CN110133810B - Prefabricated end butterfly-shaped lead-in optical cable and preparation method thereof - Google Patents
Prefabricated end butterfly-shaped lead-in optical cable and preparation method thereof Download PDFInfo
- Publication number
- CN110133810B CN110133810B CN201910282868.8A CN201910282868A CN110133810B CN 110133810 B CN110133810 B CN 110133810B CN 201910282868 A CN201910282868 A CN 201910282868A CN 110133810 B CN110133810 B CN 110133810B
- Authority
- CN
- China
- Prior art keywords
- cable
- rigid coupling
- stopper
- horizontal pole
- butterfly
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000872 buffer Substances 0.000 claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract 10
- 238000010168 coupling process Methods 0.000 claims abstract 10
- 238000005859 coupling reaction Methods 0.000 claims abstract 10
- 230000000670 limiting effect Effects 0.000 claims description 62
- 239000004033 plastic Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- G02B6/24—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
-
- 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
- G02B6/4457—Bobbins; Reels
- G02B6/4458—Coiled, e.g. extensible helix
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides a prefabricated end butterfly-shaped lead-in optical cable and a preparation method thereof, and relates to the technical field of cables. The utility model provides a prefabricated butterfly introducing optical cable of forming end, including connect, the cable, still include the protection device with connect the rigid coupling, protection device includes spacing end, one end and the elastic buffer portion that is equipped with an inner chamber of joint rigid coupling other end and spacing end rigid coupling, be equipped with a horizontal pole in the inner chamber, the cover is located the horizontal pole and is had the stiff end, the elastic component of expansion end, locate the horizontal pole with the expansion end rigid coupling and can follow the stopper of horizontal pole reciprocating motion, the cable passes the stopper and with the stopper rigid coupling, still include the snap ring that is used for making the parallel arrangement that the cable can the winding, thereby can drive the stopper and slide tensile elastic component when the cable rolling. The optical cable can bear certain tensile force when being laid, has strong extrusion resistance and bending deformation resistance at the joint, can be used for a long time without cable fracture at the joint, and is durable.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a prefabricated end butterfly-shaped lead-in optical cable and a preparation method thereof.
Disclosure of Invention
In the fiber-to-the-home installation, the end forming of the optical cable is very important, one end of the butterfly-shaped fiber-to-the-home cable is connected with the optical splitter at the fiber splitting box, the other end is connected with the ONU at the end forming position in the user home, and the quality of the end forming directly influences the quality of optical signal transmission and the user experience. At present, fiber-to-the-home maintenance is carried out the end forming technology mainly comprises 4 types: the tail fiber fusion end forming technology, the cold joint end forming technology, the prefabrication end forming technology and the fusion end forming technology. With the large-scale construction of FTTH urban optical networks, butterfly-shaped drop cables are widely used. The butterfly-shaped lead-in optical cable is used as a transmission medium between the local side and the user, and the optical fiber connector is used as a connecting device, so that the quick connection of the optical link between the family and the corridor is realized. The connection between the butterfly-shaped lead-in optical cable and the optical fiber connector is realized mainly by two forces, namely a cold connection technology of the optical fiber quick connector and the butterfly-shaped lead-in optical cable and a prefabrication end forming technology.
Patent document with publication number CN202886685U discloses a prefabricated end-type butterfly-shaped lead-in optical cable, which comprises a butterfly-shaped optical cable, a movable connecting plug, wherein the movable connecting plug comprises a metal fixing buckle, a supporting pipe, a fixing head sleeve and a ceramic-washing plug core, the remaining fixing buckle and the fixing head sleeve are respectively arranged at two ends of the supporting pipe, buckles are respectively arranged at two sides of the fixing head sleeve, the ceramic plug core is arranged at the front end of the fixing head sleeve, the butterfly-shaped optical cable sequentially passes through the metal fixing buckle, the supporting pipe and the fixing head sleeve and is connected with the ceramic plug core, and the butterfly-shaped optical cable is fixed on the movable connecting plug through the metal fixing buckle. The prefabricated end-forming butterfly-shaped lead-in optical cable can be broken after being bent at a connecting part in the process of installation and use and used for a long time, signal transmission is hindered, the cable and the joint are poor in bending resistance, tensile resistance and extrusion resistance at the connecting position, the cable and the joint can be transversely broken after being used for a period of time, in addition, the line can be stretched when the cable is paved and led, and the cable and the joint can be loosened or broken under the action of the tensile force at the contact position. The circuit break can be caused by slightly careless and improper operation, the service cycle is reduced, and the damage caused by secondary decoration or cable television access construction of users is easy to cause.
