CN114496362A - Security protection cable - Google Patents
Security protection cable Download PDFInfo
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- CN114496362A CN114496362A CN202111640360.4A CN202111640360A CN114496362A CN 114496362 A CN114496362 A CN 114496362A CN 202111640360 A CN202111640360 A CN 202111640360A CN 114496362 A CN114496362 A CN 114496362A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/185—Sheaths comprising internal cavities or channels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
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- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to the field of cables, and discloses a security cable which comprises a cable body, wherein the cable body comprises a wire core and a coating layer, the wire core comprises a supporting frame and a metal wire, the supporting frame comprises a framework and a plurality of mounting frames, a plurality of mounting holes for accommodating the metal wire are formed in the mounting frames along the width direction of the mounting frames, the length direction of each mounting hole is parallel to the length direction of the framework, and each mounting hole accommodates one metal wire; two elastic compression resisting parts which are symmetrically arranged are formed on the outer edge of the mounting frame in the width direction, the elastic compression resisting parts are abutted against the coating layer, the cross section of each elastic compression resisting part is arc-shaped, and the elastic compression resisting parts on the same mounting frame are bent in the directions which deviate from each other; be formed with first space between adjacent mounting bracket and the coating, be formed with the second space between two elasticity anti-pressfitting on same mounting bracket and the coating, be filled with the elasticity filler in first space and the second space respectively.
Description
Technical Field
The invention relates to the field of cables, in particular to a security cable.
Background
In a security engineering project, a complete security monitoring system mainly comprises a camera, a security cable and a monitoring platform, wherein the camera is used for recording images and videos, the security cable is used for transmitting video signals, control signals and other data information, and the camera can transmit the video signals to the monitoring platform through the security cable, so that security monitoring of a specific scene area is realized.
The security cable is used as a key for transmitting video signals of the whole security monitoring system; when a lawbreaker makes a case and needs to destroy a security monitoring system, a security cable which is a key for signal transmission is usually destroyed, the security cable is usually cut off by a sharp tool, and the structure of the security cable is destroyed, so that the purpose that the signal cannot be transmitted is achieved, and the whole security monitoring system is destroyed.
The existing security cable is generally formed by coating a metal conductor such as tinned copper by a plastic insulating material and glue to isolate the metal conductor from the external environment; however, the whole protection capability of the existing security cable is poor, the anti-shearing capability is weak, and the normal operation of the whole security monitoring system is affected by shearing damage easily.
Disclosure of Invention
The invention aims to provide a security cable, and solves the problems that the security cable in the prior art is poor in anti-shearing capability and is easy to be sheared and damaged.
In order to achieve the above purpose, the basic scheme of the invention is as follows: a security cable comprises a cable body, wherein the cable body comprises a wire core and a coating layer which are sequentially arranged from inside to outside, the wire core comprises a supporting frame and a metal wire, the supporting frame comprises a bendable framework, the framework is positioned at the center of the wire core, a plurality of mounting frames are distributed on the surface of the framework along the circumferential direction of the framework, the length direction of each mounting frame is parallel to the length direction of the framework, and the width direction of each mounting frame is parallel to the radial direction of the wire core; a plurality of mounting pore passages for accommodating metal wires are formed in the mounting rack along the width direction of the mounting rack, the length direction of each mounting pore passage is parallel to the length direction of the framework, and each mounting pore passage accommodates one metal wire; the outer edge of the mounting frame in the width direction is provided with two elastic compression resisting parts which are symmetrically arranged, the elastic compression resisting parts are abutted against the coating layer, the cross sections of the elastic compression resisting parts are arc-shaped, and the elastic compression resisting parts on the same mounting frame are bent in directions deviating from each other; be formed with first space between adjacent mounting bracket and the coating, be formed with the second space between two elasticity anti-pressfitting on same mounting bracket and the coating, be filled with the elasticity filler in first space and the second space respectively.
