CN212750432U

CN212750432U - Aerospace extrusion wire and cable

Info

Publication number: CN212750432U
Application number: CN202021673828.0U
Authority: CN
Inventors: 蔡俊雄
Original assignee: Guangdong Zhihe Wire & Cable Co ltd
Current assignee: Guangdong Zhihe Wire & Cable Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-19
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to the technical field of cables, and an aerospace extrusion wire and cable is disclosed, conductor including a plurality of symmetries setting, the fixed insulating layer that is provided with in the outside of conductor, the common contact in the outside of a plurality of insulating layers is connected with the waterproof layer, the fixed first protective sheath that is provided with in the outside of waterproof layer, the outside of first protective sheath is provided with first shielding layer, the fixed second shielding layer that is equipped with in the outside of first shielding layer, the fixed second protective sheath that is equipped with in the outside of second shielding layer, be provided with between first protective sheath and the first shielding layer and prevent bending mechanism, the outside of second protective sheath is provided with prevents fish tail mechanism. The utility model discloses can receive good protection to the cable in the transportation, reduce the fish tail that the cable outside received.

Description

Aerospace extrusion wire and cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to an aerospace extrudes wire and cable.

Background

The wire cable is an electric energy or signal transmission device, and usually consists of several or several groups of wires, and the cable is an important component in aerospace engineering, so that good performance is required.

When the existing aerospace cable is used, the outside of the cable is only provided with a layer of plastic protective sleeve to protect the cable, but the cable is often dragged and bent on the ground in the carrying process, so that the outer side of the cable is extremely easy to scratch and bend, and the normal use performance of the influenced cable is realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the used cable transportation of space flight among the prior art receives easily and pulls the fish tail and buckle, and the aerospace extrusion wire and cable who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an aerospace extrusion wire and cable, includes the conductor that a plurality of symmetries set up, the fixed insulating layer that is provided with in the outside of conductor, it is a plurality of the common contact in the outside of insulating layer is connected with the waterproof layer, the fixed first protective sheath that is provided with in the outside of waterproof layer, the outside of first protective sheath is provided with first shielding layer, the fixed second shielding layer that is equipped with in the outside of first shielding layer, the fixed second protective sheath that is equipped with in the outside of second shielding layer, be provided with between first protective sheath and the first shielding layer and prevent the bending mechanism, the outside of second protective sheath is provided with prevents fish tail mechanism.

Preferably, prevent that bending mechanism includes the fixed block that a plurality of symmetries set up, it is a plurality of the fixed block is connected with the internal surface fixed connection of first shielding layer, and fixed two rubber buffer rods that are equipped with the symmetry, the other end of rubber buffer rod and the lateral wall fixed connection of first protective sheath.

Preferably, the scratch-proof mechanism comprises a plurality of symmetrical hexagonal rings, the hexagonal rings are fixedly sleeved with the outer side wall of the second protective sleeve, and a plurality of symmetrical connecting rods are fixedly arranged between the hexagonal rings.

Preferably, the inner surface of the waterproof layer is fixedly provided with two symmetrical flame-retardant belts, the two flame-retardant belts are arranged in a crossed manner, and the two flame-retardant belts are in contact connection with the insulating layer.

Preferably, the insulating layer is made of polyvinyl chloride.

Preferably, the first shielding layer is made of an aluminum foil material.

Compared with the prior art, the utility model provides an aerospace extrudes wire and cable possesses following beneficial effect:

1. this wire and cable is extruded in aerospace through the scratch-proof mechanism and the second protective sheath that are equipped with, prevents that the cable from receiving the fish tail when contacting with ground in handling.

2. This wire and cable is extruded in aerospace through preventing the mechanism of buckling and first protective sheath, prevents that the cable from receiving great bending and leading to the cable impaired in use and transportation.

3. This aerospace extrusion wire and cable through fire-retardant area and the waterproof layer that is equipped with, prevents that the cable from weing and burning in the use.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can receive good protection to the cable in the transportation, reduces the fish tail that the cable outside received, has reduced produced the buckling in the cable handling simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an aerospace extruded wire and cable according to the present invention;

fig. 2 is a schematic side view of the structure of fig. 1.

