CN217113878U

CN217113878U - Fire-retardant type wire and cable prevents fires

Info

Publication number: CN217113878U
Application number: CN202220957129.1U
Authority: CN
Inventors: 张玉鹏
Original assignee: Heilongjiang Yida Wire & Cable Co ltd
Current assignee: Heilongjiang Yida Wire & Cable Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-02
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a wire and cable technical field discloses a fire prevention fire-retardant type wire and cable, including outer protective housing, the inside fixed waterproof layer that is provided with of outer protective housing, the inside fixed first fire-retardant layer that is provided with of waterproof layer, the fixed first insulation layer that is provided with in first fire-retardant in situ portion, the fixed four inner protective housings that are provided with in first insulation in situ portion, four the inner protective housing is inside all fixed a plurality of spring rods that are provided with in both ends from top to bottom, upper and lower both ends the equal fixedly connected with cowl of one end of inner protective housing is kept away from to the spring rod. The utility model discloses in, the device sets up outer protective housing and inner protective housing, is provided with first fire-retardant layer, first insulation layer and the fire-retardant layer of second, second insulating layer in outer protective housing and the inner protective housing respectively, and first fire-retardant layer and the fire-retardant layer material of second are fire prevention silica gel piece, have better guaranteed the fire prevention fire behavior of cable to the condition and the electric leakage condition of spontaneous combustion can not appear, use safelyr.

Description

Fire-retardant type wire and cable prevents fires

Technical Field

The utility model relates to a wire and cable field especially relates to a fire prevention fire-retardant type wire and cable.

Background

The electric wire cable is a wire product for transmitting electric energy and electric signals and realizing electromagnetic energy conversion, the cable usually consists of a cable core for transmitting electric power or electric signals and a sheath for protecting and insulating, one or more cable cores are provided, the cable with the thinner diameter is usually called as an electric wire, some electric wires are not provided with an insulating sheath and are called as a bare wire, the cable cores in the cable are made of metal materials with good electric conductivity, copper (good electric conductivity) or aluminum (low cost) is usually used, but when the existing electric wire cable is used in an environment with higher humidity, the flame-retardant cable needs to be replaced for a period of time, the production cost is higher, and time and labor are wasted.

Through search, the prior patent (publication number: CN201620549218.7) discloses a wire and cable, which does not need to coat an insulating material on the outside of the conductor, thus effectively reducing the material usage, but has the problems of fire resistance, flame retardance and the like, thereby reducing the service life and practicability thereof, therefore, the technicians in this field provide a fire-resistant wire and cable to solve the problems proposed in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the fire prevention type wire and cable that proposes, the device sets up outer protective housing and inner protective housing, be provided with first fire-retardant layer in outer protective housing and the inner protective housing respectively, the fire-retardant layer of first insulation layer and second, the second insulating layer, the fire-retardant layer material of first fire-retardant layer and second is fire prevention silica gel piece, the fire prevention fire behavior of cable has better been guaranteed, the condition and the electric leakage condition of spontaneous combustion can not appear, it is safer to use.

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

a fireproof flame-retardant wire and cable comprises an outer protective shell, wherein a waterproof layer is fixedly arranged inside the outer protective shell, a first flame-retardant layer is fixedly arranged inside the waterproof layer, and a first insulating layer is fixedly arranged inside the first flame-retardant layer;

four inner protective shells are fixedly arranged inside the first insulating layer, a plurality of spring rods are fixedly arranged at the upper end and the lower end of each inner protective shell, one ends, far away from the inner protective shells, of the spring rods at the upper end and the lower end are fixedly connected with arc-shaped baffles, and one ends, far away from the spring rods, of the eight arc-shaped baffles are fixedly provided with cushion pads;

a shielding layer is fixedly arranged between the two buffer pads, a second flame-retardant layer is fixedly arranged in the shielding layer, and a second insulating layer is fixedly arranged in the second flame-retardant layer;

through above-mentioned technical scheme, make the fire-retardant fireproof effect of the device good through two protecting crust, two fire-retardant layers, can keep blotter on the cowl and cable closely to laminate through the spring beam, fix the cable, open buffering effect simultaneously.

Furthermore, a plurality of drainage grooves are fixedly arranged on the outer wall of the outer protective shell;

through above-mentioned technical scheme, can arrange the rainwater down through the drainage groove on the outer protective housing.

