CN214847882U

CN214847882U - Water-blocking moisture-proof power cable

Info

Publication number: CN214847882U
Application number: CN202121408146.1U
Authority: CN
Inventors: 郭小斌; 郭艺贞; 高兰英
Original assignee: Longhai Xuhong Technology Co ltd
Current assignee: Longhai Xuhong Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-11-23
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a dampproofing power cable blocks water relates to cable technical field, including waterproof overcoat, the insulating layer has been cup jointed to waterproof overcoat inner wall, the inside of insulating layer is equipped with the protective sheath, the water swelling sealing-up strip has been cup jointed to the inside that the outer wall of protective sheath is located the insulating layer, the inside of protective sheath is provided with runs through the multiunit connecting strip that water swelling sealing-up strip just is connected with the insulating layer, the inner wall cover of protective sheath is equipped with heat absorption jacket layer, the inner wall cover of heat absorption jacket layer is equipped with inhales the elasticity inlayer, inhale the inner wall fixedly connected with cross elasticity frame of elasticity inlayer. The utility model discloses a setting up and mutually supporting with water inflation sealing rod, waterproof overcoat and connecting strip, water inflation sealing rod rainwater volume grow to the crack that sealed waterproof overcoat appears, the connecting strip is spacing to its water inflation sealing rod simultaneously, avoids causing the phenomenon of crack grow, plays better protection effect to the cable then.

Description

Water-blocking moisture-proof power cable

Technical Field

The utility model relates to the technical field of cables, specifically be a dampproofing power cable blocks water.

Background

Cables are generally rope-like cables made up of several or groups of at least two twisted conductors, each group insulated from each other and often twisted around a center, the entire outer surface of which is covered with a highly insulating covering.

Current cable is relatively poor because of its structural design is unreasonable to lead to tearing nature, the oxygen resistance and the stability and the protection against insects nature of cable, and the cable is overhead, and wind-force orders about the cable and continuously swings and bend even, and causes the temporal wire to cause the phenomenon of metal fatigue then rupture to and make the protection cortex of cable outer wall the crack appears, make the rainwater invade the inside of cable, then cause the phenomenon that the short circuit of circuit opened circuit.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a dampproofing power cable blocks water to waterproof effect is not good among the solution prior art, easily causes the technical problem of the inside multiunit wire rupture of cable.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dampproofing power cable blocks water, includes waterproof overcoat, the insulating layer has been cup jointed to waterproof overcoat inner wall, the inside of insulating layer is equipped with the protective sheath, the water swelling sealing rod has been cup jointed to the outer wall of protective sheath is located the inside of insulating layer, the inside of protective sheath is provided with runs through the multiunit connecting strip of water swelling sealing rod and being connected with the insulating layer, the inner wall cover of protective sheath is equipped with heat absorption jacket layer, the inner wall cover of heat absorption jacket layer is equipped with inhales the elasticity inlayer, inhale the inner wall fixedly connected with cross elasticity frame of elasticity inlayer, the inner wall of cross elasticity frame is provided with the multiunit wire.

Through adopting above-mentioned technical scheme, play the radiating effect of extrusion prevention to the inside wire of cable, simultaneously, increase the waterproof nature of cable, order about the normal work of cable.

The utility model discloses further set up to, the outer wall of wire has cup jointed the insulating layer.

Through adopting above-mentioned technical scheme, prevent that the fracture of inside wire from causing the phenomenon of waterproof overcoat electric leakage.

The utility model discloses further set up to, the inner wall of inhaling the elasticity inlayer is provided with the elasticity hemisphere of multiunit and wire outer wall contact.

Through adopting above-mentioned technical scheme, play the effect of buffer protection to the wire, avoid causing the extruded phenomenon to the wire.

The utility model discloses further set up to, the multiunit fluting has been seted up to the outer wall of waterproof overcoat, and is connected with the extrusion ring between the multiunit fluting.

Through adopting above-mentioned technical scheme, can play certain effect of preventing splitting to waterproof overcoat to better play waterproof effect.

The utility model discloses further set up to, the outer wall of waterproof overcoat is paintd corrosion-resistant paint.

Through adopting above-mentioned technical scheme, increase the durability of waterproof overcoat for waterproof overcoat is better plays the protection effect to the cable.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a through setting up water swelling sealing rod, waterproof overcoat and connecting strip and mutually supporting, water swelling sealing rod rainwater volume grow to the crack that sealed waterproof overcoat appears, the connecting strip is spacing to its water swelling sealing rod simultaneously, avoids causing the phenomenon of crack grow, then plays better protection effect to the cable;

2. the utility model discloses a set up elasticity inlayer, heat absorption jacket layer and mutually support, play the extrusion protection effect of preventing to the multiunit wire, be convenient for dispel the heat to the outer wall of wire simultaneously to avoid causing the phenomenon that the wire short circuit broken circuit.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a sectional view of the present invention;

fig. 3 is a partially enlarged view of a in fig. 2 according to the present invention.

