CN218919495U

CN218919495U - Three-section coaxial radio frequency connector structure

Info

Publication number: CN218919495U
Application number: CN202223127625.3U
Authority: CN
Inventors: 晏明; 齐磊
Original assignee: Jiangsu Minglian Electronic Technology Co ltd
Current assignee: Jiangsu Minglian Electronic Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-25
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a three-section coaxial radio frequency connector structure, which comprises a rear seat, a bearing part and an outer conductor which are coaxially arranged, wherein two ends of the bearing part are respectively connected with the rear seat and the outer conductor; the bearing part and the rear seat form a cavity when connected, and a sleeve and a crimping ring are arranged in the cavity. According to the three-section coaxial cable connector, when the bearing part and the rear seat are fastened, the compression joint ring and the sleeve are extruded, the sleeve is made of metal, so that the sleeve is high in hardness and not easy to deform, the compression joint ring is made of rubber or plastic, deformation is very easy to occur when the compression joint ring is extruded, the diameter of an inner hole of the compression joint ring is reduced, the compression joint fixing of a cable is realized, even if the cable is subjected to external force, the welding position of a cable core conductor and a wire clamp is not influenced by external force, damage to the welding position during use is avoided, and the problems of poor overall stability and low service life of a cable assembly are fundamentally solved.

Description

Three-section coaxial radio frequency connector structure

Technical Field

The utility model relates to a three-section coaxial radio frequency connector structure.

Background

At present, the coaxial radio frequency cable assembly has wide application in a communication transmission system and a radio frequency test system, and is an indispensable component in the communication field, so that the stability and the service life of the performance of the coaxial radio frequency cable assembly can have great influence on the transmission system and the test system; the coaxial radio frequency cable assembly is formed by connecting a coaxial radio frequency cable and a coaxial radio frequency connector, and the most fragile part of the coaxial radio frequency cable assembly is the connection joint of the coaxial radio frequency cable and the coaxial radio frequency connector, namely the tail cover part of the connector, so that the performance stability and the service life of the coaxial radio frequency cable assembly are directly influenced.

The traditional coaxial radio frequency cable assembly only carries out simple protection treatment on the treatment of the tail cover and the coaxial radio frequency cable, and does not carry out fixing treatment on the coaxial radio frequency cable; a conventional coaxial rf connector is shown in fig. 4;

when the traditional coaxial radio frequency connector is used, a radio frequency coaxial cable core conductor passes through an inner hole of the base a, is welded with the wire clamp c, and is fixed with the outer conductor b by using threads, so that the following defects exist:

1. the tail cover part of the coaxial radio frequency connector does not fix the coaxial radio frequency cable, so that acting force is directly generated between the coaxial radio frequency cable and the radio frequency coaxial connector when the coaxial radio frequency cable is subjected to external force, and the overall stability and the service life of the coaxial radio frequency cable assembly are greatly reduced;

2. because the connection between the radio frequency coaxial cable and the radio frequency coaxial connector is only fixed by virtue of soldering tin between the wire core conductor and the wire clamp, the connection is the weakest link in the radio frequency coaxial cable assembly, and the radio frequency coaxial cable assembly is extremely easy to damage at a welding position during use;

accordingly, the present utility model provides a three-section coaxial rf connector structure that solves the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a three-section type coaxial radio frequency connector structure, which solves the problem that the coaxial radio frequency connector provided in the background art does not fix a coaxial radio frequency cable, and the connection between the radio frequency coaxial cable and the radio frequency coaxial connector is fixed only by virtue of soldering tin between a wire core conductor and a wire clamp, so that damage is easily generated at a welding position.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the three-section coaxial radio frequency connector structure comprises a rear seat, a bearing part and an outer conductor which are coaxially arranged, wherein two ends of the bearing part are respectively connected with the rear seat and the outer conductor;

the bearing part is connected with the rear seat to form a cavity, a sleeve and a crimping ring are arranged in the cavity, and when the cable is inserted into the sleeve and the crimping ring, the cable is crimped and fixed through the crimping ring;

and a wire clamp for connecting the cable core conductor is further arranged between the bearing part and the outer conductor, and is arranged inside the bearing part and the outer conductor when the bearing part is connected with the outer conductor, and is contacted with the outer conductor.

Furthermore, the rear seat, the bearing part, the outer conductor and the wire clamp are all of hollow structures, and the section of the through hole formed by the hollow structure is circular.

Further, when the cable is connected with the connector, the cable firstly passes through the back seat, the sleeve, the crimping ring and the bearing part, the back seat is connected with the bearing part and arranged on the cable, then the cable core conductor penetrates into the wire clamp and is connected, and finally the bearing part is connected with the outer conductor.

