CN208722621U - A kind of environment-friendlyfireproof fireproof cable - Google Patents

Abstract

The utility model discloses a kind of environment-friendlyfireproof fireproof cables, including cable body and set on cable body both ends and the attachment base that is detachably connected with cable body, cable body is followed successively by sheath from outside to inside, hollow bushing and core, the both ends of hollow bushing are equipped with socket end, wherein socket end is set to the outside of sheath, and socket end is equipped with plate far from the side of hollow bushing, the both ends of core are equipped with contact jaw, and contact jaw is set to the outside of hollow bushing, attachment base is followed successively by outer ring from outside to inside, centre circle and inner ring, wherein outer ring is detachably connected by screw and sheath, and inner ring is equipped with the through-hole being adapted to core and the female end being adapted to socket end.The utility model is designed reasonably substantially increases fireproofing of cable flame retardant property, has the advantages that resistance to compression cushion performance is excellent, fire retardant performance is excellent and environmentally friendly reliable, while self structure is secured, the service life is longer.

Description

A kind of environment-friendlyfireproof fireproof cable

Technical field

The utility model belongs to field of cable technology, and in particular to a kind of environment-friendlyfireproof fireproof cable.

Background technique

Cable usually by several or several groups of conducting wires (every group at least two) are twisted, mutually insulated between every group of conducting wire, And be often twisted into around a center, insulating layer would generally be coated in wire external layer, and upper jacket can be covered outside insulating layer to make Conducting wire is obtained to be not easy to be destroyed.Current some buildings higher for fire protection requirement, if only with this cable, once fire occurs Calamity, flame will be spread rapidly along cable to be opened, and the intensity of a fire will become larger in a short time, cause unpredictable loss.

Utility model content

The purpose of this utility model is to provide a kind of environment-friendlyfireproof fireproof cables, to solve proposed in above-mentioned background technique Problem.

To achieve the above object, the utility model is the following technical schemes are provided: a kind of environment-friendlyfireproof fireproof cable, structural feature Be: including cable body and set on cable body both ends and the attachment base that is detachably connected with cable body, cable body by Outer to be followed successively by sheath, hollow bushing and core to interior, the both ends of hollow bushing are equipped with socket end, and wherein socket end is set to shield The outside of set, and socket end is equipped with plate far from the side of hollow bushing, the both ends of core are equipped with contact jaw, and contact jaw is set In the outside of hollow bushing, attachment base is followed successively by outer ring, centre circle and inner ring from outside to inside, and wherein outer ring can by screw and sheath Dismantling connection, and inner ring is equipped with the through-hole being adapted to core and the female end being adapted to socket end.

Preferably, sheath is followed successively by early warning layer, protective layer and high-temperature-resistant layer from outside to inside；Early warning layer is to be become by temperature-sensitive Discoloration coating made of color material；Protective layer is formed by fiberglass braided；High-temperature-resistant layer is made of halogen-free low-smoke flame retardant material.

Preferably, the quantity of core is one, wherein core includes conductor, is arranged on the outside of conductor circumferentially uniformly Several heat carriers of arrangement and the insulating layer being arranged on the outside of several heat carriers, and filled out between adjacent heat carrier equipped with high temperature resistant Fill object.

Preferably, heat carrier is made of heat conductive insulating elastic rubber.

Preferably, high temperature resistant filler is the porous ceramic particle being made of ceramic.

Preferably, the quantity of core be it is several, the quantity of hollow bushing and the quantity of core are consistent, and hollow bushing It is arranged for array or circumferentially evenly distributed.

Preferably, being equipped with connecting plate between hollow bushing, wherein hollow bushing and connecting plate are integrated setting, and empty Heart casing and connecting plate are made of polytetrafluoroethylene (PTFE).

Preferably, fire prevention filler is equipped between sheath and hollow bushing and between hollow bushing and core, And fire prevention filler is asbestos or mica.

Preferably, attachment base is made of polytetrafluoroethylene (PTFE).

Preferably, circumferentially there are at least two mounting holes being adapted to screw in outer ring, and sheath is equipped with and peace Fill the corresponding blind hole in hole site.