Disclosure of Invention
In view of the above, the invention provides a prefabricated end butterfly-shaped lead-in optical cable and a preparation method thereof, which can bear certain tensile force when the optical cable is laid, and meanwhile, the optical cable has strong extrusion resistance and bending deformation resistance at the joint, and can be used for a long time without cable fracture at the joint.
The invention relates to a prefabricated end butterfly-shaped lead-in optical cable, which comprises a connector, a cable and a protection device fixedly connected with the connector, wherein the protection device comprises a limiting end, an elastic buffer part, one end of the elastic buffer part is fixedly connected with the connector, the other end of the elastic buffer part is fixedly connected with the limiting end, an inner cavity is formed in the inner cavity, a cross rod, an elastic piece sleeved on the cross rod and provided with a fixed end and a movable end, a limiting block fixedly sleeved on the cross rod and capable of reciprocating along the cross rod is arranged in the inner cavity in a sleeved mode, the cable passes through the limiting block and is fixedly connected with the limiting block, and the protection device further comprises a clamping ring which is used for enabling the cable to be wound in a parallel mode, so that the limiting block can be driven to slide when the cable is wound, and the elastic piece is stretched.
Preferably, the number of the clamping rings is at least 3.
Preferably, the cable winding device further comprises a limiting column arranged right below the clamping ring and used for limiting the cable winding amplitude.
Preferably, the length of the elastic member when not subjected to external force is smaller than the length of the inner cavity.
Preferably, the elastic buffer portion is made of one or two of rubber and elastic plastic.
Preferably, a notch is provided on the periphery of the elastic buffer portion.
Preferably, the elastic buffer portion is provided with a plurality of buffer air holes.
Preferably, the limiting end is provided with a through hole for enabling the cable to pass through and be communicated with the inner cavity, and the diameter of the through hole is smaller than that of the inner cavity.
Preferably, the limiting end is provided with a limiting plug.
A preparation method of the prefabricated end butterfly-shaped lead-in optical cable based on the above comprises the following steps of enabling a cable to pass through a limiting end to enter an inner cavity, winding the cable on a clamping ring, embedding the cable into a joint, fixedly connecting the cable at the lower end of the limiting block, and packaging.
According to the invention, the cables are wound on the clamping ring to form a plurality of single-strand coils which are arranged side by side, the diameters of the coils can be larger under the action of the elastic piece and are limited by the limiting block, the cables can be stretched when the external force acts on the coils, the diameters of the coils can be gradually reduced, so that the cables can be unreeled, the pullable length of the cables can be extended, the limiting block is transversely pulled, and the elastic piece can be stretched when the external force acts on the elastic piece; when the external force disappears, the limiting block moves towards the initial position under the action of the resilience force of the elastic piece, and meanwhile, the coil is extruded to roll the limiting block, so that the limiting block returns to the original state. The optical cable can bear certain tensile force when being laid, has strong extrusion resistance and bending deformation resistance at the joint, can be used for a long time without cable fracture at the joint, and is durable.
