CN109407247B - Flame-retardant optical cable - Google Patents
Flame-retardant optical cable Download PDFInfo
- Publication number
- CN109407247B CN109407247B CN201910030032.9A CN201910030032A CN109407247B CN 109407247 B CN109407247 B CN 109407247B CN 201910030032 A CN201910030032 A CN 201910030032A CN 109407247 B CN109407247 B CN 109407247B
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- optical cable
- sleeve
- rubber
- elastic
- plastic
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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
- G02B6/4432—Protective covering with fibre reinforcements
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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
- G02B6/4436—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
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Cable Accessories (AREA)
Abstract
The invention belongs to the technical field of optical cables, and particularly relates to a flame-retardant optical cable which comprises a rubber sleeve, an elastic rubber column, an inner sleeve, a fireproof mud layer, an aluminum foil belt, an outer sleeve, an elastic steel pipe, a connecting plate, a reinforced steel wire, a rubber filling cavity, a plastic sleeve, a plastic layer, a cable core, a fixing ring and a fixing groove. This kind of fire-retardant optical cable simple structure, novel in design, under the cooperation through rubber filling cavity, improve the fire-retardant performance to the optical cable inside, simultaneously under the cooperation through the flame retardant mud layer, realize the secondary flame retardant efficiency of optical cable, improve the holistic flame retardant efficiency of optical cable, be convenient for optical cable use for a long time, improve the practicality of optical cable, satisfy the worker and use the optical cable, when using, under the cooperation through the elastic rubber column that sets up, strengthen steel wire and connecting plate, very big improvement optical cable body's toughness, avoid the optical cable to receive under the effect of external force and draw impaired when using, ensure cable strength.
Description
Technical Field
The invention belongs to the technical field of optical cables, and particularly relates to a flame-retardant optical cable.
Background
Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications by utilizing one or more optical fibers disposed in a covering sheath as a transmission medium and may be used alone or in groups of communication cable assemblies. The optical cable mainly comprises optical fibers (glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper aluminum and the like are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line for realizing optical signal transmission, wherein a certain number of optical fibers form a cable core in a certain mode, a sheath is covered outside the cable core, and an outer protective layer is covered outside the cable core.
There are many problems in the use of optical cable, like current some optical cable when using, optical cable body itself flame retardant efficiency is relatively poor, and when using for a long time, probably lead to the optical cable to use the high temperature and spontaneous combustion, influence optical cable normal use, and optical cable receives external environment to draw and inside to turn round to be bad easily simultaneously, influence optical cable's life. In view of this, the present invention proposes a flame retardant optical cable having the following characteristics:
(1) The invention provides a flame-retardant optical cable, which has a simple structure and a novel design, improves the flame retardant property of the interior of the optical cable under the cooperation of a rubber filling cavity, realizes the secondary flame retardant effect of the optical cable under the cooperation of a flame-retardant mud layer, improves the overall flame retardant effect of the optical cable, is convenient for long-time use of the optical cable, improves the practical property of the optical cable, and meets the requirement of workers on using the optical cable.
(2) The invention provides a flame-retardant optical cable, which greatly improves the toughness of an optical cable body under the cooperation of an elastic rubber column, a reinforced steel wire and a connecting plate, prevents the optical cable from being damaged due to the influence of external force when in use, and ensures the strength of the cable.
Disclosure of Invention
The invention aims to solve the problems and provide the flame-retardant optical cable which is simple in structure and novel in design, improves the flame retardant property of the inside of the optical cable under the cooperation of the rubber filling cavity, realizes the secondary flame retardant effect of the optical cable under the cooperation of the flame-retardant mud layer, improves the overall flame retardant effect of the optical cable, is convenient for long-time use of the optical cable, improves the practical performance of the optical cable, meets the requirements of workers on using the optical cable, and greatly improves the toughness of the optical cable body under the cooperation of the elastic rubber column, the reinforced steel wire and the connecting plate when in use, so that the optical cable is prevented from being pulled and damaged under the action of external force when in use, and the strength of the cable is ensured.
