CN217846733U - High-temperature-resistant flame-retardant optical cable - Google Patents

Abstract

The utility model discloses a high temperature resistant fire resistance optical cable, including the lag, fire-retardant layer has set firmly on the inner chamber wall of protective sheath, the heat insulation layer has set firmly on the inner chamber wall of fire-retardant layer, the inside insulating layer that has set firmly of heat insulation layer, inside central reinforcement, a plurality of cable core of being provided with of insulating layer, central reinforcement is located in the middle of a plurality of cable cores, the cable core is connected with central reinforcement through a plurality of rubber buffer blocks, the inside filler that is provided with of insulating layer, through setting up inoxidizing coating, fire-retardant layer, heat insulation layer, filler, can effectually wrap up the inside cable core of optical cable, through multilayer protection, can strengthen the high temperature resistance and the fire resistance of optical cable self to make it not fragile, and through setting up central reinforcement, rubber buffer block, the buffering based on the cable core that can be better avoids it to be collided and extrudeed and damage.

Description

High-temperature-resistant flame-retardant optical cable

Technical Field

The utility model relates to an optical cable field especially relates to a high temperature resistant fire resistance optical cable.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fibers (thin glass fibers like hair), a plastic protective sleeve and a plastic outer cover, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers forming a cable core according to a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Namely: a cable formed by subjecting an optical fiber (optical transmission carrier) to a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and further comprises a waterproof layer, a buffer layer, an insulated metal wire and other components according to requirements.

Most of cable cores in the existing optical cable are directly wrapped by a single-layer or multi-layer protective sleeve, the optical cable is poor in high-temperature resistance and flame retardance and easy to burn, the existing optical cable is poor in weather resistance and durability, and the surface of the optical cable is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant fire resistance optical cable for solve following problem: through setting up inoxidizing coating, fire-retardant layer, heat insulation layer, filler, can effectually wrap up the inside cable core of optical cable, through multilayer protection, can strengthen the high temperature resistance performance and the fire resistance of optical cable self to make it not fragile, and through setting up central reinforcement, rubber buffer block, the buffering based on the cable core that can be better avoids it to be collided the extrusion and damage.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

the utility model provides a high temperature resistant fire resistance optical cable, includes the lag, the fire-retardant layer has set firmly on the inner chamber wall of lag, the heat insulation layer has set firmly on the inner chamber wall of fire-retardant layer, the insulating layer has set firmly in the inside insulating layer, inside central reinforcement, a plurality of cable core of being provided with of insulating layer, central reinforcement is located in the middle of a plurality of cable cores, the cable core is connected with central reinforcement through a plurality of rubber buffer blocks, the inside filler that is provided with of insulating layer.

Preferably, the filler is a glass fiber layer, and the flame-retardant layer is a fire-resistant mica tape layer.

Preferably, the lag top is provided with the mount, the mount bottom has set firmly the mounting panel, the inside second spout that is provided with of mounting panel, the inside second ball bearing that is provided with of second spout, second ball bearing is connected with the mounting panel through a plurality of spliced poles, the inside second screw rod that has set firmly of second ball bearing, threaded connection has the limiting plate on the second screw rod, the second bevel gear has set firmly on the second screw rod, the mounting panel top is run through and is set firmly third ball bearing, the inside pivot that has set firmly of third ball bearing, the pivot is located the inside one end of second spout and has set firmly first bevel gear, first bevel gear and second bevel gear meshing.

Preferably, be provided with first spout on the mounting panel, run through on the mounting panel and set firmly first ball bearing, first ball bearing is inside to be set firmly first screw rod, first screw rod one end is located the mounting panel outside, the first screw rod other end is located inside the first spout, the inside sliding connection of first spout has the fixed plate, fixed plate and first screw rod threaded connection, run through on the fixed plate and be provided with a plurality of fixed orificess.

Preferably, the limiting plate is connected with the mounting plate in a sliding mode, and the fixing plate is connected with the mounting plate in a sliding mode.

Preferably, a reinforcing rod is arranged between the fixing frame and the mounting plate, one end of the reinforcing rod is fixedly connected with the fixing frame, and the other end of the reinforcing rod is fixedly connected with the mounting plate.

