CN210047029U - Self-supporting indoor and outdoor optical cable easy to branch and extrusion die thereof - Google Patents
Self-supporting indoor and outdoor optical cable easy to branch and extrusion die thereof Download PDFInfo
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- CN210047029U CN210047029U CN201920841513.3U CN201920841513U CN210047029U CN 210047029 U CN210047029 U CN 210047029U CN 201920841513 U CN201920841513 U CN 201920841513U CN 210047029 U CN210047029 U CN 210047029U
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Abstract
The utility model discloses a self-supporting indoor and outdoor optical cable easy to branch and an extrusion die thereof, wherein the extrusion die comprises a die sleeve and a die core, the die core is a disc with a conical bulge, a pair of symmetrically distributed die core and die sleeve matching rods are arranged on the disc, and the top surface of the conical bulge is provided with a penetrating groove of the optical cable easy to branch; the die sleeve is a cylinder with a conical groove, the center of the cylinder is provided with an optical cable forming groove for placing the optical cable easy to branch, two sides of the cylinder are provided with die sleeve positioning holes, and the die core and the die sleeve are connected by penetrating a die sleeve matching rod into the die sleeve positioning holes; a sheath material extrusion channel is arranged between the die sleeve and the die core. The optical cable easy to branch is stripped from the upper end and the lower end of the tight-buffered optical fiber along the outer arc surfaces of the upper V-shaped groove and the lower C-shaped groove to separate the tight-buffered optical fiber from the outer sheath. The optical cable has the advantages of light weight, easy branching, large core number and excellent mechanical property.
Description
Technical Field
The utility model belongs to the optical cable field of making relates to an indoor outer optical cable of easily branching of self-supporting and extrusion tooling thereof.
Background
In rural areas and areas where houses are scattered, the houses are mostly independent houses, a certain distance exists between the houses, the existing laying mode is that a self-supporting optical cable is led in from a light splitting point to each house, the construction cost of the method is high, and the laying efficiency is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the self-supporting indoor and outdoor easy-to-branch optical cable can well solve the problem of laying optical cables in rural areas, effectively improves the construction efficiency and reduces the construction cost. The optical cable comprises the multi-core tight-buffered optical fiber, the outer sheath can be stripped at any position for branching in the laying process, the tight-buffered optical fiber in the cable can be separated out as required for entering a home, and the waste caused by repeated wiring is avoided.
The utility model discloses a realize through following technical scheme.
A self-supporting indoor and outdoor optical cable extrusion die easy to branch comprises a die sleeve and a die core, wherein the die core is a disc with a conical bulge, a pair of symmetrically distributed die core and die sleeve matching rods are arranged on the disc, and the top surface of the conical bulge is provided with a penetrating groove of an optical cable easy to branch; the die sleeve is a cylinder with a conical groove, the center of the cylinder is provided with an optical cable forming groove for placing the optical cable easy to branch, two sides of the cylinder are provided with die sleeve positioning holes, and a die core and die sleeve matching rod penetrates into the die sleeve positioning holes to connect the die core and the die sleeve; and a sheath material extrusion channel 13 is arranged between the die sleeve and the die core.
To above-mentioned technical scheme, the utility model discloses still further preferred scheme:
further, an optical cable suspension wire forming hole, an optical cable suspension neck forming groove, an optical cable body groove and an optical cable V-shaped groove forming groove are formed in the optical cable forming groove, and the structure of the die sleeve corresponds to the appearance shape of the optical cable easy to branch.
Furthermore, the penetrating groove comprises a pair of reinforcing part penetrating holes, C-shaped protrusions are symmetrically arranged between the pair of reinforcing part penetrating holes, and an optical fiber penetrating groove with a rectangular structure is arranged between the C-shaped protrusions.
Furthermore, the C-shaped bulge in the mold core is matched with the mold sleeve in a pipe extruding manner, and when the mold sleeve is matched, the thickness of the C-shaped bulge in the mold core penetrates out of the plane of the optical cable forming groove.
Furthermore, the C-shaped bulge in the mold core is in semi-extrusion fit with the mold sleeve, and when the mold sleeve is matched, the thickness of the C-shaped bulge in the mold core is kept to be flush with the plane where the optical cable forming groove penetrates out.
