CN215497424U

CN215497424U - Multi-channel radio frequency cable assembly

Info

Publication number: CN215497424U
Application number: CN202121194061.8U
Authority: CN
Inventors: 姜涛; 吉利; 宋中波
Original assignee: Beijing Chengyue Microwave Technology Co ltd
Current assignee: Beijing Chengyue Microwave Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-11
Anticipated expiration: 2031-05-31

Abstract

The utility model belongs to the field of radio frequency signal transmission devices, in particular to a multi-channel radio frequency cable assembly, which aims at the problems that the existing cable is poor in stability after being installed on a circuit board, the interference of an external signal to a radio frequency signal end cannot be reduced, and the actual use requirement cannot be met. The cable has good stability after being installed on the circuit board, can reduce the interference of external signals to a radio frequency signal end, and can meet the actual use requirement.

Description

Multi-channel radio frequency cable assembly

Technical Field

The utility model relates to the technical field of radio frequency signal transmission devices, in particular to a multi-channel radio frequency cable assembly.

Background

Radio frequency cables are cables that transmit electromagnetic energy in a radio frequency range, are indispensable components in various radio communication systems and electronic devices, and are widely used in wireless communication and broadcasting, television, radar, navigation, computers, meters, and the like.

At present, the multi-channel radio frequency cable assembly is provided with a cable on a circuit board, but the cable is poor in stability after being installed on the circuit board, and cannot reduce the interference of an external signal to a radio frequency signal end and meet the actual use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the prior art, after a cable is installed on a circuit board, the stability is poor, the interference of an external signal to a radio frequency signal end cannot be reduced, and the actual use requirement cannot be met.

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

a multi-channel radio frequency cable assembly comprises a lower shield, wherein the top of the lower shield is in contact with an upper shield, a circuit board and a board-to-board radio frequency connector are clamped in the lower shield and the upper shield, the board-to-board radio frequency connector is fixedly connected with the circuit board, a plurality of cables are connected on the circuit board, a plurality of arc-shaped holes are respectively formed in one sides of the lower shield and the upper shield, which are close to each other, the cables are in close contact with the corresponding two arc-shaped holes, two long positioning plates and two short positioning plates are fixedly connected with the bottom of the upper shield, two long positioning grooves and two short positioning grooves are formed in the top of the lower shield, the long positioning plates and the short positioning plates are respectively clamped with the long positioning grooves and the short positioning grooves, a sliding groove is formed in one side of the lower shield, a sliding plate is slidably mounted in the sliding groove, and two lower clamping plates are fixedly connected with one side of the sliding plate, the improved structure of the sliding plate is characterized in that a lower clamping groove is formed in one side of the long positioning plate, the lower clamping plate and the lower clamping groove are clamped, a side plate is fixedly connected to the other side of the sliding plate, two upper clamping plates are fixedly connected to the top of the side plate, an upper clamping groove is formed in one side of the short positioning plate, the upper clamping plates and the upper clamping grooves are clamped, a spring is welded to one side of the side plate, a side groove is formed in one side of the lower shielding case, and one end of the spring is welded to the inner wall of one side of the side groove.

Preferably, the plurality of cables are arranged at equal intervals.

Preferably, two lower transverse holes are formed in the inner wall of one side of the sliding groove, and one side of the lower clamping plate penetrates through the lower transverse holes.

Preferably, an upper transverse hole is formed in the inner wall of one side of the short positioning groove, and one side of the upper clamping plate penetrates through the upper transverse hole.

Preferably, one side of the side plate is in contact with the lower shield case.

Preferably, the other side of the side plate is fixedly connected with a pull rod.

In the utility model, the multi-channel radio frequency cable assembly is provided,

through the upper shielding cover, the lower shielding cover and the arc-shaped holes, the interference of external signals to a radio frequency signal end can be reduced, the cable can be clamped tightly, and the stability of the cable after installation can be improved;

through the lower cardboard that sets up, go up cardboard, long locating plate, short locating plate, curb plate, spring, pull rod and slide, only need stimulate the pull rod, can remove spacing to last shield cover, the shield cover is convenient for take off this moment, only need loosen the pull rod, can carry out spacing processing, easy operation to last shield cover promptly.

Drawings

Fig. 1 is a schematic structural view of a multi-path rf cable assembly according to the present invention;

FIG. 2 is a schematic cross-sectional view of a multi-pass RF cable assembly according to the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 2.

In the figure: 1. a lower shield case; 2. an upper shield case; 3. a circuit board; 4. a board-to-board radio frequency connector; 5. a cable; 6. an arc-shaped hole; 7. a long positioning plate; 8. a short positioning plate; 9. a slide plate; 10. a lower clamping plate; 11. a side plate; 12. an upper clamping plate; 13. a spring; 14. a pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The utility model provides a technical scheme of a multi-channel radio frequency cable assembly, which comprises the following steps:

