CN110361815B - Large-wire-diameter MPO plug - Google Patents
Large-wire-diameter MPO plug Download PDFInfo
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- CN110361815B CN110361815B CN201910511576.7A CN201910511576A CN110361815B CN 110361815 B CN110361815 B CN 110361815B CN 201910511576 A CN201910511576 A CN 201910511576A CN 110361815 B CN110361815 B CN 110361815B
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- shell
- rear end
- sleeve
- limiting seat
- rotation
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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
-
- 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
-
- 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
- G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to a large-wire-diameter MPO plug which comprises an outer shell, a pin component, a spring, a limiting seat, a crimping sleeve and a tail sheath, wherein one end where the pin component is located is defined as a front end, the limiting seat is of a split structure and at least comprises a first shell and a second shell, the front end of the first shell is provided with a yielding groove for mounting the spring, the rear end of the first shell and the front end of the second shell are correspondingly provided with fixing mechanisms, and the first shell and the second shell can be fixed and detached through the fixing mechanisms; after the tensile element is arranged outside the second shell, the second shell is pressed and connected through the pressing and connecting sleeve, and the outer shell and the first shell can be detached under the pressing and connecting sleeve pressing state of the second shell. The invention can lead the optical fiber not to be stressed and not to cause the optical fiber distortion even under the condition that the crimping sleeve is not taken off, thereby bringing great convenience to the repairing and grinding work.
Description
Technical Field
The invention relates to the technical field of optical fiber connectors, in particular to a large-wire-diameter MPO plug.
Background
The MPO plugs are increasingly used in optical communication systems, the conventional MPO plugs are applied to indoor environments, some equipment manufacturers also add a protective shell outside the MPO plugs to apply the MPO plugs to outdoor environments, in order to add the protective shell, a large crushing force needs to be applied to optical cables at the tail ends of the plugs, the outer diameters of the optical cables need to be increased to adjust the optical cable structures, the pressure resistance of the optical cables is enhanced, and the MPO plugs with large wire diameters are needed.
Because the optical cable line diameter is great, integrative spacing seat can't return to on the optical cable, so made two body structure with spacing seat, as shown in figure 1, crimping cover and tail sheath wear on the optical cable during the assembly, the spring is worn on the optic fibre of optical cable front end, assemble the contact pin part earlier, later compression spring assembles spacing seat, after two body lock of spacing seat with the tensile element (not shown in the figure) circumference equipartition in the optical cable to spacing seat tail end cylindrical excircle, push the crimping cover to spacing seat tail end cylinder crimping, crimping cover front end and spacing seat cylinder cooperation crimping optical cable's tensile element, crimping cover rear end crimping fixes the optical cable crust on the optical cable, assemble shell body and tail sheath finally.
The prior art has the following disadvantages:
1. because the limiting seat is made into a two-body structure after being installed, compared with an MPO plug with a small wire diameter (the limiting seat is integrated, and the tail part is a complete cylinder), the strength of the cylinder at the tail end of the limiting seat is reduced, and the fracture failure is easy to occur during the compression joint sleeve and the side pull test.
2. When the limiting seat is assembled, the spring is compressed, so that the optical fiber is in a stressed state, and the optical fiber can be unloaded under stress after the outer shell is assembled; equally, if the contact pin terminal surface has the quality problem, when needing to reprocess, need demolish the shell body earlier, in case spacing seat deviates from the locking mechanism of shell body, optic fibre can receive the reaction force of spring immediately, can make spring and optic fibre distortion when serious, spacing seat at this moment has been by crimping cover crimping, can't take off from the optical cable, whole reprocess in-process optic fibre and spring all be in atress distortion state, cause great puzzlement for reprocess grinding work, misoperation can damage optic fibre and cause and scrap.
Disclosure of Invention
The invention aims to provide a large-wire-diameter MPO plug aiming at the defects, and through the improvement of the limiting seat, even under the condition that the crimping sleeve is not detached, the spring can also recover the free state, so that the optical fiber is not stressed, the optical fiber is not twisted, the repair and grinding work is convenient, the optical fiber is not damaged during operation, and the maintenance efficiency and quality are improved.