Further, a filling layer is filled between the first insulating layer and the inner protective shell;

through the technical scheme, the filling layer adopts a non-hygroscopic insulating structure.

Furthermore, the first flame-retardant layer and the second flame-retardant layer are both made of fireproof silica gel sheets;

through the technical scheme, the device has good fireproof and flame-retardant properties.

Furthermore, a main copper core is fixedly arranged in the middle of the inside of the second insulating layer, and a plurality of auxiliary copper cores are fixedly arranged on the periphery of the outer wall of the main copper core;

through above-mentioned technical scheme, main copper core and vice copper core constitute the cable.

Furthermore, reinforcing rods are fixedly arranged among the four inner protective shells;

through above-mentioned technical scheme, strengthen the intensity of inside cable through the stiffener.

Furthermore, the shielding layer is made of copper wires, and the first insulating layer and the second insulating layer are made of rubber;

through above-mentioned technical scheme, can guarantee through the shielding layer that the cable can not receive external electromagnetic wave's influence at the during operation.

Further, the outer protective shell is made of a PVC material;

through above-mentioned technical scheme, improve outer protective housing's fire resistance, high strength nature.

The utility model discloses following beneficial effect has:

1. the utility model provides a fire prevention fire-retardant type wire and cable, the device set up outer protective housing and inner protective housing, are provided with first fire-retardant layer, first insulation layer and the fire-retardant layer of second, second insulating layer in its outer protective housing and the inner protective housing respectively, and first fire-retardant layer and the fire-retardant layer material of second are fire prevention silica gel piece, have better guaranteed the fire prevention fire behavior of cable to the condition and the electric leakage condition of spontaneous combustion can not appear, use safelyr.

2. The utility model provides a pair of fire prevention fire-retardant type wire and cable, the device are provided with buffer structure, can keep blotter and cable on the cowl closely to laminate through the spring beam, fix the cable, open the buffering effect simultaneously, have improved the device's stability.

3. The utility model provides a pair of fire prevention fire-retardant type wire and cable is provided with the drainage groove at the protective housing outer wall, and when sleet weather, the sleet drainage of drainage groove on with the protective housing is outside, and the inside waterproof layer of deuterogamying uses, guarantees that the inside cable safety problem that can not intake of protective housing has improved the inside cable safety problem of protective housing, has increased the life of cable.

Drawings

Fig. 1 is a cross-sectional view of a fire-retardant wire and cable according to the present invention;

fig. 2 is a front sectional view of a fire-retardant wire and cable of the present invention;

fig. 3 is a schematic structural view of a fire-retardant wire and cable buffer device of the present invention;

fig. 4 is the utility model provides a fire prevention fire-retardant type wire and cable's cable core cover structure schematic diagram.

Illustration of the drawings:

1. an outer protective shell; 2. a drainage groove; 3. a waterproof layer; 4. a first flame retardant layer; 5. a first insulating layer; 6. a filling layer; 7. an inner protective shell; 8. a spring lever; 9. an arc-shaped baffle plate; 10. a cushion pad; 11. a shielding layer; 12. a second flame retardant layer; 13. a second insulating layer; 14. a main copper core; 15. a secondary copper core; 16. a reinforcing rod.

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, the present invention provides an embodiment: a fireproof flame-retardant wire and cable comprises an outer protective shell 1, a waterproof layer 3 is fixedly arranged inside the outer protective shell 1, a first flame-retardant layer 4 is fixedly arranged inside the waterproof layer 3, a first insulating layer 5 is fixedly arranged inside the first flame-retardant layer 4, four inner protective shells 7 are fixedly arranged inside the first insulating layer 5, a plurality of spring rods 8 are fixedly arranged at the upper end and the lower end inside the four inner protective shells 7, one ends, away from the inner protective shells 7, of the spring rods 8 at the upper end and the lower end are fixedly connected with arc-shaped baffles 9, one ends, away from the spring rods 8, of the eight arc-shaped baffles 9 are fixedly provided with buffer pads 10, a shielding layer 11 is fixedly arranged between the two buffer pads 10, a second flame-retardant layer 12 is fixedly arranged inside the shielding layer 11, a second insulating layer 13 is fixedly arranged inside the second flame-retardant layer 12, the buffer pads 10 on the arc-shaped baffles 9 are tightly attached to the cable through the spring rods 8, fix the cable, open the buffering effect simultaneously, can stop the inside spontaneous combustion's of cable body the condition through fire-retardant layer 12 of second, it is safer during the use.

