Multi-channel radio frequency cable assembly

By introducing extendable line connectors and quick disassembly structures into the RF cable assembly, the problem of inability to adjust the position of the line connectors and complex circuit board maintenance is solved, and flexible installation and low-cost maintenance are achieved.

CN223246022UActive Publication Date: 2025-08-19WUHAN LISHEN ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422675504.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-08-19
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The wiring connectors of existing RF cable assemblies cannot be freely moved and adjusted within a certain range, and cannot adapt to different installation environments and equipment layouts, resulting in complex maintenance operations and high labor costs.

Method used

A multi-pass radio frequency cable assembly is designed, including a first shielding cover, a shaft plate, a threaded rod, an internal thread block, a limit ring and an external joint. Through threaded connection and bevel gear meshing, the circuit joint can be extended and the circuit board quick-removing structure is realized, allowing the circuit joint to move freely within a certain range and simplifying maintenance operations.

Benefits of technology

It realizes flexible adjustment of line connectors and rapid disassembly of circuit boards, adapts to different installation environments, and reduces maintenance complexity and labor costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of radio frequency cables, and provides a multi-channel radio frequency cable assembly, which comprises a first shielding case, the inner surface of the first shielding case is fixedly connected with a shaft plate, the inside of the shaft plate is rotatably connected with a plurality of threaded rods, the outer surfaces of the threaded rods are in threaded connection with inner threaded blocks, and the inner threaded blocks are in threaded connection with the outer surfaces of the threaded rods. A limiting ring is fixedly connected to the bottom of the inner threaded block, a plurality of limiting rods are fixedly connected to one side of the shaft plate, the outer surfaces of the limiting rods are movably embedded in the inner surface of the limiting ring, a follow-up plate is arranged on the side, away from the threaded rod, of the inner threaded block, and an outer connector is fixedly embedded in the follow-up plate. And the outer surfaces of the plurality of outer joints are movably embedded in one side of the first shielding cover. According to the utility model, the device is provided with a circuit joint extension structure, the circuit joint can freely move and adjust the position within a certain range, different installation environments and equipment layouts can be adapted, and when the circuit joint breaks down or needs to be replaced, the operation is simple.
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Description

Technical Field

[0001] The utility model relates to the technical field of radio frequency cables, in particular to a multi-channel radio frequency cable assembly. Background Art

[0002] RF cables are cables that transmit electromagnetic energy within the radio frequency range. RF cables are indispensable components in various radio communication systems and electronic equipment, and are widely used in wireless communications and broadcasting, television, radar, navigation, computers, and instrumentation. Some traditional RF cable assemblies on the current market fix the cables to the circuit board, but there are still some defects during use. For example, the cable has poor stability after being installed on the circuit board, and cannot reduce the interference of external signals on the RF signal end, which cannot meet actual use needs, and the external wiring harness is more troublesome.

[0003] However, in the prior art, for example, Chinese Publication No. CN220822088U, "A Multi-channel Radio Frequency Cable Assembly," the utility model relates to a multi-channel radio frequency cable assembly, comprising an upper shielding cover, two rotating rods movably mounted on the top of the upper shielding cover, a lower shielding cover movably mounted on the bottom of the upper shielding cover, and a functional structure movably mounted on the right outer surface of the upper shielding cover. When in use, the multi-channel radio frequency cable assembly can be clamped into the lower and upper shielding covers through the lower and upper shielding covers, thereby reducing interference from external signals on the radio frequency signal end. Then, the cable body can be clamped through the arc-shaped openings on the outer surfaces of the lower and upper shielding covers, thereby improving the stability of the cable body installation, wherein the plug-in rod enters the interior of the upper shielding cover through the through opening.

[0004] However, this device does not have an extendable line connector structure, and the line connector cannot be freely moved and adjusted within a certain range. It cannot adapt to different installation environments and equipment layouts. When the line connector fails or needs to be replaced, the operation is more complicated. The device does not have a quick-disassembly structure for the circuit board. When the circuit board has a problem and needs maintenance, disassembly is more complicated and the maintenance labor cost is high. Utility Model Content

