CN113325536B - High flame-retardant communication optical cable for rail transit - Google Patents
High flame-retardant communication optical cable for rail transit Download PDFInfo
- Publication number
- CN113325536B CN113325536B CN202110696648.7A CN202110696648A CN113325536B CN 113325536 B CN113325536 B CN 113325536B CN 202110696648 A CN202110696648 A CN 202110696648A CN 113325536 B CN113325536 B CN 113325536B
- Authority
- CN
- China
- Prior art keywords
- insulating sleeve
- rail transit
- optical cable
- picture peg
- retardant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
-
- 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
-
- 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
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4442—Cap coupling boxes
- G02B6/4444—Seals
-
- 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
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/44528—Patch-cords; Connector arrangements in the system or in the box
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Cable Accessories (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to the technical field of optical cables, in particular to a high-flame-retardant communication optical cable for rail transit, wherein an insulating sleeve is coated outside a plurality of optical fiber base materials, an inserting plate and an inserting hole are connected with the optical fiber base materials, one end of a rubber sheet is fixedly connected with the insulating sleeve, the other end of the rubber sheet is provided with a telescopic ring, the rubber sheet is positioned at one end of the insulating sleeve, which is close to the inserting plate, one end of the insulating sleeve, which is close to the inserting hole, is provided with a clamping groove, when two optical cables are connected, the inserting plate of one optical cable is inserted into the inserting hole of the other optical cable to connect the two optical cables together, and after the two optical cables are connected, the telescopic ring is moved to be clamped into the clamping groove, so that the inserting plate and the inserting hole are protected inside the rubber sheet, the connecting part of the inserting plate and the inserting hole is protected, and the protection effect of the connecting part of the two optical cables is improved.
Description
Technical Field
The invention relates to the technical field of optical cables, in particular to a high-flame-retardant communication optical cable for rail transit.
Background
The communication cable is a cable for high-frequency carrier wave and digital communication and signal transmission for near-distance audio communication and long-distance communication, is one of five cable products in China, and can be divided into six series of products, namely urban communication cables, long-distance symmetrical cables, coaxial cables, submarine cables, optical fiber cables and radio frequency cables according to the application and the application range of the communication cable.
In the butt joint process of two optical cables of the existing high-flame-retardant communication optical cable for rail transit, after the optical fiber cores are connected, the joint of the two optical cables is usually coated by a waterproof adhesive tape, so that the joint of the two optical cables is protected, and the waterproof adhesive tape is easy to lose efficacy after a long time, so that the protection effect on the joint of the two optical cables is poor.
Disclosure of Invention
The invention aims to provide a high-flame-retardant communication optical cable for rail transit, so as to improve the protection effect on the joint of two optical cables.
In order to achieve the purpose, the invention provides a high-flame-retardant communication optical cable for rail transit, which comprises an insulating sleeve, a plurality of optical fiber base materials and a rubber sheet, wherein the insulating sleeve is coated outside the optical fiber base materials;
the one end of sheet rubber with insulating cover fixed connection, the other end of sheet rubber is provided with the expansion ring, the sheet rubber is located insulating cover is close to the one end of picture peg, insulating cover is close to the one end of jack is provided with the draw-in groove to protect the junction of two sections optical cables.
Wherein, high fire-retardant communication optical cable for track traffic still includes fixing device, fixing device includes pressure spring and mount, the picture peg has the installation cavity, the both ends of pressure spring respectively with the picture peg with mount fixed connection, the pressure spring is located the inside of installation cavity, the mount is the U-shaped setting, the mount with picture peg sliding connection, stretch out at the both ends of mount the installation cavity, the jack has the fixed slot, with will the picture peg with the jack is fixed.
The positioning block is arranged outside the inserting plate, the positioning block and the inserting plate are integrally formed, and the inserting hole is provided with a positioning groove matched with the positioning block so as to be positioned, and the inserting plate and the inserting hole are conveniently connected.
Wherein, high fire-retardant communication optical cable for track traffic still includes the protective sheath, the protective sheath slip cap is established on the insulating cover, the protective sheath with the jack is dismantled and is connected, and is right the junction of picture peg and jack is protected.
The high-flame-retardant communication optical cable for rail transit further comprises a sealing ring, wherein the sealing ring is fixedly mounted on the jack and seals the joint of the inserting plate and the jack.
