CN216849398U

CN216849398U - High-voltage-resistant mineral-insulated fireproof cable

Info

Publication number: CN216849398U
Application number: CN202220277225.1U
Authority: CN
Inventors: 赖建华; 林国凯; 谢卫斌
Original assignee: Fujian Li'en Technology Co ltd
Current assignee: Fujian Li'en Technology Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-06-28
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a high pressure resistant type mineral insulation fireproof cable, including the filling block set up in the outer end of core, and the inner of filling block has seted up the draw-in groove to the draw-in groove is connected with the core, the outer end of filling block is provided with the functional layer, and the outer end of functional layer is provided with the installation piece, the through-hole has been seted up to the inner of installation piece, and the inner of through-hole is provided with fixed muscle, the outer end of installation piece is provided with the copper sheath, and the outer end of copper sheath is formed with the sand grip. This high pressure resistant type mineral insulation fireproof cable, be provided with installation piece and fixed muscle, insert the fixed muscle of multiunit rubber material to the inner through-hole of installation piece, make fixed muscle carry out through connection through-hole and installation piece, increase the resistance to pressure through the fixed muscle of multiunit simultaneously, when the cable is laid at the bottom of the ground, the fixed muscle of accessible shares the core pressure-bearing, provide good supporting effect in the outer end of core, avoid the too big damage that causes of core pressurized, increase cable life.

Description

High-voltage-resistant mineral-insulated fireproof cable

Technical Field

The utility model relates to the technical field of cables, specifically be a high pressure resistant type mineral insulation fireproof cable.

Background

The cable is an essential article for life, is mainly used for an electric power system to play a role in electric power transmission, and is widely applied to household appliances, road lighting, factory machines and the like, and the existing cable has certain defects, such as the defects;

when current cable lay in the ground end as communication cable or power transmission, because the ground end is laid the cable pressure-bearing great for the cable easily receives the damage, leads to cable life shorter, and current cable fire prevention effect is relatively poor, when the cable lay in high temperature environment, absorbs the heat easily and produces the spontaneous combustion, thereby influences the use.

In order to solve the problems, innovative design based on the original cable is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure resistant type mineral insulation fireproof cable to solve the current cable that proposes in the above-mentioned background art and laying in the ground end when as communication cable or power transmission, because the cable pressure-bearing is great to laying at the ground end, make the cable easily receive the damage, lead to cable life shorter, and current cable fireproof effect is relatively poor, when the cable is laid in high temperature environment, absorb the heat easily and produce the spontaneous combustion, thereby influence the problem of using.

In order to achieve the above object, the utility model provides a following technical scheme: a high-voltage-resistant mineral-insulated fireproof cable comprises a core body and an insulating layer, wherein the insulating layer wraps the outer surface of the core body;

further comprising:

the filling block is arranged at the outer end of the core body, a clamping groove is formed in the inner end of the filling block and is connected with the core body, a functional layer is arranged at the outer end of the filling block, an installation block is arranged at the outer end of the functional layer, a through hole is formed in the inner end of the installation block, a fixing rib is arranged at the inner end of the through hole, a copper sheath is arranged at the outer end of the installation block, a convex strip is formed at the outer end of the copper sheath, a protective sleeve is arranged at the outer end of the copper sheath, an anti-skid groove is formed in the outer end of the protective sleeve, and an anti-skid strip is arranged at the inner end of the anti-skid groove;

the flame-retardant layer is arranged at the inner end of the functional layer, a groove is formed in the upper end of the flame-retardant layer, the upper end of the flame-retardant layer is provided with a sticking layer, and a waterproof layer is arranged at the upper end of the sticking layer.

Preferably, three groups of clamping grooves are uniformly distributed at the inner end of the filling block, the filling block forms a clamping structure with the core body through the clamping grooves, the outer end of the core body is sleeved with the insulating layer, and the core body is fixed through the filling block.

Preferably, the outer end of the filling block is sleeved with the functional layer, and the outer end of the functional layer is uniformly distributed with the installation blocks.

