Cable with braided shield

Abstract

The utility model belongs to the technical field of cables, and particularly relates to a cable with braided shielding, which solves the problems of poor practicability and poor protection in the prior art, and comprises a cable, an insulating sleeve, a braided shielding sleeve and a sheath, a second friction-resistant layer is arranged in the sheath, a second flame-retardant layer is arranged on one side of the second friction-resistant layer, and a second flame-retardant layer is arranged on the other side of the second flame-retardant layer. A second elastic layer is arranged on one side of the second flame-retardant layer, a sealing layer is arranged on one side of the second elastic layer, a tensile layer is arranged on one side of the sealing layer, and an anti-interference layer is arranged on one side of the tensile layer. A certain degree of temperature is often generated around the cable joint, the arrangement of the heat aging resistant layer can effectively prevent heat aging, and the reinforcing layer is also arranged in the sheath, so that the cable can be effectively protected during installation, and the use practicability of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a cable with a braided shield. Background Art

[0002] At present, braided shielded cable is a transmission line that uses a metal mesh braided layer to wrap the signal line. This cable is mainly used to prevent interference signals from entering the inner conductor and is suitable for transformers and similar equipment.

[0003] The authorization announcement number in the prior art is: CN109841314B, and the name is a cable with a braided shield. This patent provides a cable with a braided shield, which has excellent shielding properties, bending resistance and torsion resistance. The cable includes a conductor, an insulating layer, a braided shielding layer and a sheath. The braided shielding layer consists of two layers, an inner layer and an outer layer. The inner layer is cross-woven with bare metal wires, and the outer layer is interwoven with copper foil and bare metal wires. This design effectively improves the shielding performance of the cable while maintaining excellent bending and torsion capabilities.

[0004] However, when this patent is in use, a certain temperature will be generated inside, which will cause the cable to age faster during use and provide poor protection for the cable.

[0005] The prior art has a patent number of CN108538488B, which is titled as a coaxial cable and a cable with a braided shield. The patent provides a coaxial cable, which includes a conductor, three insulating layers, a braided shielding layer and a sheath. The insulating layer is composed of a non-filled extruded layer, a foamed layer and a non-foamed layer, which are arranged from the conductor side to the outside in sequence, wherein the foamed layer and the non-filled extruded layer are formed non-bondedly, and the braided shielding layer is cross-woven by copper foil and bare metal wire, which effectively improves the shielding performance of the cable. While maintaining excellent electrical properties, the patent significantly improves the bending resistance and torsion resistance.

[0006] However, when this patent is in use, a certain temperature will be generated inside, causing the cable to age faster during use. Utility Model Content

[0007] The technical problem solved by the utility model is to provide a cable with a braided shield, thereby solving the problems of poor practicability and poor protection.

[0008] To solve the above technical problems, the utility model provides the following technical solutions: a cable with a braided shield, comprising a cable, an insulating sleeve, a braided shielding sleeve and a sleeve, a second friction-resistant layer is arranged inside the sleeve, a second flame-retardant layer is arranged on one side of the second friction-resistant layer, a second elastic layer is arranged on one side of the second flame-retardant layer, a sealing layer is arranged on one side of the second elastic layer, a pull-resistant layer is arranged on one side of the sealing layer, an anti-interference layer is arranged on one side of the pull-resistant layer, a reinforcement layer is arranged on one side of the anti-interference layer, an anti-heat-aging layer is arranged on one side of the reinforcement layer, a high elastic layer is arranged on one side of the anti-heat-aging layer, and a first inclined layer and a second inclined layer are respectively arranged inside the braided shielding sleeve.

[0009] Preferably, an insulating layer is provided inside the insulating sleeve, a heat insulation layer is provided on one side of the insulating layer, a first elastic layer is provided on one side of the heat insulation layer, and a first flame retardant layer is provided on one side of the first elastic layer.

[0010] Preferably, a plurality of reinforcing filaments evenly distributed around the circumference are fixedly connected to the interior of the reinforcing layer.

[0011] Preferably, some of the high elastic layers are provided with a weather-resistant layer.

[0012] Preferably, a corrosion-resistant layer is provided on one side of the weather-resistant layer.

[0013] Preferably, a casing film is provided on one side of the corrosion-resistant layer.

[0014] Preferably, a voltage-resistant layer is provided on one side of the first flame-retardant layer.

