CN221009332U

CN221009332U - Circular radio frequency connector

Info

Publication number: CN221009332U
Application number: CN202321553778.6U
Authority: CN
Inventors: 蔡宗翰
Original assignee: Suqian Zhihui Electronics Co ltd
Current assignee: Suqian Zhihui Electronics Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-05-24
Anticipated expiration: 2033-06-19

Abstract

The utility model discloses a circular radio frequency connector, which comprises: the cable is arranged on the connector shell, the tail of the connector shell is provided with a threaded joint around the outside of the cable, the sealing sleeve is sleeved outside the cable and located on one side of the threaded joint, one end of the sealing sleeve, which is close to the connector shell, is provided with an end plate, the end plate is clung to the side wall of the threaded joint, the protective cover comprises a fixing barrel, one end, which is far away from the connector shell, of the fixing barrel is provided with a protective barrel communicated with the fixing barrel, and the fixing barrel is installed on the outer wall of the threaded joint in a threaded mode and is tightly pressed on the side wall of the end plate. The circular radio frequency connector disclosed by the utility model can be used for double protection of the connection part of the cable and the circular radio frequency connector, so that the situation that the cable is broken and damaged due to direct friction with the protective cover after the cable is bent due to large tensile force applied to the cable is avoided, and the use of the circular radio frequency connector is ensured.

Description

Circular radio frequency connector

Technical Field

The utility model relates to the technical field of circular connectors, in particular to a circular radio frequency connector.

Background

The circular radio frequency connector is a common electronic connector, is generally used for connecting power supply, signal and data lines in electronic equipment, has the characteristics of high frequency and high speed data transmission, is widely applied to the fields of wireless communication, satellite communication, radar, aerospace and the like, has a cylindrical shape, has natural firmness, has higher strength than any other shape, has good waterproof, dustproof, anti-seismic and anti-vibration performances, and is suitable for being used outdoors and in severe environments.

When the existing circular radio frequency connector is installed and used, the connection part of the cable and the circular radio frequency connector cannot be protected, the cable is pulled by external force and can be bent and worn at the tail part of the circular radio frequency connector, and after the circular radio frequency connector is used for a long time, the connection part of the cable and the circular radio frequency connector is easy to damage or break, so that the use of the circular radio frequency connector is affected. Accordingly, one skilled in the art would provide a circular rf connector to address the problems set forth in the background above.

Disclosure of utility model

The present utility model is directed to a circular rf connector, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A circular radio frequency connector comprising: the cable is arranged on the connector shell, the tail of the connector shell is provided with a threaded joint around the outside of the cable, the sealing sleeve is sleeved outside the cable and located on one side of the threaded joint, one end of the sealing sleeve, which is close to the connector shell, is provided with an end plate, the end plate is clung to the side wall of the threaded joint, the protective cover comprises a fixed cylinder, one end of the fixed cylinder, which is far away from the connector shell, is provided with a protective cylinder communicated with the fixed cylinder, the fixed cylinder is installed on the outer wall of the threaded joint in a threaded mode and tightly pressed on the side wall of the end plate, the protective cylinder is sleeved outside the sealing sleeve, the four arc limiting plates which are circumferentially distributed are arranged on one side of the sealing sleeve and are respectively clamped on the outer wall of the cable, and springs are arranged between the back of the arc limiting plates and the inner wall of the protective cylinder.

Preferably, the inside of the protection cylinder is provided with a cavity, the sealing sleeve is inserted into the cavity, and four arc limiting plates distributed circumferentially are arranged at one end, away from the sealing sleeve, of the cavity.

Preferably, the fixing cylinder is internally provided with a thread groove, and the fixing cylinder is installed outside the threaded joint through the thread groove.

Preferably, the end of the sealing sleeve remote from the end plate is provided with a through hole through which the cable extends through the sealing sleeve to the outside thereof.

Preferably, a limiting groove is formed between the four arc limiting plates, and the cable penetrates through the limiting groove and extends to the outside of the protective cover.

Preferably, the sealing sleeve and the arc limiting plate are made of rubber, and the inner diameter of the through hole is smaller than the diameter of the cable.

Preferably, the cavity has an opening area smaller than an end surface area of the end plate, and the fixing cylinder surrounds the outside of the end plate and presses the end plate against a side wall of the screw joint.

