CN217880884U - Soft light wire and cable for aerospace - Google Patents

Abstract

The utility model discloses a soft light-duty wire and cable for aerospace, including the inner core, the outer fixed surface of inner core is connected with the shell, the surface cover of shell is equipped with insulating cover, the outer fixed surface of shell is connected with the cushion collar, a plurality of connecting plates of outer fixed surface of cushion collar is connected with, the equal fixedly connected with seal membrane of surface of connecting plate and cushion collar, the inside of insulating cover is provided with the filler, the filler is in between the connecting plate, the surface of filler is connected with the outer fixed surface of filler, the rhombus groove that link up is all seted up to the inside of cushion collar and connecting plate, the surface parcel of connecting plate has flame retardant fiber, flame retardant fiber's surface is connected with the outer fixed surface of filler, relates to aerospace cable technical field, has solved that current cable wire volume, weight are big to and the compliance is relatively poor to the problem of aerospace user demand.

Description

Soft light wire and cable for aerospace

Technical Field

The utility model relates to an aerospace cable technical field specifically is a soft light-duty electric wire and cable for aerospace.

Background

With the effective application of loads such as military communication, electronic reconnaissance, navigation, early warning and the like, the requirements on the light weight and miniaturization of an aerospace vehicle cable network are very urgent, and in the conventional electric wire and cable, the weight ratio of a conductor to a shielding layer metal material is the largest, so that the volume and the weight of the electric wire and cable are larger, the integral flexibility is poor, and the use requirements of aerospace are not met, so that the problems need to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a soft light-duty wire and cable for aerospace has solved current cable wire volume, heavy to and the compliance is relatively poor, thereby is not conform to the problem of aerospace user demand.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a soft light-duty wire and cable for aerospace, includes the inner core, the outer fixed surface of inner core is connected with the shell, the surface cover of shell is equipped with insulating cover, the outer fixed surface of shell is connected with the cushion collar, a plurality of connecting plates of outer fixed surface of cushion collar is connected with, the equal fixedly connected with seal membrane of surface of connecting plate and cushion collar, the inside of insulating cover is provided with the filler, the filler is in between the connecting plate, the surface of filler and the outer fixed surface of seal membrane are connected, the rhombus groove that link up is all seted up to the inside of cushion collar and connecting plate, the surface parcel of connecting plate has flame retardant fiber, flame retardant fiber's surface and the outer fixed surface of filler are connected, flame retardant fiber's surface and the interior fixed surface of insulating cover are connected.

Preferably, the outer shell comprises an anticorrosive layer, and the outer surface of the anticorrosive layer is fixedly connected with the outer surface of the inner core.

Preferably, the outer surface of the anticorrosive layer is fixedly connected with a waterproof layer, and the outer surface of the waterproof layer is fixedly connected with a wrapping layer.

Preferably, the anticorrosive coating is made of epoxy resin material.

Preferably, the waterproof layer is made of a waterproof breathable film.

Preferably, the wrapping layer is made of a heat shrinkable film.

Advantageous effects

The utility model provides a soft light-duty aerospace wire and cable. Compared with the prior art, the method has the following beneficial effects:

(1) The inner core is high-low temperature resistant and radiation resistant through the structures of the insulating sleeve, the buffer sleeve, the filler, the flame-retardant fiber and the like, the overall flexibility of the inner core is improved, and the toughness is improved so that the inner core is stretch-resistant;

(2) The shell is made of the anti-corrosion layer, the waterproof layer and the wrapping layer, so that the waterproof performance, the corrosion resistance and the antistatic interference of the inner core are enhanced, and the service life is prolonged.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is a side view of the external structure of the cushion collar of the present invention;

fig. 3 is a schematic view of the overall structure of the housing of the present invention.