The invention solves the technical problems by adopting the following technical scheme, and the MPO plug with the large wire diameter comprises an outer shell, a pin component, a spring, a limiting seat, a crimping sleeve and a tail sheath, wherein one end where the pin component is positioned is defined as a front end, the limiting seat is of a split structure and at least comprises a first shell and a second shell, the front end of the first shell is provided with a abdicating groove for mounting the spring, the rear end of the first shell and the front end of the second shell are correspondingly provided with fixing mechanisms, and the first shell and the second shell can be fixed and detached through the fixing mechanisms; after the tensile element is arranged outside the second shell, the second shell is pressed and connected through the pressing and connecting sleeve, and the outer shell and the first shell can be detached under the pressing and connecting sleeve pressing state of the second shell.
Furthermore, the fixing mechanism comprises a groove arranged on the inner wall of the rear end of the first shell and a flange plate correspondingly arranged at the front end of the second shell, and the flange plate is clamped in the groove to lock and fix the first shell and the second shell;
or the fixing mechanism comprises a window arranged at the rear end of the first shell and a buckle correspondingly arranged at the front end of the second shell and matched with the window, and the window and the buckle are locked and fixed to lock the first shell and the second shell;
or, the fixing mechanism comprises a mounting hole formed in the rear end of the first shell and a clamp correspondingly arranged at the front end of the second shell and matched with the mounting hole, and the clamp is fixed behind the mounting hole to lock and fix the first shell and the second shell.
Furthermore, an anti-rotation mechanism is correspondingly arranged between the first shell and the second shell.
Furthermore, the anti-rotation mechanism comprises a plurality of flat surfaces I arranged on the outer wall of the second shell and a plurality of flat surfaces II correspondingly arranged on the inner wall of the rear end of the first shell, and after the first shell and the second shell are buckled, the flat surfaces I and the flat surfaces II are matched to play an anti-rotation role.
Further, the first shell and the second shell are further locked through a buckle after being fixed; the second shell adopts a reinforced material or a reinforced structure to prevent the second shell from being broken when in compression joint or side pulling.
Further, the crimping sleeve is of an integrated structure or a split structure.
Furthermore, the press-connection sleeve of the split structure comprises a front shell and a rear shell, wherein the front shell is in press-connection with the tensile element, the rear shell is in press-connection with the optical cable, and the tensile element is distributed on the periphery of a cylinder at the rear end of the second shell of the limiting seat; the front end of the shell behind the crimping sleeve is connected with a connecting piece capable of axially moving in a cylinder at the rear end of the second shell of the limiting seat, a first positioning groove and a second positioning groove are respectively arranged on the connecting piece and the cylinder at the rear end of the second shell, and the connecting piece is inserted into the cylinder at the rear end of the second shell to enable the first positioning groove and the second positioning groove to be superposed and then positioned through a locking device so as to limit the axial movement of the connecting piece and the second shell.
Furthermore, the locking device is U-shaped.
Furthermore, be provided with on the connecting piece of crimping cover rear housing body front end and spline and only turn over face I or convex key, correspond in the spacing second casing body rear end cylinder and be provided with only turn over face II or keyway, only turn over face I and only turn over II adaptations of face or convex key and keyway adaptation form only to turn over the mechanism and be used for preventing that crimping cover rear housing body from rotating.
Furthermore, the split-type structure crimping sleeve is also suitable for the limiting seat of the integrated or two-body structure.
Compared with the prior art, the invention has the following advantages:
(1) according to the invention, through the improvement on the limiting seat, even if the crimping sleeve is not detached, the detachment of the first shell of the limiting seat is not influenced, the spring can restore to the free state after the first shell of the limiting seat is detached, the optical fiber is not stressed, the optical fiber is not twisted, the convenience is brought to the repair and grinding work, and the optical fiber is not damaged during the operation.
(2) The invention also improves the crimping sleeve, the improved split type crimping sleeve improves the original integrated crimping sleeve into a front shell and a rear shell which are separated, the front shell and the rear shell are locked by the locking mechanism, and the rotation of the front shell and the rear shell is prevented by the rotation stopping mechanism. Need not to get when repairing the dismantlement and unload crimping cover and spacing seat, only need with the locking device unblock and take off the shell body, the shell body is got and is unloaded and locking device unblock back, and spacing seat rear end does not have the resistance, and under the spring action, spacing seat moves to the rear end, and whole assembly is unloaded the process optic fibre and is not atress with getting, can not cause the optic fibre distortion, is convenient for repair grinding work and damage optic fibre when avoiding operating.