[0015] Preferably, a first friction-resistant layer is provided on one side of the voltage-resistant layer.

[0016] Compared with the related art, the utility model has the following beneficial effects:

[0017] 1. The utility model provides structures such as an anti-heat aging layer and a reinforcement layer. During the use of the cable, a certain degree of temperature is often generated around the cable joint. The anti-heat aging layer can effectively protect against heat aging. A reinforcement layer is also provided inside the sheath, which can effectively protect the cable during installation and improve its practicality.

[0018] 2. The utility model has a voltage-resistant layer, a first flame-retardant layer and other structures. When the cable is in use, voltage will be generated. The voltage-resistant layer can effectively prevent the cable from rupturing due to excessive voltage. When the cable voltage is too high, the first flame-retardant layer can prevent it from burning, thereby improving its safety in use.

[0019] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the overall structure of the braided shielding sleeve of the utility model;

[0023] Figure 3 It is a cross-sectional view of the sheath of the utility model;

[0024] Figure 4 This is a cross-sectional view of the insulating sleeve of the utility model;

[0025] Figure 5 It is a cross-sectional view of the reinforcement layer of the utility model.

[0026] Numbers in the figure:

[0027] 1. Cables;

[0028] 2. Insulation sleeve; 21. Insulation layer; 22. Heat insulation layer; 23. First elastic layer; 24. First flame retardant layer; 25. Voltage resistance layer; 26. First friction resistance layer;

[0029] 3. Braided shielding sleeve; 31. First inclined layer; 32. Second inclined layer;

[0030] 4. Sheath; 41. Second friction-resistant layer; 42. Second flame-retardant layer; 43. Second elastic layer; 44. Sealing layer; 45. Pull-resistant layer; 46. Anti-interference layer; 47. Reinforcement layer; 471. Reinforced filaments; 48. Heat-resistant aging layer; 49. High elasticity layer; 50. Weather-resistant layer; 51. Corrosion-resistant layer; 52. Sleeve film. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Example 1

[0033] like Figure 1-Figure 5 As shown, this embodiment proposes a buried gate valve connection structure, including. A cable 1, an insulating sleeve 2, a braided shielding sleeve 3 and a sleeve 4, wherein a second friction-resistant layer 41 is arranged inside the sleeve 4, a second flame-retardant layer 42 is arranged on one side of the second friction-resistant layer 41, a second elastic layer 43 is arranged on one side of the second flame-retardant layer 42, a sealing layer 44 is arranged on one side of the second elastic layer 43, a tensile layer 45 is arranged on one side of the sealing layer 44, an anti-interference layer 46 is arranged on one side of the tensile layer 45, a reinforcing layer 47 is arranged on one side of the anti-interference layer 46, an anti-heat-aging layer 48 is arranged on one side of the reinforcing layer 47, and a high elasticity layer 49 is arranged on one side of the anti-heat-aging layer 48, and a first inclined layer 31 and a second inclined layer 32 are arranged inside the braided shielding sleeve 3 respectively. Through the arrangement of the anti-heat-aging layer 48, the reinforcing layer 47 and other structures, a certain degree of temperature is often generated around the cable joint during the use of the cable, and the arrangement of the anti-heat-aging layer 48 can effectively protect against heat aging. A reinforcing layer 47 is also arranged inside the sleeve 4, which can effectively protect the cable during installation and improve its practicality.

[0034] like Figure 1-Figure 5 As shown, a plurality of reinforcing filaments 471 evenly distributed around the circumference are fixedly connected inside the reinforcing layer 47 .

[0035] like Figure 1-Figure 3 As shown, some of the highly elastic layers 49 are provided with a weather-resistant layer 50 .

[0036] like Figure 1-Figure 3 As shown, a corrosion-resistant layer 51 is provided on one side of the weather-resistant layer 50 .

[0037] like Figure 1-Figure 3 As shown, a jacket film 52 is provided on one side of the corrosion-resistant layer 51 .

