Coaxial connector with double-layer protective sleeve

Abstract

The utility model relates to the technical field of coaxial connectors, in particular to a coaxial connector with a double-layer protective sleeve, which comprises a bayonet socket and a connecting plug, one end of the bayonet socket is fixedly connected with a first protective shell and a central column, the central column is connected with the connecting plug through a central joint, and positioning blocks are welded and fixed on the upper side and the lower side of the connecting plug. A sealing gasket is arranged on the outer side of the center column, and a second protective shell is rotationally connected to the outer side of the first protective shell through a clockwork spring; the first protective shell comprises a first cylindrical shell, an annular groove is formed in the outer side of the first cylindrical shell, and a guide groove is formed in the inner side of the first cylindrical shell; according to the utility model, in the use process of the coaxial connector, double-layer protection is realized, gaps at the joint of the coaxial connector can be protected at the same time, and the problems that the joint of the coaxial connector is loosened, dust enters the joint and the operation stability of the coaxial connector is influenced can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to coaxial connector technical field, concretely is a kind of coaxial connector with double-layer protective sleeve. BACKGROUND

[0002] RF coaxial connector is a kind of key electronic components for high-frequency signal transmission, widely used in communication, broadcasting, medical equipment and military fields, they are designed by inner conductor and outer conductor, with high-efficiency transmission of RF signal in coaxial mode, while providing shielding to reduce signal interference;

[0003] RF coaxial connector has low insertion loss, high isolation and excellent frequency characteristics, ensures the integrity of signal transmission and system performance, in addition, such connector is easy to install and disassemble, supports fast connection and disconnection, is indispensable component in modern wireless communication technology;

[0004] Coaxial connector in the process of use, if there is no protective structure at connecting gap, it is easy to be loose due to external force, and dust is easily attached, affect the stability of coaxial connector in the process of use, therefore, aiming at above-mentioned problem, a kind of coaxial connector with double-layer protective sleeve is provided. SUMMARY

[0005] The utility model aims at providing a kind of coaxial connector with double-layer protective sleeve, to solve the problem that coaxial connector is loose due to external force in the process of use if there is no protective structure at connecting gap, and dust is easily attached, affect the stability of coaxial connector in the process of use.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of coaxial connector with double-layer protective sleeve, including plug-in seat and plug-in head, the plug-in seat one end is fixedly connected with first protective shell and center column, the center column is connected with plug-in head by center joint, the plug-in head upper and lower side are all welded with fixed positioning block, the plug-in head side is fixedly connected with guide block, the center column outer side is equipped with sealing pad, the first protective shell outer side is rotationally connected with second protective shell by clock spring;The first protective shell includes first column shell, ring groove is arranged in the first column shell outer side, guide groove is arranged in the first column shell inner side;The second protective shell includes second column shell, ring plate is fixedly connected on the second column shell one end inner side, clamping groove is arranged in the second column shell other end inner side, positioning groove and guide inclined plane are arranged in the clamping groove inside.

[0008] As the further optimization of the utility model, wherein: the center column is installed inside the first protective shell, the sealing gasket is arranged inside the first protective shell close to one side of the plug-in seat, and a plurality of through holes are formed in the sealing gasket in a ring shape.

[0009] As the further optimization of the utility model, wherein: the clockwork spring is arranged inside the ring groove, the clockwork spring is fixedly connected with the first column shell through the ring groove, the outer side of the clockwork spring is fixedly connected with the second column shell, two ring plates are arranged, the clockwork spring is arranged between the ring plates, and the ring plates are rotationally connected with the first column shell through the ring groove.

[0010] As the further optimization of the utility model, wherein: the guide groove is provided with two, the guide groove and the guide block are one-to-one corresponding, and the opening of the guide groove away from the plug-in seat is provided in a V shape.

[0011] As the further optimization of the utility model, wherein: the clamping groove is provided with two, the clamping groove and the positioning block are one-to-one corresponding, the side, away from the plug-in seat, of the positioning block is provided in a plane, and the side, close to the plug-in seat, of the positioning block is provided in a curved surface.

