Flame-retardant fireproof shielding signal cable

Abstract

The utility model relates to the technical field of cables, and discloses a flame-retardant fireproof shielding signal cable, which comprises a device body, the device body comprises a flame-retardant layer, the outer side of the flame-retardant layer is sequentially wrapped with a first shielding layer, a second shielding layer and a protection layer, a cable core is arranged in the flame-retardant layer, a protection assembly is arranged in the flame-retardant layer, and the protection assembly is arranged in the flame-retardant layer. The protection assembly comprises at least one group of supporting sheets, the number of the supporting sheets in each group is the same as that of the cable cores, and the supporting sheets are fixedly installed on the inner wall of the flame-retardant layer in an annular array shape. According to the utility model, through the arrangement of the protection assembly, during use, the supporting sheets and the supporting rings provide a supporting effect for the interior of the flame-retardant layer, and the cable core is located in the first flame-retardant filling material in the gaps of the supporting sheets, so that when the device body is extruded, a stable supporting effect is provided, acting force is prevented from being directly conducted to the cable core, and the service life of the cable core is prolonged. And the cable core is broken, heated and burnt.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more specifically to a flame-retardant and fire-resistant shielded signal cable. Background Art

[0002] If the cable core is squeezed and deformed during use, the practical life of the cable will easily be shortened, and the resistance at the deformed part will easily increase, causing local temperature rise and the risk of combustion. Therefore, it is urgent to design flame-retardant and fire-resistant shielded signal cables. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a flame-retardant and fire-resistant shielded signal cable to solve the problem in the above-mentioned background technology that during use, if the cable core is squeezed and deformed, it is easy to cause the practical life of the cable to deteriorate, and the resistance at the deformation point is easy to increase, resulting in local temperature rise and the risk of combustion.

[0004] The utility model provides the following technical scheme: a flame-retardant and fire-resistant shielded signal cable, comprising a device body, the device body comprising a flame-retardant layer, the outer side of the flame-retardant layer is sequentially wrapped with a first shielding layer, a second shielding layer and a protective layer, a cable core is arranged inside the flame-retardant layer, a protective component is arranged inside the flame-retardant layer, the protective component comprises support sheets, the number of the support sheets is at least one group, the number of the support sheets in each group is the same as the cable core, the support sheets are fixedly installed on the inner wall of the flame-retardant layer in an annular array, a support ring is fixedly installed inside each group of the support sheets, a first flame-retardant filling material is fixedly installed between the support sheets outside the support ring, the cable core is arranged inside the first flame-retardant filling material, a wear-resistant component is arranged on the outer side of the protective layer, when in use, a support effect is provided to the inside of the flame-retardant layer through the support sheets and the support ring, the cable core is located inside the first flame-retardant filling material in the gap of the support sheets, when the device body is squeezed, a stable support effect is provided to avoid the force being directly transmitted to the cable core, resulting in the situation where the cable core breaks and heats up and burns.

[0005] Furthermore, a second flame-retardant filling material is fixedly installed inside the support ring, and the second flame-retardant filling material can further improve the overall combustion effect of the device body.

[0006] Furthermore, the wear-resistant component includes a wear-resistant layer, and the wear-resistant layer is wrapped around the outside of the protective layer, which can wrap and protect the protective layer and improve the overall wear-resistant effect of the device.

[0007] Furthermore, wear-resistant rings are evenly and equidistantly installed on the outer side of the wear-resistant layer, and the flame-retardant layer is suspended and supported by the wear-resistant rings, thereby further improving the overall wear-resistant effect of the device.

[0008] Furthermore, the surface of the wear-resistant ring is provided with reflective paint, which can reflect light at night and play a good warning role.

[0009] Technical effects and advantages of the utility model:

[0010] 1. The utility model is provided with a protective component. This design provides a support effect to the inside of the flame retardant layer through the support sheet and the support ring during use. The cable core is located inside the first flame retardant filling material in the gap of the support sheet. When the device body is squeezed, a stable support effect is provided to prevent the force from being directly transmitted to the cable core, which may cause the cable core to rupture, heat up and burn.

[0011] 2. The utility model is provided with a wear-resistant component. This design allows the exposed wear-resistant layer to be wrapped in a wear-resistant layer and directly contact the component, thereby preventing the protective layer from being exposed for a long time and causing cracks. The flame-retardant layer is supported and suspended in the air by an annular wear-resistant ring, thereby further improving the wear resistance of the device and the protective effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of structural separation of the utility model.

[0013] Figure 2 It is a schematic diagram of the structure of the utility model.

[0014] Figure 3 It is a three-dimensional schematic diagram of the separated protection component structure of the utility model.

[0015] Figure 4 It is a three-dimensional schematic diagram of the support ring structure of the utility model.

[0016] The figures are marked as follows: 100, device body; 110, flame retardant layer; 111, first shielding layer; 112, second shielding layer; 113, protective layer; 114, cable core; 200, protective component; 210, first flame retardant filling material; 211, second flame retardant filling material; 212, support sheet; 213, support ring; 300, wear-resistant component; 310, wear-resistant layer; 311, wear-resistant ring. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0018] Example 1: Reference Figure 1-4The utility model provides a flame retardant and fire resistant shielded signal cable, including a device body 100, the device body 100 includes a flame retardant layer 110, the outer side of the flame retardant layer 110 is sequentially wrapped with a first shielding layer 111, a second shielding layer 112 and a protective layer 113, the flame retardant layer 110 is provided with a cable core 114 inside, the flame retardant layer 110 is provided with a protective component 200 inside, the protective component 200 includes a supporting sheet 212, the number of the supporting sheets 212 is at least one group, and the number of the supporting sheets 212 in each group is The amount is the same as that of the cable core 114, the support sheets 212 are fixedly installed on the inner wall of the flame retardant layer 110 in a ring array, a support ring 213 is fixedly installed inside each group of support sheets 212, and a first flame retardant filling material 210 is fixedly installed between the support sheets 212 outside the support ring 213, the cable core 114 is arranged inside the first flame retardant filling material 210, a wear-resistant component 300 is provided on the outside of the protective layer 113, and a second flame retardant filling material 211 is fixedly installed inside the support ring 213.

[0019] The working principle of the first embodiment of the utility model is as follows: a support member is composed of a support sheet 212 and a support ring 213, the cable core 114 is arranged in the gap between the support sheets 212, and is wrapped around the outside of the cable core 114 by a first flame retardant filling material 210. When the device body 100 is subjected to force, the support sheet 212 and the support ring 213 are subjected to force, which can avoid the extrusion force directly acting on the surface of the cable core 114. In addition, this design can avoid the cable cores 114 from being entangled with each other, thereby ensuring the heat dissipation effect inside the device body 100.

[0020] Embodiment 2:

[0021] The difference between Example 2 and Example 1 is that the wear-resistant component 300 includes a wear-resistant layer 310, and the wear-resistant layer 310 is wrapped on the outside of the protective layer 113. Wear-resistant rings 311 are evenly and equidistantly installed on the outside of the wear-resistant layer 310. The surface of the wear-resistant ring 311 is provided with reflective paint. The exposed wear-resistant layer 310 is wrapped by the wear-resistant layer 310, and is in direct contact with the component, which can prevent the protective layer 113 from being cracked due to long-term friction caused by exposure, and the flame-retardant layer 110 is supported and suspended by the annular wear-resistant ring 311, which can further enhance the wear resistance of the device and enhance the protective effect.

[0022] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flame-retardant and fire-resistant shielded signal cable, comprising a device body (100), wherein the device body (100) comprises a flame-retardant layer (110), wherein the outer side of the flame-retardant layer (110) is sequentially wrapped with a first shielding layer (111), a second shielding layer (112) and a protective layer (113), wherein: A cable core (114) is provided inside the flame retardant layer (110), a protective component (200) is provided inside the flame retardant layer (110), the protective component (200) comprises support sheets (212), the number of the support sheets (212) is at least one group, the number of the support sheets (212) in each group is the same as the cable core (114), the support sheets (212) are fixedly installed on the inner wall of the flame retardant layer (110) in an annular array, a support ring (213) is fixedly installed inside each group of the support sheets (212), a first flame retardant filling material (210) is fixedly installed between the support sheets (212) outside the support ring (213), the cable core (114) is provided inside the first flame retardant filling material (210), and a wear-resistant component (300) is provided on the outside of the protective layer (113).

2. The flame retardant and fire resistant shielded signal cable according to claim 1, characterized in that: A second flame-retardant filling material (211) is fixedly installed inside the support ring (213).

3. The flame retardant and fire resistant shielded signal cable according to claim 1, characterized in that: The wear-resistant component (300) comprises a wear-resistant layer (310), and the wear-resistant layer (310) is wrapped around the outside of the protective layer (113).

4. The flame retardant and fire resistant shielded signal cable according to claim 3, characterized in that: Wear-resistant rings (311) are evenly and equidistantly installed on the outer side of the wear-resistant layer (310).

5. The flame retardant and fire resistant shielded signal cable according to claim 4, characterized in that: The surface of the wear-resistant ring (311) is provided with reflective paint.

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