Signal cable and assembly thereof

Abstract

The utility model relates to the technical field of cables, in particular to a signal cable and an assembly thereof, which comprises at least two groups of cable cores. The shielding layer is used for wrapping all the cable cores; the core column is arranged in the shielding layer; and the plurality of partition plates extend outwards along the radial direction of the core column, and the adjacent partition plates are in contact with the inner surface of the shielding layer, so that a plurality of mutually independent accommodating spaces for accommodating cable cores are formed. According to the utility model, the plurality of clapboards for supporting the shielding layer are annularly distributed by taking the core column as the center, stable and uniform internal support can be provided for the shielding layer, the elastic components are arranged between the clapboards to support the shielding layer from the inside, and when the shielding layer is pressed to be concave inwards, the elastic components generate elastic deformation and accumulate elastic potential energy; and the elastic part releases elastic potential energy to provide internal force for recovering the shielding layer, so that the shielding layer is always in an initial state and fully wraps the cable core.

Description

Technical Field

[0001] This utility model relates to the field of cable technology, and in particular to a signal cable and its components. Background Technology

[0002] Signal cables typically transmit very small signals. To prevent signal interference, signal cables have an outer shielding layer. Currently, the common practice is to wrap the cable core with tin foil as a shielding layer inside the outer insulating protective sheath. The shielding layer needs to be grounded so that external interference signals can be conducted to the ground, preventing interference signals from entering the inner conductor and reducing signal loss, thus giving the cable good electromagnetic interference resistance.

[0003] Current technical problems: Because the tin foil is relatively soft, it is prone to dents and misalignments when subjected to external pressure or folding, which prevents the tin foil from fully wrapping the cable core, thus reducing the cable's electromagnetic interference resistance. Utility Model Content

[0004] In view of this, the purpose of this utility model is to propose a signal cable and its components to solve the technical problem that the shielding layer of existing signal cables is prone to denting and misalignment after being compressed.

[0005] To achieve the above objectives, this utility model provides a signal cable, comprising:

[0006] At least two sets of cable cores;

[0007] A shielding layer used to enclose all the cable cores;

[0008] Core pillars disposed in the shielding layer;

[0009] Multiple partitions extending outward along the radial direction of the core post, with adjacent partitions contacting the inner surface of the shielding layer, thereby forming multiple independent accommodating spaces for accommodating the cable core;

[0010] Elastic components are arranged in a ring around the core column in each accommodating space. The elastic components are used to accumulate elastic potential energy after the shielding layer is deformed by radial pressure, thereby giving the shielding layer an internal force to resist external forces by releasing the elastic potential energy.

[0011] As a preferred embodiment of the present invention, the elastic component includes an elastic frame with one end open, and a limiting groove matching the cross-sectional profile of the elastic frame is provided between adjacent partitions, and the elastic frame is fixed in the limiting groove.

[0012] As a preferred embodiment of this utility model, the opening of the elastic frame is rolled outward to form an expanding contact head, which contacts the inner surface of the shielding layer.

[0013] As a preferred embodiment of this invention, the elastic frame has a space inside for wrapping the cable core.

[0014] As a preferred embodiment of this utility model, the accommodating space is filled with a filling layer.

[0015] As a preferred embodiment of this invention, the surface of the partition is provided with extended fins for increasing the contact area with the filling layer.

[0016] As a preferred embodiment of this invention, the cable core includes a conductor and an insulating layer wrapped around the conductor.

[0017] As a preferred embodiment of this invention, the shielding layer is provided with a metal wrapping layer on its exterior.

[0018] As a preferred embodiment of this invention, a protective sleeve is provided on the outside of the metal cladding layer.

[0019] This utility model also improves a signal cable assembly, including a connector, a joint, and a signal cable.

[0020] The beneficial effects of this utility model are as follows: This utility model provides stable and uniform internal support for the shielding layer by arranging multiple supporting shielding layers in a ring around the core column. At the same time, elastic components are set between the partitions to support the shielding layer from the inside. When the shielding layer is compressed and becomes concave, the elastic components undergo elastic deformation and accumulate elastic potential energy. The elastic components release the elastic potential energy to provide the internal force to restore the shielding layer, thereby ensuring that the shielding layer is always in its initial state and fully wraps the cable core. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a partial three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the cross-sectional half-section structure of this utility model.