(3) The split type limiting seat can be matched with the original integrated crimping sleeve for use without damaging optical fibers during repair, and can also be matched with the split type crimping sleeve improved by the invention for use, so that the same effect is achieved. The invention solves the defects of the prior art, brings great convenience to repair work, improves the maintenance efficiency and quality, and reduces the damage rate and the economic loss of enterprises caused by repair.
Drawings
FIG. 1 is an exploded view of a prior art MPO plug;
FIG. 2 is an exploded view of an MPO plug with a split retainer and integral crimp sleeve;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic view of the first housing and the second housing of the position-limiting base of FIG. 3 after being fastened together;
FIG. 5 is a schematic view of the buckle installed at the connection between the first and second housings of the limiting seat;
FIG. 6 is a schematic view of the finished MPO plug of FIGS. 2-5;
FIG. 7 is a schematic view of the assembly of the split type crimping sleeve and the limiting seat;
FIG. 8 is an enlarged partial view of FIG. 7;
FIG. 9 is a schematic view of the rotation stopping surface I and the rotation stopping surface II.
Element and symbol description:
1: an outer shell 2: pin member 3: and (4) a spring: optical fiber
5: and (3) a crimping sleeve 6: a tail sheath 7: and (3) an optical cable 8: first shell of limiting seat
9: limiting seat second housing 10: and (4) buckle 11: wrapping sleeve 12: connecting plate
13: the abdicating groove 14: groove 15: flange 16: flat surface I
17: flat surface ii 18: second housing rear end cylinder 19: original limit seat rear end cylinder
20: second positioning groove 21: rotation stopping surface II 22: the limiting table 23: limiting groove
5.1: front crimp sleeve housing 5.2: crimping sleeve rear shell 5.3: connecting piece
5.4: first positioning groove 5.5: locking device 5.6: rotation-stopping surface I5.7: via hole
Detailed Description
In order to further illustrate the technical means and technical effects adopted by the invention, the following describes in detail a large-wire-diameter MPO plug of the invention with reference to the examples.
The MPO plug mainly includes an outer shell 1, a pin component 2, a spring 3, a limiting seat, a press-connection sleeve 5 and a tail sheath 6, for convenience of description, one end where the pin component is located is defined as a front end, the left end is defined as the front end in fig. 1-8, and the pin component and the limiting seat are sequentially arranged from front to back. In the prior art, a limiting seat and a spring in an MPO plug are sleeved on an optical fiber 4 at the front end of an optical cable 7, the spring is wrapped in the limiting seat, the front end of the optical fiber is connected with a pin component, the spring and the limiting seat are arranged at the rear end of the pin component, after the limiting seat is installed, a tensile element (the tensile element is not shown in the drawing) is arranged on a cylinder 19 at the rear end of an original limiting seat, then the front half part of a crimping sleeve is used for crimping, the rear half part of the crimping sleeve is used for crimping the optical cable, finally, a tail sheath is used for sheathing the crimping sleeve and the optical cable, and the outer shell of.
The invention mainly improves the limiting seat, and the structure and the assembly mode of other parts are the same as the prior art.
The invention changes the limiting seat into a split structure, at least comprises a first shell 8 and a second shell 9, the first shell comprises a left wrapping sleeve 11, a right wrapping sleeve 11 and a connecting plate 12 connected between the two wrapping sleeves, the front end of the first shell is provided with a abdicating groove 13 for mounting a spring, and optical fibers are wrapped between the two wrapping sleeves and the connecting plate. The rear end of the first shell and the front end of the second shell are correspondingly provided with fixing mechanisms, and the first shell and the second shell can be fixed and detachable through the fixing mechanisms; the fixing mechanism may include a groove 14 disposed on an inner wall of the rear end of the first housing and a flange 15 correspondingly disposed on the front end of the second housing, and the cross-sectional shapes of the groove 14 and the flange 15 are not limited, and may be square, rectangular, circular, polygonal, and the like. And after the flange plate is clamped into the groove, the first shell and the second shell are locked and fixed. The second shell is sleeved on the optical fiber and located in front of the optical cable outer sheath, a plurality of flat surfaces I16 are evenly distributed on the outer wall of the second shell in the circumferential direction and used for being matched with a plurality of flat surfaces II 17 arranged on the inner wall of the rear end of the first shell in the circumferential direction, and after the first shell and the second shell are buckled, the flat surfaces I and the flat surfaces II are matched to play an anti-rotation role. Preferably, at least two flat surfaces I16 are uniformly distributed on the outer wall of the second shell in the circumferential direction, and the number of the flat surfaces can be more than two. In the figure 3, the flange plate 15 is square or rectangular, the groove shape and the flange plate shape are matched to play a role in connection and fixation, four flat surfaces I are uniformly distributed on the outer wall of the second shell in the circumferential direction in the figure 3, and three flat surfaces II are distributed on the inner wall of the rear end of the first shell in the circumferential direction.
