CN112366029A - Special-shaped shielding cable and manufacturing method thereof - Google Patents
Special-shaped shielding cable and manufacturing method thereof Download PDFInfo
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- CN112366029A CN112366029A CN202011178586.2A CN202011178586A CN112366029A CN 112366029 A CN112366029 A CN 112366029A CN 202011178586 A CN202011178586 A CN 202011178586A CN 112366029 A CN112366029 A CN 112366029A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 42
- 239000012212 insulator Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 238000005299 abrasion Methods 0.000 description 6
- 238000010147 laser engraving Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010066054 Dysmorphism Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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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
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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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
- H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
- H01B7/365—Insulated conductors or cables characterised by their form with distinguishing or length marks being indicia imposed on the insulation or conductor
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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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- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to the technical field of shielded cables, and discloses a special-shaped shielded cable which comprises: the cable core assembly comprises an insulator and a plurality of wires; the plurality of wires are arranged at intervals, and the insulators are coated on the plurality of wires to form a square or rectangular cable core assembly; the metal fastening frame is wrapped and fixed on the cable core assembly and comprises a first fastening frame and a second fastening frame fixedly connected with the first fastening frame; the two sides of the first fastening frame are provided with one or more clamping grooves, the two sides of the second fastening frame are provided with clamping blocks which correspond to the clamping grooves one by one, and the clamping blocks are clamped in the clamping grooves; and the sheath is coated on the metal fastening frame to form a shielding cable with a square or rectangular cross section. The special-shaped shielding cable has the advantages of high structural strength, good stability, good wear resistance, low cost and simple manufacturing process.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a special-shaped shielding cable and a manufacturing method of the special-shaped shielding cable.
Background
The shielding cable is a cable with the capability of resisting external electromagnetic interference, which is formed in a mode of adding a shielding layer outside a transmission cable, and the shielding layer of the shielding cable is mostly made of metal wires woven into a net shape or metal films.
The cross section of the existing shielding cable is mostly arranged to be circular, so that the cable is simple to manufacture, and the space utilization rate of metal wires in the cable is high. However, for some special use occasions, it is necessary to ensure that the cable is in a special-shaped structure, such as: when the cable needs to pass through a square groove or a rectangular groove and the cable is used for connecting a square terminal or a rectangular terminal, the cable is generally required to be arranged in a rectangular structure or a square structure so as to be matched with the square/rectangular wire groove or the square/rectangular terminal. The existing square and rectangular cables are easy to deform in the production, dragging and using processes, the cross section of the existing square and rectangular cables cannot be guaranteed to be square or rectangular in a normal state, the existing square and rectangular cables cannot conveniently penetrate through a special-shaped wire groove and connect a special-shaped terminal, and the overall structural strength is poor.
For information such as parameters and manufacturers of cables, when special requirements such as scuff resistance and abrasion resistance are met, the manufacturing process is generally as follows: the laser marking method is adopted to mark characters on the sheath, the sheath before printing is realized through plasma torch treatment, printing gravure, embossing and the like, in the manufacturing process, the process is complex, the manufacturing cost is high, the sheath is damaged, the thickness of the sheath is reduced to a certain extent, and the product quality is influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the special-shaped shielding cable with high structural strength, convenience in manufacturing, low cost and good wear resistance and the manufacturing method of the special-shaped shielding cable.
