CN216849406U

CN216849406U - Polyvinyl chloride insulation and sheath tensile flat cable

Info

Publication number: CN216849406U
Application number: CN202220472578.7U
Authority: CN
Inventors: 肖曙光; 肖尚斌; 叶超; 孙海杰; 王俊玲; 肖慧敏; 唐文浩
Original assignee: Anhui Tongda Cable Co ltd
Current assignee: Anhui Tongda Cable Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-06-28
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses an insulating and sheath tensile flat cable of polyvinyl chloride, including leading the core and setting up at the outside soft polyvinyl chloride insulating sheath of leading the core, two are no less than to lead the number of core, and be provided with elasticity buffering subassembly between two adjacent leading cores, elasticity buffering subassembly includes semi-circular elasticity piece rib and semi-circular elasticity strip, semi-circular elasticity piece rib is provided with two, the outer lane summit department of two semi-circular elasticity piece ribs is laminated mutually and is fixed mutually, the fixed inside that sets up at semi-circular elasticity piece rib of semi-circular elasticity strip, the top and the below of outer jacket structure all are provided with the atress lug. The utility model discloses cable compressive property is good inadequately among the prior art, when using, can cause the cable pressurized because the heavy object is heavily pressed or artificial trampling to can make cable damage scheduling problem improve. The utility model has the advantages of better resistance to compression shock-absorbing capacity to avoid the cable easily to be heavily pressed by the heavy object or artificial trampling and damage.

Description

Polyvinyl chloride insulation and sheath tensile flat cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a polyvinyl chloride is insulating and flat cable of sheath tensile.

Background

A cable is a conductor made of one or more mutually insulated conductors and an outer insulating protective layer that carries power or information from one location to another.

Among the prior art, because the user demand needs carry out data transmission through flat cable, and current flat cable compressive property is good inadequately, when using, can cause the cable pressurized because the heavy pressure of heavy object or artificial trampling to can make cable inner conductor damage.

To above technical problem, the utility model discloses a flat cable of polyvinyl chloride insulation and sheath tensile, the utility model has the advantages of better resistance to compression buffer performance to avoid the cable to be pressed heavily by the heavy object or artificial trampling and damage easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a polyvinyl chloride is insulating and flat cable of sheath tensile to solve among the prior art cable compressive property not good enough, when using, can be because heavy object is heavily pressed or artificial trampling, cause the cable to be compressed, thereby can make technical problem such as cable inner conductor damage, the utility model has the advantages of better resistance to compression buffer performance, thereby avoid the cable easy to be heavily pressed by the heavy object or artificial trampling and damage.

The utility model discloses a following technical scheme realizes: the utility model discloses a polyvinyl chloride insulation and sheath tensile flat cable, which comprises guide cores and a soft polyvinyl chloride insulation sheath arranged outside the guide cores, wherein the number of the guide cores is not less than two, an elastic buffering component is arranged between two adjacent guide cores, the elastic buffering component comprises a semicircular elastic sheet rib and a semicircular elastic strip, the number of the semicircular elastic sheet rib is two, the outer ring vertexes of the two semicircular elastic sheet ribs are mutually attached and mutually fixed, two ends of the semicircular elastic sheet rib are respectively fixedly connected with the upper inner wall and the lower inner wall of the soft polyvinyl chloride insulation sheath, the semicircular elastic strip is fixedly arranged inside the semicircular elastic sheet rib, two sides inside the soft polyvinyl chloride insulation sheath are both provided with bearing elements, the outside of the soft polyvinyl chloride insulation sheath is provided with an outer protection layer structure, the upper part and the lower part of the outer protection layer structure are both provided with stressed lugs, and the stress lugs are respectively positioned above and below the elastic buffer component.

Further, lead the conductor that the core formed by the transposition of stranded copper wire and the cladding is constituteed at the outside restrictive coating of conductor, the restrictive coating includes inside soft polyvinyl chloride insulating layer, internal shield layer, inside fire-retardant layer and inner sheath, inside soft polyvinyl chloride insulating layer cladding sets up in the outside of conductor, internal shield layer sets up in the outside on inside soft polyvinyl chloride insulating layer, inside fire-retardant layer sets up in the outside on inside shield layer, the inner sheath sets up the outside on inside fire-retardant layer.

Further, outer jacket structure includes outside shielding layer, outside fire-retardant layer, soft polyvinyl chloride oversheath and wearing layer, and outside shielding layer sets up in the outside of soft polyvinyl chloride insulating sheath, and outside fire-retardant layer sets up the outside on outside shielding layer, and soft polyvinyl chloride oversheath sets up the outside on outside fire-retardant layer, and the wearing layer is fixed to be set up in the outside of soft polyvinyl chloride oversheath, atress lug and wearing layer fixed connection.

Furthermore, a filling layer is arranged inside the soft polyvinyl chloride insulating sheath.

Furthermore, the force bearing element is a steel wire rope.

Furthermore, the semicircular elastic sheet ribs are made of high-elasticity rubber, and the semicircular elastic sheet ribs are made of elastic metal.

