CN211208029U

CN211208029U - Polyvinyl chloride insulation power cable

Info

Publication number: CN211208029U
Application number: CN201922355258.4U
Authority: CN
Inventors: 缪颖
Original assignee: Nantong Pengcheng Cable Co ltd
Current assignee: Nantong Pengcheng Cable Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-07
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a polyvinyl chloride insulation power cable, including first plastics oversheath, outer conductor and inner conductor, first preformed hole has been seted up to the bottom both sides of first plastics oversheath, the bottom of first plastics oversheath is inconsistent with the top of second plastics oversheath, the surperficial both sides of second plastics oversheath all are fixed with the connecting rod, and the connecting rod one side of keeping away from the second plastics oversheath is fixed with the fixture block, the second preformed hole has all been seted up to the bottom both sides of first plastics oversheath, the inner wall of first plastics oversheath and second plastics oversheath evenly is fixed with insulating support bar. The utility model discloses be provided with first plastics oversheath and second plastics oversheath, make the cable need not wholly change in the use, practiced thrift the cost, insulating support rod and insulating barrier have increased the life of cable simultaneously to the insulating effect of cable has been strengthened.

Description

Polyvinyl chloride insulation power cable

Technical Field

The utility model relates to the technical field of cables, specifically a polyvinyl chloride insulated power cable.

Background

With the continuous development of the industrial society, the amount and the range of the cables used in society are larger, the cables on the market are various, and they are applied to various industries.

The power cable on the market at present is the one deck plastic layer of cladding outside the PVC guard circle usually, however, because the structural strength of plastics is relatively poor, easy damaged and ageing, need whole change otherwise easily lead to safety and use problem behind the plastics damage, the insulating poor and short problem of life of most cable insulation effect simultaneously, therefore a polyvinyl chloride insulation power cable is needed to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulated power cable of polyvinyl chloride to the damaged back of cable surface plastics that proposes in solving above-mentioned background art needs the problem of whole change and life weak point.

In order to achieve the above object, the utility model provides a following technical scheme: a polyvinyl chloride insulated power cable comprises a first plastic outer sheath, an outer conductor and an inner conductor, the two sides of the bottom end of the first plastic outer sheath are provided with first preformed holes, the bottom end of the first plastic outer sheath is abutted against the top end of the second plastic outer sheath, the two sides of the surface of the second plastic outer sheath are both fixed with connecting rods, and a clamping block is fixed on one side of the connecting rod away from the second plastic outer sheath, second preformed holes are arranged on both sides of the bottom end of the first plastic outer sheath, the inner walls of the first plastic outer sheath and the second plastic outer sheath are uniformly fixed with insulating support rods, and the outer side of the insulating support rod is connected with an inorganic mineral insulating filling layer, the inner side of the insulating support rod is fixedly connected with a PVC protective ring, and the inner wall of PVC guard ring is evenly fixed with insulating partition, the outer conductor is installed to insulating partition's the outside, and the inner conductor is inserted to the inside of outer conductor.

Preferably, the first plastic outer sheath and the second plastic outer sheath are both in a semi-annular structure, and the second plastic outer sheath and the first plastic outer sheath are symmetrically distributed on the surface of the PVC protective ring.

Preferably, the number of the insulation support rods is two, and the number of the insulation support rods is three.

Preferably, the insulating partition plates are arranged in six groups, and the insulating partition plates are uniformly distributed in the PVC protective ring at equal angles.

Preferably, the fixture block is of a hexagonal structure, the transverse cutting area of the fixture block is larger than that of the second preformed hole, and the outer wall of the fixture block is abutted to the inner wall of the first preformed hole.

Compared with the prior art, the beneficial effects of the utility model are that: this polyvinyl chloride insulated power cable is provided with first plastics oversheath and second plastics oversheath, makes the cable need not wholly change in the use, has practiced thrift the cost, and insulating support rod and insulating barrier have increased the life of cable simultaneously to the insulating effect of cable has been strengthened.

(1) The device is provided with a first plastic outer sheath and a second plastic outer sheath, after the surfaces of the first plastic outer sheath and the second plastic outer sheath are damaged or aged, the first plastic outer sheath and the second plastic outer sheath are separated through a clamping block and a second preformed hole, the first plastic outer sheath and the second plastic outer sheath are replaced, the cable does not need to be integrally replaced in use, and the cost is saved.

(2) The device has increased the intensity of cable through insulating support rod and insulating barrier, has increased the life of cable to inorganic mineral insulation filling layer and insulating barrier have strengthened the insulating effect of cable.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

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

In the figure: 1. a first plastic outer sheath; 2. a second plastic outer sheath; 3. an insulating support rod; 4. an inorganic mineral insulating filler layer; 5. a PVC protective ring; 6. an insulating spacer; 7. an outer conductor; 8. an inner conductor; 9. a clamping block; 10. a first preformed hole; 11. a second preformed hole; 12. a connecting rod.