The technical scheme adopted by the invention for solving the technical problem is to provide a special-shaped shielding cable, which comprises the following components:
the cable core assembly comprises an insulator and a plurality of wires; the plurality of wires are arranged at intervals, and the insulator covers the plurality of wires to form a square or rectangular cable core assembly;
the metal fastening frame is wrapped and fixed on the cable core assembly and comprises a first fastening frame and a second fastening frame fixedly connected with the first fastening frame; one or more clamping grooves are formed in two sides of the first fastening frame, clamping blocks which correspond to the clamping grooves one by one are arranged in two sides of the second fastening frame, and the clamping blocks are clamped in the clamping grooves;
a sheath coated on the metal fastening frame to form a shielding cable with a square or rectangular cross section
Further, the first fastening frame comprises a first side wall, a connecting wall and a second side wall which are sequentially connected, and an opening is formed by the first side wall, the connecting wall and the second side wall in a surrounding mode; the first side wall and the second side wall are arranged in parallel, and the second fastening frame is arranged at the opening and is opposite to the connecting wall;
the first side wall is provided with a plurality of first inclined grooves along the length direction of the first side wall, the second side wall is provided with a plurality of second inclined grooves along the length direction of the second side wall, the connecting wall is provided with a plurality of third inclined grooves along the length direction of the connecting wall, and the second fastening frame is provided with a plurality of fourth inclined grooves along the length direction of the second fastening frame; the first chute and the second chute are inclined in opposite directions, and the third chute and the fourth chute are inclined in opposite directions.
Further, the device also comprises a marking belt;
the sheath comprises a sheath body and a transparent body which is arranged integrally or separately with the sheath body, the outer surface of the transparent body is arranged in parallel with the outer surface of the sheath body, and an accommodating groove for accommodating the marking tape is enclosed between the transparent body and the sheath body; the marking tape is positioned in the accommodating groove.
Furthermore, a plurality of clamping grooves are sequentially formed in the first side wall and the second side wall from bottom to top; the side surfaces of at least two clamping grooves on the first side wall and the second side wall are provided with locking grooves communicated with the clamping grooves;
and the second fastening frame is provided with a locking block corresponding to the clamping groove, and the locking block is clamped in the locking groove.
Further, the depth of the clamping groove is gradually increased from bottom to top; the size of the locking block on the second fastening frame is gradually increased from bottom to top.
Furthermore, the clamping groove is arranged in a V shape, and a round corner is arranged at one end, close to the clamping groove, of the clamping block.
Furthermore, the cross-section of first fastening frame and second fastening frame all is "[" shape, and mutual lock.
The cable core assembly comprises an upper insulated wire core and a lower insulated wire core, wherein the upper insulated wire core is overlapped on the lower insulated wire core; the upper insulating wire core and the lower insulating wire core respectively comprise a plurality of wires and insulators wrapped on the wires.
The invention also provides a manufacturing method of the special-shaped shielding cable, which adopts the technical scheme for solving the technical problem, and comprises the following steps:
s1, stranding of wires: stranding a plurality of copper wires or aluminum wires to reach a preset diameter;
s2, extruding an insulator: extruding and molding the insulator and coating the insulator on a plurality of leads to form a cable core assembly;
s3, cabling: wrapping and fixing the cable core assembly by using a metal fastening frame;
s4, sheath extrusion: and arranging the cable core assembly and the metal fastening frame in an extruder, extruding a sheath, and coating the sheath on the metal fastening frame to form the special-shaped shielding cable.
Further, in step S4, the sheath includes a sheath body and a transparent body integrally formed with the sheath body; when the sheath is extruded, a marking belt is arranged in the extruder and is extruded together with the sheath, and the marking belt is arranged between the sheath body and the transparent body.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the special-shaped shielding cable, a shielding layer formed by a reticular metal wire or a metal film of a traditional shielding cable is omitted, the cable core assembly is fixed by the metal fastening frame (namely the first fastening frame and the second fastening frame), the main structure strength of the special-shaped shielding cable is ensured, and the special-shaped shielding cable cannot deform due to dragging in the wiring and using processes; meanwhile, the metal fastening frame can shield signals and also can shield the shielding layer of the cable. Moreover, the first inclined groove on the first side wall and the second inclined groove on the second side wall are arranged in opposite directions; the third chute on the connective wall sets to the reversal with the incline direction of the fourth chute on the second fastening frame, guarantees offering of each chute and does not influence the overall structure intensity of metal fastening frame, and because metal fastening frame generally adopts copper to make, and the material is expensive, and the use amount that can the greatly reduced copper product of the setting of a plurality of each logical groove, meanwhile, does not reduce the structural strength of metal fastening frame and the effect of shielding information. In the manufacturing method when the special-shaped shielding cable has special requirements on wear resistance, abrasion resistance and the like, the common process procedures of laser engraving, ion blast lamp treatment and the like are cancelled, and the marking belt is directly and integrally formed between the sleeve body and the transparent body, so that the content recorded on the marking belt can be clearly distinguished, the marking effect of the marking belt cannot be influenced after long-time use and abrasion, the forming process of the special-shaped shielding cable is simplified, the forming cost is reduced, and the marking effect is good.