Further, two ends of the bearing part are respectively connected with the rear seat and the outer conductor in a threaded manner.

Further, when the bearing part is in threaded connection with the rear seat, a cavity is formed between the bearing part and the rear seat, the number of the sleeves in the cavity is 1, the number of the crimping rings is 1 or 2, and the crimping rings are arranged on one side or two sides of the sleeves.

Further, the crimping ring is made of rubber or plastic, the sleeve is a metal round tube, the bearing part is in threaded connection with the rear seat, and the cavity is contracted by screwing the threads, so that the crimping ring is extruded and deformed to crimp and fix the cable inserted in the sleeve and the crimping ring.

Furthermore, before the connection part is in threaded connection with the outer conductor, the cable core conductor is penetrated into the wire clamp and welded, the wire clamp is arranged in the connection part, and the threaded connection part is in threaded connection with the outer conductor.

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

when the bearing part and the rear seat are fastened, the crimp ring and the sleeve are extruded, and the sleeve is made of metal, so that the sleeve is high in hardness and not easy to deform, the crimp ring is made of rubber or plastic, deformation is very easy to occur when the sleeve is extruded, the diameter of an inner hole of the crimp ring is reduced, the crimp fixing of a cable is realized, even if the cable is acted by external force, the welding position of a cable core conductor and a wire clamp can be prevented from being influenced by the external force, the damage to the welding position when the cable core conductor and the wire clamp are avoided, the problems of poor overall stability and low service life of the cable assembly are fundamentally solved, and the cable assembly has the advantages of stable performance, good consistency, high service life, reliable connection and the like, and has very strong competitive advantages.

Drawings

FIG. 1 is a schematic view of a three-dimensional exploded structure of the present utility model;

FIG. 2 is a schematic diagram of the front half-section structure of the present utility model;

FIG. 3 is a schematic diagram of the front half-section of the present utility model with the sleeve and crimp ring removed;

fig. 4 is a schematic diagram of a front half-section structure of a conventional coaxial rf connector.

In the figure: 1. a rear seat; 2. a receiving part; 3. an outer conductor; 4. a cavity; 5. a sleeve; 6. a crimp ring; 7. and (5) a wire clamp.

Detailed Description

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, a three-section coaxial rf connector structure includes a rear seat 1, a receiving portion 2 and an outer conductor 3 coaxially disposed, wherein two ends of the receiving portion 2 are respectively connected with the rear seat 1 and the outer conductor 3;

when the receiving part 2 is connected with the rear seat 1, a cavity 4 is formed, a sleeve 5 and a crimping ring 6 are arranged in the cavity 4, and when a cable is inserted into the sleeve 5 and the crimping ring 6, the cable is crimped and fixed through the crimping ring 6;

a wire clamp 7 for connecting the cable core conductor is further arranged between the bearing part 2 and the outer conductor 3, and when the bearing part 2 is connected with the outer conductor 3, the wire clamp 7 is arranged inside the bearing part 2 and the outer conductor 3, and the wire clamp 7 is contacted with the outer conductor 3;

the three-section coaxial radio frequency cable connector structure is not only suitable for the connection of a radio frequency coaxial cable and a radio frequency coaxial connector, but also suitable for the connection of a power cable and a connector.

In this embodiment, the rear seat 1, the receiving portion 2, the outer conductor 3 and the wire clip 7 are all hollow, and the hollow through hole has a circular cross section.

In this embodiment, when the cable is connected to the connector, the cable passes through the rear seat 1, the sleeve 5, the crimp ring 6 and the receiving portion 2, the rear seat 1 and the receiving portion 2 are connected and mounted on the cable, the cable core conductor is threaded into the wire clamp 7 and connected, and finally the receiving portion 2 is connected to the outer conductor 3.

In the present embodiment, both ends of the receiving portion 2 are screwed to the rear seat 1 and the outer conductor 3, respectively.

In the embodiment, when the bearing part 2 is in threaded connection with the rear seat 1, a cavity 4 is formed between the bearing part 2 and the rear seat 1, the number of the sleeves 5 in the cavity 4 is 1, the number of the crimping rings 6 is 1 or 2, and the crimping rings 6 are arranged on one side or two sides of the sleeves 5;

when the device is specifically arranged, the number of the crimping rings 6 is 2, 1 crimping ring 6 and the sleeve 5 are firstly installed in the inner hole of the bearing part 2, then the other crimping ring 6 is installed in the inner hole of the rear seat 1, and finally the rear seat 1 is in threaded connection with the bearing part 2, so that the assembly is completed.

