CN213277500U

CN213277500U - Flexible fire prevention shielding electronic computer cable is dragged in for military use on-vehicle tensile

Info

Publication number: CN213277500U
Application number: CN202022695756.6U
Authority: CN
Inventors: 袁剑; 李超; 韩春胜
Original assignee: Anhui Yuanzheng Cable Technology Co ltd
Current assignee: Anhui Yuanzheng Cable Technology Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-05-25
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a for military use on-vehicle tensile drags flexible fire prevention shielding electronic computer cable belongs to cable technical field, including two sets of pair twist units and parcel band layer in two sets of pair twist unit outsides, still including preventing dragging parts, the outside on band layer has wrapped up buffer layer, shielding layer and oversheath in proper order, prevents dragging parts including eight groups fan-shaped buffering strip, all is equipped with a plurality of cushion chamber on every group fan-shaped buffering strip, is equipped with buffer spring in the cushion chamber. The utility model can make the cable have stronger tensile property, wear resistance, compression resistance and flexibility, and the fiber reinforced core can improve the tensile property and flexibility of the cable; the fan-shaped buffer strip can further protect the conductor, and buffer springs in the buffer cavities can buffer the twisted units, so that the cable is prevented from being damaged due to impact force.

Description

Flexible fire prevention shielding electronic computer cable is dragged in for military use on-vehicle tensile

Technical Field

The utility model relates to a cable field specifically says that a flexible fire prevention shielding electronic computer cable is dragged to for military use on-vehicle tensile.

Background

In recent years, the trend of miniaturization development of electronic products in communication, medical treatment and military is increasing, the manufacturing industry of cables is developing rapidly, and with the continuous expansion of the application field of the cables, the use environment is deteriorating, so that higher requirements are made on the performance of the cables.

Military computer cables usually need to be dragged back and forth, especially military vehicle-mounted cables have high requirements on the wear resistance, flexibility and tensile property of the cables, and the quality needs to be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible fire prevention shielding electronic computer cable is dragged to for military use on-vehicle tensile to solve the relatively poor technical problem of wearability, flexibility and the tensile strength performance of traditional cable in the above-mentioned background art.

The technical scheme of the utility model is that: including two sets of pair twist unit and parcel at the band layer in two sets of pair twist unit outsides, wherein: the anti-dragging component is arranged between the buffer layer and the belting layer, each group of pair twisting units comprises two pair-twisted tinned soft copper conductors, and the outer side of each tinned soft copper conductor is sequentially wrapped with a double-layer synthetic mica refractory layer and a silicon rubber insulating sleeve; the outer side of the pair twisting unit is wrapped with a fiber composite woven shielding layer, and a gap between the belting layer and the pair twisting unit is filled with a flame-retardant filler;

prevent dragging the part including eight groups and be circumference evenly distributed's fan-shaped buffering strip, fan-shaped buffering strip is made by the elastic rubber material, every group all be equipped with the cushion chamber that a plurality of set up along its length direction equidistant on the fan-shaped buffering strip, be equipped with buffer spring in the cushion chamber, buffer spring's both ends are connected respectively in the chamber bottom of cushion chamber and the inner wall on buffer layer.

Preferably, in order to further improve the tensile property of the cable, each group of the fan-shaped buffer strips is provided with two buffer holes, and each buffer hole is internally provided with a fiber reinforced core.

Preferably, in order to further improve the heat resistance of the cable, the outer sheath is made of a radiation cross-linked ethylene-tetrafluoroethylene copolymer.

Preferably, the shielding layer is made of light conductive fiber materials.

Preferably, in order to further improve the flame retardant effect of the cable, the flame retardant filler is a ceramic halogen-free low-smoke flame retardant polyolefin material.

Preferably, the wrapping tape layer is a low-smoke halogen-free high-flame-retardant wrapping tape layer.

Preferably, the buffer layer is formed by wrapping polyester fiber non-woven fabrics with the thickness of 0.15 mm.