[0012] As the further optimization of the utility model, wherein: the plug-in seat, the center column, the plug-in head and the center joint are coaxial, and the edge of the center column, away from the plug-in seat, is arc-shaped.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] In the utility model, the first protective shell and the second protective shell are arranged, so that the coaxial connector can be protected in double layers during use, the gap at the connection position of the coaxial connector can be protected, the connection position of the coaxial connector can be prevented from loosening and dust from entering, and the problem that the coaxial connector cannot operate stably can be solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a sealing gasket installation position structure schematic view of the utility model;

[0017] Figure 3 It is a first protective shell structure schematic view of the utility model;

[0018] Figure 4 It is a second protective shell structure schematic view of the utility model.

[0019] In the drawing: 1, plug-in seat;

[0020] 2, first protective shell; 21, first column shell; 22, ring groove; 23, guide groove;

[0021] 3, the second protective shell; 31, the second column shell; 32, the ring plate; 33, the clamping groove; 34, the positioning groove; 35, the guide inclined surface;

[0022] 4, the clockwork spring; 5, the center column; 6, the plug; 7, the center joint; 8, the guide block; 9, the positioning block; 10, the sealing gasket. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0026] A coaxial connector with double-layer protective sleeve, comprising a plug-in seat 1 and a plug 6, the plug-in seat 1 one end fixedly connected with the first protective shell 2 and the center column 5, the center column 5 is connected with the plug 6 through the center joint 7, the plug 6 upper and lower side are all welded with the positioning block 9, the plug 6 side fixedly connected with the guide block 8, the center column 5 outside is equipped with the sealing gasket 10, the first protective shell 2 outside is rotatably connected with the second protective shell 3 through the clockwork spring 4;The first protective shell 2 includes the first column shell 21, the first column shell 21 outside is equipped with the ring groove 22, and the first column shell 21 inside is equipped with the guide groove 23;The second protective shell 3 includes the second column shell 31, the second column shell 31 one end inside fixedly connected with the ring plate 32, the second column shell 31 other end inside is equipped with the clamping groove 33, and the clamping groove 33 is equipped with the positioning groove 34 and the guide inclined surface 35 inside.

[0027] As a further implementation of the scheme, the center column 5 is installed inside the first protective shell 2, the sealing gasket 10 is arranged on the side close to the plug-in seat 1 inside the first protective shell 2, and a plurality of through holes are annularly arranged inside the sealing gasket 10, which can improve the sealing effect of the connection between the plug-in seat 1 and the plug 6;

[0028] As a further implementation of the scheme, the clock spring 4 is arranged inside the ring groove 22, the inside of the clock spring 4 is fixedly connected with the first column shell 21 through the ring groove 22, the outside of the clock spring 4 is fixedly connected with the second column shell 31, two ring plates 32 are arranged, the clock spring 4 is arranged between the ring plates 32, and the ring plate 32 is rotatably connected with the first column shell 21 through the ring groove 22. Through the above arrangement, the stability of the clock spring 4 during operation can be improved, and the clock spring 4 can be protected;

[0029] As a further implementation of the scheme, the guide groove 23 is provided with two guide grooves 23 corresponding to the guide blocks 8 one by one, and the opening on the side away from the plug-in seat 1 of the guide groove 23 is provided in a V shape. Through the above arrangement, the positioning block 9 can be aligned with the clamping groove 33.

[0030] As a further implementation of the scheme, the clamping groove 33 is provided with two clamping grooves 33 corresponding to the positioning blocks 9 one by one, the side of the positioning block 9 away from the plug-in seat 1 is provided in a plane, and the side of the positioning block 9 close to the plug-in seat 1 is provided in a curved surface. Through the above arrangement, the smoothness of the connection between the positioning block 9 and the positioning groove 34 can be improved.

[0031] As a further implementation of the scheme, the plug-in seat 1, the center column 5, the plug-in head 6 and the center joint 7 are coaxial, and the edge of the end of the center column 5 away from the plug-in seat 1 is arc-shaped. Through the above arrangement, the stability of the coaxial connector during overall use can be further improved.