Furthermore, a plurality of compression-resistant convex parts are distributed on the surface of the cladding layer along the circumferential direction of the cladding layer, the length direction of the compression-resistant convex parts is parallel to the length direction of the wire core, each compression-resistant convex part corresponds to each mounting frame respectively, and each compression-resistant convex part is located between two elastic compression-resistant parts of each mounting frame respectively.
Further, the coating layer comprises an outer rubber layer, a protective layer, an anti-corrosion layer, a shielding layer and an insulating layer which are sequentially arranged from outside to inside, the protective layer is of an elastic steel wire mesh structure, and the surface of the protective layer is coated with a zinc coating; the anti-corrosion layer is made of an epoxy resin composite material, the shielding layer is formed by rotationally winding and weaving aluminum foils, and the insulating layer is made of a polyethylene material.
Furthermore, a first connecting assembly and a second connecting assembly are respectively arranged at two ends of the cable body, the first connecting assembly comprises a first circular shell, two ends of the first circular shell are both in an open structure, one open end is fixedly sleeved at one end of the cable body, and an internal thread is arranged inside the other open end; the second connecting assembly comprises a second circular shell, the second circular shell is fixedly sleeved at the other end of the cable body, the end part of the cable body is exposed out of the second circular shell, and external threads are arranged outside the second circular shell; different cable bodies can be connected with each other by the first circular shell and the second circular shell in a threaded manner.
Furthermore, a connecting part is arranged inside the first circular shell, a plurality of annular conductive grooves and a plurality of annular insulating bulges are sequentially arranged on two side surfaces of the connecting part at intervals along the center to the outer edge of the connecting part, and each annular conductive groove corresponds to the metal wire in each mounting pore channel of the mounting frame; when different cable bodies are connected with each other through the first connecting assembly and the second connecting assembly, the metal wires in different cable bodies abut against the annular conductive grooves corresponding to the metal wires respectively, and the metal wire in one cable body can conduct electricity to the corresponding metal wire in the other cable body through the annular conductive groove corresponding to the metal wire.
Further, the skeleton is hollow circular cylinder structure, the skeleton intussuseption is filled with elastic filler, the skeleton is formed with a plurality of deformation portions along its circumference, deformation portion respectively with one side fixed connection of each mounting bracket.
Furthermore, the mounting frames are asymmetrically distributed about the center line of the wire core, one of the mounting frames is defined as a spare frame, the metal wire in the mounting hole in the spare frame is defined as a spare wire, and the end part of each spare wire is arranged in the mounting hole; the standby rack is internally provided with a mounting groove which is communicated with each mounting pore channel in the standby rack; a rotating shaft is arranged in the mounting groove, a first sliding groove and a second sliding groove which are mutually communicated are arranged on the outer surface of the rotating shaft, the first sliding groove is parallel to the central axis of the rotating shaft, the first sliding groove is positioned on the side surface of the rotating shaft and close to the deformation part of the framework, and the second sliding groove is annularly distributed on the surface of the rotating shaft; the mounting groove inner wall is equipped with limiting slide block, place in the first spout and can follow first spout and slide to the second spout in the limiting slide block.
Furthermore, the rotating shaft is an elastic telescopic shaft body, one end of the rotating shaft abuts against the inner wall of the mounting groove, and the other end of the rotating shaft penetrates through the standby frame and abuts against the deformation part of the framework; the rotating shaft is sleeved with a clockwork spring which is in a tightening state, each standby conducting wire is wound on the rotating shaft, and one point of each standby conducting wire is fixedly connected with the surface of the rotating shaft; the clockwork spring can drive the rotating shaft to rotate so as to drive each spare conductor to extend outwards from the mounting hole channel and abut against the annular conductive groove.
Further, the elastic filler is an EPE filler material.
Compared with the prior art, the scheme has the beneficial effects that:
1. the security protection cable of this scheme comprises sinle silk and coating, is equipped with skeleton and the mounting bracket that is used for supporting the stability of whole sinle silk in the sinle silk, places the installation pore of mounting bracket in the metal wire simultaneously in, can protect metal wire, simultaneously, the elasticity filler of first space and second space intussuseption can play the effect of buffering protection to the sinle silk itself.
