CN213459178U

CN213459178U - Cable is burnt in fire prevention and piecing devices thereof

Info

Publication number: CN213459178U
Application number: CN202022435689.4U
Authority: CN
Inventors: 龙景阳
Original assignee: Hubei Special Cable Group Co ltd
Current assignee: Hubei Special Cable Group Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-15
Anticipated expiration: 2030-10-28

Abstract

The utility model relates to the technical field of cables, a prevent fire and burn cable and piecing devices thereof is disclosed, including the cable main part, the fire prevention subassembly, the one end of cable main part is connected with the fire prevention subassembly, the cable main part includes the cable core, the insulating layer, protection component and armor, protection component includes first temperature insulation layer, fire-retardant pole, second temperature insulation layer, fire-retardant layer and spring, the surface on first temperature insulation layer is connected with many fire-retardant poles, distance between many fire-retardant poles equals, the second temperature insulation layer all is run through on the top of many fire-retardant poles, and the top of many fire-retardant poles all connects in the internal surface on fire-retardant layer, the spring has been cup jointed in the activity of many fire-retardant pole surface. Let the unable direct firing of flame to the cable core through protection component and fire prevention component, can make the cable main part preserve its integrality cable follow-up recycle once more by the most possible after the flame firing like this, carry out reuse, let the life-span of cable obtain strengthening greatly.

Description

Cable is burnt in fire prevention and piecing devices thereof

Technical Field

The utility model relates to the technical field of cables, collective is a fire prevention burns cable and piecing devices thereof.

Background

The cable is an electric energy or signal transmission device, usually comprises several or several groups of wire, at present because the development of society, and the demand of power consumption is increasing day by day, and the field that the cable relates to is more and more extensive, leads to the demand of cable growing in size more and more.

Since the cable is used in a wide range and the role of the cable is large, the cable is widely used and used, and a connector is used in a wide range in connection with the use of the cable since the connector is used in connection with every two cables.

Because the application range of the existing cable is wider, the cable can be laid in some dangerous environments, but once a fire happens, the cable and the joint of the connecting cable can be burnt and damaged, and the cable cannot be used again.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent fires cable and piecing devices thereof has solved among the prior art cable and cable joint and has received the problem of damage by the flame firing.

In order to solve the above problem, the utility model adopts the following technical scheme: a cable and a joint device thereof are prevented from being burnt, and the cable comprises a cable main body and a fireproof assembly, wherein one end of the cable main body is connected with the fireproof assembly;

the cable main body comprises a cable core, an insulating layer, a protective component and an armor layer;

the protection component comprises a first heat insulation layer, a flame-retardant rod, a second heat insulation layer, a flame-retardant layer and a spring, wherein the outer surface of the first heat insulation layer is connected with a plurality of flame-retardant rods, a plurality of distances between the flame-retardant rods are equal and a plurality of the top ends of the flame-retardant rods are all penetrated through the second heat insulation layer and a plurality of the top ends of the flame-retardant rods are all connected with the inner surface of the flame-retardant layer and a plurality of the outer surfaces of the flame-retardant rods are movably sleeved with the spring, a plurality of the top ends of the spring are all connected with the inner surface of the second heat insulation layer and a plurality of the bottom ends of the spring are all connected with the outer surface of.

Preferably, the outer surface of the cable core is fixedly sleeved with the insulating layer, and the outer surface of the insulating layer is fixedly sleeved with the first heat insulation layer.

Preferably, the armor layer is fixedly sleeved on the outer surface of the flame retardant layer.

Preferably, the fire prevention subassembly includes first connector link, fixed thread ring, thread protection cover, second connector link, separates temperature pipe and thread connection cover, first connector link is in the one end of cable main part, the external surface fixed of first connector link has cup jointed fixed thread ring, the surface thread of fixed thread ring has cup jointed the thread protection cover, fixed thread ring threaded connection in one side of thread protection cover internal surface, the second connector link connect in first connector link keeps away from the one end of cable main part, the surface of second connector link is connected with many separate the temperature pipe, many separate the top of temperature pipe all connect in the inner wall of thread connection cover, one side threaded connection of thread connection cover surface in the opposite side of thread protection cover internal surface.