According to the invention, in the optimized structure of the first fastening frame and the second fastening frame, the clamping block is provided with the locking block, the side surface of the clamping groove is provided with the locking groove, and after the clamping block and the clamping groove are clamped and fixed, the locking block and the locking groove are further fixed, so that the second fastening frame is prevented from being separated from the first fastening frame, the structural stability of the metal fastening frame is improved, namely the structural stability of the special-shaped shielding cable is improved; the fixture block and the clamping groove are arranged in a mode that the size is gradually increased from bottom to top, so that the assembly is convenient, and the fixing effect of the second fastening frame and the first fastening frame is better.
Drawings
FIG. 1 is a schematic view of the overall structure of the specially-shaped shielding cable of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of an optimized shaped shielded cable of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic cross-sectional view of another optimized shaped shielded cable of the present invention;
FIG. 6 is an enlarged partial view of FIG. 5 at B;
FIG. 7 is an exploded view of the first and second fastening frames;
FIG. 8 is a schematic view of the structure of FIG. 7 from another perspective;
fig. 9 is a flow chart of a manufacturing method of the specially-shaped shielding cable.
In the figure, the position of the upper end of the main shaft,
1. a cable core assembly; 10. a wire; 11. an insulator; 1A, an upper insulated wire core; 1B, a lower insulated wire core;
2. a metal fastening frame; 20. a first fastening frame; 201. a first side wall; 2011. a first chute; 202. a second side wall; 2021. a second chute; 203. a connecting wall; 2031. a third chute; 204. a card slot; 2041. a position locking groove; 21. a second fastening frame; 210. a clamping block; 2101. a position locking block; 211. a fourth chute;
3. a sheath; 30. a sleeve body; 31. a transparent body; 300. and (6) accommodating the tank.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 8, a specially-shaped shielded cable includes: the cable core assembly 1 (namely, the upper insulated wire core 1A and the lower insulated wire core 1B), the metal fastening frame 2, the sheath 3 and the marking tape (not marked in the figure).
The cable core assembly 1 comprises an insulator 11 and a plurality of wires 10; the plurality of wires 10 are arranged at intervals, and the arrangement at intervals ensures that the wires 10 are not contacted with each other, so that the transmission of electric power and signals of the adjacent wires 10 is not influenced; the insulator 11 is coated on the plurality of leads 10 to form a square or rectangular cable core assembly 1; specifically, the cable core assembly 1 comprises an upper insulated wire core 1A and a lower insulated wire core 1B, wherein the upper insulated wire core 1A is overlapped on the lower insulated wire core 1B, and the upper and lower insulated wire cores have the same structure in the scheme; the upper insulated wire core 1A and the lower insulated wire core 1B both comprise a plurality of wires 10 and insulators 11 wrapped on the plurality of wires 10. Preferably, the upper insulated wire core 1A and the lower insulated wire core 1B constitute a square cable core assembly 1, so that the space utilization of the wire 10 is improved.
The sheath 3 is coated on the metal fastening frame 2 to form a shielding cable with a square or rectangular cross section.
