CN209433919U - A kind of Anti-pressure wire and cable - Google Patents

Abstract

The utility model discloses a kind of Anti-pressure wire and cable, including main body, the main body is by protection outer layer, froth bed, nylon layer, dielectric ceramic layer, inside protective layer and several plain conductor compositions, the froth bed is fixed on the inner sidewall of protection outer layer, the inner sidewall of the froth bed and the outer surface of nylon layer connect, the dielectric ceramic layer is fixed on the inner surface of nylon layer, cavity is provided between the dielectric ceramic layer and inside protective layer, the cavity inside is provided with several groups collapse mechanism, upper and lower side between the collapse mechanism passes through setting connecting column and connects, the collapse mechanism is made of several air bags, the air bag is set as regular hexagon.The utility model structure is simple, and design rationally, can effectively increase the anti-pressure ability of wire and cable, prevents internal conducting wire to be pressurized excessive and be broken, while having good preserving heat and radiating heat performance, increases the service life of cable.

Description

A kind of Anti-pressure wire and cable

Technical field

The utility model relates to cable machinery technical field, specially a kind of Anti-pressure wire and cable.

Background technique

Cable is usually every group by several or the cable of similar rope that several groups of conducting wires [every group at least two] are twisted Mutually insulated between conducting wire, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation, and multi rack is located at It is aerial or be mounted in underground, the bottom, be used for telecommunication or power Transmission, cable by its purposes can be divided into power cable, communication cable and Cable etc. is controlled, compared with overhead line, the advantages of cable is that insulation distance is small between line, and space occupied is small, and underground laying is without accounting for The above space in ground, is not influenced by ambient contamination, power transmission high reliablity, is interfered personal safety and ambient enviroment, therefore, Cable is applied to the dense area of densely populated and power grid and congested in traffic busy place more；Cross river, cross the river, laying down on sea bottom then can avoid Use large span overhead line.

Conventional apparatus has following deficiency:

1, since cable is other than internal conducting wire, outer layer is nearly all to have rubber and plastic material to constitute, although having one Fixed toughness and elasticity, but without good compressive property, when part is by biggish pressure, outer layer be easy to cause pressure Trace, or even make internal wire fracture, the service life of influence power cable；

2, simultaneously because underground is arranged in most of cable, electric conductivity is easy to be influenced by ambient temperature.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of Anti-pressure wire and cable Since cable is other than internal conducting wire, outer layer be nearly all there is rubber and plastic material to constitute, although have certain toughness and Elasticity, but without good compressive property, when part is by biggish pressure, outer layer be easy to cause impression, or even makes interior The problem of wire fracture in portion, influence power cable service life.

To achieve the above object, the utility model provides the following technical solutions: a kind of Anti-pressure wire and cable, including master Body, the main body is by protection outer layer, froth bed, nylon layer, dielectric ceramic layer, inside protective layer and several plain conductor groups At the froth bed is fixed on the inner sidewall of protection outer layer, the inner sidewall of the froth bed and the outer surface of nylon layer Connection, the dielectric ceramic layer is fixed on the inner surface of nylon layer, between the dielectric ceramic layer and inside protective layer It is provided with cavity, the cavity inside is provided with several groups collapse mechanism, and the upper and lower side between the collapse mechanism, which passes through, to be set Connecting column connection is set, the collapse mechanism is made of several air bags, and the air bag is set as regular hexagon, and the two of the air bag Side is connect with dielectric ceramic layer and inside protective layer respectively, and the plain conductor is mounted on the inside of inside protective layer, described interior Insulation fill stratum is provided between side protective layer and plain conductor.

Preferably, several grooves are provided on the outer surface of the protection outer layer, are symmetrically set between the groove It sets.

Preferably, several through-holes are provided on the froth bed, the through-hole is internally provided with rubber column, the rubber Column is mounted on the inner sidewall of protection outer layer, and the length of the rubber column is shorter than the length of through-hole.

Preferably, the cavity inside is provided with rubber filling layer in the two sides of collapse mechanism.

Preferably, the upper and lower side between the air bag is mounted on spring.

Preferably, several groups locating ring is installed on the outside of the plain conductor.

Compared with prior art, the utility model has the beneficial effects that

1, for the utility model by being provided with several groups collapse mechanism in cavity inside, the upper and lower side between collapse mechanism is equal It is connected by setting connecting column, collapse mechanism is made of several air bags, and air bag is set as regular hexagon, passes through collapse mechanism Effect, can carry out buffering decomposition to the pressure being subject to, and the effective anti-pressure ability for increasing wire and cable prevents internal conducting wire It is pressurized excessive and is broken, cable outer layer structure can also quickly resile；

2, the utility model is by being provided with froth bed, nylon layer and dielectric ceramic layer, passes through froth bed, nylon layer and absolutely The effect of edge ceramic layer, plays the role of centainly completely cutting off external temperature, while cooperating the effect of air bag, and heat dissipation that can be very certain is kept the temperature Effect prevents cable by the influence of extraneous temperature, guarantees that cable can work normally.

Detailed description of the invention

Fig. 1 is a kind of Anti-pressure wire and cable overall structure diagram of the utility model；

Fig. 2 is a kind of Anti-pressure wire and cable entirety main view of the utility model；

Fig. 3 is a kind of Anti-pressure wire and cable collapse mechanism structural schematic diagram of the utility model.