The utility model has the advantages that:

1. the utility model discloses a set up inoxidizing coating, fire-retardant layer, heat insulation layer, filler, can effectually wrap up the inside cable core of optical cable, through multilayer protection, can strengthen the high temperature resistance and the fire resistance of optical cable self to make it not fragile, and through setting up central reinforcement, rubber buffer block, the buffering based on the cable core that can be better avoids it to be extruded by the collision and damages.

2. Through controlling the limiting plate, make limiting plate and mount carry out the centre gripping with the lag to fix the mount on the protective sheath, and through removing the post fixed plate, the fixed orifices on the accessible fixed plate is fixing it in a certain place with the help of external dead lever, has guaranteed the fixed of optical cable, places the optical cable and moves indiscriminately at will.

Drawings

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

FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion B of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the connection between the mounting plate and the fixing plate according to the present invention;

fig. 5 is a schematic view of a partial structure of the fixing plate of the present invention;

reference numerals are as follows: 1. a fixed mount; 2. a protective sleeve; 3. a flame retardant layer; 4. a heat insulating layer; 5. an insulating layer; 6. a filler; 7. a cable core; 8. a rubber buffer block; 9. a central reinforcement; 10. a limiting plate; 11. a reinforcing rod; 12. mounting a plate; 13. a first chute; 14. a fixing plate; 15. a fixing hole; 16. a first screw; 17. a first ball bearing; 18. a second screw; 19. a rotating shaft; 20. a first bevel gear; 21. a second bevel gear; 22. connecting columns; 23. a second ball bearing; 24. a third ball bearing; 25. a second runner.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, a high temperature resistant flame retardant optical cable comprises a protective sleeve 2, a flame retardant layer 3 is fixedly arranged on the inner wall of an inner cavity of the protective sleeve 2, a heat insulating layer 4 is fixedly arranged on the inner wall of the inner cavity of the flame retardant layer 3, an insulating layer 5 is fixedly arranged inside the heat insulating layer 4, a central reinforcement 9 and a plurality of cable cores 7 are arranged inside the insulating layer 5, the central reinforcement 9 is positioned among the cable cores 7, the cable cores 7 are connected with the central reinforcement 9 through a plurality of rubber buffer blocks 8, a filler 6 is arranged inside the insulating layer 5, the filler 6 is a glass fiber layer, and the flame retardant layer 3 is a fire-resistant mica tape layer;

the protective layer is arranged, so that the scraping protection effect can be achieved, direct damage is avoided, the steel mesh layer is arranged inside the protective layer, the protection capability of the protective layer is enhanced, the high-temperature resistance and non-combustible capability of the protective layer can be enhanced by arranging the flame-retardant layer 3 and the filler 6, and the heat is prevented from influencing the use of the cable core 7 by arranging the heat insulation layer 4;

the central reinforcing piece 9 and the rubber buffer block 8 are arranged, so that the effect of impact protection can be effectively achieved;

a reinforcing rod 11 is arranged between the fixing frame 1 and the mounting plate 12, one end of the reinforcing rod 11 is fixedly connected with the fixing frame 1, and the other end of the reinforcing rod 11 is fixedly connected with the mounting plate 12.

Example 2

As shown in fig. 1 to 5, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: the top of the protective sleeve 2 is provided with a fixed frame 1, the bottom of the fixed frame 1 is fixedly provided with a mounting plate 12, a second chute 25 is arranged inside the mounting plate 12, a second ball bearing 23 is arranged inside the second chute 25, the second ball bearing 23 is connected with the mounting plate 12 through a plurality of connecting columns 22, a second screw 18 is fixedly arranged inside the second ball bearing 23, a limiting plate 10 is connected to the second screw 18 in a threaded manner, a second conical gear 21 is fixedly arranged on the second screw 18, a third ball bearing 24 penetrates through the top of the mounting plate 12 and is fixedly arranged inside the third ball bearing 24, a rotating shaft 19 is fixedly arranged inside the third chute 25, a first conical gear 20 is fixedly arranged at one end of the rotating shaft 19 inside the second chute 25, the first conical gear 20 is meshed with the second conical gear 21, when the optical cable is to be fixed on the ground or a bridge, the fixed frame 1 can be placed on the protective sleeve 2 to enable the mounting plate 12 to be in contact with the ground or the bridge, then the fixed frame 1 is adjusted to be in position on the optical cable, the rotating shaft 19 drives the second screw 18 to be moved out to enable the limiting plate 10 to be fixed on the optical cable by means of the limiting plate, and the optical cable is clamped on the limiting plate 10 by the limiting plate 1;

the mounting plate 12 is provided with a first chute 13, the mounting plate 12 is provided with a first ball bearing 17 in a penetrating manner, a first screw 16 is fixedly arranged inside the first ball bearing 17, one end of the first screw 16 is positioned outside the mounting plate 12, the other end of the first screw 16 is positioned inside the first chute 13, a fixing plate 14 is slidably connected inside the first chute 13, the fixing plate 14 is in threaded connection with the first screw 16, a plurality of fixing holes 15 are formed in the fixing plate 14 in a penetrating manner, the limiting plate 10 is slidably connected with the mounting plate 12, the fixing plate 14 is slidably connected with the mounting plate 12, and the first screw 16 is rotated to drive the fixing plate 14 to move out of the first chute 13 by the first screw 16, so that the fixing holes 15 in the fixing plate 14 are leaked out, and the fixing plate can be fixed on the ground or a bridge frame by means of the fixing holes 15 and external fixing rods or fixing bolts, and thus the fixed mounting of the fixing plates can be well guaranteed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A high temperature resistant flame retardant optical cable comprising a protective sheath (2), characterized in that: the utility model discloses a cable core, including lag (2), fire-retardant layer (3) have set firmly on the inner chamber inner wall of lag (2), heat insulation layer (4) have set firmly on fire-retardant layer (3) inner chamber inner wall, insulating layer (4) inside has set firmly insulating layer (5), insulating layer (5) inside is provided with a central reinforcement (9), a plurality of cable core (7), central reinforcement (9) are located in the middle of a plurality of cable core (7), cable core (7) are connected with central reinforcement (9) through a plurality of rubber buffer block (8), insulating layer (5) inside is provided with filler (6).

2. The high temperature resistant flame retardant optical cable according to claim 1, wherein: the filler (6) is a glass fiber layer, and the flame-retardant layer (3) is a fire-resistant mica tape layer.

3. The high temperature resistant flame retardant optical cable according to claim 1, wherein: the utility model discloses a motor protection sleeve, including lag (2), mounting panel (12) have been set firmly to lag (2) top, mounting panel (12) inside is provided with second spout (25), second spout (25) inside is provided with second ball bearing (23), second ball bearing (23) are connected with mounting panel (12) through a plurality of spliced poles (22), second ball bearing (23) inside has set firmly second screw rod (18), threaded connection has limiting plate (10) on second screw rod (18), second bevel gear (21) have set firmly on second screw rod (18), third ball bearing (24) have run through at mounting panel (12) top and have set firmly third ball bearing (24), third ball bearing (24) inside has set firmly pivot (19), pivot (19) are located the inside one end of second spout (25) and have set firmly first bevel gear (20), first bevel gear (20) mesh with second bevel gear (21).

4. The high temperature resistant flame retardant optical cable according to claim 3, wherein: be provided with first spout (13) on mounting panel (12), run through on mounting panel (12) and set firmly first ball bearing (17), first ball bearing (17) inside is set firmly first screw rod (16), first screw rod (16) one end is located mounting panel (12) outside, first screw rod (16) other end is located inside first spout (13), first spout (13) inside sliding connection has fixed plate (14), fixed plate (14) and first screw rod (16) threaded connection, it is provided with a plurality of fixed orificess (15) to run through on fixed plate (14).

5. The high temperature resistant flame retardant optical cable according to claim 4, wherein: the limiting plate (10) is connected with the mounting plate (12) in a sliding mode, and the fixing plate (14) is connected with the mounting plate (12) in a sliding mode.

6. The high temperature resistant flame retardant optical cable according to claim 5, wherein: be provided with stiffener (11) between mount (1) and mounting panel (12), stiffener (11) one end and mount (1) rigid coupling, stiffener (11) other end and mounting panel (12) rigid coupling.

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