CN218069395U - Fireproof cable - Google Patents

Abstract

The utility model discloses a fireproof cable, including cable and sponge bradyseism layer, a plurality of spring grooves are installed to first cable inner wall, the inner wall in spring groove runs through and installs the spring, the telescopic link is installed at the top of spring, the sensor is installed to the inner wall bottom of first cable, and the sensor is in one side in spring groove, the wire is installed to the outer wall of sensor, the siren is installed to the outer wall of first cable, and the one end of wire extends to the bottom of siren. The utility model discloses an install this spring unit, sensor and realize the purpose of overhaul fast, through spring and telescopic link to inner structure's buffering and supporting role, prevent effectively that inner structure's excessive bending type from and the damage that causes when falling, when the inner structure of first cable falls, the sensor response is through wire transmission signal to siren, can judge this section cable conductor inside problem that has appeared fast this moment accurately to reach the purpose of overhaul fast.

Description

Fireproof cable

Technical Field

The utility model relates to the technical field of cables, specifically a fireproof cable.

Background

The cable application occasion is different, service property and requirement to the cable are also different, traditional fire prevention power cable fire behavior is not ideal, and the installation of laying of cable is more troublesome, the cable is many and numerous, seriously influence the efficiency of laying, waste time and energy, ordinary cable receives environmental impact easily, there is corruption, a series of phenomena such as morals and manners, cause very big loss for the use of cable, so the cable of being convenient for install and maintenance is necessary, and long distance cable is because the characteristic of inside fire prevention material when erectting, the performance of buckling is not good, if the cable drops from the eminence because of breaking down, how to protect inside copper core and fire prevention material effectively also urgently to solve, therefore market urgently need to develop a fire prevention cable and help people to solve current problem.

The existing fireproof cable has the defects that:

patent document CN208433241U discloses a fireproof cable, claim of protection "the utility model provides a fireproof cable, which comprises a cable core, a thermal insulation layer, a conductor shielding layer, an F46 layer, a first braided layer, a high temperature resistant layer, a second braided layer, a fireproof layer and a wear-resistant and high temperature resistant shell, which are sequentially arranged from the center of the cable; the wear-resistant and high-temperature-resistant shell is detachably sleeved outside the fireproof layer; the cable core comprises a conductor, an insulating layer wrapping the outer surface of the conductor and filler filled at the periphery of the insulating layer. Fireproof cable can high temperature resistant environment, better protection inside conductor. However, the cable does not solve the problem of maintenance with quick fault detection, nor does it effectively protect the internal copper core and the brittle fire-resistant material when the cable is dropped.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide to solve the cable fast overhaul and the protection problem that provide in 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 first cable and sponge bradyseism layer, the rubber ring shell is installed to the outer wall of first cable.

A plurality of spring grooves are installed to first cable inner wall, the inner wall in spring groove runs through and installs the spring, the telescopic link is installed at the top of spring, the sensor is installed to the inner wall bottom of first cable, and the sensor is in one side in spring groove, the wire is installed to the outer wall of sensor, the siren is installed to the outer wall of first cable, and the one end of wire extends to the bottom of siren.

And a hanging hole is arranged at the top of the first cable.

Preferably, a first waterproof rubber ring is installed on the inner wall of the rubber ring shell, a first shell is installed on the outer wall of the rubber ring shell, a second shell is installed on the outer wall of the first shell, a connector is installed on the inner wall of the second shell, two second open holes are formed in the top of the connector, a third open hole is formed in the inside of the connector, a second waterproof rubber ring is installed on the outer wall of the second shell, two bolts are installed on the inside of the second shell in a penetrating mode, one end of each bolt extends to the inside of the corresponding second open hole, and a second cable is installed on the inner wall of the connector in a penetrating mode.

Preferably, the outer wall of the first cable is provided with a plurality of first openings, and one end of the screw penetrates through the inside of the first openings.

