CN212209933U

CN212209933U - Radio frequency coaxial cable assembly

Info

Publication number: CN212209933U
Application number: CN202021188257.1U
Authority: CN
Inventors: 杨发军
Original assignee: Xi'an Ruihang Microwave Technology Co ltd
Current assignee: Xi'an Ruihang Microwave Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-12-22
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a radio frequency coaxial cable subassembly, which comprises a cable, the inside parcel of cable has the cable inner conductor, the cable outside is equipped with and presss from both sides tight piece, press from both sides tight piece outer wall one side fixedly connected with slider, it is equipped with the spacing ring to press from both sides tight piece outside, spacing ring inner circle one end is opened there is the spout, slider and spout sliding connection, the spacing ring inner circle other end is opened there is first circular groove, first circular groove internal rotation is connected with first ring board. The utility model discloses a rotate first rotor, utilize transmission structure, accomplish the tight fixed of clamp of cable, rotate simultaneously and turn round the ring, can realize female head and cable inner conductor's being connected, this device simple structure, convenient operation dismantles the installation easily for the maintenance is changed portably, does not need higher operation requirement, and the position that tight piece of clamp comes out from the cable to cable inner conductor simultaneously protects, prevents that impurity from getting into, makes this device can adapt to more abominable weather.

Description

Radio frequency coaxial cable assembly

Technical Field

The utility model relates to a radio frequency coaxial cable technical field, concretely relates to 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.

Therefore, there is a need for a radio frequency coaxial cable assembly that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a radio frequency coaxial cable subassembly through rotating first rotor, utilizes transmission structure, accomplishes the tight fixedly of clamp of cable, rotates simultaneously and turns round the ring, can realize female head and cable inner conductor's being connected, convenient operation dismantles the installation easily to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: a radio frequency coaxial cable assembly comprises a cable, wherein a cable inner conductor is wrapped inside the cable, a clamping block is arranged outside the cable, a sliding block is fixedly connected to one side of the outer wall of the clamping block, a limiting ring is arranged outside the clamping block, a sliding groove is formed in one end of an inner ring of the limiting ring, the sliding block is connected with the sliding groove in a sliding mode, a first circular groove is formed in the other end of the inner ring of the limiting ring, a first circular plate is connected with the first circular groove in a rotating mode, a first rotating body is fixedly connected to one side of the outer wall of the first circular plate, a first internal thread is formed in one end of the inner circumferential surface of the first rotating body, a second rotating body is arranged inside the first rotating body, a circular table hole is formed in one end of the second rotating body, a first external thread is formed in one end of the outer circumferential surface of the second rotating body, the first external thread, and a second internal thread is formed on the inner peripheral surface of the second rotating body.

Preferably, a female head is arranged at one end, far away from the first rotating body, of the second rotating body, and an adapter is fixedly connected at one end, far away from the second rotating body, of the female head.

Preferably, the female head peripheral face is opened there is the second ring groove, the second ring inslot internal rotation is connected with the second ring board, second ring board peripheral face fixedly connected with sleeve, sleeve peripheral face one end fixedly connected with twists the ring.

Preferably, one end of the outer peripheral surface of the sleeve, which is far away from the twisting ring, is provided with a second external thread, and the second external thread is in threaded connection with a second internal thread.

Preferably, the number of the sliding grooves is four, and the four sliding grooves are distributed on the inner ring of the limiting ring in an annular array.

Preferably, the number of the clamping blocks is four, the four clamping blocks are distributed on the peripheral surface of the cable in an annular array, and the sliding blocks on the four clamping blocks are respectively in sliding connection with the four sliding grooves.

Preferably, the clamping block, the limiting ring, the first circular plate and the first rotating body are all stainless steel components.

In the technical scheme, the utility model provides a technological effect and advantage:

through rotating first rotor, utilize transmission structure, accomplish the tight fixedly of clamp of cable, rotate simultaneously and turn round the rotating ring, can realize female head and cable inner conductor's being connected, this device simple structure, convenient operation dismantles the installation easily for the maintenance is changed portably, does not need higher operation requirement, and the position that tight piece of clamp was come out from the cable to cable inner conductor simultaneously protects, prevents that impurity from getting into, makes this device can adapt to more bad weather.

Drawings

In order to more clearly illustrate the embodiments of the present application or the 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 these drawings.

Fig. 1 is a sectional view of a connection structure of a first rotating body and a second rotating body of the present invention;

fig. 2 is a perspective view of the present invention;

FIG. 3 is a sectional view of the connection structure of the female connector and the sleeve according to the present invention;

fig. 4 is a cross-sectional view of a first rotating body of the present invention;

FIG. 5 is a cross-sectional view of the stop collar of the present invention;

FIG. 6 is a cross-sectional view of a second rotor of the present invention;

fig. 7 is a schematic view of the connection between the clamping block and the cable according to the present invention.