2. The coating layer comprises an outer rubber layer, a protective layer, an anti-corrosion layer, a shielding layer and an insulating layer which are sequentially arranged from outside to inside, and each layer respectively plays a certain degree of physical protection on the wire core; the coating layer is coated outside the wire core, and the plurality of compression-resistant convex parts distributed on the surface of the coating layer along the circumferential direction of the coating layer can play a role in compression-resistant protection.
3. When a plurality of cable bodies are required to be connected together for use, different cable bodies can be connected with each other through the first connecting assembly and the second connecting assembly, and when different cable bodies are connected together, metal conducting wires in different cable bodies respectively abut against annular conducting grooves corresponding to the different cable bodies, the metal conducting wires in one cable body can conduct electricity to the corresponding metal conducting wires in the other cable body through the annular conducting grooves corresponding to the different cable bodies, and the use is more convenient.
4. When the cable body is sheared by the sharp tool, the cable body is in point contact with the sharp tool, the sharp tool is in contact with the compression-resistant convex part on the outer surface of the coating layer and applies extrusion force to the cable body, the compression-resistant convex part plays a primary protection to the wire core, each layer structure of the coating layer plays a secondary protection to the wire core, meanwhile, the extrusion force can be transmitted into the wire core from the coating layer, and the elastic compression-resistant part on the mounting frame can further play a compression-resistant protection role and play a tertiary protection role; meanwhile, the elastic filler in the wire core can be stressed to deform by applying external force through the conduction of each layer of coating layer, so that a reaction force is generated and counterbalanced with external extrusion force, and the wire core is further protected; when the external force is removed, the elastic filler enables the inner part of the wire core to be restored to the initial state.
Drawings
FIG. 1 is a schematic view of an overall structure of a security cable according to the present invention;
FIG. 2 is a side view of the cable body of the present invention;
FIG. 3 is a side view of the connecting portion of the present invention;
FIG. 4 is a side cross-sectional structural view of the spare rack of the present invention;
fig. 5 is a partial structural schematic view of the rotating shaft in the present invention.
Reference numerals in the drawings of the specification include: the connecting structure comprises a first connecting assembly 1, a connecting part 11, an annular conductive groove 12, an annular insulating bulge 13, a second connecting assembly 2, a coating layer 3, a wire core 4, a framework 41, elastic fillers 42, a compression-resistant convex part 5, an installation frame 6, an elastic compression-resistant part 61, a metal wire 62, a standby frame 7, an installation groove 71, an installation pore channel 8, a standby wire 81, a rotating shaft 9, a first sliding groove 91 and a second sliding groove 92.
Detailed Description
The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:
example (b):
a security cable comprises a cable body, as shown in figures 1 to 5, the cable body comprises a wire core 4 and a coating layer 3 which are sequentially arranged from inside to outside, the wire core 4 comprises a supporting frame and a metal wire 62, the supporting frame comprises a bendable framework 41, the framework 41 is positioned at the center of the wire core 4, a plurality of mounting frames 6 are distributed on the surface of the framework 41 along the circumferential direction of the framework, the length direction of each mounting frame 6 is parallel to the length direction of the framework 41, and the width direction of each mounting frame 6 is parallel to the radial direction of the wire core 4; a plurality of mounting holes 8 for accommodating the metal wires 62 are formed in the mounting frame 6 along the width direction thereof, the length direction of each mounting hole 8 is parallel to the length direction of the framework 41, and each mounting hole 8 accommodates one metal wire 62; two elastic compression resisting parts 61 which are symmetrically arranged are formed on the outer edge of the mounting frame 6 in the width direction, the elastic compression resisting parts 61 are abutted against the coating layer 3, the cross section of each elastic compression resisting part 61 is arc-shaped, and the elastic compression resisting parts 61 on the same mounting frame 6 are bent in the direction of deviating from each other; a first gap is formed between the adjacent mounting frame 6 and the coating layer 3, a second gap is formed between the two elastic compression resisting parts 61 on the same mounting frame 6 and the coating layer 3, elastic fillers 42 are respectively filled in the first gap and the second gap, and the elastic fillers 42 are EPE filling materials.
