CN217469030U

CN217469030U - Ultrahigh shielding radio frequency coaxial cable assembly

Info

Publication number: CN217469030U
Application number: CN202221020591.5U
Authority: CN
Inventors: 江惠兴
Original assignee: Suzhou Zhaoke Xintong Electronics Co ltd
Current assignee: Suzhou Zhaoke Xintong Electronics Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-20
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a super high shielding radio frequency coaxial cable subassembly, including first connector and second connector, its characterized in that, first connector includes setting element, collar, arc wall, four lamella anchor clamps and connection shell, and the connection shell is hollow cylindrical structure setting, and the cable hole has been seted up to the inboard centre department of connection shell, and the lateral wall and the inside wall of connection shell all are provided with mounting thread, and the bottom welded mounting of connection shell has four lamella anchor clamps. This super high shielding radio frequency coaxial cable subassembly sets up to the threaded mounting through its first connector and second connector, causes super high shielding radio frequency coaxial cable when the connector needs to be changed, can directly rotate and take off, for traditional welded structure, the threaded mounting is overhauld, changes more convenient of installing, and the device has added the shell of strengthening in threaded connection department simultaneously, the effectual rigidity intensity of having guaranteed the connector junction, the condition that drops has avoided the connector to appear.

Description

Ultrahigh shielding radio frequency coaxial cable assembly

Technical Field

The utility model relates to a radio frequency coaxial cable subassembly technical field especially relates to a super high shielding radio frequency coaxial cable subassembly.

Background

The radio frequency coaxial cable assembly is a commonly used microwave signal transmission cable assembly, has the advantages of wide frequency band, excellent electrical property, flexibility, convenient use and the like, and is widely applied to the fields of test systems, instruments, microwave communication, aerospace and the like. The radio frequency coaxial connector comprises a female end and a male end, wherein the female end comprises a cylindrical first dielectric body, a first inner conductor and a first outer conductor, the male end comprises a cylindrical second dielectric body, a cylindrical second inner conductor and a cylindrical second outer conductor, and the male end is characterized in that: the outer wall of the second outer conductor is in contact with the inner wall of the first outer conductor through a protrusion to realize electric connection, and the outer wall of the second outer conductor is matched with the inner wall of the first outer conductor; a shield layer is formed in all or part of the fitting to electrically connect an outer wall of the second outer conductor with an inner wall of the first outer conductor. The embodiment cuts off an electromagnetic coupling path between the radio frequency coaxial connector and the interference source and the sensitive source in a combined shielding mode, so that the radio frequency coaxial connector has excellent electromagnetic compatibility performance in a severe electromagnetic environment without designing a special shielding structure, and a large amount of space and cost are saved.

However, in practical use, there is a major technical problem that the inner conductor of the rf coaxial adapter and the rf coaxial cable in the cable assembly are generally welded to a fixed structure outside the cable inner conductor through a sleeve at the tail of the rf coaxial adapter, which is inconvenient for replacement, maintenance and installation.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an ultra-high shielding radio frequency coaxial cable subassembly for solve foretell problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an ultrahigh shielding radio frequency coaxial cable assembly comprises a first connector and a second connector, and is characterized in that the first connector comprises a positioning part, a mounting ring, an arc-shaped groove, a four-petal clamp and a connecting shell, the connecting shell is in a hollow cylindrical structure, a cable hole is arranged at the center of the inner side of the connecting shell, mounting threads are arranged on the outer side wall and the inner side wall of the connecting shell, the four-petal clamp is welded and mounted at the bottom of the connecting shell, the connecting threads are arranged on the outer side wall of the four-petal clamp, the four-petal clamp is in a round platform structure, the mounting ring is sleeved and mounted on the four-petal clamp, the mounting ring is in threaded connection with the four-petal clamp, the positioning part is welded and mounted at the bottom of the mounting ring,

the second connector includes spacing ring, extrusion ring, installation shell and strengthens the shell, and the installation shell is the setting of hollow cylinder column structure, and the installation shell diameter matches with the inner ring diameter phase-match of joint housing, and the lateral wall of installation shell is provided with and connects the shell inside wall installation screw thread assorted fixed thread.

