CN104991321A - Optical cable connecting assembly - Google Patents
Optical cable connecting assembly Download PDFInfo
- Publication number
- CN104991321A CN104991321A CN201510352200.8A CN201510352200A CN104991321A CN 104991321 A CN104991321 A CN 104991321A CN 201510352200 A CN201510352200 A CN 201510352200A CN 104991321 A CN104991321 A CN 104991321A
- Authority
- CN
- China
- Prior art keywords
- fixed muffle
- plug
- sleeve
- stop structure
- fixed sleeve
- 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.)
- Granted
Links
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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- 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
-
- 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
- G02B6/4471—Terminating devices ; Cable clamps
Abstract
The invention provides an optical cable connecting assembly, and includes a fixed sleeve extending leftwards and rightwards and a bonding sleeve arranged on the right end of the fixed sleeve. The bonding sleeve includes a sealing section located inside the fixed sleeve and matched with an inner hole wall face of the fixed sleeve in a sealing manner and an extending section stretching out from the right end of the fixed sleeve, a sleeve stopping structure which stops the fixed sleeve in a rightward direction is arranged on the extending section, the sleeve stopping structure is in contact with a right end face of the fixed sleeve, or the sleeve stopping structure and the right end face of the fixed sleeve are arranged at an interval and the sealing section is in sliding fit with the inner hole wall face of the fixed sleeve. When the optical cable connecting assembly is used, the bonding sleeve and the fixed sleeve can be guaranteed to be always completely sealed, the optical cable connecting assembly can be used in an outdoor environment or an outdoor overhead environment, at the same time, in a mounting or dismounting process of the optical cable connecting assembly, opposite insertion and disengagement of a plug and a socket can be realized only by rotation of a connecting nut, dismounting is convenient, and dismounting efficiency is improved.
Description
Technical field
the present invention relates to optical field, particularly relate to a kind of multifibre joint.
Background technology
Along with network application is more and more general, the coverage rate at networking is also more and more wider.In optical communication system, multifibre joint connects as optical cable, the device of switching plays a very important role.Authorization Notice No. is CN201408279Y, authorized announcement date is that the Chinese utility model patent of 2010.02.17 discloses optical connector, comprise shell body and optical fiber fixed support and fixed muffle that left and right extends, be provided with the optical cable stretched into for optical cable in shell body and passage is installed, the fixed muffle optical cable be located in shell body is installed in passage, optical fiber is fixed in fixed muffle by bonding cover, optical fiber left end is plug, right-hand member connects outdoor optical cable, the left end of shell body is threaded with Socket casing, right-hand member and the outdoor optical cable of shell body are tightly connected, by shell body and fixed muffle, the plug-in position sealed envelope of optical fiber is realized the waterproof that optical cable connects like this, dust seal.
This multifibre joint is due to the direction of shell body to the right can be separated with fixed muffle with fixed muffle relative sliding, when grafting, need first hand-held fixed muffle carry out plug and socket to inserting, then shell body is being connected on Socket casing, when dismantling, need first shell body to be separated with Socket casing, then extracting fixed muffle backward makes plug be separated with socket, such disassembly process all needs to carry out independent dismounting to the fixed muffle of shell body and its inside respectively, operate and extremely bother, simultaneously, when dismantling, plug is separated with socket under the effect of cohesive force between bonding cover and fixed muffle, bonding position between bonding cover and fixed muffle just bears very large pulling force, after using a period of time, this position is easy to stressed tearing and causes bonding cover to be separated with fixed muffle, so just can not ensure the waterproof of optical cable right-hand member, dust seal, multifibre joint does not just have due effect.
Summary of the invention
The object of the present invention is to provide a kind of multifibre joint, for solve multifibre joint of the prior art seal assembly in use bonding cover be easily separated with optical fiber fixed support and cause the problem of seal failure.
In order to solve the problems of the technologies described above, multifibre joint of the present invention adopts following technical scheme: a kind of multifibre joint, comprise the fixed muffle that left and right extends and the bonding cover being located at fixed muffle right-hand member, the plug for coordinating with socket plug-in mounting is had by Fiber connection in described fixed muffle, described bonding cover comprises the seal section that the endoporus wall that is positioned at fixed muffle and fixed muffle is sealed and matched and the extension of stretching out from fixed muffle right-hand member, described extension is provided with the sleeve Stop structure to the direction of fixed muffle to the right being carried out block, described sleeve Stop structure contacts with the right side of fixed muffle, or the interval, right side of sleeve Stop structure and fixed muffle is arranged and the endoporus wall of seal section and fixed muffle is slidably matched.