The utility model has the advantages of it is following:

(1) the utility model discloses a set up elasticity buffering subassembly and atress lug, thereby make when this cable is using, when the heavy object is heavily pressed or is artificially trampled, atress can be carried out to the atress lug about the cable, later atress lug can transmit pressure to semi-circular elastic sheet rib, elastic deformation through semi-circular elastic sheet rib cushions, the inside semi-circular elastic sheet of semi-circular elastic sheet rib also can cushion simultaneously, consequently, the dual buffering through semi-circular elastic sheet rib and semi-circular elastic sheet rib can make the compressive effect of cable better, can shift pressure to elasticity buffering subassembly department through the atress lug and cushion, thereby avoid leading the core directly to receive pressure and damage.

(2) The utility model discloses a set up the load component to set up the load component into wire rope, thereby can make the tensile property of this cable better.

Drawings

FIG. 1 is a schematic cross-sectional structural view of the present invention;

FIG. 2 is a schematic structural view of the semicircular elastic sheet rib of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure of fig. 1 according to the present invention.

In the figure: 1. a guide core; 2. a flexible polyvinyl chloride insulating sheath; 3. an elastic buffer component; 4. a force-bearing element; 5. an outer jacket structure; 6. a stressed bump; 7. a filling layer; 101. a conductor; 102. a sheath layer; 1021. a soft polyvinyl chloride insulating layer; 1022. an inner shield layer; 1023. an inner flame retardant layer; 1024. an inner sheath; 301. semicircular elastic sheet ribs; 302. a semicircular elastic strip; 501. an outer shield layer; 502. an outer flame retardant layer; 503. a soft polyvinyl chloride outer sheath; 504. and a wear-resistant layer.

Detailed Description

The following is a detailed description of the embodiments of the present invention, which is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments, in the description of the present invention, words like "front", "back", "left", "right", etc. indicating directions or position relationships are only for convenience of description of the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, cannot be understood as a limitation of the present invention.

Example 1

Embodiment 1 discloses a polyvinyl chloride insulation and sheath tensile flat cable, as shown in fig. 1, comprising guide cores 1 and a flexible polyvinyl chloride insulation sheath 2 arranged outside the guide cores 1, the number of the guide cores 1 is not less than two, and an elastic buffer component 3 is arranged between two adjacent guide cores 1, thereby the buffer performance of the cable can be increased through the elastic buffer component 3 by arranging the elastic buffer component 3, as shown in fig. 1-2, the elastic buffer component 3 comprises a semicircular elastic sheet rib 301 and a semicircular elastic sheet rib 302, the semicircular elastic sheet rib 301 is provided with two, outer ring vertexes of the two semicircular elastic sheet ribs 301 are mutually attached and fixed, two ends of the semicircular elastic sheet rib 301 are respectively fixedly connected with the upper inner wall and the lower inner wall of the flexible polyvinyl chloride insulation sheath 2, the two semicircular elastic sheet ribs 301 are combined into an X shape, thereby performing elastic buffering, the semicircular elastic strip 302 is fixedly arranged inside the semicircular elastic strip rib 301, the semicircular elastic strip rib 301 is made of high-elasticity rubber, the semicircular elastic strip rib 301 is made of elastic metal, when the elastic buffering component 3 is pressed, the semicircular elastic strip rib 301 is in a semicircular arc shape, so that the semicircular elastic strip rib 301 can be subjected to bending deformation when the semicircular elastic strip rib 301 is pressed, buffering can be performed through elastic deformation of the semicircular elastic strip rib 301, and meanwhile, the semicircular elastic strip 302 inside the semicircular elastic strip rib 301 can also be buffered through extrusion, so that the cable can have better compression resistance effect through double buffering of the semicircular elastic strip rib 301 and the semicircular elastic strip 302, the filling layer 7 is arranged inside the flexible polyvinyl chloride insulating sheath 2, and the load-bearing elements 4 are arranged on two sides inside the flexible polyvinyl chloride insulating sheath 2, the force-bearing element 4 is a steel wire rope, the outer part of the flexible polyvinyl chloride insulating sheath 2 is provided with an outer protective layer structure 5, stress lugs 6 are arranged above and below the outer protective layer structure 5 respectively, the stress lugs 6 are respectively positioned above and below the elastic buffer component 3, and pressure can be transferred to the elastic buffer component 3 through the stress lugs 6 for buffering, so that the guide core 1 is prevented from being damaged due to direct pressure, and the force-bearing element 4 is arranged and is set as the steel wire rope, so that the tensile property of the cable is better;

as shown in fig. 1-3, the guide core 1 is composed of a conductor 101 formed by twisting a plurality of copper wires and a sheath layer 102 coated outside the conductor 101, the sheath layer 102 includes an inner soft polyvinyl chloride insulating layer 1021, an inner shielding layer 1022, an inner flame retardant layer 1023 and an inner sheath 1024, the inner soft polyvinyl chloride insulating layer 1021 is coated and arranged outside the conductor 101, the inner shielding layer 1022 is arranged outside the inner soft polyvinyl chloride insulating layer 1021, the inner flame retardant layer 1023 is arranged outside the inner shielding layer 1022, and the inner sheath 1024 is arranged outside the inner flame retardant layer 1023;

as shown in fig. 1 and 3, the outer protective layer structure 5 includes an outer shielding layer 501, an outer flame retardant layer 502, a flexible polyvinyl chloride outer sheath 503 and a wear-resistant layer 504, the outer shielding layer 501 is disposed outside the flexible polyvinyl chloride insulating sheath 2, the outer flame retardant layer 502 is disposed outside the outer shielding layer 501, the flexible polyvinyl chloride outer sheath 503 is disposed outside the outer flame retardant layer 502, the wear-resistant layer 504 is fixedly disposed outside the flexible polyvinyl chloride outer sheath 503, and the stress protrusion 6 is fixedly connected to the wear-resistant layer 504.

