CN108761658B - Movable connector for communication optical cable - Google Patents
Movable connector for communication optical cable Download PDFInfo
- Publication number
- CN108761658B CN108761658B CN201810558883.6A CN201810558883A CN108761658B CN 108761658 B CN108761658 B CN 108761658B CN 201810558883 A CN201810558883 A CN 201810558883A CN 108761658 B CN108761658 B CN 108761658B
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- CN
- China
- Prior art keywords
- piece
- groove
- tail sleeve
- optical cable
- spring
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- 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.)
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Classifications
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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
- G02B6/24—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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
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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
- G02B6/24—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
Abstract
The invention discloses a movable connector of a communication optical cable, which comprises a fixed tail sleeve, a middle piece, an end piece, a spring and a cap, wherein the specified tail sleeve is connected with the middle piece through a thread structure; the fixed tail sleeve comprises a cylindrical part and two bent elastic pieces, one end of the cylindrical part is connected with the two bent elastic pieces, a strip-shaped gap is reserved between the two bent elastic pieces, a rubber ring is installed on the inner ring of each bent elastic piece, and a retaining ring is installed on the outer ring of each bent elastic piece. According to the movable connector for the communication optical cable, the optical fiber is fixed without irregularly extruding the surface of the optical fiber, all the parts are connected through the threaded structure, the fixed installation and the disassembly and the maintenance are convenient, the fixing is safe and reliable, and the connecting end of the optical fiber can be kept clean.
Description
Technical Field
The invention belongs to the technical field of optical communication equipment, and particularly relates to a movable connector of a communication optical cable.
Background
With the continuous increase of the information transmission quantity and broadband service demand and the demand of fiber-to-the-home construction, the laying area of the optical fiber communication line is more and more extensive, which directly results in large usage amount and wide application range of equipment for optical fiber connection and positioning.
The optical cable movable connector in the prior art can play a role in optical cable connection, but the optical cable movable connector is large in size and irregular in shape, occupies space easily in an optical cable distribution cabinet with limited space, causes difficulty in laying an optical cable in the distribution cabinet, even causes the problem that the optical cable in the distribution cabinet is extruded after the cabinet door is closed, and causes difficulty in closing the cabinet door.
Disclosure of Invention
The invention aims to provide a movable connector for a communication optical cable.
The purpose of the invention can be realized by the following technical scheme:
a movable connector of a communication optical cable comprises a fixed tail sleeve, a middle piece, an end piece, a spring and a cap, wherein the specified tail sleeve is connected with the middle piece through a thread structure;
the fixed tail sleeve comprises a cylindrical part and two bent elastic pieces, one end of the cylindrical part is connected with the two bent elastic pieces, a strip-shaped gap is reserved between the two bent elastic pieces, a rubber ring is arranged on the inner ring of each bent elastic piece, a retaining ring is arranged on the outer ring of each bent elastic piece, a water-blocking tape is wound outside each bent elastic piece in a bundling manner, and the water-blocking tape seals the strip-shaped gap;
one end of the middle piece is provided with a first connecting ring, the other end of the middle piece is provided with a first spring groove, the middle piece is provided with a plurality of first buckles, and the middle groove and the filling groove which are communicated with each other are arranged inside the middle piece;
the end part is internally provided with a fixed groove, one end of the end part is provided with a second spring groove corresponding to the first spring groove, the end part is provided with a second buckle corresponding to the first buckle, the spring is arranged between the end part and the middle part through the first spring groove and the second spring groove, the other end of the end part is provided with a second connecting ring, and the end part is screwed with the cap through the second connecting ring.
A lengthened protective groove is formed in the cap.
As a further scheme of the invention, the bending elastic sheet is made of spring steel.
In a further aspect of the present invention, the cross-sectional diameter of the filling groove is larger than that of the intermediate groove, and the cross-sectional diameter of the intermediate groove is the same as the diameter of the optical cable to be fixed.
As a further scheme of the invention, a plurality of first buckles are distributed on the middle piece in an annular array.
As a further scheme of the invention, the first buckle and the second buckle are both made of spring steel.
