CN113113816B

CN113113816B - Radio frequency coaxial connector convenient to installation is dismantled

Info

Publication number: CN113113816B
Application number: CN202110443102.0A
Authority: CN
Inventors: 徐中明
Original assignee: Zhenjiang Zhongming Electronics Co ltd
Current assignee: Zhenjiang Zhongming Electronics Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-05-06
Anticipated expiration: 2041-04-23
Also published as: CN113113816A

Abstract

The invention discloses a radio frequency coaxial connector convenient to mount and dismount, which comprises a main body and a plug, wherein the plug is inserted into one side of the main body, the main body comprises a sleeve, an inner cylinder is arranged inside one end of the sleeve, and an outer cylinder is sleeved outside one end, far away from the sleeve, of the inner cylinder. According to the invention, the first convex surface is tightly attached to the first inclined surface, the platform is tightly attached to the plane, and the second convex surface is tightly attached to the second inclined surface, at the moment, the top end and the bottom end of the first inclined surface and the top end and the bottom end of the second inclined surface are clamped and contacted with each other at four inflection points between the clamping plate and the clamping groove, so that certain meshing force and separating force exist between the clamping plate and the clamping groove, the plug and the main body are fixedly clamped and connected, when the plug and the clamping groove are required to be separated, a user slides the outer barrel leftwards to expose the insertion end of the plug, and then pulls the plug rightwards to separate the clamping plate from the clamping groove.

Description

Radio frequency coaxial connector convenient to installation is dismantled

Technical Field

The invention relates to the technical field of connectors, in particular to a radio frequency coaxial connector convenient to mount and dismount.

Background

The radio frequency coaxial connector is used for transmitting radio frequency signals, has a wide transmission frequency range which can reach 18GHz or higher, is mainly used for radar, communication, data transmission and aerospace equipment, and has a basic structure comprising: a center conductor (male or female center contact); a dielectric material outside the inner conductor, otherwise known as an insulator; the outermost is an outer contact which functions as an outer shield for the coaxial cable, i.e. to transmit signals, as a shield or as a grounding element for the circuit.

However, most of the radio frequency coaxial connectors on the market adopt a threaded connection mode, auxiliary tools such as a wrench are needed during connection, assembly and separation cannot be rapidly achieved, an operation space is needed by using tools, and operation is difficult.

Therefore, it is desirable to provide a radio frequency coaxial connector that is easy to assemble and disassemble to solve the above problems.

Disclosure of Invention

The invention aims to provide a radio frequency coaxial connector convenient to mount and dismount, wherein a plug is inserted into a main body, a first convex surface is tightly attached to a first inclined surface, a platform is tightly attached to a plane, and a second convex surface is tightly attached to a second inclined surface.

In order to achieve the above purpose, the invention provides the following technical scheme: a radio frequency coaxial connector convenient to mount and dismount comprises a main body and a plug, wherein the plug is inserted into one side of the main body;

the main body comprises a sleeve, an inner cylinder is arranged inside one end of the sleeve, an outer cylinder is sleeved outside one end, far away from the sleeve, of the inner cylinder, a bushing is arranged inside one end, far away from the inner cylinder, of the outer cylinder, a spring is sleeved on the surface of the outer side, close to the inner cylinder, of one end of the bushing, the inner wall of the bushing is provided with a first insulator, and an inner conductor is arranged inside the first insulator;

the plug comprises a first shell, a second shell is arranged in the first shell, a contact head is arranged in the second shell, a clamping plate is arranged at one end, away from the first shell, of the contact head, a second insulator is arranged in the contact head, and a blind hole is formed in the second insulator;

the urceolus is kept away from telescopic one end inner wall and is fixed and be equipped with first arch, the outside fixed surface that the bush is located first protruding one side is equipped with the second arch, the outside surface that the bush is located second protruding one side has seted up the draw-in groove.

Preferably, the inner diameter of the left end of the inner cylinder is smaller than that of the right end of the inner cylinder, and one end, close to the sleeve, of the bushing is fixedly connected with the inner wall of the inner cylinder.