Compared with prior art, the utility model is designed reasonably substantially increases fireproofing of cable flame retardant property, has anti- Press that cushion performance is excellent, the excellent and environmentally friendly reliable advantage of fire retardant performance, while self structure is secured, service life is more It is long.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the left view of the utility model cable body；

Fig. 3 is the left view of the utility model attachment base；

In figure: 1- sheath, 2- hollow bushing, 3- core, 4- socket end, 5- plate, 6- contact jaw, the outer ring 7-, 8- centre circle, 9- inner ring, 10- screw, 11- through-hole, 12- female end, 13- early warning layer, 14- protective layer, 15- high-temperature-resistant layer, 16- conductor, 17- Heat carrier, 18- insulating layer, 19- high temperature resistant filler, 20- connecting plate, 21- fire prevention filler, 22- mounting hole, 23- blind hole.

Specific embodiment

Explanation is further explained to the utility model with reference to the accompanying drawing, but does not limit the protection model of the utility model It encloses.

In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc. The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure It makes and operates, therefore should not be understood as limiting the present invention.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution, a kind of environment-friendlyfireproof fireproof cable, including cable body With the attachment base for being set to cable body both ends and being detachably connected with cable body, the cable body is followed successively by from outside to inside The both ends of sheath 1, hollow bushing 2 and core 3, the hollow bushing 2 are equipped with socket end 4, and wherein socket end 4 is set to shield The outside of set 1, and socket end 4 is equipped with plate 5 far from the side of hollow bushing 2, the both ends of the core 3 are equipped with contact jaw 6, and contact jaw 6 is set to the outside of hollow bushing 2, the attachment base is followed successively by outer ring 7, centre circle 8 and inner ring 9 from outside to inside, Wherein outer ring 7 is detachably connected by screw 10 with sheath 1, and inner ring 9 is equipped with the through-hole 11 being adapted to core 3 and and socket end The female end 12 of 4 adaptations.

Wherein, in the present embodiment, the sheath 1 is followed successively by early warning layer 13, protective layer 14 and high temperature resistant from outside to inside Layer 15；Early warning layer 13 is the discoloration coating made of temperature-sensing color-changing material；Protective layer 14 is formed by fiberglass braided；High temperature resistant Layer 15 is made of halogen-free low-smoke flame retardant material.

Wherein, in the present embodiment, the quantity of the core 3 is one, and wherein core 3 exists including conductor 16, setting Several heat carriers 17 that 16 outside of conductor is circumferentially evenly arranged and the insulating layer 18 being arranged on the outside of several heat carriers 17, and phase High temperature resistant filler 19 is equipped between adjacent heat carrier 17.

Wherein, in the present embodiment, the heat carrier 17 is made of heat conductive insulating elastic rubber.

Wherein, in the present embodiment, the high temperature resistant filler 19 is the porous ceramic particle being made of ceramic.

Wherein, in the present embodiment, the quantity of the core 3 is several, the quantity of hollow bushing 2 and the number of core 3 Amount is consistent, and hollow bushing 2 is array arrangement or circumferentially evenly distributed.

Wherein, in the present embodiment, connecting plate 20 is equipped between the hollow bushing 2, wherein hollow bushing 2 and connection Plate 20 is integrated setting, and hollow bushing 2 and connecting plate 20 are made of polytetrafluoroethylene (PTFE).

Wherein, in the present embodiment, between the sheath 1 and hollow bushing 2 and between hollow bushing 2 and core 3 It is equipped with fire prevention filler 21, and filler 21 of preventing fires is asbestos or mica.

Wherein, in the present embodiment, the attachment base is made of polytetrafluoroethylene (PTFE).

Wherein, in the present embodiment, circumferentially there are at least two mounting holes being adapted to screw 10 in the outer ring 7 22, and sheath 1 is equipped with blind hole 23 corresponding with 22 position of mounting hole.