The surface of the coating layer 3 is distributed with a plurality of compression-resistant convex parts 5 along the circumferential direction, the length direction of the compression-resistant convex parts is parallel to the length direction of the wire core 4, each compression-resistant convex part 5 corresponds to each mounting frame 6 respectively, and each compression-resistant convex part 5 is positioned in the middle of two elastic compression-resistant parts 61 of the mounting frame 6 respectively. The coating layer 3 comprises a rubber outer layer, a protective layer, an anti-corrosion layer, a shielding layer and an insulating layer which are sequentially arranged from outside to inside, the protective layer is of an elastic steel wire mesh structure, and the surface of the protective layer is coated with a zinc coating; the anti-corrosion layer is made of epoxy resin composite materials, the shielding layer is formed by rotationally winding and weaving aluminum foils, and the insulating layer is made of polyethylene materials.
The cable comprises a cable body, wherein a first connecting component 1 and a second connecting component 2 are respectively arranged at two ends of the cable body, the first connecting component 1 comprises a first circular shell, two ends of the first circular shell are both in an open structure, one open end is fixedly sleeved at one end of the cable body, and an internal thread is arranged inside the other open end; the second connecting assembly 2 comprises a second circular shell, the second circular shell is fixedly sleeved at the other end of the cable body, the end part of the cable body is exposed out of the second circular shell, and external threads are arranged outside the second circular shell; different cable bodies can be connected with each other by the first circular shell and the second circular shell in a threaded manner.
A connecting part 11 is arranged in the first circular shell, a plurality of annular conductive grooves 12 and a plurality of annular insulating bulges 13 are sequentially arranged on two side surfaces of the connecting part 11 along the center to the outer edge of the connecting part at intervals, and each annular conductive groove 12 corresponds to the metal wire 62 in each mounting pore channel 8 of the mounting rack 6; when different cable bodies are connected with each other through the first connecting component 1 and the second connecting component 2, the metal wires 62 in different cable bodies abut against the corresponding annular conductive grooves 12, and the metal wire 62 in one cable body can conduct electricity to the corresponding metal wire 62 in the other cable body through the corresponding annular conductive groove 12.
The framework 41 is a hollow cylindrical structure, the framework 41 is filled with an elastic filler 42, and the elastic filler 42 is an EPE filler. The framework 41 is formed with a plurality of deformation portions along the circumferential direction thereof, and the deformation portions are respectively fixedly connected with one side of each mounting frame 6.
The mounting frames 6 are asymmetrically distributed about the central line of the wire core 4, one mounting frame 6 is defined as a standby frame 7, the metal wire 62 in the mounting hole 8 in the standby frame 7 is defined as a standby wire 81, and the end part of each standby wire 81 is arranged in the mounting hole 8; the standby rack 7 is internally provided with a mounting groove 71, and the mounting groove 71 is communicated with each mounting pore channel 8 in the standby rack 7; a rotating shaft 9 is arranged in the mounting groove 71, a first sliding groove 91 and a second sliding groove 92 which are mutually communicated are arranged on the outer surface of the rotating shaft 9, the first sliding groove 91 is parallel to the central axis of the rotating shaft 9, the first sliding groove 91 is positioned on the side surface of the rotating shaft 9 and close to the deformation part of the framework 41, and the second sliding groove 92 is annularly distributed on the surface of the rotating shaft 9; the inner wall of the mounting groove 71 is provided with a limiting slide block, and the limiting slide block is arranged in the first sliding groove 91 and can slide to the second sliding groove 92 along the first sliding groove 91.