Preferably, the first protrusion is circular, the second protrusion is circular, and the first protrusion is in contact with the second protrusion.

Preferably, one end of the spring is in contact with the side wall of the inner cylinder, the other end of the spring is in contact with the first protrusion, and the blind hole is matched with the inner conductor.

Preferably, the clamping groove is at least composed of three surfaces, namely a plane, a first inclined surface and a second inclined surface, the first inclined surface is arranged on one side close to the second protrusion, and the plane is arranged between the first inclined surface and the second inclined surface.

Preferably, the cardboard comprises platform, first convex surface and second convex surface trilateral at least, the one side of contact is kept away from to the cardboard is established to first convex surface, the plane is established between first convex surface and second convex surface.

Preferably, the clamping plate is matched with the clamping groove.

Preferably, one side of the first bulge, which is close to the opening of the outer barrel, is obliquely arranged, and the insertion end of the clamping plate is chamfered.

In the technical scheme, the invention provides the following technical effects and advantages:

the invention inserts the plug into the main body, the first convex surface is firstly inserted into the clamping groove and is finally clung to the first inclined surface, at the moment, the platform is tightly clung to the plane, the second convex surface is tightly clung to the second inclined surface, the inserting end of the clamping plate is contacted with the right end of the second bulge, so that the clamping plate is fully and tightly clung to the clamping groove, at the moment, the top end of the first inclined surface, the bottom end of the second inclined surface and the top end of the second inclined surface are clamped and contacted at four inflection points between the two, even if the clamping plate and the clamping groove have certain engaging force and separating force, so that the plug and the main body are fixedly clamped and connected, when needing to be separated, a user slides the outer cylinder leftwards to expose the inserting end of the plug, and then pulls the plug rightwards to separate the clamping plate and the clamping groove, compared with the prior art, the device directly adopts a push-pull clamping mode to realize the connection and the separation of the plug and the main body when in actual use, when the connecting and disassembling process is carried out, auxiliary tools such as a wrench and the like are not needed, the connecting and disassembling process can be simply carried out by inserting and pulling out the connecting and disassembling process, and the connecting and disassembling process has enough locking force and is easy to operate.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front sectional view of the main body of the present invention;

FIG. 3 is a schematic front cross-sectional view of the plug of the present invention;

FIG. 4 is a perspective view of the main body of the present invention;

fig. 5 is a perspective view of the fig. plug of the present invention.

Description of the reference numerals:

the connector comprises a main body 1, a plug 2, a sleeve 11, an inner cylinder 12, an outer cylinder 13, a bushing 14, a spring 15, a first insulator 16, an inner conductor 17, a first outer shell 21, a second outer shell 22, a contact 23, a clamping plate 24, a second insulator 25, a blind hole 26, a first protrusion 3, a second protrusion 4, a clamping groove 5, a plane 51, a first inclined plane 52, a second inclined plane 53, a platform 241, a first convex surface 242 and a second convex surface 243.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The invention provides a radio frequency coaxial connector convenient to mount and dismount as shown in figures 1-5, which comprises a main body 1 and a plug 2, wherein the plug 2 is inserted into one side of the main body 1;

the main body 1 comprises a sleeve 11, an inner cylinder 12 is arranged in one end of the sleeve 11, an outer cylinder 13 is sleeved outside one end, far away from the sleeve 11, of the inner cylinder 12, a bushing 14 is arranged in one end, far away from the inner cylinder 12, of the outer cylinder 13, a spring 15 is sleeved on the outer surface of one end, close to the inner cylinder 12, of the bushing 14, a first insulator 16 is arranged on the inner wall of the bushing 14, and an inner conductor 17 is arranged in the first insulator 16;

the plug 2 comprises a first shell 21, a second shell 22 is arranged inside the first shell 21, a contact 23 is arranged inside the second shell 22, a clamping plate 24 is arranged at one end, far away from the first shell 21, of the contact 23, a second insulator 25 is arranged inside the contact 23, and a blind hole 26 is formed inside the second insulator 25;

the outer barrel 13 is far away from the fixed first arch 3 that is equipped with of one end inner wall of sleeve 11, the outside fixed surface that bush 14 is located first arch 3 one side is equipped with second arch 4, draw-in groove 5 has been seted up to the outside surface that bush 14 is located second arch 4 one side.