The interval, right side of described sleeve Stop structure and fixed muffle is arranged, and the endoporus wall of seal section and fixed muffle is slidably matched, and seal section is provided with the O-ring seal realizing slipper seal with fixed muffle.
The periphery of described fixed muffle relatively rotates the coupling nut be equipped with for being threaded with the Socket casing on socket along axis, fixed muffle carries out the spacing nut Stop structure of block to coupling nut on the right side of coupling nut is provided with to the right direction.
The left end of described fixed muffle is provided with the gear shaping for coordinating to prevent fixed muffle from rotating relative to Socket casing with the slot plug-in mounting on Socket casing.
Plug coordinates with fixed muffle guiding movement in the axial direction, coordinates in the circumferential with fixed muffle spline, is provided with the spring for providing plug plug-in mounting acting force left between plug and bonding cover.
Plug is assemblied in fixed muffle by holder guiding movement, and described holder is provided with for plug shaft to insertion and for making plug that the radial floating mounting hole floated occur in radial direction.
The bonding cover extension of multifibre joint of the present invention is provided with the sleeve Stop structure spacing to fixed muffle block on direction to the right, wherein, sleeve Stop structure has two kinds of versions, a kind of is that sleeve Stop structure directly contacts with the right side of fixed muffle, bonding cover seal section is relative with fixed muffle to be fixed and is sealed and matched, a kind of is that the interval, right side of sleeve Stop structure and fixed muffle is arranged, between bonding cover and fixed muffle, there is certain relative movement distance, the seal section of bonding cover and fixed muffle slipper seal coordinate, fixed muffle is extracted like this when dismantling to the right, bonding cover can fixed muffle to the thrusting action of sleeve Stop structure under move right, and the relation that is tightly connected can not broken between the bonding cover of meeting and fixed muffle, ensure good seal.
Further, between sleeve Stop structure and the right side of fixed muffle, there is certain distance, which decrease the manufacturing accuracy of bonding cover and fixed muffle, reduce production cost, seal section realizes slipper seal cooperation by O-ring seal simultaneously, also ensure that good water proof and dust proof effect.
Further, fixed muffle is provided with nut Stop structure, the nut that only need be rotatably connected when dismantling makes the Socket casing of its disengaging socket that moves right, coupling nut pushing tow nut Stop structure drives fixed muffle to move right, the plug in fixed muffle and socket can be made to depart from, convenient disassembly, simultaneously, coupling nut also can not depart from from fixed muffle, is not easy to lose.
Further, the gear shaping of fixed muffle left end can ensure to insert Socket casing at fixed muffle, and when the nut that is rotatably connected connects, fixed muffle together can not rotate with attaching nut.
Further, the radial floating mounting hole on holder can make plug occur to float in radial direction, can adapt to larger error, improve applicability when grafting.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment one of multifibre joint of the present invention;
Fig. 2 is that multifibre joint in Fig. 1 is at using state cut-open view in the axial direction;
Fig. 3 is the structural representation of SC plug in Fig. 2.
In figure: 1, socket; 2, plug; 3, Socket casing; 4, fixed muffle; 5, attaching nut; 6, optical fiber; 7, spring; 8, outdoor optical cable; 9, C type ring; 10, O type circle; 11, holder; 12, cushion rubber; 13, back-up ring; 14, bonding cover; 110, radial floating mounting hole; 140, injecting glue cavity; 40, gear shaping.