In the figure: 1. a waterproof jacket; 2. an insulating layer; 3. a water-swelling sealing strip when meeting water; 4. a protective sleeve; 5. a heat-absorbing jacket layer; 6. an elastic inner layer; 7. a wire; 8. a cross-shaped elastic frame; 9. and (4) connecting strips.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

A waterproof and moistureproof power cable is shown in figures 1-3 and comprises a waterproof jacket 1, an insulating layer 2 is sleeved on the inner wall of the waterproof jacket 1, a protective sleeve 4 is arranged inside the insulating layer 2, a water-swelling water stop strip 3 is sleeved on the outer wall of the protective sleeve 4, which is positioned inside the insulating layer 2, a plurality of groups of connecting strips 9 which penetrate through the water-swelling water stop strip 3 and are connected with the insulating layer 2 are arranged inside the protective sleeve 4, when rainwater infiltrates the water-swelling water stop strip 3, the swelling volume of the water-swelling water stop strip 3 is increased, so that cracks appearing on the insulating layer 2 are sealed, the connecting strips 9 prevent the expansion force of the water-swelling water stop strip 3 from extruding the cracks to be increased, and then a better waterproof effect is achieved on the cable, a heat absorption jacket layer 5 is sleeved on the inner wall of the protective sleeve 4, an elastic absorption inner layer 6 is sleeved on the inner wall of the heat absorption jacket 5, and a cross elastic frame 8 is fixedly connected with the inner wall of the elastic absorption inner layer 6, the inner wall of cross elastic frame 8 is provided with multiunit wire 7, and the cable is bent and is driven wire 7 and elasticity inlayer 6 and the laminating of cross elastic frame 8, avoids the extrusion between the multiunit wire 7 for wire 7 extrudes elasticity inlayer 6 deformation, thereby cushions it and unloads the power, thereby avoids the inside metal strip of wire 7 to bend and causes metal fatigue.

Referring to fig. 1 and 2, the outer wall of the wire 7 is sleeved with an insulating layer to prevent the current from being conducted to the outer side of the waterproof jacket 1.

Referring to fig. 2 and 3, the inner wall of the elastic absorbing inner layer 6 is provided with a plurality of groups of elastic hemispheres contacting with the outer wall of the wire 7, so as to buffer and protect the wire 7 and avoid metal fatigue on the wire 7.

Referring to fig. 1, the outer wall of the waterproof jacket 1 is provided with a plurality of sets of slots, and the extrusion rings are connected between the plurality of sets of slots, so that the tension of the outer wall of the waterproof jacket 1 is reduced, and the waterproof jacket 1 is prevented from being bent to cause a fracture.

Referring to fig. 1, the outer wall of the waterproof jacket 1 is coated with corrosion-resistant paint, so that the service life of the waterproof jacket 1 is prolonged, and the corrosion resistance of the cable is enhanced.

The utility model discloses a theory of operation does: the cable is erected at a high altitude to convey a circuit, when external wind blows the cable to slide, the cable is bent to drive the leads 7 to be attached to the elastic inner layer 6 and the cross elastic frame 8, extrusion among a plurality of groups of leads 7 is avoided, the leads 7 extrude the elastic inner layer 6 to deform, and buffer and unload force is carried out on the leads, so that metal fatigue caused by bending of metal strips inside the leads 7 is avoided, meanwhile, the heat absorption sleeve layer 5 absorbs heat of the outer wall of the leads 7 into the inner wall of the body, so that the phenomenon of short circuit caused by overlarge heat of the leads 7 is prevented, then the leads 7 are protected, the cable is erected outdoors, when the outer waterproof jacket 1 is corroded to generate cracks in a long time, external rainwater enters the inside of the waterproof jacket 1 and then invades the insulating layer 2, when the rainwater invades the water-swelling water-stopping strip 3, the swelling volume of the water-swelling water stopping strip 3 is increased, so that cracks appear on the insulating layer 2 are sealed, meanwhile, the connecting strip 9 prevents the phenomenon that the expansion force of the water-swelling water stop strip 3 extrudes the crack to be enlarged when meeting water, and then a better waterproof effect is achieved on the cable.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a dampproofing power cable blocks water, includes waterproof overcoat (1), its characterized in that: insulating layer (2) have been cup jointed to waterproof overcoat (1) inner wall, the inside of insulating layer (2) is equipped with protective sheath (4), water inflation sealing rod (3) have been cup jointed to the inside that the outer wall of protective sheath (4) is located insulating layer (2), the inside of protective sheath (4) is provided with and runs through water inflation sealing rod (3) and multiunit connecting strip (9) of being connected with insulating layer (2), the inner wall cover of protective sheath (4) is equipped with heat absorption jacket layer (5), the inner wall cover of heat absorption jacket layer (5) is equipped with inhales elasticity inlayer (6), inhale the inner wall fixedly connected with cross elasticity frame (8) of elasticity inlayer (6), the inner wall of cross elasticity frame (8) is provided with multiunit wire (7).

2. A water-blocking moisture-proof power cable as claimed in claim 1, wherein: and the outer wall of the lead (7) is sleeved with an insulating layer.

3. A water-blocking moisture-proof power cable as claimed in claim 1, wherein: and a plurality of groups of elastic hemispheres which are contacted with the outer wall of the lead (7) are arranged on the inner wall of the elastic absorption inner layer (6).

4. A water-blocking moisture-proof power cable as claimed in claim 1, wherein: the outer wall of the waterproof jacket (1) is provided with a plurality of groups of slots, and extrusion rings are connected among the slots.

5. A water-blocking moisture-proof power cable as claimed in claim 1, wherein: and the outer wall of the waterproof jacket (1) is coated with corrosion-resistant paint.