In the figure: 1. an inner core; 2. a housing; 21. an anticorrosive layer; 22. a waterproof layer; 23. a wrapping layer; 3. an insulating sleeve; 4. a buffer sleeve; 5. a connecting plate; 6. sealing the film; 7. a filler; 8. a diamond-shaped groove; 9. a flame retardant fiber.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a soft light wire cable for aerospace comprises an inner core 1, wherein the inner core 1 is formed by twisting aluminum alloy or copper-clad aluminum conductor monofilaments, the specific size and proportion of the device are optimized along with the actual situation, the outer surface of the inner core 1 is fixedly connected with a shell 2, the outer surface of the shell 2 is sleeved with an insulating sleeve 3, the insulating sleeve 3 is made of a smooth wrapping material formed by wrapping a polyimide composite tape and a PTFE raw material tape on wrapping equipment and sintering, the anti-radiation shell is used for reducing the weight and has insulativity, the silver-plated aramid fibers are arranged on the inner wall of the shell and are woven in a bidirectional and crossed mode through a weaving machine to form a shielding layer, the anti-radiation shell has an anti-radiation function, a buffer sleeve 4 is fixedly connected to the outer surface of the shell 2, a plurality of connecting plates 5 are fixedly connected to the outer surface of the buffer sleeve 4, the connecting plates 5 are arranged at equal intervals, and the buffer sleeve 4 and the connecting plates 5 enhance the flexibility of the whole body, the outer surfaces of the connecting plate 5 and the buffer sleeve 4 are fixedly connected with a sealing film 6, the sealing film 6 can play a role in separation, a filler 7 is arranged inside the insulating sleeve 3, the filler 7 is made of a foam filler, the quality is reduced, and the insulating property is achieved, the filler 7 is positioned between the connecting plates 5, the outer surface of the filler 7 is fixedly connected with the outer surface of the sealing film 6, penetrating rhombic grooves 8 are formed in the buffer sleeve 4 and the connecting plate 5, a plurality of rows of rhombic grooves 8 are arranged at equal intervals, the rhombic grooves 8 in two adjacent rows are arranged in a staggered manner, the buffer sleeve 4 and the connecting plate 5 are convenient to deform under stress by the rhombic grooves 8, the inner parts are mutually extruded and damaged, the outer surface of the connecting plate 5 is wrapped with flame-retardant fibers 9, the flame-retardant fibers 9 avoid the problem of spontaneous combustion under high temperature and high pressure, the outer surfaces of the flame-retardant fibers 9 are fixedly connected with the outer surfaces of the filler 7, and the outer surfaces of the flame-retardant fibers 9 are fixedly connected with the inner surface of the insulating sleeve 3, the shell 2 comprises an anticorrosive layer 21, the outer surface of the anticorrosive layer 21 is fixedly connected with the outer surface of the inner core 1, the outer surface of the anticorrosive layer 21 is fixedly connected with a waterproof layer 22, the outer surface of the waterproof layer 22 is fixedly connected with a wrapping layer 23, the anticorrosive layer 21 is made of epoxy resin materials, the waterproof layer 22 is made of a waterproof breathable film, and the wrapping layer 23 is made of a heat shrinkable film.

And those not described in detail in this specification are well within the skill of the art.

When the cable works, firstly, a plurality of monofilament aluminum alloy or copper-clad aluminum conductors are stranded into an inner core 1, then epoxy resin is coated on the outer surface of the inner core 1 to form an anticorrosive layer 21, the surface of the anticorrosive layer 21 is bonded through glue and wound with a waterproof breathable film to form a waterproof layer 22 so as to improve the waterproof performance, finally, a thermal shrinkage film is wound and bonded through glue to form a wrapping layer 23 so as to form a shell 2 so as to wrap the inner core 1, then, a buffer sleeve 4 is wrapped on the outer surface of the shell 2, two sides of the buffer sleeve 4 are bonded through glue, the buffer sleeve 4 is bonded with the shell 2, then, a sealing film 6 is covered on the outer surfaces of a connecting plate 5 and the buffer sleeve 4 through glue, a diamond-shaped groove 8 is protected, a flame-retardant fiber 9 is wrapped on the outer surface of the connecting plate 5, an insulating sleeve 3 is bonded outside the flame-retardant fiber 9, finally, a foam filler is injected into an inner space defined by the flame-retardant fiber 9 and the sealing film 6 for filling, and the foam filler is prevented from entering the diamond-shaped groove 6 so as to reduce the buffer performance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. The utility model provides a soft light-duty wire and cable for aerospace, includes inner core (1), its characterized in that: the outer fixed surface of inner core (1) is connected with shell (2), the surface cover of shell (2) is equipped with insulating cover (3), the outer fixed surface of shell (2) is connected with buffer sleeve (4), the outer fixed surface of buffer sleeve (4) is connected with a plurality of connecting plates (5), the equal fixedly connected with seal membrane (6) of surface of connecting plate (5) and buffer sleeve (4), the inside of insulating cover (3) is provided with filler (7), filler (7) are in between connecting plate (5), the surface of filler (7) is connected with the outer fixed surface of seal membrane (6), the rhombus groove (8) that link up has all been seted up to the inside of buffer sleeve (4) and connecting plate (5), the surface parcel of connecting plate (5) has flame retardant fiber (9), the surface of flame retardant fiber (9) is connected with the outer fixed surface of filler (7), the surface of flame retardant fiber (9) is connected with the inner fixed surface of insulating cover (3).

2. The flexible light aerospace wire cable of claim 1, wherein: the outer shell (2) comprises an anticorrosive layer (21), and the outer surface of the anticorrosive layer (21) is fixedly connected with the outer surface of the inner core (1).

3. The flexible light aerospace wire cable of claim 2, wherein: the outer fixed surface of anticorrosive coating (21) is connected with waterproof layer (22), the outer fixed surface of waterproof layer (22) is connected with parcel layer (23).

4. The flexible light aerospace wire cable of claim 2, wherein: the anti-corrosion layer (21) is made of epoxy resin materials.

5. The flexible light aerospace wire cable of claim 3, wherein: the waterproof layer (22) is made of a waterproof breathable film.

6. The flexible light aerospace wire cable of claim 3, wherein: the wrapping layer (23) is made of a heat shrinkable film.

Images