[0024] The markings in the diagram are: 1. Core post; 2. Partition plate; 3. Conductor; 4. Insulation layer; 5. Limiting groove; 6. Elastic frame; 7. Contact head; 8. Extension fin; 9. Shielding layer; 10. Metal cladding layer; 11. Protective sleeve; 12. Filling layer. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0026] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] like Figure 1 and Figure 2 As shown, a signal cable includes: at least two sets of cable cores; a shielding layer 9 for enclosing all the cable cores; a core post 1 disposed in the shielding layer 9; a plurality of partitions 2 extending outward along the radial direction of the core post 1, with adjacent partitions 2 contacting the inner surface of the shielding layer 9 to form a plurality of independent accommodating spaces for accommodating the cable cores; and elastic components arranged in a ring around the core post 1 in each accommodating space, the elastic components being used to accumulate elastic potential energy after the shielding layer 9 is deformed by radial pressure, thereby giving the shielding layer 9 an internal force to resist external forces by releasing the elastic potential energy.

[0028] The above technical solution enables the shielding layer 9 to automatically recover after being compressed. For shielding effect considerations, the shielding layer 9 is made of tin. The core column 1 and the partition 2 are integrally formed and made of aluminum alloy, which has sufficient strength and good flexibility. Multiple partitions 2 are arranged in a ring around the core column 1 to support the shielding layer 9, which can provide stable and uniform internal support force for the shielding layer 9. At the same time, elastic components are also set between the partitions 2. The elastic components support the shielding layer 9 from the inside. When the signal cable is squeezed, the pressure will cause the shielding layer 9 to be concave in the gap between the partitions 2. The deformation of the shielding layer 9 will also cause the elastic components to undergo elastic deformation, thereby accumulating elastic potential energy. Once the force applied to the outside of the signal cable disappears, the elastic components will automatically reset and release the elastic potential energy, realizing the application of outward tension to the shielding layer 9 from the inside, so that the concavity of the shielding layer 9 can be restored, thus ensuring that the shielding layer 9 is always in the initial state and fully wraps the cable core.

[0029] like Figure 1 As shown, in this embodiment, the elastic component includes an elastic frame 6 with one end open, and a limiting groove 5 matching the cross-sectional profile of the elastic frame 6 is provided between adjacent partitions 2. The elastic frame 6 is fixed in the limiting groove 5. The opening of the elastic frame 6 is rolled outward to form an expanding contact head 7, which contacts the inner surface of the shielding layer 9. The elastic frame 6 can be made of rubber material.

[0030] The above technical solution can provide stable internal support for the shielding layer 9. By opening one end of the elastic frame 6 and setting an expandable contact head 7 at the opening, the shielding layer 9 can transfer the force to the elastic frame 6 through the contact head 7 after being compressed, thereby causing the elastic frame 6 to undergo elastic deformation.

[0031] like Figure 2 As shown, in this embodiment, the elastic frame 6 has a space inside for wrapping the cable core;

[0032] The above technical solution can protect the cable core.

[0033] like Figure 2 As shown, in this embodiment, the accommodating space is filled with a filling layer 12, and polyethylene is used as the filling material in the filling layer 12, which can play a good role in waterproofing and moisture-proofing.

[0034] The above technical solution can fill the cable core and elastic frame 6 in the accommodating space, avoiding the irregular shape of the cable due to uneven arrangement of the cable core. At the same time, the filling layer 12 can ensure that the signal cable has sufficient mechanical strength during transportation and installation and is not easily damaged.

[0035] like Figure 1 and Figure 2As shown, in this embodiment, the surface of the partition 2 is provided with extended fins 8 for increasing the contact area with the filling layer 12;

[0036] The above technical solution can improve the contact stability between the accommodating space and the filling material.

[0037] like Figure 1 and Figure 2 As shown, in this embodiment, the cable core includes a conductor 3 and an insulating layer 4 wrapped around the conductor 3;

[0038] The above technical solution enables signal transmission. Conductor 3 is made of solid copper, which has good structural strength and is corrosion resistant. Insulation layer 4 uses polypropylene as insulation material, which can increase the cable operating temperature to 90℃.