The rotating shaft 9 is an elastic telescopic shaft body, one end of the rotating shaft 9 abuts against the inner wall of the mounting groove 71, and the other end of the rotating shaft 9 penetrates through the standby frame 7 and abuts against the deformation part of the framework 41; a spring (not shown) is sleeved on the rotating shaft 9 and is in a tightening state, each standby conducting wire 81 is wound on the rotating shaft 9, and one point on each standby conducting wire 81 is fixedly connected with the surface of the rotating shaft 9; the spring can drive the rotating shaft 9 to rotate so as to drive each spare wire 81 to extend out of the mounting hole 8 and abut against the annular conductive groove 12.
The specific implementation mode of the scheme is as follows:
the security protection cable of this scheme comprises sinle silk 4 and coating 3, is equipped with skeleton 41 and the mounting bracket 6 that is used for supporting the stability of whole sinle silk 4 in the sinle silk 4, places in mounting bracket 6's installation pore 8 in the wire 62 simultaneously, can protect wire 62, and simultaneously, the elasticity filler 42 of first space and the intussuseption of second space can play the effect of buffering protection to sinle silk 4 itself.
The coating layer 3 comprises a rubber outer layer, a protective layer, an anti-corrosion layer, a shielding layer and an insulating layer which are sequentially arranged from outside to inside, and each layer respectively plays a certain degree of physical protection on the wire core 4; the coating layer 3 is coated outside the wire core 4, and the plurality of compression-resistant convex parts 5 distributed on the surface of the coating layer 3 along the circumferential direction of the coating layer can play compression-resistant protection.
In the actual use process, a plurality of cable bodies are connected together for use, different cable bodies can be connected with each other through the first connecting assembly 1 and the second connecting assembly 2, and when the different cable bodies are connected together, the metal wires 62 in the different cable bodies abut against the annular conductive grooves 12 corresponding to the different cable bodies respectively, and the metal wire 62 in one cable body can conduct electricity to the corresponding metal wire 62 in the other cable body through the annular conductive groove 12 corresponding to the different cable body.
When the cable body is sheared by a sharp tool, the cable body is in point contact with the sharp tool, the sharp tool is in contact with the compression-resistant convex part 5 on the outer surface of the coating layer 3 and applies extrusion force to the cable body, the compression-resistant convex part 5 plays a primary protection role on the wire core 4, each layer structure of the coating layer 3 plays a secondary protection role on the wire core 4, meanwhile, the extrusion force can be transmitted into the wire core 4 from the coating layer 3, and the elastic compression-resistant part 61 on the mounting frame 6 can further play a compression-resistant protection role and play a tertiary protection role; meanwhile, the elastic filler 42 in the wire core 4 is stressed and deformed by the conduction of external force applied through each layer of coating layer 3, so that a reaction force is generated and counterbalanced with external extrusion force, and the wire core 4 is further protected; when the external force is removed, the elastic filler 42 can restore the inner part of the wire core 4 to the initial state.
When external force is applied to the cable body, the external force is applied to a force application point of one compression-resistant protrusion outside the cable body, when the external force is continuously increased, the external force sequentially passes through the compression-resistant protrusion, each layer of coating layer 3 and the elastic filler 42 to apply radial pressure to the mounting frame 6, the mounting frame 6 is subjected to the pressure and deviates to a certain degree in the direction of the central line of the framework 41, and therefore the metal wire 62 on the mounting frame 6 is separated from the annular conductive groove 12 of the connecting part 11 and cannot conduct conductive transmission; when the mounting rack 6 deviates to the direction of the central line of the framework 41, the deformation part connected with the mounting rack deforms towards the interior of the framework 41, and the elastic filler 42 inside the frame 41 is extruded, the elastic filler 42 will deform toward the direction of the deformation part connected with the standby frame 7, further, the deformation part is deformed toward the direction of the standby rack 7, and axial pressure is applied to the rotating shaft 9 abutting against the deformation part, so that the limiting slide block originally positioned in the first sliding groove 91 moves into the second sliding groove 92, thereby the rotating shaft 9 is separated from the limiting function of the limiting slide block, the clockwork spring can release energy at the moment, and the rotating shaft 9 is driven to rotate so that each spare conducting wire 81 wound on the rotating shaft 9 extends outwards along the mounting pore channel 8 to just abut against the annular conducting groove 12, thereby making up for the lack of conductive conduction of the metal wire 62 on one of the mounts 6 being offset so that it is not conductive.