CN217788054U

CN217788054U - Fire-retardant tensile type power cord of preventing fires

Info

Publication number: CN217788054U
Application number: CN202221293248.8U
Authority: CN
Inventors: 叶德波
Original assignee: Dongguan Licheng Electronics Co ltd
Current assignee: Dongguan Licheng Electronics Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-11-11
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a fireproof and flame-retardant tensile power line, which comprises a conducting wire, a first plug connector, a second plug connector and a fireproof protective sleeve; the fireproof protective sleeve is a ceramic flame-retardant protective sleeve, the fireproof protective sleeve is arranged on the outer side of the lead, and a fireproof heat-insulating material is filled between the fireproof protective sleeve and the lead; the wire comprises a conductor, an insulating layer, a twisted wire layer, an outer tegument and a tensile layer, wherein the tensile layer comprises a first tensile layer and a second tensile layer, and the first tensile layer, the insulating layer, the twisted wire layer, the second tensile layer and the outer tegument are sequentially arranged outside the conductor from inside to outside; so, through the design of wire and fire prevention protective sheath to avoid the power cord to burn the wire and blow when receiving the burning of the burning things which may cause a fire disaster, improved the fire prevention fire behaviour of power cord, simultaneously, utilize the setting on first tensile layer and the second tensile layer, broken the conductor when having avoided the power cord to bear too big pulling force, guaranteed the normal use of power cord, improved the life of power cord, application scope is wide.

Description

Fireproof and flame-retardant tensile power line

Technical Field

The utility model belongs to the technical field of the power cord technique and specifically relates to indicate a fire-retardant tensile type power cord prevents fires.

Background

At present, the electric wire and cable refer to materials used for electric power, communication and related purposes, and with the development of society, power lines are more and more widely applied to various fields, such as transportation, communication, buildings and the like; therefore, the demand for power supply lines is also increasing; the power supply connecting wire is a power supply wire for connecting a power supply and equipment and plays a role in transmitting current; the structure of the traditional power line is not very complex, and the structure of the power line mainly comprises one or more wire cores and an aggregation which is composed of an insulating layer, a protective layer, a shielding layer, a sheath layer and other members and is used for transmitting electric energy and information and realizing electromagnetic energy conversion.

Present power cord fire prevention fire behaviour is not good enough, when meetting the conflagration, the power cord is burnt by the burning of burning things which may cause a fire disaster easily and will blow for the communication interruption of scene of fire and external world, and lighting apparatus's power supply interruption, greatly increased danger, and in addition, the tensile strength of power cord is not good, when pulling, whole power cord bears the pulling force, if the pulling force is too big, just can lead to the inside conductor fracture of power cord, lead to scrapping of whole power cord, and life is short, and application scope is little.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a fire-retardant tensile type power cord prevents fires, and it passes through the design of wire and fire protection cover, has improved the fire prevention fire behaviour of power cord, simultaneously, utilizes the setting on first tensile layer and the second tensile layer, breaks the conductor when having avoided the power cord to bear too big pulling force, has guaranteed the normal use of power cord, and application scope is wide.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fireproof flame-retardant tensile power line comprises a lead, a first plug connector, a second plug connector and a fireproof protective sleeve; wherein: the fireproof protective sleeve is a ceramic flame-retardant protective sleeve, the fireproof protective sleeve is arranged on the outer side of the lead, and a fireproof heat-insulating material is filled between the fireproof protective sleeve and the lead; the wire comprises a conductor, an insulating layer, a twisted wire layer, an outer tegument and a tensile layer, wherein the tensile layer comprises a first tensile layer and a second tensile layer, and the first tensile layer, the insulating layer, the twisted wire layer, the second tensile layer and the outer tegument are sequentially arranged outside the conductor from inside to outside; the first plug is arranged at one end of the wire and is connected with the wire in a conduction mode, and the second plug is arranged at the other end of the wire and is connected with the wire in a conduction mode.

Preferably, the surface of the fireproof protective sleeve is sprayed with a waterproof coating.

Preferably, the waterproof coating is a polymer cement-based waterproof coating.

Preferably, the refractory and heat-insulating material is asbestos.