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 an embodiment:

a polyvinyl chloride insulated power cable comprises a first plastic outer sheath 1, an outer conductor 7 and an inner conductor 8, wherein first preformed holes 10 are formed in two sides of the bottom end of the first plastic outer sheath 1, the bottom end of the first plastic outer sheath 1 is abutted to the top end of a second plastic outer sheath 2, the first plastic outer sheath 1 and the second plastic outer sheath 2 are both semi-annular structures, the second plastic outer sheath 2 and the first plastic outer sheath 1 are symmetrically distributed on the surface of a PVC protection ring 5, the first plastic outer sheath 1 and the second plastic outer sheath 2 are convenient to detach and replace, the cost is saved, connecting rods 12 are fixed on two sides of the surface of the second plastic outer sheath 2, clamping blocks 9 are fixed on one side, away from the second plastic outer sheath 2, of each connecting rod 12, each clamping block 9 is of a hexagonal structure, the transverse cutting area of each clamping block 9 is larger than that of each second preformed hole 11, each clamping block 9 can be clamped on the surface of each second preformed hole 11, thereby fix the position of first plastics oversheath 1 and second plastics oversheath 2, the outer wall of fixture block 9 is inconsistent with the inner wall of first preformed hole 10, effectively avoids the inside entering dust or liquid of first plastics oversheath 1 and second plastics oversheath 2, and second preformed hole 11 has all been seted up to the bottom both sides of first plastics oversheath 1.

The inner wall of first plastics oversheath 1 and second plastics oversheath 2 evenly is fixed with insulating support rod 3, and insulating support rod 3's the outside is connected with inorganic mineral insulation filling layer 4, insulating support rod 3 is provided with two sets ofly, and every group is provided with threely, insulating support rod 3 has increased the intensity of cable, effectively avoid vibrations to make PVC guard ring 5 and internals produce the condition of wearing and tearing, insulating support rod 3's inboard fixedly connected with PVC guard ring 5, and the inner wall of PVC guard ring 5 evenly is fixed with insulating barrier 6, insulating barrier 6 is provided with six groups, and the equal angular uniform distribution of insulating barrier 6 is in the inside of PVC guard ring 5, insulating support rod 3 has increased the intensity and the insulating nature of cable, the life of cable has been improved, outer conductor 7 is installed in insulating barrier 6's the outside, and the inside of outer conductor 7 is inserted and is equipped with inner conductor 8.

The working principle is as follows: after the first plastic outer sheath 1 or the second plastic outer sheath 2 on the surface of the utility model is damaged and aged, a tool is inserted into a gap between the first plastic outer sheath 1 and the second plastic outer sheath 2, the edge of the first plastic outer sheath 1 is pried out to the outer side of the second plastic outer sheath 2, according to the attached drawing 2, the edge of the first plastic outer sheath 1 is pulled out from the surface of the clamping block 9 by force through the first reserved hole 10 and the second reserved hole 11, the first plastic outer sheath 1 is separated from the second plastic outer sheath 2, the first plastic outer sheath 1 is replaced with the second plastic outer sheath 2, and the new first plastic outer sheath 1 and the second plastic outer sheath 2 are installed on the surface of the PVC protective ring 5, the utility model can be used continuously, when the utility model is collided, the strength of the PVC protective ring 5 and the insulating clapboard 6 is enhanced through the support of the insulating support rod 3, the service life is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A polyvinyl chloride insulated power cable, comprising a first plastic outer sheath (1), an outer conductor (7) and an inner conductor (8), characterized in that: the insulation support rod is characterized in that first preformed holes (10) are formed in two sides of the bottom end of the first plastic outer sheath (1), the bottom end of the first plastic outer sheath (1) is abutted against the top end of the second plastic outer sheath (2), connecting rods (12) are fixed on two sides of the surface of the second plastic outer sheath (2), clamping blocks (9) are fixed on one side, away from the second plastic outer sheath (2), of each connecting rod (12), second preformed holes (11) are formed in two sides of the bottom end of the first plastic outer sheath (1), insulation support rods (3) are uniformly fixed on the inner walls of the first plastic outer sheath (1) and the second plastic outer sheath (2), an inorganic mineral insulation filling layer (4) is connected to the outer side of each insulation support rod (3), a PVC protection ring (5) is fixedly connected to the inner side of each insulation support rod (3), and insulation partition plates (6) are uniformly fixed to the inner wall of the PVC protection ring (5), an outer conductor (7) is installed on the outer side of the insulating partition plate (6), and an inner conductor (8) is inserted into the outer conductor (7).

2. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: the first plastic outer sheath (1) and the second plastic outer sheath (2) are both in a semi-annular structure, and the second plastic outer sheath (2) and the first plastic outer sheath (1) are symmetrically distributed on the surface of the PVC protection ring (5).

3. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: the insulation support rods (3) are arranged in two groups, and each group is provided with three.

4. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: six groups of insulating partition plates (6) are arranged, and the insulating partition plates (6) are uniformly distributed in the PVC protection ring (5) at equal angles.

5. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: the fixture block (9) is of a hexagonal structure, the transverse cutting area of the fixture block (9) is larger than that of the second preformed hole (11), and the outer wall of the fixture block (9) is abutted to the inner wall of the first preformed hole (10).