Description of reference numerals:

1 cable, 2 cable inner conductor, 3 tight piece of clamp, 4 sliders, 5 spacing rings, 6 spouts, 7 first ring grooves, 8 first ring boards, 9 first rotor, 10 second rotor, 11 round platform holes, 12 female head, 13 adapter, 14 second ring grooves, 15 second ring boards, 16 sleeves, 17 twist ring.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a radio frequency coaxial cable assembly as shown in figures 1-7, which comprises a cable 1, wherein the cable 1 is wrapped with a cable inner conductor 2, the cable 1 is externally provided with a clamping block 3, one side of the outer wall of the clamping block 3 is fixedly connected with a slide block 4, the clamping block 3 is externally provided with a spacing ring 5, one end of the inner ring of the spacing ring 5 is provided with a slide groove 6, the slide block 4 is connected with the slide groove 6 in a sliding way, the other end of the inner ring of the spacing ring 5 is provided with a first circular groove 7, the first circular groove 7 is rotationally connected with a first circular plate 8, one side of the outer wall of the first circular plate 8 is fixedly connected with a first rotating body 9, one end of the inner circumferential surface of the first rotating body 9 is provided with a first internal thread, the first rotating body 9 is internally provided with a second rotating body 10, one end of the second rotating body 10 is provided with a circular table hole 11, one end of, the first external thread is in threaded connection with the first internal thread, the circular table hole 11 is in sliding connection with the clamping block 3, and a second internal thread is formed in the inner peripheral surface of the second rotating body 10.

Further, in the above technical solution, a female connector 12 is disposed at an end of the second rotating body 10 away from the first rotating body 9, an adaptor 13 is fixedly connected to an end of the female connector 12 away from the second rotating body 10, and radio frequency transmission between two different cable inner conductors 2 is realized through the adaptor 13.

Further, in the above technical scheme, a second circular groove 14 is formed in the outer peripheral surface of the female head 12, a second circular plate 15 is rotatably connected to the second circular groove 14, a sleeve 16 is fixedly connected to the outer peripheral surface of the second circular plate 15, a torsion ring 17 is fixedly connected to one end of the outer peripheral surface of the sleeve 16, the torsion ring 17 is rotated, so that the sleeve 16 is driven to rotate, and the sleeve 16 drives the second circular plate 15 to rotate in the second circular groove 14.

Furthermore, in the above technical solution, a second external thread is formed at one end of the outer peripheral surface of the sleeve 16, which is far away from the twisting ring 17, and the second external thread is in threaded connection with a second internal thread, so that the sleeve 16 and the second rotating body 10 are easily mounted and dismounted through the second external thread and the second internal thread.

Further, in the above technical solution, the number of the sliding grooves 6 is four, the four sliding grooves 6 are distributed in the inner ring of the limit ring 5 in an annular array, and the movement tracks of the four sliding blocks 4 are limited by the four sliding grooves 6.

Further, in the above technical scheme, the number of the clamping blocks 3 is four, the four clamping blocks 3 are distributed on the outer peripheral surface of the cable 1 in an annular array, the sliding blocks 4 on the four clamping blocks 3 are respectively in sliding connection with the four sliding grooves 6, and the cable 1 is clamped through the four clamping blocks 3, so that the cable 1 is prevented from loosening.

Furthermore, in the above technical solution, the clamping block 3, the limiting ring 5, the first annular plate 8 and the first rotating body 9 are all made of stainless steel, and the clamping block 3, the limiting ring 5, the first annular plate 8 and the first rotating body 9 are all made of stainless steel, so that the service life of the clamping block 3, the limiting ring 5, the first annular plate 8 and the first rotating body 9 is prolonged.

The implementation mode is specifically as follows: inserting the cable 1 into the limiting ring 5 to make the clamping block 3 located on the outer circumference of the cable 1, aligning the first external thread on the second rotating body 10 with the first internal thread on the first rotating body 9, rotating the first rotating body 9, the first rotating body 9 driving the first circular plate 8 to rotate in the first circular groove 7, the second rotating body 10 moving into the first rotating body 9 through threaded connection, the second rotating body 10 driving the clamping block 3 to clamp the cable 1 through the circular table hole 11, when the second rotating body 10 is attached to the limiting ring 5, the second rotating body 10 can not move, at this time, stopping rotating the first rotating body 9, then moving the female head 12 to align the second external thread on the sleeve 16 with the second internal thread in the second rotating body 10, then rotating the twisting ring 17, the twisting ring 17 driving the sleeve 16 to rotate, the sleeve 16 driving the second circular plate 15 to rotate in the second circular groove 14, the sleeve 16 moves in the second rotating body 10 through threaded connection, the sleeve 16 drives the female head 12 to move in the second rotating body 10, when the female head 12 is plugged with the cable 1, the rotation of the twisting ring 17 is stopped, when any part on the assembly is damaged and needs to be maintained or replaced, the steps are performed reversely, the disassembly is completed, the first rotating body 9 is rotated, the transmission structure is utilized, the clamping and fixing of the cable 1 are completed, meanwhile, the twisting ring 17 is rotated, the connection between the female head 12 and the cable inner conductor 2 can be realized, the device is simple in structure, convenient to operate and easy to disassemble and install, the maintenance and the replacement are simple and convenient, higher operation requirements are not needed, meanwhile, the clamping block 3 protects the part of the cable inner conductor 2 coming out of the cable 1, impurities are prevented from entering, the device can adapt to severe weather, and the implementation mode particularly solves the problems that the inner conductor of the radio frequency coaxial adapter 13 in the cable assembly and the radio frequency coaxial cable inner conductor in the prior art 2 are generally welded to the fixed structure outside the cable inner conductor 2 through the sleeve 16 at the tail of the radio frequency coaxial adapter 13, which is inconvenient for replacement, maintenance and installation.