Preferably, the first tensile layer and the second tensile layer are both glass fiber layers.

As a preferred scheme, the first plug is arranged at the left end of the wire, the first plug comprises a first insulating head and a first plug end, and the first plug end is arranged on the first insulating head in an embedded manner and is in conduction connection with the wire; the second plug is arranged at the right end of the wire and comprises a second insulating head and a second plug end, and the second plug end is arranged on the second insulating head in an embedded mode and is in conduction connection with the wire.

As a preferred scheme, a buckling piece connected with the equipment buckle is arranged on the first inserting end.

As a preferred scheme, a fool-proof portion is further arranged on the first inserting end, the fool-proof portion is arranged at the rear end of the first inserting end, and the buckling piece is arranged at the front end of the first inserting end.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, known from the above technical scheme, it is mainly through the design of wire and fire prevention protective sheath, utilize fire prevention protective sheath and fire-resistant thermal insulation material in order to avoid the power cord to burn the wire and blow when receiving the burning of the fire source, improved the fire prevention fire behavior of power cord, simultaneously, utilize the setting of first tensile layer and second tensile layer, avoided the power cord to bear the conductor to break when too big pulling force, guaranteed the normal use of power cord, improved the life of power cord, application scope is wide;

secondly, the waterproof coating is arranged, so that the phenomenon that the power line is wet and enters water is avoided, the durability of the power line is ensured, and the usability is good;

and the arrangement of the buckling part is beneficial to the installation and connection between the power line and the equipment, and meanwhile, the arrangement of the fool-proof part ensures the accuracy of connection between the power line and the equipment.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a wire and a fire-protecting jacket according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a first connector according to an embodiment of the present invention.

Description of the figures:

10. lead wire 11, conductor

12. Insulating layer 13, stranded wire layer

14. Outer coating 151 and first tensile layer

152. Second tensile layer 16, magnetic ring

20. First plug connector 21 and first insulation head

22. First plug-in end 23, detain position piece

24. Fool-proof part 30 and second plug connector

31. Second insulating head 32, second plug end

40. Fireproof protective cover 41 and fireproof heat insulating material

42. And (3) a waterproof coating.

Detailed Description

Fig. 1 to fig. 3 show specific structures of embodiments of the present invention.

A fireproof flame-retardant tensile power line comprises a wire 10, a first plug connector 20, a second plug connector 30 and a fireproof protective sleeve 40; wherein:

the fireproof protection sleeve 40 is a ceramic flame-retardant protection sleeve, the fireproof protection sleeve 40 is arranged on the outer side of the lead 10, a fireproof heat-insulating material 41 is filled between the fireproof protection sleeve 40 and the lead 10, and the fireproof heat-insulating material 41 is asbestos.

The lead 10 comprises a conductor 11, an insulating layer 12, a stranded wire layer 13, an outer coating layer 14 and a tensile layer, wherein the tensile layer comprises a first tensile layer 151 and a second tensile layer 152, the first tensile layer 151, the insulating layer 12, the stranded wire layer 13, the second tensile layer 152 and the outer coating layer 14 are sequentially arranged outside the conductor 11 from inside to outside, the conductor 11 is formed by gluing 115 tinned copper wires with the thickness of 0.12mm at a certain twisting pitch, the stranded wire layer 13 is formed by gluing 115 tinned copper wires with the thickness of 0.12mm and is wound outside the insulating layer 12, and the first tensile layer 151 and the second tensile layer 152 are both glass fiber layers; preferably, the wire 10 is provided with a magnetic ring 16 to effectively avoid signal interference, and the practicability is strong;

the first plug 20 is arranged at one end of the wire 10 and is connected with the wire 10 in a conduction manner, and the second plug 30 is arranged at the other end of the wire 10 and is connected with the wire 10 in a conduction manner; so, through the design of wire and fire prevention protective sheath, utilize fire prevention protective sheath and fire-resistant thermal insulation material in order to avoid the power cord to burn the wire and blow when receiving the burning of the flame source, improved the fire prevention fire behavior of power cord, simultaneously, utilize the setting on first tensile layer and the second tensile layer, broken the conductor when having avoided the power cord to bear too big pulling force, guaranteed the normal use of power cord, improved the life of power cord, application scope is wide.