[0032] Work flow: in the process of plugging the coaxial connector provided with double-layer protective sleeve, the worker directly inserts the plug-in head 6 into the first protective shell 2 and the second protective shell 3 arranged on one side of the plug-in seat 1, and the guide block 8 moves into the first protective shell 2 along the guide groove 23 in the process of insertion. The guide block 8 can realize positioning of the entering position in the process of movement, and in this process, the positioning block 9 will be separated from the guide inclined surface 35, and the second column shell 31 will rotate, so that the positioning block 9 slides off the guide inclined surface 35 and enters the positioning groove 34 for positioning. After positioning is completed, the positioning block 9 will be stabilized in the positioning groove 34 under the action of the clock spring 4, and the coaxial connector after plugging can realize double-layer protection through the first protective shell 2 and the second protective shell 3.

[0033] When disassembly is needed later, the worker rotates the second column shell 31, so that the positioning block 9 is removed from the positioning groove 34, and at the same time, under the rebound of the sealing gasket 10, the positioning block 9 can be assisted to move out of the clamping groove 33. After the positioning block 9 is removed, the disassembly of the coaxial connector is completed.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coaxial connector provided with a double protection sleeve, comprising a plug socket (1) and a plug (6), characterized in that: One end of the plug-in seat (1) is fixedly connected with a first protective shell (2) and a center column (5), the center column (5) is connected with a plug-in head (6) through a center joint (7), the plug-in head (6) is fixedly welded with a positioning block (9) on the upper and lower sides, the plug-in head (6) is fixedly connected with a guide block (8) on the side, the outer side of the center column (5) is provided with a sealing gasket (10), the outer side of the first protective shell (2) is rotatably connected with a second protective shell (3) through a clock spring (4). The first protective shell (2) comprises a first column shell (21), the outer side of the first column shell (21) is provided with a ring groove (22), and the inner side of the first column shell (21) is provided with a guide groove (23). The second protective shell (3) comprises a second column shell (31), one end of the second column shell (31) is fixedly connected with a ring plate (32) on the inner side, the other end of the second column shell (31) is provided with a clamping groove (33) on the inner side, and the clamping groove (33) is provided with a positioning groove (34) and a guide inclined surface (35) on the inner side.

2. A coaxial connector provided with a double protection sleeve according to claim 1, characterized in that: The center column (5) is installed in the first protective shell (2), the sealing gasket (10) is arranged on the side close to the plug-in seat (1) in the first protective shell (2), and a plurality of through holes are formed in the sealing gasket (10) in a ring shape.

3. A coaxial connector provided with a double protection sleeve according to claim 1, characterized in that: The clock spring (4) is arranged in the ring groove (22), the clock spring (4) is fixedly connected with the first column shell (21) through the ring groove (22) on the inner side, the clock spring (4) is fixedly connected with the second column shell (31) on the outer side, the ring plate (32) is provided with two, the clock spring (4) is arranged between the ring plates (32), and the ring plate (32) is rotatably connected with the first column shell (21) through the ring groove (22).

4. A coaxial connector provided with a double protection sleeve according to claim 1, characterized in that: The guide groove (23) is provided with two, the guide groove (23) and the guide block (8) are one-to-one corresponding, and the opening of the guide groove (23) away from the plug-in seat (1) is provided in a V shape.

5. A coaxial connector provided with a double protection sleeve according to claim 1, characterized in that: The clamping groove (33) is provided with two, the clamping groove (33) and the positioning block (9) are one-to-one corresponding, the side of the positioning block (9) away from the plug-in seat (1) is provided in a plane, and the side of the positioning block (9) close to the plug-in seat (1) is provided in an arc surface.

6. A coaxial connector provided with a double protection sleeve according to claim 1, characterized in that: The plug-in seat (1), the center column (5), the plug-in head (6) and the center joint (7) are coaxial, and the edge of the center column (5) away from the plug-in seat (1) is arc-shaped.

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