This practical theory of operation:

referring to the attached drawings 1-7 of the specification, a cable 1 is inserted into a limiting ring 5, a clamping block 3 is positioned on the outer peripheral surface of the cable 1, a first external thread on a second rotating body 10 is aligned with a first internal thread on a first rotating body 9, the first rotating body 9 is rotated, the first rotating body 9 drives a first circular plate 8 to rotate in a first circular groove 7, the second rotating body 10 moves towards the first rotating body 9 through threaded connection, the second rotating body 10 drives the clamping block 3 to clamp the cable 1 through a circular table hole 11, when the second rotating body 10 is attached to the limiting ring 5, the second rotating body 10 cannot move, at the moment, the first rotating body 9 stops rotating, then a female head 12 is moved, a second external thread on a sleeve 16 is aligned with a second internal thread in the second rotating body 10, then a twisting ring 17 is rotated, the twisting ring 17 drives the sleeve 16 to rotate, the sleeve 16 drives a second circular plate 15 to rotate in a second circular groove 14, sleeve 16 removes to second rotor 10 through threaded connection, and sleeve 16 drives female 12 and removes in second rotor 10, when female 12 and cable 1 grafting completion, the stop rotation turns round ring 17, and when arbitrary part damage needs maintenance or change on this subassembly, the above-mentioned step is reverse to be gone on, accomplishes the dismantlement.

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 present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A radio frequency coaxial cable assembly comprising a cable (1), characterized in that: the cable comprises a cable (1) and is characterized in that a cable inner conductor (2) is wrapped inside the cable (1), a clamping block (3) is arranged outside the cable (1), a sliding block (4) is fixedly connected to one side of the outer wall of the clamping block (3), a limiting ring (5) is arranged outside the clamping block (3), a sliding groove (6) is formed in one end of the inner ring of the limiting ring (5), the sliding block (4) is in sliding connection with the sliding groove (6), a first circular groove (7) is formed in the other end of the inner ring of the limiting ring (5), a first circular plate (8) is rotationally connected in the first circular groove (7), a first rotating body (9) is fixedly connected to one side of the outer wall of the first circular plate (8), a first internal thread is formed in one end of the inner circumferential surface of the first rotating body (9), a second rotating body (10) is arranged inside the first rotating body (9), and a circular table hole (, first external screw threads are formed in one end of the outer peripheral surface of the second rotating body (10), the first external screw threads are in threaded connection with the first internal screw threads, the circular table hole (11) is in sliding connection with the clamping block (3), and second internal screw threads are formed in the inner peripheral surface of the second rotating body (10).

2. The radio frequency coaxial cable assembly of claim 1, wherein: and a female head (12) is arranged at one end, far away from the first rotating body (9), of the second rotating body (10), and an adapter (13) is fixedly connected at one end, far away from the second rotating body (10), of the female head (12).

3. A radio frequency coaxial cable assembly as recited in claim 2, wherein: female head (12) outer peripheral face is opened there is second ring groove (14), second ring groove (14) internal rotation is connected with second ring board (15), second ring board (15) outer peripheral face fixedly connected with sleeve (16), sleeve (16) outer peripheral face one end fixedly connected with twists round ring (17).

4. A radio frequency coaxial cable assembly as recited in claim 3, wherein: and a second external thread is formed at one end of the peripheral surface of the sleeve (16), which is far away from the twisting ring (17), and the second external thread is in threaded connection with the second internal thread.

5. The radio frequency coaxial cable assembly of claim 1, wherein: the number of the sliding grooves (6) is four, and the four sliding grooves (6) are distributed on the inner ring of the limiting ring (5) in an annular array mode.

6. The radio frequency coaxial cable assembly of claim 5, wherein: the number of the clamping blocks (3) is four, the four clamping blocks (3) are distributed on the outer peripheral surface of the cable (1) in an annular array mode, and the sliding blocks (4) on the four clamping blocks (3) are respectively in sliding connection with the four sliding grooves (6).

7. The radio frequency coaxial cable assembly of claim 1, wherein: the clamping block (3), the limiting ring (5), the first circular plate (8) and the first rotating body (9) are all stainless steel components.