In figure: 1, main body；2, outer layer is protected；3, froth bed；31, through-hole；4, nylon layer；5, dielectric ceramic layer；6, inside Protective layer；7, plain conductor；8, cavity；81, rubber filling layer；9, collapse mechanism；10, air bag；11, insulation fill stratum；12, recessed Slot；13, rubber column；14, spring；15, locating ring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of Anti-pressure wire and cable, including main body 1, The main body 1 is by protection outer layer 2, froth bed 3, nylon layer 4, dielectric ceramic layer 5, inside protective layer 6 and several plain conductors 7 Composition, the froth bed 3 are fixed on the inner sidewall of protection outer layer 2, inner sidewall and the nylon layer 4 of the froth bed 3 Outer surface connection, the dielectric ceramic layer 5 are fixed on the inner surface of nylon layer 4, and the dielectric ceramic layer 5 and inside are anti- Cavity 8 is provided between sheath 6, the cavity 8 is internally provided with several groups collapse mechanism 9, upper between the collapse mechanism 9 Lower end passes through setting connecting column and connects, and the collapse mechanism 9 is made of several air bags 10, and the setting of air bag 10 is positive six The two sides of side shape, the air bag 10 are connect with dielectric ceramic layer 5 and inside protective layer 6 respectively, and the plain conductor 7 is mounted on interior The inside of side protective layer 6 is provided with insulation fill stratum 11 between the inside protective layer 6 and plain conductor 7.

Several grooves 12 are provided on the outer surface of the protection outer layer 2, are symmetrically set between the groove 12, Be conducive to decompose the pressure that protection 2 surface of outer layer is subject to, prevent from causing impression on the surface of protection outer layer 2；On the froth bed 3 Several through-holes 31 are provided with, the through-hole 31 is internally provided with rubber column 13, and the rubber column 13 is mounted on protection outer layer 2 On inner sidewall, the length of the rubber column 13 is shorter than the length of through-hole 31, is conducive to play certain heat spreading function, guarantee simultaneously Being under pressure makes froth bed 3 can be with Quick-return deformation；Rubber is provided in the two sides of collapse mechanism 9 inside the cavity 8 Filled layer 81 advantageously ensures that 9 uniform stressed of collapse mechanism, while increasing the stability of collapse mechanism 9；Between the air bag 10 Upper and lower side be mounted on spring 14, advantageously ensuring that can be with uniform decomposition pressure between air bag 10；Outside the plain conductor 7 Side is equipped with several groups locating ring 15, is conducive to fetter plain conductor 7, facilitates connection.

Working principle: in the present apparatus, when receiving extraneous pressure, pressure is delayed by froth bed 3 first Punching is decomposed, and then by the effect of collapse mechanism 9, air bag 10, which is under pressure, can generate corresponding elastic force, with the pressure that is subject into Row is offset, while when the work generation heat of plain conductor 7, air bag 10 can quickly absorb heat, reduce metal and lead The heat that the work of line 7 generates, while the influence of ambient temperature can be completely cut off, the present apparatus can carry out buffering point to the pressure being subject to Solution, the effective anti-pressure ability for increasing wire and cable prevent internal conducting wire to be pressurized excessive and be broken, and cable outer layer structure can also Quickly to resile, is acted on by froth bed 3, nylon layer 4 and dielectric ceramic layer 5, plays the role of centainly completely cutting off external temperature, Cooperate the effect of air bag 10 simultaneously, heat dissipation insulation effect that can be very certain prevents cable by the influence of extraneous temperature, protects Card cable can work normally.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of Anti-pressure wire and cable, including main body (1), it is characterised in that: the main body (1) is by protection outer layer (2), foam Layer (3), nylon layer (4), dielectric ceramic layer (5), inside protective layer (6) and several plain conductor (7) compositions, the froth bed (3) it is fixed on the inner sidewall of protection outer layer (2), the inner sidewall of the froth bed (3) and the outer surface of nylon layer (4) connect It connects, the dielectric ceramic layer (5) is fixed on the inner surface of nylon layer (4), and the dielectric ceramic layer (5) and inside are protected It is provided with cavity (8) between layer (6), the cavity (8) is internally provided with several groups collapse mechanism (9), the collapse mechanism (9) Between upper and lower side pass through setting connecting column and connect, the collapse mechanism (9) is made of several air bags (10), the air bag (10) it is set as regular hexagon, the two sides of the air bag (10) are connect with dielectric ceramic layer (5) and inside protective layer (6) respectively, The plain conductor (7) is mounted on the inside of inside protective layer (6), sets between the inside protective layer (6) and plain conductor (7) It is equipped with insulation fill stratum (11).

2. a kind of Anti-pressure wire and cable according to claim 1, it is characterised in that: the appearance of protection outer layer (2) It is provided with several grooves (12) on face, is symmetrically set between the groove (12).

3. a kind of Anti-pressure wire and cable according to claim 1, it is characterised in that: be provided on the froth bed (3) Several through-holes (31), the through-hole (31) are internally provided with rubber column (13), and the rubber column (13) is mounted on protection outer layer (2) on inner sidewall, the length of the rubber column (13) is shorter than the length of through-hole (31).

4. a kind of Anti-pressure wire and cable according to claim 1, it is characterised in that: the cavity (8) is internal in resistance to compression The two sides of mechanism (9) are provided with rubber filling layer (81).

5. a kind of Anti-pressure wire and cable according to claim 1, it is characterised in that: above and below between the air bag (10) End is mounted on spring (14).

6. a kind of Anti-pressure wire and cable according to claim 1, it is characterised in that: the outside of the plain conductor (7) Several groups locating ring (15) are installed.