CN218100724U

CN218100724U - Novel flexible copper core mineral insulation fireproof cable

Info

Publication number: CN218100724U
Application number: CN202221830773.9U
Authority: CN
Inventors: 刘嘉鑫
Original assignee: Xinjiang Xinlilin Electrical Equipment Co ltd
Current assignee: Xinjiang Xinlilin Electrical Equipment Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-20
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses the technical field of mineral insulated cables, in particular to a novel flexible copper core mineral insulated fireproof cable, which comprises a cable core body and a limiting shell, wherein the cable core body is provided with a plurality of cable core bodies, one end of a support rod is in threaded connection with the side wall of the other end of a connecting block by installing the cable core body in the limiting shell, the other end of the support rod is fixedly connected with the side wall of a fixed block, the fixed block is fixedly connected with the outer wall of the limiting shell, and the connecting block is fixedly connected with the inner wall of an outer protective layer, so that each cable core body is independently fixed; with high temperature resistant layer fixed connection on the outer end lateral wall on outer protective layer, fixed connection waterproof layer on the outer end lateral wall on high temperature resistant layer, fixed connection wearing layer on the outer end lateral wall of waterproof layer, evenly the spraying has silicone resin on the outer end lateral wall of wearing layer, plays the effect that has better protection to mineral insulated cable.

Description

Novel flexible copper core mineral insulation fireproof cable

Technical Field

The utility model relates to a mineral insulated cable field, concretely relates to novel flexible copper core mineral insulated fireproof cable.

Background

The mineral insulated cable is a cable which uses a copper sheath to wrap a copper conductor core wire and uses magnesium oxide powder as an inorganic insulating material to isolate a conductor and the sheath, and the outermost layer can select a proper protective sleeve as required; commonly known as MICC or MI cables; there is a similar cable in which the core and the insulating material are covered with metal instead of copper sheath, which is called mineral insulated metal sheath cable.

The prior art has the following defects: the waterproof performance and the wear resistance of current mineral insulated cable are all relatively poor, and some cables are arranged outdoors, often can be drenched by the rainwater, so take place to damage easily, and the cable is at the wiring process, can with ground or other object surface friction, so wear resistance is relatively poor if, also takes place to damage easily, and the position between the cable core can not mutually independent and fixed.

Therefore, the invention is necessary to invent a novel flexible copper core mineral insulation fireproof cable.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a novel flexible copper core mineral insulation fireproof cable through place in spacing shell at the cable core body, is equipped with the support component between spacing shell and outer protective layer, is equipped with high temperature resistant layer, waterproof layer and wearing layer on the outer protective layer to solve mineral insulation cable and take place easily and damage, wear resistance relatively poor, and the position between the cable core body problem that can not mutually independent.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a novel flexible copper core mineral insulation fireproof cable, includes cable core and spacing shell, the cable core is equipped with a plurality of, every equal fixedly connected with inner protective layer on the outer end lateral wall of cable core, fixedly connected with insulating layer on the outer end lateral wall of inner protective layer, spacing shell is equipped with a plurality of, the shape of spacing shell is hollow equilateral hexagon form, a plurality of spacing shell fixed connection is constituteed honeycombedly together, every all placed cable core in the spacing shell, every it has filling layer two all to fill between the inner wall of spacing shell and the outer wall of insulating layer, the outside of spacing shell is equipped with the outer protective layer, the shape of outer protective layer is the pipe form, be equipped with filling layer one between outer protective layer and the spacing shell, be equipped with supporting component between spacing shell and the outer protective layer, the outside of outer protective layer is equipped with protective component.

Preferably, the supporting part comprises six fixing blocks, and one ends of the six fixing blocks are respectively and fixedly connected to the outer walls of six limiting shells.

Preferably, the fixed block is kept away from fixedly connected with bracing piece on the lateral wall of one end of spacing shell, the bracing piece is kept away from and is seted up the thread groove on the one end outer wall of fixed block.

Preferably, the supporting component further comprises six connecting blocks, one end of each connecting block is arc-shaped, and one end of each connecting block is uniformly and fixedly connected to the side wall of the inner end of the outer protection layer.

Preferably, a threaded hole is formed in the side wall of one end, away from the outer protective layer, of the connecting block, and the supporting rod is in threaded connection with the inner wall of the threaded hole through a threaded groove.

Preferably, the protection part includes high temperature resistant layer, high temperature resistant layer fixed connection is on the outer end lateral wall on outer protective layer, fixedly connected with waterproof layer on the outer end lateral wall on high temperature resistant layer, fixedly connected with wearing layer on the outer end lateral wall of waterproof layer.

Preferably, the wear-resistant layer is made of a rubber material, and the side wall of the outer end of the wear-resistant layer is uniformly sprayed with silicon resin.