Further, after the first shell and the second shell are buckled, the buckle 10 is sleeved on the periphery of the joint of the first shell and the second shell and used for further fixing the first shell and the second shell, the limiting table 22 at the rear end of the buckle is clamped in the limiting groove 23 formed by the first shell and the second shell, the structure of the buckle is matched with the structure of the joint of the first shell and the second shell, and the rear end of the first shell, the front end of the second shell and the buckle form a smooth plane after the buckle is installed, as shown in fig. 5. After the periphery of the rear end cylinder 18 of the second shell is provided with a tensile element (the tensile element is not shown in the figure), the rear half part of the second shell is pressed and connected with the front half part of the pressing and connecting sleeve, the rear half part of the pressing and connecting sleeve is pressed and connected with the optical cable, after the pressing and connecting sleeve is pressed and connected, the tail sheath is pressed and connected with the pressing and connecting sleeve and the optical cable, the outer shell of the plug is installed in place, and the finished MPO plug is shown in. The front end of the buckle is limited by the rear end of the outer shell.
Furthermore, the groove on the inner wall of the rear end of the first shell and the flange plate correspondingly arranged at the front end of the second shell can be respectively replaced by a window and a buckle, the window and the buckle are adaptive, the buckling function of the window and the buckle is the same as that of the groove and the flange plate, and the window and the buckle are used for fixing the first shell and the second shell.
Furthermore, the groove on the inner wall of the rear end of the first shell and the flange plate correspondingly arranged at the front end of the second shell can be respectively replaced by a mounting hole and a clamp, the mounting hole is matched with the clamp, and the clamp is fixed behind the mounting hole to lock and fix the first shell and the second shell.
Preferably, the second shell of the limiting seat is made of reinforced materials or reinforced structures to prevent fracture during compression joint or side pulling.
According to the MPO plug, the outer shell, the ring buckle and the first shell can still be detached when the tensile element on the second shell is in a compression joint state by the compression joint sleeve. The method comprises the following steps: during the reprocess, get with the frock with plug shell body and tail sheath and unload, then get with the frock with the latch closure from front end (contact pin part one end) and unload, reuse frock with spacing first casing from the second casing get unload can, spacing second casing and crimping cover need not to get and unload, spacing first casing of seat is got and is unloaded the back spring and can be resumeed free state, optic fibre just does not receive the force, not only has brought the convenience for reprocess grinding work, can not harm optic fibre during the operation moreover.
Further, the crimping sleeve used with the split type limiting seat can be an existing one-piece structure (as shown in fig. 2-6) or a crimping sleeve of a split type structure (as shown in fig. 7-8) improved by the invention. The pressure welding sleeve with the split structure specifically comprises a front shell 5.1 and a rear shell 5.2, wherein the front shell and the rear shell are separated and independent, as shown in fig. 7.
When the split-type structure crimping sleeve is matched with an existing integrated or two-body type limiting seat (the two-body type limiting seat is shown in figure 1) for use, a tensile element is installed on an original limiting seat rear end cylinder 19 and then is crimped by a crimping sleeve front shell 5.1, a crimping sleeve rear shell 5.2 is crimped on an optical cable, the front end of the crimping sleeve rear shell is connected with a connecting piece 5.3, the connecting piece 5.3 can axially move in the original limiting seat rear end cylinder 19, the connecting piece 5.3 and the original limiting seat rear end cylinder 19 are respectively provided with a first positioning groove 5.4 and a second positioning groove 20, the connecting piece is axially inserted into the limiting seat rear end cylinder to enable the first positioning groove and the second positioning groove to be coincided and then locked and positioned through a locking device 5.5 to limit the relative axial movement of the original limiting seat rear end cylinder 19 and the crimping sleeve rear shell 5.2, finally, a tail sheath 6 is crimped on the crimping sleeve and the optical cable, and then the outer shell 1 is. The shell is also provided with a through hole, and the tensile element penetrates through the through hole and is distributed on the periphery of the cylinder at the rear end of the limiting seat and then is fixed by compression joint through the front shell of the compression joint sleeve.