As a further aspect of the present invention, the assembling method of the movable connector includes the steps of:
a. sequentially sleeving a fixing tail sleeve, a middle piece, a spring and an end piece on the optical cable, stripping an outer sheath at one end of the optical cable and an exposed optical fiber sheath to expose the bare optical fiber, extending one end of the bare optical fiber out of the end piece, and fixing the part of the bare optical cable in the fixing groove by using epoxy resin glue;
b. coating a layer of grease on the inner surface of the filling groove and the inner surface (excluding a rubber ring) of the fixed tail sleeve, pushing the intermediate piece to the end piece to clamp the end piece and the fixed tail sleeve, and screwing the fixed tail sleeve on the intermediate piece;
c. injecting epoxy resin glue into the filling groove through the strip-shaped gap on the fixed tail sleeve, so that the epoxy resin glue fills the space in the filling groove and the fixed tail sleeve, wrapping the optical cable together, and wrapping the surface of the fixed tail sleeve by using a water-blocking tape which completely shields the strip-shaped gap;
d. one end of the movable connector is sealed through the cap, and the extended bare optical fiber enters the protective groove, so that the cleanliness of the bare optical fiber is guaranteed.
The movable connector for the communication optical cable has the advantages that the optical fiber is fixed without irregular extrusion on the surface of the optical fiber, all parts are connected through the threaded structure, the fixed installation and the disassembly and maintenance are convenient, the fixing is safe and reliable, and the connecting end of the optical fiber can be kept clean.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic disassembled view of the present invention;
fig. 3 is a schematic structural view of the fixing tail sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A movable connector of a communication optical cable is disclosed, as shown in fig. 1 and fig. 2, and comprises a fixed tail sleeve 1, a middle piece 2, an end piece 3, a spring 4 and a cap 5, wherein the fixed tail sleeve 1 is connected with the middle piece 2 through a thread structure, the middle piece 2 is connected with the end piece 3, the spring is arranged between the middle piece 2 and the end piece 3, and the cap 5 is connected with the end piece 3 through a thread structure.
As shown in fig. 2 and 3, the fixed tail sleeve 1 includes a cylindrical portion 11 and bent elastic pieces 14, a thread groove is formed in an inner ring of the cylindrical portion 11, two bent elastic pieces 14 are connected to one end of the cylindrical portion 11, a strip-shaped gap 15 is left between the two bent elastic pieces 14, the bent elastic pieces 14 are made of spring steel, a rubber ring 13 is installed on an inner ring of the bent elastic pieces 14, and a retaining ring 14 is installed on an outer ring of the bent elastic pieces 14, so that when the fixed tail sleeve is installed, a water blocking tape can be wound outside the bent elastic pieces 14, the bent elastic pieces 14 tightly clamp an optical cable, the water blocking tape can seal the strip-shaped gap 15, and the retaining ring 14 can effectively prevent the water blocking tape from sliding out of the fixed tail sleeve 1.
One end of the middle piece 2 is a first connecting ring 25, the outer surface of the first connecting ring 25 is a threaded groove, the middle piece 2 is connected with the fixed tail sleeve 1 through the first connecting ring 25, the other end of the middle piece 2 is provided with a first spring groove 21, the middle piece 2 is further provided with a plurality of first buckles 22, the first buckles 22 are distributed on the middle piece 2 in an annular array manner, the middle piece 2 is internally provided with a middle groove 23 and a filling groove 24 which are communicated with each other, the cross-sectional diameter of the filling groove 24 is larger than that of the middle groove 23, and the cross-sectional diameter of the middle groove 23 is the same as that of an optical cable needing to be fixed.
A fixing groove 33 is formed in the end part 3, a second spring groove 21 is formed in one end of the end part 3 corresponding to the first spring groove 21, a second buckle 31 is installed on the end part 3 corresponding to the first buckle 22, when the end part 3 and the middle part 2 are pushed together, the end part 3 and the middle part 2 are clamped together through the first buckle 22 and the second buckle 31, the first buckle 22 and the second buckle 31 are made of spring steel, the connection state of the end part 3 and the middle part 2 can be changed by bending the first buckle 22 and the second buckle 31, the spring 4 is arranged between the end part 3 and the middle part 2 through the first spring groove 21 and the second spring groove 21, when the end part 3 and the middle part 2 are clamped, the spring 4 is in a compression state, the first buckle 22 and the second buckle 31 are in a tight buckling effect through the force generated by the resetting trend of the spring 4, the second connecting ring 34 is arranged at the other end of the end part 3, the outer surface of the second connecting ring 34 is a screw-groove structure, and the end piece 3 is screwed with the cap 5 through the second connecting ring 34.
A lengthened protective groove 51 is arranged in the cover cap 5.
