CN115542492A - Flame-retardant butterfly-shaped optical cable - Google Patents
Flame-retardant butterfly-shaped optical cable Download PDFInfo
- Publication number
- CN115542492A CN115542492A CN202211537106.6A CN202211537106A CN115542492A CN 115542492 A CN115542492 A CN 115542492A CN 202211537106 A CN202211537106 A CN 202211537106A CN 115542492 A CN115542492 A CN 115542492A
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- sheath
- groove
- optical cable
- flame
- shaped optical
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The invention discloses a flame-retardant butterfly-shaped optical cable which comprises an inner sheath, wherein a wrapping layer is arranged on the circumferential outer wall of the inner sheath, a second sheath is wrapped on the circumferential outer wall of the wrapping layer, a heat insulation layer is wrapped on the circumferential outer wall of the second sheath, a first sheath is wrapped on the circumferential outer wall of the heat insulation layer, a first mounting groove and a second mounting groove are respectively formed in one side of the inner sheath, the number of the second mounting grooves is two, and the two sets of the second mounting grooves are equidistantly distributed on two sides of the first mounting groove. The invention has good flame-retardant and fireproof performance, and higher safety than the traditional polyvinyl chloride sheath, and the second sheath is an argon arc welding longitudinal-wrapped embossed aluminum sheath, so that the integral mechanical performance and bending capability of the optical cable are maintained, and the optical cable has good flame-retardant effect.
Description
Technical Field
The invention relates to the technical field of butterfly-shaped optical cables, in particular to a flame-retardant butterfly-shaped optical cable.
Background
The butterfly-shaped optical cable is a novel user access optical cable, is named after the butterfly-shaped optical cable due to the fact that the cross section of the butterfly-shaped optical cable is shaped like a butterfly, and is produced by reasonably designing the optical cable structure and various technical parameters according to different application environments and different laying conditions, integrating the characteristics of an indoor soft optical cable and a self-supporting optical cable and using special equipment to match with an imported precise mold. The FTTX network is the best candidate product for solving the problems and plays a unique role in constructing networks such as an intelligent building, a digital cell, a campus network, a local area network and the like.
At present, at the in-process that butterfly-shaped optical cable used, because the relatively poor reason of current butterfly-shaped optical cable flame retardant efficiency, when the optical cable takes place the short circuit or runs into the conflagration, lead to the intensity of a fire to further enlarge easily, thereby cause the influence to people's life and property safety, current butterfly-shaped optical cable uses polyvinyl chloride as the oversheath simultaneously mostly, make polyvinyl chloride when the conflagration takes place to put out the release a large amount of halogen-containing toxic gas under the burning, and smog concentration is higher, inhale the human body easily and lead to poisoning and stifle death. Therefore, a flame-retardant butterfly-shaped optical cable is needed to solve the above problems.
Disclosure of Invention
In view of the problems in the related art, the present invention provides a flame-retardant butterfly-shaped optical cable to overcome the above-mentioned technical problems in the related art.
The technical scheme of the invention is realized as follows:
the utility model provides a flame retardant butterfly-shaped optical cable, includes the inner sheath, the circumference outer wall of inner sheath is provided with around the covering, the circumference outer wall cladding around the covering has the second sheath, the circumference outer wall cladding of second sheath has the insulating layer, the circumference outer wall cladding of insulating layer has first sheath, one side of inner sheath is provided with first mounting groove and second mounting groove respectively, the figure of second mounting groove is two sets of, and is two sets of second mounting groove equidistance distributes the both sides of first mounting groove, the inside of second mounting groove is provided with the lag, the lag parcel has first enhancement core, the inside of first mounting groove is provided with fire-proof insulation cover, fire-proof insulation cover is formed by the combination of golden mica area and ceramic silicone rubber area, fire-proof insulation cover parcel has the cable core, the both sides of inner sheath all are provided with support piece.
Further, support piece includes second cambered surface portion and inclined plane portion, the figure of inclined plane portion is two sets of, and is two sets of inclined plane portion is located respectively the both sides of second cambered surface portion, second cambered surface portion and two sets of inclined plane portion integrated into one piece, the outside limit of inclined plane portion is the arc limit, the inboard limit of inclined plane portion is the hypotenuse, one side of second cambered surface portion is provided with the third mounting groove that the equidistance is the arc and distributes, the inside of third mounting groove is provided with the second and strengthens the core.