The structure of the press-connection sleeve with the split structure and the improved split type limiting seat of the invention is the same as that in fig. 7-9, except that the limiting seat in fig. 7-9 is replaced by the split type limiting seat, after the replacement, the original rear end cylinder 19 of the limiting seat in fig. 7-9 is the shell of the rear end cylinder 18 of the second shell of the split type limiting seat, and the shell of the rear end cylinder 18 of the second shell of the limiting seat is provided with the second positioning groove 20.
Further, the locking device may adopt a locking member of a "U" shaped structure, as shown in fig. 7 and 8. The axial direction between the limiting seat and the crimping sleeve rear shell body can not move after the locking device locks, and certain tensile strength is achieved. After unlocking, the two can move axially relatively, and the connecting piece at the front end of the shell behind the crimping sleeve can be inserted into the shell at the rear end of the limiting seat or pulled out of the shell at the rear end of the limiting seat.
Further, be provided with on the connecting piece 5.3 of crimping cover rear housing front end and spline I5.6 or protruding key, correspond in former spacing seat rear end cylinder 19 (or in split type spacing seat second casing rear end cylinder 18) and be provided with spline II 21 or keyway, spline I5.6 forms spline mechanism with spline II 21 adaptation or protruding key and keyway adaptation and is used for preventing the crimping cover latter half and rotates, as shown in fig. 9, former spacing seat rear end cylinder 19 in fig. 9 also can be split type spacing seat second casing rear end cylinder 18.
Further, the connecting piece 5.3 is a cylindrical shell, and is matched with the original rear end cylinder 19 of the limiting seat or the rear end cylinder 18 of the second shell of the split limiting seat, and the outer diameter of the connecting piece 5.3 is smaller than the inner diameter of the original rear end cylinder 19 of the limiting seat or the rear end cylinder 18 of the second shell of the split limiting seat.
When the press-connection sleeve of the split structure is assembled with the MPO plug, the limit seat and the outer shell compression spring are firstly used, the limit seat is clamped on the outer shell and then pressed on the front shell of the press-connection sleeve, then the connecting piece at the front end of the rear shell of the press-connection sleeve is inserted into the cylinder 19 at the rear end of the original limit seat (or the cylinder 18 at the rear end of the second shell of the split limit seat) and the first positioning groove and the second positioning groove are aligned and then locked and fixed by the locking device, and then the tail sheath is assembled. When the optical fiber is required to be repaired, the tail sheath is taken out and disassembled first, then the locking device is unlocked, and then the outer shell is taken out and disassembled, so that the rear end of the limiting seat is not axially blocked, the spring can push the limiting seat to move backwards (the spring moves towards the right end in the figure 7), the optical fiber is not stressed in the whole assembling and taking out and disassembling process, and the optical fiber and the spring cannot be twisted.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention in any way, and the present invention may also have other embodiments according to the above structures and functions, and is not listed again. Therefore, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made within the technical scope of the present invention.
Claims (10)
1. A large-wire-diameter MPO plug comprises an outer shell, a pin component, a spring, a limiting seat, a crimping sleeve and a tail sheath, wherein one end where the pin component is located is defined as a front end; after the tensile element is arranged outside the second shell, the second shell is pressed and connected through the pressing and connecting sleeve, and the first shell can be detached when the second shell is pressed and connected through the pressing and connecting sleeve.
2. The MPO plug with the large wire diameter according to claim 1, wherein the fixing mechanism comprises a groove arranged on the inner wall of the rear end of the first shell and a flange plate correspondingly arranged on the front end of the second shell, and the flange plate is clamped in the groove to lock and fix the first shell and the second shell;
or the fixing mechanism comprises a window arranged at the rear end of the first shell and a buckle correspondingly arranged at the front end of the second shell and matched with the window, and the window and the buckle are locked and fixed to lock the first shell and the second shell;
or, the fixing mechanism comprises a mounting hole formed in the rear end of the first shell and a clamp correspondingly arranged at the front end of the second shell and matched with the mounting hole, and the clamp is fixed behind the mounting hole to lock and fix the first shell and the second shell.
3. The large-wire-diameter MPO plug according to claim 1, wherein an anti-rotation mechanism is correspondingly provided between the first housing and the second housing.