Preferably, the screw is installed in the inner wall of first cable wearing, and the gasket is installed to the outer wall of first cable, and the nut is installed to the bottom of gasket, and the one end of screw runs through the inside of gasket and nut, plays the connection effect to the upper and lower part of first cable.

Preferably, the one end of telescopic link is installed mineral and is separated the fire layer, and mineral separates the fire layer inner wall and installs the stone rope cotton, and mineral separates fire layer, stone rope cotton all have fire prevention fire-retardant effect.

Preferably, the inner wall of the stone wool is provided with an insulating layer, the inner wall of the insulating layer is provided with a brominated flame retardant filler, and the insulating layer protects the inside of the stone wool from electric shock and the like of a contact conductor, so that the mechanical strength can be enhanced, and the service life can be prolonged.

Preferably, a plurality of pipelines are arranged inside the insulating layer, a plurality of oxygen-free copper core conductors are arranged inside the pipelines, the pipelines protect the inside from mechanical damage and chemical corrosion, do not contact water vapor to be damped and the like, and the oxygen-free copper core conductors 701 can transmit power.

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

1. the utility model discloses an install spring unit, the purpose of quick maintenance is realized to the sensor, it wastes time and energy to maintain when unclear the position that the cable damaged, long distance cable is because the gravity of inner structure and relatively poor bending resistance or when the cable falls, through the buffering and supporting action of spring and telescopic link to inner structure, prevent effectively that the excessive bending of inner structure from falling the damage that causes when falling, inner structure falls to the bottom of first cable inner wall when the outside of first cable is corroded or is destroyed because of external force, the sensor responds to and transmits signal to the siren through the wire, can judge fast accurately this section cable conductor has appeared the problem inside this moment, thereby reach the mesh of quick maintenance;

2. the utility model discloses an install coupling assembling and realize fixed to cable junction, dustproof and waterproof, quick assembly disassembly's purpose, first waterproof rubber ring, the waterproof rubber ring of second prevents the rainwater effectively, return the city and get into inside junction from the rubber ring shell, bolt one end can run through the second trompil and fix the first cable and the second cable that run through at the inside third trompil of connector, fixed effect is obvious, the installation, it is convenient to dismantle, the whole device is connected effectively, connector and inside first cable and second cable have been protected.

Drawings

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

FIG. 2 is a schematic cross-sectional structure of the cable of the present invention;

fig. 3 is a schematic view of the expansion structure of the connecting member of the present invention;

FIG. 4 is a cross-sectional structure of the connecting member of the present invention;

in the figure: 1. a first cable; 101. a hanging hole; 102. a first opening; 103. a second cable; 2. a sponge shock absorption layer; 201. a spring slot; 202. a spring; 203. a telescopic rod; 204. a sensor; 205. a wire; 206. an alarm; 3. a rubber ring shell; 301. a first waterproof rubber ring; 302. a first housing; 303. A connector; 304. a second opening; 305. a third opening; 306. a second housing; 307. a second waterproof rubber ring; 308. a bolt; 4. a screw; 401. a gasket; 402. a nut; 5. a mineral fire barrier layer; 501. Stone rope cotton; 6. an insulating layer; 601. a brominated flame retardant filler; 7. a pipeline; 701. an oxygen-free copper core conductor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a fireproof cable includes a first cable 1 and a sponge cushioning layer 2, a rubber ring housing 3 is installed on an outer wall of the first cable 1, a hanging hole 101 is installed on a top of the first cable 1, the hanging hole 101 is used for first placing an upper half portion of the first cable 1 when installing, a plurality of first openings 102 are arranged on the outer wall of the first cable 1, screws 4 are installed on an inner wall of the first cable 1 in a penetrating manner, a gasket 401 is installed on an outer wall of the first cable 1, a nut 402 is installed at a bottom of the gasket 401, one end of each screw 4 penetrates through interiors of the gasket 401 and the nut 402, the screws 4, the gasket 401 and the nut 402 are used for connecting and fixing an upper portion and a lower portion of the first cable 1, and the purposes of convenient installation and simple and convenient disassembly are achieved, the one end of telescopic link 203 is installed mineral and is separated fire layer 5, mineral separates fire layer 5 inner wall and installs stone rope cotton 501, insulating layer 6 is installed to stone rope cotton 501's inner wall, the fire-retardant filler 601 of bromine system is installed to the inner wall of insulating layer 6, the internally mounted of insulating layer 6 has a plurality of pipelines 7, the internally mounted of pipeline 7 has many oxygen-free copper core conductors 701, mineral separates fire layer 5, stone rope cotton 501, the fire-retardant filler 601 of bromine system all has fire prevention fire-retardant, the effect of protection copper core, insulating layer 6, pipeline 7 protects inside not receive mechanical damage and chemical corrosion, it wets not contact steam, prevent contact conductor and electrocute etc, can strengthen mechanical strength and increase of service life, oxygen-free copper core conductor 701 can transmit electric power.