The invention realizes the aim through the following technical scheme, and the flame-retardant optical cable comprises a rubber sleeve, an elastic rubber column, a cable core and a reinforced steel wire; the surface of the rubber sleeve is fixedly connected with an elastic rubber column, and the other end of the elastic rubber column is fixedly connected with the inner wall of the inner sleeve; an aluminum foil belt is attached to the outer surface of the inner sleeve, and the surface of the aluminum foil belt is tightly attached to the inner wall of the outer sleeve; a cavity is formed between the rubber sleeve and the inner sleeve, and a fireproof mud layer is filled in the cavity; the surface of the outer sleeve is sleeved with fixing rings at equal intervals, and fixing grooves are formed in the surface of the fixing rings;
the inner wall of the rubber sleeve is attached with an elastic steel tube, and the inner wall of the elastic steel tube is fixedly connected with a reinforcing steel wire arranged in the inner cavity of the elastic steel tube through a connecting plate; a rubber filling cavity is formed between the reinforced steel wire and the outer wall of the plastic sleeve, and the plastic sleeve is clamped in the rubber filling cavity; the plastic sleeve is characterized in that a plastic layer is attached to the inner wall of the plastic sleeve, and a cable core is wrapped in the plastic layer.
Preferably, the contact surfaces of the inner sleeve, the aluminum foil belt and the outer sleeve are tightly attached.
Preferably, the number of the elastic rubber columns is four, and the elastic rubber columns are annularly distributed on the surface of the rubber sleeve.
Preferably, the reinforced steel wire is tightly attached to the inner wall of the elastic steel tube through a plastic sleeve.
Preferably, the number of the plastic sleeves is six, and the plastic sleeves are annularly distributed in the rubber filling cavity.
Preferably, the number of the connecting plates is equal to that of the plastic sleeves, and the connecting plates and the plastic sleeves are distributed at intervals.
The beneficial effects of the invention are as follows:
(1) The invention provides a flame-retardant optical cable, which has a simple structure and a novel design, improves the flame retardant property of the interior of the optical cable under the cooperation of a rubber filling cavity, realizes the secondary flame retardant effect of the optical cable under the cooperation of a flame-retardant mud layer, improves the overall flame retardant effect of the optical cable, is convenient for long-time use of the optical cable, improves the practical property of the optical cable, and meets the requirement of workers on using the optical cable.
(2) The invention provides a flame-retardant optical cable, which greatly improves the toughness of an optical cable body under the cooperation of an elastic rubber column, a reinforced steel wire and a connecting plate, prevents the optical cable from being damaged due to the influence of external force when in use, and ensures the strength of the cable.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall side surface attachment structure of the present invention;
FIG. 3 is a schematic view of the overall side surface attachment structure of the present invention.
In the figure: 1. rubber sleeve, 2, elastic rubber column, 3, interior sleeve pipe, 4, fire prevention mud layer, 5, aluminium foil area, 6, outer sleeve pipe, 7, elastic steel pipe, 8, connecting plate, 9, reinforcing steel wire, 10, rubber filling cavity, 11, plastic sleeve pipe, 12, plastic layer, 13, cable core, 14, solid fixed ring, 1401, fixed slot.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, a flame retardant optical cable includes a rubber sleeve 1, an elastic rubber column 2, a cable core 13 and a reinforcing steel wire 9; the surface of the rubber sleeve 1 is fixedly connected with an elastic rubber column 2, the other end of the elastic rubber column 2 is fixedly connected with the inner wall of the inner sleeve 3, and the elastic rubber column 2 is used for improving the toughness of the optical cable; the aluminum foil belt 5 is attached to the outer surface of the inner sleeve 3, the surface of the aluminum foil belt 5 is tightly attached to the inner wall of the outer sleeve 6, and the communication effect of the optical cable is improved conveniently under the action of the aluminum foil belt 5; a cavity is formed between the rubber sleeve 1 and the inner sleeve 3, and a fire-proof mud layer 4 is filled in the cavity, and the fire resistance of the optical cable is improved under the action of the fire-proof mud layer 4; the surface of the outer sleeve 6 is sleeved with the fixing rings 14 at equal intervals, the surface of the fixing rings 14 is provided with the fixing grooves 1401, and the fixing rings 14 are arranged, so that the surface of the outer sleeve 6 is conveniently and stably restrained, and meanwhile, the outer sleeve 6 is conveniently and fixedly installed through the fixing grooves 1401 by a connecting rope;
the inner wall of the rubber sleeve 1 is attached with an elastic steel pipe 7, the inner wall of the elastic steel pipe 7 is fixedly connected with a reinforcing steel wire 9 arranged in the inner cavity of the elastic steel pipe 7 through a connecting plate 8, and the strength of the elastic steel pipe 7 is conveniently improved under the action of the reinforcing steel wire 9; a rubber filling cavity 10 is formed between the reinforced steel wire 9 and the outer wall of the plastic sleeve 11, and the plastic sleeve 11 is clamped in the rubber filling cavity 10; the inner wall of the plastic sleeve 11 is attached with a plastic layer 12, and a cable core 13 is wrapped in the plastic layer 12.