Wherein, track traffic is with high fire-retardant communication optical cable still includes sealing device, sealing device includes spring and closing plate, the picture peg has and holds the chamber, the both ends of spring with the picture peg with closing plate fixed connection, the spring is located hold the inside in chamber, the closing plate with picture peg sliding connection, the closing plate is kept away from the one end of spring is located hold the outside in chamber, in order to right the picture peg with the junction of jack is sealed.
According to the high-flame-retardant communication optical cable for rail transit, when two optical cables are connected, the inserting plate of one optical cable is inserted into the inserting hole of the other optical cable to connect the two optical cables together, and after the two optical cables are connected, the telescopic ring is moved to be clamped into the clamping groove, so that the inserting plate and the inserting hole are protected inside the rubber sheet, the joint of the inserting plate and the inserting hole is protected, and the protection effect of the joint of the two optical cables is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-flame-retardant communication optical cable for rail transit provided by the invention.
Fig. 2 is a schematic structural diagram of a joint of two optical cables of the high flame-retardant communication optical cable for rail transit provided by the invention.
Fig. 3 isbase:Sub>A cross-sectional view taken atbase:Sub>A-base:Sub>A of fig. 2 in accordance with the present invention.
Fig. 4 is a cross-sectional view at B-B of fig. 2 provided by the present invention.
Fig. 5 is a partial enlarged view of C of fig. 2 provided by the present invention.
1-insulating sleeve, 101-clamping groove, 102-rubber strip, 2-optical fiber base material, 3-rubber sheet, 31-telescopic ring, 4-inserting plate, 41-installation cavity, 42-positioning block, 43-containing cavity, 5-inserting hole, 51-fixing groove, 52-containing groove, 6-fixing device, 61-pressure spring, 62-fixing frame, 7-protective sleeve, 8-sealing ring, 9-sealing device, 91-spring, 92-sealing plate, 10-sponge strip and 11-steel wire.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the invention provides a high flame retardant communication optical cable for rail transit, which includes an insulating sleeve 1, a plurality of optical fiber base materials 2 and a rubber sheet 3, wherein the insulating sleeve 1 covers the outside of the optical fiber base materials 2, two ends of the insulating sleeve 1 are respectively provided with an inserting plate 4 and an inserting hole 5, and the inserting plate 4 and the inserting hole 5 are connected with the optical fiber base materials 2;
the one end of sheet rubber 3 with 1 fixed connection of insulating cover, the other end of sheet rubber 3 is provided with expansion ring 31, sheet rubber 3 is located insulating cover 1 is close to the one end of picture peg 4, insulating cover 1 is close to the one end of jack 5 is provided with draw-in groove 101.
In this embodiment, insulating cover 1 is many optical fiber base material 2 protects, insulating cover 1 is made by high fire resistance material, makes insulating cover 1 can be high temperature resistant, the both ends of insulating cover 1 are provided with respectively picture peg 4 with jack 5, when connecting two sections optical cables, insert picture peg 4 of one of them section optical cable in the jack 5 of another section optical cable to link two sections optical cables together, after two sections optical cable connect, remove expansion ring 31, make expansion ring 31 block gets into in the draw-in groove 101, thereby will picture peg 4 with jack 5 protects the inside of rubber piece 3, and is right picture peg 4 with the junction of jack 5 is protected, in order to improve the protective effect to the junction of two sections optical cables.
Further, the high-flame-retardant communication optical cable for rail transit further comprises a fixing device 6, the fixing device 6 comprises a pressure spring 61 and a fixing frame 62, the inserting plate 4 is provided with an installation cavity 41, two ends of the pressure spring 61 are respectively fixedly connected with the inserting plate 4 and the fixing frame 62, the pressure spring 61 is located inside the installation cavity 41, the fixing frame 62 is arranged in a U shape, the fixing frame 62 is slidably connected with the inserting plate 4, two ends of the fixing frame 62 extend out of the installation cavity 41, and the inserting hole 5 is provided with a fixing groove 51;
the outside of picture peg 4 is provided with locating piece 42, locating piece 42 with picture peg 4 integrated into one piece, jack 5 have with locating piece 42 assorted constant head tank.