Drawings
FIG. 1 is a schematic view of a preformed end butterfly drop cable according to an embodiment of the present invention;
FIG. 2 is a schematic view of another embodiment of a prefabricated end butterfly drop cable
Wherein: 1-linker; 2-a cable; 3-a protection device; 31-limiting ends; 311-limiting plugs; 32-an elastic buffer; 321-notch; 322-buffer air holes; 33-lumen; 34-a cross bar; 35-an elastic member; 351-a fixed end; 352-active end; 36-limiting blocks; 37-snap ring; 38-limit posts.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
Example 1
Referring to fig. 1, a prefabricated end butterfly-shaped lead-in optical cable comprises a connector 1, a cable 2, a protection device 3 fixedly connected with the connector 1, wherein the protection device 3 comprises a limiting end 31, an elastic buffer part 32, one end of the elastic buffer part 32 is fixedly connected with the connector 1, the other end of the elastic buffer part is fixedly connected with the limiting end 31, an inner cavity 33 is provided with a cross rod 34, an elastic piece 35 sleeved on the cross rod 34 and provided with a fixed end 351 and a movable end 352, a limiting block 36 fixedly connected with the movable end 352 and sleeved on the cross rod 34 and capable of reciprocating along the cross rod 34, the cable 2 passes through the limiting block 36 and is fixedly connected with the limiting block 36, and a clamping ring 37 which is used for enabling the cable 2 to be wound in parallel is further arranged, so that the limiting block 36 can be driven to slide when the cable 2 is wound, and the elastic piece 35 is stretched.
The stopper 36 can be stopped by the stopper end 31 to prevent excessive stretching and damage to the cable 2 and internal components.
The limiting block 36 can be a rectangular wood block, the elastic piece 35 can be a spring, a through hole is formed in the upper end of the limiting block 36, so that the limiting block 36 can slide freely on the cross rod 34, one end of the elastic piece 35 is fixedly connected with the joint 1, the other end of the elastic piece is a movable end 352, the elastic piece 35 is connected with the limiting block 36, and the elastic piece 35 can slide back and forth due to shrinkage of the elastic piece 35; the lower end of the limiting block 36 is provided with a lower through hole, the cable 2 passes through the lower through hole, and then glue or other fixing liquid is used to enable the cable 2 to be fixed on the limiting block 36, the cable 2 cannot move in the lower through hole, even if the limiting block 36 can move in the same position as the cable 2, relative displacement cannot occur, and the limiting block and the cable 2 move leftwards or rightwards together. When the cable 2 is pulled by external force, the cable 2 moves, and the limiting block 36 moves (moves leftwards), the limiting block 36 stretches the elastic piece 35, so that the length of the elastic piece 35 is increased, and the radius of the coil is reduced; after the external force is removed, the stopper 36 is forced to return to its original position (move rightward) by the resilience force of the spring, and the coil of the drive cable 2 is wound up, and the coil diameter becomes large.
In this embodiment, the number of the snap rings 37 is 3, and a limit post 38 is disposed under the snap rings 37 and is used for limiting the winding width of the cable 2. After the coil is stretched, the limit posts 38 can play a role in guiding coil winding when the coil is restored to the original shape, meanwhile, excessive winding non-uniformity among a plurality of coils is prevented, and the tensile resistance and deformation capacity of the coil are enhanced.
The length of the elastic member 35 when not receiving an external force is smaller than the length of the inner cavity 33, so that it can be ensured that the elastic member 35 can provide a resilience force when the cable 2 is stretched by an external force, thereby winding the coil.
The elastic buffer portion 32 is made of rubber, a notch 321 is formed in the periphery of the elastic buffer portion 32, and a plurality of buffer air holes 322 are formed in the elastic buffer portion 32. The rubber has good elasticity, and mechanical strength can also meet the requirements, and the notch 321 is bent at the joint of the cable 2 and the joint 1, so that the deformation capacity of the cable can be enhanced when the cable is kinked, the cable cannot be transversely broken, and meanwhile, the buffer air holes 322 are formed, so that the cable 2 and internal components can be protected by good buffer capacity when the extrusion force is received.