Preferably, the surface of the mounting block is equiangularly provided with a through hole, the fixing rib forms a penetrating structure with the mounting block through the through hole, the outer end of the mounting block is sleeved with a copper sheath, the outer end of the copper sheath is provided with a raised line of a spiral structure, and the core body is subjected to pressure bearing sharing through the fixing rib.

Preferably, the protective sheath has been cup jointed to the outer end of copper sheath, and the outer end of protective sheath is equidistant to be seted up anti-skidding groove to the inner evenly distributed in anti-skidding groove is provided with the antislip strip, increases cable anti-skidding performance through anti-skidding groove and antislip strip.

Preferably, the upper end on fire-retardant layer is evenly published and is seted up flutedly, and fire-retardant layer is through gluing layer and waterproof layer bonding connection to the waterproof layer passes through the groove and is formed with the arch, makes bonding area bigger through concave-convex structure, increases functional layer structural strength.

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

1. the high-voltage-resistant mineral insulation fireproof cable is provided with the installation block and the fixing ribs, the fixing ribs made of multiple groups of rubber materials are inserted into the through holes at the inner ends of the installation block, the fixing ribs are in through connection with the installation block through the through holes, meanwhile, the pressure resistance is improved through the multiple groups of fixing ribs, when the cable is laid at the bottom of the ground, the core body bearing pressure can be shared through the fixing ribs, a good supporting effect is provided at the outer end of the core body, damage caused by overlarge core body pressure is avoided, and the service life of the cable is prolonged;

2. this high pressure resistant type mineral insulation fireproof cable, be provided with fire-retardant layer, the inner of functional layer is including fire-retardant layer, and the upper surface evenly distributed on fire-retardant layer sets up flutedly, paint powerful glue in the upper end on fire-retardant layer and form and glue glutinous layer, and glue glutinous layer and the recess on fire-retardant layer surface and contact and be formed with the arch, the concave-convex structure through protruding and recess formation increases the bonding area simultaneously, make functional layer structural strength higher, be difficult for appearing breaking, improve the fire resistance of cable through fire-retardant layer.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional structure of the mounting block of the present invention;

FIG. 3 is a schematic view of the front view structure of the copper sheath of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the protective sheath of the present invention;

figure 5 is the functional layer of the utility model discloses structural schematic is being cut open.

In the figure: 1. a core body; 2. an insulating layer; 3. filling blocks; 4. a card slot; 5. a functional layer; 6. mounting blocks; 7. a through hole; 8. fixing the ribs; 9. a copper sheath; 10. a convex strip; 11. a protective sleeve; 12. an anti-slip groove; 13. anti-slip strips; 14. a flame retardant layer; 15. a groove; 16. a sticky layer; 17. a protrusion; 18. and a waterproof 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. 1-5, the present invention provides a technical solution: a high-voltage-resistant mineral-insulated fireproof cable comprises a core body 1 and an insulating layer 2, wherein the insulating layer 2 wraps the outer surface of the core body 1;

further comprising:

the packing block 3 is arranged at the outer end of the core body 1, the inner end of the packing block 3 is provided with a clamping groove 4, the clamping groove 4 is connected with the core body 1, the outer end of the packing block 3 is provided with a functional layer 5, the outer end of the functional layer 5 is provided with an installation block 6, the inner end of the installation block 6 is provided with a through hole 7, the inner end of the through hole 7 is provided with a fixing rib 8, the outer end of the installation block 6 is provided with a copper sheath 9, the outer end of the copper sheath 9 is provided with a convex strip 10, the outer end of the copper sheath 9 is provided with a protection sleeve 11, the outer end of the protection sleeve 11 is provided with an anti-skidding groove 12, and the inner end of the anti-skidding groove 12 is provided with an anti-skidding strip 13;

fire-retardant layer 14 sets up in the inner of functional layer 5, and the upper end on fire-retardant layer 14 is seted up recess 15, and the upper end on fire-retardant layer 14 is provided with glues glutinous layer 16, and the upper end of just gluing glutinous layer 16 is provided with waterproof layer 18.

