CN112489867B

CN112489867B - Insulating flexible cable that tensile strength is high

Info

Publication number: CN112489867B
Application number: CN202011327208.6A
Authority: CN
Inventors: 赵俊刚; 杨延辉; 王荣泉; 郭海龙; 刘胜国
Original assignee: Shandong Wudi Haifeng Cable Co ltd
Current assignee: Shandong Wudi Haifeng Cable Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2022-06-07
Anticipated expiration: 2040-11-24
Also published as: CN112489867A

Abstract

The invention relates to the technical field of cables, and discloses an insulated flexible cable with high tensile strength, which comprises a cable jacket, wherein a first protective layer is sleeved outside the cable jacket, a second protective layer is arranged inside the cable jacket, wear-resistant points are arranged outside the first protective layer, an armor layer is arranged inside the second protective layer, a third protective layer is arranged inside the armor layer, a sheath layer is arranged inside the third protective layer, an electric core is arranged inside the sheath layer, and a filling layer is filled inside the sheath layer and outside the electric core. The first tensile layer and the second tensile layer on the inner side of the second protective layer are utilized, so that the tensile force of the cable jacket can be effectively increased, the cable jacket is prevented from being damaged under the condition of high external tensile force, the overall strength of the cable jacket can be improved due to the arrangement of the braided layer, and the service life of the cable jacket is effectively prolonged.

Description

Insulating flexible cable that tensile strength is high

Technical Field

The invention relates to the technical field of cables, in particular to an insulated flexible cable with high tensile strength.

Background

The cable is an electric energy or signal transmission device, usually it is made up of several or several groups of wire, the cable has power cable, control cable, compensating cable, shielding cable, high-temperature cable, flexible cable, etc., and the flexible cable among them its cable core is wound up with the thin copper wire, make the power cable that can be used as the mobile device, the conductor structure inside the flexible cable is the stranded soft structure, its conductor is 3 kinds or 4 kinds of conductors generally, can facilitate the transmission of the signal between the mobile devices with the flexible cable.

However, the current flexible cable is often stretched in the using process, and the cable is deformed due to poor tensile strength, so that the normal use of the cable is affected, and the protection effect of the interior of the flexible cable is poor, so that the flexible cable is easily affected to a certain degree in the case of fire and rain. Accordingly, those skilled in the art have provided an insulated flexible cable having high tensile strength to solve the problems set forth in the background art.

Disclosure of Invention

The present invention is directed to an insulated flexible cable with high tensile strength to solve the above problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an insulating soft cable that tensile strength is high, includes the cable cover, the outside of cable cover cup joints and installs first inoxidizing coating, and the inboard of cable cover is provided with the second inoxidizing coating, the outside of first inoxidizing coating is provided with wear point, the inboard of second inoxidizing coating is provided with the armor, the third protective layer is installed to the inboard of armor, the inboard of third protective layer is provided with the restrictive coating, the internally mounted of restrictive coating has electric core, and the inside of restrictive coating has the filling layer in the outside packing of electric core.

As a still further scheme of the invention: the inner side of the first protective layer is provided with a reinforcing layer, and the inner side of the reinforcing layer is respectively provided with a reinforcing layer, a first reinforcing layer and a first anticorrosive layer from top to bottom.

As a still further scheme of the invention: the thickness of the bottom of the first reinforcing layer is twice that of the stabilizing layer, the stabilizing layer is made of high-fiber polyester materials, and the first anti-corrosion layer is a silicon rubber coating.

As a still further scheme of the invention: the inboard of second inoxidizing coating is provided with the buffer layer, the externally mounted of buffer layer has the buffering ball, and the outside of buffer layer is provided with the second and resists the tensile layer, the dashpot with the mutual adaptation of buffering ball is seted up to the below on second tensile layer, the outside on second tensile layer is provided with the bond line, the outside on bond line is stained with first tensile layer, the outside on first tensile layer is provided with the weaving layer.

As a still further scheme of the invention: the first tensile layer and the second tensile layer are the same in thickness, the first tensile layer and the second tensile layer are made of soft copper materials, and the woven layer is a fiber woven layer.

As a still further scheme of the invention: the buffering ball is semi-circular setting, and the buffering ball is provided with ten at least equidistance in the outside of buffer layer, the buffer layer is thickness 2 mm's elastic rubber material.