In the using process, a shielding layer formed by a reticular metal wire or a metal film of the traditional shielding cable is cancelled, the cable core assembly 1 is fixed by the metal fastening frame 2 (namely the first fastening frame 20 and the second fastening frame 21), the main structure strength of the special-shaped shielding cable is ensured, and the special-shaped shielding cable cannot deform due to dragging in the wiring and using processes; meanwhile, the metal fastening frame 2 can shield signals and also can shield the shielding layer of the cable.
As another technical problem to be solved by the present application, as shown in fig. 1, the present special-shaped shielded cable further includes a marking tape; the sheath 3 comprises a sheath body 30 and a transparent body 31 which is integrally or separately arranged with the sheath body 30, the outer surface of the transparent body 31 is flush with the outer surface of the sheath body 30, and an accommodating groove 300 for accommodating a marking tape is enclosed between the transparent body 31 and the sheath body 30; the indicator tape is in the receiving groove 300.
In the using process, the sleeve body 30, the transparent body 31 and the marking belt are arranged through the scheme, in the manufacturing method when the special-shaped shielding cable has special requirements on wear resistance, abrasion resistance and the like, the general process processes of laser engraving, ion blast lamp treatment and the like are cancelled, the marking belt is directly and integrally formed between the sleeve body 30 and the transparent body 31, the content recorded on the marking belt can be clearly distinguished, the marking effect of the marking belt can not be influenced after long-time use and abrasion, the forming process of the special-shaped shielding cable is simplified, the forming cost is reduced, and the marking effect is good.
As shown in fig. 7-8, the first fastening frame 20 includes a first sidewall 201, a connecting wall 203 and a second sidewall 202, which are connected in sequence, and the first sidewall 201, the connecting wall 203 and the second sidewall 202 enclose an opening; the first side wall 201 and the second side wall 202 are disposed in parallel, and the second fastening frame 21 is disposed at the opening and opposite to the connecting wall 203. The first side wall 201 is provided with a plurality of first inclined grooves 2011 along the length direction of the first side wall 201, the second side wall 202 is provided with a plurality of second inclined grooves 2021 along the length direction of the second side wall 202, the connecting wall 203 is provided with a plurality of third inclined grooves 2031 along the length direction of the connecting wall 203, and the second fastening frame 21 is provided with a plurality of fourth inclined grooves 211 along the length direction of the second fastening frame 21; the first inclined groove 2011 and the second inclined groove 2021 are inclined in opposite directions, and the third inclined groove 2031 and the fourth inclined groove 211 are inclined in opposite directions, so that if the inclined directions of the opposite inclined grooves are set to be the same, the strength of the first fastening frame 20 is easily weakened, the strength of the metal fastening frame 2 is reduced, and the overall strength is reduced.
In this embodiment, the first inclined groove 2011 on the first side wall 201 and the second inclined groove 2021 on the second side wall 202 are arranged in opposite directions; third chute 2031 on the connective wall 203, set to reverse with the incline direction of the fourth chute 211 on the second fastening frame 21, guarantee that seting up of each chute does not influence the overall structure intensity of metal fastening frame 2, and because metal fastening frame 2 generally adopts copper to make, the material is expensive, the use amount that can the greatly reduced copper product of setting up of a plurality of each logical groove, and then reduce the material cost of dysmorphism shielding cable, meanwhile, also reduce the structural strength of metal fastening frame 2 and the effect of shielding information.
As shown in fig. 2, which is the most basic solution of the present invention, a plurality of engaging grooves 204 are respectively formed on the first side wall 201 and the second side wall 202 of the first fastening frame 20, two engaging blocks 210 are respectively disposed on two sides of the second fastening frame 21, the engaging blocks 210 are engaged with the engaging grooves 204, and the engaging blocks are engaged with the engaging grooves 204 to fix the two.
