CN202487248U - Special cable and mold for manufacturing same - Google Patents
Special cable and mold for manufacturing same Download PDFInfo
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- CN202487248U CN202487248U CN2012200394118U CN201220039411U CN202487248U CN 202487248 U CN202487248 U CN 202487248U CN 2012200394118 U CN2012200394118 U CN 2012200394118U CN 201220039411 U CN201220039411 U CN 201220039411U CN 202487248 U CN202487248 U CN 202487248U
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Abstract
The utility model belongs to the technical field of cables, and in particular relates to a special cable and a mold for manufacturing the same. The special cable is characterized by comprising four special bodies, a sheath and a cable core, wherein each special body comprises a reinforcement piece, a special member wrapping the reinforcement body and a connection rib for connecting the special member and the sheath; the sheath is circular and comprises four sheath bodies; each sheath body is positioned between two adjacent special bodies; and the sheath wraps the cable wore. The utility model also discloses the mold for manufacturing the special cable. The utility model has the advantages that the cable is relatively small in peripheral size, relatively low in material consumption and relatively low in production cost; the number of working procedures is relatively small; the special cable is convenient to pave; under the condition of stressing, the cable is relatively high in mechanical reliability; and the mold has the advantages of relatively simple structure and the like and is easy to manufacture, assemble and debug.
Description
Technical field
The utility model belongs to technical field of cables, and especially relating to a kind of reinforcement is not the mould that all is positioned at the cable of central authorities and makes this cable.
Background technology
The application of optical cable and cable is universal day by day; In the prior art, the structure that optical cable is normally circular is carried out stranded by many loose sleeve pipes and gasket for packing around the reinforcement that is positioned at optical cable central authorities; Outside intertwist body, coat then and block water or damp-proof layer; Block water or damp-proof layer outside coat restrictive coating, the common external diameter of this optical cable is bigger, is unfavorable for built on stilts laying; In addition, built on stilts when laying need with the messenger wire that lays in addition mutually clamping could accomplish fixingly, therefore, it is inconvenient to construct.In the prior art, cable also exists the problems referred to above.
The utility model content
In order to address the above problem, the utility model provides a kind of special-shaped cable and makes the mould of this cable, and they adopt following technical scheme to realize:
Special-shaped cable is characterized in that it comprises first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath, cable core 31; Wherein, first obform body comprises: first reinforcement 321, envelope first reinforcement first special-shaped component 322, connect first dowel 323 of first special-shaped component and sheath; Second obform body comprises: second reinforcement 331, envelope second reinforcement second special-shaped component 332, connect second dowel 333 of second special-shaped component and sheath; The 3rd obform body comprises: the 3rd reinforcement 341, envelope the 3rd reinforcement the 3rd special-shaped component 342, connect the 3rd dowel 343 of the 3rd special-shaped component and sheath; The 4th obform body comprises: the 4th reinforcement 351, envelope the 4th reinforcement the 4th special-shaped component 352, connect the 4th dowel 353 of the 4th special-shaped component and sheath; Sheath is circular; Comprise first jacket body 32, second jacket body 33, the 3rd jacket body 34, the 4th jacket body 35; First jacket body is between first obform body and second obform body; Second jacket body is between second obform body and the 3rd obform body, and the 3rd jacket body is between the 3rd obform body and the 4th obform body, and the 4th jacket body is between the 4th obform body and first obform body; Sheath envelopes cable core; Four dowels all are approximate Pear-Shaped.Dowel is that Pear-Shaped makes product more easy-formation, tension, torsional property are better.
Above-mentioned described special-shaped cable is characterized in that said cable core at least by the central reinforce member that is positioned at the center 314, constitute around stranded many protection tubes 311 and 313 of the gasket for packings of central reinforce member, has an optical fiber 312 at least in the said protection tube.
Above-mentioned described special-shaped cable is characterized in that said cable core at least by the central reinforce member that is positioned at the center 314, constitute around 311 stranded of many protection tubes of central reinforce member, has an optical fiber 312 at least in the said protection tube.
Above-mentioned described special-shaped cable is characterized in that said central reinforce member inside is the load parts, and the outside is a protective layer.
Above-mentioned described special-shaped cable is characterized in that said central reinforce member is that steel wire or glass fiber increase plastics.