Further, in the above technical solution, the inner diameter of the left end of the inner cylinder 12 is smaller than the inner diameter of the right end, and one end of the bushing 14 close to the sleeve 11 is fixedly connected to the inner wall of the inner cylinder 12.

Further, in the above technical solution, the first protrusion 3 is annular, the second protrusion 4 is annular, the first protrusion 3 contacts with the second protrusion 4, the outer cylinder 13 and the inner cylinder 12 are away from each other under the action of the elastic force of the spring 15, and the first protrusion 3 and the second protrusion 4 limit the maximum moving distance of the outer cylinder 13.

Further, in the above technical solution, one end of the spring 15 contacts with the side wall of the inner cylinder 12, the other end of the spring 15 contacts with the first protrusion 3, and the blind hole 26 matches with the inner conductor 17.

Further, in the above technical solution, the card slot 5 at least comprises three surfaces, namely a plane 51, a first inclined surface 52 and a second inclined surface 53, the first inclined surface 52 is disposed at a side close to the second protrusion 4, and the plane 51 is disposed between the first inclined surface 52 and the second inclined surface 53, so that a plurality of inflection points exist inside the card slot 5, and the locking force between the card board 24 and the card slot 5 is improved after the plug 2 is inserted.

Further, in the above technical solution, the card plate 24 at least includes three surfaces, namely, a platform 241, a first convex surface 242 and a second convex surface 243, the first convex surface 242 is disposed on a side of the card plate 24 away from the contact 23, and the plane 51 is disposed between the first convex surface 242 and the second convex surface 243, and is used in cooperation with the card slot 5.

Further, in above-mentioned technical scheme, cardboard 24 and draw-in groove 5 phase-match when cardboard 24 inserts inside draw-in groove 5, make the cooperation between the two be interference fit to have permanent holding power after making the two block.

Further, in the above technical solution, one side of the first protrusion 3 close to the opening of the outer cylinder 13 is obliquely arranged, and the insertion end of the snap-gauge 24 is chamfered, so as to facilitate the insertion of the snap-gauge 24.

The implementation mode is specifically as follows: when the plug is used, a user inserts the plug 2 into the main body 1, so that the clamping plate 24 is inserted into the main body 1 along the outer side of the bushing 14, under the condition that the first protrusion 3 is limited, the clamping plate 24 is prevented from tightly attaching to the outer side of the bushing 14, the first convex surface 242 positioned at the left side of the clamping plate 24 is firstly inserted into the clamping groove 5 and finally tightly attached to the first inclined surface 52, at the moment, the platform 241 is tightly attached to the plane 51, the second convex surface 243 is tightly attached to the second inclined surface 53, the insertion end of the clamping plate 24 is contacted with the right end of the second protrusion 4, so that the clamping plate 24 is fully and tightly attached to the clamping groove 5, at the moment, clamping inflection points at four positions of the top end of the first inclined surface 52, the bottom end of the second inclined surface 53 and the top end of the second inclined surface 53 exist between the two, even if a certain engaging force and separating force exist between the clamping plate 24 and the clamping groove 5, so that the plug 2 is fixedly clamped with the main body 1, the two are completely meshed to realize the self-locking of the radio frequency coaxial connector, the clamping groove 5 can be also provided with three or more inclined planes and a plane 51, meanwhile, the clamping plate 24 can also be provided with three or more convex surfaces and a platform 241, so that the contact inflection points between the clamping plate 24 and the clamping groove 5 are increased, the meshing force between the clamping plate and the clamping groove is improved, the two ends of the spring 15 are tightly attached to the outer barrel 13 and the first bulge 3, so that the first bulge 3 is tightly attached to the second bulge 4, the inserted plug 2 is effectively covered, namely, the outer side of the plug 2 is limited, so that the stability after the plug 2 is inserted is ensured, when the plug 2 and the main body 1 need to be separated, a user only needs to apply force to the left to slide the outer barrel 13, at the moment, the outer side of the insertion end of the plug 2 is exposed, the stability is reduced, and the clamping plate 24 can be separated from the clamping groove 5 by applying force to the right to pull the plug 2 again, thereby accomplish the separation of plug 2 and main part 1, and urceolus 13 can reset under the effect of spring 15 elasticity, prepares for using next time, and this embodiment has specifically solved present radio frequency coaxial connector and has mostly adopted the threaded connection mode, need use appurtenance such as spanner during the connection, and unable quick realization equipment, separation, and use tool needs operating space, and the operation is difficult.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.

