CN218159681U

CN218159681U - Impact-resistant wire and cable with dual fireproof protection

Info

Publication number: CN218159681U
Application number: CN202221420943.6U
Authority: CN
Inventors: 汪应昌; 彭又宏; 王义友; 叶丽
Original assignee: Huangshi Changda Wires & Cable Co ltd
Current assignee: Huangshi Changda Wires & Cable Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-12-27
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a dual fire protection's shock resistance wire and cable, including the core group, the outside parcel of core group has the elastic protection layer, and the outside parcel of elastic protection layer has dual flame retardant coating, and the outside parcel of dual flame retardant coating has the armor protective layer, and dual flame retardant coating includes the fire-retardant film that is located the skin, and evenly distributed has a plurality of pearls of putting out a fire between fire-retardant film and the core group; the utility model relates to a wire and cable technical field, this dual fire protection's wire and cable that shocks resistance, it puts out a fire a plurality of pearls of putting out a fire to organize the outside through online core, it is soft spherical structure to put out a fire the pearl, better elasticity has, can improve the compressive property of cable, the pearl watchcase of putting out a fire is being burned and brokenly at internal core group simultaneously, its inside insulating waterborne fire extinguishing agent can flow and put out a fire to the part of putting out a fire, and can further aggravate the short circuit, and wrap up flame retardant film externally, can block outside flame damage, inside and outside duplicate protection, the safety in utilization has effectively been improved.

Description

Impact-resistant wire and cable with dual fireproof protection

Technical Field

The utility model relates to a wire and cable technical field specifically is a dual fire protection's wire and cable that shocks resistance.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

The existing cable is generally insulated and protected by wrapping a plastic sheath outside a wire core, the strength of the cable completely depends on the plastic sheath, but the solid cable is poor in compression resistance, when the cable is subjected to large impact force, the cable is easily flattened to cause internal damage or even breakage of the wire sheath and short circuit, and if the existing wire cable is broken or too high in internal heat, the short circuit can be caused, so that the wire cable is burnt out, and even a large-area fire disaster is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a dual fire protection's electric wire and cable shocks resistance has solved its compressive property of current cable poor, when receiving great impact force, is flattened easily and leads to internal damage or even line skin to break and the short circuit, and when current electric wire and cable short circuit, can burn out electric wire and cable's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a dual fire protection's shock resistance wire and cable, includes the core group, the outside parcel of core group has the elastic protection layer, and the outside parcel of elastic protection layer has dual fire prevention layer, the outside parcel of dual fire prevention layer has the armor protective layer.

The dual fire-proof layer comprises a flame-retardant film positioned on the outer layer, and a plurality of fire-extinguishing beads are uniformly distributed between the flame-retardant film and the wire core group.

The fire extinguishing bead comprises an insulating soft shell, and an insulating water-based fire extinguishing agent is filled in the insulating soft shell.

Preferably, the elastic protection layer comprises an elastic air bag ring pipe and a memory metal ring which are uniformly sleeved outside the wire core group, and a plurality of elastic air bag ring pipes are arranged between every two adjacent memory metal rings.

Preferably, the elastic air bag ring pipe and the memory metal ring are wrapped by the elastic supporting pipe, and the surface of the elastic supporting pipe is uniformly provided with a plurality of through holes.

Preferably, the armor protective layer comprises a flame-retardant foam buffer sleeve wrapped outside the dual fire-proof layer 3, and a woven metal wire reinforcing layer is wrapped outside the flame-retardant foam buffer sleeve.

Preferably, a metal shielding film is wound outside the woven metal wire reinforcing layer, and an armor sheath is wrapped outside the metal shielding film.

Preferably, a plurality of grooves are uniformly formed in the outer portion of the armor sheath in the radial direction.

Advantageous effects

The utility model provides a dual fire protection's wire and cable shocks resistance. Compared with the prior art, the method has the following beneficial effects:

(1) This dual fire protection's wire and cable shocks resistance, through organizing the outside a plurality of pearls of putting out a fire that set up of online core, the pearl of putting out a fire is soft spherical structure, better elasticity has, can improve the compressive property of cable, burn and break the pearl watchcase of putting out a fire in inside core group simultaneously, its inside insulating waterborne fire extinguishing agent can flow and put out a fire to the part of being fired, and can not further aggravate the short circuit, and outside parcel flame retardant film, can block outside flame injury, inside and outside dual protection, the safety in utilization has effectively been improved.

(2) This dual fire protection's wire and cable that shocks resistance establishes elasticity gasbag ring pipe and memory becket through online core group overcoat, can carry out the resistance to compression support, and elasticity gasbag ring pipe buffering most pressure, and the memory becket tramples and warp the back, can absorb the heat that produces when using and resume original form, carries out permanent support protection, again in outside parcel elasticity stay tube, can further improve resistance to compression buffering ability.

(3) This dual fire protection's wire and cable shocks resistance, through set up fire-retardant foam buffer sleeve at the skin, one of them side possesses inside and outside two-sided fire behaviour, possess elastic buffer performance simultaneously, improve the protection effect, and set up the ability of preventing puncturing that the establishment wire strengthening layer can improve the cable, it possesses the signal shielding effect to set up the metallic shield membrane, prevent external signal interference, and set up the recess on outside armor crust, can improve compressive property on the one hand, on the other hand can improve anti-distortion performance, and then the bulk strength of having opened the cable has been improved.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a perspective view of the wire core assembly, the elastic air bag collar and the memory metal ring of the present invention.