The utility model discloses an improve and provide a flexible fire prevention shielding electronic computer cable is dragged to for military use on-vehicle tensile here, compare with prior art, have following improvement and advantage:

firstly, the utility model can make the cable have stronger tensile property, wear resistance, compression resistance and flexibility, and the fiber reinforced core can improve the tensile property and flexibility of the cable; the fan-shaped buffer strips are made of elastic rubber materials and can further protect the conductors, and the buffer springs in the buffer cavities can buffer the twisted units, so that the cables are prevented from being damaged due to impact force; the technical problems of poor wear resistance, flexibility and tensile property of the traditional cable in the background technology are solved.

Secondly, the shielding layer of the utility model is made of light conductive fiber material; the shielding layer made of the light conductive fiber material has the advantages of high strength, good flexibility, light weight and excellent shielding performance.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is a partial sectional view of the first embodiment of the present invention;

fig. 3 is a partial sectional view of the second embodiment of the present invention;

description of reference numerals:

1. a pair twisting unit; 11. tin-plated soft copper conductors; 12. a silicon rubber insulating sleeve; 2. a belting layer; 3. a drag prevention member; 31. a sector buffer strip; 32. a buffer chamber; 33. a buffer spring; 34. a fiber-reinforced core; 4. a double-layer synthetic mica refractory layer; 41. the fiber composite weaving divides the shielding layer; 42. a flame retardant filler; 5. a buffer layer; 6. a shielding layer; 7. an outer sheath.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.

The utility model discloses an improve and provide a flexible fire prevention shielding electronic computer cable is dragged to on-vehicle tensile of military use here, as shown in fig. 1-fig. 3, including two sets of pair twist unit 1 and parcel band layer 2 in the 1 outside of two sets of pair twist units, wherein: the anti-dragging component 3 is sequentially wrapped on the outer side of the belting layer 2, a buffer layer 5, a shielding layer 6 and an outer sheath 7 are sequentially wrapped on the outer side of the belting layer 2, the anti-dragging component 3 is arranged between the buffer layer 5 and the belting layer 2, each group of pair-twisting units 1 respectively comprises two pair-twisted tinned soft copper conductors 11, and the outer side of each tinned soft copper conductor 11 is sequentially wrapped with a double-layer synthetic mica refractory layer 4 and a silicon rubber insulating sleeve 12; the outer side of the pair twisting unit 1 is wrapped with a fiber composite woven sub-shielding layer 41, and a gap between the belting layer 2 and the pair twisting unit 1 is filled with a flame-retardant filler 42; the double-layer synthetic mica fireproof layer 4 can improve the fireproof performance of the tinned soft copper conductor 11, the silicon rubber insulating sleeve 12 can play an insulating role, the fiber composite braided sub-shielding layer 41 can improve the shielding performance of the tinned soft copper conductor 11, the buffer layer 5 is used for playing a protective role, the compression resistance of the cable can be further improved, and the anti-dragging component 3 can prevent the cable from being damaged due to the fact that external force excessively extrudes the cable, so that the protection capability of the cable is improved;

the anti-dragging component 3 comprises eight groups of fan-shaped buffer strips 31 which are uniformly distributed in the circumferential direction, the fan-shaped buffer strips 31 are made of elastic rubber materials, each group of fan-shaped buffer strips 31 is provided with a plurality of buffer cavities 32 which are arranged at equal intervals along the length direction of the fan-shaped buffer strips, buffer springs 33 are arranged in the buffer cavities 32, and two ends of each buffer spring 33 are respectively connected to the cavity bottom of each buffer cavity 32 and the inner wall of the buffer layer 5; in order to further improve the buffering capacity of the cable, the buffer springs 33 in the buffer cavities 32 can buffer the twisted unit 1, so that the cable is prevented from being damaged due to impact force, and the fan-shaped buffer strips 31 are made of elastic rubber materials and can further protect the conductor 11.

Specifically, in order to further improve the tensile property of the cable, two buffer holes are formed in each group of the fan-shaped buffer strips 31, and a fiber reinforced core 34 is installed in each buffer hole; the fiber-reinforced core 34 can improve the tensile properties as well as the flexibility of the cable.

