CN210271893U - Water-tight foamed electric wire and cable - Google Patents

Abstract

The utility model discloses a water-tight foamed electric wire and cable, which comprises a cable shell body, a cable core layer is arranged inside the cable shell body, a cross support is fixedly arranged at the central position in the cable core layer, a cable core sleeve is fixedly arranged between every two pillars of the cross support, a cable core is fixedly arranged inside the cable core sleeve, a plurality of uniformly distributed foamed insulators are arranged around the outer surface of the cable core, a buffer layer is wrapped on the outer surface of the cable core layer, a plurality of uniformly distributed buffer spring pillars are fixedly arranged inside the buffer layer, an anti-deformation layer is wrapped on the outer surface of one end of the buffer layer away from the cable core layer, a good anti-rolling effect is achieved through the arranged outer armor layer, most of power cables are arranged underground, the deformation of the power cables caused by excessive soil pressure and vehicle running pressure is avoided, the structural integrity of the power cables is protected, and a good waterproof effect can be achieved through the, thereby preventing the internal structure from being wetted and scrapped and prolonging the service life.

Description

Water-tight foamed electric wire and cable

Technical Field

The utility model relates to a wire and cable technical field specifically is a water-stop foamed wire and cable.

Background

With the development of information and communication networks, electric wires and cables have been developed from simple power transmission to multi-functionalization, data transmission cables used between machines need to have excellent transmission characteristics at high speed, large capacity and high frequency, and cables need to have water-tight sealing performance in underwater vehicles, ocean detectors, hydraulic engineering, oil platforms, tunnels, underground engineering, buried cables and the like, but at present, in the use process of the cables, due to the damage of the outer protective layer of the cables caused by environmental or artificial factors, water can permeate along the gaps of the internal structures of the cables in the length direction of the cables to cause the rejection of the cables and even damage to electric appliances, and most of the cables used in high-speed differential transmission use foamed insulators manufactured by a physical foaming mode, however, the cables of the structure are easy to deform or crush by external force when in use, the compression resistance is poor, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water-stop foamed electric wire and cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water-stop foaming electric wire cable, includes the cable shell body, the inside cable sandwich layer that is equipped with of cable shell body, the inside central point of cable sandwich layer puts fixed mounting has the cross support, equal fixed mounting has the cable core cover between every pillar of cross support, the inside fixed mounting of cable core cover has the cable core, the cable core surface encircles the foaming insulator who is provided with a plurality of evenly distributed, cable core layer surface parcel has the buffer layer, the inside fixed mounting of buffer layer has a plurality of evenly distributed's buffering spring post, cable sandwich layer one end surface parcel is kept away from to the buffer layer has the deformation layer of preventing, deformation layer inside fixed mounting has deformation mechanism of preventing.

Preferably, the outer surface of one end, away from the buffer layer, of the deformation-preventing layer is wrapped with a flame-retardant layer, the outer surface of one end, away from the deformation-preventing layer, of the flame-retardant layer is wrapped with a waterproof layer, and the outer surface of one end, away from the flame-retardant layer, of the waterproof layer is wrapped with an outer steel-band armor layer.

Preferably, prevent that deformation mechanism includes fore-set and arc connecting piece, twelve are no less than to the fore-set, the fore-set encircles and sets up in preventing deformation in situ portion, every adjacent equal fixedly connected with arc connecting piece between the fore-set.

Preferably, the foamed insulator is a crystalline polymer of polyethylene or polystyrene.

Preferably, the flame-retardant layer is made of polyvinyl chloride materials, and waterproof glue is coated inside the waterproof layer.

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

1. through being provided with outer steel band armor in cable housing body inside, outer steel band armor has the good effect of rolling of preventing, present majority power cable buries ground and sets up, it makes power cable produce the deformation to have avoided too big soil pressure and vehicle pressure of traveling, power cable's structural integrity has been protected, can play better water-proof effects through the waterproof layer that sets up simultaneously, thereby prevent that inner structure from weing and scrapping, increase life, can play better flame retardant efficiency through the flame retardant coating that sets up, through preventing deformation mechanism at cable housing body inside being provided with, the fore-set through preventing deformation mechanism can play the effect of support, simultaneously arc connecting piece can link together independent fore-set, thereby can improve the supporting effect greatly, increase the structural stability.

2. Can play better buffering effect when this cable receives external force through buffer layer and the buffering spring post that set up, thereby better protection inner structure does not receive the damage, increase life, through be provided with the cross support in cable core layer inside, can play better cross supporting effect through the cross support that sets up, thereby further prevent this cable atress and warp, can carry out final protection to the cable core through the cable core cover that sets up, thereby improve the life of cable core, performance is good, through the foaming insulator that sets up, its transmission delay is little, show good transmission characteristic, high density polyethylene's dielectric property is little, be favorable to reducing the transmission loss of cable.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of the foamed insulator of the present invention.

In the figure: 1. a cable housing; 2. a cable core layer; 3. a cross-shaped bracket; 4. a cable core sleeve; 5. a cable core; 6. A foamed insulator; 7. a buffer layer; 8. a buffer spring post; 9. an anti-deformation layer; 10. an anti-deformation mechanism; 101. a top pillar; 102. an arc-shaped connecting piece; 11. a flame retardant layer; 12. a waterproof layer; 13. an outer steel tape armor layer.