As a still further scheme of the invention: the inboard of third protective layer is provided with the flame retardant coating, the inboard from the bottom up of flame retardant coating is provided with second back up coat, elastic layer and elasticity strip respectively, the top of elasticity strip is provided with the waterproof layer, the inboard of waterproof layer scribbles the second anticorrosive coating.

As a still further scheme of the invention: the elastic layer is elastic wave rubber material, the elastic strip is provided with ten at least equidistance in the inboard of elastic layer, and the elastic strip is the rubber material component equally.

As a still further scheme of the invention: the second reinforcing layer is internally provided with a nylon and plastic belt mixing layer, the second anticorrosive layer is a silicone rubber coating, and the second anticorrosive layer is a phenolic resin composite material.

Compared with the prior art, the invention has the beneficial effects that: the first protective layer is arranged outside the cable jacket, the wear-resisting effect of the cable jacket can be effectively improved by using the wear-resisting points outside the first protective layer, and the reinforcing layer, the first reinforcing layer and the stabilizing layer are arranged inside the first protective layer, so that the cable jacket has good pressure resistance, the cable jacket is prevented from being damaged due to the action of external force, and the service life of the cable jacket is shortened; the second protective layer is arranged in the cable jacket, the first tensile layer and the second tensile layer on the inner side of the second protective layer are utilized, the tensile force of the cable jacket can be effectively increased, the cable jacket is prevented from being damaged under the condition of high external tensile force, the overall strength of the cable jacket can be improved due to the arrangement of the woven layer, the buffer layer is arranged outside the second tensile layer, the buffer effect can be effectively played, and the service life of the cable jacket is prolonged; and the inside of third protection layer is provided with waterproof layer and flame retardant coating for the inside of cable jacket has fine waterproof and fire-proof performance, and through the setting of second anticorrosive coating and second back up coat, can its life of effectual improvement.

Drawings

FIG. 1 is a schematic view of a high tensile strength insulated flexible cable;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is a schematic view of a buffer ball in an insulated flexible cable with high tensile strength;

FIG. 5 is an enlarged view of portion C of FIG. 1;

fig. 6 is a schematic structural view of an elastic strip in an insulated flexible cable with high tensile strength.

In the figure: 1. wear points; 2. a first protective layer; 3. a cable jacket; 4. a second protective layer; 5. an armor layer; 7. a sheath layer; 8. a filling layer; 9. an electric core; 10. a third protection layer; 11. a strengthening layer; 12. a first reinforcing layer; 13. a stabilizing layer; 14. a first anticorrosive layer; 15. a first tensile layer; 16. a second tensile layer; 17. weaving layer; 18. a buffer layer; 19. an adhesive layer; 20. a buffer ball; 21. a buffer tank; 22. a waterproof layer; 23. a fire barrier layer; 24. a second anticorrosive layer; 25. a second reinforcing layer; 26. an elastic layer; 27. an elastic strip.

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 6, in an embodiment of the present invention, an insulated flexible cable with high tensile strength includes a cable jacket 3, a first protective layer 2 is sleeved on an outer portion of the cable jacket 3, a wear-resistant point 1 is disposed on an outer portion of the first protective layer 2, a reinforcing layer 11 is disposed on an inner side of the first protective layer 2, the reinforcing layer 11, a first reinforcing layer 12 and a first anti-corrosion layer 14 are respectively disposed on an inner side of the reinforcing layer 11 from top to bottom, a thickness of the first reinforcing layer 12 is twice a thickness of a stabilizing layer 13, the stabilizing layer 13 is made of a high fiber polyester material, the first anti-corrosion layer 14 is a silicone rubber coating, the first protective layer is disposed on the outer portion of the cable jacket, the wear-resistant effect of the cable jacket 3 can be effectively improved by using the wear-resistant point 1 on the outer portion of the first protective layer 2, and the reinforcing layer 11, the first reinforcing layer 12 and the stabilizing layer 13 are disposed inside the first protective layer 2, the cable jacket 3 has good pressure resistance, the external force is prevented from acting, the cable jacket 3 is damaged, and the service life of the cable jacket is shortened.

