CN215007604U - Resistance to compression wear-resisting type cable - Google Patents

Abstract

The utility model belongs to the technical field of cables, in particular to a compression-resistant wear-resistant cable, which comprises a plurality of wire cores; a buffer cushion is arranged between the adjacent sides of the plurality of wire cores, the plurality of wire cores are wrapped in a shielding layer, and adhesion layers are filled among the shielding layer, the wire cores and the buffer cushion; the shielding layer is wrapped with an insulating layer, the insulating layer is wrapped with a buffer layer, and the buffer layer is wrapped with a wear-resistant layer; the inner wall and the outer wall of the buffer layer are respectively and annularly and uniformly provided with a plurality of first elastic bulges and second elastic bulges which are arranged at intervals, the first elastic bulges are abutted against the outer wall of the insulating layer, and a first buffer cavity is formed between every two adjacent first elastic bulges; the second elastic bulges are abutted against the inner wall of the wear-resistant layer, and a second buffer cavity is formed between every two adjacent second elastic bulges; through blotter and buffer layer protection sinle silk, improved the security performance of cable to and the life of cable.

Description

Resistance to compression wear-resisting type cable

Technical Field

The utility model belongs to the technical field of the cable, especially, relate to a wear-resisting type cable of resistance to compression.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting electric power and other multiple functions, is a common and indispensable object in daily life, needs to be particularly cautious in installation because the cable is electrified, and is mainly formed by twisting PVC plastic particles into cables, processing sheath insulation and copper wires of various specifications.

The existing cable is more and more used along with the development of the society, the application field is more and more extensive, the requirements on the type and the performance of the cable are higher and higher, and after the cable is used for a long time, the outer part of the cable can be worn, so that an inner conductor is easily damaged, the cable is easily subjected to electric leakage, the safety performance of the cable can be further reduced, and the service life of the cable is also reduced; at present, the cable of abrasionproof decreases has also appeared on the market, but this cable resistance to compression effect is not good, receives to appear losing and damage the phenomenon easily after the extrusion, reduces the life of cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting type cable of resistance to compression, it is not high to aim at solving the cable wear-resisting effect among the prior art, and the cable outside is worn and torn easily after long-time the use, reduces the security performance and the life of cable to and cable resistance to compression effect is not good, receives to appear losing and damage the phenomenon easily after the extrusion, reduces the technical problem of the life of cable.

In order to achieve the above object, an embodiment of the present invention provides a compression-resistant and wear-resistant cable, which includes a plurality of cores; a buffer cushion is arranged between the adjacent sides of the plurality of wire cores, the plurality of wire cores are wrapped in a shielding layer, and adhesion layers are filled among the shielding layer, the wire cores and the buffer cushion; the shielding layer is wrapped with an insulating layer, the insulating layer is wrapped with a buffer layer, and the buffer layer is wrapped with a wear-resistant layer; the inner wall and the outer wall of the buffer layer are respectively and annularly and uniformly provided with a plurality of first elastic bulges and second elastic bulges which are arranged at intervals, the first elastic bulges are abutted against the outer wall of the insulating layer, and a first buffer cavity is formed between every two adjacent first elastic bulges; the second elastic bulges are abutted to the inner wall of the wear-resistant layer, and a second buffer cavity is formed between every two adjacent second elastic bulges.

Optionally, the first elastic protrusion and the second elastic protrusion are arranged in a staggered manner.

Optionally, the first elastic protrusion and the second elastic protrusion are semicircular in cross section.

Optionally, the cross section of each of the first elastic protrusion and the second elastic protrusion is rectangular or trapezoidal.

Optionally, the wear resistant layer comprises a first wear resistant layer and a second wear resistant layer; the second elasticity protruding with the inner wall butt of second wearing layer, first wearing layer parcel in outside the second wearing layer, just the inner wall of first wearing layer with the outer wall of second wearing layer is hugged closely.

Optionally, the outer wall of the first wear-resistant layer is uniformly provided with a plurality of circles of anti-wear protrusions, and each circle of anti-wear protrusions is provided with a plurality of uniformly distributed anti-wear protrusions; and the two adjacent circles of the anti-abrasion bulges are arranged in a staggered manner.

Optionally, the wear prevention protrusion is hemispherical.

Optionally, a plurality of installation grooves with semicircular cross sections are uniformly distributed on the outer wall of the cushion pad in an annular manner, and each wire core is correspondingly installed in one installation groove.

Optionally, the cushion pad is made of sponge, and the buffer layer is made of rubber.

Optionally, the first wear-resistant layer is made of polyvinyl chloride, and the second wear-resistant layer is made of clay.

Compared with the prior art, the embodiment of the utility model provides an above-mentioned one or more technical scheme in the wear-resisting type cable of resistance to compression have one of following technological effect at least:

1. because the buffer layers are arranged outside the plurality of wire cores, when the cable is extruded, the first elastic bulge and the second elastic bulge can elastically deform, and the first buffer cavity and the second buffer cavity respectively provide space for the deformation of the first elastic bulge and the second elastic bulge, so that the first elastic bulge and the second elastic bulge can buffer the external extrusion force, the pressure of the wire cores positioned in the cable is reduced, and the wire cores are not easy to damage; simultaneously, because be equipped with the blotter between the one side that many sinle silks are pressed close to each other, the blotter also can play the effect of the outside extrusion force of buffering, avoids hard extrusion and damage between many sinle silks, further protects the sinle silk, has improved the security performance of cable to and the life of cable.