The outer wall of the outer protection shell 1 is fixedly provided with a plurality of drainage grooves 2, rainwater can be drained through the drainage grooves 2 in the outer protection shell 1, a filling layer 6 is filled between the first insulation layer 5 and the inner protection shell 7, the first flame-retardant layer 4 and the second flame-retardant layer 12 are made of fireproof silica gel sheets, the device has good fireproof flame retardance, a main copper core 14 is fixedly arranged in the middle of the inner portion of the second insulation layer 13, a plurality of auxiliary copper cores 15 are fixedly arranged on the outer wall of the main copper core 14 in a circle, reinforcing rods 16 are fixedly arranged between the four inner protection shells 7, the shielding layer 11 is made of copper wires, the first insulation layer 5 and the second insulation layer 13 are made of rubber, it can be guaranteed that a cable works through the shielding layer 11, the cable cannot be influenced by external electromagnetic waves, and the outer protection shell 1 is made of PVC materials.

The working principle is as follows: this fire-retardant type wire and cable of preventing fires when using, stretch into cowl 9 department respectively with the cable, make blotter 10 on cowl 9 closely laminate with the cable through spring beam 8, fix the cable, open the cushioning effect simultaneously, can stop the inside spontaneous combustion's of cable body the condition through the fire-retardant layer 12 of second, it is safer during the use, can guarantee the cable during operation through shielding layer 11, can not receive external electromagnetic wave's influence, can solve cable electric leakage problem through second insulating layer 13, simultaneously, 1 inside first fire-retardant layer 4 and the first insulation layer 5 of being provided with of outer protective housing, the inside cable of its of protection of dynamics has been increaseed, drainage groove 2 through outer protective housing 1 can be arranged the rainwater down, the condition of rainwater stop on outer protective housing 1 for a long time can not appear, increase the security of cable use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a fire-retardant type wire and cable prevents fires, includes outer protective housing (1), its characterized in that: a waterproof layer (3) is fixedly arranged inside the outer protective shell (1), a first flame-retardant layer (4) is fixedly arranged inside the waterproof layer (3), and a first insulating layer (5) is fixedly arranged inside the first flame-retardant layer (4);

four inner protective shells (7) are fixedly arranged inside the first insulating layer (5), a plurality of spring rods (8) are fixedly arranged at the upper end and the lower end of each inner protective shell (7), arc-shaped baffles (9) are fixedly connected to the ends, far away from the inner protective shells (7), of the spring rods (8) at the upper end and the lower end, and cushion pads (10) are fixedly arranged at the ends, far away from the spring rods (8), of the eight arc-shaped baffles (9);

two fixed shielding layer (11) that is provided with between blotter (10), shielding layer (11) inside fixed second fire-retardant layer (12) that is provided with, second fire-retardant layer (12) inside fixed second insulating layer (13) that is provided with.

2. The fire-retardant wire and cable according to claim 1, wherein: the outer wall of the outer protective shell (1) is fixedly provided with a plurality of drainage grooves (2).

3. The fire-retardant wire and cable according to claim 1, wherein: and a filling layer (6) is filled between the first insulating layer (5) and the inner protective shell (7).

4. The fire-retardant wire and cable according to claim 1, wherein: the first flame-retardant layer (4) and the second flame-retardant layer (12) are both made of fireproof silica gel sheets.

5. The fire-retardant wire and cable according to claim 1, wherein: the middle of the inside of the second insulating layer (13) is fixedly provided with a main copper core (14), and a plurality of auxiliary copper cores (15) are fixedly arranged on the periphery of the outer wall of the main copper core (14).

6. The fire-retardant wire and cable according to claim 1, wherein: reinforcing rods (16) are fixedly arranged among the four inner protective shells (7).

7. The fire-retardant wire and cable according to claim 1, wherein: the shielding layer (11) is made of copper wires, and the first insulating layer (5) and the second insulating layer (13) are made of rubber.

8. The fire-retardant wire and cable according to claim 1, wherein: the outer protective shell (1) is made of PVC materials.