As shown in fig. 3 to 4, as a modification of the above-mentioned solution, in consideration of that one side is fixed by one locking groove 204 and the locking block 210, since the fixing effect of the first and second fastening frames 20 and 21 may be affected due to the manufacturing tolerance, at least three locking grooves 204 and locking blocks 210 are provided on one side of the metal fastening frame 2. The depth of the clamping groove 204 is gradually increased from bottom to top; the size of the locking block 2101 on the second fastening frame 21 is gradually increased from bottom to top, the gradually deepened clamping groove 204 and the gradually increased clamping block 210 can further improve the fastening effect of the first fastening frame 20 and the second fastening frame 21, and the loosening and sliding are prevented.
As shown in fig. 5 to 6, as a scheme of matching a plurality of slots and clips, a further improvement is that, in the present improvement, a plurality of slots 204 are sequentially arranged on the first side wall 201 and the second side wall 202 from bottom to top; at least two locking grooves 2041 communicated with the locking grooves 204 are formed in the side surfaces of the first side wall 201 and the second side wall 202, wherein the side surfaces of the two locking grooves 204 are provided with the locking grooves 2041; the second fastening frame 21 is provided with a locking block 2101 corresponding to the slot 204, and the locking block 2101 is clamped in the locking slot 2041. Similarly, the depth of the clamping groove 204 is gradually increased from bottom to top; the size of the locking block 2101 on the second fastening frame 21 gradually increases from bottom to top. Specifically, the clamping groove 204 is arranged in a V shape, and the processing is simple; one end of the fixture block 210, which is close to the slot 204, is provided with a rounded corner, and when the fixture block 210 is clamped in the slot 204, the rounded corner has a certain guiding effect, so that the assembly is simple.
In the using process, the locking block 2101 is arranged on the fixture block 210, the locking groove 2041 is arranged on the side surface of the clamping groove 204, and after the fixture block 210 and the clamping groove 204 are clamped and fixed, the locking block 2101 and the locking groove 2041 are further fixed, so that the second fastening frame 21 is prevented from being separated from the first fastening frame 20, the structural stability of the metal fastening frame 2 is improved, and the structural stability of the special-shaped shielding cable is improved; the arrangement of the clamping block 210 and the clamping groove 204 is gradually increased from bottom to top, which not only facilitates the assembly, but also improves the fixing effect of the second fastening frame 21 and the first fastening frame 20.
As shown in fig. 9, the method for manufacturing the special-shaped shielded cable of the present invention comprises the steps of:
s1, twisting the wire 10: stranding a plurality of copper wires or aluminum wires to reach a preset diameter; the diameter of the conductor 10 directly determines various parameters of the shaped shielded cable, such as 6-square and 10-square conductors 10, and the diameters are generally different.
S2, insulator 11 extrusion: the insulator 11 is made of high polymer materials such as PVC, PE and the like, and the insulator 11 is extruded and molded and coated on the plurality of wires 10 to form the cable core assembly 1; it should be noted that, in this scheme, in this step, form upper insulation core 1A and lower insulation core 1B earlier, stack both, form cable core subassembly 1.
S3, cabling: wrapping and fixing the cable core assembly 1 by using a metal fastening frame 2;
s4, jacket 3 extrusion: similarly, the sheath 3 may be made of polymer material such as PVC, PE, etc. And arranging the cable core assembly 1 and the metal fastening frame 2 in an extruder, extruding the sheath 3, and coating the sheath 3 on the metal fastening frame 2 to form the special-shaped shielding cable. In this step, the sheath 3 comprises a sheath body 30 and a transparent body 31 integrally formed with the sheath body 30; when extruding the sheath 3, an indicator tape is placed in the extruder and extruded together with the sheath 3, and the indicator tape is located between the sheath body 30 and the transparent body 31. In the process, the traditional processes of laser engraving, ion blast lamp treatment and the like are cancelled, and the marking belt is directly and integrally formed between the sleeve body 30 and the transparent body 31, so that the abrasion performance is good, and the marking effect is good.