2. Through set up the wearing layer outside the core, reinforcing cable outer wall's wearability and intensity for the difficult wearing and tearing of cable outer wall have improved the security performance of cable, and the life of cable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced 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 inventive labor.

Fig. 1 is a schematic structural view of a pressure-resistant and wear-resistant cable according to a first embodiment of the present invention.

Fig. 2 is a cross-sectional view of the pressure-resistant and wear-resistant cable according to the first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a buffer layer according to a first embodiment of the present invention.

Fig. 4 is a cross-sectional view of a pressure-resistant and wear-resistant cable according to the second embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a buffer layer according to a second embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a cushion pad according to a first embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

the cable core 100, the buffer pad 200, the mounting groove 210, the shielding layer 300, the adhesion layer 400, the insulating layer 500, the buffer layer 600, the first elastic protrusion 610, the first buffer cavity 611, the second elastic protrusion 620, the second buffer cavity 621, the wear-resistant layer 700, the first wear-resistant layer 710, the anti-wear protrusion 711, and the second wear-resistant layer 720.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, referring to fig. 1, 2 and 3, a pressure and wear resistant cable is provided, including a plurality of cores 100.

Referring to fig. 1, 2 and 3, a buffer pad 200 is disposed between adjacent sides of the plurality of wire cores 100, the plurality of wire cores 100 are wrapped in a shielding layer 300, an adhesive layer 400 is filled between the shielding layer 300, the wire cores 100 and the buffer pad 200, and the plurality of wire cores 100, the buffer pad 200 and the shielding layer 300 are adhered to each other through the adhesive layer 400. The adhesion layer 400 is an epoxy resin adhesion layer, and has a good adhesion effect. Through shielding layer 300 outside electronic equipment is to sinle silk 100's interference, wherein, shielding layer 300 is the copper wire shielding layer, and shielding effect is good.

Referring to fig. 1, 2 and 3, the shielding layer 300 is wrapped by an insulating layer 500, and the insulating layer 500 is plastic and plays a role in isolating current. The insulating layer 500 is wrapped by a buffer layer 600, and the buffer layer 600 is wrapped by a wear-resistant layer 700.

Referring to fig. 1, 2 and 3, a plurality of first elastic protrusions 610 and second elastic protrusions 620 arranged at intervals are respectively and annularly and uniformly distributed on the inner wall and the outer wall of the buffer layer 600, the first elastic protrusions 610 are abutted to the outer wall of the insulating layer 500, and a first buffer cavity 611 is formed between every two adjacent first elastic protrusions 610. The second elastic protrusions 620 are abutted against the inner wall of the wear-resistant layer 700, and a second buffer cavity 621 is formed between every two adjacent second elastic protrusions 620.

Specifically, buffer layer 600 is integrated into one piece, and processing is convenient.

Because the buffer layer 600 is arranged outside the plurality of wire cores 100, when the cable is extruded, the first elastic bulge 610 and the second elastic bulge 620 can elastically deform, and the first buffer cavity 611 and the second buffer cavity 621 respectively provide space for the deformation of the first elastic bulge 610 and the second elastic bulge 620, so that the first elastic bulge 610 and the second elastic bulge 620 can buffer the external extrusion force, the pressure of the wire cores 100 positioned in the cable is reduced, and the wire cores 100 are not easily damaged; simultaneously, because be equipped with blotter 200 between the one side that many sinle silks 100 are pressed close to each other, blotter 200 also can play the effect of the outside extrusion force of buffering, avoids hard extrusion and damage between many sinle silks 100, further protects sinle silks 100, has improved the security performance of cable to and the life of cable.

In addition, the abrasion-resistant layer 700 is arranged outside the wire core 100, so that the abrasion resistance and the strength of the outer wall of the cable are enhanced, the outer wall of the cable is not easy to abrade, the safety performance of the cable is improved, and the service life of the cable is prolonged.

In another embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 3, the first elastic protrusion 610 and the second elastic protrusion 620 are disposed in a staggered manner, so as to uniformly buffer the external extrusion force on the cable, and the buffering effect is good.

In another embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 3, the cross-section of the first elastic protrusion 610 and the second elastic protrusion 620 are semicircular, so that the elasticity of the first elastic protrusion 610 and the second elastic protrusion 620 is good, and the buffering effect is good.

In another embodiment of the present invention, referring to fig. 4 and 5, the cross-section of each of the first elastic protrusion 610 and the second elastic protrusion 620 is rectangular or trapezoidal, so that the first elastic protrusion 610 and the second elastic protrusion 620 have elasticity, and the first elastic protrusion 610 and the second elastic protrusion 620 have good support.

