CN216353423U

CN216353423U - Flat cable

Info

Publication number: CN216353423U
Application number: CN202122664394.9U
Authority: CN
Inventors: 陈明乐
Original assignee: Paide Cable Kunshan Co ltd
Current assignee: Paide Cable Kunshan Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-19
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a flat cable which comprises a cable core and an insulating sleeve, wherein the insulating sleeve is wrapped outside the cable core, the insulating sleeve comprises a wear-resistant layer, the wear-resistant layer is wrapped outside the insulating sleeve, the steel protective piece comprises a semicircular plate and a connecting plate, the semicircular plate and the connecting plate are of an integrated structure, the wear-resistant layer is wrapped outside the semicircular plate, and the outer sheaths are wrapped outside the steel protective piece and the wear-resistant layer. Has the advantages that: the steel protection piece is adopted, the steel protection piece is integrally formed by punching the semicircular plate and the connecting plate, the semicircular plate of the steel protection piece surrounds the outer side of the insulating sleeve of the cable core to protect the cable core, resist external pressure and avoid the cable core from being damaged due to compression deformation, so that the compression resistance of the device is improved, the compression damage is reduced, in addition, the connecting plate enables the space between the cable cores not to be changed, and the structural damage caused by the mutual separation or approach of the cable cores is avoided, so that the stability of the device is improved.

Description

Flat cable

Technical Field

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

Background

The cable is an electric energy or signal transmission device, usually comprises several or several groups of wire, and the cable is comparatively common in daily life, need use flat cable under some special occasions, for example need use flat cable when the elevator is driving a vehicle, and this kind of cable cost is low, and light in weight, toughness is strong, can all easily use in large-scale equipment and in small-size equipment moreover.

Traditional flat cable structure is comparatively simple, comprises cable core, insulating layer and oversheath, and insulating layer and oversheath generally adopt butadiene acrylonitrile rubber to make, possess higher pliability, but compressive strength is not enough, easily takes place to warp under the exogenic action to lead to the cable core to damage, can further make the improvement, in addition, traditional flat cable though can play fire-retardant effect, but its fire behavior can also further strengthen, thereby improves the security of using.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the flat cable which has the advantages of strong pressure resistance, stable structure and good fireproof effect, and further solves the problems in the background art.

(II) technical scheme

In order to realize the advantages of strong compressive capacity, stable structure and good fireproof effect, the utility model adopts the following specific technical scheme:

flat cable, including cable core and insulating cover, cable core outside parcel has the insulating cover, and the insulating cover outside including the wearing layer to the outside parcel of wearing layer has the steel to protect the piece, the steel protects the piece and includes semicircle board and even board, and semicircle board and even board formula structure as an organic whole to semicircle board parcel wearing layer, steel protects the piece and the outside parcel of wearing layer has the oversheath.

Furthermore, a thin-wall rubber tube is arranged inside the outer sheath in a penetrating mode and parallel to the cable core, sodium bicarbonate powder is filled inside the thin-wall rubber tube, and the thin-wall rubber tube is located between the semicircular plates.

Furthermore, the reinforcing steel cables penetrate through the outer side of the steel protection piece inside the outer sheath, and the reinforcing steel cables are multiple.

Further, the steel protects the even setting of piece along cable core length direction, and leaves the space between the steel protects the piece to the space width is not more than 2 mm.

Further, the steel protection piece is made of stainless steel, and the width of the steel protection piece is not more than 1 cm.

Furthermore, the outer sheath and the insulating sleeve are both made of a nitrile polyvinyl chloride material, and the wear-resistant layer is made of vulcanized rubber.

(III) advantageous effects

Compared with the prior art, the utility model provides a flat cable, which has the following beneficial effects:

(1) the cable core protection device adopts the steel protection piece which is integrally formed by punching the semicircular plate and the connecting plate, the semicircular plate of the steel protection piece surrounds the outer side of the insulating sleeve of the cable core to protect the cable core, resist external pressure and avoid the cable core from being damaged due to compression deformation, so that the compression resistance of the device is improved, the compression damage is reduced, in addition, the connecting plate enables the space between the cable cores not to be changed, and the cable cores are prevented from being separated from each other or approaching to cause structural damage, so that the stability of the device is improved.

(2) The device adopts the thin-wall rubber tube and the sodium bicarbonate powder, the sodium bicarbonate powder is decomposed to form carbon dioxide and water when encountering a fire, the sodium bicarbonate powder is heated by external high temperature in a heat conduction mode, and the decomposed carbon dioxide is sprayed out to dilute surrounding oxygen once the outer sheath or the thin-wall rubber tube is damaged, so that the fire is reduced, and a good fireproof effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a flat cable proposed by the present invention;

FIG. 2 is a schematic structural view of a steel guard according to the present invention;

fig. 3 is a schematic view of the connection of the steel shield and the insulating sleeve according to the present invention.

In the figure:

1. an outer sheath; 2. a cable core; 3. an insulating sleeve; 4. a wear layer; 5. a steel guard; 6. a thin-walled rubber tube; 7. sodium bicarbonate powder; 8. reinforcing the steel cable; 9. a semicircular plate; 10. connecting plates; 11. a void.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a flat cable is provided.

