CN212010456U

CN212010456U - Environment-friendly flame-retardant anti-interference cable

Info

Publication number: CN212010456U
Application number: CN202020705320.8U
Authority: CN
Inventors: 刘仁静
Original assignee: Suzhou Yonghao Cable Co ltd
Current assignee: Suzhou Yonghao Cable Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-24
Anticipated expiration: 2030-04-30

Abstract

The utility model belongs to the technical field of cables, in particular to an environment-friendly flame-retardant anti-interference cable, which comprises an outer sheath, wherein a metal braid layer is arranged inside the outer sheath, a compression resistant layer is arranged inside the metal braid layer, an inner sheath is arranged inside the compression resistant layer, a wrapping layer is arranged inside the inner sheath, a cable conductor is wrapped inside the wrapping layer, and a filler is filled between the cable conductor and the wrapping layer; the inner part of the pressure-resistant layer is uniformly and fixedly connected with a pressure-resistant block, one end of the pressure-resistant block, which faces the outer sheath, is provided with a groove, and a return spring is fixedly connected in the groove; the utility model has the advantages that the cable has fireproof, flame retardant, high temperature resistant, insulating and anti-interference performances by wrapping the filler, the wrapping layer and the inner sheath outside the cable conductor; through being equipped with metal braiding layer and anti-compression layer, the intraductal return spring and TPU system of having elastic anti-compression block that is equipped with of resistance to compression plays the protective action that prevents dragging to the cable, and resilience after resistance to compression block and the return spring pressurized can play the effect of secondary resistance to compression.

Description

Environment-friendly flame-retardant anti-interference cable

Technical Field

The utility model relates to the technical field of cables, specifically be a fire-retardant anti-interference cable of environment-friendly.

Background

The cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, which are all composed of single-strand or multi-strand wires and insulating layers and are used for connecting circuits, electric appliances and the like.

However, the main problems of the cables in the actual use process are that the compression resistance and tensile property of the cables are poor, and the functions are single, so that the environment-friendly flame-retardant anti-interference cable is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant anti jamming cable of environment-friendly to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly flame-retardant anti-interference cable comprises an outer sheath, wherein a metal braided layer is arranged inside the outer sheath, a pressure-resistant layer is arranged inside the metal braided layer, an inner sheath is arranged inside the pressure-resistant layer, a wrapping layer is arranged inside the inner sheath, a cable conductor is wrapped inside the wrapping layer, and a filler is filled between the cable conductor and the wrapping layer; the interior of the pressure-resistant layer is uniformly and fixedly connected with a pressure-resistant block, one end, facing the outer sheath, of the pressure-resistant block is provided with a groove, and a return spring is fixedly connected in the groove.

Preferably, the metal braided layer is formed by braiding stainless steel wires, and the braiding density of the metal braided layer is not less than 90%.

Preferably, the filler is made of inorganic ceramic powder and has a flame retardant effect.

Preferably, the number of the cable conductors is five, the cable conductors are uniformly arranged in the inner sheath, and each cable conductor comprises a conductor wire core and a wire core insulating sheath; the wire core insulating sheath is made of rubber materials and wraps the outer part of the conductor wire core; the conductor wire core is formed by arranging a plurality of copper alloy wire cores in a cluster shape.

Preferably, the inner sheath comprises a fireproof flame-retardant layer and a shielding layer, the shielding layer is wrapped outside the fireproof flame-retardant layer, and the fireproof flame-retardant layer is wrapped outside the wrapping layer; the shielding layer is woven by silver-plated aramid fibers and has an anti-interference effect.

Preferably, the wrapping layer is a low-smoke halogen-free flame-retardant belt wrapped outside the filler.

Preferably, the anti-compaction block and the outer sheath are both made of TPU materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an outside parcel at cable conductor has the filler, around covering and inner sheath for the cable possesses fire prevention, fire-retardant, high temperature resistant, insulating, interference killing feature.

2. The utility model discloses a be equipped with metallic braid and anti-compression layer, the resistance to compression in situ is equipped with having elastic anti-compression block of return spring and TPU system, plays to prevent dragging the guard action to the cable, and resistance to compression piece and return spring are kick-backed after being pressed, can play the effect of secondary resistance to compression.

