CN211294658U

CN211294658U - Multi-core stranded conductor fireproof cable

Info

Publication number: CN211294658U
Application number: CN202020220611.8U
Authority: CN
Inventors: 余绍能; 葛林优; 郑能军; 程真; 王跃
Original assignee: Sichuan Jinli Cable Group Co ltd
Current assignee: Sichuan Jinli Cable Group Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-08-18
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a multi-core stranded conductor fireproof cable, which relates to the technical field of fireproof cables and comprises an outer insulating sleeve, wherein an inner insulating sleeve is arranged inside the outer insulating sleeve, a through hole is arranged on the outer wall of the inner insulating sleeve, a plastic ring is arranged on the outer wall of the inner insulating sleeve, a flame-retardant sleeve is arranged inside the inner insulating sleeve, flame-retardant filler is filled inside the inner insulating sleeve, a cross bar is arranged on the outer wall of the outer insulating sleeve, a rubber lug is arranged on the outer wall of the cross bar, an insulating sleeve is arranged inside the flame-retardant sleeve, a copper core is arranged inside the insulating sleeve, the cross section of the cross bar is in an I-shaped structure, and an anti-slip bulge is arranged on the outer wall of the cross bar, the utility model solves the problems that the copper core is wrapped by a hose, and the inner copper core is extruded and scattered after the hose is pressed, through horizontal bar and rubber lug, solved the fragile problem of oversheath.

Description

Multi-core stranded conductor fireproof cable

Technical Field

The utility model belongs to the technical field of the fireproof cable, concretely relates to multicore transposition conductor fireproof cable.

Background

The fireproof cable is under the high temperature condition, the cable that can not burn, flame retardant cable and fire-retardant low smoke and zero halogen cable two major types, the fireproof cable diameter is big, the cable is thick, be often used for large-scale distribution place, cable distribution intensive place, fireproof cable internally mounted has many copper cores, the outside parcel of copper core has fire-retardant material, can separate each copper core, avoid the temperature to concentrate, better insulating nature has simultaneously, current fireproof cable, separate with fire-retardant skin and filler between the inside many copper cores, the reuse is wrapped up by a hose, the hose warp after the hose is pressed, inside copper core extrusion is dispersed simultaneously, and the oversheath is behind surface friction, the oversheath is damaged, inside is easily corroded, based on the problem that appears above, a multicore transposition conductor fireproof cable is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multicore transposition conductor fireproof cable to the hose parcel copper core that proposes in solving above-mentioned background art, inside copper core is dispersed by the extrusion behind the hose pressurized, and the easy damaged problem of oversheath.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multicore transposition conductor fireproof cable, includes the outer insulation sleeve, the internally mounted of outer insulation sleeve has interior insulation sleeve, and the through-hole has been seted up to interior insulation sleeve's outer wall, the plastics ring is installed to interior insulation sleeve's outer wall, and interior insulation sleeve's internally mounted has fire-retardant sleeve pipe, interior insulation sleeve's inside packing has fire-retardant stopping.

Preferably, the outer wall of the outer insulation sleeve is provided with a cross bar, and the outer wall of the cross bar is provided with a rubber bump.

Preferably, an insulating sleeve is installed inside the flame-retardant sleeve, and a copper core is installed inside the insulating sleeve.

Preferably, the cross section of the cross bar is of an I-shaped structure, and the outer wall of the cross bar is provided with an anti-skid bulge.

Preferably, at least ten through holes are formed in the inner insulating sleeve, and the through holes are distributed on the inner insulating sleeve in an annular array.

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

(1) the utility model discloses an internal insulation sleeve, many copper cores are fixed including the insulating sleeve intraductal, and internal insulation sleeve outer wall is fixed with the plastics ring, can reduce the pressure that internal insulation sleeve received, protects inside copper core and fire-retardant stopping, has solved and has wrapped up the copper core with a hose, the inside copper core of hose pressurized back is by the problem of extrusion scattering.

