CN212461190U - Weak current cable for decoration engineering - Google Patents

Abstract

The utility model discloses a light current cable for finishing work, including interior sheath and outer jacket, interior sheath outside-in has set gradually main shielding layer and cable core, is provided with the fire prevention filler between main shielding layer and the cable core, and cable core includes the conductor, insulating layer and vice shielding layer, and the insulating layer cladding is outside the conductor, and vice shielding layer cladding is outside the insulating layer, is provided with tensile pressure mechanism between interior sheath and the outer jacket, has set gradually fire-retardant layer outside the outer jacket, high temperature resistant layer and skid-proof bed course, is provided with anti-skidding convex part on the skid-proof bed course. The utility model discloses a double-deck design of main shielding layer and vice shielding layer has good shielding effect, can not receive other signal line interference, and transmission stability is high, can carry out fire protection to the cable core through the fire prevention filler to through fire-retardant layer, make to have good fire-retardant refractiveness, adopt tensile pressure mechanism, make the cable wholly have fine flexibility, tensile pressure performance is stronger, has improved life.

Description

Weak current cable for decoration engineering

Technical Field

The utility model belongs to fitment light current engineering field especially relates to a light current cable for fitment engineering.

Background

In decoration engineering, the application of weak current cables is indispensable, for example, the weak current cables are used as data lines for connecting mobile equipment and computers so as to achieve the purpose of data transmission or communication.

When the weak current cable is used for communication, the weak current cable is often interfered by other signal lines, the transmission efficiency is low, and signals transmitted between devices are distorted. Secondly, current weak current cable makes the conductor warp easily when drawing the line, produces the condition of electric leakage, perhaps directly breaks, and the cable is drawn the line pressure effect not good, can damage the sinle silk under drawing the line pressure state, leads to the damage of weak current cable. In addition, the weak current cables used at present lack fire-proof performance, and are easily burnt in case of fire, resulting in interruption of transmission signals, and thus there is a need for improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of above-mentioned prior art existence, provide a light current cable for finishing work, it has that shielding effect is good, tensile pressure resistance can be strong and fire prevention fire behaviour is good characteristics.

In order to achieve the above object, the utility model adopts the following technical scheme: a weak current cable for decoration engineering comprises an inner protective layer and an outer protective layer, wherein the inner protective layer is sequentially provided with a main shielding layer and a cable core from outside to inside, fireproof fillers are arranged between the main shielding layer and the cable core, the cable core comprises a conductor, an insulating layer and an auxiliary shielding layer, the insulating layer is coated outside the conductor, the auxiliary shielding layer is coated outside the insulating layer, a tension and compression resistant mechanism is arranged between the inner protective layer and the outer protective layer, the tensile compression mechanism comprises a telescopic arc plate, a spring seat, a return spring and a guide piece, wherein the spring seat is respectively arranged outside the inner protective layer and in the middle of the inner arc of the telescopic arc plate, the return spring is arranged on the spring seat, the telescopic arc plate is limited and arranged between the guide pieces, the outer jacket is provided with fire-retardant layer, high temperature resistant layer and skid-proof bed course outward in proper order, be provided with skid proof convex part on the skid-proof bed course.

Preferably, the main shielding layer and the auxiliary shielding layer are both semiconductor metal shielding layers.

Preferably, the fireproof filler is ceramic silicon rubber.

Preferably, the conductor is made of pure copper, and the diameter of the conductor is 0.6-2.0 mm.

Preferably, the number of the telescopic arc plates and the number of the guide pieces are 4, and the guide pieces are perpendicular to each other.

Preferably, the flame-retardant layer is an asbestos flame-retardant layer.

Preferably, the high temperature resistant layer is filled with mica particles.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is:

the utility model has simple and reasonable structure, and through the double-layer design of the main shielding layer and the auxiliary shielding layer, the weak current cable has excellent shielding effect, can not be interfered by other signal lines, and has high transmission stability; the cable core can be protected from fire by arranging the fireproof filler, and the flame-retardant layer is arranged, so that the cable core has good flame retardance and fire resistance; by adopting the tension and compression resistant mechanism, the telescopic arc plate can be automatically adjusted under the elastic action of the reset spring, so that the whole weak current cable has good flexibility, the tension and compression resistant performance is strong, and the service life of the weak current cable is effectively prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of the inner sheath of the present invention;

fig. 3 is a schematic structural view of the tension and compression resisting mechanism of the present invention;

in the figure: 10. an inner protective layer; 11. an outer jacket; 12. a main shield layer; 13. a cable core; 14. a fire-resistant filler; 15. a conductor; 16. an insulating layer; 17. a secondary shielding layer; 18. a telescopic arc plate; 19. a spring seat; 20. a return spring; 21. a guide member; 22. a flame retardant layer; 23. a high temperature resistant layer; 24. an anti-slip cushion layer; 25. an anti-slip projection; 26. a spring groove.