Drawings

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

In the figure: 1. an outer sheath; 2. a metal braid layer; 3. a pressure resistant layer; 4. an inner sheath; 41. a fire resistant and flame retardant layer; 42. a shielding layer; 5. wrapping a covering; 6. a cable conductor; 61. a conductor core; 62. a wire core insulating sheath; 7. a filler; 8. anti-briquetting; 9. and a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: an environment-friendly flame-retardant anti-interference cable comprises an outer sheath 1, wherein a metal woven layer 2 is arranged inside the outer sheath 1, a pressure-resistant layer 3 is arranged inside the metal woven layer 2, an inner sheath 4 is arranged inside the pressure-resistant layer 3, a wrapping layer 5 is arranged inside the inner sheath 4, a cable conductor 6 is wrapped inside the wrapping layer 5, and a filler 7 is filled between the cable conductor 6 and the wrapping layer 5; the anti-pressure block 8 is uniformly and fixedly connected inside the anti-pressure layer 3, a groove is formed in one end, facing the outer sheath 1, of the anti-pressure block 8, and a return spring 9 is fixedly connected in the groove.

Further, the metal braid 2 is formed by weaving stainless steel wires, and the weaving density of the metal braid 2 is not less than 90%.

Further, the filler 3 is made of inorganic ceramic powder.

Furthermore, five cable conductors 6 are uniformly arranged inside the inner sheath 4, and each cable conductor 6 comprises a conductor wire core 61 and a wire core insulating sheath 62; the wire core insulating sheath 62 is made of rubber materials, and the wire core insulating sheath 62 is wrapped outside the conductor wire core 61; the conductor wire core 61 is formed by arranging a plurality of copper alloy wire cores in a cluster shape.

Further, the inner sheath 4 comprises a fireproof flame-retardant layer 41 and a shielding layer 42, the shielding layer 42 is wrapped outside the fireproof flame-retardant layer 41, and the fireproof flame-retardant layer is wrapped outside the wrapping layer 5; the shielding layer 42 is woven from silver-plated aramid fibers.

Further, the wrapping layer 5 is a low-smoke halogen-free flame-retardant belt wrapped outside the filler 7.

Further, the anti-pressure block 8 and the outer sheath 1 are made of TPU materials.

The working principle is as follows: when the cable is used, the outside of the cable conductor 6 is wrapped with the filler 7, the wrapping layer 5 and the inner sheath 4, so that the cable has the performances of fire prevention, flame retardance, high temperature resistance, insulation and interference resistance; when the cable receives outside extrusion, when dragging, metal braid layer 2 can play to prevent dragging the effect to the cable, takes place deformation when anti-pressing block 8 and return spring 9 receive power, can realize the cushioning effect, has the guard action to the cable, and anti-pressing block 8 and return spring 9 kick-back after the pressurized can play the effect of secondary resistance to compression

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The environment-friendly flame-retardant anti-interference cable is characterized by comprising an outer sheath (1), wherein a metal woven layer (2) is arranged inside the outer sheath (1), a pressure resistant layer (3) is arranged inside the metal woven layer (2), an inner sheath (4) is arranged inside the pressure resistant layer (3), a wrapping layer (5) is arranged inside the inner sheath (4), a cable conductor (6) is wrapped inside the wrapping layer (5), and a filler (7) is filled between the cable conductor (6) and the wrapping layer (5); the anti-pressure layer (3) is uniformly and fixedly connected with an anti-pressure block (8), a groove is formed in one end, facing the outer sheath (1), of the anti-pressure block (8), and a return spring (9) is fixedly connected into the groove.

2. The environment-friendly flame-retardant anti-interference cable according to claim 1, wherein: the metal braid (2) is formed by weaving stainless steel wires, and the weaving density of the metal braid (2) is not less than 90%.

3. The environment-friendly flame-retardant anti-interference cable according to claim 1, wherein: the filler (7) is made of inorganic ceramic powder.

4. The environment-friendly flame-retardant anti-interference cable according to claim 1, wherein: the number of the cable conductors (6) is five, the cable conductors are uniformly arranged in the inner sheath (4), and the cable conductors (6) comprise conductor wire cores (61) and wire core insulating sheaths (62); the wire core insulating sheath (62) is made of rubber materials, and the wire core insulating sheath (62) is wrapped outside the conductor wire core (61); the conductor wire core (61) is formed by arranging a plurality of copper alloy wire cores in a cluster shape.

5. The environment-friendly flame-retardant anti-interference cable according to claim 1, wherein: the inner sheath (4) comprises a fireproof flame-retardant layer (41) and a shielding layer (42), the shielding layer (42) wraps the fireproof flame-retardant layer (41), and the fireproof flame-retardant layer wraps the wrapping layer (5); the shielding layer (42) is formed by weaving silver-plated aramid fibers.

6. The environment-friendly flame-retardant anti-interference cable according to claim 1, wherein: the wrapping layer (5) is a low-smoke halogen-free flame-retardant belt wrapped outside the filler (7).

7. The environment-friendly flame-retardant anti-interference cable according to claim 1, wherein: the anti-pressing block (8) and the outer sheath (1) are both made of TPU materials.