CN215342050U

CN215342050U - Tensile flexible control cable

Info

Publication number: CN215342050U
Application number: CN202121503973.9U
Authority: CN
Inventors: 尹灵; 邓旺; 杨英合; 彭茂华; 刘小怀; 施传新
Original assignee: SHENZHEN CHENGTIANTAI CABLE INDUSTRIAL DEVELOPMENT CO LTD
Current assignee: SHENZHEN CHENGTIANTAI CABLE INDUSTRIAL DEVELOPMENT CO LTD
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-28
Anticipated expiration: 2031-07-01

Abstract

The utility model relates to the technical field of cables, in particular to a tensile flexible control cable which comprises a cable body, wherein an outer skin layer is arranged on the outermost layer of the cable body, a heat-insulating flame-retardant layer is arranged inside the outer skin layer, an inner core is arranged at the center of the cable body, a plurality of groups of supporting columns are arranged on the inner core, the supporting columns are connected with supporting rings, a packing layer is filled between the inner core and the heat-insulating flame-retardant layer, a lead is arranged inside the packing layer, and a stretching mechanism is arranged on the cable body. Be provided with tension mechanism, when tension mechanism's both ends received the pulling force, the bellows can extend, and thermal-insulated fire-retardant layer and packing layer also can extend, and the inside wire of bellows is crooked form, and both ends move to the outside, and the movable block is to the inside shrink of installation head simultaneously, and first spring compression, second spring stretch for the cable body is whole can to be elongated one section distance, when the cable body received the rigidity pulling force, provides the buffer space, avoids the wire to be broken.

Description

Tensile flexible control cable

Technical Field

The utility model relates to the technical field of cables, in particular to a tensile flexible control cable.

Background

Along with the rapid development of urbanization construction, the use amount of cables is larger and larger, the performance requirement on the cables is higher and higher, the cables are required to be dragged in the cable laying process, but most of the existing cables are poor in tensile property, and an internal lead is easy to break in the dragging process.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a tensile flexible control cable, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a tensile flexible control cable, including the cable body, the outermost cortex that is equipped with of cable body, the inside of cortex is provided with thermal-insulated fire-retardant layer, the center department of cable body is provided with the inner core, install a plurality of groups support columns on the inner core, the support column is connected with the support ring, it has the packing layer to fill between inner core and the thermal-insulated fire-retardant layer, the inside wire that is equipped with of packing layer, be provided with stretching mechanism on the cable body.

Preferably, the outer skin layer is a wear-resistant rubber sleeve, and the thickness of the outer skin layer is 0.15-0.2 cm.

Preferably, the heat-insulating flame-retardant layer is a glass fiber woven layer, and the thickness of the heat-insulating flame-retardant layer is 0.15-0.2 cm.

Preferably, the inner core is a hard PVC rod, and the distance between each group of support columns is 5-10 cm.

Preferably, the wires are provided with four groups and are respectively positioned above and below the inner core, each wire comprises an internal copper core, and the copper core is wrapped by a layer of insulating layer.

Preferably, the distance between the stretching mechanism and the adjacent stretching mechanism is 50 to 100 cm.

Preferably, the stretching mechanism is including the bellows, and bellows and ectoderm structure as an organic whole, and the tip of inner core is located the bellows, and the tip fixed mounting of inner core has the installation head, installs the second spring on the lateral wall of installation head, and the installation head is the open hollow cuboid structure in upper and lower end, and the internally mounted of installation head has the baffle, and the upper and lower end of installation head is pegged graft and is had the movable block, and the movable block is the open cuboid structure in one end, installs the first spring of a plurality of between movable block and the baffle.

Preferably, the movable block is provided with a limiting block, the limiting block is provided with two limiting holes, and the lead passes through the limiting holes.

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

1. the cable body has good heat resistance and fire resistance, and the cable body is provided with the inner core, the support column and the support ring, so that the cable body can be supported, and the cable body is more stable;

2. be provided with tension mechanism, when tension mechanism's both ends received the pulling force, the bellows can extend, and thermal-insulated fire-retardant layer and packing layer also can extend, and the inside wire of bellows is crooked form, and both ends move to the outside, and the movable block is to the inside shrink of installation head simultaneously, and first spring compression, second spring stretch for the cable body is whole can to be elongated one section distance, when the cable body received the rigidity pulling force, provides the buffer space, avoids the wire to be broken.

Drawings

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

FIG. 2 is a drawing mechanism of the present invention;

fig. 3 is a view showing a connection structure of the mounting head of the present invention.

