CN218159678U

CN218159678U - Fireproof cable

Info

Publication number: CN218159678U
Application number: CN202220499919.XU
Authority: CN
Inventors: 张保更; 巨建英; 张涛; 张海伟; 张建中
Original assignee: Guizhou Baosheng Cable Co ltd
Current assignee: Guizhou Baosheng Cable Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-12-27
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a fireproof cable, including the endotheca, the inside of endotheca is provided with many fire-retardant covers, the inside of fire-retardant cover is provided with the conductor sinle silk that many wires strand and constitute, and a plurality of the outside cover of fire-retardant cover is equipped with the stay tube, the inside of stay tube is fixed with the division board with fire-retardant cover quantity looks adaptation, and angular distribution such as a plurality of division boards, each fire-retardant cover is in respectively between two adjacent division boards, and a plurality of division boards are fixed with the inner tube towards the one end at stay tube center, have seted up the through-hole evenly on the surface of inner tube; present insulating filler has been replaced through the stay tube and the division board of design, and this stay tube not only can be accurate separate the conductor sinle silk, has still reduced the whole weight of cable, has perfected a great deal of not enough in the current structure, under spacing through stay tube and division board, also can be convenient install the conductor sinle silk.

Description

Fireproof cable

Technical Field

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

Background

A cable is an electrical energy or signal transmission device, generally consisting of several or several groups of conductors, each group of conductors being insulated from each other and often twisted around a center, the whole being covered with a highly insulating covering, the cable being characterized by internal energization and external insulation.

Present cable is when using, self fire behavior is relatively poor, and present cable inner conductor sinle silk is in the installation, because self length is longer, it is spacing difficult to fix, and the state that scatters can appear, consequently in the installation, need many people to operate, the degree of difficulty is great in the installation, after the installation is accomplished, in order to guarantee the state of alternate segregation between the conductor sinle silk, can fill through thermal-insulated filler, the holistic weight of cable can be increased to this kind of mode, and the processing cost is great, and present cable uses under the great condition of linear span, self shape ability and bearing capacity of preapring for an unfavorable turn of events are lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fireproof cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fireproof cable, includes the endotheca the inside of endotheca is provided with many fire-retardant covers, the inside of fire-retardant cover is provided with the conductor sinle silk that many wires transposition constitute, and is a plurality of the outside cover of fire-retardant cover is equipped with the stay tube the inside of stay tube is fixed with the division board with fire-retardant cover quantity looks adaptation, and angular distribution such as a plurality of division boards, every fire-retardant cover is in respectively between two adjacent division boards, and is a plurality of the division board is fixed with the inner tube towards the one end at stay tube center the through-hole has evenly been seted up on the surface of inner tube, wherein two are adjacent division board, stay tube and inner tube constitute independent region of placing.

Preferably, the inner sleeve is sleeved outside the supporting tube, and the supporting tube is an inner tangent polygon of the inner sleeve.

Preferably, the longitudinal section of the through hole is in an isosceles trapezoid structure, and the width of the inner side of the through hole is gradually reduced towards the center of the inner tube.

Preferably, the inner wall of the outer protecting sleeve is provided with mounting grooves at equal angles, supporting columns are clamped in the mounting grooves, and the supporting columns, the mounting grooves and the outer protecting sleeve are equal in length.

Preferably, the glass fiber flame-retardant belt is further sleeved outside the inner sleeve and is located between the outer protective sleeve and the inner sleeve.

Preferably, the outer protective sleeve, the glass fiber flame-retardant belt and the inner sleeve are respectively provided with a mark groove on the surface, and the mark grooves on the outer protective sleeve, the glass fiber flame-retardant belt and the inner sleeve are distributed in a staggered manner and are not on the same plane.