In addition, the limiting end 31 is provided with a through hole for passing the cable 2 through the inner cavity 33, and the diameter of the through hole is smaller than that of the inner cavity 33. The limiting end 31 is provided with a limiting plug 311, the limiting plug 311 is fixedly connected to the cable 2, the limiting plug 311 can play a role in preventing dust from entering in normal conditions, and the limiting plug 311 is removed when the cable 2 is pulled.
A preparation method of a prefabricated end butterfly-shaped lead-in optical cable comprises the following steps of enabling a cable 2 to penetrate through a limiting end 31 to enter an inner cavity 33, winding the cable 2 on a clamping ring 37, embedding the cable 2 into a connector 1, fixedly connecting the cable 2 to the lower end of a limiting block 36, and packaging.
Example two
Referring to fig. 2, a prefabricated end butterfly lead-in optical cable includes a connector 1, a cable 2, a protection device 3 fixedly connected with the connector 1, the protection device 3 includes a limit end 31, an elastic buffer portion 32 with an inner cavity 33, one end of the elastic buffer portion is fixedly connected with the connector 1, the other end of the elastic buffer portion is fixedly connected with the limit end 31, a cross rod 34 is arranged in the inner cavity 33, an elastic member 35 sleeved on the cross rod 34 and having a fixed end 351 and a movable end 352, a limit block 36 fixedly connected with the movable end 352 and sleeved on the cross rod 34 and capable of reciprocating along the cross rod 34 is provided, the cable 2 passes through the limit block 36 and is fixedly connected with the limit block 36, and a clamping ring 37 which is used for enabling the cable 2 to be capable of winding is provided in parallel, so that the limit block 36 can be driven to slide when the cable 2 is wound, and the elastic member 35 is stretched.
The stopper 36 can be stopped by the stopper end 31 to prevent excessive stretching and damage to the cable 2 and internal components.
The limiting block 36 can be a rectangular wood block, the elastic piece 35 can be a spring, a through hole is formed in the upper end of the limiting block 36, so that the limiting block 36 can slide freely on the cross rod 34, one end of the elastic piece 35 is fixedly connected with the joint 1, the other end of the elastic piece is a movable end 352, the elastic piece 35 is connected with the limiting block 36, and the elastic piece 35 can slide back and forth due to shrinkage of the elastic piece 35; the lower end of the limiting block 36 is provided with a lower through hole, the cable 2 passes through the lower through hole, and then glue or other fixing liquid is used to enable the cable 2 to be fixed on the limiting block 36, the cable 2 cannot move in the lower through hole, even if the limiting block 36 can move in the same position as the cable 2, relative displacement cannot occur, and the limiting block and the cable 2 move leftwards or rightwards together. When the cable 2 is pulled by external force, the cable 2 moves, and the limiting block 36 moves (moves leftwards), the limiting block 36 stretches the elastic piece 35, so that the length of the elastic piece 35 is increased, and the radius of the coil is reduced; after the external force is removed, the stopper 36 is forced to return to its original position (move rightward) by the resilience force of the spring, and the coil of the drive cable 2 is wound up, and the coil diameter becomes large.
In this embodiment, the number of the snap rings 37 is 4, and the limiting columns 38 are arranged under the snap rings 37 and under the snap rings 37, so as to limit the winding width of the cable 2.
The length of the elastic member 35 when not subjected to an external force is smaller than the length of the inner cavity 33, so that it can be ensured that the elastic member 35 can provide a resilience force when the cable 2 is stretched by the external force, thereby winding the coil.
The elastic buffer portion 32 is made of elastic plastic, and a notch 321 is formed at the periphery of the elastic buffer portion 32.
A preparation method of a prefabricated end butterfly-shaped lead-in optical cable comprises the following steps of enabling a cable 2 to penetrate through a limiting end 31 to enter an inner cavity 33, winding the cable 2 on a clamping ring 37, embedding the cable 2 into a connector 1, fixedly connecting the cable 2 to the lower end of a limiting block 36, and packaging.