In another embodiment of the present invention, referring to fig. 1, 2 and 3, the wear layer 700 includes a first wear layer 710 and a second wear layer 720. The second elastic protrusion 610 abuts against the inner wall of the second wear-resistant layer 720, the first wear-resistant layer 710 is wrapped outside the second wear-resistant layer 720, and the inner wall of the first wear-resistant layer 710 is tightly attached to the outer wall of the second wear-resistant layer 720. Through first wearing layer 710 and the mutual effect of second wearing layer 720, promoted the wearability and the intensity of cable outer wall greatly, even first wearing layer 710 has worn and torn, the inside sinle silk of second wearing layer 720 protection cable in addition, the security is high.

Specifically, the first wear-resistant layer 710 is made of polyvinyl chloride, which has high wear resistance. The second wear-resistant layer 720 is made of clay, and the clay has high wear resistance.

In another embodiment of the present invention, referring to fig. 1, 2 and 3, the outer wall of the first wear layer 710 is uniformly provided with a plurality of circles of anti-wear protrusions 711, and each circle of the anti-wear protrusions 711 has a plurality of evenly distributed anti-wear protrusions 711. The two adjacent circles of the anti-wear protrusions 711 are arranged in a staggered mode. Through setting up the protruding 711 of abrasionproof makes protruding 711 of abrasionproof and environmental object contact, avoids first wearing layer 710 and environmental object direct contact to produce the friction, plays the effect of protecting first wearing layer 710, reduces the wearing and tearing of first wearing layer 710, and then the life of cable. Meanwhile, the anti-abrasion protrusions 711 enhance the friction force of the outer wall of the cable, and installation personnel can pull the cable conveniently during construction.

Further, referring to fig. 1, 2 and 3, the anti-wear protrusion 711 is hemispherical, so that a contact area between the anti-wear protrusion 711 and an environmental object is reduced, friction is reduced, and wear is reduced.

In another embodiment of the present invention, referring to fig. 2 and 6, the annular uniform distribution of the outer wall of the buffer pad 200 has a plurality of mounting grooves 210 with semicircular cross sections, each of the wire cores 100 is correspondingly mounted on one of the mounting grooves 210, the installation is stable, and the stress of the buffer pad 200 is uniform.

In another embodiment of the present invention, referring to fig. 2, 3 and 6, the cushion pad 200 is made of sponge, and the sponge has good elasticity. The buffer layer 600 is made of rubber, and the rubber has good elasticity and support performance.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims (10)

1. The pressure-resistant and wear-resistant cable is characterized by comprising a plurality of wire cores; a buffer cushion is arranged between the adjacent sides of the plurality of wire cores, the plurality of wire cores are wrapped in a shielding layer, and adhesion layers are filled among the shielding layer, the wire cores and the buffer cushion; the shielding layer is wrapped with an insulating layer, the insulating layer is wrapped with a buffer layer, and the buffer layer is wrapped with a wear-resistant layer; the inner wall and the outer wall of the buffer layer are respectively and annularly and uniformly provided with a plurality of first elastic bulges and second elastic bulges which are arranged at intervals, the first elastic bulges are abutted against the outer wall of the insulating layer, and a first buffer cavity is formed between every two adjacent first elastic bulges; the second elastic bulges are abutted to the inner wall of the wear-resistant layer, and a second buffer cavity is formed between every two adjacent second elastic bulges.

2. The pressure resistant, abrasion resistant cable of claim 1, wherein: the first elastic bulge and the second elastic bulge are arranged in a staggered mode.

3. The pressure resistant, abrasion resistant cable of claim 2, wherein: the cross sections of the first elastic bulge and the second elastic bulge are semicircular.

4. The pressure resistant, abrasion resistant cable of claim 2, wherein: the cross sections of the first elastic bulge and the second elastic bulge are rectangular or trapezoidal.

5. The pressure resistant, abrasion resistant cable of claim 1, wherein: the wear-resistant layer comprises a first wear-resistant layer and a second wear-resistant layer; the second elasticity protruding with the inner wall butt of second wearing layer, first wearing layer parcel in outside the second wearing layer, just the inner wall of first wearing layer with the outer wall of second wearing layer is hugged closely.

6. The pressure resistant, abrasion resistant cable of claim 5, wherein: the outer wall of the first wear-resistant layer is uniformly provided with a plurality of circles of anti-abrasion bulges, and each circle of anti-abrasion bulges is provided with a plurality of uniformly distributed anti-abrasion bulges; and the two adjacent circles of the anti-abrasion bulges are arranged in a staggered manner.

7. The pressure resistant, abrasion resistant cable of claim 6, wherein: the anti-abrasion bulge is hemispherical.

8. The pressure resistant, abrasion resistant cable of claim 5, wherein: the outer wall of the buffer cushion is annularly and uniformly distributed with a plurality of installation grooves with semicircular cross sections, and each wire core is correspondingly installed in one installation groove.

9. The pressure resistant, abrasion resistant cable of claim 5, wherein: the material of blotter is the sponge, the material of buffer layer is rubber.

10. The pressure resistant, abrasion resistant cable of claim 5, wherein: the material of first wearing layer is polyvinyl chloride, the material of second wearing layer is the clay.

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