Working principle: two adjacent cable bodies are detachably connected by attachment base, when there is fire behavior, by artificial Ground cuts off the connection between each cable body, prevents the intensity of a fire from moving towards sprawling along cable body, and then can effectively prevent The expansion of the intensity of a fire.The two-end structure of cable body is consistent, easier for installation, while each hollow bushing 2 can be set to not Same color, in order to the Fast Installation of cable.Sheath 1 is followed successively by early warning layer 13, protective layer 14 and high-temperature-resistant layer from outside to inside 15, early warning layer 13 color change can occur when cable overheats, and staff is allow to find superheat section in time, and carry out and When handle, protective layer 14 and high-temperature-resistant layer 15 substantially increase fireproofing of cable flame retardant property, thus extend cable use the longevity Life.Each core 3 is separated by hollow bushing 2, is conducive to the maintenance of core 3, while hollow bushing 2 and connecting plate 20 are equal It is made of polytetrafluoroethylene (PTFE), when fire behavior occurs in a core 3 wherein, will not influence other cores 3, reduce fire damage.It leads Several heat carriers 17 that 16 outside of body is circumferentially evenly arranged, heat carrier 17 has thermally conductive, insulation, cushion performance, and increases 3 flexibility of core prevents the performance of the fracture of conductor 16, is equipped with high temperature resistant filler 19, Ke Yijin between adjacent heat carrier 17 One step protects cable.Fire prevention filler 21 is equipped between sheath 1 and hollow bushing 2 and between hollow bushing 2 and core 3, And fire prevention filler 21 is that asbestos or mica and a step improve fireproofing of cable performance.

The utility model is designed reasonably substantially increases fireproofing of cable flame retardant property, excellent with resistance to compression cushion performance, The excellent and environmentally friendly reliable advantage of fire retardant performance, while self structure is secured, the service life is longer.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein, and should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. a kind of environment-friendlyfireproof fireproof cable, it is characterised in that: including cable body and be set to cable body both ends and and cable body The attachment base being detachably connected, the cable body are followed successively by sheath, hollow bushing and core from outside to inside, and described is hollow The both ends of casing are equipped with socket end, and wherein socket end is set to the outside of sheath, and side of the socket end far from hollow bushing Equipped with plate, the both ends of the core are equipped with contact jaw, and contact jaw is set to the outside of hollow bushing, the attachment base It is followed successively by outer ring, centre circle and inner ring from outside to inside, wherein outer ring is detachably connected by screw and sheath, and inner ring is equipped with and line The through-hole of core adaptation and the female end being adapted to socket end.

2. a kind of environment-friendlyfireproof fireproof cable according to claim 1, it is characterised in that: the sheath is followed successively by from outside to inside Early warning layer, protective layer and high-temperature-resistant layer；Early warning layer is the discoloration coating made of temperature-sensing color-changing material；Protective layer is by glass fibre It weaves；High-temperature-resistant layer is made of halogen-free low-smoke flame retardant material.

3. a kind of environment-friendlyfireproof fireproof cable according to claim 1, it is characterised in that: the quantity of the core is one, Wherein core includes conductor, the several heat carriers being circumferentially evenly arranged on the outside of conductor is arranged in and are arranged outside several heat carriers The insulating layer of side, and high temperature resistant filler is equipped between adjacent heat carrier.

4. a kind of environment-friendlyfireproof fireproof cable according to claim 3, it is characterised in that: the heat carrier is by heat conductive insulating bullet Property rubber is made.

5. a kind of environment-friendlyfireproof fireproof cable according to claim 3, it is characterised in that: the high temperature resistant filler is by making pottery Porous ceramic particle made of porcelain.

6. a kind of environment-friendlyfireproof fireproof cable according to claim 1, it is characterised in that: the quantity of the core be it is several, The quantity of hollow bushing and the quantity of core are consistent, and hollow bushing is array arrangement or circumferentially evenly distributed.

7. a kind of environment-friendlyfireproof fireproof cable according to claim 6, it is characterised in that: the company of being equipped between the hollow bushing Fishplate bar, wherein hollow bushing and connecting plate are integrated setting, and hollow bushing and connecting plate are made of polytetrafluoroethylene (PTFE).

8. a kind of environment-friendlyfireproof fireproof cable according to claim 1, it is characterised in that: between the sheath and hollow bushing And fire prevention filler is equipped between hollow bushing and core, and filler of preventing fires is asbestos or mica.

9. a kind of environment-friendlyfireproof fireproof cable according to claim 1, it is characterised in that: the attachment base is by polytetrafluoroethylene (PTFE) It is made.

10. a kind of environment-friendlyfireproof fireproof cable according to claim 1, it is characterised in that: the outer ring circumferentially has At least two mounting holes being adapted to screw, and sheath is equipped with blind hole corresponding with position of mounting hole.