Three group's draw-in grooves 4 have been seted up to the inner evenly distributed of filling block 3, and filling block 3 constitutes the block structure through draw-in groove 4 and core 1, and insulating layer 2 has been cup jointed to the outer end of core 1, functional layer 5 has been cup jointed to the outer end of filling block 3, and functional layer 5's outer end evenly distributed installs installation piece 6, through-hole 7 has been seted up to angles such as the surface of installation piece 6, fixed muscle 8 passes through-hole 7 and constitutes the structure that runs through with installation piece 6, copper sheathing 9 has been cup jointed to the outer end of installation piece 6, and copper sheathing 9's outer end is formed with helical structure's sand grip 10.

The core body 1 is clamped and connected with the filling block 3 through the clamping groove 4, so that the position of the core body 1 is installed and fixed, the outer end of the filling block 3 is wrapped with the functional layer 5, the outer end of the functional layer 5 is provided with the installation blocks 6 at equal intervals, a plurality of groups of fixing ribs 8 made of rubber materials are inserted into through holes 7 at the inner ends of the installation blocks 6, the fixing ribs 8 are connected with the installation blocks 6 in a penetrating way through the through holes 7, meanwhile, the pressure resistance is increased through the plurality of groups of fixing ribs 8, when a cable is laid at the ground bottom, the core body 1 can bear pressure through the fixing ribs 8, good supporting effect is provided at the outer end of the core body 1, the core body 1 is prevented from being damaged due to overlarge pressure, the copper sheath 9 is arranged at the outer end of the installation block 6, meanwhile, the surface of the copper sheath 9 is processed into a corrugated shape to form convex strips 10, the bending performance is increased, the outer end of the copper sheath 9 is wrapped with the protective sleeve 11, the surface of the protective sleeve 11 is provided with a plurality of groups of anti-slip grooves 12, the inner ends of the anti-slip grooves 12 are provided with anti-slip strips 13, and the anti-slip performance of the cable surface can be improved through the anti-slip grooves 12 and the anti-slip strips 13 uniformly distributed at the inner ends of the anti-slip grooves 12.

Protective sheath 11 has been cup jointed to the outer end of copper sheath 9, and protective sheath 11's outer end equidistant has seted up anti-skidding groove 12 to the inner evenly distributed in anti-skidding groove 12 is provided with antislip strip 13, and fire-retardant layer 14's upper end evenly distributed is seted up flutedly 15, and fire-retardant layer 14 is through gluing layer 16 and waterproof layer 18 adhesive connection, and waterproof layer 18 is formed with arch 17 through recess 15.

The working principle is as follows: when the high-voltage-resistant mineral insulation fireproof cable is used, according to the figures 1-5, the device is firstly placed at a position needing to work, when the cable is processed, the insulating layer 2 can be wrapped on the outer surface of the core body 1, then the prefabricated filling block 3 is taken out, the opening of the clamping groove 4 of the filling block 3 is shifted, the core body 1 wrapped by the insulating layer 2 is placed in, the core body 1 is clamped and connected with the filling block 3 through the clamping groove 4, the position of the core body 1 is installed and fixed, the outer end of the filling block 3 is wrapped with the functional layer 5, the outer end of the functional layer 5 is provided with the installation blocks 6 at equal intervals, a plurality of groups of fixing ribs 8 made of rubber materials are inserted into the through holes 7 at the inner ends of the installation blocks 6, the fixing ribs 8 are connected with the installation blocks 6 in a penetrating manner through the through holes 7, meanwhile, the pressure resistance is increased through the plurality of groups of fixing ribs 8, when the cable is laid at the bottom of the ground, the bearing of the core body 1 can be shared through the fixing ribs 8, a good supporting effect is provided at the outer end of the core body 1, the damage caused by the overlarge pressure of the core body 1 is avoided, the outer end of the installation block 6 is provided with the copper sheath 9, meanwhile, the surface of the copper sheath 9 is processed into a corrugated shape to form the convex strip 10, the bending performance is improved, the outer end of the copper sheath 9 is wrapped with the protection sleeve 11, the surface of the protection sleeve 11 is provided with a plurality of groups of anti-skidding grooves 12, the inner ends of the anti-skidding grooves 12 are provided with the anti-skidding strips 13, and the anti-skidding performance of the surface of the cable can be improved through the anti-skidding grooves 12 and the anti-skidding strips 13 uniformly distributed at the inner ends of the anti-skidding grooves 12;