In the figure: the cable comprises a cable body 1, an outer skin layer 2, a heat-insulating flame-retardant layer 3, an inner core 4, a support column 5, a support ring 6, a lead 7, a packing layer 8, a corrugated pipe 9, an installation head 10, a partition plate 1001, a movable block 11, a first spring 12, a limiting block 13, a limiting hole 14 and a second spring 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a tensile flexible control cable comprises a cable body 1, wherein an outer skin layer 2 is arranged on the outermost layer of the cable body 1, the outer skin layer 2 is a wear-resistant rubber sleeve, the thickness of the outer skin layer 2 is 0.15-0.2 cm, a heat insulation flame-retardant layer 3 is arranged inside the outer skin layer 2, the heat insulation flame-retardant layer 3 is a glass fiber braided layer, the glass fiber braided layer is good in insulativity, strong in heat resistance and good in corrosion resistance, the thickness of the heat insulation flame-retardant layer 3 is 0.15-0.2 cm, an inner core 4 is arranged at the center of the cable body 1, a plurality of groups of supporting columns 5 are arranged on the inner core 4, the inner core 4 is a hard PVC rod, the distance between each group of the supporting columns 5 is 5-10 cm, the supporting columns 5 are connected with supporting rings 6, the supporting columns 5 and the supporting rings 6 are also made of hard PVC materials, a packing layer 8 is filled between the inner core 4 and the heat insulation flame-retardant layer 3, the packing layer 8 is made of soft rubber or silica gel, and can play a certain positioning role on each internal structure, and has better flexibility, and packing layer 8 is inside to be equipped with wire 7, and wire 7 is equipped with four groups altogether and is located the upper and lower side of inner core 4 respectively, and wire 7 is including inside copper core, and the outside parcel of copper core has a layer of insulating layer.

Be provided with stretching mechanism on the cable body 1, the distance between stretching mechanism and the adjacent stretching mechanism is 50 to 100cm, stretching mechanism is including bellows 9, bellows 9 and exocuticle layer 2 structure as an organic whole, the tip of inner core 4 is located bellows 9, the tip fixed mounting of inner core 4 has installation head 10, install second spring 15 on the lateral wall of installation head 10, installation head 10 is the open hollow cuboid structure of upper and lower end, the internally mounted of installation head 10 has baffle 1001, the upper and lower end of installation head 10 is pegged graft and is had movable block 11, movable block 11 is the open cuboid structure of one end, install the first spring 12 of a plurality of between movable block 11 and the baffle 1001, install stopper 13 on the movable block 11, two spacing holes 14 have been seted up on the stopper 13, spacing hole 14 has been passed to wire 7.

The working principle is as follows: the cable is provided with the outer skin layer 2 made of wear-resistant rubber, so that the cable body 1 has better wear resistance, the heat-insulating flame-retardant layer 3 is arranged, the cable body 1 can have good heat resistance and fire resistance, the inner core 4, the support columns 5 and the support rings 6 are arranged, the cable body 1 can be supported, and the cable body 1 is more stable; be provided with tension mechanism, when tension mechanism's both ends received the pulling force, bellows 9 can extend, thermal-insulated fire-retardant layer 3 and packing layer 8 also can extend, bellows 9 inside wire 7 is crooked form, both ends move to the outside, wire 7 presses movable block 11 to the inside shrink of installation head 10 simultaneously, first spring 12 compression, second spring 15 is tensile, make cable body 1 whole can lengthen one section distance, when cable body 1 received the rigidity pulling force, provide buffer space, avoid wire 7 to be broken, after the pulling force disappears, each structure of help resets is kick-backed to first spring 12 and second spring 15.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible control cable of tensile, including cable body (1), its characterized in that: the cable comprises a cable body (1), an outermost outer skin layer (2) is arranged on the cable body (1), a heat-insulating flame-retardant layer (3) is arranged inside the outer skin layer (2), an inner core (4) is arranged at the center of the cable body (1), a plurality of groups of supporting columns (5) are installed on the inner core (4), the supporting columns (5) are connected with supporting rings (6), a packing layer (8) is filled between the inner core (4) and the heat-insulating flame-retardant layer (3), a wire (7) is arranged inside the packing layer (8), and a stretching mechanism is arranged on the cable body (1).

2. A tensile flexible control cable according to claim 1, wherein: the outer skin layer (2) is a wear-resistant rubber sleeve, and the thickness of the outer skin layer (2) is 0.15-0.2 cm.

3. A tensile flexible control cable according to claim 1, wherein: the heat-insulating flame-retardant layer (3) is a glass fiber braided layer, and the thickness of the heat-insulating flame-retardant layer (3) is 0.15-0.2 cm.

4. A tensile flexible control cable according to claim 1, wherein: the inner core (4) is a hard PVC rod, and the distance between each group of support columns (5) is 5-10 cm.

5. A tensile flexible control cable according to claim 1, wherein: the wire (7) is provided with four groups and is respectively positioned above and below the inner core (4), the wire (7) comprises an internal copper core, and the external part of the copper core is wrapped by an insulating layer.

6. A tensile flexible control cable according to claim 1, wherein: the distance between the stretching mechanism and the adjacent stretching mechanism is 50-100 cm.

7. A tensile flexible control cable according to claim 1, wherein: the stretching mechanism is including bellows (9), bellows (9) and skin layer (2) structure as an organic whole, the tip of inner core (4) is located bellows (9), the tip fixed mounting of inner core (4) has installation head (10), install second spring (15) on the lateral wall of installation head (10), installation head (10) are the open hollow cuboid structure of upper and lower end, the internally mounted of installation head (10) has baffle (1001), the upper and lower end of installation head (10) is pegged graft and is had movable block (11), movable block (11) are the open cuboid structure of one end, install a plurality of first spring (12) between movable block (11) and baffle (1001).

8. A tensile flexible control cable according to claim 7, wherein: a limiting block (13) is installed on the movable block (11), two limiting holes (14) are formed in the limiting block (13), and the lead (7) penetrates through the limiting holes (14).