Preferably, the inner protection layer is made of a copper material, and the insulation layer is made of a magnesium oxide powder inorganic insulation material.

The utility model has the advantages that:

1. each cable core body is independently fixed by installing the cable core bodies in the limiting shell, connecting one end of the supporting rod to the side wall of the other end of the connecting block in a threaded manner, fixedly connecting the other end of the supporting rod to the side wall of the fixing block, fixedly connecting the fixing block to the outer wall of the limiting shell, and fixedly connecting the connecting block to the inner wall of the outer protective layer;

2. with high temperature resistant layer fixed connection on the outer end lateral wall on outer protective layer, fixed connection waterproof layer on the outer end lateral wall on high temperature resistant layer, fixed connection wearing layer on the outer end lateral wall of waterproof layer, evenly the spraying has silicone resin on the outer end lateral wall of wearing layer, plays the effect that has better protection to mineral insulated cable.

Drawings

Fig. 1 is a schematic cross-sectional view of the overall structure provided by the present invention;

FIG. 2 is a schematic sectional view of a part of the structure provided by the present invention;

fig. 3 is a schematic cross-sectional view of a support member provided by the present invention;

fig. 4 is a schematic sectional view of the limiting shell provided by the present invention.

In the figure: 1. a wear resistant layer; 2. a waterproof layer; 3. a high temperature resistant layer; 4. an outer protective layer; 5. a limiting shell; 6. a fixed block; 7. a support bar; 8. connecting blocks; 9. a threaded hole; 10. a thread groove; 11. filling a first layer; 12. a cable core; 13. an inner protective layer; 14. an insulating layer; 15. a second filling layer; 100. a support member; 200. a shield member.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-4, the utility model provides a novel flexible copper core mineral insulation fireproof cable, which comprises a cable core body 12 and a limiting shell 5;

the cable core body 12 is provided with a plurality of cable core bodies 12, the outer end side wall of each cable core body 12 is fixedly connected with an inner protection layer 13, the inner protection layer 13 is made of copper materials, the outer end side wall of the inner protection layer 13 is fixedly connected with an insulating layer 14, the insulating layer 14 is made of magnesium oxide powder inorganic insulating materials, the limiting shell 5 is provided with a plurality of limiting shells 5, the limiting shells 5 are in a hollow equilateral hexagon shape, the limiting shells 5 are fixedly connected together to form a honeycomb shape, the honeycomb shape can enable the limiting shells 5 to have stronger bearing capacity, the structure is exquisite, suitable and material-saving, the cable core body 12 is placed in each limiting shell 5, a filling layer two 15 is filled between the inner wall of each limiting shell 5 and the outer wall of the insulating layer 14, the filling layer two 15 is made of foam, and the foam can play roles of heat insulation and protection on the cable core body 12, the outer side of the limiting shell 5 is provided with an outer protective layer 4, the outer protective layer 4 is made of soft plastics, the soft plastics are thermoplastic plastics, the plastics which can be processed and used again after being processed and molded by an injection molding method are called as mature plastics, the soft plastics are durable, main soft plastics comprise polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, nylon, polycarbonate, polyurethane, polytetrafluoroethylene, polyethylene terephthalate and the like, the outer protective layer 4 is in a circular tube shape, a first filling layer 11 is arranged between the outer protective layer 4 and the limiting shell 5, the first filling layer 11 is made of foam, a supporting part 100 is arranged between the limiting shell 5 and the outer protective layer 4, and a protective part 200 is arranged on the outer side of the outer protective layer 4.

Support component 100 includes fixed block 6, fixed block 6 is equipped with six, the one end difference fixed connection of six fixed blocks 6 is on the outer wall of six spacing shells 5 wherein, fixed block 6 keeps away from fixedly connected with bracing piece 7 on the one end lateral wall of spacing shell 5, threaded groove 10 has been seted up on the one end outer wall that fixed block 6 was kept away from to bracing piece 7, support component 100 still includes connecting block 8, connecting block 8 is equipped with six, the one end of connecting block 8 is circular-arcly, be convenient for and the inside fixed connection of outer protective layer 4, the even fixed connection of one end of connecting block 8 is on the inner lateral wall of outer protective layer 4, threaded hole 9 has been seted up on the lateral wall of the one end of outer protective layer 4 is kept away from to connecting block 8, bracing piece 7 passes through the inner wall threaded connection of threaded groove 10 and threaded hole 9, thereby fix bracing piece 7 on the other end lateral wall of connecting block 8, through the one end threaded connection with bracing piece 7 on the other end lateral wall of connecting block 8, the other end fixed connection of bracing piece 7 is on the lateral wall of fixed block 6, fix fixed connection on the outer wall of spacing shell 5, connect connecting block 8 fixed connection on the inner wall of outer protective layer 4, thereby independently fix every cable core 12.

