CN210722546U

CN210722546U - Polyvinyl chloride sheath control cable with flame-retardant and fire-resistant properties

Info

Publication number: CN210722546U
Application number: CN201921518083.8U
Authority: CN
Inventors: 林子胜
Original assignee: Kunming Haitian Cable Co ltd
Current assignee: Kunming Haitian Cable Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-09
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a polyvinyl chloride sheath control cable with fire resistance, including copper conductor sinle silk, the outside of copper conductor sinle silk is provided with shielding mechanism, the shielding mechanism outside is provided with protection mechanism, protection mechanism includes interior non-woven fabrics around package, inner liner, aluminium silk armor, outer non-woven fabrics around package and polyvinyl chloride oversheath, interior non-woven fabrics around the package winding on shielding mechanism's surface, the inner liner sets up the surface at interior non-woven fabrics around the package, be provided with buffer gear between inner liner and the aluminium silk armor, outer non-woven fabrics around the package set up the surface on buffer gear, polyvinyl chloride oversheath is established on outer non-woven fabrics around the package; through the buffer gear who designs between lining layer and aluminium silk armor, when using control cable, support and cushion through buffer spring's elasticity through the backup pad in the buffer gear, prevent that control cable from receiving external force extrusion and appearing damaging.

Description

Polyvinyl chloride sheath control cable with flame-retardant and fire-resistant properties

Technical Field

The utility model belongs to the technical field of control cable, concretely relates to polyvinyl chloride sheath control cable with fire-retardant fire resistance.

Background

The control cable is a polyvinyl chloride insulation and polyvinyl chloride sheath control cable suitable for industrial and mining enterprises, energy traffic departments, occasions for controlling and protecting lines with the alternating current rated voltage of below 450/750 volts, and the like.

When the existing polyvinyl chloride sheath control cable with flame retardant and fire resistance is used, the protection effect is poor, and the control cable is damaged by external force.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyvinyl chloride sheath control cable with fire-retardant fire resistance to the current polyvinyl chloride sheath control cable with fire-retardant fire resistance that proposes in solving above-mentioned background art when using, the protecting effect is poor, receives the problem that external force can appear damaging.

In order to achieve the above object, the utility model provides a following technical scheme: a polyvinyl chloride sheath control cable with flame retardant and fire resistance comprises a copper conductor wire core, wherein a shielding mechanism is arranged on the outer side of the copper conductor wire core, a protective mechanism is arranged on the outer side of the shielding mechanism, the protective mechanism comprises an inner non-woven fabric, an inner liner, an aluminum wire armor, an outer non-woven fabric, a polyvinyl chloride outer jacket, the inner non-woven fabric is wound on the surface of the shielding mechanism, the inner liner is arranged on the surface of the inner non-woven fabric, a buffer mechanism is arranged between the inner liner and the aluminum wire armor, the outer non-woven fabric is wound on the surface of the buffer mechanism, the polyvinyl chloride outer jacket is arranged on the outer non-woven fabric wound on the outer jacket, the buffer mechanism comprises a buffer filling part, a support plate, an upper buffer sleeve, a lower buffer sleeve and a buffer spring, the support plate is U-shaped, and one, the one end of backup pad is fixed on the surface of inner liner, the buffering is filled and is filled between the backup pad, go up the inboard of cushion collar fixed mounting in the backup pad, the one end at last cushion collar is installed through the spout to the cushion collar down and trade, the surface at the inner liner is fixed to the cushion collar down, buffer spring fixed mounting is in the inside of last cushion collar and lower cushion collar.

Preferably, the polyvinyl chloride outer sheath is provided with a mounting hole inside, the mounting hole is fixedly connected with a fixing plate inside, and an anti-stretching rib is fixedly connected between the fixing plates.

Preferably, the mounting hole surrounds the inner part of the polyvinyl chloride outer sheath.

Preferably, the shielding mechanism comprises a copper conductor inner shield, a polyvinyl chloride insulator, an insulating outer shield, a semiconductor water-blocking tape, a copper wire shield and a copper strip shield, the copper conductor inner shield is arranged on the surface of the copper conductor wire core, the insulating outer shield is arranged on the outer side of the copper conductor inner shield, the copper wire shield is arranged on the outer side of the insulating outer shield, the polyvinyl chloride insulator is arranged between the insulating outer shield and the copper conductor inner shield, the semiconductor water-blocking tape is wound between the copper wire shield and the insulating outer shield, and the copper strip shield is wound on the surface of the copper wire shield.

Preferably, go up cushion collar, lower cushion collar and buffer spring and organize, and every equidistance is installed in the inboard of backup pad.

Preferably, the upper end of the buffer spring is mounted inside the upper buffer sleeve, and the lower end of the buffer spring is mounted inside the lower buffer sleeve.

Preferably, the copper conductor wire core is formed by tightly pressing a multi-strand wire core.