Above-mentioned said optical fiber is single mode type or multimode type.
Above-mentioned described special-shaped cable is characterized in that said cable core is made up of many insulated lead, and insulated conductor is parallel to each other or is stranded each other, and every insulated lead constitutes by being positioned at conductor inside 316 and being coated on the outer insulating barrier 315 of conductor.
Above-mentioned described special-shaped cable; It is characterized in that said cable core constitutes by the central reinforce member that is positioned at the center 314, around stranded many protection tubes 311, two insulated leads and 313 of the gasket for packings of central reinforce member at least, has an optical fiber 312 at least in the said protection tube; Said insulated conductor constitutes by being positioned at conductor inside 316 and being coated on the outer insulating barrier 315 of conductor.
Above-mentioned described special-shaped cable is characterized in that the center of circle of said first reinforcement 321, second reinforcement 331, the 3rd reinforcement 341, the 4th reinforcement 351 is positioned on the same circumference.
Above-mentioned described special-shaped cable is characterized in that the outer rim of said first jacket body 32, second jacket body 33, the 3rd jacket body 34, the 4th jacket body 35 is positioned on the same circumference.
Above-mentioned described special-shaped cable, about it is characterized in that, about all be the symmetry.
Above-mentioned described special-shaped cable is characterized in that first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath are integral structure.
Above-mentioned described special-shaped cable is characterized in that said sheath: density is 0.945～0.965g/cm
-1, hot strength is not less than 20MPa, and content of carbon black is 2.9%～3.5%; Dielectric strength is for being not less than 30KV/mm, and the bending strength during 3.5% strain is 30MPa～50MPa, changes between-50 ℃～+ 80 ℃, in 48 hours; The scope of axial later stage shrinkage: [1%, 1%].
Certainly, through the utility model, can be to show to provide enlightenment, the outside has two, three, the form of other a plurality of reinforcements also should list the protection range of the utility model in.
Beneficial effect: because reinforcement can be placed on outside the sheath, therefore, can make the external diameter of cable core littler, promptly be exactly that the Outside Dimensions of cable can be dwindled greatly, so can save material consumption, save cost, minimizing operation quantity, reduce production costs; In addition because the existence of dowel, so can make lay more convenient; Because the reinforcement of many peripheries is arranged, so only need once lay, peripheral reinforcement is with the function of the messenger wire of figure of eight cable; And reinforcement is dispersed in around the sheath, so the Mechanical Reliability of cable is higher under the stressing conditions; Because dowel has special shape, so it is more convenient to be shaped.
The utility model has also disclosed the mould of producing above-mentioned cable, and it adopts following technical scheme to realize:
A kind of mould of making special-shaped cable comprises die cap part 1 and core rod part 2; It is characterized in that die cap part is made up of die cap rear end element 11, die cap front end body 12, the die cap rear end element has frontal plane 111, die cap rear end element first cable-through hole 161, die cap rear end element second cable-through hole 162; Die cap front end body has die cap reinforcement via hole 122, die cap reinforcement via hole wall body 121, die cap dowel hole 123, die cap front end body sidewall 124, die cap front end body and crosses cable core hole 16; Die cap rear end element first cable-through hole 161, die cap rear end element second cable-through hole 162 are positioned at die cap rear end element 11 inside; And die cap rear end element first cable-through hole communicates with die cap rear end element second cable-through hole; Die cap rear end element first cable-through hole is cylindrical; Die cap rear end element second cable-through hole is a cylinder table shape, and the diameter of the bottom surface that the small cross sections in two bottom surfaces of the diameter of die cap rear end element first cable-through hole and the cylinder table shape of die cap rear end element second cable-through hole is long-pending is identical; Die cap reinforcement via hole 122, die cap reinforcement via hole wall body 121, die cap dowel hole 123 respectively are four; Die cap front end body sidewall 124 is four; Die cap front end body sidewall separates adjacent die cap reinforcement via hole wall body; Die cap reinforcement via hole 122 is to communicate with die cap rear end element cable-through hole 161, and die cap front end body is crossed cable core hole 16 and communicated with die cap rear end element first cable-through hole 161, and die cap dowel hole 123 communicates with die cap rear end element first cable-through hole 161; It all is that cylindrical hole and its axis are parallel to each other that die cap reinforcement via hole 122, die cap dowel hole 123, die cap front end body are crossed cable core hole 16; The height in the height of die cap reinforcement via hole 122, die cap dowel hole 123 equates with the radius of die cap rear end element first cable-through hole 161 with the radius sum that die cap front end body is crossed cable core hole 16; Core rod part 2 comprises core rod first 21, core rod second