In the figure: the cable comprises a conductor 1, an insulating layer 2, a waterproof layer 3, a first protective sleeve 4, a first shielding layer 5, a second shielding layer 6, a second protective sleeve 7, a fixing block 8, a rubber buffer rod 9, a hexagonal ring 10, a connecting rod 11 and a flame-retardant belt 12.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an aerospace extrusion wire and cable, conductor 1 including a plurality of symmetries setting, the fixed insulating layer 2 that is provided with in the outside of conductor 1, the common contact in the outside of a plurality of insulating layers 2 is connected with waterproof layer 3, it corrodes to set up waterproof layer 3 and carry out cable inside and to conductor 1, the fixed first protective sheath 4 that is provided with in the outside of waterproof layer 3, set up first protective sheath 4 and carry out preliminary protection to conductor 1, the outside of first protective sheath 4 is provided with first shielding layer 5, the fixed second shielding layer 6 that is equipped with in the outside of first shielding layer 5, the fixed second protective sheath 7 that is equipped with in the outside of second shielding layer 6, be provided with between first protective sheath 4 and the first shielding layer 5 and prevent the mechanism of buckling, the outside of second protective sheath 7 is provided with prevents fish.

Prevent mechanism of buckling includes the fixed block 8 that a plurality of symmetries set up, and a plurality of fixed blocks 8 are connected with the internal surface fixed of first shielding layer 5, and fixed two rubber buffer pole 9 that are equipped with the symmetry, and the other end of rubber buffer pole 9 and the lateral wall fixed connection of first protective sheath 4 set up the rubber buffer pole 9 and prevent that conductor 1 from receiving the damage of buckling along when the cable is bent.

Prevent that fish tail mechanism includes hexagonal ring 10 that a plurality of symmetries set up, and hexagonal ring 10 cup joints with the lateral wall of second protective sheath 7 is fixed, and the connecting rod 11 that a plurality of symmetries set up is fixed to be equipped with between two adjacent hexagonal rings 10, sets up hexagonal ring 10 and makes second protective sheath 7 direct and ground contact not, prevents that the cable from receiving the fish tail.

The internal surface of waterproof layer 3 is fixed and is equipped with two fire-retardant areas 12 of symmetry, and two fire-retardant areas 12 are the setting of crossing, and two fire-retardant areas 12 all are connected with insulating layer 2 contact, and insulating layer 2 is made by polyvinyl chloride, and first shielding layer 5 adopts the aluminium foil material to make.

The utility model discloses in, when carrying and pulling the cable, a plurality of hexagonal rings 10 and connecting rod 11 through the setting, make the second protective sheath 7 of cable not directly contact with ground, thereby prevent that the cable from receiving the fish tail when using, buckle simultaneously to the cable and pull the time, first shielding layer 5 receives the extrusion to fixed block 8 and rubber buffer pole 9, thereby bend through the atress of rubber buffer pole 9 and make pressure can't directly contact with conductor 1, thereby prevent that conductor 1 from producing great bending when receiving the side pulling force, the performance of cable has been improved, separate a plurality of conductors 1 through setting up fire-retardant zone 12 simultaneously, and through setting up waterproof layer 3, prevent that the cable from receiving the erosion and the burning of rainwater when using.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an aerospace extrusion wire and cable, includes conductor (1) that a plurality of symmetries set up, its characterized in that, the fixed insulating layer (2) that is provided with in the outside of conductor (1), it is a plurality of the common contact in the outside of insulating layer (2) is connected with waterproof layer (3), the fixed first protective sheath (4) that is provided with in the outside of waterproof layer (3), the outside of first protective sheath (4) is provided with first shielding layer (5), the fixed second shielding layer (6) that is equipped with in the outside of first shielding layer (5), the fixed second protective sheath (7) that is equipped with in the outside of second shielding layer (6), be provided with between first protective sheath (4) and first shielding layer (5) and prevent the mechanism of buckling, the outside of second protective sheath (7) is provided with prevents fish tail mechanism.

2. The aerospace extruded wire and cable as claimed in claim 1, wherein the bending prevention mechanism comprises a plurality of symmetrically arranged fixing blocks (8), the fixing blocks (8) are fixedly connected with the inner surface of the first shielding layer (5) and are fixedly provided with two symmetrical rubber buffer rods (9), and the other ends of the rubber buffer rods (9) are fixedly connected with the outer side wall of the first protective sleeve (4).

3. The aerospace extruded wire and cable according to claim 1, wherein the scratch-proof mechanism comprises a plurality of symmetrically arranged hexagonal rings (10), the hexagonal rings (10) are fixedly sleeved with the outer side wall of the second protective sleeve (7), and a plurality of symmetrically arranged connecting rods (11) are fixedly arranged between every two adjacent hexagonal rings (10).

4. The aerospace extruded wire and cable according to claim 1, wherein the waterproof layer (3) is fixed on the inner surface thereof with two symmetrical flame retardant tapes (12), the two flame retardant tapes (12) are arranged in a crossed manner, and both the flame retardant tapes (12) are in contact connection with the insulating layer (2).

5. An aerospace extruded wire and cable according to claim 1, wherein the insulating layer (2) is made of polyvinyl chloride.

6. An aerospace extruded wire and cable according to claim 1, wherein the first shielding layer (5) is made of aluminum foil.