[0005] The purpose of the utility model is to solve the problems in the prior art that the line connector cannot be freely moved and adjusted within a certain range, cannot adapt to different installation environments and equipment layouts, when the line connector fails or needs to be replaced, the operation is relatively complicated, and when the circuit board has problems and needs maintenance, the disassembly is relatively complicated, and the maintenance labor cost is high.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-channel radio frequency cable assembly, comprising a first shielding cover, the inner surface of the first shielding cover is fixedly connected to an axis plate, the interior of the axis plate is rotatably connected to multiple threaded rods, the outer surface of the threaded rod is threadedly connected to an internal threaded block, the bottom of the internal threaded block is fixedly connected to a limiting ring, one side of the axis plate is fixedly connected to multiple limit rods, the outer surface of the limit rod is movably embedded in the inner surface of the limit ring, the side of the internal threaded block away from the threaded rod is provided with a follower plate, the inside of the follower plate is fixedly embedded with an external joint, the outer surfaces of the multiple external joints are movably embedded in one side of the first shielding cover, the outer surface of the external joint is movably sleeved with a spring, one end of the spring away from the follower plate is fixedly connected to the inner surface of the first shielding cover, and the one end of the spring away from the first shielding cover is fixedly connected to the side of the follower plate, the threaded rod rotates inside the axis plate, and the rotating thread drives the internal thread block.

[0007] As a preferred embodiment, the end of the threaded rod away from the internal threaded block is fixedly connected to a driven bevel gear, and the outer surface of the driven bevel gear is meshed with a driving bevel gear. The driving bevel gear that rotates with the power rod will drive the driven bevel gear under the meshing action.

[0008] As a preferred embodiment, a power rod is fixedly embedded inside the active bevel gear, and the outer surfaces of multiple power rods are rotatably connected to the inside of the first shielding cover and extend one end. The extended end of the power rod is fixedly connected to a rotating rod, and the power rod is rotated through the corresponding rotating rod.

[0009] As a preferred embodiment, a second shielding cover is provided on one side of the first shielding cover, and a plurality of bolts are rotatably connected inside the second shielding cover, and the outer surfaces of the plurality of bolts are threadedly connected to one side of the first shielding cover, and the first shielding cover and the second shielding cover can be connected by rotating the bolts.

[0010] As a preferred embodiment, a first clamping block is fixedly connected to the inner surface of the second shielding cover, and a second clamping block is provided inside the second shielding cover. The first clamping block and the second clamping block are close to each other to fix the internal circuit board.

[0011] As a preferred embodiment, the bottom of the second clamping block is fixedly connected to a first connecting rod, the bottom of the first connecting rod is fixedly connected to a limiting sleeve, the inner surface of the limiting sleeve is movably embedded with a limiting column, both ends of the limiting column are fixedly connected to the inner surface of the second shielding cover, and the limiting sleeve is fixed to the bottom of the second clamping block through the first connecting rod.

[0012] As a preferred embodiment, the bottom of the second clamping block is fixedly connected to a second connecting rod, the bottom of the second connecting rod is fixedly connected to an internal threaded sleeve, and the internal threaded sleeve is fixed to the bottom of the second clamping block through the second connecting rod.

[0013] As a preferred embodiment, the inner surface of the internal threaded sleeve is threadedly connected to a screw rod, the outer surface of the screw rod is rotatably connected to the inside of the second shielding cover and extends one end, and the extended end of the screw rod is fixedly connected to a knob, which drives the screw rod to rotate.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are:

[0015] The utility model provides a device with an extendable line connector structure. The line connector can be freely moved and adjusted within a certain range, and can adapt to different installation environments and equipment layouts. When the line connector fails or needs to be replaced, the operation is relatively simple.

[0016] The utility model provides a quick-disassembly structure for the circuit board in the device. When a problem occurs with the circuit board and maintenance is required, disassembly is relatively simple and the maintenance labor cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a multi-channel radio frequency cable assembly provided by the utility model;

[0018] Figure 2 This is a schematic diagram of the back structure of a multi-channel radio frequency cable assembly provided by the present invention;

[0019] Figure 3 This is a schematic cross-sectional view of a multi-channel radio frequency cable assembly provided by the present invention;

[0020] Figure 4 This is a schematic cross-sectional view of a multi-channel radio frequency cable assembly provided by the present invention;

[0021] Figure 5 The utility model provides a multi-channel radio frequency cable assembly Figure 3 Schematic diagram of the enlarged structure of A in the figure.

