CN214505059U - Reinforced movable flexible cable - Google Patents

Abstract

The utility model discloses a portable flexible cable of strenghthened type, the outside of inner sheath is provided with reinforces the cover, the outside of strengthening the cover is provided with the oversheath, the middle part of strengthening the cover is provided with the enhancement layer, be provided with outer cushion collar on the inside wall of inner sheath, the inside of outer cushion collar is provided with the inner sheath, the outside of inner sheath is provided with interior cushion collar, even be provided with three median between interior cushion collar and the outer cushion collar, be provided with the strengthening rib in the median, be provided with conductive core between the median, be provided with the filler between conductive core's the outside and the median, outer cushion collar, interior cushion collar, median integrated into one piece. This neotype cable passes through the median can strengthen the anti extrusion performance of cable, is provided with enhancement layer, strengthening rib simultaneously, can strengthen the tensile strength of cable, and when being convenient for in-service use, the cable is not fragile.

Description

Reinforced movable flexible cable

Technical Field

The utility model relates to a cable field especially relates to a portable flexible cable of strenghthened type.

Background

A flex cable refers to a cable made from a bundle of multiple strands of thin copper wire, allowing the cable to be bent multiple times, and can be used to power moving machinery. For example, the power supply cable of a mobile crane can be hung on a sling and slide, and can also be armored by a metal material and can move on the ground.

In actual use, due to the fact that the existing flexible cable needs to be pulled and bent, in the process, the internal structure is damaged due to the fact that the existing flexible cable is pulled to be broken or abraded greatly, and the existing flexible cable needs to be replaced with a new flexible cable, so that waste is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable flexible cable of strenghthened type to prior art not enough.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

The utility model provides a portable flexible cable of strenghthened type, it includes oversheath, reinforcement sleeve, inner sheath, enhancement layer, outer buffer jacket, inner sheath, interior buffer jacket, median, strengthening rib, conductive core, filler, the outside of inner sheath is provided with reinforcement sleeve, reinforcement sleeve's the outside is provided with the oversheath, reinforcement sleeve's middle part is provided with the enhancement layer, be provided with outer buffer jacket on the inside wall of inner sheath, the inside of outer buffer jacket is provided with the inner sheath, the outside of inner sheath is provided with interior buffer jacket, even three median that is provided with between interior buffer jacket and the outer buffer jacket, be provided with the strengthening rib in the median, be provided with conductive core between the median, be provided with the filler between conductive core's the outside and the median, outer buffer jacket, interior buffer jacket, median integrated into one piece.

Further, the outer sheath is a polyethylene tube.

Further, the strengthening sleeve is a polypropylene flexible plastic pipe.

Furthermore, the reinforcing layer is a net made of polyvinyl chloride, and the meshes of the net are in a regular hexagon shape.

Further, the inner sheath is a cross-linked polyethylene tube.

Further, the inner protection pipe is a rubber pipe.

Furthermore, the outer buffer sleeve, the inner buffer sleeve and the isolation belt are all made of silicon rubber materials.

Furthermore, the section of the isolation belt is in a fan shape, and the radian of the side surface of the isolation belt is pi/3.

Further, the filler is a tensile fiber filler.

Further, the outside of conductive core is provided with the wire insulating layer, the outside of wire insulating layer is provided with the wire shielding layer, the outside of wire shielding layer is provided with the wire protective layer.

The utility model has the advantages that: this neotype cable passes through the median can strengthen the anti extrusion performance of cable, is provided with enhancement layer, strengthening rib simultaneously, can strengthen the tensile strength of cable, and when being convenient for in-service use, the cable is not fragile.

Drawings

Fig. 1 is a schematic structural view of a cross section of the present invention;

FIG. 2 is a schematic view of the reinforced structure of the present invention;

in the figure: 1. an outer sheath; 2. a reinforcing sleeve; 3. an inner sheath; 4. a reinforcing layer; 5. an outer cushion collar; 6. an inner sheath; 7. an inner buffer sleeve; 8. an isolation zone; 9. reinforcing ribs; 10. a conductive wire core; 11. a wire insulating layer; 12. a wire shielding layer; 13. a wire protection layer; 14. and (4) filling materials.

Detailed Description

The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.

As shown in the figure: a reinforced mobile flexible cable comprises an outer sheath 1, a reinforced sleeve 2, an inner sheath 3, a reinforced layer 4, an outer buffer sleeve 5, an inner protection pipe 6, an inner buffer sleeve 7, an isolation belt 8, a reinforcing rib 9, a conductive wire core 10 and a filler 14.