In fig. 3 and 4: the inner side of the cable jacket 3 is provided with a second protective layer 4, the inner side of the second protective layer 4 is provided with a buffer layer 18, the outer part of the buffer layer 18 is provided with buffer balls 20, the outer side of the buffer layer 18 is provided with a second tensile layer 16, a buffer groove 21 matched with the buffer balls 20 is arranged below the second tensile layer 16, the buffer balls 20 are arranged in a semicircular shape, at least ten buffer balls 20 are arranged on the outer side of the buffer layer 18 at equal intervals, the buffer layer 18 is made of elastic rubber with the thickness of 2mm, the outer side of the second tensile layer 16 is provided with an adhesive layer 19, the outer side of the adhesive layer 19 is adhered with a first tensile layer 15, the outer side of the first tensile layer 15 is provided with a woven layer 17, the first tensile layer 15 and the second tensile layer 16 are the same in thickness, the first tensile layer 15 and the second tensile layer 16 are both made of soft copper materials, the woven layer 17 is a fiber woven layer, the second protective layer 4 is arranged inside the cable jacket 3, utilize the inboard first tensile layer 15 of second inoxidizing coating 4 and the tensile layer 16 of second, the pulling force that can effectual increase cable jacket 3 prevents to cause its damage under the great condition of external pulling force to the setting of weaving layer 17 can improve its holistic intensity, and is provided with buffer layer 18 in the second tensile layer 16 outside, can effectively play the effect of buffering, improves cable jacket 3's life.

In fig. 5 and 6: the inner side of the second protective layer 4 is provided with an armor layer 5, the inner side of the armor layer 5 is provided with a third protective layer 10, the inner side of the third protective layer 10 is provided with a sheath layer 7, the inner part of the sheath layer 7 is provided with a battery core 9, the outer part of the battery core 9 is filled with a filling layer 8 in the sheath layer 7, the inner side of the third protective layer 10 is provided with a fireproof layer 23, the inner side of the fireproof layer 23 is respectively provided with a second reinforcing layer 25, an elastic layer 26 and elastic strips 27 from bottom to top, the elastic layer 26 is made of elastic wave-shaped rubber, the elastic strips 27 are at least ten in equal distance on the inner side of the elastic layer 26, the elastic strips 27 are rubber components, a waterproof layer 22 is arranged above the elastic strips 27, the inner side of the waterproof layer 22 is coated with a second anticorrosive layer 24, the inner part of the second reinforcing layer 25 is a mixed layer of nylon and a plastic tape, the second anticorrosive layer 24 is a silicon rubber coating, and the second anticorrosive layer 24 is a phenolic resin composite material, be provided with waterproof layer 22 and flame retardant coating 23 in the inside of third protecting layer 10 for the inside of cable jacket 3 has fine waterproof and fire-proof performance, and through the setting of second anticorrosive coating 24 and second back up coat 25, can effectually play anticorrosive effect to the inside of cable jacket 3, and also can improve its inside reinforced effect, makes its life increase.