Specifically, in order to further improve the heat resistance of the cable, the outer sheath 7 is made of irradiation cross-linked ethylene-tetrafluoroethylene copolymer; the sheath made of the irradiation crosslinking ethylene-tetrafluoroethylene copolymer material has the advantages of light weight and high temperature resistance.

Specifically, the shielding layer 6 is made of a light conductive fiber material; the shielding layer 6 made of the light conductive fiber material has the advantages of high strength, good flexibility, light weight and excellent shielding performance.

Specifically, in order to further improve the flame retardant effect of the cable, the flame retardant filler 42 is a ceramic halogen-free low-smoke flame retardant polyolefin material, and the ceramic halogen-free low-smoke flame retardant polyolefin material has a better flame retardant property.

Specifically, the belting layer 2 is a low-smoke halogen-free high-flame-retardant belting layer; the low-smoke halogen-free high-flame-retardant wrapping tape layer ensures that the cable has excellent low-smoke halogen-free and flame-retardant properties.

Specifically, in order to further improve the cushioning performance of the buffer layer 5, the buffer layer 5 is formed by wrapping a polyester fiber non-woven fabric with a thickness of 0.15 mm.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a flexible fire prevention shielding electronic computer cable is dragged to on-vehicle tensile of military use, includes two sets of pair twist unit (1) and parcel band layer (2) in two sets of pair twist unit (1) outsides, its characterized in that: the anti-dragging device is characterized by further comprising anti-dragging components (3), the outer side of the belting layer (2) is sequentially wrapped with a buffer layer (5), a shielding layer (6) and an outer sheath (7), the anti-dragging components (3) are arranged between the buffer layer (5) and the belting layer (2), each group of pair twisting units (1) comprises two pair-twisted tinned soft copper conductors (11), and the outer side of each tinned soft copper conductor (11) is sequentially wrapped with a double-layer synthetic mica refractory layer (4) and a silicon rubber insulating sleeve (12); the outer side of the pair-twisting unit (1) is wrapped with a fiber composite woven shielding layer (41), and a gap between the belting layer (2) and the pair-twisting unit (1) is filled with a flame-retardant filler (42);

prevent dragging part (3) including eight groups fan-shaped buffering strip (31) that are circumference evenly distributed, fan-shaped buffering strip (31) are made by the elastic rubber material, every group all be equipped with buffer chamber (32) that a plurality of set up along its length direction equidistant on fan-shaped buffering strip (31), be equipped with buffer spring (33) in buffer chamber (32), the both ends of buffer spring (33) are connected respectively at the bottom of the chamber of buffer chamber (32) and the inner wall of buffer layer (5).

2. The military vehicle-mounted tensile towing flexible fire-resistant shielded electronic computer cable of claim 1, wherein: each group of fan-shaped buffer strips (31) are provided with two buffer holes, and each buffer hole is internally provided with a fiber reinforced core (34).

3. The military vehicle-mounted tensile towing flexible fire-resistant shielded electronic computer cable of claim 1, wherein: the outer sheath (7) is made of irradiation cross-linked ethylene-tetrafluoroethylene copolymer.

4. The military vehicle-mounted tensile towing flexible fire-resistant shielded electronic computer cable of claim 1, wherein: the shielding layer (6) is made of light conductive fiber materials.

5. The military vehicle-mounted tensile towing flexible fire-resistant shielded electronic computer cable of claim 1, wherein: the flame-retardant filler (42) is a ceramic halogen-free low-smoke flame-retardant polyolefin material.

6. The military vehicle-mounted tensile towing flexible fire-resistant shielded electronic computer cable of claim 1, wherein: the wrapping tape layer (2) is a low-smoke halogen-free high-flame-retardant wrapping tape layer.

7. The military vehicle-mounted tensile towing flexible fire-shielded electronic computer cable of claim 6, wherein: the buffer layer (5) is formed by wrapping polyester fiber non-woven fabrics with the thickness of 0.15 mm.