In this embodiment, the fixing device 6 can fix the inserting plate 4 and the inserting hole 5 of two optical cables, and when the inserting plate 4 and the inserting hole 5 are connected, the fixing frame 62 is pressed, then the inserting plate 4 is inserted into the inserting hole 5, then the fixing frame 62 is loosened, one end of the fixing frame 62 enters the inside of the fixing groove 51 under the restoring force of the pressure spring 61, so as to fix the inserting plate 4, the positioning block 42 is arranged outside the inserting plate 4, and when two optical cables are connected, the positioning block 42 of the inserting plate 4 of one optical cable is aligned with the positioning groove of the inserting hole 5 of the other optical cable, so as to position the inserting plate 4, thereby facilitating the connection of the inserting plate 4 and the inserting hole 5.
Further, the high-flame-retardant communication optical cable for rail transit further comprises a protective sleeve 7, the protective sleeve 7 is slidably sleeved on the insulating sleeve 1, and the protective sleeve 7 is detachably connected with the jack 5;
the high-flame-retardant communication optical cable for rail transit further comprises a sealing ring 8, and the sealing ring 8 is fixedly arranged on the jack 5;
track is fire-retardant communication optical cable still includes sealing device 9 for traffic, sealing device 9 includes spring 91 and closing plate 92, picture peg 4 has and holds chamber 43, the both ends of spring 91 with picture peg 4 with closing plate 92 fixed connection, spring 91 is located hold the inside in chamber 43, closing plate 92 with picture peg 4 sliding connection, closing plate 92 keeps away from spring 91's one end is located hold the outside in chamber 43.
In this embodiment, the protective sheath 7 is located picture peg 4 with between the sheet rubber 3, protective sheath 7 can slide on insulating cover 1, after connecting two sections optical cables and accomplishing, remove protective sheath 7 extremely jack 5 department, it is rotatory protective sheath 7 makes protective sheath 7 with jack 5 threaded connection, thereby will picture peg 4 with the junction protection of jack 5 is in the inside of protective sheath 7, later will the expansion ring 31 moves into the inside of draw-in groove 101 makes protective sheath 7 is located the inside of sheet rubber 3, in order to right picture peg 4 with the junction of jack 5 carries out multiple protection to improve the protective effect to the junction of two sections optical cables, and still be provided with on the jack 5 sealing ring 8, will protective sheath 7 is in back on the jack 5, sealing ring 8 with protective sheath 7 is laminated, thereby right protective sheath 7 with the junction of jack 5 seals, still be provided with sealing device 9 on the picture peg 4, will after connecting picture peg 4 with jack 5, screw sealing plate 92 the one end of sealing plate 91 is kept away from the spring is sealed with the jack 5 is sealed the spring is supported the close joint of jack 5 and is improved the effect of spring is laminated under the jack 5.
Further, the insulating sleeve 1 is provided with a plurality of rubber strips 102, and the plurality of rubber strips 102 are arranged outside the insulating sleeve 1 at intervals along the length direction;
the high-flame-retardant communication optical cable for rail transit further comprises a sponge strip 10, wherein the sponge strip 10 is arranged inside the insulating sleeve 1, and the optical fiber base materials 2 are distributed around the periphery of the sponge strip 10;
the high flame-retardant communication optical cable for rail transit further comprises a steel wire 11, and the steel wire 11 is arranged inside the sponge strip 10.
In this embodiment, a plurality of rubber strips 102 are provided outside the insulating sheath 1, the sponge strip 10 is provided inside the insulating sheath 1, when the insulating sheath 1 is pressed, the rubber strips 102 can swing to offset the pressing force, the optical fiber base material 2 is pressed to move to the sponge strip 10 to play a role of buffering, so as to protect the insulating sheath 1, and the steel wire 11 is provided inside the sponge strip 10, so as to increase the tensile strength of the high flame retardant communication optical cable for the rail transit.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A high flame-retardant communication optical cable for rail transit is characterized in that,
the high-flame-retardant communication optical cable for rail transit comprises an insulating sleeve, a plurality of optical fiber base materials, a rubber sheet, a fixing device and a protective sleeve, wherein the insulating sleeve covers the outer parts of the optical fiber base materials;
one end of the rubber sheet is fixedly connected with the insulating sleeve, the other end of the rubber sheet is provided with a telescopic ring, the rubber sheet is positioned at one end of the insulating sleeve, which is close to the plug board, and one end of the insulating sleeve, which is close to the plug hole, is provided with a clamping groove;
the insulating sleeve is provided with a plurality of rubber strips, and the rubber strips are arranged outside the insulating sleeve at intervals along the length direction of the insulating sleeve;
the fixing device comprises a pressure spring and a fixing frame, the inserting plate is provided with an installation cavity, two ends of the pressure spring are respectively fixedly connected with the inserting plate and the fixing frame, the pressure spring is located in the installation cavity, the fixing frame is arranged in a U shape and is in sliding connection with the inserting plate, two ends of the fixing frame extend out of the installation cavity, and the inserting hole is provided with a fixing groove;
the protective sheath is established in the slip cap of protective sheath is sheathe in the insulation, the protective sheath with the jack is dismantled and is connected.