Claims

1. The utility model provides a radio frequency coaxial connector convenient to installation is dismantled, includes main part (1) and plug (2), its characterized in that: the plug (2) is inserted into one side of the main body (1);

the main body (1) comprises a sleeve (11), an inner cylinder (12) is arranged inside one end of the sleeve (11), an outer cylinder (13) is sleeved outside one end, far away from the sleeve (11), of the inner cylinder (12), a lining (14) is arranged inside one end, far away from the inner cylinder (12), of the outer cylinder (13), a spring (15) is sleeved on the outer surface of one end, close to the inner cylinder (12), of the lining (14), a first insulator (16) is arranged on the inner wall of the lining (14), and an inner conductor (17) is arranged inside the first insulator (16);

the plug (2) comprises a first shell (21), a second shell (22) is arranged in the first shell (21), a contact head (23) is arranged in the second shell (22), a clamping plate (24) is arranged at one end, far away from the first shell (21), of the contact head (23), a second insulator (25) is arranged in the contact head (23), and a blind hole (26) is formed in the second insulator (25);

a first bulge (3) is fixedly arranged on the inner wall of one end, far away from the sleeve (11), of the outer cylinder (13), a second bulge (4) is fixedly arranged on the outer side surface, located on one side of the first bulge (3), of the bushing (14), and a clamping groove (5) is formed in the outer side surface, located on one side of the second bulge (4), of the bushing (14);

one end of the spring (15) is in contact with the side wall of the inner barrel (12), the other end of the spring (15) is in contact with the first bulge (3), and the blind hole (26) is matched with the inner conductor (17);

the clamping groove (5) at least comprises three surfaces, namely a plane (51), a first inclined surface (52) and a second inclined surface (53), the first inclined surface (52) is arranged on one side close to the second protrusion (4), and the plane (51) is arranged between the first inclined surface (52) and the second inclined surface (53);

the clamping plate (24) at least comprises a platform (241), a first convex surface (242) and a second convex surface (243), the first convex surface (242) is arranged on one side, away from the contact head (23), of the clamping plate (24), and the plane (51) is arranged between the first convex surface (242) and the second convex surface (243);

the clamping plate (24) is matched with the clamping groove (5).

2. A radio frequency coaxial connector for easy installation and removal according to claim 1, wherein: the inner diameter of the left end of the inner cylinder (12) is smaller than that of the right end of the inner cylinder, and one end, close to the sleeve (11), of the bushing (14) is fixedly connected with the inner wall of the inner cylinder (12).

3. A radio frequency coaxial connector for easy installation and removal according to claim 1, wherein: the first bulge (3) is arranged in a circular ring shape, the second bulge (4) is arranged in a circular ring shape, and the first bulge (3) is in contact with the second bulge (4).

4. A radio frequency coaxial connector for easy installation and removal according to claim 1, wherein: the first bulge (3) is obliquely arranged on one side close to the opening of the outer barrel (13), and the insertion end of the clamping plate (24) is chamfered.