The outside of inner sheath 3 is provided with reinforceing cover 2, the outside of reinforceing cover 2 is provided with oversheath 1, the middle part of reinforceing cover 2 is provided with enhancement layer 4, be provided with outer buffer 5 on the inside wall of inner sheath 3, the inside of outer buffer 5 is provided with inner sheath 6, the outside of inner sheath 6 is provided with interior buffer 7, even be provided with three median 8 between interior buffer 7 and the outer buffer 5, be provided with strengthening rib 9 in the median 8, be provided with conductive core 10 between the median 8, be provided with filler 14 between conductive core 10's the outside and the median 8.

Oversheath 1 is the polyethylene pipe, adopts the electrothermal welding mode to connect between the polyethylene pipe, and the intensity that connects is higher than pipeline body intensity to possess following advantage: good low-temperature impact resistance: the low-temperature embrittlement temperature of the polyethylene is extremely low, and the polyethylene can be safely used within the temperature range of-60 to 60 ℃. When in construction in winter, the pipe cannot be brittle because of good impact resistance of the material. Good stress cracking resistance: PE has low notch sensitivity, high shear strength and excellent scratch resistance, has outstanding environmental stress cracking resistance, aging resistance and long service life: the polyethylene pipe containing 2-2.5% of evenly distributed carbon black can be stored or used outdoors for 50 years without being damaged by ultraviolet radiation; the wear resistance is good: the wear resistance comparison test of the PE pipeline and the steel pipe shows that the wear resistance of the PE pipeline is 4 times that of the steel pipe; the flexibility is good: the flexibility of the PE pipeline enables the PE pipeline to be easily bent, and can bypass obstacles in a mode of changing the direction of the pipeline in engineering, and in many occasions, the flexibility of the pipeline can reduce the using amount of pipe fittings and reduce the installation cost.

The reinforced sleeve 2 is made of a polypropylene flexible plastic pipe, the reinforced sleeve 2 can be internally provided with a reinforced layer 4 for enhancing the strength of the reinforced sleeve 2, the reinforced layer 4 is made of polyvinyl chloride, and meshes of the meshes are regular hexagons, so that the integral structure of the cable is not too hard, still soft and bendable while the strength of the reinforced sleeve 2 is enhanced.

The inner sheath 3 is a cross-linked polyethylene pipe, and has the following advantages: 1. heat resistance: XLPE with a net-shaped three-dimensional structure has excellent heat resistance. The material can not be decomposed and carbonized below 200 ℃, the long-term working temperature can reach 90 ℃, and the thermal life can reach 40 years; 2. insulating property: XLPE keeps the original good insulation characteristic of PE, and the insulation resistance is further increased. The dielectric loss tangent value is very small and is not greatly influenced by temperature; 3. mechanical properties: because a new chemical bond is established among macromolecules, the hardness, the rigidity, the wear resistance and the impact resistance of the XLPE are improved, so that the defect that the PE is easy to crack due to environmental stress is overcome; 4. chemical resistance characteristics: XLPE has stronger acid and alkali resistance and oil resistance, and the combustion product is mainly water and carbon dioxide, and is less harmful to the environment, satisfies the requirement of modern fire safety.

The inner casing 6 is a rubber tube, is arranged at the center inside the cable, can play a role in supporting the isolation belt 8, and can achieve a certain buffering effect in the process that the cable is extruded.

The outer buffer sleeve 5, the inner buffer sleeve 7 and the isolation belt 8 are made of silicon rubber materials, and the silicon rubber has a stable silicon-oxygen chemical structure and can endow the elastomer with unique performances including biocompatibility, excellent high-temperature resistance and chemical resistance, excellent mechanical and electrical properties, natural transparency and translucency. Compared with most elastomers, silicone rubber can withstand a very wide temperature range, remains stable when subjected to temperature changes of-60 ℃ to 260 ℃, and can withstand corrosion by water and various chemicals, including certain acidic substances, oxidizing chemicals, ammonia and isopropanol. Silicone rubber has excellent insulating properties and functionality in electrical applications, making all comparable materials dust-free. The silicon rubber can maintain the insulation effect and the dielectric strength at extreme temperature and can resist the capability range far exceeding that of the traditional insulation material.

Outer cushion collar 5, interior cushion collar 7, median 8 integrated into one piece, like this, can effectually keep apart three conductive wire core 10, guarantee the condition that can not cause the short circuit each other. Meanwhile, the outer buffer sleeve 5 plays an insulating role, and even if the protective sleeves on the outer side of the outer buffer sleeve 5 are damaged and broken, the outer buffer sleeve 5 can still protect the conductive wire core 10 inside the protection period from being exposed and normally working.