[0038] The specific implementation principle of this embodiment is as follows: a second friction-resistant layer 41 is provided on the sheath 4, and a first friction-resistant layer 26 is provided on the insulating sleeve 2. The first friction-resistant layer 26 and the second friction-resistant layer 41 can effectively provide friction protection for the braided shielding sleeve 3. A second elastic layer 43, a tension-resistant layer 45 and a high elastic layer 49 are provided on the sheath 4 to prevent the cable 1 from breaking when it is installed. A reinforcement layer 47 is provided inside the sheath 4. Reinforcing filaments 471 are provided inside the reinforcement layer 47. The filaments are made of insulating metal material to enhance the strength of the sheath 4. A heat-resistant aging layer 48 is provided on the sheath 4 to effectively protect against heat aging. A weather-resistant layer 50 and a corrosion-resistant layer 51 are respectively provided on the outside of the sheath 4, so that the cable can be used outdoors for a long time, thereby improving its practicality.

[0039] Example 2

[0040] like Figure 1-Figure 4 As shown, this embodiment also introduces a buried gate valve connection structure, which adds the following structure on the basis of the first embodiment: an insulating layer 21 is arranged inside the insulating sleeve 2, a heat insulation layer 22 is arranged on one side of the insulating layer 21, a first elastic layer 23 is arranged on one side of the heat insulation layer 22, and a first flame retardant layer 24 is arranged on one side of the first elastic layer 23. By arranging structures such as the voltage-resistant layer 25 and the first flame retardant layer 24, voltage will be generated when the cable is used, and the arrangement of the voltage-resistant layer 25 can effectively prevent the cable from rupturing due to excessive voltage. When the cable voltage is too high, the first flame retardant layer 24 prevents it from burning, thereby improving its safety in use.

[0041] like Figure 1-Figure 4 As shown, a voltage-resistant layer 25 is provided on one side of the first flame-retardant layer 24 .

[0042] like Figure 1-Figure 4 As shown, a first anti-friction layer 26 is provided on one side of the voltage-resistant layer 25 .

[0043] The specific implementation principle of this embodiment is as follows: an insulating layer 21 and a heat-resistant layer are arranged on the insulating sleeve 2, the insulating layer 21 can effectively insulate the cable, and the heat-resistant layer can effectively resist heat during the use of the cable. When the cable is in use, voltage will be generated, and the setting of the voltage-resistant layer 25 can effectively prevent the voltage from being too high and causing the cable to rupture. When the cable voltage is too high, the first flame-retardant layer 24 prevents it from burning, thereby improving its safety in use.

[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A cable with a braided shield, comprising a cable (1), an insulating sleeve (2), a braided shield sleeve (3) and a sheath (4), characterized in that: The sheath (4) is provided with a second friction-resistant layer (41) inside, a second flame-retardant layer (42) is provided on one side of the second friction-resistant layer (41), a second elastic layer (43) is provided on one side of the second flame-retardant layer (42), a sealing layer (44) is provided on one side of the second elastic layer (43), a pull-resistant layer (45) is provided on one side of the sealing layer (44), an anti-interference layer (46) is provided on one side of the pull-resistant layer (45), a reinforcing layer (47) is provided on one side of the anti-interference layer (46), a heat-resistant aging layer (48) is provided on one side of the reinforcing layer (47), and a high elasticity layer (49) is provided on one side of the heat-resistant aging layer (48), and a first inclined layer (31) and a second inclined layer (32) are provided inside the braided shielding sleeve (3), respectively.

2. The cable with braided shielding according to claim 1, characterized in that: An insulating layer (21) is provided inside the insulating sleeve (2), a heat insulation layer (22) is provided on one side of the insulating layer (21), a first elastic layer (23) is provided on one side of the heat insulation layer (22), and a first flame retardant layer (24) is provided on one side of the first elastic layer (23).

3. The cable with braided shielding according to claim 1, characterized in that: A plurality of reinforcing filaments (471) evenly distributed around the circumference are fixedly connected to the interior of the reinforcing layer (47).

4. The cable with braided shielding according to claim 1, characterized in that: Some of the high elastic layers (49) are provided with a weather-resistant layer (50).

5. The cable with braided shielding according to claim 4, characterized in that: A corrosion-resistant layer (51) is provided on one side of the weather-resistant layer (50).

6. The cable with braided shielding according to claim 5, characterized in that: A casing film (52) is provided on one side of the corrosion-resistant layer (51).

7. The cable with braided shielding according to claim 2, characterized in that: A voltage-resistant layer (25) is provided on one side of the first flame-retardant layer (24).

8. The cable with braided shielding according to claim 7, characterized in that: A first friction-resistant layer (26) is provided on one side of the voltage-resistant layer (25).

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