The assembly method of the invention comprises the following steps:
sleeving a fixed tail sleeve 1, a middle piece 2, a spring 4 and an end piece 3 on an optical cable in sequence, stripping an outer sheath at one end of the optical cable and an exposed optical fiber sheath to expose bare optical fibers, extending one end of the bare optical fibers out of the end piece 3, fixing the part of the bare optical cable in a fixed groove 33 by using epoxy resin glue, enabling the bare optical fibers to only exist in the fixed groove 33 and one end close to a cap 5, enabling the optical fibers of other parts to be in a state of not popping out of a sheath layer, smearing a layer of grease on the inner surface of a filling groove 24 and the inner surface of the fixed tail sleeve 1 (excluding a rubber ring 13), pushing the middle piece 2 to the end piece 3 to enable the two to be clamped, screwing the fixed tail sleeve 1 on the middle piece 2, injecting the epoxy resin glue into the filling groove 24 through a strip-shaped gap 15 on the fixed tail sleeve 1 to enable the epoxy resin glue to fill the space in the filling groove 24 and the fixed tail sleeve 1, the optical cable is wrapped together, the water blocking tape is wound on the surface of the fixed tail sleeve 1 in a bundling mode, the water blocking tape completely shields the strip-shaped gap 15, the rubber ring 13 is tightly pressed on the surface of the optical cable through the winding of the water blocking tape, one end of the movable connector is sealed through the cap 5, and the extended bare optical fiber enters the protective groove 51 to ensure the cleanness of the bare optical fiber.
Because the internal surface of filling groove 24 and the internal surface of fixed tail cover 1 are smeared with the one deck grease, consequently epoxy glue can not stick together with fixed tail cover 1 and middleware 2, makes fixed tail cover 1 and middleware 2 conveniently separate, and epoxy glue after the design simultaneously plays good buffering guard action to the optical cable on the one hand, and on the other hand makes the optical cable be difficult for breaking away from the swing joint ware.
According to the movable connector for the communication optical cable, the optical fiber is fixed without irregularly extruding the surface of the optical fiber, all the parts are connected through the threaded structure, the fixed installation and the disassembly and the maintenance are convenient, the fixing is safe and reliable, and the connecting end of the optical fiber can be kept clean.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (3)
1. A movable connector of a communication optical cable is characterized by comprising a fixed tail sleeve (1), a middle piece (2), an end piece (3), a spring (4) and a cover cap (5), wherein the fixed tail sleeve (1) is connected with the middle piece (2) through a thread structure, the middle piece (2) is connected with the end piece (3), the spring (4) is arranged between the middle piece (2) and the end piece (3), and the cover cap (5) is connected with the end piece (3) through a thread structure;
the fixed tail sleeve (1) comprises a cylindrical part (11) and bending elastic pieces (14), one end of the cylindrical part (11) is connected with the two bending elastic pieces (14), a strip-shaped gap (15) is reserved between the two bending elastic pieces (14), a rubber ring (13) is installed on the inner ring of each bending elastic piece (14), a retaining ring (12) is installed on the outer ring of each bending elastic piece (14), a water blocking tape is wound outside each bending elastic piece (14), the water blocking tape seals the strip-shaped gap (15), so that the bending elastic pieces (14) tightly clamp the optical cable, and the retaining ring (12) can effectively prevent the water blocking tape from sliding out of the fixed tail sleeve (1);
one end of the middle piece (2) is provided with a first connecting ring (25), the other end of the middle piece (2) is provided with a first spring groove (21), the middle piece (2) is provided with a plurality of first buckles (22), the middle piece (2) is internally provided with a middle groove (23) and a filling groove (24) which are communicated with each other, the section diameter of the filling groove (24) is larger than that of the middle groove (23), and the section diameter of the middle groove (23) is the same as that of an optical cable needing to be fixed; injecting epoxy resin glue into the filling groove (24) through the strip-shaped gap (15) on the fixing tail sleeve (1), so that the epoxy resin glue fills the space between the filling groove (24) and the fixing tail sleeve (1), and the optical cable is wrapped together without irregularly extruding the surface of the optical fiber to fix the optical fiber;