The cross-section of median 8 is fan-shaped, and the radian of its side is pi/3, and the anti extrusion performance of cable can be promoted in the setting of median 8, and in addition, the setting of cambered surface can make the side of median 8 and the better wedging of the side of conductive core 10 close, prevents the movement of conductive core 10.

Be provided with strengthening rib 9 in the median 8, strengthening rib 9 is the steel wire, can strengthen the intensity of whole cable, promotes the anti bending performance of cable.

The filler 14 is tensile fiber filler, and is filled between the isolation belt 8 and the conductive wire core 10, so that the tensile strength of the cable can be enhanced, the friction force between the isolation belt 8 and the conductive wire core 10 can be strengthened, and the conductive wire core 10 is prevented from moving.

The outside of conductive core 10 is provided with wire insulating layer 11, and the outside of wire insulating layer 11 is provided with wire shielding layer 12, and the outside of wire shielding layer 12 is provided with wire protective layer 13.

The wire insulating layer 11 is made of soft polyvinyl chloride and is made of polyvinyl chloride, so that the insulating effect is good.

The lead shielding layer 12 is made of glass fiber cloth, and the glass fiber cloth has high heat resistance, small moisture absorption, softness, high tensile strength and good insulating property, so that the lead shielding layer is made into a plurality of insulating materials and has excellent flame-retardant and fire-resistant effects.

The lead protection layer 13 is made of silica gel, the silica gel is a high-activity adsorption material and belongs to amorphous substances, the main component of the silica gel is silicon dioxide, the silica gel is stable in chemical property, does not burn and is provided with a silica gel protection sleeve, the excellent elastic plastic deformation capacity is achieved, and the lead insulation layer 11 and the lead shielding layer 12 can be effectively prevented from being damaged due to external force.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. In addition, the description which follows is a preferred embodiment of the invention, but is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a portable flexible cable of strenghthened type which characterized in that: the reinforced plastic composite material comprises an outer sheath (1), a reinforced sleeve (2), an inner sheath (3), a reinforcing layer (4), an outer buffer sleeve (5), an inner sheath (6), an inner buffer sleeve (7), isolation belts (8), reinforcing ribs (9), conductive wire cores (10) and fillers (14), wherein the reinforced sleeve (2) is arranged on the outer side of the inner sheath (3), the outer sheath (1) is arranged on the outer side of the reinforced sleeve (2), the reinforcing layer (4) is arranged in the middle of the reinforced sleeve (2), the outer buffer sleeve (5) is arranged on the inner side wall of the inner sheath (3), the inner sheath (6) is arranged inside the outer buffer sleeve (5), the inner buffer sleeve (7) is arranged on the outer side of the inner sheath (6), three isolation belts (8) are uniformly arranged between the inner buffer sleeve (7) and the outer buffer sleeve (5), and the reinforcing ribs (9) are arranged in the isolation belts (8), be provided with between median (8) conductive core (10), be provided with filler (14) between the outside of conductive core (10) and median (8), outer cushion collar (5), interior cushion collar (7), median (8) integrated into one piece.

2. A reinforced mobile flexible cable as claimed in claim 1, wherein: the outer sheath (1) is a polyethylene pipe.

3. A reinforced mobile flexible cable as claimed in claim 1, wherein: the strengthening sleeve (2) is a polypropylene flexible plastic pipe.

4. A reinforced mobile flexible cable as claimed in claim 1, wherein: the reinforcing layer (4) is a net made of polyvinyl chloride, and the meshes of the net are in a regular hexagon shape.

5. A reinforced mobile flexible cable as claimed in claim 1, wherein: the inner sheath (3) is a cross-linked polyethylene pipe.

6. A reinforced mobile flexible cable as claimed in claim 1, wherein: the inner protection pipe (6) is a rubber pipe.

7. A reinforced mobile flexible cable as claimed in claim 1, wherein: the outer buffer sleeve (5), the inner buffer sleeve (7) and the isolation belt (8) are all made of silicon rubber materials.

8. A reinforced mobile flexible cable as claimed in claim 1, wherein: the section of the isolation belt (8) is fan-shaped, and the radian of the side surface of the isolation belt is pi/3.

9. A reinforced mobile flexible cable as claimed in claim 1, wherein: the filler (14) is a tensile fiber filler.

10. A reinforced mobile flexible cable as claimed in claim 1, wherein: the outside of conductive core (10) is provided with wire insulating layer (11), the outside of wire insulating layer (11) is provided with wire shielding layer (12), the outside of wire shielding layer (12) is provided with wire protective layer (13).

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