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

1. the designed support tube and the designed partition plate replace the existing insulating filler, the support tube not only can accurately separate conductor wire cores, but also can reduce the overall weight of the cable, improve various defects in the existing structure, and can conveniently install the conductor wire cores under the limit of the support tube and the partition plate;

2. by the aid of the designed mounting grooves and the supporting columns, deformation prevention and supporting capabilities of the outer protective sleeve can be improved in use, the cable can be used in a scene with a large linear span, and meanwhile, the supporting columns are quite convenient to mount and easy to operate;

3. through the sign groove of design, can promote cutting speed when cutting outer lag, the fire-retardant area of glass silk, endotheca, can also guarantee that the region of cutting tends towards the straight line simultaneously, improves the aesthetic property.

Drawings

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

FIG. 2 is a cross-sectional view showing the connection between the inner sleeve and the supporting tube;

fig. 3 is a sectional view of the outer protective cover of the present invention.

In the figure: 1. an outer protective sleeve; 2. a fiberglass flame retardant tape; 3. an inner sleeve; 4. a conductor core; 5. a flame-retardant sleeve; 6. marking a slot; 7. an inner tube; 8. supporting a tube; 9. a through hole; 10. a partition plate; 11. mounting grooves; 12. And (4) a support column.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a fireproof cable, including endotheca 3, be provided with many fire-retardant covers 5 in the inside of endotheca 3, the inside of fire-retardant cover 5 is provided with the conductor sinle silk 4 that many wires transposition constitutes, the outside cover of a plurality of fire-retardant covers 5 is equipped with stay tube 8, be fixed with the division board 10 with fire-retardant 5 quantity looks adaptations of cover in the inside of stay tube 8, and angular distribution such as a plurality of division boards 10, present insulating filler has been replaced through stay tube 8 and division board 10 of design, this stay tube 8 not only can be accurate separate conductor sinle silk 4, the whole weight of cable has still been reduced, a great deal of not enough in the existing structure has been perfected, spacing through stay tube 8 and division board 10, also can be convenient install conductor sinle silk 4, every fire-retardant cover 5 is in between two adjacent division boards 10 respectively, a plurality of division boards 10 are fixed with inner tube 7 towards the one end at stay tube 8 center, through-hole 9 has evenly been seted up on the surface of inner tube 7, wherein two adjacent division boards 10, stay tube 8 and inner tube 7 constitute independent region of placing.

In this embodiment, it is preferable that the inner sleeve 3 is sleeved outside the support tube 8 for normal installation, and the support tube 8 is an inner tangent polygon of the inner sleeve 3.

In this embodiment, preferably, the longitudinal section of the through hole 9 is an isosceles trapezoid structure, and the width of the inner side of the through hole 9 gradually decreases toward the center of the inner tube 7, so that the hot air flowing out of the inner tube 7 is smaller than the hot air flowing in.

In this embodiment, it is preferred, mounting groove 11 has been seted up to angles such as outer lag 1's inner wall, the inside card of mounting groove 11 has gone into there is support column 12, mounting groove 11 and support column 12 through the design, can in use, promote outer lag 1's the shape and the supporting capacity of preapring for an unfavorable turn of events, realize that the cable uses under the great scene of straight-line span, support column 12's mounting means is very convenient simultaneously, easily operation, support column 12, mounting groove 11 and outer lag 1's length equals.

In this embodiment, preferably, the glass fiber flame-retardant band 2 is further sleeved outside the inner sleeve 3 for improving the fireproof performance of the cable, and the glass fiber flame-retardant band 2 is located between the outer protective sleeve 1 and the inner sleeve 3.

In this embodiment, preferably, the surfaces of the outer protective sleeve 1, the glass fiber flame-retardant belt 2 and the inner sleeve 3 are all formed with identification grooves 6, and through the designed identification grooves 6, when the outer protective sleeve 1, the glass fiber flame-retardant belt 2 and the inner sleeve 3 are cut, the cutting speed is increased, and meanwhile, the cutting area tends to a straight line, so that the appearance is improved, and the identification grooves 6 on the outer protective sleeve 1, the glass fiber flame-retardant belt 2 and the inner sleeve 3 are distributed in a staggered manner and are not on the same plane.