a fixing groove (33) is formed in the end part (3), a second spring groove (32) is formed in one end of the end part (3) corresponding to the first spring groove (21), second buckles (31) are installed on the end part (3) corresponding to the first buckles (22), the first buckles (22) are distributed on the middle part (2) in an annular array mode, the springs (4) are arranged between the end part (3) and the middle part (2) through the first spring groove (21) and the second spring groove (32), a second connecting ring (34) is arranged at the other end of the end part (3), and the end part (3) is screwed with the cover cap (5) through the second connecting ring (34); a lengthened protective groove (51) is arranged in the cover cap (5);
the assembling method of the movable connector comprises the following steps:
a. sequentially sleeving a fixing tail sleeve (1), a middle piece (2), a spring (4) and an end piece (3) on the optical cable, stripping an outer sheath at one end of the optical cable and an exposed optical fiber sheath to expose the bare optical fiber, extending one end of the bare optical fiber out of the end piece (3), and fixing the part of the bare optical cable in a fixing groove (33) by using epoxy resin glue;
b. coating a layer of grease on the inner surface of the filling groove (24) and the inner surface (excluding the rubber ring (13)) of the fixed tail sleeve (1), pushing the middle piece (2) to the end piece (3) to clamp the end piece and the end piece, and screwing the fixed tail sleeve (1) on the middle piece (2);
c. injecting epoxy resin glue into the filling groove (24) through the strip-shaped gap (15) on the fixed tail sleeve (1) to enable the epoxy resin glue to fill the space in the filling groove (24) and the fixed tail sleeve (1) and wrap the optical cable together; a water-blocking tape is used for wrapping the surface of the fixed tail sleeve (1), and the water-blocking tape completely shields the strip-shaped gap (15);
d. one end of the movable connector is closed through the cap (5), and the extended bare optical fiber enters the protective groove (51), so that the cleanliness of the bare optical fiber is guaranteed.
2. A telecommunications cable patch cord according to claim 1, wherein the bent resilient tab (14) is made of spring steel.
3. A telecommunications cable patch cord according to claim 1, wherein the first (22) and second (31) latches are made of spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810558883.6A CN108761658B (en) | 2018-06-01 | 2018-06-01 | Movable connector for communication optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810558883.6A CN108761658B (en) | 2018-06-01 | 2018-06-01 | Movable connector for communication optical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108761658A CN108761658A (en) | 2018-11-06 |
| CN108761658B true CN108761658B (en) | 2022-05-17 |
Family
ID=64002295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810558883.6A Active CN108761658B (en) | 2018-06-01 | 2018-06-01 | Movable connector for communication optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108761658B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458897A (en) * | 1974-07-09 | 1976-12-15 | Cannon Electric Great Britain | Connectors |
| EP0131283A3 (en) * | 1983-07-07 | 1985-09-11 | Augat Inc. | Method and apparatus for anchoring optical cables to optical connectors |
| KR100952825B1 (en) * | 2005-12-30 | 2010-04-15 | 주식회사 케이티 | Optical cable and tension member supporting apparatus of optical cable |
| JP5172510B2 (en) * | 2007-07-10 | 2013-03-27 | 株式会社フジクラ | Optical connector and optical connector assembling method |
| CN203311039U (en) * | 2013-06-06 | 2013-11-27 | 上海永鼎光电子技术有限公司 | LC-type short-tail short-heat-shrink-tube optical fiber moving connector |
| WO2016149912A1 (en) * | 2015-03-24 | 2016-09-29 | 深圳日海通讯技术股份有限公司 | Optical interconnection device for connecting twin-core cable and assembly process thereof |
| CN205910374U (en) * | 2016-07-01 | 2017-01-25 | 杭州金隆通信器材有限公司 | Optical fiber connector |
-
2018
- 2018-06-01 CN CN201810558883.6A patent/CN108761658B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108761658A (en) | 2018-11-06 |
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Effective date of registration: 20200914 Address after: Room 1-2302, Fengshang International Apartment, 727 Changjiang West Road, Hefei High-tech Zone, Anhui Province Applicant after: ANHUI WEISHIYANG INFORMATION TECHNOLOGY Co.,Ltd. Address before: 230000 No. 201, Langxi Road, Yaohai District, Anhui, Hefei Applicant before: ANHUI TELECOM DEVICE TRADE INDUSTRY Co.,Ltd. |
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Effective date of registration: 20220426 Address after: 523000 275 Jin Xing Road, Xixi Town, Liaobu Town, Dongguan, Guangdong Applicant after: DONGGUAN JINGLAI ELECTRONIC CO.,LTD. Address before: 230000 Residence Internazionale, room 1-2302, peak 727, Changjiang West Road, Hefei high tech Zone, Anhui Applicant before: ANHUI WEISHIYANG INFORMATION TECHNOLOGY CO.,LTD. |
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