2. The highly flame-retardant optical communication cable for rail transit according to claim 1,
the outside of picture peg is provided with the locating piece, the locating piece with picture peg integrated into one piece, the jack have with locating piece assorted constant head tank.
3. The highly flame-retardant optical communication cable for rail transit according to claim 2,
the high flame-retardant communication optical cable for rail transit further comprises a sealing ring, and the sealing ring is fixedly installed on the jack.
4. The optical communication cable with high flame retardancy for rail transit according to claim 3,
track is high fire-retardant communication optical cable for traffic still includes sealing device, sealing device includes spring and closing plate, the picture peg has the chamber that holds, the both ends of spring with the picture peg with closing plate fixed connection, the spring is located hold the inside in chamber, the closing plate with picture peg sliding connection, the closing plate is kept away from the one end of spring is located hold the outside in chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696648.7A CN113325536B (en) | 2021-06-23 | 2021-06-23 | High flame-retardant communication optical cable for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696648.7A CN113325536B (en) | 2021-06-23 | 2021-06-23 | High flame-retardant communication optical cable for rail transit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113325536A CN113325536A (en) | 2021-08-31 |
| CN113325536B true CN113325536B (en) | 2023-01-17 |
Family
ID=77424474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110696648.7A Active CN113325536B (en) | 2021-06-23 | 2021-06-23 | High flame-retardant communication optical cable for rail transit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113325536B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2027924A (en) * | 1978-08-15 | 1980-02-27 | Cablewave Systems Inc | Fibre optic connectors |
| JP2002228879A (en) * | 2001-02-06 | 2002-08-14 | Mitsubishi Rayon Co Ltd | Plastic optical fiber cable with optical connector |
| JP2013160880A (en) * | 2012-02-03 | 2013-08-19 | Yazaki Corp | Optical connector |
| CN203811858U (en) * | 2014-02-26 | 2014-09-03 | 重庆迎世科技有限公司 | A wire distributing box |
| CN203811857U (en) * | 2014-02-26 | 2014-09-03 | 重庆迎世科技有限公司 | A wire distributing box |
| CN207752204U (en) * | 2018-01-23 | 2018-08-21 | 深圳市飞凯博科技有限公司 | A kind of easily identifiable Multi-core indoor optical cable |
| CN110764195A (en) * | 2019-10-28 | 2020-02-07 | 华为技术有限公司 | Pre-connector and communication equipment |
| CN210429339U (en) * | 2019-05-10 | 2020-04-28 | 河北瑞达线缆有限公司 | Cable and sealing device thereof |
| CN212136033U (en) * | 2020-05-20 | 2020-12-11 | 湖北太平洋线缆实业有限公司 | Light high-flame-retardant double-layer cable |
| CN212540781U (en) * | 2020-03-27 | 2021-02-12 | 华为技术有限公司 | Direct-insertion sealed optical fiber connector, connector and connector assembly |
| CN212781356U (en) * | 2020-08-11 | 2021-03-23 | 深圳市启翔光电技术有限公司 | High-elasticity portable waterproof optical fiber jumper wire |
| CN213482527U (en) * | 2020-11-30 | 2021-06-18 | 尹文 | Track signal transmission optical cable |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006000702B4 (en) * | 2005-10-10 | 2011-11-10 | Phoenix Contact Gmbh & Co. Kg | connection device |
| JP6122291B2 (en) * | 2012-08-10 | 2017-04-26 | 矢崎総業株式会社 | Optical connector and optical connector assembling method |
| CN210982815U (en) * | 2019-12-25 | 2020-07-10 | 武汉光翼讯捷通信技术有限公司 | Connector for optical fiber jumper |
-
2021