portion 22, the core rod third part 23 that connects successively, and core rod first 21 is the cylindrical and inner columniform cable core via hole 211 that has; Core rod second portion 22 is a cylinder table shape; The small bore part of core rod second portion 22 is connected with core rod first 21; Be symmetrically distributed with first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224 on the wall body of core rod second portion 22, core rod second portion 22 inside have the solid cable core hole 220 of cylinder table shape; Core rod third part 23 for cylindrical and inner have a cylinder table shape wear cable core hole 231; Gu cable core hole 220 is with to wear cable core hole 231 taperings the same and interconnect; Cable core via hole 211, solid cable core hole 220, wear the dead in line in cable core hole 231, first hole 221, second hole 222, the 3rd hole 223, the axis in the 4th hole 224 and the axis of cable core via hole 211 parallel; On the front view of core rod unit, first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224 all are positioned at core rod first 21 outsides; The external diameter of core rod first 21 is crossed the diameter in cable core hole 16 less than die cap front end body; The length of core rod first 21 is less than the die cap front end body 12 length sum with die cap rear end element first cable-through hole 161, and greater than the length of die cap rear end element first cable-through hole 161; The diameter in arbitrary hole is all less than the diameter of the die cap reinforcement via hole 122 of correspondence in first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224; Under installment state; Core rod second portion 22 have the part to be positioned within die cap rear end element second cable-through hole 162 and with the inward flange of die cap rear end element second cable-through hole 162 be discontiguous; Core rod first 21 is discontiguous with the inward flange that die cap front end body is crossed cable core hole 16, and core rod first 21 is discontiguous with the inward flange of die cap rear end element first cable-through hole 161.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that said die cap part 1 is integral structure.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that said core rod part 2 is integral structure.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the outer rim of said die cap front end body sidewall 124 is positioned at on the circumference.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the center of circle in said first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224 is positioned on the same circumference.
The mould of the special-shaped cable of above-mentioned described manufacturing, the diameter that it is characterized in that the hole in said first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224 be equate or do not wait.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the material of said die cap part is a steel alloy; The material of said core rod part is a steel alloy.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the rear portion outer rim of said core rod third part 23 has the screw thread that can be fixed on the extruder head.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the rear portion outer rim of said die cap rear end element 11 has the screw thread that can be fixed on the extruder head.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the top edge of the top edge in die cap dowel hole 123 and die cap rear end element first cable-through hole 161 in a straight line on the section of said die cap part.
The principle of the utility model mould is: earlier core rod partly is fixed on the extruder head, again die cap partly is sleeved on mould core portion exceptionally and be fixed on the extruder head; Then with the cable cable core pass the head rear portion successively, wear cable core hole 231, solid cable core hole 220, cable core via hole 211 and die cap front end body cross cable core hole 16, and a part is pulled out in traction; Then first reinforcement is passed first hole 221 and pass corresponding die cap reinforcement via hole 122, second reinforcement is passed second hole 222 and passes corresponding die cap reinforcement via hole 122, the 3rd reinforcement is passed the 3rd hole 223 and passes corresponding die cap reinforcement via hole 122, the 4th reinforcement is passed the 4th hole 224 and passes corresponding die cap reinforcement via hole 122 and a part is pulled out in traction; Because the diameter in arbitrary hole is all less than the diameter of the die cap reinforcement via hole 122 of correspondence, so first to fourth reinforcement is positioned at the central authorities of the die cap reinforcement via hole 122 of correspondence in first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224; Open plastic extruding machine, inject the core rod second portion 22 outside intervals that form with die cap rear end element 11 inner edges after the plastic melt, draw first to fourth reinforcement and cable cable core simultaneously, promptly accomplished extruding of special-shaped cable.
Certainly, provided enlightenment through the utility model, the outside has two, three, the form in other a plurality of reinforcements hole also should list the protection range of the utility model in.
Advantages such as that the mould of the utility model has is simple in structure, be prone to make, be prone to advantages such as Installation and Debugging, and the cable products qualification rate of production is high, be prone to lay.