Correspondingly, the utility model also provides a self-supporting indoor and outdoor optical cable easy to branch, the optical cable easy to branch which penetrates into the mold core penetrating groove comprises a metal reinforcement, a hanging neck, a V-shaped groove, a metal reinforcement, a C-shaped gap, a tightly sleeved optical fiber and an outer sheath, a pair of C-shaped gaps which are distributed oppositely are arranged in the outer sheath, the tightly sleeved optical fiber is arranged between the C-shaped gaps, and the metal reinforcement is arranged in the C-shaped gaps; one end of the outer sheath is provided with a hanging neck, and a metal reinforcing piece is connected to the hanging neck; four V-shaped grooves are symmetrically arranged on the periphery of the outer sheath, connecting lines of the upper V-shaped groove and the lower V-shaped groove are intersected with the opening end of the C-shaped gap, stripping is conducted from the outer arc surfaces of the upper V-shaped groove and the lower V-shaped groove and the C-shaped gap to the upper end and the lower end of the tight-buffered optical fiber, and the tight-buffered optical fiber of the optical cable easy to branch can be separated from the.
Further, the metal reinforcing part and the metal reinforcing part are made of alloy materials.
Furthermore, the tight-buffered optical fiber is made of nylon material, and the outer diameter of the tight-buffered optical fiber is 1 +/-0.5 mm.
The utility model discloses owing to take above technical scheme, it has following beneficial effect:
1. a C-shaped gap is designed between the reinforcing piece and the sheath, and a V-shaped groove is formed in the surface of the optical cable sheath. The design of the optical cable mold core and the mold sleeve is beneficial to the generation of a C-shaped gap and a V-shaped groove.
2. An optical cable extrusion die is designed, the die consists of a die core and a die sleeve, and a C-shaped bulge is designed in the die core to ensure the formation of a C-shaped gap when the optical cable sheath is extruded. A V-shaped bulge is designed at the die sleeve to ensure the formation of the V-shaped groove of the optical cable.
3. The mold core and the mold sleeve are combined through the positioning holes in advance, and eccentric adjustment is not needed after installation, so that the production efficiency is improved.
4. Compared with the traditional GYTA and GYTS optical cables, the self-supporting optical cable has the advantages of light weight and easiness in branching.
5. Compared with the traditional indoor and outdoor optical cable, the cable has the characteristics of large core number and excellent mechanical property.
6. A C-shaped gap and a V-shaped groove in the optical cable sheath are designed between the reinforcing piece and the sheath, so that the optical cable is easier to strip.
7. The branched optical fiber is a tight-buffered optical fiber, and has better mechanical property than a bare optical fiber in the traditional optical cable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:
FIG. 1 is a schematic view of a fiber optic cable configuration;
FIG. 2 is a schematic view of a cable stripping;
FIG. 3 is a schematic view of a cable mold configuration;
FIG. 4 is a schematic cross-sectional view of a fiber optic cable mold;
FIGS. 5(a) and 5(b) are schematic views of the structure of the mold chase;
FIG. 6 is a schematic view of a mold core structure;
fig. 7(a) and 7(b) are enlarged structural views of the suspension wire reinforcement penetration hole and the mold core penetration groove, respectively.
In the figure: 1. a metal reinforcement; 2. hanging a neck; 3. a V-shaped groove; 4. a metal reinforcement; 5. a C-shaped gap; 6. tightly sleeving the optical fiber; 7. an outer sheath; 8. a stripping tool bit; 9. the state after the cutter head cuts; 10. a segmentation state; 11. die sleeve; 12. a mold core; 13. a sheath material extrusion channel; 14. a die sleeve positioning hole; 15. an optical cable molding groove; 16. forming holes for optical cable suspension wires; 17. an optical cable hanging neck forming groove; 18. an optical cable body forming groove; 19. an optical cable V-shaped groove forming groove; 20. the mold core and the mold sleeve are matched with the rod; 21. penetrating into the groove; 22. the suspension wire reinforcement is inserted into the hole; 23. the reinforcing member penetrates into the hole; 24. c-shaped bulges; 25. the optical fiber passes through the groove.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.
As shown in fig. 1, the structure diagram of the self-supporting indoor and outdoor optical cable is an optical cable structure which is composed of a metal reinforcing part 1, a hanging neck 2, a V-shaped groove 3, a metal reinforcing part 4, a C-shaped gap 5, a tightly sleeved optical fiber 6 and an outer sheath 7. Wherein a pair of C-shaped gaps 5 which are distributed oppositely are arranged in the outer sheath 7, a tight-sleeved optical fiber 6 is arranged between the pair of C-shaped gaps 5 which are distributed oppositely, and a metal reinforcing part 4 is arranged in the C-shaped gap 5; one end of the outer sheath 7 is provided with a hanging neck 2, and the hanging neck 2 is connected with a metal reinforcing part 1; four V-shaped grooves 3 are symmetrically arranged on the outer periphery of the outer sheath 7, and the connecting line of the upper V-shaped groove 3 and the lower V-shaped groove 3 is intersected with the opening end of the C-shaped gap 5. Wherein, the reinforcement and the reinforcement all use alloy material, and the intensity that compares traditional steel wire improves more than 20%, further improves the self-supporting ability of optical cable. The tight-buffered optical fiber 6 is made of nylon material, the outer diameter of the tight-buffered optical fiber is 1.0 +/-0.5 mm, and the mechanical performance of the optical fiber after being branched from the optical cable is enhanced.
As shown in FIG. 2, for the stripping schematic diagram of the optical cable, firstly, a stripping tool bit 8 is used for stripping from a V-shaped groove 3 of the optical cable, stripping is performed along the outer arc surfaces of an upper V-shaped groove 3, a lower V-shaped groove 3 and a C-shaped gap 5 to the upper end and the lower end of a tight-buffered optical fiber 6, stripping is performed to the intersection with the C-shaped gap 5, and the state 9 after cutting is shown in the figure. The cable jacket can then be easily separated and the tight-buffered optical fibers 6 are separated from the outer jacket 7 as shown at 10.
Fig. 3 is a structural diagram of an optical cable mold of the self-supporting indoor and outdoor optical cable easy to branch shown in fig. 1, wherein the optical cable extrusion mold comprises a mold sleeve 11 and a mold core 12.
As shown in fig. 6, the mold core 12 is a circular disc with a conical protrusion, a pair of mold core and mold sleeve matching rods 20 are symmetrically distributed on the circular disc, the conical core is conical, and a penetration groove 21 of the optical cable easy to branch is formed on the top surface of the cone.
Referring to fig. 4, which is a cross-sectional view of a cable mold, the mold sleeve 11 is a cylinder with a tapered recess, which is engaged with a tapered protrusion of the mold core 12. The sheath material extrusion channel 13 is positioned between the mold core and the mold sleeve, and is produced in a tube extrusion mode.
As shown in fig. 5(a), which is a structural diagram of the mold sleeve 11, the center of the cylindrical mold sleeve 11 is provided with an optical cable forming groove 15 for placing the optical cable easy to branch, two sides of the optical cable forming groove 15 are provided with mold sleeve positioning holes 14 penetrating through the mold core and mold sleeve matching rods 20, and the mold core and mold sleeve matching rods 20 penetrate through the mold sleeve positioning holes 14 for connection, so as to ensure the mutual matching of the mold core 12 and the mold sleeve 11. The center of the cylindrical die sleeve 11 is provided with an optical cable forming groove 15 which corresponds to the penetrating groove 21 of the die core 12.
As shown in fig. 5(b), the cable forming groove 15 is provided with a cable suspension wire forming hole 16, a cable suspension neck forming groove 17, a cable body forming groove 18 and a cable V-shaped groove forming groove 19, and the structure of the mold sleeve corresponds to the appearance shape of the optical cable easy to branch.
Fig. 6 shows a structure diagram of the mold core 12, which is composed of a mold core and mold sleeve matching rod 20 and a penetrating groove 21. The reinforcement, strength member, tight-buffered fiber enter the extrusion die through the entrance slot 21. The core and sleeve engaging rods 20 engage the sleeve locating holes 14 to hold the core and sleeve together.
As shown in fig. 7(a), an enlarged view of the messenger wire reinforcement insertion hole 22 is shown, and as shown in fig. 7(b), an enlarged view of the insertion groove 21 includes a pair of reinforcement insertion holes 23, C-shaped protrusions 24 are symmetrically provided between the pair of reinforcement insertion holes 23, and an optical fiber insertion groove 25 having a rectangular structure is provided between the C-shaped protrusions 24. The thickness of the C-shaped bulge 24 in the mold core 12 is 10 mm-15 mm. The C-shaped bulge 24 in the mold core is matched with the mold sleeve 11 in a pipe extruding manner, and when the mold sleeve is matched, the thickness of the C-shaped bulge 24 in the mold core penetrates out of the plane of the optical cable forming groove 15. Or the C-shaped bulge in the mold core is in semi-extrusion fit with the mold sleeve, and when the mold sleeve is matched, the thickness of the C-shaped bulge 24 in the mold core is kept to be flush with the plane where the optical cable forming groove 15 penetrates out.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (8)
1. A self-supporting indoor and outdoor optical cable extrusion die easy to branch is characterized by comprising a die sleeve and a die core, wherein the die core is a disc with a conical bulge, a pair of symmetrically distributed die core and die sleeve matching rods are arranged on the disc, and the top surface of the conical bulge is provided with a penetrating groove of an optical cable easy to branch; the die sleeve is a cylinder with a conical groove, the center of the cylinder is provided with an optical cable forming groove for placing the optical cable easy to branch, two sides of the cylinder are provided with die sleeve positioning holes, and a die core and die sleeve matching rod penetrates into the die sleeve positioning holes to connect the die core and the die sleeve; and a sheath material extrusion channel is arranged between the die sleeve and the die core.