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

(1) by the aid of the buffer mechanism arranged between the lining layer and the aluminum wire armor, when the control cable is used, the control cable is supported by the support plate in the buffer mechanism and is buffered by the elasticity of the buffer spring, so that the control cable is prevented from being damaged due to extrusion of external force;

(2) by the aid of the anti-stretching ribs designed in the polyvinyl chloride outer sheath, when the control cable is pulled, the anti-stretching effect of the polyvinyl chloride outer sheath is enhanced through the anti-stretching ribs, and the polyvinyl chloride outer sheath is prevented from being damaged due to stretching;

(3) through multilayer shielding such as copper conductor internal shield, insulating external shield, copper wire shielding and copper strips shielding of design, make control cable shielding effect better, prevent that control cable from receiving external disturbance.

Drawings

Fig. 1 is a schematic structural view of a control cable according to the present invention;

fig. 2 is a schematic view of the protection structure of the present invention;

FIG. 3 is a schematic view of the supporting frame of the present invention;

fig. 4 is a schematic view of the buffering structure of the present invention;

FIG. 5 is a schematic view of the sheath structure of the present invention;

fig. 6 is a schematic view of the stretch-resistant structure of the present invention;

in the figure: 1. a copper conductor core; 2. a copper conductor inner shield; 3. insulating polyvinyl chloride; 4. an insulating outer shield; 5. a semiconductor water-blocking tape; 6. shielding the copper wire; 7. shielding by a copper strip; 8. wrapping the inner non-woven fabric; 9. an inner liner layer; 10. aluminum wire armoring; 11. wrapping the outer non-woven fabric; 12. a polyvinyl chloride outer sheath; 13. buffer filling; 14. a support plate; 15. an upper buffer sleeve; 16. a lower buffer sleeve; 17. a buffer spring; 18. mounting holes; 19. a fixing plate; 20. stretch-resistant ribs.

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. 1-6, the present invention provides a technical solution: a polyvinyl chloride sheath control cable with flame retardant and fire resistance comprises a copper conductor wire core 1, a shielding mechanism is arranged on the outer side of the copper conductor wire core 1, a protection mechanism is arranged on the outer side of the shielding mechanism to enable the protection of the control cable to be better, the protection mechanism comprises an inner non-woven fabric wrapping 8, an inner liner 9, an aluminum wire armor 10, an outer non-woven fabric wrapping 11 and a polyvinyl chloride outer sheath 12, the inner non-woven fabric wrapping 8 is wound on the surface of the shielding mechanism, the inner liner 9 is arranged on the surface of the inner non-woven fabric wrapping 8, a buffer mechanism is arranged between the inner liner 9 and the aluminum wire armor 10, the outer non-woven fabric wrapping 11 is arranged on the surface of the buffer mechanism, the polyvinyl chloride outer sheath 12 is sleeved on the outer non-woven fabric wrapping 11 to enable the buffer effect of the buffer mechanism to be better, the buffer mechanism comprises a buffer filling 13, the backup pad 14 becomes the U type, and backup pad 14 one side is fixed at the inboard surface of aluminium silk armor 10, the surface at inner liner 9 is fixed to the one end of backup pad 14, it is better to make backup pad 14 supporting effect, cushion packing 13 is filled between backup pad 14, go up cushion collar 15 fixed mounting in the inboard of backup pad 14, the one end at last cushion collar 15 of installation that cushion collar 16 traded through the spout down, cushion collar 16 fixes the surface at inner liner 9 down, buffer spring 17 fixed mounting is in the inside at last cushion collar 15 and lower cushion collar 16.

In this embodiment, preferably, the polyvinyl chloride outer sheath 12 is provided with a mounting hole 18 inside, the fixing plate 19 is fixedly connected inside the mounting hole 18, and the anti-stretching rib 20 is fixedly connected between the fixing plates 19, so that the polyvinyl chloride outer sheath 12 has a better anti-stretching effect, and the mounting hole 18 surrounds the inside of the polyvinyl chloride outer sheath 12, so that the polyvinyl chloride outer sheath 12 has a better anti-stretching effect.

In this embodiment, it is preferred, the shielding mechanism includes copper conductor inner shield 2, polyvinyl chloride is insulating 3, insulating outer shield 4, semiconductor water-blocking tape 5, copper wire shield 6 and copper tape shield 7, copper conductor inner shield 2 sets up the surface at copper conductor sinle silk 1, insulating outer shield 4 sets up the outside at copper conductor inner shield 2, copper wire shield 6 sets up the outside at insulating outer shield 4, polyvinyl chloride is insulating 3 to be installed between insulating outer shield 4 and copper conductor inner shield 2, prevent the friction damage between insulating outer shield 4 and the copper conductor inner shield 2, semiconductor water-blocking tape 5 twines between copper wire shield 6 and insulating outer shield 4, prevent wearing and tearing from appearing between copper wire shield 6 and the insulating outer shield 4, copper tape shield 7 twines on the surface of copper wire shield 6, make the shielding effect better.

In this embodiment, preferably, the upper cushion collar 15, the lower cushion collar 16 and the cushion spring 17 are grouped, and each group is installed at the inner side of the support plate 14 at equal intervals, so that the upper cushion collar 15, the lower cushion collar 16 and the cushion spring 17 are convenient to use.

