CN211208056U

CN211208056U - Fireproof and waterproof cable

Info

Publication number: CN211208056U
Application number: CN201922502644.1U
Authority: CN
Inventors: 朱卫燕; 朱士坚
Original assignee: Yangzhou Xunxiang Cable Co ltd
Current assignee: Yangzhou Xunxiang Cable Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-07
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a fireproof and waterproof cable, which comprises an outer protective layer, wherein an anti-skid lug is arranged on the outer side of the outer protective layer, a first waterproof layer is arranged on the inner side of the outer protective layer, a connecting block is arranged on the outer side of the first waterproof layer, a connecting groove is formed in the inner side of the outer protective layer, the connecting block is positioned in the connecting groove, a shielding layer is arranged in the fireproof filler, an insulating layer is arranged in the shielding layer, and a conductor is arranged in the insulating layer; the utility model discloses the material of second waterproof layer and first waterproof layer is ethylene-propylene copolymer elastomer processing and forms to can prevent effectively that the drop of water from radially invading the cable, the outside design of second waterproof layer is serration structure simultaneously, and the second waterproof layer is connected for the block with first waterproof layer, has increased the area of contact between second waterproof layer and the first waterproof layer, thereby has further promoted waterproof effect, has reduced the probability of short circuit, has promoted the security of cable.

Description

Fireproof and waterproof cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to fire and water proof's cable.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors, at least two in each group, each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The device is erected in the air or installed underground or underwater for telecommunication or power transmission.

However, in the existing cable, moisture often enters the inside of the cable body, so that not only can a system short circuit occur, but also normal use of instrument and equipment can be seriously affected, and much inconvenience is brought to people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof cable of preventing fires to solve the problem that proposes 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 and waterproof cable, includes the outer jacket, the outside of outer jacket is provided with anti-skidding lug, the inboard of outer jacket is provided with first waterproof layer, the outside of first waterproof layer is provided with the connecting block, the spread groove has been seted up to the inboard of outer jacket, the connecting block is located the inside of spread groove, the inboard of first waterproof layer is provided with the second waterproof layer, the inboard of second waterproof layer is provided with fire-proof filler, the outside of fire-proof filler is provided with the spacing groove, the inboard of second waterproof layer is fixed with the gag lever post, the gag lever post is located the inside of spacing groove, the inside of fire-proof filler is provided with the shielding layer, the inside of shielding layer is provided with the insulating layer, the inside of insulating layer is provided with.

Preferably, the vertical section of the anti-slip bump is designed to be an arc-shaped structure, and the anti-slip bump is distributed at equal angles with respect to the central axis of the outer protective layer.

Preferably, the vertical section of the connecting block is designed to be a trapezoidal structure, and the connecting block is connected with the connecting groove in a clamping manner.

Preferably, the outer side of the second waterproof layer is designed to be a sawtooth structure, and the second waterproof layer is connected with the first waterproof layer in a clamping mode.

Preferably, the limiting rod is distributed at equal angles about the central axis of the fireproof filler, and the limiting rod is connected with the limiting groove in a clamping manner.

Preferably, the inner side of the fireproof filler is attached to the outer side of the shielding layer, and the shielding layer is distributed at equal angles relative to the central axis of the fireproof filler.

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

1. the second waterproof layer is formed by processing an ethylene-propylene copolymer elastomer with the first waterproof layer, so that water drops can be effectively prevented from radially invading the cable, meanwhile, the outer side of the second waterproof layer is designed to be of a saw-toothed structure, the second waterproof layer is connected with the first waterproof layer in a clamping manner, the contact area between the second waterproof layer and the first waterproof layer is increased, the waterproof effect is further improved, the probability of short circuit is reduced, and the safety of the cable is improved.

2. The material of fire prevention filler is high temperature resistant glass fiber silk, has guaranteed that when a conductor catches fire, can not influence other conductors, has promoted the security of cable from the.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 according to the present invention;

in the figure: 1. an outer jacket; 2. an anti-slip bump; 3. a first waterproof layer; 4. connecting blocks; 5. connecting grooves; 6. a second waterproof layer; 7. a fire-resistant filler; 8. a limiting rod; 9. a limiting groove; 10. a shielding layer; 11. an insulating layer; 12. a conductor.

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. 1-3, the present invention provides a technical solution: the utility model provides a fireproof and waterproof cable, including outer jacket 1, the outside of outer jacket 1 is provided with skid-proof block 2, the inboard of outer jacket 1 is provided with first waterproof layer 3, the outside of first waterproof layer 3 is provided with connecting block 4, spread groove 5 has been seted up to outer jacket 1's inboard, connecting block 4 is located spread groove 5's inside, the inboard of first waterproof layer 3 is provided with second waterproof layer 6, the inboard of second waterproof layer 6 is provided with fire-proof filler 7, the outside of fire-proof filler 7 is provided with spacing groove 9, second waterproof layer 6's inboard is fixed with spacing rod 8, spacing rod 8 is located the inside of spacing groove 9, the inside of fire-proof filler 7 is provided with shielding layer 10, the inside of shielding layer 10 is provided with insulating layer 11, the inside of insulating layer 11 is provided with conductor.