Preferably, the first connector and the second connector are both made of metal materials and are in threaded connection.

Preferably, the same cable hole is formed in the middle of the four-petal clamp, arc-shaped grooves are formed in the corresponding side walls of the clamping jaws of the four-petal clamp, and rubber pads are arranged on the arc-shaped grooves.

Preferably, the positioning piece is arranged in a hollow circular truncated cone-shaped structure, and the inclination angle of the positioning piece is smaller than that of the four-petal clamp.

Preferably, the outer side wall of the installation shell is welded with a limiting ring, the outer side wall of the installation shell is positioned at the top of the limiting ring and sleeved with an extrusion ring, the outer side wall of the extrusion ring is welded with a reinforcement shell, and the inner side wall of the reinforcement shell is provided with a fixing thread matched with the mounting thread on the outer side wall of the connection shell.

Preferably, the extrusion ring is slidably connected with the mounting shell, and a sealing rubber ring is arranged at the bottom of the extrusion ring.

Compared with the prior art, the beneficial effects of the utility model are that: this super high shielding radio frequency coaxial cable subassembly sets up to the threaded mounting through its first connector and second connector, causes super high shielding radio frequency coaxial cable when the connector needs to be changed, can directly rotate and take off, for traditional welded structure, the threaded mounting is overhauld, changes more convenient of installing, and the device has added the shell of strengthening in threaded connection department simultaneously, the effectual rigidity intensity of having guaranteed the connector junction, the condition that drops has avoided the connector to appear.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a first connector structure of the present invention;

fig. 3 is a schematic structural view of the second connector of the present invention.

In the figure: the device comprises a first connector 1, a second connector 2, a positioning piece 3, a mounting ring 4, an arc-shaped groove 5, a four-petal clamp 6, a connecting shell 7, a limiting ring 8, an extrusion ring 9, a mounting shell 10 and a reinforcing shell 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment is as follows: referring to fig. 1-3, the utility model provides a technical scheme, a super high shielding radio frequency coaxial cable assembly, comprising a first connector 1 and a second connector 2, wherein the first connector 1 and the second connector 2 are made of metal material, the first connector 1 and the second connector 2 are in threaded connection, the first connector 1 comprises a positioning member 3, a mounting ring 4, an arc-shaped groove 5, a four-petal clamp 6 and a connecting shell 7, the connecting shell 7 is in hollow cylindrical structure, a cable hole is arranged at the center of the inner side of the connecting shell 7, the outer side wall and the inner side wall of the connecting shell 7 are both provided with mounting threads, the bottom of the connecting shell 7 is welded with the four-petal clamp 6, the same cable hole is arranged at the center of the four-petal clamp 6, the arc-shaped groove 5 is arranged at the corresponding side wall of the clamping jaw of the four-petal clamp 6, a rubber pad is arranged on the arc-shaped groove 5, the outer side wall of the four-petal clamp 6 is provided with connecting threads, the four-petal clamp 6 is arranged in a round platform-shaped structure, the four-petal clamp 6 is sleeved with the mounting ring 4, the mounting ring 4 is in threaded connection with the four-petal clamp 6, the bottom of the mounting ring 4 is welded with the positioning piece 3, the positioning piece 3 is arranged in a hollow round platform-shaped structure, the inclination angle of the positioning piece 3 is smaller than that of the four-petal clamp 6, the second connector 2 comprises a limiting ring 8, an extrusion ring 9, a mounting shell 10 and a reinforcing shell 11, and the first connector 1 and the second connector 2 are in threaded installation, so that the ultrahigh shielding radio frequency coaxial cable can be directly rotated and taken down when the connector needs to be replaced, compared with the traditional welding structure, the threaded installation is more convenient in maintenance and replacement, meanwhile, the reinforcing shell 11 is added at the threaded connection part, the rigidity strength of the connection part of the connectors is effectively ensured, and the situation that the connectors fall off is avoided, installation shell 10 is the setting of hollow cylinder column structure, the inner ring diameter phase-match of installation shell 10 diameter and link shell 7, the lateral wall of installation shell 10 is provided with and connects 7 inside wall mounting thread assorted fixed thread, the lateral wall welded mounting of installation shell 10 has spacing ring 8, the top cover that the lateral wall of installation shell 10 is located spacing ring 8 is established and is installed squeeze ring 9, squeeze ring 9 and installation shell 10 sliding connection set up, the bottom of squeeze ring 9 is provided with the sealing rubber circle, the lateral wall welded mounting of squeeze ring 9 has reinforcement shell 11, the inside wall of reinforcement shell 11 be provided with link shell 7 lateral wall mounting thread assorted fixed thread.

When in use: when the device begins to use, one group of ultrahigh shielding radio frequency coaxial cables needing to be connected preferentially pass through the positioning piece 3, the ultrahigh shielding radio frequency coaxial cables penetrate into the connecting shell 7 at the moment, the mounting ring 4 is rotated to enable the positioning piece 3 to extrude the four-petal clamp 6, the four-petal clamp 6 is enabled to fix and limit the ultrahigh shielding radio frequency coaxial cables, the mounting shell 10 on the second connector 2 on the other group of the ultrahigh shielding radio frequency coaxial cables is installed with the connecting shell 7 in a threaded mode, and after the mounting is finished, the reinforcing shell 11 can be rotated to enable the reinforcing shell 11 to be installed with the connecting shell 7 in a threaded mode.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. An ultrahigh shielding radio frequency coaxial cable assembly comprises a first connector (1) and a second connector (2), and is characterized in that the first connector (1) comprises a positioning piece (3), a mounting ring (4), an arc-shaped groove (5), a four-petal clamp (6) and a connecting shell (7), the connecting shell (7) is arranged in a hollow cylindrical structure, a cable hole is formed in the center of the inner side of the connecting shell (7), mounting threads are arranged on the outer side wall and the inner side wall of the connecting shell (7), the four-petal clamp (6) is welded and installed at the bottom of the connecting shell (7), the connecting threads are arranged on the outer side wall of the four-petal clamp (6), the four-petal clamp (6) is arranged in a circular truncated cone-shaped structure, the mounting ring (4) is sleeved and installed on the four-petal clamp (6), the mounting ring (4) is in threaded connection with the four-petal clamp (6), the positioning piece (3) is welded and installed at the bottom of the mounting ring (4),

the second connector (2) comprises a limiting ring (8), an extrusion ring (9), an installation shell (10) and a reinforcing shell (11), the installation shell (10) is of a hollow cylindrical structure, the diameter of the installation shell (10) is matched with the inner ring diameter of the connecting shell (7), and the outer side wall of the installation shell (10) is provided with fixing threads matched with the mounting threads on the inner side wall of the connecting shell (7).

2. The ultra-high shielding radio frequency coaxial cable assembly according to claim 1, wherein the first connector (1) and the second connector (2) are made of metal, and the first connector (1) and the second connector (2) are connected by screw threads.

3. The ultrahigh-shielding radio frequency coaxial cable assembly according to claim 1, wherein the center of the four-petal clamp (6) is provided with the same cable hole, the corresponding side walls of the clamping jaws of the four-petal clamp (6) are provided with arc-shaped grooves (5), and rubber pads are arranged on the arc-shaped grooves (5).

4. The ultra-high shielding radio frequency coaxial cable assembly according to claim 1, wherein the positioning member (3) is configured in a hollow truncated cone-shaped structure, and an inclination angle of the positioning member (3) is smaller than that of the four-petal clamp (6).

5. The ultrahigh-shielding radio frequency coaxial cable assembly according to claim 1, wherein a limiting ring (8) is welded to an outer side wall of the mounting shell (10), an extrusion ring (9) is sleeved on the top of the limiting ring (8) to locate the outer side wall of the mounting shell (10), a reinforcing shell (11) is welded to an outer side wall of the extrusion ring (9), and a fixing thread matched with the mounting thread on the outer side wall of the connecting shell (7) is arranged on an inner side wall of the reinforcing shell (11).

6. The ultrahigh-shielding radio frequency coaxial cable assembly as recited in claim 5, wherein the extrusion ring (9) is slidably connected with the mounting shell (10), and a sealing rubber ring is arranged at the bottom of the extrusion ring (9).