Fireproof instrument communication cable

Abstract

The utility model discloses a fireproof instrument communication cable, which comprises a cable inner support assembly, a flame-retardant wrapping tape body is wrapped on the outer side of the cable inner support assembly, and a reinforcing protection assembly is sleeved on the outer side of the flame-retardant wrapping tape body; according to the utility model, through arranging the cable inner supporting assembly which is internally provided with the three groups of inner connecting support rods for fixedly connecting the inner reinforcing core rod and the inner supporting outer frame body, a good inner supporting effect can be achieved inside, and the cavities between the three groups of inner connecting support rods and the inner reinforcing core rod inside the inner supporting outer frame body can achieve a good buffering effect; a certain heat-resistant and flame-retardant effect can be achieved through the arranged flame-retardant wrapping tape body, and a good outer buffering and supporting effect can be achieved by arranging a plurality of groups of middle buffering and connecting blocks on the outer side of the inner fitting ring pipe to be connected with the cambered surface fitting ring, so that the interior of the cable is prevented from being extruded and damaged; and after being bent to a certain angle, a plurality of groups of upper and lower cambered surface attaching rings can support each other to achieve a very good anti-bending effect.

Description

Technical Field

[0001] The utility model relates to the technical field of cable equipment, in particular to a fire-proof instrument communication cable. Background Art

[0002] A communication cable refers to a cable used for transmitting communication signals, usually composed of multiple insulated wires, and is used to connect devices such as telephones, the Internet, and televisions to a communication network; among them, when signal connection and communication are performed on a fire-proof instrument, it is necessary to connect through a communication cable.

[0003] However, the existing communication cables for fire-proof instruments do not have a good anti-bending buffer support effect during use, and problems such as breakage and damage of the metal wires inside the cable may occur due to extrusion or bending during use. Content of the Utility Model

[0004] The purpose of the utility model is to provide a fire-proof instrument communication cable in order to solve the problem that the existing communication cables for fire-proof instruments do not have a good anti-bending buffer support effect during use, and problems such as breakage and damage of the metal wires inside the cable may occur due to extrusion or bending during use.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a fire-proof instrument communication cable, including: a cable inner support assembly, a flame-retardant wrapping tape body is wrapped around the outside of the cable inner support assembly, a reinforcement protection assembly is sleeved outside the flame-retardant wrapping tape body, a cable outer skin is sleeved outside the reinforcement protection assembly, and an inner wire assembly is embedded between the cable inner support assembly and the flame-retardant wrapping tape body.

[0006] As a further scheme of the utility model: the cable inner support assembly includes an inner support outer frame body, an arc-shaped wire embedding groove is arranged on the outside of the inner support outer frame body, an inner connection support rod is fixedly arranged at one end inside the inner support outer frame body, and an inner reinforcement core rod is fixedly arranged at one end of the inner connection support rod.

[0007] As a further scheme of the utility model: the reinforcement protection assembly includes an inner fitting circular tube, an intermediate buffer connection block is fixedly arranged at one end outside the inner fitting circular tube, and an arc-shaped fitting ring is fixedly arranged outside the intermediate buffer connection block.

[0008] As a further scheme of the utility model: the inner wire assembly includes an inner metal wire body, a metal wire insulating skin is sleeved outside the inner metal wire body, and the number of the inner metal wire bodies and the metal wire insulating skins are both set to three groups.

[0009] As a further solution of the present utility model: both the number of the arc-shaped wire embedded grooves and the inner connection support rods is set to three groups, and the three groups of the arc-shaped wire embedded grooves and the inner connection support rods are evenly arranged around the three ends inside and outside the inner support outer frame.

[0010] As a further solution of the present utility model: both the number of the intermediate buffer connection blocks and the arc surface fitting rings is set to multiple groups, and every eight groups of the intermediate buffer connection blocks are adapted to one group of the arc surface fitting rings and are evenly and fixedly arranged up and down on the outer side of the inner fitting circular tube.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] In the present utility model, by providing a cable inner support assembly with three groups of inner connection support rods inside for fixedly connecting the inner reinforcement core rod and the inner support outer frame, a good inner support effect can be achieved inside. The cavity between the three groups of inner connection support rods and the inner reinforcement core rod inside the inner support outer frame can achieve a good buffering effect. The provided flame-retardant wrapping tape body can achieve a certain heat-resistant and flame-retardant effect. By providing multiple groups of intermediate buffer connection blocks on the outer side of the inner fitting circular tube to connect the arc surface fitting rings, a good outer buffer support effect can be achieved to prevent the cable inside from being damaged by extrusion, and multiple upper and lower arc surface fitting rings can support each other after being bent to a certain angle to achieve a good anti-bending effect. Description of the Drawings

[0013] Figure 1 is the overall structural schematic diagram of a fire-proof instrument communication cable described in the present utility model;

[0014] Figure 2 is the structural schematic diagram of a cable inner support assembly in a fire-proof instrument communication cable described in the present utility model;

[0015] Figure 3 is the structural schematic diagram of a flame-retardant wrapping tape body in a fire-proof instrument communication cable described in the present utility model;

[0016] Figure 4 is the structural schematic diagram of a reinforcement and protection assembly in a fire-proof instrument communication cable described in the present utility model;

[0017] Figure 5 is the structural schematic diagram of an inner wire assembly in a fire-proof instrument communication cable described in the present utility model.

[0018] In the figure: 1. Cable inner support assembly; 10. Outer frame body of the inner support; 11. Arc-shaped wire embedded groove; 12. Inner connecting support rod; 13. Inner reinforcing core rod; 2. Flame-retardant wrapping tape body; 3. Reinforcing and protecting assembly; 30. Inner fitting circular tube; 31. Intermediate buffer connecting block; 32. Arc surface fitting ring; 4. Cable outer skin; 5. Inner wire assembly; 50. Inner metal wire body; 51. Metal wire insulating skin. Detailed implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0020] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", and "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations. Next, the embodiments of the present invention will be described according to the overall structure of the present invention.

[0021] Referring to Figures 1 to 5 , in the embodiment of the present invention, a fireproof instrument communication cable includes: a cable inner support assembly 1, a flame-retardant wrapping tape body 2 is wound around the outside of the cable inner support assembly 1, a reinforcing and protecting assembly 3 is sleeved outside the flame-retardant wrapping tape body 2, a cable outer skin 4 is sleeved outside the reinforcing and protecting assembly 3, and an inner wire assembly 5 is embedded between the cable inner support assembly 1 and the flame-retardant wrapping tape body 2.

[0022] The cable inner support assembly 1 includes an inner support outer frame 10. An arc-shaped wire embedding groove 11 is arranged on the outer side of the inner support outer frame 10. One end inside the inner support outer frame 10 is fixedly provided with an inner connection support rod 12. One end of the inner connection support rod 12 is fixedly provided with an inner reinforcement core rod 13. The reinforcement and protection assembly 3 includes an inner fitting circular tube 30. One end on the outer side of the inner fitting circular tube 30 is fixedly provided with an intermediate buffer connection block 31. An arc-shaped fitting ring 32 is fixedly arranged on the outer side of the intermediate buffer connection block 31. The inner wire assembly 5 includes an inner metal wire body 50. A metal wire insulation skin 51 is sleeved on the outer side of the inner metal wire body 50. The numbers of the inner metal wire body 50 and the metal wire insulation skin 51 are both set to three groups.

[0023] The numbers of the arc-shaped wire embedding grooves 11 and the inner connection support rods 12 are both set to three groups. The three groups of arc-shaped wire embedding grooves 11 and inner connection support rods 12 are evenly arranged in a surrounding manner at the inner and outer three ends of the inner support outer frame 10. The numbers of the intermediate buffer connection blocks 31 and the arc-shaped fitting rings 32 are both set to multiple groups. And every eight groups of intermediate buffer connection blocks 31 are adapted to one group of arc-shaped fitting rings 32 and are evenly fixed on the upper and lower sides of the outer side of the inner fitting circular tube 30.

[0024] The working principle of the present utility model is as follows: The inner wire assembly 5 having three groups of inner metal wire bodies 50 and metal wire insulation skins 51 is embedded in the three groups of arc-shaped wire embedding grooves 11, and a flame-retardant wrapping tape body 2 is wrapped around the outer side. Then, the reinforcement and protection assembly 3 is sleeved on the outer side. Finally, a cable outer skin 4 is extruded on the outer side to complete the preparation of the cable. By providing the cable inner support assembly 1 with three groups of inner connection support rods 12 fixedly connected to the inner reinforcement core rod 13 and the inner support outer frame 10 inside, a good inner support effect can be achieved inside. The cavity between the three groups of inner connection support rods 12 and the inner reinforcement core rod 13 inside the inner support outer frame 10 can achieve a good buffering effect. By providing the flame-retardant wrapping tape body 2, a certain heat-resistant and flame-retardant effect can be achieved. By arranging multiple groups of intermediate buffer connection blocks 31 on the outer side of the inner fitting circular tube 30 to connect the arc-shaped fitting rings 32, a good outer buffer support effect can be achieved to prevent the cable inside from being damaged by extrusion. And the multiple groups of arc-shaped fitting rings 32 on the upper and lower sides can support each other after being bent to a certain angle and achieve a good anti-bending effect.

[0025] The above-mentioned is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent replacements or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A fireproof instrument communication cable, characterized in that: include: A cable inner support component (1), wherein a flame retardant wrapping tape (2) is wrapped around the outer side of the cable inner support component (1), a reinforcement protection component (3) is sheathed on the outer side of the flame retardant wrapping tape (2), a cable sheath (4) is sheathed on the outer side of the reinforcement protection component (3), and an inner conductor component (5) is embedded between the cable inner support component (1) and the flame retardant wrapping tape (2).

2. A fireproof instrument communication cable according to claim 1, characterized in that: The cable inner support assembly (1) comprises an inner support outer frame (10), an arc-shaped wire embedding groove (11) is arranged on the outer side of the inner support outer frame (10), an inner connecting support rod (12) is fixedly arranged at one end inside the inner support outer frame (10), and an inner reinforcing core rod (13) is fixedly arranged at one end of the inner connecting support rod (12).

3. A fireproof instrument communication cable according to claim 1, characterized in that: The reinforcement protection component (3) comprises an inner fitting annular tube (30), an intermediate buffer connection block (31) is fixedly arranged at one end of the outer side of the inner fitting annular tube (30), and an arc-surface fitting ring (32) is fixedly arranged at the outer side of the intermediate buffer connection block (31).

4. A fireproof instrument communication cable according to claim 1, characterized in that: The inner wire assembly (5) comprises an inner metal wire body (50), the outer side of the inner metal wire body (50) is sheathed with a metal wire insulation skin (51), and the inner metal wire body (50) and the metal wire insulation skin (51) are both provided in three groups.

5. A fireproof instrument communication cable according to claim 2, characterized in that: The arc-shaped wire embedding grooves (11) and the inner connecting support rods (12) are each provided in three groups, and the three groups of arc-shaped wire embedding grooves (11) and the inner connecting support rods (12) are evenly arranged around the inner and outer ends of the inner supporting outer frame (10).

6. A fireproof instrument communication cable according to claim 3, characterized in that: The intermediate buffer connection blocks (31) and the arc-surface fitting rings (32) are provided in multiple groups, and every eight groups of the intermediate buffer connection blocks (31) are matched with a group of the arc-surface fitting rings (32) which are evenly fixed up and down on the outer side of the inner fitting circular ring tube (30).

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