The vertical section of skid proof block 2 designs for the arc structure, and skid proof block 2 is the angular distribution such as central axis about outer jacket 1, and the material of skid proof block 2 adopts rubber to the coefficient of friction in the outer side of outer jacket 1 has been increased, thereby the convenience is to taking of outer jacket 1.

The vertical section of connecting block 4 designs for trapezium structure, and connecting block 4 is connected for the block with spread groove 5, has increased the joint strength between outer jacket 1 and first waterproof layer 3 to relative movement has been avoided taking place between outer jacket 1 and the first waterproof layer 3.

The outside design of second waterproof layer 6 is serration structure, second waterproof layer 6 is connected for the block with first waterproof layer 3, second waterproof layer 6 is ethylene-propylene copolymer elastomer processing with the material of first waterproof layer 3 and forms to can prevent effectively that the drop of water from radially invading the cable, increased the area of contact between second waterproof layer 6 and the first waterproof layer 3 simultaneously, thereby further promoted waterproof effect, reduced the probability of short circuit, promoted the security of cable.

The gag lever post 8 is connected for the block with spacing groove 9 about the central axis angular distribution of fire prevention filler 7, gag lever post 8, and the material of fire prevention filler 7 is high temperature resistant glass fiber silk, when having guaranteed that a conductor 12 is on fire, can not influence other conductor 12, has increased joint strength simultaneously.

The inner side of the fireproof packing 7 and the outer side of the shielding layer 10 are mutually attached, and the shielding layer 10 is distributed at equal angles relative to the central axis of the fireproof packing 7, so that the shielding layer 10 can be independently used.

The utility model discloses a theory of operation and use flow: the device is when using, at first second waterproof layer 6 and first waterproof layer 3's material are ethylene-propylene copolymer elastomer processing and form, thereby can prevent effectively that the drop of water from radially invading the cable, second waterproof layer 6's outside design is serration structure simultaneously, second waterproof layer 6 is connected for the block with first waterproof layer 3, the area of contact between second waterproof layer 6 and the first waterproof layer 3 has been increased, thereby waterproof effect has further been promoted, the probability of short circuit has been reduced, the security of cable has been promoted, the material of fire prevention filler 7 is high temperature resistant glass fiber silk, when having guaranteed that a conductor 12 fires, can not influence other conductor 12, from the security that has promoted the cable.

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. A fireproof and waterproof cable comprises an outer protective layer (1), and is characterized in that: the anti-skid block is characterized in that an anti-skid block (2) is arranged on the outer side of the outer protective layer (1), a first waterproof layer (3) is arranged on the inner side of the outer protective layer (1), a connecting block (4) is arranged on the outer side of the first waterproof layer (3), a connecting groove (5) is formed in the inner side of the outer protective layer (1), the connecting block (4) is located inside the connecting groove (5), a second waterproof layer (6) is arranged on the inner side of the first waterproof layer (3), fireproof filler (7) is arranged on the inner side of the second waterproof layer (6), a limiting groove (9) is formed in the outer side of the fireproof filler (7), a limiting rod (8) is fixed on the inner side of the second waterproof layer (6), the limiting rod (8) is located inside the limiting groove (9), a shielding layer (10) is arranged inside the fireproof filler (7), and an insulating layer (11), a conductor (12) is arranged inside the insulating layer (11).

2. A fire and water resistant cable according to claim 1, wherein: the vertical section of the anti-skid lugs (2) is designed to be of an arc-shaped structure, and the anti-skid lugs (2) are distributed at equal angles relative to the central axis of the outer protective layer (1).

3. A fire and water resistant cable according to claim 1, wherein: the vertical section of the connecting block (4) is designed to be of a trapezoidal structure, and the connecting block (4) is connected with the connecting groove (5) in a clamping mode.

4. A fire and water resistant cable according to claim 1, wherein: the outer side of the second waterproof layer (6) is designed to be of a sawtooth structure, and the second waterproof layer (6) is connected with the first waterproof layer (3) in a clamping mode.

5. A fire and water resistant cable according to claim 1, wherein: the limiting rod (8) is distributed in an equal angle mode about the central axis of the fireproof packing (7), and the limiting rod (8) is connected with the limiting groove (9) in a clamping mode.

6. A fire and water resistant cable according to claim 1, wherein: the inner side of the fireproof filler (7) is attached to the outer side of the shielding layer (10), and the shielding layer (10) is distributed at equal angles relative to the central axis of the fireproof filler (7).