The principle of the utility model is as follows: the utility model discloses a set up elasticity buffering subassembly 3 and atress lug 6, thereby make when this cable is using, when heavy object weight or artificial trample, atress lug 6 about the cable can be atred, then atress lug 6 can transmit pressure to semi-circular elastic sheet rib 301, because semi-circular elastic sheet rib 301 is half-circular arc, consequently can carry out bending deformation when semi-circular elastic sheet rib 301 receives pressure, thereby cushion through the elastic deformation of semi-circular elastic sheet rib 301, semi-circular elastic sheet rib 301 inside semi-circular elastic sheet rib 302 receives the extrusion simultaneously and also can cushion, consequently can make the compressive resistance effect of cable better through the double buffering of semi-circular elastic sheet rib 301 and semi-circular elastic sheet rib 302, can shift pressure to elasticity buffering subassembly 3 department through atress lug 6 and cushion, thereby avoid leading core 1 directly to receive pressure and damage, through setting up load-carrying element 4 to set up load-carrying element 4 into wire rope, thereby can make the tensile property of this cable better.

Claims

1. A polyvinyl chloride insulation and sheath tensile flat cable comprises guide cores (1) and a soft polyvinyl chloride insulation sheath (2) arranged outside the guide cores (1), and is characterized in that the number of the guide cores (1) is not less than two, an elastic buffering component (3) is arranged between every two adjacent guide cores (1), the elastic buffering component (3) comprises a semicircular elastic sheet rib (301) and a semicircular elastic strip (302), the number of the semicircular elastic sheet ribs (301) is two, the outer ring vertexes of the two semicircular elastic sheet ribs (301) are mutually attached and fixed, the two ends of the semicircular elastic sheet rib (301) are respectively fixedly connected with the upper inner wall and the lower inner wall of the soft polyvinyl chloride insulation sheath (2), and the semicircular elastic strip (302) is fixedly arranged inside the semicircular elastic sheet rib (301), the soft polyvinyl chloride insulating sheath is characterized in that force bearing elements (4) are arranged on two sides of the inside of the soft polyvinyl chloride insulating sheath (2), an outer protective layer structure (5) is arranged outside the soft polyvinyl chloride insulating sheath (2), stress lugs (6) are arranged above and below the outer protective layer structure (5), and the stress lugs (6) are respectively located above and below the elastic buffering component (3).

2. The polyvinyl chloride insulation and sheath tensile flat cable according to claim 1, wherein the conductive core (1) is composed of a conductor (101) formed by twisting a plurality of copper wires and a sheath layer (102) covering the outside of the conductor (101), the sheath layer (102) comprises an inner soft polyvinyl chloride insulation layer (1021), an inner shielding layer (1022), an inner flame retardant layer (1023) and an inner sheath (1024), the inner soft polyvinyl chloride insulation layer (1021) is wrapped and arranged outside the conductor (101), the inner shielding layer (1022) is arranged outside the inner soft polyvinyl chloride insulation layer (1021), the inner flame retardant layer (1023) is arranged outside the inner shielding layer (1022), and the inner sheath (1024) is arranged outside the inner flame retardant layer (1024).

3. The polyvinyl chloride insulation and sheath tensile flat cable according to claim 1, wherein the outer sheath structure (5) comprises an outer shielding layer (501), an outer flame retardant layer (502), a flexible polyvinyl chloride outer sheath (503) and a wear-resistant layer (504), the outer shielding layer (501) is arranged outside the flexible polyvinyl chloride insulation sheath (2), the outer flame retardant layer (502) is arranged outside the outer shielding layer (501), the flexible polyvinyl chloride outer sheath (503) is arranged outside the outer flame retardant layer (502), the wear-resistant layer (504) is fixedly arranged outside the flexible polyvinyl chloride outer sheath (503), and the stress-bearing convex block (6) is fixedly connected with the wear-resistant layer (504).

4. The polyvinyl chloride insulation and sheath tensile flat cable according to claim 1, wherein the interior of the flexible polyvinyl chloride insulation sheath (2) is provided with a filling layer (7).

5. The polyvinyl chloride insulation and sheath tensile flat cable according to claim 1, wherein the force bearing element (4) is a steel wire rope.

6. The polyvinyl chloride insulation and sheath tensile flat cable according to claim 1, wherein the semicircular elastic sheet rib (301) is made of high-elasticity rubber material, and the semicircular elastic sheet rib (301) is made of elastic metal.