functional layer 5's inner is including fire-retardant layer 14, and fire-retardant layer 14's upper surface evenly distributed has seted up recess 15, paint powerful glue in fire-retardant layer 14's upper end and form and glue glutinous layer 16, and glue glutinous layer 16 and fire-retardant layer 14 surperficial recess 15 and contact and be formed with protruding 17, the concave-convex structure through protruding 17 and recess 15 formation increases the bonding area simultaneously, make structural strength higher, and suppress waterproof layer 18 in the upper end of gluing glutinous layer 16, improve the fire-retardant nature and the waterproof nature of cable through fire-retardant layer 14 and waterproof layer 18, holistic practicality has been increased.

Those not described in detail in this specification are within the skill of the art.

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

1. A high-voltage-resistant mineral-insulated fireproof cable comprises a core body (1) and an insulating layer (2), wherein the insulating layer (2) is wrapped on the outer surface of the core body (1);

it is characterized by also comprising:

the packing block (3) is arranged at the outer end of the core body (1), the inner end of the packing block (3) is provided with a clamping groove (4), the clamping groove (4) is connected with the core body (1), the outer end of the packing block (3) is provided with a functional layer (5), the outer end of the functional layer (5) is provided with an installation block (6), the inner end of the installation block (6) is provided with a through hole (7), the inner end of the through hole (7) is provided with a fixing rib (8), the outer end of the installation block (6) is provided with a copper sheath (9), the outer end of the copper sheath (9) is provided with a convex strip (10), the outer end of the copper sheath (9) is provided with a protective sleeve (11), the outer end of the protective sleeve (11) is provided with an anti-skid groove (12), and the inner end of the anti-skid groove (12) is provided with an anti-skid strip (13);

the flame-retardant layer (14) is arranged at the inner end of the functional layer (5), a groove (15) is formed in the upper end of the flame-retardant layer (14), a sticky layer (16) is arranged at the upper end of the flame-retardant layer (14), and a waterproof layer (18) is arranged at the upper end of the sticky layer (16).

2. The high-voltage-resistant mineral-insulated fireproof cable according to claim 1, wherein three groups of clamping grooves (4) are uniformly distributed at the inner end of the filling block (3), the filling block (3) and the core body (1) form a clamping structure through the clamping grooves (4), and the insulating layer (2) is sleeved at the outer end of the core body (1).

3. The high-voltage-resistant mineral-insulated fireproof cable according to claim 1, wherein the outer end of the filling block (3) is sleeved with the functional layer (5), and the outer end of the functional layer (5) is uniformly distributed with the mounting blocks (6).

4. The high-voltage-resistant mineral-insulated fireproof cable according to claim 1, wherein the surface of the mounting block (6) is provided with through holes (7) at equal angles, the fixing rib (8) and the mounting block (6) form a penetrating structure through the through holes (7), the outer end of the mounting block (6) is sleeved with a copper sheath (9), and the outer end of the copper sheath (9) is provided with a protruding strip (10) with a spiral structure.

5. The high-voltage-resistant mineral-insulated fireproof cable according to claim 1, wherein the outer end of the copper sheath (9) is sleeved with a protective sleeve (11), the outer end of the protective sleeve (11) is provided with anti-slip grooves (12) at equal intervals, and the inner ends of the anti-slip grooves (12) are uniformly distributed with anti-slip strips (13).

6. The mineral-insulated fireproof cable of claim 1, wherein the flame-retardant layer (14) is uniformly provided with grooves (15) at the upper end, the flame-retardant layer (14) is adhesively connected with the waterproof layer (18) through an adhesive layer (16), and the waterproof layer (18) is formed with protrusions (17) through the grooves (15).