Preferably, the material of the flame-retardant layer can be a woven steel layer.

Preferably, the first connecting fastener is fixedly sleeved at one end of the cable core.

The beneficial effects of the utility model are that, when can letting the cable be fired like this through be connected with protection component and fire prevention subassembly in the cable main part, let the unable direct firing of flame to the cable core through protection component and fire prevention subassembly, can make the cable main part preserve its integrality cable follow-up recycle once more by the most probable after the flame firing like this, carry out reuse, let the life-span of cable obtain strengthening greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an enlarged schematic view of the cable A of the present invention;

FIG. 3 is a schematic view of the inner joint of the present invention;

fig. 4 is an appearance schematic diagram of the joint of the present invention.

The reference numbers in the figures illustrate: 1. a cable core; 2. an insulating layer; 3. a first thermal insulation layer; 4. a flame retardant rod; 5. a second thermal insulation layer; 6. a flame retardant layer; 7. a spring; 8. an armor layer; 9. a cable body; 10. a first connecting buckle; 11. fixing the threaded ring; 12. a thread protecting sleeve; 13. a second connecting buckle; 14. a thermal insulation pipe; 15. a threaded connecting sleeve.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, a fire-proof cable and a connector device thereof, comprising a cable main body 9 and a fire-proof assembly, wherein one end of the cable main body 9 is connected with the fire-proof assembly;

the cable main body 9 comprises a cable core 1, an insulating layer 2, a protective component and an armor layer 8;

the protection component comprises a first heat insulation layer 3, flame-retardant rods 4, a second heat insulation layer 5, a flame-retardant layer 6 and springs 7, a plurality of flame-retardant rods 4 are fixedly connected to the outer surface of the first heat insulation layer 3, the distance between the flame-retardant rods 4 is equal, the top ends of the flame-retardant rods 4 are all penetrated through the second heat insulation layer 5, the top ends of the flame-retardant rods 4 are fixedly connected to the inner surface of the flame-retardant layer 6, the springs 7 are sleeved on the outer surfaces of the flame-retardant rods 4 in an all-movable mode, the top ends of the springs 7 are fixedly connected to the inner surface of the second heat insulation layer 5, and the bottom ends of the springs 7 are fixedly connected to the outer surface of the first heat insulation.

Wherein, the fixed insulating layer 2 that has cup jointed of surface of cable core 1, the fixed first heat insulating layer 3 that has connect of surface of insulating layer 2, its effect is that the fixed first heat insulating layer 3 that has connect of surface of cable core 1 can receive the protection of isolated most outside temperature.

Wherein, the fixed cover of surface of fire-retardant layer 6 has connect armor 8, and its effect armor 8 is inside the flame burning cable of cooperation fire-retardant layer 6 stopping flame burning.

Wherein, the fireproof component comprises a first connecting buckle 10, a fixed threaded ring 11, a threaded protective sleeve 12, a second connecting buckle 13, a thermal insulation pipe 14 and a threaded connecting sleeve 15, the first connecting buckle 10 is fixedly connected at one end of a cable main body 9, the outer surface of the first connecting buckle 10 is fixedly sleeved with the fixed threaded ring 11, the outer surface of the fixed threaded ring 11 is in threaded sleeve connection with the threaded protective sleeve 12, the fixed threaded ring 11 is in threaded connection with one side of the inner surface of the threaded protective sleeve 12, the second connecting buckle 13 is fixedly connected at one end of the first connecting buckle 10 far away from the cable main body 9, the outer surface of the second connecting buckle 13 is fixedly connected with a plurality of thermal insulation pipes 14, the top ends of the plurality of thermal insulation pipes 14 are fixedly connected with the inner wall of the threaded connecting sleeve 15, the outer surface of the threaded connecting sleeve 15 is connected, the function of the connection button is to protect the first connection button 10 and the second connection button 13 from being directly burned by flame.

The flame-retardant layer 6 can be made of a woven steel layer and has the function of resisting high temperature and flame.

The first connecting buckle 10 is fixedly sleeved at one end of the cable core 1, and is used for guiding the electricity of the cable core 1 out through the first connecting buckle 10.