Description of drawings
Fig. 1-Fig. 4 is the sketch map of the special-shaped cable of the utility model, and Fig. 5-Figure 12 produces the structural representation of the mould of special-shaped cable for the utility model.
Fig. 1 is the cross-sectional structure sketch map of the special-shaped cable of the utility model;
The cross-sectional structure sketch map of the optical cable core that adopts in the embodiment of Fig. 2 for the special-shaped cable one of the utility model;
The cross-sectional structure sketch map of the cable conductor that adopts in the another embodiment of Fig. 3 for the special-shaped cable of the utility model;
The cross-sectional structure sketch map of the optoelectronic composite cable cable core that adopts in the embodiment again of Fig. 4 for the special-shaped cable of the utility model;
Fig. 5 is the perspective view of the die cap part of the utility model mould;
Fig. 6 is the rearview of Fig. 5;
Fig. 7 is the cutaway view of Fig. 6 at the A-A place;
Fig. 8 is the perspective view of the core rod part of the utility model mould;
Fig. 9 cuts away the perspective view after the part for Fig. 8;
Figure 10 is the assembly structure sketch map of die cap part with the core rod part of the utility model mould;
Figure 11 is the front view of Fig. 8;
Figure 12 is the rearview of Fig. 8.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail; Embodiment 1 to embodiment 4 is the embodiment of the special-shaped cable of the utility model, and embodiment 5 is the embodiment of the utility model mould.
Ask for an interview Fig. 1 and Fig. 2, special-shaped cable 3 is characterized in that it comprises first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath, cable core 31; Wherein, first obform body comprises: first reinforcement 321, envelope first reinforcement first special-shaped component 322, connect first dowel 323 of first special-shaped component and sheath; Second obform body comprises: second reinforcement 331, envelope second reinforcement second special-shaped component 332, connect second dowel 333 of second special-shaped component and sheath; The 3rd obform body comprises: the 3rd reinforcement 341, envelope the 3rd reinforcement the 3rd special-shaped component 342, connect the 3rd dowel 343 of the 3rd special-shaped component and sheath; The 4th obform body comprises: the 4th reinforcement 351, envelope the 4th reinforcement the 4th special-shaped component 352, connect the 4th dowel 353 of the 4th special-shaped component and sheath; Sheath is circular; Comprise first jacket body 32, second jacket body 33, the 3rd jacket body 34, the 4th jacket body 35; First jacket body is between first obform body and second obform body; Second jacket body is between second obform body and the 3rd obform body, and the 3rd jacket body is between the 3rd obform body and the 4th obform body, and the 4th jacket body is between the 4th obform body and first obform body; Sheath envelopes cable core; Said cable core constitutes by the central reinforce member that is positioned at the center 314, around stranded two protection tubes 311 and three 313 of the gasket for packings of central reinforce member, and four optical fibers 312 are arranged in the said protection tube; Four dowels all are approximate Pear-Shaped.
Certainly, above-mentioned described special-shaped cable is characterized in that said protection tube 311 also can be other many; Said gasket for packing 313 also can be other many; Said optical fiber 312 is at least one.
Certainly, above-mentioned described special-shaped cable is characterized in that all right other protective layer outside said protection tube and gasket for packing, like waterstop, aluminium strip, steel band etc.; Further, outside protective layer, also the intermediate jacket layer can be arranged.
Ask for an interview Fig. 1 and Fig. 3; Special-shaped cable 3, with embodiment 1, difference is basically: said cable core is made up of many insulated lead; Insulated conductor is parallel to each other or is stranded each other, and every insulated lead constitutes by being positioned at conductor inside 316 and being coated on the outer insulating barrier 315 of conductor.
Ask for an interview Fig. 1 and Fig. 4; And with reference to figure 2 and Fig. 3; Special-shaped cable 3; Basically with embodiment 1, difference is: said cable core constitutes by the central reinforce member that is positioned at the center 314, around stranded many protection tubes 311, two insulated leads and 313 of the gasket for packings of central reinforce member at least, has an optical fiber 312 in the said protection tube at least; Said insulated conductor constitutes by being positioned at conductor inside 316 and being coated on the outer insulating barrier 315 of conductor.