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. 1-2, the present invention provides a technical solution: a water-sealed foaming electric wire and cable comprises a cable shell body 1, a cable core layer 2 is arranged inside the cable shell body 1, a cross support 3 is fixedly arranged at the center position inside the cable core layer 2, a better cross supporting effect can be achieved through the arranged cross support 3, so that the cable is further prevented from being deformed under force, a cable core sleeve 4 is fixedly arranged between every two support columns of the cross support 3, a cable core 5 is fixedly arranged inside the cable core sleeve 4, a plurality of uniformly distributed foaming insulators 6 are arranged on the outer surface of the cable core 5 in a surrounding mode, a buffer layer 7 is wrapped on the outer surface of the cable core layer 2, a plurality of uniformly distributed buffering spring columns 8 are fixedly arranged inside the buffer layer 7, a better buffering effect can be achieved when the cable is subjected to external force through the arranged buffer layer 7 and the buffering spring columns 8, so that the internal structure is better protected from being damaged, and the, buffer layer 7 is kept away from 2 one end surface parcels of cable sandwich layer and is had deformation-preventing layer 9, and deformation-preventing layer 9 inside fixed mounting has deformation-preventing mechanism 10.

The outer surface of one end, away from the buffer layer 7, of the anti-deformation layer 9 is wrapped with the flame-retardant layer 11, the outer surface of one end, away from the anti-deformation layer 9, of the flame-retardant layer 11 is wrapped with the waterproof layer 12, a good waterproof effect can be achieved through the arranged waterproof layer 12, accordingly, internal structures are prevented from being damaged due to moisture, the service life is prolonged, a good flame-retardant effect can be achieved through the arranged flame-retardant layer 11, the outer steel strip armor layer 13 is wrapped on the outer surface of one end, away from the flame-retardant layer 11, of the waterproof layer 12, the outer steel strip armor layer 13 has a good anti-rolling effect, most of the existing power cables are arranged in a buried mode, the power cables are prevented from being deformed due to excessive soil pressure and vehicle running pressure, the structural integrity of the power cables is protected, the anti-deformation mechanism 10 comprises ejection columns 101 and arc-shaped connecting pieces 102, the ejection columns 101 are not less than twelve, the ejection, the foamed insulator 6 is a crystalline polymer of polyethylene and polystyrene, the flame-retardant layer 11 is made of polyvinyl chloride material, and waterproof glue is coated inside the waterproof layer 12.

When in use, the outer steel belt armor layer 13 is arranged inside the cable outer shell 1, the outer steel belt armor layer 13 has good anti-rolling effect, most of the existing power cables are arranged in a buried manner, the power cables are prevented from being deformed due to overlarge soil pressure and vehicle running pressure, the structural integrity of the power cables is protected, meanwhile, the waterproof layer 12 arranged can play a good waterproof effect, the internal structure is prevented from being wetted and scrapped, the service life is prolonged, the flame retardant layer 11 arranged can play a good flame retardant effect, the anti-deformation mechanism 10 is arranged inside the cable outer shell 1, the top pillar 101 of the anti-deformation mechanism 10 can play a supporting role, meanwhile, the arc-shaped connecting piece 102 can connect the independent top pillars 101 together, so that the supporting effect can be greatly improved, the structural stability is increased, the buffer effect can be achieved when the cable is subjected to external force through the buffer layer 7 and the buffer spring pillar 8 arranged, thereby better protection inner structure does not receive the damage, increase life, through be provided with cross support 3 in cable core layer 2 inside, can play better cross supporting effect through cross support 3 that sets up, thereby further prevent this cable atress and warp, cable core cover 4 through setting up can carry out final protection to cable core 5, thereby improve cable core 5's life, good performance, foaming insulator 6 through setting up, its transmission delay is little, demonstrate good transmission characteristic, high density polyethylene's dielectric property is little, be favorable to reducing the transmission loss of cable.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (5)

1. A water-sealed foaming electric wire and cable is characterized by comprising a cable outer shell (1), a cable core layer (2) is arranged in the cable outer shell (1), a cross-shaped bracket (3) is fixedly arranged at the center position in the cable core layer (2), a cable core sleeve (4) is fixedly arranged between every two struts of the cross-shaped bracket (3), a cable core (5) is fixedly arranged in the cable core sleeve (4), a plurality of uniformly distributed foaming insulators (6) are arranged on the outer surface of the cable core (5) in a surrounding manner, the outer surface of the cable core layer (2) is wrapped with a buffer layer (7), a plurality of buffer spring columns (8) which are uniformly distributed are fixedly arranged in the buffer layer (7), the outer surface of one end of the buffer layer (7) far away from the cable core layer (2) is wrapped with an anti-deformation layer (9), and an anti-deformation mechanism (10) is fixedly arranged in the anti-deformation layer (9).

2. The water-sealed foam electric wire and cable according to claim 1, wherein: the outer surface of one end, away from the buffer layer (7), of the anti-deformation layer (9) is wrapped with a flame-retardant layer (11), the outer surface of one end, away from the anti-deformation layer (9), of the flame-retardant layer (11) is wrapped with a waterproof layer (12), and the outer surface of one end, away from the flame-retardant layer (11), of the waterproof layer (12) is wrapped with an outer steel-belt armor layer (13).

3. The water-sealed foam electric wire and cable according to claim 1, wherein: prevent deformation mechanism (10) including fore-set (101) and arc connecting piece (102), the fore-set (101) are no less than twelve, fore-set (101) encircle to set up in preventing deformation layer (9) inside, every adjacent equal fixedly connected with arc connecting piece (102) between fore-set (101).

4. The water-sealed foam electric wire and cable according to claim 1, wherein: the foamed insulator (6) is a crystalline polymer of polyethylene and polystyrene.

5. The water-sealed foam electric wire and cable according to claim 2, wherein: the flame-retardant layer (11) is made of polyvinyl chloride materials, and waterproof glue is coated inside the waterproof layer (12).

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