referring to fig. 2 and 3, the shielding device comprises a lower shielding case 1, an upper shielding case 2 is contacted with the top of the lower shielding case 1, a circuit board 3 and a board-to-board radio frequency connector 4 are clamped in the lower shielding case 1 and the upper shielding case 2, the board-to-board radio frequency connector 4 is fixedly connected with the circuit board 3, a plurality of cables 5 are connected with the circuit board 3, a plurality of arc holes 6 are respectively arranged at one side of the lower shielding case 1, which is close to the upper shielding case 2, the cables 5 are tightly contacted with the corresponding two arc holes 6, two long positioning plates 7 and two short positioning plates 8 are fixedly connected with the bottom of the upper shielding case 2, two long positioning grooves and two short positioning grooves are arranged at the top of the lower shielding case 1, the long positioning plates 7 and the short positioning plates 8 are respectively clamped with the long positioning grooves and the short positioning grooves, a sliding groove is arranged at one side of the lower shielding case 1, a sliding plate 9 is slidably mounted in the sliding groove, two lower clamping plates 10 are fixedly connected with one side of the sliding plate 9, one side of the long positioning plate 7 is provided with a lower clamping groove, the lower clamping plate 10 is clamped with the lower clamping groove, the other side of the sliding plate 9 is fixedly connected with a side plate 11, the top of the side plate 11 is fixedly connected with two upper clamping plates 12, one side of the short positioning plate 8 is provided with an upper clamping groove, the upper clamping plates 12 are clamped with the upper clamping grooves, one side of the side plate 11 is welded with a spring 13, one side of the lower shielding case 1 is provided with a side groove, one end of the spring 13 is welded on the inner wall of one side of the side groove, the circuit board 3 and the plate-to-plate radio frequency connector 4 are clamped in the lower shielding case 1 and then covered with the upper shielding case 2, at the moment, the corresponding two arc-shaped holes 6 clamp and fix the cable 5, the pull rod 14 is loosened, the spring 13 resets to drive the side plate 11 to move, the side plate 11 drives the sliding plate 9 and the upper clamping plate 12 to move, the sliding plate 9 drives the lower clamping plate 10 to move, and further enables the upper clamping plate 12 and the lower clamping plate 10 to be clamped into the upper clamping groove and the lower clamping groove respectively, the upper shield case 2 is fixed.

As shown in fig. 1, the plurality of cables 5 are arranged at equal intervals, and one side of the side plate 11 is in contact with the lower shield case 1 to limit the side plate 11.

According to fig. 2, two lower transverse holes are formed in the inner wall of one side of the sliding groove, one side of the lower clamping plate 10 penetrates through the lower transverse holes, so that the lower clamping plate 10 can move conveniently, an upper transverse hole is formed in the inner wall of one side of the short positioning groove, one side of the upper clamping plate 12 penetrates through the upper transverse hole, so that the upper clamping plate 12 can move conveniently, a pull rod 14 is fixedly connected to the other side of the side plate 11, and the side plate 11 is driven to move through the pull rod 14.

In the utility model, when the cable 5 is used, the circuit board 3 and the board-to-board radio frequency connector 4 can be clamped in the lower shielding case 1 and the upper shielding case 2 through the arranged lower shielding case 1 and the upper shielding case 2, so that the interference of an external signal to a radio frequency signal end can be reduced, the cable 5 can be clamped through the arranged arc-shaped hole 6, the stability of the installation of the cable 5 can be further improved, the pull rod 14 is pulled, the pull rod 14 drives the side plate 11 to move, the side plate 11 stretches the spring 13, the side plate 11 drives the sliding plate 9 and the upper clamping plate 12 to move, the sliding plate 9 drives the lower clamping plate 10 to move, so that the upper clamping plate 12 and the lower clamping plate 10 are respectively moved out of the upper clamping groove and the lower clamping groove, the limitation on the upper shielding case 2 can be relieved, at the moment, the upper shielding case 2 can be taken down, and the maintenance of the circuit board 3 and the board-to-board radio frequency connector 4 can be facilitated.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multi-channel radio frequency cable assembly comprises a lower shielding case (1) and is characterized in that the top of the lower shielding case (1) is contacted with an upper shielding case (2), a circuit board (3) and a board-to-board radio frequency connector (4) are clamped in the lower shielding case (1) and the upper shielding case (2), the board-to-board radio frequency connector (4) is fixedly connected with the circuit board (3), the circuit board (3) is connected with a plurality of cables (5), one sides of the lower shielding case (1) and the upper shielding case (2) close to each other are respectively provided with a plurality of arc-shaped holes (6), the cables (5) are closely contacted with the corresponding two arc-shaped holes (6), the bottom of the upper shielding case (2) is fixedly connected with two long positioning plates (7) and two short positioning plates (8), the top of the lower shielding case (1) is provided with two long positioning grooves and two short positioning grooves, the long positioning plate (7) and the short positioning plate (8) are respectively clamped with the long positioning groove and the short positioning groove, one side of the lower shielding case (1) is provided with a sliding chute, a sliding plate (9) is arranged in the sliding chute in a sliding way, one side of the sliding plate (9) is fixedly connected with two lower clamping plates (10), one side of the long positioning plate (7) is provided with a lower clamping groove, the lower clamping plate (10) is clamped with the lower clamping groove, the other side of the sliding plate (9) is fixedly connected with a side plate (11), the top of the side plate (11) is fixedly connected with two upper clamping plates (12), one side of the short positioning plate (8) is provided with an upper clamping groove, the upper clamping plate (12) is clamped with the upper clamping groove, one side of the side plate (11) is welded with a spring (13), a side groove is formed in one side of the lower shielding case (1), and one end of the spring (13) is welded to the inner wall of one side of the side groove.

2. A multi-pass radio frequency cable assembly according to claim 1, wherein the plurality of cables (5) are arranged at equal intervals.

3. The assembly of claim 1, wherein two lower transverse holes are formed on an inner wall of one side of the sliding groove, and one side of the lower clamping plate (10) penetrates through the lower transverse holes.

4. The assembly of claim 1, wherein the short positioning groove has an inner wall with an upper transverse hole, and one side of the upper clamping plate (12) penetrates the upper transverse hole.

5. A multi-path radio frequency cable assembly according to claim 1, wherein one side of the side plate (11) is in contact with the lower shield (1).

6. A multi-channel rf cable assembly according to claim 1, wherein a pull rod (14) is fixedly connected to the other side of the side plate (11).