In this scheme, this dysmorphism shielding cable's structural strength is high, stability is good, and the wearability is good, with low costs, and manufacturing process is simple.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. A special-shaped shielding cable is characterized by comprising:
the cable core assembly comprises an insulator and a plurality of wires; the plurality of wires are arranged at intervals, and the insulator covers the plurality of wires to form a square or rectangular cable core assembly;
the metal fastening frame is wrapped and fixed on the cable core assembly and comprises a first fastening frame and a second fastening frame fixedly connected with the first fastening frame; one or more clamping grooves are formed in two sides of the first fastening frame, clamping blocks which correspond to the clamping grooves one by one are arranged in two sides of the second fastening frame, and the clamping blocks are clamped in the clamping grooves;
and the sheath is coated on the metal fastening frame to form a shielding cable with a square or rectangular cross section.
2. The specially-shaped shielding cable according to claim 1, wherein the first fastening frame comprises a first side wall, a connecting wall and a second side wall which are connected in sequence, and the three form an opening; the first side wall and the second side wall are arranged in parallel, and the second fastening frame is arranged at the opening and is opposite to the connecting wall;
the first side wall is provided with a plurality of first inclined grooves along the length direction of the first side wall, the second side wall is provided with a plurality of second inclined grooves along the length direction of the second side wall, the connecting wall is provided with a plurality of third inclined grooves along the length direction of the connecting wall, and the second fastening frame is provided with a plurality of fourth inclined grooves along the length direction of the second fastening frame; the first chute and the second chute are inclined in opposite directions, and the third chute and the fourth chute are inclined in opposite directions.
3. The shaped shielded cable of claim 1 further comprising a flag tape;
the sheath comprises a sheath body and a transparent body which is arranged integrally or separately with the sheath body, the outer surface of the transparent body is arranged in parallel with the outer surface of the sheath body, and an accommodating groove for accommodating the marking tape is enclosed between the transparent body and the sheath body; the marking tape is positioned in the accommodating groove.
4. The specially-shaped shielding cable according to claim 2, wherein the first side wall and the second side wall are provided with a plurality of clamping grooves in sequence from bottom to top; the side surfaces of at least two clamping grooves on the first side wall and the second side wall are provided with locking grooves communicated with the clamping grooves;
and the second fastening frame is provided with a locking block corresponding to the clamping groove, and the locking block is clamped in the locking groove.
5. The specially-shaped shielding cable according to claim 4, wherein the depth of the clamping groove is gradually increased from bottom to top; the size of the locking block on the second fastening frame is gradually increased from bottom to top.
6. The specially-shaped shielding cable according to claim 4, wherein the slot is V-shaped, and a rounded corner is formed at one end of the clamping block close to the slot.
7. The special-shaped shielding cable according to claim 1, wherein the first fastening frame and the second fastening frame are both in a "[" shape in cross section and are fastened to each other.
8. The special-shaped shielding cable according to claim 1, wherein the cable core assembly comprises an upper insulated wire core and a lower insulated wire core, and the upper insulated wire core is overlapped on the lower insulated wire core; the upper insulating wire core and the lower insulating wire core respectively comprise a plurality of wires and insulators wrapped on the wires.
9. Method for manufacturing a profiled shielded cable according to any of the claims 1-8, comprising the steps of:
s1, stranding of wires: stranding a plurality of copper wires or aluminum wires to reach a preset diameter;
s2, extruding an insulator: extruding and molding the insulator and coating the insulator on a plurality of leads to form a cable core assembly;
s3, cabling: wrapping and fixing the cable core assembly by using a metal fastening frame;
s4, sheath extrusion: and arranging the cable core assembly and the metal fastening frame in an extruder, extruding a sheath, and coating the sheath on the metal fastening frame to form the special-shaped shielding cable.