Embodiment
Below in conjunction with accompanying drawing, multifibre joint of the present invention is described in detail:
The embodiment one of multifibre joint of the present invention: as Figure 1-3, comprise fixed muffle 4, fixed muffle extends at left and right directions, the left end opening of fixed muffle, right-hand member turns edge in being provided with, the right-hand member place of fixed muffle is fitted with bonding cover 14, the bonding left and right directions that is enclosed within extends and comprises two parts, a part is for being positioned at the seal section that fixed muffle is sealed and matched with the endoporus wall of fixed muffle, a part is for being extended to the right by the right-hand member of seal section and the extension passed from the varus of the right-hand member of fixed muffle centrally hole, extension is used for plug-in mounting outdoor optical cable 8, injecting glue cavity 140 is provided with in the seal section of bonding cover, the extension of bonding cover is provided with sleeve Stop structure on the right side of fixed muffle, between sleeve Stop structure and the right side of fixed muffle, there is certain intervals, in the present embodiment, sleeve Stop structure is the C type ring 9 be located on extension, extension is provided with the annular groove for installing C type ring.Seal section is provided with annular groove, O type circle 10 is installed in annular groove, because between C type ring and fixed muffle right side, tool is at regular intervals, occur to time mobile at fixed muffle and bonding cover, O type circle can realize the slipper seal of bonding cover and fixed muffle, ensures bonding cover and the good water proof and dust proof effect of fixed muffle link position.
The periphery of fixed muffle is arranged with coupling nut 5, coupling nut be located at fixed muffle left end and for being threaded with the Socket casing 3 on socket 1, coupling nut can relatively and fixed muffle rotate along the axis of fixed muffle, the outer peripheral face of fixed muffle is provided with convex edge at left position, the inner hole surface of coupling nut is provided with the stopping surface coordinated with this convex edge block, this convex edge departs from from fixed muffle for block coupling nut, right side also at coupling nut on the outer peripheral face of fixed muffle is provided with carries out the spacing nut Stop structure of block to coupling nut on the direction to the right, nut Stop structure is used for preventing coupling nut to be separated from right side with fixed muffle, coupling nut in transport or use procedure is prevented to be separated with fixed muffle and to lose, in the present embodiment, nut Stop structure is back-up ring 13, distance between back-up ring and convex edge is greater than the distance of stopping surface to coupling nut right side of coupling nut, certain moving axially can be there is in such coupling nut on fixed muffle.
The plug 2 with socket adaptation is provided with in the endoporus of fixed muffle, plug is docked with outdoor optical cable by optical fiber 6 and realizes the connection with outdoor optical cable in the injecting glue cavity of bonding cover, plug is slidedly assemblied in fixed muffle by holder 11 guiding, holder is provided with the radial floating mounting hole 110 that left and right extends, plug is installed in radial floating mounting hole, the aperture of radial floating mounting hole is greater than the external diameter of plug with floating and skew of enabling plug be moved in radial direction, lower and when there is certain radial error in the manufacturing accuracy of socket, plug can radial floating to adapt to this part error, realize accurate grafting, improve the applicability of multifibre joint, the endoporus wall of fixed muffle is provided with axially extended guide chute, holder is provided with the slide block be slidably matched with guide chute, fixed muffle and holder circumference spline is achieved with coordinating of slide block by guide chute, avoid and rotate because there is circumference between holder and fixed muffle and sprain optical fiber, cause light signal can not normal transmission, spring 7 is provided with between plug and bonding cover, the two ends of spring are pushed up respectively and are pressed in plug and bondingly put, optical fiber is positioned at the bosom position of spring, spring is supplied to the elastic force of holder left direction, to make gripping sleeve on socket to time slotting, plug has enough anchorage forces to insert it in socket, spring also can play the buffer action of movement simultaneously, avoid the impact in grafting process, protection plug, on the other hand, the elasticity of spring determines it and can stretch in the axial direction, so just ensure that socket has larger axial tolerance in the axial direction, when the manufacturing accuracy of socket is lower, can achieve a butt joint equally, the right side of holder is provided with the boss extended to the right, this part boss stretches into that to carry out radial direction to spring in the central cavity of spring spacing, prevent spring stress and deflection occurs, affect grafting, the right side of holder is also provided with the annular positioning groove stretched into for spring left end, in the present embodiment, plug is the SC plug being connected to optical fiber end, and this SC plug eliminates the snap lock structure of self, plug is the SC optical module with SC plug adaptation, because SC plug is direct plugging-in attachment plug, compare and be applicable to this multifibre joint.
The left end outer peripheral face of fixed muffle is provided with interior concave ring groove, in this interior concave ring groove, cushion rubber 12 is housed, when fixed muffle is connected with the Socket casing of socket by coupling nut, the top, left side of Socket casing is pressed on cushion rubber, thus achieve the waterproof sealing of fixed muffle left side and Socket casing, the left end of fixed muffle is also provided with the gear shaping 40 extended left in the left side of cushion rubber, gear shaping has multiple and uniform in circumference, gear shaping is arc and for coordinating with the slot grafting on Socket casing, avoid at fixed muffle to plug-in mounting on Socket casing, when the nut that is rotatably connected connects, fixed muffle and coupling nut rotate.
The multifibre joint of the present embodiment in use, the front end of gear shaping is aimed at and is inserted in Socket casing slot by hand-held fixed muffle, rotate forward coupling nut, now fixed muffle moves to coupling nut and moves left, plug radial floating alignment socket and under the elastic force effect of spring realize with socket to insert, continue to rotate forward coupling nut until tighten, namely realize optical cable docking; When dismantling, reversion coupling nut, coupling nut moves to right relative to Socket casing, the right-hand member of coupling nut contacts with nut Stop structure and promotes fixed muffle and moves right, fixed muffle its right side that moves to right contacts with sleeve Stop structure, and promotes bonding cover and move right, and bonding cover pulls plug to make it deviate from from socket by optical fiber, continue reversion coupling nut until be separated with Socket casing completely, namely realize the dismounting of connector.
The embodiment two of multifibre joint of the present invention: be with the difference of embodiment one, when being in place, sleeve Stop structure on extension just contacts with the right side of fixed muffle, distance between the stopping surface of i.e. seal section right side and sleeve Stop structure just equals the thickness turned edge in the right-hand member of fixed muffle, now, seal section can realize sealing by O-ring seal and fixed muffle, also can directly and fixed muffle adhering and sealing.
The embodiment three of multifibre joint of the present invention: be with the difference of embodiment one, coupling nut can be connected with Socket casing by elastic hook.
The embodiment four of multifibre joint of the present invention: be with the difference of embodiment one, sleeve Stop structure is be located at the bonding spacer pin put, and carries out block by latch to fixed muffle.
The embodiment five of multifibre joint of the present invention: be with the difference of embodiment one, sleeve Stop structure is that choosing is contained in the bonding stop screw put.
The embodiment six of multifibre joint of the present invention: be with the difference of embodiment one, nut Stop structure is the spacer pin be located on fixed muffle.
The embodiment seven of multifibre joint of the present invention: be with the difference of embodiment one, plug and holder are wholely set, and namely the outer peripheral face of socket and the endoporus wall of fixed muffle are slidably matched.
The embodiment eight of multifibre joint of the present invention: be with the difference of embodiment one, fixed muffle and holder realize spline by positive, namely the endoporus wall of fixed muffle is polygon, and the outer peripheral face of corresponding holder is the polygon with the endoporus wall adaptation of fixed muffle.
Multifibre joint of the present invention in use, can ensure between bonding cover and fixed muffle to seal completely all the time, such as bonding cover of the prior art and fixed muffle is there will not be directly to tear and the problem of seal failure, outdoor environment or outdoor built on stilts environment can be used in, meanwhile, this multifibre joint in installation or removal process, the nut that only need be rotatably connected can realize plug and socket to slotting and depart from, easy accessibility, improves dismounting efficiency.
Claims (6)
1. a multifibre joint, comprise the fixed muffle that left and right extends and the bonding cover being located at fixed muffle right-hand member, the plug for coordinating with socket plug-in mounting is had by Fiber connection in described fixed muffle, it is characterized in that, described bonding cover comprises the seal section that the endoporus wall that is positioned at fixed muffle and fixed muffle is sealed and matched and the extension of stretching out from fixed muffle right-hand member, described extension is provided with the sleeve Stop structure to the direction of fixed muffle to the right being carried out block, described sleeve Stop structure contacts with the right side of fixed muffle, or the interval, right side of sleeve Stop structure and fixed muffle is arranged and the endoporus wall of seal section and fixed muffle is slidably matched.
2. multifibre joint according to claim 1, it is characterized in that, the interval, right side of described sleeve Stop structure and fixed muffle is arranged, and the endoporus wall of seal section and fixed muffle is slidably matched, and seal section is provided with the O-ring seal realizing slipper seal with fixed muffle.
3. multifibre joint according to claim 2, it is characterized in that, the periphery of described fixed muffle relatively rotates the coupling nut being equipped with and being threaded with the Socket casing of socket along axis, fixed muffle carries out the spacing nut Stop structure of block to coupling nut on the right side of coupling nut is provided with to the right direction.
4. multifibre joint according to claim 3, is characterized in that, the left end of described fixed muffle is provided with the gear shaping coordinating with the slot plug-in mounting on Socket casing to prevent fixed muffle from rotating relative to Socket casing.
5. the multifibre joint according to claim 1-4 any one, it is characterized in that, plug coordinates with fixed muffle guiding movement in the axial direction, coordinates in the circumferential with fixed muffle spline, is provided with the spring for providing plug plug-in mounting acting force left between plug and bonding cover.
6. multifibre joint according to claim 5, it is characterized in that, plug is assemblied in fixed muffle by holder guiding movement, and described holder is provided with for plug shaft to insertion and for making plug that the radial floating mounting hole floated occur in radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352200.8A CN104991321B (en) | 2015-06-24 | 2015-06-24 | A kind of multifibre joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352200.8A CN104991321B (en) | 2015-06-24 | 2015-06-24 | A kind of multifibre joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104991321A true CN104991321A (en) | 2015-10-21 |
| CN104991321B CN104991321B (en) | 2018-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510352200.8A Active CN104991321B (en) | 2015-06-24 | 2015-06-24 | A kind of multifibre joint |
Country Status (1)
| Country | Link |
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| CN (1) | CN104991321B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI826055B (en) * | 2021-10-28 | 2023-12-11 | 日商白山股份有限公司 | Optical connectors and plugs |
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| US6754430B1 (en) * | 2002-08-19 | 2004-06-22 | Qpc Fiber Optic, Inc. | Cable connector and method for attachment |
| JP2008152196A (en) * | 2006-12-20 | 2008-07-03 | Mitsubishi Cable Ind Ltd | Mechanism for connecting optical fibers |
| CN101241211A (en) * | 2007-02-08 | 2008-08-13 | 中航光电科技股份有限公司 | Rear jacket stationary type fiber optic cable connector contact member |
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| CN102176581A (en) * | 2011-02-22 | 2011-09-07 | 安德鲁公司 | Double-sealing structure of radio frequency coaxial connector and related radio frequency coaxial connector |
| WO2013177014A1 (en) * | 2012-05-22 | 2013-11-28 | Adc Telecommunications, Inc. | Cable sealing arrangement for a connector |
| US8641446B1 (en) * | 2012-07-27 | 2014-02-04 | Chin Nan Precision Electronics Co., Ltd. | Coaxial probe |
| CN103713363A (en) * | 2014-01-03 | 2014-04-09 | 长芯盛（武汉）科技有限公司 | Connecting assembly of USB 3.0 type optical fiber connector |
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2015
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6634906B1 (en) * | 2002-04-01 | 2003-10-21 | Min Hwa Yeh | Coaxial connector |
| US6754430B1 (en) * | 2002-08-19 | 2004-06-22 | Qpc Fiber Optic, Inc. | Cable connector and method for attachment |
| JP2008152196A (en) * | 2006-12-20 | 2008-07-03 | Mitsubishi Cable Ind Ltd | Mechanism for connecting optical fibers |
| CN101241211A (en) * | 2007-02-08 | 2008-08-13 | 中航光电科技股份有限公司 | Rear jacket stationary type fiber optic cable connector contact member |
| CN101931183A (en) * | 2009-06-26 | 2010-12-29 | 鸿富锦精密工业（深圳）有限公司 | Cable protecting mechanism |
| CN102176581A (en) * | 2011-02-22 | 2011-09-07 | 安德鲁公司 | Double-sealing structure of radio frequency coaxial connector and related radio frequency coaxial connector |
| WO2013177014A1 (en) * | 2012-05-22 | 2013-11-28 | Adc Telecommunications, Inc. | Cable sealing arrangement for a connector |
| US8641446B1 (en) * | 2012-07-27 | 2014-02-04 | Chin Nan Precision Electronics Co., Ltd. | Coaxial probe |
| CN103713363A (en) * | 2014-01-03 | 2014-04-09 | 长芯盛（武汉）科技有限公司 | Connecting assembly of USB 3.0 type optical fiber connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI826055B (en) * | 2021-10-28 | 2023-12-11 | 日商白山股份有限公司 | Optical connectors and plugs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104991321B (en) | 2018-08-10 |
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