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

Through setting up seal cover and protection casing, when assembling circular radio frequency connector, can be earlier with the outside of seal cover installation cable, let the seal cover pass through the outside of opening tight bundle at the cable, twist the outside protection casing of suit at the seal cover again, let the fixed cylinder screw thread install the outside at screwed joint, and sticis the lateral wall at screwed joint with the end plate, seal the gap between protection casing, connector housing and the cable by the seal cover, can prevent dust and water entering circular radio frequency connector, the leakproofness of circular radio frequency connector has been improved, simultaneously, four arc limiting plates block the outside of cable under the elastic force of spring, when the cable receives external force to pull, can press from both sides the cable in the spacing groove between four arc limiting plates, buffer through the pulling force that the spring received to the cable earlier, again by the arc limiting plate and cable contact of rubber material, can carry out double protection to cable and circular radio frequency connector's junction, the direct and protection casing produce the circumstances that the cable is broken, damage to the circular radio frequency connector has been guaranteed to use with the cable because of the great pulling force that the cable received.

Drawings

Fig. 1 is a schematic perspective view of a circular rf connector according to an embodiment of the utility model;

FIG. 2 is a schematic diagram illustrating the disassembly of a circular RF connector according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a protective cover according to an embodiment of the utility model;

FIG. 4 is a left side view of a shield according to an embodiment of the present utility model;

figure 5 is a schematic perspective view of a sealing sleeve according to an embodiment of the utility model.

In the figure: 1. a connector housing; 11. a cable; 12. a threaded joint; 2. sealing sleeve; 201. a through port; 21. an end plate; 3. a protective cover; 31. a fixed cylinder; 311. a thread groove; 32. a protective cylinder; 321. a cavity; 33. an arc limiting plate; 331. a limit groove; 34. and (3) a spring.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

As shown in fig. 1, 2, 3 and 5, the cable 11 is disposed on the connector housing 1, the threaded joint 12 is disposed around the outside of the cable 11 at the tail of the connector housing 1, the sealing sleeve 2 is sleeved outside the cable 11 and is located at one side of the threaded joint 12, the end of the sealing sleeve 2, which is close to the connector housing 1, is provided with the end plate 21, the end, which is far away from the end plate 21, of the sealing sleeve 2 is provided with the through hole 201, the cable 11 extends to the outside of the sealing sleeve 2 through the through hole 201, the sealing sleeve 2 and the arc limiting plate 33 are made of rubber, the inner diameter of the through hole 201 is smaller than the diameter of the cable 11, the opening area of the cavity 321 is smaller than the end surface area of the end plate 21, the end, which is far away from the connector housing 1, of the fixing cylinder 31 is provided with the protecting cylinder 32 communicated with the protecting cylinder, the inside of the fixing cylinder 31 is provided with the threaded groove 311, and the fixing cylinder 31 is mounted on the outside of the threaded joint 12 through the threaded groove 311 and compresses the end plate 21 on the side wall of the threaded joint 12.

In one embodiment, when the circular rf connector is assembled, the sealing sleeve 2 is slid outside the cable 11, the end plate 21 is tightly attached to the side wall of the threaded connector 12, the sealing sleeve 2 is tightly bound to the outer wall of the cable 11 through the through hole 201, the fixing barrel 31 is screwed, the fixing barrel 31 is installed outside the threaded connector 12 through the threaded groove 311, the end plate 21 is tightly pressed on the side wall of the threaded connector 12, the circular rf connector is assembled, gaps among the protective cover 3, the connector housing 1 and the cable 11 can be sealed by the sealing sleeve 2, dust and water can be prevented from entering the circular rf connector, the condition that the use of the circular rf connector is affected due to dust and water in the circular rf connector is avoided, and the sealing performance of the circular rf connector is improved.

In one embodiment, since the inner diameter of the through hole 201 is smaller than the diameter of the cable 11, the sealing sleeve 2 is made of rubber and has a certain deformation capability, when the cable 11 penetrates through the sealing sleeve 2, the sealing sleeve 2 is tightly tied on the outer wall of the cable 11 through the through hole 201 after being deformed, a gap between the sealing sleeve 2 and the cable 11 is sealed, and the through hole 201 cannot prevent the sealing sleeve 2 from being installed.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the fixing cylinder 31 is screwed on the outer wall of the screwed joint 12 and is tightly pressed on the side wall of the end plate 21, the protecting cylinder 32 is internally provided with the cavity 321, the sealing sleeve 2 is inserted in the cavity 321, one end of the cavity 321, which is far away from the sealing sleeve 2, is provided with four arc limiting plates 33 which are circumferentially distributed, the four arc limiting plates 33 are respectively clamped on the outer wall of the cable 11, a spring 34 is arranged between the back of the arc limiting plates 33 and the inner wall of the protecting cylinder 32, a limiting groove 331 is formed between the four arc limiting plates 33, and the cable 11 penetrates through the limiting groove 331 and extends to the outer part of the protecting cover 3.