10. The method as claimed in claim 9, wherein in step S4, the sheath comprises a sheath body and a transparent body integrally formed with the sheath body; when the sheath is extruded, a marking belt is arranged in the extruder and is extruded together with the sheath, and the marking belt is arranged between the sheath body and the transparent body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011178586.2A CN112366029A (en) | 2020-10-29 | 2020-10-29 | Special-shaped shielding cable and manufacturing method thereof |
| PCT/CN2021/079345 WO2022088575A1 (en) | 2020-10-29 | 2021-03-05 | Special-shaped shielded cable and method for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011178586.2A CN112366029A (en) | 2020-10-29 | 2020-10-29 | Special-shaped shielding cable and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112366029A true CN112366029A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011178586.2A Pending CN112366029A (en) | 2020-10-29 | 2020-10-29 | Special-shaped shielding cable and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112366029A (en) |
| WO (1) | WO2022088575A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088575A1 (en) * | 2020-10-29 | 2022-05-05 | 浙江一舟电子科技股份有限公司 | Special-shaped shielded cable and method for manufacturing same |
| CN116805540A (en) * | 2023-06-20 | 2023-09-26 | 深圳市乐工新技术有限公司 | Shielding wire, mold and electronic product |
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| CN110783796A (en) * | 2019-09-29 | 2020-02-11 | 中航光电科技股份有限公司 | Full-shielding high-speed signal transmission module, manufacturing method thereof and adaptor connector |
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| US7071418B2 (en) * | 2003-10-28 | 2006-07-04 | Actuant Corporation | Cable holder |
| WO2017006491A1 (en) * | 2015-07-06 | 2017-01-12 | 住友電装株式会社 | Wire housing protector |
| JP2017046394A (en) * | 2015-08-25 | 2017-03-02 | 住友電装株式会社 | Grommet and electric wire with the same |
| CN209947562U (en) * | 2019-03-22 | 2020-01-14 | 长春理工大学 | Built on stilts bare conductor buckle formula polyolefin material insulating sheath |
| CN111799018A (en) * | 2020-07-23 | 2020-10-20 | 湖北兴和电力新材料股份有限公司 | Cast inorganic mineral insulated bus and manufacturing method thereof |
| CN112366029A (en) * | 2020-10-29 | 2021-02-12 | 浙江一舟电子科技股份有限公司 | Special-shaped shielding cable and manufacturing method thereof |
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2020
- 2020-10-29 CN CN202011178586.2A patent/CN112366029A/en active Pending
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2021
- 2021-03-05 WO PCT/CN2021/079345 patent/WO2022088575A1/en active Application Filing
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| US20110287278A1 (en) * | 2009-09-21 | 2011-11-24 | Gowder Phillip H | Nail deflector |
| CN105489294A (en) * | 2015-12-22 | 2016-04-13 | 江苏省电力公司涟水县供电公司 | Power cable equipped with corrosion-resistant layers |
| CN106960997A (en) * | 2016-01-11 | 2017-07-18 | 中国电子科技集团公司第十研究所 | Close wire chamber millimeter wave microstrip transmission line |
| CN206789323U (en) * | 2017-05-03 | 2017-12-22 | 江苏东强股份有限公司 | square high shielded cable |
| CN110783796A (en) * | 2019-09-29 | 2020-02-11 | 中航光电科技股份有限公司 | Full-shielding high-speed signal transmission module, manufacturing method thereof and adaptor connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022088575A1 (en) * | 2020-10-29 | 2022-05-05 | 浙江一舟电子科技股份有限公司 | Special-shaped shielded cable and method for manufacturing same |
| CN116805540A (en) * | 2023-06-20 | 2023-09-26 | 深圳市乐工新技术有限公司 | Shielding wire, mold and electronic product |
| CN116805540B (en) * | 2023-06-20 | 2024-05-31 | 深圳市乐工新技术有限公司 | Shielding wire, mold and electronic product |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022088575A1 (en) | 2022-05-05 |
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Application publication date: 20210212 |