[0022] Legend:

[0023] 1. First shielding cover; 2. Shaft plate; 3. Threaded rod; 4. Internal thread block; 5. Limiting ring; 6. Limiting rod; 7. Follower plate; 8. External joint; 9. Spring; 10. Driven bevel gear; 11. Driving bevel gear; 12. Power rod; 13. Rotating rod; 14. Second shielding cover; 15. Bolt; 16. First clamping block; 17. Second clamping block; 18. First connecting rod; 19. Limiting sleeve; 20. Limiting column; 21. Second connecting rod; 22. Internal thread sleeve; 23. Screw; 24. Knob. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1 to 5 The utility model provides a technical solution: a multi-channel RF cable assembly, comprising a first shielding cover 1, an inner surface of the first shielding cover 1 is fixedly connected to a shaft plate 2, the interior of the shaft plate 2 is rotatably connected to a plurality of threaded rods 3, the outer surface of the threaded rod 3 is threadedly connected to an internal threaded block 4, the bottom of the internal threaded block 4 is fixedly connected to a limit ring 5, one side of the shaft plate 2 is fixedly connected to a plurality of limit rods 6, the outer surface of the limit rod 6 is movably embedded in the inner surface of the limit ring 5, the side of the internal threaded block 4 away from the threaded rod 3 is provided with a follower plate 7, the inside of the follower plate 7 is fixedly embedded with an external joint 8, the outer surfaces of the plurality of external joints 8 are movably embedded in one side of the first shielding cover 1, the outer surface of the external joint 8 is movably sleeved with a spring 9, one end of the spring 9 away from the follower plate 7 is fixedly connected to the inner surface of the first shielding cover 1, and the end of the spring 9 away from the first shielding cover 1 is fixedly connected to the side of the follower plate 7, the limit ring 5 at the bottom of the internal threaded block 4 can only move along the axial direction of the limit rod 6, so rotating the thread will cause the internal threaded block 4 to move along the axial direction of the limit rod 6.

[0026] like Figures 1 to 5 As shown, the end of the threaded rod 3 away from the internal thread block 4 is fixedly connected to the driven bevel gear 10, and the outer surface of the driven bevel gear 10 is meshed with the driving bevel gear 11. The driving bevel gear 11 that rotates with the power rod 12 will drive the driven bevel gear 10 under the meshing action.

[0027] like Figures 1 to 5As shown, a power rod 12 is fixedly embedded inside the active bevel gear 11, and the outer surfaces of multiple power rods 12 are rotatably connected to the inside of the first shielding cover 1 and extend one end. The extended end of the power rod 12 is fixedly connected to a rotating rod 13, and the power rod 12 is rotated by the corresponding rotating rod 13.

[0028] like Figures 1 to 5 As shown, a second shielding cover 14 is provided on one side of the first shielding cover 1, and a plurality of bolts 15 are rotatably connected inside the second shielding cover 14. The outer surfaces of the plurality of bolts 15 are threadedly connected to one side of the first shielding cover 1, and the first shielding cover 1 and the second shielding cover 14 can be connected by rotating the bolts 15.

[0029] like Figures 1 to 5 As shown, a first clamping block 16 is fixedly connected to the inner surface of the second shielding cover 14 , and a second clamping block 17 is provided inside the second shielding cover 14 . The first clamping block 16 and the second clamping block 17 are close to each other to fix the internal circuit board.

[0030] like Figures 1 to 5 As shown, the bottom of the second block 17 is fixedly connected to the first connecting rod 18, and the bottom of the first connecting rod 18 is fixedly connected to the limiting sleeve 19. The inner surface of the limiting sleeve 19 is movably embedded with a limiting column 20. The two ends of the limiting column 20 are fixedly connected to the inner surface of the second shielding cover 14, and the limiting sleeve 19 can only move along the axial direction of the limiting column 20.

[0031] like Figures 1 to 5 As shown, the bottom of the second clamping block 17 is fixedly connected to a second connecting rod 21 , the bottom of the second connecting rod 21 is fixedly connected to an internal threaded sleeve 22 , and the internal threaded sleeve 22 is fixed to the bottom of the second clamping block 17 through the second connecting rod 21 .

[0032] like Figures 1 to 5 As shown, the inner surface of the internal threaded sleeve 22 is threadedly connected to a screw rod 23, the outer surface of the screw rod 23 is rotatably connected to the inside of the second shielding cover 14 and extends one end, and the extended end of the screw rod 23 is fixedly connected to a knob 24, and rotating the thread will drive the internal threaded sleeve 22.