In this embodiment, the crimp ring 6 is made of rubber or plastic, the sleeve 5 is a metal round tube, the receiving part 2 is in threaded connection with the rear seat 1, and the cavity 4 is contracted by screwing the threads, so that the crimp ring 6 is extruded and deformed to crimp and fix the cable inserted in the sleeve 5 and the crimp ring 6;

the crimping ring is rubber or plastic material, very easily produces the deformation when receiving the extrusion, makes the hole diameter of crimping ring diminish to realize the crimping to the cable fixed, even if the cable receives the exogenic action, also can guarantee that the welding department at cable core conductor and fastener can not receive external force influence.

In this embodiment, before the connection of the receiving portion 2 and the outer conductor 3, the cable core conductor is threaded into the wire clamp 7 and welded, then the wire clamp 7 is placed in the receiving portion 2, and the threaded connection of the receiving portion 2 and the outer conductor 3 is screwed.

When the cable is specifically connected with the connector, the cable passes through the back seat 1, the sleeve 5, the crimp ring 6 and the bearing part 2, the 1 crimp ring 6 and the sleeve 5 are installed in the inner hole of the bearing part 2, the other crimp ring 6 is installed in the inner hole of the back seat 1, the back seat 1 is in screwing connection with the bearing part 2 to pretighten, the cable core conductor penetrates into the wire clamp 7 and is welded, the wire clamp 7 is placed in the bearing part 2, the screwing threads fasten the back seat 1 and the bearing part 2, the cable is in compression deformation through the crimp ring 6 to be crimped and fixed, and finally the bearing part 2 is in screwing connection with the outer conductor 3.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a coaxial radio frequency connector structure of syllogic which characterized in that: comprises a back seat (1), a bearing part (2) and an outer conductor (3) which are coaxially arranged, wherein two ends of the bearing part (2) are respectively connected with the back seat (1) and the outer conductor (3);

the bearing part (2) forms a cavity (4) when being connected with the rear seat (1), a sleeve (5) and a crimping ring (6) are arranged in the cavity (4), and when a cable is inserted into the sleeve (5) and the crimping ring (6), the cable is crimped and fixed through the crimping ring (6);

the cable wire is characterized in that a wire clamp (7) used for connecting a cable wire core conductor is further arranged between the bearing part (2) and the outer conductor (3), when the bearing part (2) is connected with the outer conductor (3), the wire clamp (7) is installed inside the bearing part (2) and the outer conductor (3), and the wire clamp (7) is in contact with the outer conductor (3).

2. A three-part coaxial rf connector structure as defined in claim 1, wherein: the rear seat (1), the bearing part (2), the outer conductor (3) and the wire clamp (7) are all of hollow structures, and the section of a through hole formed by the hollow structures is circular.

3. A three-part coaxial rf connector structure as defined in claim 2, wherein: when the cable is connected with the connector, the cable passes through the rear seat (1), the sleeve (5), the crimping ring (6) and the bearing part (2), the rear seat (1) is connected with the bearing part (2) and is arranged on the cable, the cable core conductor penetrates into the wire clamp (7) and is connected, and finally the bearing part (2) is connected with the outer conductor (3).

4. A three-part coaxial rf connector structure as defined in claim 1, wherein: the two ends of the bearing part (2) are respectively in threaded connection with the rear seat (1) and the outer conductor (3).

5. The three-part coaxial rf connector structure of claim 4, wherein: when the bearing part (2) is in threaded connection with the rear seat (1), a cavity (4) is formed between the bearing part (2) and the rear seat (1), the number of the sleeves (5) in the cavity (4) is 1, the number of the crimping rings (6) is 1 or 2, and the crimping rings (6) are arranged on one side or two sides of the sleeves (5).

6. The three-part coaxial rf connector structure of claim 5, wherein: the crimping ring (6) is made of rubber or plastic, the sleeve (5) is a metal round tube, the bearing part (2) is in threaded connection with the rear seat (1), the cavity (4) is contracted through screwing threads, and the crimping ring (6) is extruded and deformed to crimp and fix the cable inserted in the sleeve (5) and the crimping ring (6).

7. The three-part coaxial rf connector structure of claim 4, wherein: before the bearing part (2) is in threaded connection with the outer conductor (3), the cable core conductor is penetrated into the wire clamp (7) and welded, the wire clamp (7) is arranged in the bearing part (2), and the threaded connection bearing part (2) and the outer conductor (3) are screwed.