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. The utility model provides a security protection cable, includes the cable body, the cable body includes from interior to exterior sinle silk and the coating that sets gradually, its characterized in that: the cable core comprises a support frame and a metal wire, the support frame comprises a bendable framework, the framework is positioned in the center of the cable core, a plurality of mounting frames are distributed on the surface of the framework along the circumferential direction of the framework, the length direction of the mounting frames is parallel to the length direction of the framework, and the width direction of the mounting frames is parallel to the radial direction of the cable core; a plurality of mounting pore passages for accommodating metal wires are formed in the mounting rack along the width direction of the mounting rack, the length direction of each mounting pore passage is parallel to the length direction of the framework, and each mounting pore passage accommodates one metal wire; two elastic compression resisting parts which are symmetrically arranged are formed on the outer edge of the mounting frame in the width direction, the elastic compression resisting parts are abutted against the coating layer, the cross sections of the elastic compression resisting parts are arc-shaped, and the elastic compression resisting parts on the same mounting frame are bent in the directions which are mutually deviated; be formed with first space between adjacent mounting bracket and the coating, be formed with the second space between two elasticity anti-pressfitting on same mounting bracket and the coating, be filled with the elasticity filler in first space and the second space respectively.
2. The security cable according to claim 1, wherein: a plurality of compression-resistant convex parts are distributed on the surface of the cladding layer along the circumferential direction of the cladding layer, the length direction of the cladding layer is parallel to the length direction of the wire core, each compression-resistant convex part corresponds to each mounting frame respectively, and each compression-resistant convex part is located between two elastic compression-resistant parts of each mounting frame respectively.
3. The security cable according to claim 2, wherein: the coating layer comprises an outer rubber layer, a protective layer, an anti-corrosion layer, a shielding layer and an insulating layer which are sequentially arranged from outside to inside, the protective layer is of an elastic steel wire mesh structure, and the surface of the protective layer is coated with a zinc coating; the anti-corrosion layer is made of epoxy resin composite materials, the shielding layer is formed by rotationally winding and weaving aluminum foils, and the insulating layer is made of polyethylene materials.
4. The security cable according to claim 1, wherein: the cable comprises a cable body and is characterized in that a first connecting assembly and a second connecting assembly are respectively arranged at two ends of the cable body, the first connecting assembly comprises a first circular shell, two ends of the first circular shell are both in an open structure, one open end is fixedly sleeved at one end of the cable body, and an internal thread is arranged inside the other open end; the second connecting assembly comprises a second circular shell, the second circular shell is fixedly sleeved at the other end of the cable body, the end part of the cable body is exposed out of the second circular shell, and external threads are arranged outside the second circular shell; different cable bodies can be connected with each other by the first circular shell and the second circular shell in a threaded manner.
5. The security cable according to claim 4, wherein: the first circular shell is internally provided with a connecting part, a plurality of annular conductive grooves and a plurality of annular insulating bulges are sequentially arranged on two side surfaces of the connecting part at intervals along the center to the outer edge of the connecting part, and each annular conductive groove corresponds to the metal wire in each mounting pore channel of the mounting rack; when different cable bodies are connected with each other through the first connecting assembly and the second connecting assembly, the metal wires in different cable bodies abut against the annular conductive grooves corresponding to the metal wires respectively, and the metal wire in one cable body can conduct electricity to the corresponding metal wire in the other cable body through the annular conductive groove corresponding to the metal wire.
6. The security cable according to claim 5, characterized in that: the framework is of a hollow cylindrical structure, elastic fillers are filled in the framework, a plurality of deformation portions are formed in the framework along the circumferential direction of the framework, and the deformation portions are fixedly connected with one side of each mounting frame respectively.
