeve (12) presses the steel ball (10) in the notch (1201) when elastically returning to move, and the steel ball is pressed into the positioning hole (301).

5. The QMK type quick-plug self-locking radio frequency coaxial connector of claim 4, wherein: the diameter of the positioning hole (301) is smaller than that of the steel ball (10) so that the steel ball (10) moves radially in the notch (1201).

6. The QMK quick-plug self-locking radio frequency coaxial connector of claim 5, wherein: the radian of the annular groove (1301) is matched with the radian of the steel ball (10) so that the steel ball (10) is connected to the periphery of the plug (13).

7. The QMK quick-plug self-locking radio frequency coaxial connector of claim 6, wherein: the novel socket is characterized in that an insulator (2) is arranged on the inner periphery of the outer shell (9), one side of the insulator (2) is connected with a contact head (5), and a contact pin (1) which is inserted with a plug (13) is arranged in the contact head (5).

8. The QMK quick-plug self-locking radio frequency coaxial connector of claim 7, wherein: one side that insulator (2) was kept away from to shell body (9) is provided with insulating gasket (6), one side that shell body (9) was kept away from to shell body (9) is provided with back shell (4), one side of back shell (4) is connected with tail cover (8), the inside of tail cover (8) is provided with and welds cover (7).

9. The QMK quick-plug self-locking radio frequency coaxial connector of claim 8, wherein: a groove (302) is formed in one side of the front shell (3), an air cushion (14) is arranged in the groove (302), a rubber cushion (15) is connected to one side of the air cushion (14), and a concave arc groove is formed in the periphery of the rubber cushion (15).