The working principle of the invention is as follows: the outer part of the cable jacket 3 is sleeved with a first protection layer 2, the outer part of the first protection layer 2 is provided with a wear-resistant point 1, the wear-resistant point 1 can increase the wear resistance of the cable jacket 3, so that the friction force between the cable jacket and the outside is better, the inner side of the first protection layer 2 is provided with a strengthening layer 11, a stabilizing layer 13, a first strengthening layer 12 and a first corrosion-resistant layer 14, the thickness of the strengthening layer 11 is the same as that of the stabilizing layer 13, the stability and the strength of the first protection layer 2 can be effectively increased through the strengthening layer 11 and the stabilizing layer 13, the thickness of the first strengthening layer 12 is twice as large as that of the stabilizing layer 13, so that the first strengthening layer 12 can effectively strengthen the whole tensile strength and prevent the tensile resistance of the cable jacket 3, the arrangement of the first corrosion-resistant layer 14 can effectively improve the corrosion-resistant effect of the cable jacket 3, the inner side of the cable jacket 3 is provided with a second protection layer 4, the first tensile layer 15 and the second tensile layer 16 are arranged inside the second protective layer 4, the thickness and the material of the first tensile layer 15 and the second tensile layer 16 are the same, so that the tensile force of the cable jacket 3 can be effectively increased, the cable jacket 3 is prevented from being damaged under the condition of large external tensile force, the arrangement of the woven layer 17 can improve the overall strength of the cable jacket, the buffer layer 18 is arranged outside the second tensile layer 16, the buffer effect can be effectively played, the service life of the cable jacket 3 is prolonged, the buffer ball 20 is embedded into the buffer groove 21 by utilizing the buffer ball 20 arranged above the buffer layer 18, the buffer effect is improved, the battery cell 9 is well protected, the second reinforcing layer 25 is arranged inside the third protective layer 10, the strength of the second reinforcing layer 25 is better, the fireproof layer 23 and the waterproof layer 22 are arranged inside the third protective layer 10, make cable jacket 3's inside have fine waterproof and fire-proof performance, and set up through second anticorrosive coating 24, can effectually play anticorrosive effect to cable jacket 3's inside, make its life increase, be provided with elastic layer 26 and elastic strip 27 in the top of second back up coat 25 simultaneously, elastic layer 26 is elasticity wave rubber material, elastic strip 27 is provided with ten at least equidistance in elastic layer 26's inboard, and elastic strip 27 is the rubber material component equally, make electric core 9 to cable jacket 3 inside play better buffering guard action.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The insulated soft cable with high tensile strength comprises a cable jacket (3), and is characterized in that a first protective layer (2) is sleeved outside the cable jacket (3), a reinforcing layer (11) is arranged on the inner side of the first protective layer (2), and the reinforcing layer (11), a first reinforcing layer (12) and a first anti-corrosion layer (14) are respectively arranged on the inner side of the reinforcing layer (11) from top to bottom;

a second protective layer (4) is arranged on the inner side of the cable jacket (3), a buffer layer (18) is arranged on the inner side of the second protective layer (4), buffer balls (20) are mounted outside the buffer layer (18), a second tensile layer (16) is arranged on the outer side of the buffer layer (18), a buffer groove (21) matched with the buffer balls (20) is formed below the second tensile layer (16), an adhesive layer (19) is arranged on the outer side of the second tensile layer (16), a first tensile layer (15) is adhered to the outer side of the adhesive layer (19), and a woven layer (17) is arranged on the outer side of the first tensile layer (15);

the outside of first inoxidizing coating (2) is provided with wear point (1), the inboard of second inoxidizing coating (4) is provided with armor (5), third protective layer (10) are installed to the inboard of armor (5), the inboard of third protective layer (10) is provided with restrictive coating (7), the internally mounted of restrictive coating (7) has electric core (9), and the inside of restrictive coating (7) has filling layer (8) in the outside packing of electric core (9), the inboard of third protective layer (10) is provided with flame retardant coating (23), the inboard from the bottom up of flame retardant coating (23) is provided with second back up coat (25), elastic layer (26) and elastic strip (27) respectively, the top of elastic strip (27) is provided with waterproof layer (22), the inboard of waterproof layer (22) scribbles second anticorrosive coating (24).

2. The insulated flexible power cable with high tensile strength as claimed in claim 1, wherein the first reinforcing layer (12) has a thick base twice the thickness of the stabilizing layer (13), the stabilizing layer (13) is made of high-fiber polyester material, and the first corrosion-resistant layer (14) is a silicone rubber coating.

3. The insulated flexible power cable with high tensile strength as claimed in claim 1, wherein the first tensile layer (15) and the second tensile layer (16) have the same thickness, and the first tensile layer (15) and the second tensile layer (16) are both made of soft copper, and the braided layer (17) is a fiber braided layer.

4. The insulated flexible cable with high tensile strength as claimed in claim 1, wherein the buffering balls (20) are arranged in a semicircular shape, at least ten buffering balls (20) are equidistantly arranged on the outer side of the buffering layer (18), and the buffering layer (18) is made of elastic rubber with a thickness of 2 mm.

5. The insulated flexible cable with high tensile strength as claimed in claim 1, wherein the elastic layer (26) is made of elastic wave-shaped rubber, at least ten elastic strips (27) are arranged on the inner side of the elastic layer (26) at equal intervals, and the elastic strips (27) are also rubber members.

6. The insulated flexible cable with high tensile strength as claimed in claim 1, wherein the second reinforcing layer (25) is a mixed layer of nylon and plastic tapes, the second anti-corrosion layer (24) is a silicone rubber coating, and the second anti-corrosion layer (24) is a phenolic resin composite material.