(2) The utility model discloses a horizontal bar and rubber lug, horizontal bar and external insulation sleeve make as an organic whole and form, through installing rubber lug on the horizontal bar, are favorable to protecting the external insulation sleeve, avoid the external insulation sleeve outer wall to be destroyed, have solved the easy damaged problem of oversheath.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the inner insulating sleeve of the present invention;

fig. 3 is a side view of the outer insulating sleeve of the present invention;

FIG. 4 is a schematic structural view of the flame retardant sleeve and the copper core of the present invention;

in the figure: 1-inner insulating sleeve; 2-external insulation sleeve; 3-horizontal bar; 4-rubber bumps; 5-copper core; 6-flame-retardant sleeve; 7-flame retardant filler; 8-a through hole; 9-insulating sleeve.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a multicore transposition conductor fireproof cable, including outer insulation sleeve 2, the internally mounted of outer insulation sleeve 2 has interior insulation sleeve 1, and through-hole 8 has been seted up to interior insulation sleeve 1's outer wall, plastic ring 101 is installed to interior insulation sleeve 1's outer wall, and the internally mounted of interior insulation sleeve 1 has fire-retardant sleeve 6, the intussuseption of interior insulation sleeve 1 is filled with fire-retardant stopping 7, fire-retardant stopping 7 goes out from through-hole 8 and fills into in interior insulation sleeve 1, 6 outer walls of the inside fire-retardant sleeve of interior insulation sleeve 1 and fire-retardant stopping 7 fully contact, the fire-retardant sleeve 6 of the fine protection of fire-retardant stopping 7, improve fire-retardant sleeve 6's stability.

Further, horizontal bar 3 is installed to the outer wall of outer insulation sleeve 2, outer insulation sleeve 2 adopts rubber materials, outer insulation sleeve 2 forms with 3 integrative preparations of horizontal bar, 4 textures of rubber lug are harder, when rubbing with the plane, the wearability is strong, long-time back of using, the surface of outer insulation sleeve 2 can not be damaged, can not split, and rubber lug 4 is installed to the outer wall of horizontal bar 3, set up in the rubber lug 4 with 3 assorted I-shaped recesses of horizontal bar, insert the recess with horizontal bar 3 in, be favorable to rubber lug 4's stable connection, the production of being convenient for simultaneously.

Further, an insulating sleeve 9 is installed inside the flame-retardant sleeve 6, and a copper core 5 is installed inside the insulating sleeve 9.

Further, the cross section of the cross bar 3 is of an I-shaped structure, and the outer wall of the cross bar 3 is provided with an anti-skid bulge.

Furthermore, at least ten through holes 8 are formed, and the through holes 8 are distributed on the inner insulating sleeve 1 in an annular array.

The utility model discloses a theory of operation and use flow: during installation, the insulating sleeve 9 is sleeved into the copper core 5, then the insulating sleeve 9 is sleeved into the flame-retardant sleeve 6, the plurality of copper cores 5 provided with the flame-retardant sleeve 6 are wrapped by the inner insulating sleeve 1, then the flame-retardant filler 7 is filled into the inner insulating sleeve 1 from the through hole 8, finally the inner insulating sleeve 1 is wrapped by the outer insulating sleeve 2, the rubber bump 4 is inserted into the outer portion of the transverse bar 3, after the outer insulating sleeve 2 is extruded by a foreign object, the inner insulating sleeve 1 is pressed, meanwhile, the plastic ring 101 supports the foreign object, the pressure cannot be applied to the flame-retardant sleeve 6, and the inner flame-retardant sleeve 6 and the copper core 5 cannot deform.

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 multi-core stranded conductor fireproof cable is characterized in that: including outer insulation sleeve (2), the internally mounted of outer insulation sleeve (2) has interior insulation sleeve (1), and the outer wall of interior insulation sleeve (1) has seted up through-hole (8), plastics ring (101) are installed to the outer wall of interior insulation sleeve (1), and the internally mounted of interior insulation sleeve (1) has fire-retardant sleeve (6), the inside packing of interior insulation sleeve (1) has fire-retardant stopping (7).

2. The multi-core stranded conductor fire resistant cable of claim 1, wherein: the outer wall of outer insulation sleeve pipe (2) is installed horizontal bar (3), and rubber bump (4) are installed to the outer wall of horizontal bar (3).

3. The multi-core stranded conductor fire resistant cable of claim 1, wherein: and an insulating sleeve (9) is arranged inside the flame-retardant sleeve (6), and a copper core (5) is arranged inside the insulating sleeve (9).

4. The multi-core stranded conductor fire resistant cable of claim 2, wherein: the cross section of the transverse strip (3) is of an I-shaped structure, and the outer wall of the transverse strip (3) is provided with anti-skid protrusions.

5. The multi-core stranded conductor fire resistant cable of claim 1, wherein: at least ten through holes (8) are arranged, and the through holes (8) are distributed on the inner insulating sleeve (1) in an annular array.