In one embodiment, after the protection cover 3 is installed on the connector housing 1, the four arc-shaped limiting plates 33 can be clamped outside the cable 11 under the action of the elastic force of the springs 34, the cable 11 is clamped in the limiting grooves 331 between the four arc-shaped limiting plates 33, the tensile force borne by the cable 11 is buffered through the springs 34, then the rubber arc-shaped limiting plates 33 are contacted with the cable 11, the connection part of the cable 11 and the circular radio frequency connector can be doubly protected, the situation that the cable 11 is broken and damaged due to the fact that friction is generated between the cable 11 and the protection cover 3 after the cable 11 is bent due to the fact that the tensile force borne by the cable 11 is large is avoided, the use of the circular radio frequency connector is guaranteed, the connection part of the cable 11 and the circular radio frequency connector can be stored in the protection cover 3, the situation that the use of the circular radio frequency connector is affected due to the fact that the connection part of the cable 11 and the circular radio frequency connector is impacted and damaged is avoided, and the protection of the connection part of the cable 11 and the circular radio frequency connector is realized.

The working principle of the utility model is as follows: when the circular radio frequency connector is assembled, the sealing sleeve 2 is firstly slid outside the cable 11, the end plate 21 is tightly attached to the side wall of the threaded connector 12, the sealing sleeve 2 is tightly bound on the outer wall of the cable 11 through the through hole 201, finally, the fixing barrel 31 is screwed, the fixing barrel 31 is arranged outside the threaded connector 12 through the threaded groove 311, the end plate 21 is tightly pressed on the side wall of the threaded connector 12, the circular radio frequency connector is assembled, gaps among the protective cover 3, the connector shell 1 and the cable 11 can be sealed by the sealing sleeve 2, dust and water can be prevented from entering the circular radio frequency connector, the situation that the circular radio frequency connector is affected by dust and water inside the circular radio frequency connector is avoided, the sealing performance of the circular radio frequency connector is improved, simultaneously, the cable 11 is clamped in the limiting groove 331 under the action of elastic force of the spring 34, the cable 11 is buffered through the spring 34, the arc limiting plate 33 is contacted with the cable 11, the circular radio frequency connector can be prevented from being damaged by the cable 11 due to the fact that the cable 11 is directly bent, and the cable 11 is prevented from being broken due to the fact that the cable 11 is directly connected with the circular radio frequency connector is protected by the circular radio frequency connector.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A circular radio frequency connector comprising: connector shell (1), seal cover (2) and protection casing (3), characterized in that, be provided with cable (11) on connector shell (1), and, the afterbody of connector shell (1) encircles the outside of cable (11) is provided with screwed joint (12), seal cover (2) cover is established the outside of cable (11) and is located one side of screwed joint (12), and seal cover (2) is close to one end of connector shell (1) is provided with end plate (21), end plate (21) hugs closely in the lateral wall of screwed joint (12), protection casing (3) include fixed section of thick bamboo (31), the one end that fixed section of thick bamboo (31) kept away from connector shell (1) is provided with protection section of thick bamboo (32) that are linked together with it, and, fixed section of thick bamboo (31) screw thread is installed in the outer wall of screwed joint (12) and is in the lateral wall of end plate (21), protection section of thick bamboo (32) cover is in the outside of seal cover (2), and protection section of thick bamboo (32) is close to one side of each of four arc-shaped limit plates (33) are located in the circumference of four limit plates (11) of being set up respectively, a spring (34) is arranged between the back of the arc limiting plate (33) and the inner wall of the protection cylinder (32).

2. The circular radio frequency connector according to claim 1, wherein a cavity (321) is formed in the protective cylinder (32), the sealing sleeve (2) is inserted into the cavity (321), and four arc limiting plates (33) distributed circumferentially are arranged in the cavity (321) and far away from one end of the sealing sleeve (2).

3. A circular radio frequency connector according to claim 1, characterized in that the inside of the fixing cylinder (31) is provided with a screw groove (311), and the fixing cylinder (31) is screw-mounted outside the screw joint (12) through the screw groove (311).

4. A circular radio frequency connector according to claim 1, characterized in that the end of the sealing sleeve (2) remote from the end plate (21) is provided with a through opening (201), through which opening (201) the cable (11) extends through the sealing sleeve (2) to the outside.

5. A circular radio frequency connector according to claim 1, characterized in that between four of the arcuate limiting plates (33) there is a limiting slot (331), the cable (11) extending through the limiting slot (331) to the outside of the shield (3).

6. The circular radio frequency connector according to claim 4, wherein the sealing sleeve (2) and the arc limiting plate (33) are made of rubber, and the inner diameter of the through hole (201) is smaller than the diameter of the cable (11).

7. A circular radio frequency connector according to claim 2, characterized in that the opening area of the cavity (321) is smaller than the end surface area of the end plate (21), and the fixing cylinder (31) surrounds the outside of the end plate (21) and presses the end plate (21) against the side wall of the threaded joint (12).