[0039] like Figure 1 As shown, in this embodiment, a metal wrapping layer 10 is provided on the outside of the shielding layer 9;

[0040] The above technical solution can protect the shielding layer 9. The metal wrapping layer 10 is tin foil. The tin foil is selected in strip shape and is spirally wrapped around the cable core in the axial direction, forming a compression and binding with the shielding layer 9.

[0041] like Figure 1 As shown, in this embodiment, a protective sleeve 11 is provided on the outside of the metal cladding layer 10;

[0042] The above technical solution can improve the flame retardant effect of signal cables. The protective sleeve 11 is made of ceramicized silicone rubber, which has good fireproof, flame retardant, low smoke and non-toxic properties. The residue after combustion is a hard ceramicized shell, which is suitable for the installation of signal cables in fire-prone areas.

[0043] This utility model also provides a signal cable assembly, including a connector, a joint, and any one of the above-mentioned signal cables.

[0044] Working principle: For shielding effect considerations, the shielding layer 9 is made of tin. The core column 1 and the partition 2 are integrally formed and made of aluminum alloy, which has sufficient strength and good flexibility. Multiple partitions 2 are arranged in a ring around the core column 1 to support the shielding layer 9, which can provide stable and uniform internal support force for the shielding layer 9. At the same time, an elastic frame 6 is also set between the partitions 2. An expansion contact 7 is set at one end of the elastic frame 6. When the shielding layer 9 is compressed, the force can be transferred to the elastic frame 6 through the contact 7, so that the elastic frame 6 undergoes elastic deformation and accumulates elastic potential energy. Once the force applied to the outside of the signal cable disappears, the elastic frame 6 will automatically reset and release the elastic potential energy. The elastic frame 6, through the contact 7, applies outward tension to the shielding layer 9 from the inside, so that the concavity of the shielding layer 9 can be restored, thus ensuring that the shielding layer 9 is always in its initial state and fully wraps the cable core.

[0045] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0046] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A signal cable, comprising: at least two groups of cable cores; a shielding layer (9) for wrapping all the cable cores inside; characterized in that the signal cable further comprises: a core column (1) arranged in the shielding layer (9); a plurality of partitions (2) extending outward in the radial direction of the core column (1), adjacent partitions (2) being in contact with the inner surface of the shielding layer (9) to form a plurality of mutually independent accommodation spaces for accommodating cable cores; a resilient member arranged in each accommodation space in the form of a ring centered on the core column (1), the resilient member being used to accumulate elastic potential energy after the shielding layer (9) is deformed by radial pressure, and to impart an internal force to the shielding layer (9) to resist external force by releasing the elastic potential energy.

2. The signal cable of claim 1, wherein, The resilient member comprises an open-ended resilient frame (6), a limiting groove (5) matching the cross-sectional profile of the resilient frame (6) being formed between adjacent partitions (2), and the resilient frame (6) being fixed in the limiting groove (5).

3. The signal cable of claim 2, wherein, The opening of the resilient frame (6) is curled outward to form an expansive abutting head (7) in contact with the inner surface of the shielding layer (9).

4. The signal cable of claim 3, wherein, The resilient frame (6) has a space inside for wrapping cable cores.

5. The signal cable of claim 1, wherein, The accommodation space is filled with a filler layer (12) using polyethylene as the filler material.

6. The signal cable of claim 1, wherein, The surface of the partition (2) is provided with an expansion fin (8) for increasing the contact area with the filler layer (12).

7. The signal cable of claim 1, wherein, The cable core comprises a conductor (3) and an insulating layer (4) wrapped outside the conductor (3).

8. The signal cable of claim 7, wherein, The outer surface of the shielding layer (9) is provided with a metal wrapping layer (10).

9. The signal cable of claim 8, wherein, The outer surface of the metal wrapping layer (10) is provided with a protective sleeve (11).

10. A signal cable assembly, characterized by The signal cable comprises a connector, a joint, and any one of claims 1-9.

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