The utility model will be further described with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-3, a flat cable according to an embodiment of the utility model includes a cable core 2 and an insulating sleeve 3, the insulating sleeve 3 is wrapped outside the cable core 2 and is of a common structure, the outer side of the insulating sleeve 3 includes a wear-resistant layer 4, the outer side of the wear-resistant layer 4 is wrapped with a steel protection member 5, the steel protection member 5 includes a semicircular plate 9 and a connecting plate 10, the semicircular plate 9 and the connecting plate 10 are of an integral structure, the semicircular plate 9 wraps the wear-resistant layer 4, the outer sides of the steel protection member 5 and the wear-resistant layer 4 are wrapped with an outer sheath 1 and is of a common structure, the steel protection member 5 is integrally formed by punching the semicircular plate 9 and the connecting plate 10, the semicircular plate 9 of the steel protection member 5 is wrapped outside the insulating sleeve 3 of the cable core 2 to protect the cable core 2 to resist external pressure and prevent the cable core 2 from being damaged due to deformation, so as to improve the compression resistance of the device, reduce the pressurized and damage, in addition, even board 10 makes the interval between the cable core 2 not change, avoids cable core 2 to separate each other or be close to and arouse structural damage to the stability of this device has been increased.

In one embodiment, thin-wall rubber tube 6 is arranged in parallel with cable core 2 inside outer sheath 1, and thin-wall rubber tube 6 is filled with sodium bicarbonate powder 7, and thin-wall rubber tube 6 is located between semicircle board 9, thin-wall rubber tube 6 is provided with a plurality of, sodium bicarbonate powder 7 is decomposed with heat and forms carbon dioxide and water, when this device meets with the conflagration, external high temperature can heat sodium bicarbonate powder 7 with heat-conducting form, in case when outer sheath 1 or thin-wall rubber tube 6 damaged take place, the carbon dioxide of decomposing out can be sprayed out, dilute oxygen around, thereby reduce the intensity of a fire, good fire prevention effect has been played.

In one embodiment, the reinforcing steel cable 8 penetrates through the outer side of the steel protection piece 5 inside the outer sheath 1, the reinforcing steel cables 8 are arranged in a plurality, the reinforcing steel cables 8 are thin steel cables, the tensile force is strong, the tensile capacity of the device is improved, and therefore the device can be conveniently hung for a long time.

In one embodiment, the steel protectors 5 are uniformly arranged along the length direction of the cable core 2, gaps 11 are reserved between the steel protectors 5, the width of each gap 11 is not more than 2mm, and the device is convenient to bend.

In one embodiment, the steel guard 5 is made of stainless steel, and the width of the steel guard 5 is not more than 1cm, which also facilitates the bending of the device.

In one embodiment, the outer sheath 1 and the insulating sleeve 3 are both made of nitrile polyvinyl chloride, the wear-resistant layer 4 is made of vulcanized rubber, the wear resistance is good, and the steel protective piece 5 is prevented from wearing the insulating sleeve 3.

The working principle is as follows:

the steel protection piece 5 is integrally formed by punching a semicircular plate 9 and a connecting plate 10, the semicircular plate 9 of the steel protection piece 5 surrounds the outer side of an insulating sleeve 3 of a cable core 2 to protect the cable core 2 and resist external pressure so as to avoid the cable core 2 from being damaged due to compression deformation, thereby improving the compression resistance of the device and reducing the compression damage, in addition, the connecting plate 10 prevents the distance between the cable cores 2 from changing and prevents the cable cores 2 from being separated from each other or approaching to cause structural damage, thereby increasing the stability of the device, meanwhile, a plurality of thin-wall rubber tubes 6 are arranged, the sodium bicarbonate powder 7 in the device is decomposed into carbon dioxide and water by heat, when the device is in fire, the external high temperature can heat the sodium bicarbonate powder 7 in a heat conduction manner, and once the outer sheath 1 or the thin-wall rubber tube 6 is damaged, the decomposed carbon dioxide can be sprayed out to dilute oxygen around, thereby reducing the fire behavior and playing a good role in fire prevention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. Flat cable, its characterized in that, including cable core (2) and insulating cover (3), cable core (2) outside parcel has insulating cover (3), and insulating cover (3) outside including wearing layer (4) to wearing layer (4) outside parcel has steel to protect piece (5), steel protects piece (5) including semicircle board (9) and even board (10), and semicircle board (9) and even board (10) formula structure as an organic whole to semicircle board (9) parcel wearing layer (4), steel protects piece (5) and wearing layer (4) outside parcel and has oversheath (1).

2. The flat cable according to claim 1, wherein a thin-walled rubber tube (6) is arranged inside the outer sheath (1) in parallel to the cable core (2), the thin-walled rubber tube (6) is filled with sodium bicarbonate powder (7), and the thin-walled rubber tube (6) is located between the semicircular plates (9).

3. Flat cable according to claim 1, characterised in that inside the outer sheath (1) outside the steel shield (5) there is a reinforcing steel cord (8) and that there are a plurality of reinforcing steel cords (8).

4. The flat cable according to claim 1, wherein the steel shields (5) are uniformly arranged along the length of the cable core (2) with gaps (11) left between the steel shields (5), and the width of the gaps (11) is not more than 2 mm.

5. Flat cable according to claim 1, characterised in that the steel shield (5) is made of stainless steel and that the steel shield (5) has a width not greater than 1 cm.

6. The flat cable according to claim 1, wherein the outer sheath (1) and the insulating sheath (3) are made of a nitrile-polyvinyl chloride material, and the wear-resistant layer (4) is made of a vulcanized rubber material.