2. The extrusion die for the self-supporting indoor and outdoor optical cables easy to branch according to claim 1, wherein the optical cable forming groove is provided with an optical cable suspension wire forming hole, an optical cable suspension neck forming groove, an optical cable body forming groove and an optical cable V-shaped groove forming groove, and the structure of the die sleeve corresponds to the appearance shape of the optical cable easy to branch.
3. The extrusion die for the self-supporting indoor and outdoor easy-to-branch optical cable as claimed in claim 1, wherein the insertion groove comprises a pair of reinforcement insertion holes, C-shaped protrusions are symmetrically arranged between the pair of reinforcement insertion holes, and an optical fiber insertion groove with a rectangular structure is arranged between the C-shaped protrusions.
4. The self-supporting indoor and outdoor easy-to-branch optical cable extrusion die as claimed in claim 3, wherein the C-shaped protrusion in the die core is in extruded tube type fit with the die sleeve, and when the die sleeve is fitted, the thickness of the C-shaped protrusion in the die core penetrates out of the plane of the optical cable forming groove.
5. The self-supporting indoor and outdoor easy-to-branch optical cable extrusion die as claimed in claim 3, wherein the C-shaped protrusion in the die core is in semi-extrusion fit with the die sleeve, and when the die sleeve is fitted, the thickness of the C-shaped protrusion in the die core is kept to be flush with the plane where the optical cable molding groove penetrates out.
6. A self-supporting indoor and outdoor optical cable easy to branch is characterized in that the optical cable easy to branch penetrating into a mold core penetrating groove comprises a metal reinforcing part, a hanging neck, a V-shaped groove, a metal reinforcing part, a C-shaped gap, a tightly sleeved optical fiber and an outer sheath, a pair of C-shaped gaps which are distributed oppositely is arranged in the outer sheath, the tightly sleeved optical fiber is arranged between the C-shaped gaps, and the metal reinforcing part is arranged in the C-shaped gap; one end of the outer sheath is provided with a hanging neck, and a metal reinforcing piece is connected to the hanging neck; four V-shaped grooves are symmetrically arranged on the periphery of the outer sheath, connecting lines of the upper V-shaped groove and the lower V-shaped groove are intersected with the opening end of the C-shaped gap, stripping is conducted from the outer arc surfaces of the upper V-shaped groove and the lower V-shaped groove and the C-shaped gap to the upper end and the lower end of the tight-buffered optical fiber, and the tight-buffered optical fiber of the optical cable easy to branch can be separated from the.
7. A self-supporting indoor and outdoor furcation optical cable according to claim 6, wherein the metal reinforcing member and the metal reinforcing member are made of alloy material.
8. The self-supporting indoor and outdoor easy-to-branch optical cable according to claim 6, wherein the tight-buffered optical fiber is made of nylon material, and the outer diameter of the tight-buffered optical fiber is 1 ± 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920841513.3U CN210047029U (en) | 2019-06-05 | 2019-06-05 | Self-supporting indoor and outdoor optical cable easy to branch and extrusion die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920841513.3U CN210047029U (en) | 2019-06-05 | 2019-06-05 | Self-supporting indoor and outdoor optical cable easy to branch and extrusion die thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210047029U true CN210047029U (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920841513.3U Expired - Fee Related CN210047029U (en) | 2019-06-05 | 2019-06-05 | Self-supporting indoor and outdoor optical cable easy to branch and extrusion die thereof |
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| CN (1) | CN210047029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126231A (en) * | 2019-06-05 | 2019-08-16 | 西安西古光通信有限公司 | A kind of easily branched optical cable of self-bearing type indoor and outdoor and its extrusion die |
-
2019
- 2019-06-05 CN CN201920841513.3U patent/CN210047029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126231A (en) * | 2019-06-05 | 2019-08-16 | 西安西古光通信有限公司 | A kind of easily branched optical cable of self-bearing type indoor and outdoor and its extrusion die |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20210605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |