High-safety tinned waterproof double-layer flame-retardant cable

Abstract

The utility model discloses a high-safety tinned waterproof double-layer flame-retardant cable, which comprises a cable core, the side surface of the cable core is movably connected with a thermal insulation layer, the side surface of the thermal insulation layer is fixedly connected with a support frame, the side surface of the support frame is fixedly connected with a flame-retardant layer, the side surface of the flame-retardant layer is fixedly connected with a connecting block, and the connecting block is fixedly connected with the cable core. A tinned waterproof layer is fixedly connected to the side surface of the flame-retardant layer, a first clamping groove is formed in the side surface of the tinned waterproof layer, and an outer protection layer is fixedly connected to the side surface of the tinned waterproof layer. According to the structure, the flame-retardant material, the heat insulation layer, the flame-retardant layer, the tin-plated waterproof layer and the outer protection layer which are filled in the filling cavity are matched, so that the cable core has a flame-retardant effect, and water can be separated when the cable core is in contact with the water, and is prevented from entering the cable core to cause phenomena of short circuit and the like to influence the operation of the cable; and heat generated in the use process of the cable core can be conducted out by matching with the supporting frame, so that the service life of the cable core is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of cable manufacturing, in particular to a high-safety tin-plated waterproof double-layer flame-retardant cable. Background Art

[0002] Cables are used to transmit signals or currents. The fundamental characteristic of flame-retardant cables is that they may be burned and unable to operate in the event of a fire, but they can prevent the spread of the fire. In layman's terms, if a fire occurs in the wires, the burning can be limited to a local area and prevented from spreading, thus protecting other equipment and avoiding greater losses.

[0003] During the use of existing cables, if they are installed indoors and encounter a fire outside, smoke will fill the room. The smoke alarm will control the automatic sprinkler system to spray water to extinguish the fire. However, if water is sprayed onto the surface of the cable, it may affect the operation of the cable, and the cable and water may leak electricity, short-circuit, and other problems. Utility Model Content

[0004] According to the described high-security tin-plated waterproof double-layer flame-retardant cable, the purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a high-security tin-plated waterproof double-layer flame-retardant cable. The flame-retardant material filled in the filling cavity, the heat insulation layer, the flame-retardant layer, the tin-plated waterproof layer and the outer protective layer are coordinated to make the cable core have a flame-retardant effect, and can isolate water when in contact with water to avoid entering the cable core and causing short circuits and the like, which affect the operation of the cable. In combination with the support frame, the heat generated by the cable core during use can be exported, thereby increasing the service life of the cable core.

[0005] To achieve the above-mentioned purpose, the utility model also provides the above-mentioned cable core, the cable core is used to transmit signals or currents, the side surface of the cable core is movably connected with a heat insulation layer, the heat insulation layer is used to block the external combustion heat from entering, the side surface of the heat insulation layer is fixedly connected with a support frame, the side surface of the support frame is fixedly connected with a flame retardant layer, the side surface of the flame retardant layer is fixedly connected with a connecting block, the connecting block is used to connect multiple sections of flame retardant layers, the side surface of the flame retardant layer is fixedly connected with a tinned waterproof layer, the tinned waterproof layer makes the device waterproof, avoids the problem of short circuit of the cable core caused by water, and the side surface of the tinned waterproof layer is provided with a first card slot;

[0006] The side surface of the tin-plated waterproof layer is fixedly connected to the outer protective layer, the side surface of the outer protective layer is provided with a second groove, the side surface of the outer protective layer is movably connected to a fastening ring, and the fastening ring makes the connection between the outer protective layer, the tin-plated waterproof layer, the flame retardant layer, the thermal insulation layer and the cable core tighter under the action of bolts and nuts, the side surface of the fastening ring is fixedly connected to a mounting plate, the side surface of the fastening ring is fixedly connected to a fixing plate, the side surface of the mounting plate is movably connected to a bolt, and the side surface of the bolt is threadedly connected to a nut.

[0007] According to the high-safety tin-plated waterproof double-layer flame-retardant cable, a plug cone is fixedly connected to the upper surface of the flame-retardant layer, and a plug hole is provided on the lower surface of the flame-retardant layer. The plug cone and the plug hole cooperate to make multiple sections of the device more tightly connected.

[0008] According to the high-safety tin-plated waterproof double-layer flame-retardant cable, the upper surface of the connecting block is threadedly connected with a second bolt, and the side surface of the second bolt is threadedly connected with a second nut.

[0009] According to the high-safety tin-plated waterproof double-layer flame-retardant cable, the side surface of the connecting block is movably connected to the first slot, and the side surface of the connecting block is movably connected to the second slot.

[0010] According to the high-safety tin-plated waterproof double-layer flame-retardant cable, the side surface of the bolt is movably connected to the fixing plate, and the side surface of the nut is movably connected to the fixing plate.

[0011] According to the high-safety tin-plated waterproof double-layer flame-retardant cable, there are multiple support frames, and a filling cavity is formed between two of the support frames.

[0012] According to the high-safety tin-plated waterproof double-layer flame-retardant cable, the filling cavity is filled with fire-retardant materials to improve the flame retardancy of the device. The material of the outer protective layer is halogen-free cross-linked polyethylene flame retardant material, which makes the device have better flame retardant properties. Moreover, no halogen acid gas will be released during combustion, and the amount of smoke is also small.

[0013] According to the high-safety tin-plated waterproof double-layer flame-retardant cable, the material of the flame-retardant layer is glass fiber, which improves the flame-retardant effect of the device.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1This is a front view of a high-security tin-plated waterproof double-layer flame-retardant cable of the utility model;

[0017] Figure 2 This is a side view of a high-safety tin-plated waterproof double-layer flame-retardant cable of the utility model;

[0018] Figure 3 This is an exploded view of a high-safety tin-plated waterproof double-layer flame-retardant cable of the utility model;

[0019] Figure 4 for Figure 3 A schematic diagram of the enlarged structure in the middle.

[0020] Legend:

[0021] 1. Cable core; 2. Insulation layer; 3. Support frame; 4. Flame retardant layer; 5. Plug cone; 6. Socket; 7. Connecting block; 8. Tinned waterproof layer; 9. First slot; 10. Outer protective layer; 11. Second slot; 12. Fastening ring; 13. Fixing plate; 14. Mounting plate; 15. Bolt; 16. Nut; 17. Filling cavity. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a high-security tin-plated waterproof double-layer flame-retardant cable, which includes a cable core 1, the cable core 1 is used to transmit signals or currents, the side surface of the cable core 1 is movably connected with a heat insulation layer 2, the heat insulation layer 2 is used to block the external combustion heat from entering, the side surface of the heat insulation layer 2 is fixedly connected with a support frame 3, the number of the support frames 3 is multiple, and a filling cavity 17 is formed between the two support frames 3, the side surface of the support frame 3 is fixedly connected with a flame retardant layer 4, the material of the flame retardant layer 4 is glass fiber, which improves the flame retardant effect of the device, and the upper surface of the flame retardant layer 4 is fixedly connected with The cone 5 and the lower surface of the flame retardant layer 4 are provided with a socket 6, and the cone 5 cooperates with the socket 6 to make the multiple sections of the device more tightly connected, the side surface of the flame retardant layer 4 is fixedly connected with a connecting block 7, the upper surface of the connecting block 7 is threadedly connected with a second bolt, and the side surface of the second bolt is threadedly connected with a second nut, and the connecting block 7 is used for connecting multiple sections of the flame retardant layer 4, and the side surface of the flame retardant layer 4 is fixedly connected with a tinned waterproof layer 8, and the tinned waterproof layer 8 makes the device waterproof to avoid problems such as short circuit of the cable core 1 caused by the influence of water, and the side surface of the tinned waterproof layer 8 is provided with a first card slot 9.

[0024] The side surface of the tin-plated waterproof layer 8 is fixedly connected with an outer protective layer 10, and the filling cavity 17 is filled with fire-retardant materials to improve the flame retardancy of the device. The material of the outer protective layer 10 is a halogen-free cross-linked polyethylene flame retardant material, which makes the device have better flame retardant properties, and no halogen acid gas is released during combustion, and the smoke volume is also small. The side surface of the outer protective layer 10 is provided with a second card groove 11, the side surface of the connecting block 7 is movably connected to the first card groove 9, the side surface of the connecting block 7 is movably connected to the second card groove 11, and the side surface of the outer protective layer 10 is movably connected to the second card groove 11. A fastening ring 12 is connected, and under the action of bolts 15 and nuts 16, the fastening ring 12 makes the connection between the outer protective layer 10, the tinned waterproof layer 8, the flame retardant layer 4, the thermal insulation layer 2 and the cable core 1 tighter, the side surface of the fastening ring 12 is fixedly connected to a mounting plate 14, the side surface of the fastening ring 12 is fixedly connected to a fixing plate 13, the side surface of the mounting plate 14 is movably connected to a bolt 15, the side surface of the bolt 15 is threadedly connected to a nut 16, the side surface of the bolt 15 is movably connected to the fixing plate 13, and the side surface of the nut 16 is movably connected to the fixing plate 13.

[0025] Working principle: When a fire occurs outside, the outer protective layer 10 serves as the first layer of protection for the cable core 1. When the sprinkler head starts to spray water, the water is sprayed to the surface of the outer protective layer 10. If cracks appear in the outer protective layer 10 due to the burning flame, the water flows to the surface of the tin-plated waterproof layer 8. The tin-plated waterproof layer 8 separates the water and prevents the water from entering the interior and affecting the cable core 1 and causing leakage.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A high-security tin-plated waterproof double-layer flame-retardant cable, characterized in that: include: A cable core (1), wherein a heat insulation layer (2) is movably connected to a side surface of the cable core (1), a support frame (3) is fixedly connected to a side surface of the heat insulation layer (2), a flame retardant layer (4) is fixedly connected to a side surface of the support frame (3), a connection block (7) is fixedly connected to a side surface of the flame retardant layer (4), a tin-plated waterproof layer (8) is fixedly connected to a side surface of the flame retardant layer (4), and a first clamping groove (9) is provided on a side surface of the tin-plated waterproof layer (8); The side surface of the tin-plated waterproof layer (8) is fixedly connected to an outer protective layer (10), the side surface of the outer protective layer (10) is provided with a second clamping groove (11), the side surface of the outer protective layer (10) is movably connected to a fastening ring (12), the side surface of the fastening ring (12) is fixedly connected to a mounting plate (14), the side surface of the fastening ring (12) is fixedly connected to a fixing plate (13), the side surface of the mounting plate (14) is movably connected to a bolt (15), and the side surface of the bolt (15) is threadedly connected to a nut (16).

2. A high-security tin-plated waterproof double-layer flame-retardant cable according to claim 1, characterized in that: The upper surface of the flame retardant layer (4) is fixedly connected with an insert cone (5), and the lower surface of the flame retardant layer (4) is provided with an insert hole (6).

3. A high-security tin-plated waterproof double-layer flame-retardant cable according to claim 1, characterized in that: The upper surface of the connection block (7) is threadedly connected to a second bolt, and the side surface of the second bolt is threadedly connected to a second nut.

4. A high-security tin-plated waterproof double-layer flame-retardant cable according to claim 1, characterized in that: The side surface of the connection block (7) is movably connected to the first clamping groove (9), and the side surface of the connection block (7) is movably connected to the second clamping groove (11).

5. A high-security tin-plated waterproof double-layer flame-retardant cable according to claim 1, characterized in that: The side surface of the bolt (15) is movably connected to the fixing plate (13), and the side surface of the nut (16) is movably connected to the fixing plate (13).

6. A high-security tin-plated waterproof double-layer flame-retardant cable according to claim 1, characterized in that: There are multiple support frames (3), and a filling cavity (17) is formed between two support frames (3).

7. A high-security tin-plated waterproof double-layer flame-retardant cable according to claim 6, characterized in that: The filling cavity (17) is filled with fire-proof and flame-retardant materials, and the material of the outer protective layer (10) is a halogen-free cross-linked polyethylene flame-retardant material.

8. A high-security tin-plated waterproof double-layer flame-retardant cable according to claim 1, characterized in that: The flame retardant layer (4) is made of glass fiber.

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