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, a weak current cable for decoration engineering comprises an inner protective layer 10 and an outer protective layer 11, wherein the inner protective layer 10 is sequentially provided with a main shielding layer 12 and a cable core 13 from outside to inside, a fireproof filler 14 is arranged between the main shielding layer 12 and the cable core 13, the cable core 13 comprises a conductor 15, an insulating layer 16 and an auxiliary shielding layer 17, the insulating layer 16 is covered outside the conductor 15, the auxiliary shielding layer 17 is covered outside the insulating layer 16, a tension mechanism is arranged between the inner protective layer 10 and the outer protective layer 11, the tension mechanism comprises a telescopic arc plate 18, a spring seat 19, a return spring 20 and a guide 21, the spring seat 19 is respectively arranged outside the inner protective layer 10 and in the middle of an inner arc of the telescopic arc plate 18, the return spring 20 is arranged on the spring seat 19, the telescopic arc plate 18 is limited and arranged between the guide 21, the outer protective layer 11 is sequentially provided with a flame retardant layer 22, a high temperature resistant layer 23 and an, the anti-slip pad layer 24 is provided with an anti-slip convex portion 25.

In the embodiment, the structure is simple and reasonable, and the weak current cable has excellent shielding effect, cannot be interfered by other signal lines and has high transmission stability through the double-layer design of the main shielding layer 12 and the auxiliary shielding layer 17; the cable core 13 can be protected from fire by arranging the fireproof filler 14, and the flame-retardant layer 22 has good flame retardance and fire resistance; by adopting the tension and compression resistant mechanism, the telescopic arc plate 18 can be automatically adjusted under the elastic action of the return spring 20, so that the whole weak current cable has good flexibility, the tension and compression resistant performance is strong, and the service life of the weak current cable is effectively prolonged.

Specifically, the number of cable cores is 3, and each cable core is provided with 3 conductors. The insulating layer 16 provides good insulation against the conductor 15. A spring groove 26 is provided in the spring seat 19, and the return spring 20 abuts on the bottom of the spring groove 26. The high temperature resistant layer 23 has good high temperature resistance. The friction force of hand operation can be increased through the anti-skid convex parts 25 of the anti-skid pad layer 24, and the carrying of wires and cables is further facilitated.

Further, the main shield layer 12 and the sub shield layer 17 are both semiconductive metal shield layers.

In this embodiment, the main shielding layer 12 and the sub-shielding layer 17 are made of semiconductor metal shielding layers, which have better shielding effect, are not interfered by other signal lines, and have high transmission stability.

Further, the fireproof filler 14 is ceramic silicone rubber.

In this embodiment, the fireproof filler 14 is made of ceramic silicone rubber, which has good fireproof performance, good tensile strength and long service life.

Further, the conductor 15 is made of pure copper, and the diameter of the conductor 15 is 0.6-2.0 mm.

In this embodiment, the conductor 15 is made of pure copper, and the diameter of the conductor 15 is 0.6-2.0mm, which is suitable for the weak current cable.

Furthermore, the number of the telescopic arc plates 18 and the number of the guide pieces 21 are 4, and the guide pieces 21 are perpendicular to each other.

In this embodiment, flexible arc 18 and guide 21 are all 4, are mutually perpendicular between the guide 21, and flexible arc 18 can have the flexible self-regulating function of elasticity in four directions for the whole flexibility that has of light current cable, and the performance of tensile pressure is stronger, and guide 21 has fine guide effect.

Further, the flame retardant layer 22 is an asbestos flame retardant layer.

In this embodiment, the flame-retardant layer 22 is made of asbestos, which has a good flame-retardant and fire-resistant effect.

Further, the high temperature resistant layer 23 is filled with mica particles.

In the present embodiment, the mica particles are filled in the high temperature resistant layer 23, and the high temperature resistant layer has good high temperature resistance, and has good flexibility and bending resistance.

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 (7)

1. A light current cable for finishing work, includes inner sheath (10) and outer sheath (11), its characterized in that: the inner protection layer (10) is sequentially provided with a main shielding layer (12) and a cable core (13) from outside to inside, a fireproof filler (14) is arranged between the main shielding layer (12) and the cable core (13), the cable core (13) comprises a conductor (15), an insulating layer (16) and an auxiliary shielding layer (17), the insulating layer (16) is covered outside the conductor (15), the auxiliary shielding layer (17) is covered outside the insulating layer (16), a tensile compression mechanism is arranged between the inner protection layer (10) and the outer protection layer (11), the tensile compression mechanism comprises a telescopic arc plate (18), a spring seat (19), a reset spring (20) and a guide piece (21), the spring seat (19) is respectively arranged at the outer part of the inner protection layer (10) and the inner arc middle part of the telescopic arc plate (18), the reset spring (20) is arranged on the spring seat (19), and the telescopic arc plate (18) is limitedly arranged between the guide piece (21), the anti-skid protective layer is characterized in that a flame-retardant layer (22), a high-temperature-resistant layer (23) and an anti-skid cushion layer (24) are sequentially arranged outside the outer protective layer (11), and anti-skid convex parts (25) are arranged on the anti-skid cushion layer (24).

2. A weak current cable for finishing work according to claim 1, wherein: the main shielding layer (12) and the auxiliary shielding layer (17) are both semiconductor metal shielding layers.

3. A weak current cable for finishing work according to claim 1, wherein: the fireproof filler (14) is ceramic silicon rubber.

4. A weak current cable for finishing work according to claim 1, wherein: the conductor (15) is made of pure copper, and the diameter of the conductor (15) is 0.6-2.0 mm.

5. A weak current cable for finishing work according to claim 1, wherein: the number of the telescopic arc plates (18) and the number of the guide pieces (21) are 4, and the guide pieces (21) are perpendicular to each other.

6. A weak current cable for finishing work according to claim 1, wherein: the flame-retardant layer (22) is an asbestos flame-retardant layer.

7. A weak current cable for finishing work according to claim 1, wherein: mica particles are filled in the high-temperature resistant layer (23).

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