7. The security cable according to claim 6, wherein: the mounting frames are asymmetrically distributed about the center line of the wire core, one mounting frame is defined as a spare frame, the metal wires in the mounting hole in the spare frame are defined as spare wires, and the end parts of the spare wires are all arranged in the mounting hole; the standby rack is internally provided with a mounting groove which is communicated with each mounting pore channel in the standby rack; a rotating shaft is arranged in the mounting groove, a first sliding groove and a second sliding groove which are mutually communicated are arranged on the outer surface of the rotating shaft, the first sliding groove is parallel to the central axis of the rotating shaft, the first sliding groove is positioned on the side surface of the rotating shaft and close to the deformation part of the framework, and the second sliding groove is annularly distributed on the surface of the rotating shaft; the mounting groove inner wall is equipped with limiting slide block, place in the first spout and can follow first spout and slide to the second spout in the limiting slide block.
8. The security cable according to claim 7, wherein: the rotating shaft is an elastic telescopic shaft body, one end of the rotating shaft is abutted against the inner wall of the mounting groove, and the other end of the rotating shaft penetrates through the standby frame and is abutted against the deformation part of the framework; the rotating shaft is sleeved with a clockwork spring, the clockwork spring is in a tightening state, each standby wire is wound on the rotating shaft, one point of each standby wire is fixedly connected with the surface of the rotating shaft, and the clockwork spring can drive the rotating shaft to rotate so as to drive each standby wire to extend outwards of the mounting hole and abut against the annular conductive groove.
9. The security cable according to claim 1 or 6, characterized in that: the elastic filler is EPE filling material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111640360.4A CN114496362B (en) | 2021-12-29 | 2021-12-29 | Security cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111640360.4A CN114496362B (en) | 2021-12-29 | 2021-12-29 | Security cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114496362A true CN114496362A (en) | 2022-05-13 |
| CN114496362B CN114496362B (en) | 2023-09-19 |
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| CN111710469A (en) * | 2020-06-28 | 2020-09-25 | 四川天邑康和通信股份有限公司 | Low-smoke halogen-free wear-resistant indoor photoelectric hybrid cable and manufacturing method thereof |
| CN211654407U (en) * | 2019-12-05 | 2020-10-09 | 四川摩天电缆有限公司 | High-flexibility fireproof monitoring cable |
| CN112164504A (en) * | 2020-09-21 | 2021-01-01 | 浙江师范大学 | Through-wall cable and protection device thereof |
| CN213691508U (en) * | 2020-12-22 | 2021-07-13 | 江西新吉电缆有限公司 | Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding computer cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107118461A (en) * | 2017-04-28 | 2017-09-01 | 国网山东省电力公司平原县供电公司 | A kind of cable insulation Insulation Material and water-bed composite cable |
| CN208637170U (en) * | 2018-07-20 | 2019-03-22 | 安徽德源电缆集团有限公司 | A kind of computer resistance to compression insulated cable |
| CN109994269A (en) * | 2019-04-17 | 2019-07-09 | 蒋荣新 | Half armored cable of direct burial |
| CN209657861U (en) * | 2019-05-27 | 2019-11-19 | 浙江中大元通特种电缆有限公司 | A kind of cable that compressive property is good |
| CN211654407U (en) * | 2019-12-05 | 2020-10-09 | 四川摩天电缆有限公司 | High-flexibility fireproof monitoring cable |
| CN111508643A (en) * | 2020-04-02 | 2020-08-07 | 朱永松 | Withstand voltage tensile high strength high insulation cable |
| CN111584139A (en) * | 2020-05-15 | 2020-08-25 | 朱立怀 | Translocation-preventing data cable |
| CN111710469A (en) * | 2020-06-28 | 2020-09-25 | 四川天邑康和通信股份有限公司 | Low-smoke halogen-free wear-resistant indoor photoelectric hybrid cable and manufacturing method thereof |
| CN112164504A (en) * | 2020-09-21 | 2021-01-01 | 浙江师范大学 | Through-wall cable and protection device thereof |
| CN213691508U (en) * | 2020-12-22 | 2021-07-13 | 江西新吉电缆有限公司 | Cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheath shielding computer cable |
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| CN114496362B (en) | 2023-09-19 |
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