The utility model discloses a theory of operation and use flow: the utility model discloses in the installation, insert the inside of stay tube 8 with fire-retardant cover 5 earlier, and accomplish the separation to a plurality of fire-retardant covers 5 through division board 10, establish 3 covers of endotheca in the outside of stay tube 8 subsequently, establish 2 covers of glass silk fire-retardant area on endotheca 3 in proper order, establish 1 covers of outer lag on glass silk fire-retardant area 2, accomplish the installation of whole cable with this, in use, conductor core 4 in fire-retardant cover 5 inside produces the high temperature, and separate through division board 10, and every two adjacent division boards 10, the temperature in the region that forms between stay tube 8 and the inner tube 7 can be transmitted to the inside of inner tube 7 through-hole 9, lead through inner tube 7 with partial high temperature, further reduce every two adjacent division boards 10, the temperature in the region that forms between stay tube 8 and the inner tube 7, because the opening of through-hole 9 dwindles gradually towards the inside of inner tube 7, make the hot-air that inner tube 7 flows out be less than the hot-air that flows in, therefore can realize the storage to the hot-air of hot-air, and the hot-air that flows out can evenly distributed to every independent region, make the stability in each region, avoid local high temperature roughly constant; when the cable is in the great condition use of straight line span, when the outer lag 1 of installation in the stage in advance, go into support column 12 card and increase the support nature of outer lag 1 and the ability of preapring for an unfavorable turn of events in the mounting groove 11, when needs are outer lag 1, during the fire-retardant area of glass silk 2 and the 3 cutting of endotheca, lead through sign groove 6, make the cutting be the straight line, promote the aesthetic property, shorten the cutting time simultaneously, in whole use, through the fire behavior of the fire-retardant area of glass silk 2 promotion cables.

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. The utility model provides a fireproof cable, includes endotheca (3) the inside of endotheca (3) is provided with many fire-retardant covers (5), the inside of fire-retardant cover (5) is provided with conductor sinle silk (4) that many wires transposition constitutes, its characterized in that: it is a plurality of the outside cover of fire-retardant cover (5) is equipped with stay tube (8) the inside of stay tube (8) is fixed with division board (10) with fire-retardant cover (5) quantity looks adaptation, and angular distribution such as a plurality of division boards (10), every fire-retardant cover (5) are in respectively between two adjacent division boards (10), and are a plurality of division board (10) are fixed with inner tube (7) towards the one end at stay tube (8) center through-hole (9) have evenly been seted up on the surface of inner tube (7), and wherein two are adjacent division board (10), stay tube (8) and inner tube (7) constitute independent region of placing.

2. A fire-resistant cable as claimed in claim 1, wherein: the inner sleeve (3) is sleeved outside the supporting tube (8), and the supporting tube (8) is an inner tangent polygon of the inner sleeve (3).

3. A fire-resistant cable according to claim 1, wherein: the longitudinal section of the through hole (9) is of an isosceles trapezoid structure, and the width of the inner side of the through hole (9) is gradually reduced towards the center of the inner tube (7).

4. A fire-resistant cable according to claim 1, wherein: the inner wall of the outer protecting sleeve (1) is provided with a mounting groove (11) at equal angles, a supporting column (12) is clamped into the mounting groove (11), and the lengths of the supporting column (12), the mounting groove (11) and the outer protecting sleeve (1) are equal.

5. A fire-resistant cable according to claim 4, wherein: the glass fiber flame-retardant belt (2) is further sleeved outside the inner sleeve (3), and the glass fiber flame-retardant belt (2) is located between the outer protective sleeve (1) and the inner sleeve (3).

6. A fire-resistant cable as claimed in claim 5, wherein: the surface of the outer protective sleeve (1), the glass fiber flame-retardant belt (2) and the inner sleeve (3) is provided with identification grooves (6), and the identification grooves (6) on the outer protective sleeve (1), the glass fiber flame-retardant belt (2) and the inner sleeve (3) are distributed in a staggered manner and are not positioned on the same plane.