Embodiment 4
Please refer to Fig. 1 and Fig. 2; Special-shaped cable 3; Basically with embodiment 1, difference is: said cable core has an optical fiber 312 at least at least by the central reinforce member that is positioned at the center 314, constitute around 311 stranded of many protection tubes of central reinforce member in the said protection tube.
Above-mentioned described any special-shaped cable is characterized in that said central reinforce member inside is the load parts, and the outside is a protective layer.
Above-mentioned described any special-shaped cable is characterized in that said central reinforce member is that steel wire or glass fiber increase plastics.
Above-mentioned described any special-shaped cable is characterized in that said optical fiber is single mode type or multimode type.
Above-mentioned described any special-shaped cable is characterized in that the center of circle of said first reinforcement 321, second reinforcement 331, the 3rd reinforcement 341, the 4th reinforcement 351 is positioned on the same circumference.
Above-mentioned described any special-shaped cable is characterized in that the outer rim of said first jacket body 32, second jacket body 33, the 3rd jacket body 34, the 4th jacket body 35 is positioned on the same circumference.
Above-mentioned described any special-shaped cable, about it is characterized in that, about all be the symmetry.
Above-mentioned described any special-shaped cable is characterized in that first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath are integral structure.
Above-mentioned described any special-shaped cable, it is characterized in that said sheath: density is 0.945～0.965g/cm
-1, hot strength is not less than 20MPa, and content of carbon black is 2.9%～3.5%; Dielectric strength is for being not less than 30KV/mm, and the bending strength during 3.5% strain is 30MPa～50MPa, changes between 50 ℃～+ 80 ℃, in 48 hours; The scope of axial later stage shrinkage: [1%, 1% ］.
Certainly, through the utility model, can be to show to provide enlightenment, the outside has two, three, the form of other a plurality of reinforcements also should list the protection range of the utility model in.
Beneficial effect: because reinforcement can be placed on outside the sheath, therefore, can make the external diameter of cable core littler, promptly be exactly that the Outside Dimensions of cable can be dwindled greatly, so can save material consumption, save cost, minimizing operation quantity, reduce production costs; In addition because the existence of dowel, so can make lay more convenient; Because the reinforcement of many peripheries is arranged, so only need once lay, peripheral reinforcement is with the function of the messenger wire of figure of eight cable; And reinforcement is dispersed in around the sheath, so the Mechanical Reliability of cable is higher under the stressing conditions; Because dowel has special shape, so it is more convenient to be shaped.
Embodiment 5
See also Fig. 5 to Figure 12, a kind of mould of making special-shaped cable comprises die cap part 1 and core rod part 2; It is characterized in that die cap part is made up of die cap rear end element 11, die cap front end body 12, the die cap rear end element has frontal plane 111, die cap rear end element first cable-through hole 161, die cap rear end element second cable-through hole 162; Die cap front end body has die cap reinforcement via hole 122, die cap reinforcement via hole wall body 121, die cap dowel hole 123, die cap front end body sidewall 124, die cap front end body and crosses cable core hole 16; Die cap rear end element first cable-through hole 161, die cap rear end element second cable-through hole 162 are positioned at die cap rear end element 11 inside; And die cap rear end element first cable-through hole communicates with die cap rear end element second cable-through hole; Die cap rear end element first cable-through hole is cylindrical; Die cap rear end element second cable-through hole is a cylinder table shape, and the diameter of the bottom surface that the small cross sections in two bottom surfaces of the diameter of die cap rear end element first cable-through hole and the cylinder table shape of die cap rear end element second cable-through hole is long-pending is identical; Die cap reinforcement via hole 122, die cap reinforcement via hole wall body 121, die cap dowel hole 123 respectively are four; Die cap front end body sidewall 124 is four; Die cap front end body sidewall separates adjacent die cap reinforcement via hole wall body; Die cap reinforcement via hole 122 is to communicate with die cap rear end element first cable-through hole 161, and die cap front end body is crossed cable core hole 16 and communicated with die cap rear end element first cable-through hole 161, and die cap dowel hole 123 communicates with die cap rear end element first cable-through hole 161; It all is that cylindrical hole and its axis are parallel to each other that die cap reinforcement via hole 122, die cap dowel hole 123, die cap front end body are crossed cable core hole 16; The height in the height of die cap reinforcement via hole 122, die cap dowel hole 123 equates with the radius of die cap rear end element first cable-through hole 161 with the radius sum that die cap front end body is crossed cable core hole 16; Core rod part 2 comprises core rod first 21, core rod second portion 22, the core rod third part 23 that connects successively, and core rod first 21 is the cylindrical and inner columniform cable core via hole 211 that has; Core rod second portion 22 is a cylinder table shape; The small bore part of core rod second portion 22 is connected with core rod first 21; Be symmetrically distributed with first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224 on the wall body of core rod second portion 22, core rod second portion 22 inside have the solid cable core hole 220 of cylinder table shape; Core rod third part 23 for cylindrical and inner have a cylinder table shape wear cable core hole 231; Gu cable core hole 220 is with to wear cable core hole 231 taperings the same and interconnect; Cable core via hole 211, solid cable core hole 220, wear the dead in line in cable core hole 231, first hole 221, second hole 222, the 3rd hole 223, the axis in the 4th hole 224 and the axis of cable core via hole 211 parallel; On the front view of core rod unit, first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224 all are positioned at core rod first 21 outsides; The external diameter of core rod first 21 is crossed the diameter in cable core hole 16 less than die cap front end body; The length of core rod first 21 is less than the die cap front end body 12 length sum with die cap rear end element first cable-through hole 161, and greater than the length of die cap rear end element first cable-through hole 161; The diameter in arbitrary hole is all less than the diameter of the die cap reinforcement via hole 122 of correspondence in first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224; Under installment state; Core rod second portion 22 have the part to be positioned within die cap rear end element second cable-through hole 162 and with the inward flange of die cap rear end element second cable-through hole 162 be discontiguous; Core rod first 21 is discontiguous with the inward flange that die cap front end body is crossed cable core hole 16, and core rod first 21 is discontiguous with the inward flange of die cap rear end element first cable-through hole 161.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that said die cap part 1 is integral structure.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that said core rod part 2 is integral structure.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the outer rim of said die cap front end body sidewall 124 is positioned on the same circumference.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the center of circle in said first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224 is positioned on the same circumference.
The mould of the special-shaped cable of above-mentioned described manufacturing, the diameter that it is characterized in that the hole in a said hole 221, second hole 222, the 3rd hole 223, the 4th hole 224 be equate or do not wait.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the material of said die cap part is a steel alloy; The material of said core rod part is a steel alloy.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the rear portion outer rim of said core rod third part 23 has the screw thread that can be fixed on the extruder head.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the rear portion outer rim of said die cap rear end element 11 has the screw thread that can be fixed on the extruder head.
The mould of the special-shaped cable of above-mentioned described manufacturing is characterized in that the top edge of the top edge in die cap dowel hole 123 and die cap rear end element first cable-through hole 161 in a straight line on the AA section of die cap part; Make production more convenient like this, it is easier to wear reinforcement.
The principle of the utility model mould is: earlier core rod partly is fixed on the extruder head, again die cap partly is sleeved on mould core portion exceptionally and be fixed on the extruder head; Then with the cable cable core pass the head rear portion successively, wear cable core hole 231, solid cable core hole 220, cable core via hole 211 and die cap front end body cross cable core hole 16, and a part is pulled out in traction; Then first reinforcement is passed first hole 221 and pass corresponding die cap reinforcement via hole 122, second reinforcement is passed second hole 222 and passes corresponding die cap reinforcement via hole 122, the 3rd reinforcement is passed the 3rd hole 223 and passes corresponding die cap reinforcement via hole 122, the 4th reinforcement is passed the 4th hole 224 and passes corresponding die cap reinforcement via hole 122 and a part is pulled out in traction; Because the diameter in arbitrary hole is all less than the diameter of the die cap reinforcement via hole 122 of correspondence, so first to fourth reinforcement is positioned at the central authorities of the die cap reinforcement via hole 122 of correspondence in first hole 221, second hole 222, the 3rd hole 223, the 4th hole 224; Open plastic extruding machine, inject the core rod second portion 22 outside intervals that form with die cap rear end element 11 inner edges after the plastic melt, draw first to fourth reinforcement and cable cable core simultaneously, promptly accomplished extruding of special-shaped cable.
Certainly, provided enlightenment through the utility model, the outside has two, three, the form in other a plurality of reinforcements hole also should list the protection range of the utility model in.
Advantages such as that the mould of the utility model has is simple in structure, be prone to make, be prone to advantages such as Installation and Debugging, and the cable products qualification rate of production is high, be prone to lay.
The utility model is not limited to above-mentioned preferred forms, should be appreciated that the design of the utility model can be implemented utilization by other various forms, and they drop in the protection range of the utility model equally.
Claims (10)
1. special-shaped cable is characterized in that it comprises first obform body, second obform body, the 3rd obform body, the 4th obform body, sheath, cable core (31); Wherein, first obform body comprises: first dowel (323) of first reinforcement (321), first special-shaped component (322) that envelopes first reinforcement, connection first special-shaped component and sheath; Second obform body comprises: second dowel (333) of second reinforcement (331), second special-shaped component (332) that envelopes second reinforcement, connection second special-shaped component and sheath; The 3rd obform body comprises: the 3rd dowel (343) of the 3rd reinforcement (341), the 3rd special-shaped component (342) that envelopes the 3rd reinforcement, connection the 3rd special-shaped component and sheath; The 4th obform body comprises: the 4th dowel (353) of the 4th reinforcement (351), the 4th special-shaped component (352) that envelopes the 4th reinforcement, connection the 4th special-shaped component and sheath; Sheath is circular; And comprise first jacket body (32), second jacket body (33), the 3rd jacket body (34), the 4th jacket body (35); First jacket body is between first obform body and second obform body; Second jacket body is between second obform body and the 3rd obform body, and the 3rd jacket body is between the 3rd obform body and the 4th obform body, and the 4th jacket body is between the 4th obform body and first obform body; Sheath envelopes cable core.
2. special-shaped cable according to claim 1; It is characterized in that said cable core at least by the central reinforce member that is positioned at the center (314), constitute around the stranded many protection tubes (311) of central reinforce member, has an optical fiber (312) at least in the said protection tube.
3. special-shaped cable according to claim 1; It is characterized in that said cable core is made up of many insulated lead; Insulated conductor is parallel to each other or is stranded each other, and every insulated lead constitutes by being positioned at conductor inside (316) and being coated on the outer insulating barrier (315) of conductor.
4. special-shaped cable according to claim 1; It is characterized in that said cable core constitutes by the central reinforce member that is positioned at the center (314), around stranded many protection tubes (311), two insulated leads and the gasket for packing (313) of central reinforce member at least, has an optical fiber (312) at least in the said protection tube; Said insulated conductor constitutes by being positioned at conductor inside (316) and being coated on the outer insulating barrier (315) of conductor.
5. special-shaped cable according to claim 1 is characterized in that the center of circle of said first reinforcement (321), second reinforcement (331), the 3rd reinforcement (341), the 4th reinforcement (351) is positioned on the same circumference.
6. special-shaped cable according to claim 1 is characterized in that the outer rim of said first jacket body (32), second jacket body (33), the 3rd jacket body (34), the 4th jacket body (35) is positioned on the same circumference.
7. make the mould of special-shaped cable, comprise die cap part (1) and core rod part (2); It is characterized in that the die cap part is made up of die cap rear end element (11), die cap front end body (12), the die cap rear end element has frontal plane (111), die cap rear end element first cable-through hole (161), die cap rear end element second cable-through hole (162); Die cap front end body has die cap reinforcement via hole (122), die cap reinforcement via hole wall body (121), die cap dowel hole (123), die cap front end body sidewall (124), die cap front end body and crosses cable core hole (16); Die cap rear end element first cable-through hole (161), die cap rear end element second cable-through hole (162) are positioned at die cap rear end element (11) inside; And die cap rear end element first cable-through hole communicates with die cap rear end element second cable-through hole; Die cap rear end element first cable-through hole is cylindrical; Die cap rear end element second cable-through hole is a cylinder table shape, and the diameter of the bottom surface that the small cross sections in two bottom surfaces of the diameter of die cap rear end element first cable-through hole and the cylinder table shape of die cap rear end element second cable-through hole is long-pending is identical; Die cap reinforcement via hole (122), die cap reinforcement via hole wall body (121), die cap dowel hole (123) respectively are four; Die cap front end body sidewall (124) is four; Die cap reinforcement via hole (122) is to communicate with die cap rear end element first cable-through hole (161), and die cap front end body is crossed cable core hole (16) and communicated with die cap rear end element first cable-through hole (161), and die cap dowel hole (123) communicates with die cap rear end element first cable-through hole (161); It all is that cylindrical hole and its axis are parallel to each other that die cap reinforcement via hole (122), die cap dowel hole (123), die cap front end body are crossed cable core hole (16); The height in the height of die cap reinforcement via hole (122), die cap dowel hole (123) equates with the radius of die cap rear end element first cable-through hole (161) with the radius three sum that die cap front end body is crossed cable core hole (16); Core rod part (2) comprises core rod first (21), core rod second portion (22), the core rod third part (23) that connects successively, and core rod first (21) is the cylindrical and inner columniform cable core via hole (211) that has; Core rod second portion (22) is a cylinder table shape; The small bore part of core rod second portion (22) is connected with core rod first (21); Be symmetrically distributed with first hole (221), second hole (222), the 3rd hole (223), the 4th hole (224) on the wall body of core rod second portion (22), core rod second portion (22) inside has the solid cable core hole (220) of cylinder table shape; Core rod third part (23) for cylindrical and inner have a cylinder table shape wear cable core hole (231); Gu cable core hole (220) are with to wear cable core hole (231) tapering the same and interconnect; Cable core via hole (211), solid cable core hole (220), wear the dead in line of cable core hole (231), the axis of first hole (221), second hole (222), the 3rd hole (223), the 4th hole (224) and the axis of cable core via hole (211) parallel; On the front view of core rod unit, first hole (221), second hole (222), the 3rd hole (223), the 4th hole (224) all are positioned at core rod first (21) outside; The external diameter of core rod first (21) is crossed the diameter of cable core hole (16) less than die cap front end body; The length of core rod first (21) is less than the length of die cap front end body (12) and the length sum of die cap rear end element first cable-through hole (161), and greater than the length of die cap rear end element first cable-through hole (161); The diameter in any hole is all less than the diameter of the die cap reinforcement via hole (122) of correspondence in first hole (221), second hole (222), the 3rd hole (223), the 4th hole (224); Under installment state; Core rod second portion (22) have the part to be positioned within die cap rear end element second cable-through hole (162) and with the inward flange of die cap rear end element second cable-through hole (162) be discontiguous; Core rod first (21) is discontiguous with the inward flange that die cap front end body is crossed cable core hole (16), and core rod first (21) is discontiguous with the inward flange of die cap rear end element first cable-through hole (161).
8. the mould of the special-shaped cable of manufacturing according to claim 7 is characterized in that the outer rim of said die cap front end body sidewall (124) is positioned on the same circumference.
9. the mould of the special-shaped cable of manufacturing according to claim 7 is characterized in that the center of circle of said first hole (221), second hole (222), the 3rd hole (223), the 4th hole (224) is positioned on the same circumference.
10. the mould of the special-shaped cable of manufacturing according to claim 7, it is characterized in that said die cap dowel hole (123) top edge and die cap rear end element first cable-through hole (161) top edge in a straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200394118U CN202487248U (en) | 2012-02-07 | 2012-02-07 | Special cable and mold for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200394118U CN202487248U (en) | 2012-02-07 | 2012-02-07 | Special cable and mold for manufacturing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202487248U true CN202487248U (en) | 2012-10-10 |
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ID=46961652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200394118U Expired - Fee Related CN202487248U (en) | 2012-02-07 | 2012-02-07 | Special cable and mold for manufacturing same |
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| Country | Link |
|---|---|
| CN (1) | CN202487248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658647A (en) * | 2015-01-30 | 2015-05-27 | 苏州圣利线缆有限公司 | Enamelled wire with irregular copper wire |
| CN106128573A (en) * | 2015-06-09 | 2016-11-16 | 灏圭孩 | A kind of rack flexible structure halogen-free flameproof fire proof power cable |
-
2012
- 2012-02-07 CN CN2012200394118U patent/CN202487248U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658647A (en) * | 2015-01-30 | 2015-05-27 | 苏州圣利线缆有限公司 | Enamelled wire with irregular copper wire |
| CN106128573A (en) * | 2015-06-09 | 2016-11-16 | 灏圭孩 | A kind of rack flexible structure halogen-free flameproof fire proof power cable |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20130207 |