In this embodiment, preferably, the upper end of the buffer spring 17 is installed inside the upper buffer sleeve 15, and the lower end of the buffer spring 17 is installed inside the lower buffer sleeve 16, so that the buffer spring 17 has a better use effect.

In this embodiment, preferably, the copper conductor wire core 1 is formed by tightly pressing a multi-strand wire core, so that the copper conductor wire core 1 is convenient to use.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the installation and fixation and the safety protection of the utility model are checked at first, and then the utility model can be used, when the control cable is used, the cable is pulled to pass through the elasticity of the anti-stretching ribs 20 in the polyvinyl chloride outer sheath 12, so that the anti-stretching effect of the polyvinyl chloride outer sheath 12 is better, the cable is prevented from being damaged by pulling, the control cable is supported by the support plate 14 when being pressed and is buffered by the elastic force of the buffer spring 17 inside the support plate 14, preventing the control cable from being damaged due to the pressing, and is shielded by the copper conductor inner shield 2, the insulating outer shield 4, the copper wire shield 6 and the copper strip shield 7 when in use, so as to prevent external signals from interfering the use of the control cable, just so accomplish right the utility model discloses a use, the utility model discloses simple structure, convenience safe in utilization.

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. The utility model provides a polyvinyl chloride sheath control cable with fire-retardant fire resistance, includes copper conductor sinle silk (1), the outside of copper conductor sinle silk (1) is provided with shielding mechanism, its characterized in that: the shielding mechanism outside is provided with protection machanism, protection machanism includes that interior non-woven fabrics winds package (8), inner liner (9), aluminium silk armor (10), outer non-woven fabrics winds package (11) and polyvinyl chloride oversheath (12), interior non-woven fabrics winds the surface that package (8) twined at shielding mechanism, the non-woven fabrics winds the surface of package (8) including inner liner (9) sets up, be provided with buffer gear between inner liner (9) and aluminium silk armor (10), outer non-woven fabrics winds the surface that package (11) set up on buffer gear, polyvinyl chloride oversheath (12) cover is established on outer non-woven fabrics winds package (11), buffer gear includes buffering packing (13), backup pad (14), goes up cushion collar (15), lower cushion collar (16) and buffer spring (17), backup pad (14) become the U type, and backup pad (14) one side is fixed on the inboard surface of aluminium silk armor (10), the surface at inner liner (9) is fixed to the one end of backup pad (14), the buffering is filled (13) and is filled between backup pad (14), go up the inboard of cushion collar (15) fixed mounting in backup pad (14), the one end of installing at last cushion collar (15) that cushion collar (16) traded through the spout down, the surface at inner liner (9) is fixed in cushion collar (16) down, inside at last cushion collar (15) and lower cushion collar (16) is fixed in buffer spring (17).

2. The polyvinyl chloride sheathed control cable with flame retardant and fire resistant properties according to claim 1, wherein: the polyvinyl chloride outer sheath (12) is internally provided with a mounting hole (18), the mounting hole (18) is fixedly connected with a fixing plate (19) in the mounting hole, and an anti-stretching rib (20) is fixedly connected between the fixing plates (19).

3. The polyvinyl chloride sheathed control cable with flame retardant and fire resistant properties according to claim 2, wherein: the mounting hole (18) is surrounded inside the polyvinyl chloride outer sheath (12).

4. The polyvinyl chloride sheathed control cable with flame retardant and fire resistant properties according to claim 1, wherein: the shielding mechanism comprises a copper conductor inner shield (2), a polyvinyl chloride insulator (3), an insulating outer shield (4), a semiconductor water-blocking tape (5), a copper wire shield (6) and a copper strip shield (7), wherein the copper conductor inner shield (2) is arranged on the surface of a copper conductor wire core (1), the insulating outer shield (4) is arranged on the outer side of the copper conductor inner shield (2), the copper wire shield (6) is arranged on the outer side of the insulating outer shield (4), the polyvinyl chloride insulator (3) is arranged between the insulating outer shield (4) and the copper conductor inner shield (2), the semiconductor water-blocking tape (5) is wound between the copper wire shield (6) and the insulating outer shield (4), and the copper strip shield (7) is wound on the surface of the copper wire shield (6).

5. The polyvinyl chloride sheathed control cable with flame retardant and fire resistant properties according to claim 1, wherein: go up cushion collar (15), lower cushion collar (16) and buffer spring (17) and be in groups, and every group equidistance is installed in the inboard of backup pad (14).

6. The polyvinyl chloride sheathed control cable with flame retardant and fire resistant properties according to claim 1, wherein: the upper end of the buffer spring (17) is arranged on the inner side of the upper buffer sleeve (15), and the lower end of the buffer spring (17) is arranged on the inner side of the lower buffer sleeve (16).

7. The polyvinyl chloride sheathed control cable with flame retardant and fire resistant properties according to claim 1, wherein: the copper conductor wire core (1) is formed by tightly pressing a multi-strand wire core.