Furthermore, the outer walls of the two sides of the inner sheath are provided with positioning grooves distributed equidistantly, the bottom of the inclined plane part is fixedly connected with positioning blocks distributed equidistantly, the positioning blocks are matched with the positioning grooves, and the cross section of each positioning block is T-shaped.
Further, first sheath is made for low smoke and zero halogen sheath, the second sheath is the aluminium sheath, the aluminium sheath is argon arc and welds the aluminium sheath of indulging the package roll line, the insulating layer is that pottery silicon rubber forms around the package.
Furthermore, the outer walls of the two sides of the inner sheath are provided with first cambered surfaces, and the circle centers of the first cambered surfaces, the first sheath, the thermal insulation layer, the second sheath, the wrapping layer and the supporting piece are the same.
Further, first recess and second recess have all been seted up to the both sides outer wall of inner sheath, first recess with the second recess is linked together, first recess is located the top of second recess, the cross section of first recess is isosceles trapezoid, the cross section of second recess is isosceles triangle.
Furthermore, the inside all fixedly connected with connecting block in both sides of first recess, the connecting block is in the inside of first recess is the equidistance and distributes.
Furthermore, third grooves are formed in the outer walls of the two sides of the connecting block, the cross section of each third groove is rectangular, a fourth groove is formed in the inner wall of one side of each third groove, and the cross section of each fourth groove is in the shape of an isosceles triangle.
Furthermore, the outer wall of one side of the third groove is provided with anti-slip grooves distributed at equal intervals, the outer wall of the top of the connecting block and the outer wall of the top of the inner sheath are not on the same horizontal plane, and the connecting block is located inside the third groove.
The invention has the beneficial effects that:
the flame-retardant butterfly-shaped optical cable provided by the invention is characterized in that the first sheath, the heat-insulating layer and the second sheath are arranged, the first sheath is made of the low-smoke halogen-free sheath, the smoke discharge amount of the low-smoke halogen-free sheath is low when the low-smoke halogen-free sheath is heated, and the low-smoke halogen-free sheath is made of halogen-free thermoplastic or thermosetting, so that the flame-retardant butterfly-shaped optical cable has good flame-retardant and fireproof performances and is higher in safety compared with a traditional polyvinyl chloride sheath.
According to the flame-retardant butterfly-shaped optical cable provided by the invention, the first groove and the second groove are arranged, the tearing groove of the butterfly-shaped optical cable is formed by combining the first groove and the second groove, the opening of the first groove is larger, so that a cable core positioned in the middle cannot be damaged due to extrusion in the laying process, the pressure-resistant area is larger, the cable core is better protected, and meanwhile, the cross section of the second groove is in an isosceles triangle shape, so that a worker can tear the butterfly-shaped optical cable for assembly more conveniently, and the installation requirements of the worker are met.
According to the flame-retardant butterfly-shaped optical cable provided by the invention, the circle centers of the first cambered surface part, the first sheath, the heat insulation layer, the second sheath, the wrapping layer and the supporting part are the same through the supporting part, the positioning block and the positioning groove, so that the first sheath, the heat insulation layer, the second sheath and the wrapping layer are more convenient to wrap, a round protective sleeve is formed on the butterfly-shaped optical cable, the butterfly-shaped optical cable is in a round structure, pipeline laying work of workers on the butterfly-shaped optical cable is more convenient, downward pressure applied in the optical cable laying process can be transferred to the cambered part through the supporting part, meanwhile, the supporting function is realized through clamping and fixing of a plurality of groups of positioning blocks and the positioning grooves, the cross section of the positioning block is in a T shape, the supporting capacity of the cambered part can be further improved, and the pressure resistance capacity of the whole butterfly-shaped optical cable is improved.
According to the flame-retardant butterfly-shaped optical cable provided by the invention, the connecting block is arranged on the inner wall of the first groove, so that the peeling effect on the butterfly-shaped optical cable can be effectively improved, when workers need to peel the butterfly-shaped optical cable, one hand holds the connecting block closest to the end part of the optical cable, the other hand twists the end part of the optical cable, and due to the existence of the connecting block at the first groove, the twisting degree of the optical cable is obviously reduced at the connecting block, so that a section from the connecting block to the end part can reach larger stress, the inner sheath at the section is easy to crack at the second groove with the most concentrated stress, and then the cracked inner sheath is torn to a target position;
when the staff peeled off the butterfly-shaped optical cable, because the fourth recess had all been seted up to the both sides of connecting block, so the connecting block can be torn more easily, had realized that the manual of butterfly-shaped optical cable is peeled off, and the effect of peeling off is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic end sectional structure of the present invention.
Fig. 3 is a schematic view of an extended structure of the inner sheath of the present invention.
Fig. 4 is a schematic view of a support member of the present invention in a disassembled configuration.
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention.
Fig. 6 is a schematic view of the overall structure of the inner sheath of the present invention.
FIG. 7 is an enlarged view of the structure at B in FIG. 6 according to the present invention.
In the figure:
1. a first sheath; 2. a thermal insulation layer; 3. a second sheath; 4. wrapping a covering; 5. an inner sheath; 5001. a first reinforcing core; 5002. a protective sleeve; 5003. a fireproof insulating sleeve; 5004. a cable core; 5005. a first mounting groove; 5006. a second mounting groove; 5007. a first groove; 5008. a second groove; 5009. a first arc surface portion; 6. a support member; 6001. a third mounting groove; 6002. a second reinforcement core; 6003. positioning blocks; 6004. an inclined plane part; 6005. a second arc surface portion; 6006. positioning a groove; 7. connecting blocks; 7001. an anti-slip groove; 7002. a third groove; 7003. and a fourth groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Referring to fig. 1-7, a flame retardant butterfly optical cable includes an inner sheath 5, a winding layer 4 is disposed on a circumferential outer wall of the inner sheath 5, a second sheath 3 is wrapped on the circumferential outer wall of the winding layer 4, a heat insulating layer 2 is wrapped on the circumferential outer wall of the second sheath 3, a first sheath 1 is wrapped on the circumferential outer wall of the heat insulating layer 2, a first installation groove 5005 and a second installation groove 5006 are respectively disposed on one side of the inner sheath 5, the number of the second installation grooves 5006 is two, the two sets of the second installation grooves 5006 are equidistantly distributed on two sides of the first installation groove 5005, a protection sleeve 5002 is disposed inside the second installation groove 5006, the protection sleeve 5002 is wrapped with a first reinforcing core 5001, a fire insulating sleeve 5003 is disposed inside the first installation groove 5005, the fire insulating sleeve 5003 is formed by combining a gold tape and a ceramic silicon rubber tape, the fire insulating sleeve 5003 is wrapped with a cable core 5004, and support members 6 are disposed on two sides of the inner sheath 5.
First sheath 1 is made for low smoke and zero halogen sheath, second sheath 3 is the aluminium sheath, the aluminium sheath is argon arc welding and indulges a packet embossing aluminium sheath, insulating layer 2 is ceramic silicon rubber around the package and forms, the both sides outer wall of inner sheath 5 is provided with first cambered surface 5009, first cambered surface 5009 and first sheath 1, insulating layer 2, second sheath 3, around covering 4, the centre of a circle of support piece 6 is the same, because first sheath 1 is made for low smoke and zero halogen sheath, the volume of discharging fume when low smoke and zero halogen sheath is heated is low, and itself does not contain halogen thermoplasticity or thermosetting composition, consequently, has good fire-retardant fire behavior, it is higher than traditional polyvinyl chloride sheath security, second sheath 3 is argon arc welding and indulges a packet embossing aluminium sheath simultaneously, consequently both remain the holistic mechanical properties of optical cable and bending capacity also have good fire-retardant efficiency, and insulating layer 2 is ceramic silicon rubber forms, and ceramic silicon rubber has excellent fire prevention, fire-retardant, it is nontoxic etc. to further improve the fire-retardant ability of this optical cable around the package.
The inner parts of two sides of the first groove 5007 are fixedly connected with connecting blocks 7, the connecting blocks 7 are distributed in the first groove 5007 at equal intervals, the outer walls of two sides of the connecting blocks 7 are provided with third grooves 7002, the cross section of each third groove 7002 is rectangular, the inner wall of one side of each third groove 7002 is provided with a fourth groove 7003, the cross section of each fourth groove 7003 is isosceles triangle, the outer wall of one side of each third groove 7002 is provided with anti-skidding grooves 7001 distributed at equal intervals, the outer wall of the top of each connecting block 7 is not in the same horizontal plane with the outer wall of the top of the inner sheath 5, the connecting blocks 7 are positioned in the third grooves 7002, and the stripping effect on the butterfly optical cable can be effectively improved by arranging the connecting blocks 7 on the inner walls of the first grooves 5007, when an operator needs to peel off the butterfly-shaped optical cable, one hand holds the connecting block 7 closest to the end of the optical cable, the other hand twists the end of the optical cable, due to the existence of the connecting block 7 at the first groove 5007, the twisting degree of the optical cable is obviously reduced at the connecting block 7, so that a section from the connecting block 7 to the end can reach larger stress, the inner sheath 5 at the section is easy to crack at the second groove 5008 with the most concentrated stress, and then the cracked inner sheath 5 is torn to a target position.
In summary, according to the above technical solution of the present invention, since the first sheath 1 is made of the low smoke zero halogen sheath, the smoke discharge amount of the low smoke zero halogen sheath is low when the low smoke zero halogen sheath is heated, and the low smoke zero halogen sheath is made of thermoplastic or thermosetting containing no halogen, the flame retardant and fireproof performance is good, and the safety is higher than that of the traditional polyvinyl chloride sheath, and the second sheath 3 is an argon arc welding longitudinally wrapped embossed aluminum sheath, the whole mechanical performance and bending capability of the optical cable are retained, and the thermal insulation layer 2 is wrapped by ceramic silicon rubber, and the ceramic silicon rubber has excellent characteristics of fire resistance, flame retardancy, low smoke, no toxicity, and the like, so as to further improve the flame retardant performance of the optical cable, the tear groove of the butterfly optical cable is formed by combining the first groove 5007 and the second groove 5008, and the opening of the first groove 5007 is large, so that the cable core 5004 located in the middle part is not damaged due to extrusion during the laying process, the pressure-resistant area is larger, the cable core 5004 is better protected, and meanwhile, the cross section of the second groove 5008 is in an isosceles triangle shape, so that the butterfly-shaped optical cable is more conveniently torn and assembled by workers, and the installation requirements of the workers are met, because the circle centers of the first cambered surface portion 5009, the first sheath 1, the heat insulation layer 2, the second sheath 3, the wrapping layer 4 and the supporting piece 6 are the same, the wrapping work of the first sheath 1, the heat insulation layer 2, the second sheath 3 and the wrapping layer 4 is more convenient, a round protective sleeve is formed for the butterfly-shaped optical cable, the butterfly-shaped optical cable is in a round structure, the pipeline laying work of the butterfly-shaped optical cable is more convenient for the workers, the downward pressure applied in the optical cable laying process can be transferred to the inclined plane portion 6004 through the arranged supporting piece 6, and the supporting function is realized through the clamping and fixing of a plurality of groups of positioning blocks 6003 and positioning grooves 6006, the cross section of the positioning block 6003 is in a T shape, the supporting capability of the inclined plane part 6004 can be further improved, and therefore the pressure-resistant capability of the whole butterfly-shaped optical cable is improved, the peeling effect of the butterfly-shaped optical cable can be effectively improved by arranging the connecting block 7 on the inner wall of the first groove 5007, when a worker needs to peel the butterfly-shaped optical cable, one hand holds the connecting block 7 closest to the end part of the optical cable, and the other hand twists the end part of the optical cable, due to the existence of the connecting block 7 at the first groove 5007, the twisting degree of the optical cable can be obviously reduced at the connecting block 7, so that a section from the connecting block 7 to the end part can reach larger stress, the inner sheath 5 at the section can easily crack at the second groove 5008 where the stress is most concentrated, and then the cracked inner sheath 5 can be torn to a target position, when the worker peels the butterfly-shaped optical cable, because the fourth grooves 7003 are formed in both sides of the connecting block 7, the connecting block 7 can be easily torn, the butterfly-shaped optical cable is manually peeled, and the peeling effect is better.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a flame retardant butterfly-shaped optical cable, includes inner sheath (5), its characterized in that, the circumference outer wall of inner sheath (5) is provided with around covering (4), the circumference outer wall cladding around covering (4) has second sheath (3), the circumference outer wall cladding of second sheath (3) has insulating layer (2), the circumference outer wall cladding of insulating layer (2) has first sheath (1), one side of inner sheath (5) is provided with first mounting groove (5005) and second mounting groove (5006) respectively, the figure of second mounting groove (5006) is two sets of second mounting groove (5006) equidistance distributes in the both sides of first mounting groove (5005), the inside of second mounting groove (5006) is provided with lag (5002), lag (5002) parcel has first enhancement core (5001), the inside of first mounting groove (5005) is provided with fire prevention insulating cover (5003), fire prevention insulating cover (5003) is formed by golden mica tape and ceramic silicon rubber tape combination, fire prevention insulating cover (5004) have fire prevention insulating cover support piece, the both sides of cable core (5005) parcel (5006).
2. The flame-retardant butterfly-shaped optical cable according to claim 1, wherein the supporting member (6) comprises two sets of inclined plane portions (6004) and second arc portions (6005), the two sets of inclined plane portions (6004) are respectively located at two sides of the second arc portion (6005), the second arc portion (6005) and the two sets of inclined plane portions (6004) are integrally formed, an outer side of the inclined plane portion (6004) is an arc side, an inner side of the inclined plane portion (6004) is an inclined side, one side of the second arc portion (6005) is provided with third installation grooves (6001) which are distributed in an arc shape at equal intervals, and a second reinforcing core (6002) is arranged inside the third installation groove (6001).
3. The flame-retardant butterfly-shaped optical cable according to claim 2, wherein positioning grooves (6006) are formed in the outer walls of the two sides of the inner sheath (5) and are distributed equidistantly, positioning blocks (6003) are fixedly connected to the bottom of the inclined plane portion (6004) and are distributed equidistantly, the positioning blocks (6003) are matched with the positioning grooves (6006), and the cross section of each positioning block (6003) is T-shaped.
4. The flame-retardant butterfly-shaped optical cable according to claim 1, wherein the first sheath (1) is made of a low-smoke halogen-free sheath, the second sheath (3) is an aluminum sheath, the aluminum sheath is an argon arc welding longitudinally-wrapped embossed aluminum sheath, and the heat-insulating layer (2) is formed by wrapping ceramic silicon rubber.
5. The flame-retardant butterfly-shaped optical cable according to claim 1, wherein the outer walls of the two sides of the inner sheath (5) are provided with first cambered surfaces (5009), and the circle centers of the first cambered surfaces (5009) are the same as those of the first sheath (1), the thermal insulation layer (2), the second sheath (3), the wrapping layer (4) and the support member (6).
6. The flame-retardant butterfly-shaped optical cable according to claim 1, wherein a first groove (5007) and a second groove (5008) are formed in outer walls of two sides of the inner sheath (5), the first groove (5007) is communicated with the second groove (5008), the first groove (5007) is located above the second groove (5008), a cross section of the first groove (5007) is an isosceles trapezoid, and a cross section of the second groove (5008) is an isosceles triangle.
7. The flame-retardant butterfly-shaped optical cable according to claim 6, wherein connecting blocks (7) are fixedly connected to the inside of both sides of the first groove (5007), and the connecting blocks (7) are equidistantly distributed inside the first groove (5007).
8. The flame-retardant butterfly-shaped optical cable according to claim 7, wherein both side outer walls of the connecting block (7) are provided with third grooves (7002), the cross sections of the third grooves (7002) are rectangular, one side inner wall of each third groove (7002) is provided with a fourth groove (7003), and the cross section of each fourth groove (7003) is isosceles triangle.
9. The flame-retardant butterfly-shaped optical cable as claimed in claim 8, wherein an outer wall of one side of the third groove (7002) is provided with anti-slip grooves (7001) distributed equidistantly, an outer wall of the top of the connecting block (7) is not in the same horizontal plane with an outer wall of the top of the inner sheath (5), and the connecting block (7) is located inside the third groove (7002).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211537106.6A CN115542492B (en) | 2022-12-02 | 2022-12-02 | Flame-retardant butterfly-shaped optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211537106.6A CN115542492B (en) | 2022-12-02 | 2022-12-02 | Flame-retardant butterfly-shaped optical cable |
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| Publication Number | Publication Date |
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| CN115542492A true CN115542492A (en) | 2022-12-30 |
| CN115542492B CN115542492B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211537106.6A Active CN115542492B (en) | 2022-12-02 | 2022-12-02 | Flame-retardant butterfly-shaped optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117369074A (en) * | 2023-12-08 | 2024-01-09 | 西安西古光通信有限公司 | Wear-resisting butterfly cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117369074B (en) * | 2023-12-08 | 2024-03-12 | 西安西古光通信有限公司 | Wear-resisting butterfly cable |
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| Publication number | Publication date |
|---|---|
| CN115542492B (en) | 2023-03-10 |
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