Referring to fig. 1 and 2, a plurality of spring grooves 201 are installed on an inner wall of a first cable 1, a spring 202 is installed on the inner wall of each spring groove 201 in a penetrating manner, an expansion link 203 is installed on the top of each spring 202, when a long-distance cable falls due to gravity of an internal structure and poor bending resistance or the cable falls, damage caused by excessive bending and falling of the internal structure is effectively prevented through buffering and supporting effects of the springs 202 and the expansion link 203 on the internal structure, a sensor 204 is installed at the bottom of the inner wall of the first cable 1, the sensor 204 is located on one side of the spring grooves 201, a lead 205 is installed on the outer wall of the sensor 204, an alarm 206 is installed on the outer wall of the first cable 1, one end of the lead 205 extends to the bottom of the alarm 206, when the external part of the first cable 1 is corroded or damaged by external force, the internal structure falls to the bottom of the inner wall of the first cable 1, the sensor 204 senses and transmits a signal to the alarm 206 through the lead 205, and at this time, a problem occurring in the section of the cable can be quickly and accurately determined, so as to achieve the purpose of quick maintenance;

referring to fig. 1 and 4, a first waterproof rubber ring 301 is installed on an inner wall of a rubber ring housing 3, the rubber ring housing 3 prevents the first waterproof rubber ring 301 from being corroded, the first waterproof rubber ring 301 effectively prevents rainwater from entering an internal joint from the rubber ring housing 3, a first housing 302 is installed on an outer wall of the rubber ring housing 3, the rubber ring housing 3 is in threaded connection with the first housing 302, a second housing 306 is installed on an outer wall of the first housing 302, the first housing 302 is in threaded connection with the second housing 306, a connector 303 is installed on an inner wall of the second housing 306, the connector 303 is used for connecting the first cable 1 and the second cable 103, two second openings 304 are formed in the top of the connector 303, a third opening 305 is formed in the connector 303, a second waterproof rubber ring 307 is installed on an outer wall of the second housing 306, the second waterproof rubber ring 307 prevents rainwater and dust from entering the internal joint from a joint between the first housing 302 and the second housing 306, and two bolts 308 are installed in the second housing 306, and one end of the bolt 308 extends into the second opening 304, the inner wall of the connector 303 is provided with the second cable 103 in a penetrating manner, one end of the bolt 308 can penetrate through the second opening 304 and fix the first cable 1 and the second cable 103 which penetrate through the third opening 305 in the connector 303, the fixing effect is obvious, the dismounting is convenient, one end of the first cable 1 sequentially penetrates through the first waterproof rubber ring 301, the rubber ring shell 3 and the first shell 302 and extends into the connector 303, one end of the second cable 103 sequentially penetrates through the first waterproof rubber ring 301, the rubber ring shell 3 and the second shell 306 and extends into the connector 303, the bolt 308 is screwed, the whole device is effectively connected with the connector 303 and protects the first cable 1 and the second cable 103 in the connector 303, and the mounting and the dismounting are simple and convenient.

The working principle is that the upper half part of a first cable 1 is placed through a hanging hole 101, the upper part and the lower part of the first cable 1 are fixed through a screw 4, a gasket 401 and a nut 402, one end of the first cable 1 sequentially penetrates through a first waterproof rubber ring 301, a rubber ring shell 3 and a first shell 302 and extends into a connector 303, one end of a second cable 103 sequentially penetrates through the first waterproof rubber ring 301, the rubber ring shell 3 and a second shell 306 and extends into the connector 303, the first cable 1 and the second cable 103 are connected through the connector 303, a bolt 308 is screwed, when a long-distance cable is subjected to gravity and poor bending resistance or cable falling due to the internal structure, the internal structure can be effectively prevented from being excessively bent and damaged due to the buffering and supporting effects of a spring 202 and a telescopic rod 203 on the internal structure, when the external part of the first cable 1 is corroded or damaged due to external force, the internal structure falls to the bottom of the inner wall of the first cable 1, a sensor 204 senses and transmits signals to an alarm 206 through a lead 205, so that the problem of the first cable 1 can be judged, the first cable 301, the second cable 1 falls, the second cable shell 301 and the second shell 303 are electrically connected, the second shell 303, if the second shell 303 is loosened, the second shell 302 and the second shell 303, the second shell 302 are electrically connected with the waterproof rubber ring shell 306, and the waterproof rubber ring shell 306.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a fireproof cable, includes first cable (1) and sponge bradyseism layer (2), its characterized in that: a rubber ring shell (3) is arranged on the outer wall of the first cable (1);

the cable comprises a first cable (1), a plurality of spring grooves (201) are installed on the inner wall of the first cable (1), a spring (202) is installed on the inner wall of each spring groove (201) in a penetrating mode, an expansion rod (203) is installed at the top of each spring (202), a sensor (204) is installed at the bottom of the inner wall of the first cable (1), the sensor (204) is located on one side of each spring groove (201), a lead (205) is installed on the outer wall of the sensor (204), an alarm (206) is installed on the outer wall of the first cable (1), and one end of the lead (205) extends to the bottom of the alarm (206);

a hanging hole (101) is installed at the top of the first cable (1).

2. A fire-resistant cable as claimed in claim 1, wherein: first waterproof rubber ring (301) is installed to the inner wall of rubber ring shell (3), first shell (302) is installed to the outer wall of rubber ring shell (3), second shell (306) is installed to the outer wall of first shell (302), connector (303) is installed to the inner wall of second shell (306), the top of connector (303) is provided with two second trompils (304), the inside of connector (303) is provided with third trompil (305), waterproof rubber ring (307) of second is installed to the outer wall of second shell (306), two bolts (308) are installed to the inside of second shell (306) through-mounting, and bolt (308) one end extends to the inside of second trompil (304), the inner wall of connector (303) is run through and is installed second cable (103).

3. A fire-resistant cable according to claim 1, wherein: the outer wall of the first cable (1) is provided with a plurality of first openings (102).

4. A fire-resistant cable according to claim 1, wherein: screw (4) are worn to install by the inner wall of first cable (1), and gasket (401) are installed to the outer wall of first cable (1), and nut (402) are installed to the bottom of gasket (401), and the inside of gasket (401) and nut (402) is run through to the one end of screw (4).

5. A fire-resistant cable according to claim 1, wherein: mineral separates fire layer (5) is installed to the one end of telescopic link (203), and stone rope cotton (501) is installed to mineral separate fire layer (5) inner wall.

6. A fire-resistant cable as claimed in claim 5, wherein: the inner wall of the stone rope cotton (501) is provided with an insulating layer (6), and the inner wall of the insulating layer (6) is provided with a brominated flame retardant filler (601).

7. A fire-resistant cable according to claim 6, wherein: a plurality of pipelines (7) are installed inside the insulating layer (6), and a plurality of oxygen-free copper core conductors (701) are installed inside the pipelines (7).

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