The protective component 200 comprises a high temperature resistant layer 3, the high temperature resistant layer 3 is made of fireproof rock wool, the mineral insulated cable is enabled to have fireproof performance, the high temperature resistant layer 3 is fixedly connected to the outer end side wall of an outer protective layer 4, a waterproof layer 2 is fixedly connected to the outer end side wall of the high temperature resistant layer 3, the waterproof layer 2 is made of a plastic film, the mineral insulated cable is enabled to have waterproof performance, a wear-resistant layer 1 is fixedly connected to the outer end side wall of the waterproof layer 2, the wear-resistant layer 1 is made of a rubber material, the rubber has a wear-resistant and aging-resistant effect, and silicone resin is uniformly sprayed on the outer end side wall of the wear-resistant layer 1 and is a thermosetting polysiloxane polymer with a highly-crosslinked structure.

The utility model discloses a use as follows: the technical personnel in the field are through installing cable core 12 in spacing shell 5, one end threaded connection with bracing piece 7 is on the other end lateral wall of connecting block 8, other end fixed connection with bracing piece 7 is on the lateral wall of fixed block 6, with fixed block 6 fixed connection on the outer wall of spacing shell 5, with connecting block 8 fixed connection on the inner wall of outer protective layer 4, thereby fix every cable core 12 independently, with high temperature resistant layer 3 fixed connection on the outer end lateral wall of outer protective layer 4, fixed connection waterproof layer 2 on high temperature resistant layer 3's outer end lateral wall, fixed connection wearing layer 1 on waterproof layer 2's outer end lateral wall, evenly spray has the silicone resin on wearing layer 1's outer end lateral wall.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a novel flexible copper core mineral insulation fireproof cable, includes cable core (12) and spacing shell (5), its characterized in that, cable core (12) are equipped with a plurality of, every equal fixedly connected with inner protective layer (13) on the outer end lateral wall of cable core (12), fixedly connected with insulating layer (14) on the outer end lateral wall of inner protective layer (13), spacing shell (5) are equipped with a plurality of, the shape of spacing shell (5) is hollow equilateral hexagon form, a plurality of spacing shell (5) fixed connection is constituteed honeycombedly together, every cable core (12) have all been placed in spacing shell (5), every it has filling layer two (15) all to fill between the inner wall of spacing shell (5) and the outer wall of insulating layer (14), the outside of spacing shell (5) is equipped with outer protective layer (4), the shape of outer protective layer (4) is the pipe form, be equipped with filling layer one (11) between outer protective layer (4) and spacing shell (5), be equipped with between spacing shell (5) and outer protective layer (4) and support part (100), the outside protective layer (4) is equipped with protective part (200).

2. The novel flexible copper core mineral insulation fireproof cable of claim 1, wherein: the supporting component (100) comprises six fixing blocks (6), wherein the six fixing blocks (6) are arranged, and one ends of the six fixing blocks (6) are respectively and fixedly connected to the outer walls of six limiting shells (5).

3. The novel flexible copper core mineral insulation fireproof cable of claim 2, wherein: fixedly connected with bracing piece (7) on the one end lateral wall that spacing shell (5) was kept away from in fixed block (6), threaded groove (10) have been seted up on the one end outer wall that fixed block (6) were kept away from in bracing piece (7).

4. The novel flexible copper core mineral insulation fireproof cable of claim 3, wherein: the supporting component (100) further comprises six connecting blocks (8), one end of each connecting block (8) is arc-shaped, and one end of each connecting block (8) is uniformly and fixedly connected to the inner end side wall of the outer protective layer (4).

5. The novel flexible copper core mineral insulation fireproof cable of claim 4, wherein: threaded holes (9) are formed in the side wall of one end, far away from the outer protection layer (4), of the connecting block (8), and the supporting rod (7) is in threaded connection with the inner wall of each threaded hole (9) through a threaded groove (10).

6. The novel flexible copper core mineral insulation fireproof cable of claim 1, wherein: the protective component (200) comprises a high temperature resistant layer (3), the high temperature resistant layer (3) is fixedly connected to the outer end side wall of the outer protective layer (4), a waterproof layer (2) is fixedly connected to the outer end side wall of the high temperature resistant layer (3), and a wear-resistant layer (1) is fixedly connected to the outer end side wall of the waterproof layer (2).

7. The novel flexible copper core mineral insulation fireproof cable of claim 6, wherein: the wear-resistant layer (1) is made of rubber materials, and silicone resin is uniformly sprayed on the side wall of the outer end of the wear-resistant layer (1).

8. The novel flexible copper core mineral insulation fireproof cable of claim 1, wherein: the inner protection layer (13) is made of a copper material, and the insulation layer (14) is made of a magnesium oxide powder inorganic insulation material.