The contact surfaces of the inner sleeve 3, the aluminum foil belt 5 and the outer sleeve 6 are tightly attached, so that the inner sleeve 3, the aluminum foil belt 5 and the outer sleeve 6 are compact in placement and convenient to use; the number of the elastic rubber columns 2 is four, the elastic rubber columns 2 are distributed on the surface of the rubber sleeve 1 in an annular mode, and the toughness of the optical cable is guaranteed to be improved; the reinforced steel wire 9 is tightly attached to the inner wall of the elastic steel tube 7 through the plastic sleeve 11, so that the plastic sleeve 11 is convenient to place; the number of the plastic sleeves 11 is six, and the plastic sleeves 11 are annularly distributed in the rubber filling cavity 10, so that the plastic sleeves 11 are compact in placement and convenient to use; the number of the connecting plates 8 is equal to that of the plastic sleeves 11, the connecting plates 8 and the plastic sleeves 11 are distributed alternately, the plastic sleeves 11 are guaranteed to be placed orderly, and the use is convenient.
When the cable is used, the elastic connection is carried out between the rubber sleeve 1 and the inner sleeve 3 through the elastic rubber column 2, the good toughness of the cable is improved through the action of the elastic rubber column 2, the cable is prevented from being damaged when a worker pulls, the normal use of the cable is greatly guaranteed, the fireproof mud layer 4 is formed by filling the fireproof mud between the inner sleeve 3 and the rubber sleeve 1, the flame retardance of the cable is improved, meanwhile, the elastic steel tube 7 is attached to the rubber sleeve 1, the strength of the cable is greatly improved, and meanwhile, the strength of the cable is further improved under the action of the reinforced steel wire 9, and the cable is prevented from being damaged in the bending process.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. A flame retardant fiber optic cable, characterized by: comprises a rubber sleeve (1), an elastic rubber column (2), a cable core (13) and a reinforced steel wire (9); the surface of the rubber sleeve (1) is fixedly connected with an elastic rubber column (2), and the other end of the elastic rubber column (2) is fixedly connected with the inner wall of the inner sleeve (3); the number of the elastic rubber columns 2 is four, the elastic rubber columns 2 are distributed on the surface of the rubber sleeve 1 in an annular mode, and the toughness of the optical cable is guaranteed to be improved; an aluminum foil belt (5) is attached to the outer surface of the inner sleeve (3), and the surface of the aluminum foil belt (5) is tightly attached to the inner wall of the outer sleeve (6); a cavity is formed between the rubber sleeve (1) and the inner sleeve (3), and a fireproof mud layer (4) is filled in the cavity, and the arranged fireproof mud layer (4) is used for improving the flame retardance of the optical cable; the surface of the outer sleeve (6) is sleeved with fixing rings (14) at equal intervals, fixing grooves (1401) are formed in the surface of the fixing rings (14), and the fixing rings (14) are used for stably binding the surface of the outer sleeve (6) and fixedly installing the outer sleeve (6) through the fixing grooves (1401) by connecting ropes;
an elastic steel tube (7) is attached to the inner wall of the rubber sleeve (1), and the inner wall of the elastic steel tube (7) is fixedly connected with a reinforcing steel wire (9) arranged in the inner cavity of the elastic steel tube (7) through a connecting plate (8); a rubber filling cavity (10) is formed between the reinforced steel wire (9) and the outer wall of the plastic sleeve (11), and the plastic sleeve (11) is clamped in the rubber filling cavity (10); the plastic sleeve (11) is characterized in that a plastic layer (12) is attached to the inner wall of the plastic sleeve, and a cable core (13) is wrapped in the plastic layer (12);
the contact surfaces of the inner sleeve (3), the aluminum foil belt (5) and the outer sleeve (6) are tightly attached;
the reinforced steel wire (9) is tightly attached to the inner wall of the elastic steel tube (7) through a plastic sleeve (11);
the number of the connecting plates (8) is equal to that of the plastic sleeves (11), and the connecting plates (8) and the plastic sleeves (11) are distributed at intervals;