[0033] Working principle: first place the circuit board between the first block 16 and the second block 17, then drive the screw rod 23 to rotate through the knob 24, and the rotating thread will drive the internal thread sleeve 22, and the internal thread sleeve 22 is fixed to the bottom of the second block 17 through the second connecting rod 21. The limit sleeve 19 can only move along the axial direction of the limit column 20. The limit sleeve 19 is fixed to the bottom of the second block 17 through the first connecting rod 18, so the rotating thread will make the second block 17 move along the axial direction of the limit column 20 and fix the internal circuit board. Secondly, the wires between the circuit board and the external connector 8 are connected, and then the first shielding cover 1 and the second shielding cover 14 can be connected by rotating the bolt 15. When the power is on, When the road plate and the cable need to be connected, first, the power rod 12 is rotated through the corresponding rotating rod 13. The active bevel gear 11 that rotates with the power rod 12 will drive the driven bevel gear 10 under the action of meshing, and let the threaded rod 3 rotate inside the shaft plate 2. The rotating thread will drive the internal thread block 4. The limiting ring 5 at the bottom of the internal thread block 4 can only move along the axial direction of the limiting rod 6. Therefore, the rotating thread will make the internal thread block 4 move along the axial direction of the limiting rod 6 and push the follower plate 7, compressing the internal spring 9. When the follower plate 7 moves, it will push the external joint 8, and the external joint 8 can be connected to the cable. Rotate the rotating rod 13 in the opposite direction, the spring 9 will release the elastic potential energy, and the external joint 8 will retract into the device.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A multi-channel radio frequency cable assembly, comprising a first shielding cover (1), characterized in that: The inner surface of the first shielding cover (1) is fixedly connected to a shaft plate (2), the interior of the shaft plate (2) is rotatably connected to a plurality of threaded rods (3), the outer surface of the threaded rod (3) is threadedly connected to an internal threaded block (4), the bottom of the internal threaded block (4) is fixedly connected to a limiting ring (5), one side of the shaft plate (2) is fixedly connected to a plurality of limiting rods (6), the outer surface of the limiting rod (6) is movably embedded in the inner surface of the limiting ring (5), a follower plate (7) is provided on the side of the internal threaded block (4) away from the threaded rod (3), an external joint (8) is fixedly embedded in the interior of the follower plate (7), the outer surfaces of the plurality of external joints (8) are movably embedded in one side of the first shielding cover (1), the outer surface of the external joint (8) is movably sleeved with a spring (9), one end of the spring (9) away from the follower plate (7) is fixedly connected to the inner surface of the first shielding cover (1), and one end of the spring (9) away from the first shielding cover (1) is fixedly connected to one side of the follower plate (7).

2. The multi-channel radio frequency cable assembly according to claim 1, characterized in that: One end of the threaded rod (3) away from the internal threaded block (4) is fixedly connected to a driven bevel gear (10), and the outer surface of the driven bevel gear (10) is meshedly connected to a driving bevel gear (11).

3. The multi-channel radio frequency cable assembly according to claim 2, characterized in that: A power rod (12) is fixedly embedded in the interior of the active bevel gear (11), and the outer surfaces of the plurality of power rods (12) are rotatably connected to the interior of the first shielding cover (1) and extend out at one end, and the extended end of the power rod (12) is fixedly connected to a rotary rod (13).

4. The multi-channel radio frequency cable assembly according to claim 3, characterized in that: A second shielding cover (14) is provided on one side of the first shielding cover (1), a plurality of bolts (15) are rotatably connected inside the second shielding cover (14), and the outer surfaces of the plurality of bolts (15) are threadedly connected to one side of the first shielding cover (1).

5. The multi-channel radio frequency cable assembly according to claim 4, characterized in that: A first clamping block (16) is fixedly connected to the inner surface of the second shielding cover (14), and a second clamping block (17) is provided inside the second shielding cover (14).

6. The multi-channel radio frequency cable assembly according to claim 5, characterized in that: The bottom of the second clamping block (17) is fixedly connected to a first connecting rod (18), the bottom of the first connecting rod (18) is fixedly connected to a limiting sleeve (19), the inner surface of the limiting sleeve (19) is movably embedded with a limiting column (20), and both ends of the limiting column (20) are fixedly connected to the inner surface of the second shielding cover (14).

7. The multi-channel radio frequency cable assembly according to claim 6, characterized in that: The bottom of the second clamping block (17) is fixedly connected to a second connecting rod (21), and the bottom of the second connecting rod (21) is fixedly connected to an internal threaded sleeve (22).

8. The multi-channel radio frequency cable assembly according to claim 7, characterized in that: The inner surface of the internal threaded sleeve (22) is threadedly connected to a screw rod (23), the outer surface of the screw rod (23) is rotatably connected to the interior of the second shielding cover (14) and extends one end, and the extended end of the screw rod (23) is fixedly connected to a knob (24).

Citation Information

Patent Citations

  • Multi-channel radio frequency cable assembly

    CN220822088U