According to the invention, the cable 2 is wound on the clamping ring 37 to form a plurality of single-strand coils which are arranged side by side, the diameter of the coils can be larger under the action of the elastic piece 35 through the limiting action of the limiting block 36, the cable 2 can be stretched when the cable 2 is subjected to the action of external force, the diameter of the coils can be gradually reduced, so that the cable 2 can be unreeled, the pullable length of the cable 2 can be extended, meanwhile, the limiting block 36 is also transversely pulled, and the elastic piece 35 is stretched when the elastic piece is subjected to the external force; when the external force disappears, the limiting block 36 moves to the initial position under the action of the resilience force of the elastic piece 35, and simultaneously extrudes the coil to roll the coil, so that the coil returns to the original state. Meanwhile, a notch 321 is arranged on the outer side of the elastic buffer part 32, and a buffer air hole 322 is arranged in the elastic buffer part, so that the extrusion resistance and the deformation resistance of the joint are enhanced. The optical cable can bear certain tensile force when being laid, has strong extrusion resistance and bending deformation resistance at the joint 1 and the cable 2, can be used for a long time without breaking the cable 2 at the joint 1, and is durable.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modification, equivalent replacement, improvement, etc. of the above embodiments according to the technical substance of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a prefabricated end butterfly-shaped introducing optical cable, includes connects, cable, and its characterized in that still includes with the protection device of joint rigid coupling, protection device includes spacing end, one end with the joint rigid coupling other end with the elastic buffer portion of a cavity that is equipped with of spacing end rigid coupling, be equipped with a horizontal pole in the cavity, overlap locate the horizontal pole has the elastic component of stiff end, movable end, with movable end rigid coupling locate the horizontal pole can follow the stopper of horizontal pole reciprocating motion, the cable passes the stopper and with the stopper rigid coupling, still include the snap ring that is used for making the parallel arrangement that the cable can coil to make can drive the stopper slides thereby tensile elastic component when the cable is rolled up;
the cable winding device also comprises a limit column arranged right below the clamping ring and used for limiting the cable winding amplitude;
the length of the elastic piece when not subjected to external force is smaller than the length of the inner cavity;
the limiting end is provided with a through hole for enabling the cable to pass through and be communicated with the inner cavity, and the diameter of the through hole is smaller than that of the inner cavity.
2. A preformed end butterfly drop cable according to claim 1, wherein the clasps are at least 3.
3. The preformed end butterfly drop cable of claim 1, wherein the elastomeric buffer is one or both of rubber and elastomeric plastic.
4. A preformed end butterfly drop cable according to claim 3, wherein the resilient buffer is provided with notches at the periphery thereof.
5. The preformed end butterfly drop cable of claim 4, wherein the elastomeric buffer is provided with a plurality of buffer vents.
6. A preformed end butterfly drop cable as claimed in claim 1, wherein the stop end is provided with a stop plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282868.8A CN110133810B (en) | 2019-04-10 | 2019-04-10 | Prefabricated end butterfly-shaped lead-in optical cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282868.8A CN110133810B (en) | 2019-04-10 | 2019-04-10 | Prefabricated end butterfly-shaped lead-in optical cable and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110133810A CN110133810A (en) | 2019-08-16 |
| CN110133810B true CN110133810B (en) | 2024-04-12 |
Family
ID=67569488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910282868.8A Active CN110133810B (en) | 2019-04-10 | 2019-04-10 | Prefabricated end butterfly-shaped lead-in optical cable and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110133810B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401958A (en) * | 2011-12-07 | 2012-04-04 | 昆山市大唐通讯设备有限公司 | Light and fiber splitting box of optical divider slot |
| CN202735547U (en) * | 2012-08-24 | 2013-02-13 | 宏安集团有限公司 | SC type optical fiber connector wiring protection device |
| CN103162880A (en) * | 2011-12-19 | 2013-06-19 | 西安金和光学科技有限公司 | Prestressed anchor cable stress monitoring device |
| CN103454741A (en) * | 2013-09-13 | 2013-12-18 | 上海亨通宏普通信技术有限公司 | Pipe-penetrating type prefabricating end circle optical cable leading-in device and manufacturing method thereof |
| CN103777278A (en) * | 2014-01-22 | 2014-05-07 | 中天宽带技术有限公司 | Double-core butterfly type optical cable butt fusion branch protector |
| CN210401766U (en) * | 2019-04-10 | 2020-04-24 | 浙江中特互联科技有限公司 | Prefabricated end butterfly-shaped leading-in optical cable |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9557503B2 (en) * | 2014-08-08 | 2017-01-31 | Corning Optical Communications LLC | Optical fiber cable |
| US9664864B2 (en) * | 2015-10-09 | 2017-05-30 | Commscope Technologies Llc | Method for terminating high fiber count cables |
-
2019
- 2019-04-10 CN CN201910282868.8A patent/CN110133810B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401958A (en) * | 2011-12-07 | 2012-04-04 | 昆山市大唐通讯设备有限公司 | Light and fiber splitting box of optical divider slot |
| CN103162880A (en) * | 2011-12-19 | 2013-06-19 | 西安金和光学科技有限公司 | Prestressed anchor cable stress monitoring device |
| CN202735547U (en) * | 2012-08-24 | 2013-02-13 | 宏安集团有限公司 | SC type optical fiber connector wiring protection device |
| CN103454741A (en) * | 2013-09-13 | 2013-12-18 | 上海亨通宏普通信技术有限公司 | Pipe-penetrating type prefabricating end circle optical cable leading-in device and manufacturing method thereof |
| CN103777278A (en) * | 2014-01-22 | 2014-05-07 | 中天宽带技术有限公司 | Double-core butterfly type optical cable butt fusion branch protector |
| CN210401766U (en) * | 2019-04-10 | 2020-04-24 | 浙江中特互联科技有限公司 | Prefabricated end butterfly-shaped leading-in optical cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110133810A (en) | 2019-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2006026542A3 (en) | Fiber bundles and methods of making fiber bundles | |
| EP1325894A3 (en) | Multimode optical fibers with increased bandwith | |
| AU2001270022A1 (en) | Method for making separable multiple core optical fibers, the resulting fiber structures, and uses thereof | |
| WO2005059599A3 (en) | Optical fiber coupler with low loss and high coupling coefficient and method of fabrication thereof | |
| CN110133810B (en) | Prefabricated end butterfly-shaped lead-in optical cable and preparation method thereof | |
| CN210401766U (en) | Prefabricated end butterfly-shaped leading-in optical cable | |
| US8915655B2 (en) | Optical fiber connector | |
| US8622630B2 (en) | Optical fiber connector | |
| CN209928081U (en) | Novel cable of easy discernment of many cores of high strength | |
| CN203396994U (en) | Rubber-insulated fiber cable | |
| CN201222111Y (en) | Self-bearing covered wire optical cable easy to bifurcate | |
| WO2003050336A8 (en) | Method and device for producing a combination yarn | |
| CN212486040U (en) | Socket type pipe | |
| CN219496765U (en) | Optical cable with good stretch resistance | |
| CN220438610U (en) | Novel combined PE silicon core pipe | |
| CN201226038Y (en) | High-performance mobile jumper wire optical cable for access network | |
| CN201845111U (en) | Optical cable terminal box | |
| CN220961926U (en) | Optical fiber adapter with self-adaptive plugging function | |
| CN204044402U (en) | Rubber-covered wire cable fixing device | |
| CN204256224U (en) | Fiber-optical socket | |
| CN213296769U (en) | Partition wall keel for constructional engineering | |
| CN210163827U (en) | Novel transportation protection device | |
| CN202330778U (en) | Rubber-insulated fiber cable fiber connector | |
| CN219710602U (en) | Polyethylene coiled material waterproof system | |
| CN216930019U (en) | Optical fiber fixing mechanism for optical time domain reflectometer |
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 |