the elastic connection is carried out between the rubber sleeve (1) and the inner sleeve (3) through the elastic rubber column (2), the toughness of the optical cable is improved under the action of the elastic rubber column (2), the optical cable is prevented from being damaged when being pulled by workers, the normal use of the optical cable is guaranteed, a fireproof mud layer (4) is formed by filling fireproof mud between the inner sleeve (3) and the rubber sleeve (1), the flame retardance of the cable is improved, meanwhile, an elastic steel tube (7) is attached in the rubber sleeve (1), the strength of the optical cable is improved, meanwhile, the strength of the optical cable is further improved under the action of the reinforced steel wire (9), and the optical cable is prevented from being damaged in the bending process;
the number of the plastic sleeves (11) is six, the plastic sleeves (11) are distributed in the inner ring of the rubber filling cavity (10), the plastic sleeves 11 are ensured to be placed compactly, and the use is convenient;
the flame retardant performance of the inside of the optical cable is improved under the cooperation of the rubber filling cavity, and meanwhile, the secondary flame retardant effect of the optical cable is realized under the cooperation of the flame retardant mud layer, so that the overall flame retardant effect of the optical cable is improved, and the optical cable is convenient to use for a long time;
under the cooperation effect of the elastic rubber column, the reinforced steel wire and the connecting plate, the toughness of the optical cable body is greatly improved, the optical cable is prevented from being involved and damaged under the action of external force when in use, and the cable strength is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030032.9A CN109407247B (en) | 2019-01-14 | 2019-01-14 | Flame-retardant optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030032.9A CN109407247B (en) | 2019-01-14 | 2019-01-14 | Flame-retardant optical cable |
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| Publication Number | Publication Date |
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| CN109407247A CN109407247A (en) | 2019-03-01 |
| CN109407247B true CN109407247B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910030032.9A Active CN109407247B (en) | 2019-01-14 | 2019-01-14 | Flame-retardant optical cable |
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| CN (1) | CN109407247B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112965191B (en) * | 2021-01-22 | 2022-12-09 | 国网上海市电力公司 | Optical cable protection is with preventing separately protector that ignites in succession |
| CN117215016B (en) * | 2023-11-08 | 2024-02-06 | 江苏中天科技股份有限公司 | Flame-retardant optical cable |
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| US6701047B1 (en) * | 1999-03-31 | 2004-03-02 | Corning Cable Systems Llc | Fiber optic buffer unit and cables including the same |
| EP1422801A2 (en) * | 2002-11-22 | 2004-05-26 | TECE Thews & Clüver GmbH | Cable sleeve |
| CN206975277U (en) * | 2017-03-10 | 2018-02-06 | 深圳市威利安科技有限公司 | A kind of flame-proof cable |
| CN108415131A (en) * | 2018-03-30 | 2018-08-17 | 江苏南方通信科技有限公司 | A kind of lateral pressure resistant optical cable |
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| US8855455B2 (en) * | 2011-11-23 | 2014-10-07 | Nexans | Fiber optic cable |
| US9411116B2 (en) * | 2012-08-29 | 2016-08-09 | Ofs Fitel, Llc | Chemical composition of filler rods for use in optical fiber cables |
| CN105139948A (en) * | 2015-09-23 | 2015-12-09 | 陈薇 | Fireproof integrated bus of cables, optical cables and data cables and preparation method thereof |
| CN205751656U (en) * | 2016-05-11 | 2016-11-30 | 陈朝霞 | snap-type cable |
| CN106019514A (en) * | 2016-07-29 | 2016-10-12 | 通鼎互联信息股份有限公司 | Flame retardant optical cable |
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2019
- 2019-01-14 CN CN201910030032.9A patent/CN109407247B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6701047B1 (en) * | 1999-03-31 | 2004-03-02 | Corning Cable Systems Llc | Fiber optic buffer unit and cables including the same |
| EP1422801A2 (en) * | 2002-11-22 | 2004-05-26 | TECE Thews & Clüver GmbH | Cable sleeve |
| CN206975277U (en) * | 2017-03-10 | 2018-02-06 | 深圳市威利安科技有限公司 | A kind of flame-proof cable |
| CN108415131A (en) * | 2018-03-30 | 2018-08-17 | 江苏南方通信科技有限公司 | A kind of lateral pressure resistant optical cable |
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| Publication number | Publication date |
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| CN109407247A (en) | 2019-03-01 |
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