When the fire-resistant cable core is in work, when an accidental fire happens to the working environment of the cable main body 9, most of the flame is resisted by the armor layer 8, then part of the flame is isolated by the flame-resistant layer 6, but the high temperature of the flame enables the temperature of the armor layer 8 and the flame-resistant layer 6 to be gradually increased, but the temperature cannot be in direct contact with the internal first heat-insulating layer 3, the temperature can be isolated by the second heat-insulating layer 5 and the first heat-insulating layer 3, the heat conductivity of the flame-resistant rod 4 is poor, the temperature entering the flame-resistant rod can be isolated by the first heat-insulating layer 3, so that the cable core 1 is protected, another cable is connected to the other end of the second connecting buckle 13, the flame is isolated by the thread protective sleeve 12 and the thread connecting sleeve 15 when the first connecting buckle 10 and the second connecting buckle 13 are to be burnt, the later temperature is isolated again by the heat-resistant pipe 14 and the fixed thread ring 11, and extends to the inside, so that the first, when the first connecting thread 10 and the fixed threaded ring 11 need to be removed, the threaded protection casing 12 is rotated so that the first connecting thread 10 and the fixed threaded ring 11 are removed after the threaded protection casing 12 is completely turned onto the threaded connection sleeve 15.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cable and piecing devices prevent burning fire, characterized by that, including cable body (9), fire-proof assembly, one end of the said cable body (9) connects with the said fire-proof assembly;

the cable main body (9) comprises a cable core (1), an insulating layer (2), a protective component and an armor layer (8);

the protection component comprises a first heat insulation layer (3), a flame-retardant rod (4), a second heat insulation layer (5), a flame-retardant layer (6) and a spring (7), wherein the outer surface of the first heat insulation layer (3) is connected with a plurality of flame-retardant rods (4) and a plurality of flame-retardant rods (4) are arranged at equal intervals and a plurality of the top ends of the flame-retardant rods (4) are all penetrated through the second heat insulation layer (5) and a plurality of the top ends of the flame-retardant rods (4) are all connected to the inner surface of the flame-retardant layer (6) and a plurality of the outer surface of the flame-retardant rods (4) are movably sleeved with the spring (7) and a plurality of the top ends of the spring (7) are connected to the inner surface of the second heat insulation layer (5) and a plurality of the bottom ends of the spring (7) are connected to the outer surface of the first.

2. The cable and the joint device thereof according to claim 1, wherein the insulation layer (2) is fixedly sleeved on the outer surface of the cable core (1), and the first thermal insulation layer (3) is fixedly sleeved on the outer surface of the insulation layer (2).

3. A cable and its connector device as claimed in claim 1, wherein the outer surface of the flame retardant layer (6) is fixedly sleeved with the armor layer (8).

4. The cable and the joint device thereof according to claim 1, wherein the fireproof component comprises a first connection buckle (10), a fixed threaded ring (11), a threaded protection sleeve (12), a second connection buckle (13), a thermal insulation pipe (14) and a threaded connection sleeve (15), the first connection buckle (10) is connected to one end of the cable main body (9), the fixed threaded ring (11) is fixedly sleeved on the outer surface of the first connection buckle (10), the threaded protection sleeve (12) is sleeved on the outer surface of the fixed threaded ring (11), the fixed threaded ring (11) is in threaded connection with one side of the inner surface of the threaded protection sleeve (12), the second connection buckle (13) is connected to one end of the first connection buckle (10) far away from the cable main body (9), the outer surface of the second connection buckle (13) is connected with a plurality of thermal insulation pipes (14), the top ends of the heat insulation pipes (14) are connected to the inner wall of the threaded connecting sleeve (15), and one side of the outer surface of the threaded connecting sleeve (15) is in threaded connection with the other side of the inner surface of the threaded protective sleeve (12).

5. A fire-resistant cable and its joint device according to claim 1, wherein the fire-resistant layer (6) is made of woven steel.

6. A cable and splice device thereof as claimed in claim 4, wherein said first connector link (10) is fixedly attached to one end of said cable core (1).