In the figure: 1-wire core group, 2-elastic protection layer, 21-elastic air bag ring pipe, 22-memory metal ring, 23-elastic support pipe, 24-through hole, 3-double fireproof layer, 31-flame-retardant film, 32-fire-extinguishing bead, 321-insulating soft shell, 322-insulating water-based fire extinguishing agent, 4-armored protection layer, 41-flame-retardant foam buffer sleeve, 42-woven metal wire reinforcement layer, 43-metal shielding film, 44-armored outer skin and 45-groove.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a dual fire protection's wire and cable that shocks resistance, includes sinle silk group 1, and the outside parcel of sinle silk group 1 has elastic protection layer 2, and the outside parcel of elastic protection layer 2 has dual flame retardant coating 3, and the outside parcel of dual flame retardant coating 3 has armor protective layer 4.

The double fireproof layer 3 comprises a flame-retardant film 31 positioned on the outer layer, a plurality of fire extinguishing beads 32 are uniformly distributed between the flame-retardant film 31 and the wire core group 1, each fire extinguishing bead 32 comprises an insulating soft shell 321, and an insulating water-based fire extinguishing agent 322 is filled in the insulating soft shell 321. Through setting up a plurality of pearls 32 of putting out a fire in core group 1 outside on line, the pearl 32 of putting out a fire is soft spherical structure, better elasticity has, can improve the compressive property of cable, burn and burst the pearl 32 watchcase of putting out a fire in core group 1 inside simultaneously, its inside insulating waterborne fire extinguishing agent 322 can flow and put out a fire to the part of being on fire, and can not further aggravate the short circuit, and outside parcel flame retardant film 31, can block outside flame injury, inside and outside duplicate protection, the safety in utilization has effectively been improved.

Elastic protection layer 2 establishes at the outside elasticity gasbag ring canal 21 and the memory becket 22 of 1 of line core group including even cover, and is provided with multichannel elasticity gasbag ring canal 21 between the adjacent twice memory becket 22, and elasticity gasbag ring canal 21 wraps up elasticity stay tube 23 with the outside of memory becket 22 jointly, and a plurality of through-holes 24 have evenly been seted up on elasticity stay tube 23 surface. Establish elasticity gasbag ring pipe 21 and memory becket 22 through organizing the overcoat at line core 1, can carry out the resistance to compression support, the most pressure of elasticity gasbag ring pipe 21 buffering, and memory becket 22 steps on the deformation back, can absorb the heat that produces when using and resume original form, carries out permanent support protection, again outside parcel elasticity stay tube 23, can further improve resistance to compression buffer capacity.

Armor protective layer 4 has a establishment wire strengthening layer 42 including wrapping up at the outside fire-retardant foam buffer pipe 41 of dual flame retardant coating 3, fire-retardant foam buffer pipe 41's outside parcel, and the outside coiling of establishment wire strengthening layer 42 has metallic shielding film 43, and the outside parcel of metallic shielding film 43 has armor crust 44, and a plurality of recesses 45 have radially evenly been seted up to the outside of armor crust 44. Through set up fire-retardant foam buffer tube 41 in the skin, its one side possesses inside and outside double-sided flame retardant property, possess elastic buffer property simultaneously, improve the protection effect, and set up and weave the puncture-proof ability that wire strengthening layer 42 can improve the cable, it possesses the signal shielding effect to set up metallic shield membrane 43, prevent external signal interference, and set up recess 45 on outermost armor crust 44, can improve compressive property on the one hand, on the other hand can improve anti-distortion performance, and then improved the bulk strength of opening the cable.

And those not described in detail in this specification are well within the skill of those in the art.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 dual fire protection's wire and cable that shocks resistance, includes sinle silk group (1), its characterized in that: the outside parcel of core group (1) has elastic protection layer (2), and the outside parcel of elastic protection layer (2) has dual flame retardant coating (3), the outside parcel of dual flame retardant coating (3) has armor protective layer (4), dual flame retardant coating (3) are including being located outer fire-retardant film (31), evenly distributed has a plurality of pearls of putting out a fire (32) between fire-retardant film (31) and core group (1), the pearl of putting out a fire (32) are including insulating soft shell (321), and the inside packing of insulating soft shell (321) has insulating waterborne fire extinguishing agent (322).

2. The impact-resistant electric wire and cable with double fire protection according to claim 1, wherein: the elastic protection layer (2) comprises an elastic air bag ring pipe (21) and a memory metal ring (22) which are uniformly sleeved outside the wire core group (1), and a plurality of elastic air bag ring pipes (21) are arranged between every two adjacent memory metal rings (22).

3. A dual fire-protected ballistic resistant electrical wire and cable according to claim 2 wherein: the elastic air bag ring pipe (21) and the memory metal ring (22) are wrapped by an elastic support pipe (23) together, and a plurality of through holes (24) are uniformly formed in the surface of the elastic support pipe (23).

4. The impact-resistant electric wire and cable with double fire protection according to claim 1, wherein: the armor protective layer (4) comprises a flame-retardant foam buffer sleeve (41) wrapped outside the double-fireproof layer (3), and a woven metal wire reinforcing layer (42) wraps the flame-retardant foam buffer sleeve (41).

5. The impact-resistant electric wire and cable with double fire protection according to claim 4, wherein: the metal shielding film (43) is wound outside the woven metal wire reinforcing layer (42), and the armor outer skin (44) is wrapped outside the metal shielding film (43).

6. The impact-resistant electric wire and cable with double fire protection according to claim 5, wherein: a plurality of grooves (45) are uniformly formed in the radial direction of the outer portion of the armor outer skin (44).