- 2021-06-23 CN CN202110696648.7A patent/CN113325536B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2027924A (en) * | 1978-08-15 | 1980-02-27 | Cablewave Systems Inc | Fibre optic connectors |
| JP2002228879A (en) * | 2001-02-06 | 2002-08-14 | Mitsubishi Rayon Co Ltd | Plastic optical fiber cable with optical connector |
| JP2013160880A (en) * | 2012-02-03 | 2013-08-19 | Yazaki Corp | Optical connector |
| CN203811858U (en) * | 2014-02-26 | 2014-09-03 | 重庆迎世科技有限公司 | A wire distributing box |
| CN203811857U (en) * | 2014-02-26 | 2014-09-03 | 重庆迎世科技有限公司 | A wire distributing box |
| CN207752204U (en) * | 2018-01-23 | 2018-08-21 | 深圳市飞凯博科技有限公司 | A kind of easily identifiable Multi-core indoor optical cable |
| CN210429339U (en) * | 2019-05-10 | 2020-04-28 | 河北瑞达线缆有限公司 | Cable and sealing device thereof |
| CN110764195A (en) * | 2019-10-28 | 2020-02-07 | 华为技术有限公司 | Pre-connector and communication equipment |
| CN212540781U (en) * | 2020-03-27 | 2021-02-12 | 华为技术有限公司 | Direct-insertion sealed optical fiber connector, connector and connector assembly |
| CN212136033U (en) * | 2020-05-20 | 2020-12-11 | 湖北太平洋线缆实业有限公司 | Light high-flame-retardant double-layer cable |
| CN212781356U (en) * | 2020-08-11 | 2021-03-23 | 深圳市启翔光电技术有限公司 | High-elasticity portable waterproof optical fiber jumper wire |
| CN213482527U (en) * | 2020-11-30 | 2021-06-18 | 尹文 | Track signal transmission optical cable |
Non-Patent Citations (2)
| Title |
|---|
| 光纤连接器最新技术;安东泰博等;《机电元件》;20001230(第04期);全文 * |
| 高气密性多芯光纤穿舱连接器的设计与实验验证;张景川等;《真空科学与技术学报》;20151115(第11期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113325536A (en) | 2021-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2647096B1 (en) | Strain relief device | |
| KR101123909B1 (en) | Distribution box for underground distribution line | |
| CN113325536B (en) | High flame-retardant communication optical cable for rail transit | |
| CN201698049U (en) | Mounting box for optical-fiber mechanical splice | |
| CN104181657A (en) | On-line cable splice closure | |
| CN213934300U (en) | Optical fiber communication splicing fixing device | |
| CN215116900U (en) | Indoor installation divides fine case | |
| US9869822B2 (en) | Device for distributing hybrid cable and transitioning from trunk cable to jumper cable | |
| KR101486746B1 (en) | Assembly comprising at least one optical fibre and a mounting device | |
| CN209216622U (en) | A kind of secondary configuration client cables of satellite navigation signals | |
| CN109859895A (en) | Convenient for exfoliated low-voltage crosslinked cable | |
| CN111564255A (en) | Vehicle-mounted data cable | |
| CN206696475U (en) | A kind of bar of insulated fiber-optical composite aerial phase line terminal fitting device | |
| CN220381811U (en) | Degradable cable insulating layer structure | |
| CN219658446U (en) | Anticreep cable assembly | |
| CN219610922U (en) | Double-wiring-terminal cable connector | |
| CN105830177A (en) | Integrated umbilical delivery system for gas, data, communications acquisition / documentation, accessory power and safety | |
| CN218647680U (en) | Cable with improved insulation | |
| CN205301643U (en) | Insulator | |
| CN214798033U (en) | Communication cable misplug prevention protection structure | |
| CN210327851U (en) | Switch for communication engineering | |
| CN214312689U (en) | Magnesium oxide mineral insulating pre-branch cable | |
| CN220672268U (en) | Environment-friendly flame-retardant crosslinked polyethylene insulation polyvinyl chloride sheath cable | |
| CN217305600U (en) | Optical fiber communication splicing fixing device | |
| CN215417644U (en) | Special communication cable for monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |