CN215730946U

CN215730946U - Silicon rubber insulation and sheath shielding computer cable

Info

Publication number: CN215730946U
Application number: CN202121679882.0U
Authority: CN
Inventors: 孙勇; 郑少德; 巫后霞
Original assignee: Anhui Haiyuan Special Cable Co ltd
Current assignee: Anhui Haiyuan Special Cable Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-02-01
Anticipated expiration: 2031-07-22

Abstract

The utility model provides a silicon rubber insulation and sheath shielding computer cable, which comprises an insulation wire core, a framework, a polyester belt, a total shielding layer, a ceramic silicon rubber inner wrapping belt, a silicon rubber inner sheath, a fine steel wire armor layer, a ceramic silicon rubber outer wrapping belt, a tensile tearing flame-retardant silicon rubber outer sheath and a tinned copper wire woven protective layer, wherein the polyester belt, the total shielding layer, the ceramic silicon rubber inner wrapping belt, the silicon rubber inner sheath, the fine steel wire armor layer, the ceramic silicon rubber outer wrapping belt, the tensile tearing flame-retardant silicon rubber outer sheath and the tinned copper wire woven protective layer are sequentially wrapped outside the tinned soft copper conductor, the framework is arranged between the insulation wire core and the polyester belt and fixes the position of the insulation wire core, a compression-resisting piece is arranged inside the tensile tearing flame-retardant silicon rubber outer sheath and comprises a reinforcing ring, an outer elastic piece and an inner elastic piece, the outer elastic piece and the inner elastic piece are fixedly arranged on the outer side wall and the inner side wall of the reinforcing ring, and are distributed along the circumferential direction of the cable core in a staggered way.

Description

Silicon rubber insulation and sheath shielding computer cable

Technical Field

The utility model relates to the technical field of electric wires and cables, in particular to a silicon rubber insulation and sheath shielding computer cable.

Background

The computer cable belongs to a cable for electrical equipment, and is suitable for electronic computers and automatic instruments with the rated voltage of 500V or below and higher requirement on interference resistance. According to different environments and use requirements of equipment, the cable insulation can be made of polyethylene, polyvinyl chloride, cross-linked polyethylene, fluoroplastic, silicon rubber and other materials. In the power system, the cable plays a role in transmitting electric energy, and the electric energy transmitted by the cable provides industrial production and living needs of people, so the cable plays an important role in the current society. The existing computer cable has poor compression stability, which results in short service life of the cable.

Therefore, the utility model provides a silicon rubber insulation and sheath shielding computer cable to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a computer cable with silicon rubber insulation and sheath shielding.

In order to solve the technical problems, the utility model provides the following technical scheme: a silicon rubber insulation and sheath shielding computer cable comprises an insulation wire core, a framework, a polyester belt, a total shielding layer, a ceramic silicon rubber inner wrapping belt, a silicon rubber inner sheath, a thin steel wire armor layer, a ceramic silicon rubber outer wrapping belt, a tensile tearing flame-retardant silicon rubber outer sheath and a tinned copper wire woven protective layer, wherein the polyester belt, the total shielding layer, the ceramic silicon rubber inner wrapping belt, the silicon rubber inner sheath, the thin steel wire armor layer, the ceramic silicon rubber outer wrapping belt, the tensile tearing flame-retardant silicon rubber outer sheath and the tinned copper wire woven protective layer are sequentially wrapped outside the tin-plated soft copper conductor, the framework is arranged between the insulation wire core and the polyester belt and fixes the position of the insulation wire core, a compression-resistant piece is installed in the tensile tearing flame-retardant silicon rubber outer sheath and comprises a reinforcing ring, an outer elastic piece and an inner elastic piece, the outer elastic piece and the inner elastic piece are fixedly arranged on the outer side wall and the inner side wall of the reinforcing ring, and are distributed along the circumferential direction of the cable core in a staggered way.

According to a preferred technical scheme, two groups of wire core fixing ridges and two separation plates are arranged on the inner side wall of the framework, and an insulating wire core fixing groove is formed between each group of wire core fixing ridges.

As a preferred technical solution of the present invention, the outer elastic member and the inner elastic member have the same structure, and both include an arc-shaped pressure-resistant member and a splayed pressure-resistant member.

As a preferred technical scheme of the present invention, the total shielding layer and the sub-shielding layers are both a composite braided shielding layer formed by compositing metal and fiber.

As a preferable technical scheme of the utility model, a filling layer is arranged between the insulated wire core and the polyester tape, and the filling layer is made of halogen-free low-smoke high-flame-retardant glass fiber ropes.

The utility model has the following beneficial effects: according to the silicon rubber insulation and sheath shielding computer cable, the stability of the cable can be improved through the arranged framework, and the cable is prevented from being deformed in the long-term use process; and the compression-resistant piece arranged in the tensile tearing flame-retardant silicone rubber outer sheath can improve the compression resistance of the cable, so that the service life of the cable is prolonged.

The utility model will be explained in more detail below with reference to the drawings and examples.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the framework structure of the present invention;

FIG. 3 is a schematic diagram of the insulated wire core structure of the present invention;

FIG. 4 is a schematic structural view of a tensile-tearing-resistant flame-retardant silicone rubber outer sheath of the utility model;

reference numbers in the figures: 1. an insulated wire core; 2. a framework; 3. a polyester tape; 4. a total shielding layer; 5. ceramic silicon rubber inner wrapping tape; 6. a silicon rubber inner sheath; 7. a thin steel wire armor layer; 8. ceramic silicon rubber outer wrapping tape; 9. a tensile tearing-resistant flame-retardant silicone rubber outer sheath; 10. a tinned copper wire braided protective layer; 11. tin-plated soft copper conductors; 12. a double-layer synthetic mica refractory layer; 13. a silicon rubber insulating layer; 14. weaving a glass fiber yarn layer; 15. dividing a shielding layer; 16. a compression resistant part; 17. a reinforcement ring; 18. an outer elastic member; 19. an inner elastic member; 20. fixing edges of the wire cores; 21. a partition plate; 22. an insulation wire core fixing groove; 23. an arc-shaped pressure-resistant part; 24. a splayed pressure-resistant part; 25. and (5) filling the layer.

Detailed Description

The terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like in the specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1-4, the silicone rubber insulated and sheathed computer cable provided by the utility model comprises an insulated wire core 1, a framework 2, a polyester tape 3, a total shielding layer 4, a ceramic silicone rubber inner wrapping tape 5, a silicone rubber inner sheath 6, a thin steel wire armor layer 7, a ceramic silicone rubber outer wrapping tape 8, a tensile tearing flame-retardant silicone rubber outer sheath 9 and a tinned copper wire woven protective layer 10 which are sequentially wrapped outside the framework 2, wherein a tinned soft copper conductor 11 is arranged at the center of the insulated wire core 1, a double-layer synthetic mica fire-resistant layer 12, a silicone rubber insulating layer 13, a woven glass fiber yarn layer 14 and a partial shielding layer 15 are sequentially wrapped outside the tinned soft copper conductor 11, the framework 2 is arranged between the insulated wire core 1 and the polyester tape 3 and fixes the position of the insulated wire core 1, a compression-resistant piece 16 is installed in the tensile tearing flame-retardant silicone rubber outer sheath 9, and the compression-resistant piece 16 comprises a reinforcing ring 17, a fine wire armor layer 7, a fine wire armor layer and a fine wire braided shield layer 10, And the outer elastic part 18 and the inner elastic part 19 are fixedly arranged on the outer side wall and the inner side wall of the reinforcing ring 17 and are distributed in a staggered manner along the circumferential direction of the cable core.

Further, be equipped with two sets of sinle silk fixed stupefied 20 and two division boards 21 on the 2 inside walls of skeleton, form insulating core fixed slot 22 between every group sinle silk fixed stupefied 20, can improve the stability of cable, avoid the cable to produce deformation at the in-process of long-term use to the life of extension cable.

Furthermore, the structure of the outer elastic part 18 is consistent with that of the inner elastic part 19, and the outer elastic part and the inner elastic part both comprise an arc-shaped pressure-resistant part 23 and a splayed pressure-resistant part 24, so that the pressure resistance of the cable can be improved, and the service life of the cable can be prolonged.

Further, the total shielding layer 4 and the sub-shielding layer 15 are both composite braided shielding layers formed by compounding metal and fibers.

Further, a filling layer 25 is arranged between the insulated wire core 1 and the polyester belt 3, and the filling layer 25 is made of halogen-free low-smoke high-flame-retardant glass fiber ropes.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

The parts not involved in the present invention are the same as or can be implemented using the prior art.

Claims

1. A silicone rubber insulation and sheath shielding computer cable is characterized by comprising an insulation wire core (1), a framework (2), a polyester belt (3) sequentially wrapping the framework (2) externally, a total shielding layer (4), a ceramic silicone rubber inner wrapping belt (5), a silicone rubber inner sheath (6), a thin steel wire armor layer (7), a ceramic silicone rubber outer wrapping belt (8), a tensile tearing flame-retardant silicone rubber outer sheath (9) and a tinned copper wire woven protective layer (10), wherein a tinned soft copper conductor (11) is arranged at the center of the insulation wire core (1), a double-layer synthetic mica fire-resistant layer (12), a silicone rubber insulation layer (13), a woven glass fiber layer (14) and a sub-shielding layer (15) are sequentially wrapped outside the tinned soft copper conductor (11), the framework (2) is arranged between the insulation wire core (1) and the polyester belt (3) and fixes the position of the insulation wire core (1), the tensile-tearing-resistant flame-retardant silicone rubber outer sheath (9) is internally provided with a compression resistant piece (16), the compression resistant piece (16) comprises a reinforcing ring (17), an outer elastic piece (18) and an inner elastic piece (19), and the outer elastic piece (18) and the inner elastic piece (19) are fixedly arranged on the outer side wall and the inner side wall of the reinforcing ring (17) and are distributed in a staggered manner along the circumferential direction of the cable core.

2. The computer cable with the silicone rubber insulation and the sheath shielding as claimed in claim 1, wherein two sets of core fixing ribs (20) and two separation plates (21) are arranged on the inner side wall of the framework (2), and an insulation core fixing groove (22) is formed between each set of core fixing ribs (20).

3. The computer cable with the silicone rubber insulation and sheath shielding as claimed in claim 1, wherein the outer elastic member (18) and the inner elastic member (19) have the same structure, and each of the outer elastic member and the inner elastic member comprises an arc-shaped pressure-resistant member (23) and a splayed pressure-resistant member (24).

4. The computer cable with the silicone rubber insulation and the sheath shielding as claimed in claim 1, wherein the total shielding layer (4) and the partial shielding layer (15) are both composite braided shielding layers of metal and fiber.

5. The computer cable with the silicone rubber insulation and the sheath shielding according to claim 1, wherein a filling layer (25) is arranged between the insulation core (1) and the polyester tape (3), and the filling layer (25) is made of halogen-free low-smoke high-flame-retardant glass fiber rope.