Generally, the first plug 20 is disposed at the left end of the wire 10, the first plug 20 includes a first insulation plug 21 and a first plug end 22, and the first plug end 22 is disposed on the first insulation plug 21 in an embedded manner and is in conductive connection with the wire 10; the second plug 30 is disposed at the right end of the wire 10, the second plug 30 includes a second insulating plug 31 and a second plug end 32, and the second plug end 32 is disposed on the second insulating plug 31 in an embedded manner and is connected to the wire 10 in a conduction manner.

In addition, a fastening piece 23 which is connected with the equipment in a buckling manner is arranged on the first inserting end 22, a fool-proof part 24 is also arranged on the first inserting end 22, the fool-proof part 24 is arranged at the rear end of the first inserting end 22, and the fastening piece 23 is arranged at the front end of the first inserting end 22; so, detain the setting of position spare, be favorable to the erection joint between power cord and the equipment, simultaneously, prevent the setting of slow-witted portion, guaranteed the accuracy of being connected between power cord and the equipment.

And, the surface of the fireproof protection sleeve 40 is sprayed with a waterproof coating 42, preferably, the waterproof coating 42 is a polymer cement-based waterproof coating, so that the waterproof coating prevents the power line from being wetted and entering water, thereby ensuring the durability of the power line and having good usability.

The utility model is mainly characterized in that through the design of the wire and the fireproof protective sleeve, the fireproof protective sleeve and the fireproof heat-insulating material are utilized to prevent the wire from burning and burning out when the power line is burnt by a fire source, thereby improving the fireproof and flame-retardant performance of the power line;

and the setting of detaining the position piece, be favorable to the erection joint between power cord and the equipment, simultaneously, prevent the setting of slow-witted portion, guaranteed the accuracy of being connected between power cord and the equipment.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a fire prevention fire-retardant tensile type power cord which characterized in that: comprises a lead, a first plug connector, a second plug connector and a fireproof protective sleeve; wherein: the fireproof protective sleeve is a ceramic flame-retardant protective sleeve, the fireproof protective sleeve is arranged on the outer side of the lead, and a fireproof heat-insulating material is filled between the fireproof protective sleeve and the lead; the wire comprises a conductor, an insulating layer, a twisted wire layer, an outer tegument and a tensile layer, wherein the tensile layer comprises a first tensile layer and a second tensile layer, and the first tensile layer, the insulating layer, the twisted wire layer, the second tensile layer and the outer tegument are sequentially arranged outside the conductor from inside to outside; the first plug is arranged at one end of the wire and is connected with the wire in a conduction mode, and the second plug is arranged at the other end of the wire and is connected with the wire in a conduction mode.

2. The fire-resistant and flame-retardant tension-resistant power cord of claim 1, wherein: and a waterproof coating is sprayed on the surface of the fireproof protective sleeve.

3. The fire-resistant and flame-retardant tension-resistant power cord of claim 2, wherein: the waterproof coating is a polymer cement-based waterproof coating.

4. The fireproof flame-retardant tensile power cord according to claim 1, wherein: the refractory heat-insulating material is asbestos.

5. The fireproof flame-retardant tensile power cord according to claim 1, wherein: the first tensile layer and the second tensile layer are both glass fiber layers.

6. The fire-resistant and flame-retardant tension-resistant power cord of claim 1, wherein: the first plug is arranged at the left end of the lead and comprises a first insulating head and a first plug end, and the first plug end is arranged on the first insulating head in an embedded manner and is in conduction connection with the lead; the second plug is arranged at the right end of the wire and comprises a second insulating head and a second plug end, and the second plug end is arranged on the second insulating head in an embedded mode and is in conduction connection with the wire.

7. The fire-resistant and flame-retardant tension-resistant power cord of claim 6, wherein: and the first inserting end is provided with a buckling part connected with the equipment buckle.

8. The fireproof flame-retardant tensile power cord according to claim 7, wherein: the first inserting end is further provided with a fool-proof portion, the fool-proof portion is arranged at the rear end of the first inserting end, and the buckling piece is arranged at the front end of the first inserting end.