4. The MPO plug according to claim 3, wherein the anti-rotation mechanism comprises a plurality of flat surfaces I disposed on the outer wall of the second housing and a plurality of flat surfaces II correspondingly disposed on the inner wall of the rear end of the first housing, and the flat surfaces I and the flat surfaces II are adapted to prevent rotation after the first housing and the second housing are fastened together.
5. The large wire diameter MPO plug of claim 1, wherein the first housing and the second housing are further secured together by a loop fastener after being secured; the second shell adopts a reinforced material or a reinforced structure to prevent the second shell from being broken when in compression joint or side pulling.
6. The large wire diameter MPO plug of claim 1, wherein the crimp sleeve is of one-piece or split construction.
7. The large-wire-diameter MPO plug according to claim 6, wherein the press-fit sleeve of the split structure comprises a front shell press-fit on the tensile element and a rear shell press-fit on the optical cable, and the tensile element is distributed on the periphery of a cylinder at the rear end of the second shell of the limiting seat; the front end of the shell behind the crimping sleeve is connected with a connecting piece capable of axially moving in a cylinder at the rear end of the second shell of the limiting seat, a first positioning groove and a second positioning groove are respectively arranged on the connecting piece and the cylinder at the rear end of the second shell, and the connecting piece is inserted into the cylinder at the rear end of the second shell to enable the first positioning groove and the second positioning groove to be superposed and then positioned through a locking device so as to limit the axial movement of the connecting piece and the second shell.
8. The large wire diameter MPO plug of claim 7, wherein the locking means is "U" shaped.
9. The MPO plug with the large wire diameter according to claim 7, wherein the connecting piece at the front end of the rear shell of the press-fit sleeve is provided with a rotation-stopping surface I or a convex key, the cylinder at the rear end of the second shell of the limiting seat is correspondingly provided with a rotation-stopping surface II or a key groove, and the rotation-stopping surface I is matched with the rotation-stopping surface II or the convex key is matched with the key groove to form a rotation-stopping mechanism for preventing the rotation of the rear shell of the press-fit sleeve.
10. The MPO plug of claim 7, wherein the split crimp sleeve is further adapted to a two-piece retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511576.7A CN110361815B (en) | 2019-06-13 | 2019-06-13 | Large-wire-diameter MPO plug |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511576.7A CN110361815B (en) | 2019-06-13 | 2019-06-13 | Large-wire-diameter MPO plug |
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| Publication Number | Publication Date |
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| CN110361815A CN110361815A (en) | 2019-10-22 |
| CN110361815B true CN110361815B (en) | 2021-05-11 |
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| CN201910511576.7A Active CN110361815B (en) | 2019-06-13 | 2019-06-13 | Large-wire-diameter MPO plug |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111308614A (en) * | 2019-11-25 | 2020-06-19 | 中航光电科技股份有限公司 | MPO optical cable assembly and MPO connector |
| CN110927890A (en) * | 2019-11-25 | 2020-03-27 | 中航光电科技股份有限公司 | MPO connector and optical cable assembly |
| CN110954996A (en) * | 2019-11-25 | 2020-04-03 | 中航光电科技股份有限公司 | MPO connector and optical cable assembly |
| CN111399135A (en) * | 2020-04-23 | 2020-07-10 | 中航光电科技股份有限公司 | Optical cable connecting shell assembly and optical cable connector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003057492A (en) * | 2001-08-16 | 2003-02-26 | Furukawa Electric Co Ltd:The | Optical connector |
| US8992098B2 (en) * | 2005-06-08 | 2015-03-31 | Commscope, Inc. Of North Carolina | Methods for forming connectorized fiber optic cabling |
| US7537393B2 (en) * | 2005-06-08 | 2009-05-26 | Commscope, Inc. Of North Carolina | Connectorized fiber optic cabling and methods for forming the same |
| CN104834061B (en) * | 2014-02-12 | 2017-05-03 | 爱德奇电讯国际贸易（上海）有限公司 | Optical fiber connector and assembling method thereof |
| CN104991314A (en) * | 2015-06-28 | 2015-10-21 | 中航光电科技股份有限公司 | Holder of optical fiber connector |
| CN106058559B (en) * | 2016-05-20 | 2018-11-13 | 中航光电科技股份有限公司 | Connector and connector assembly outside anti-rotation room |
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Effective date of registration: 20221102 Address after: 201100 floor 10, building 5, No. 525, Yuanjiang Road, Minhang District, Shanghai Patentee after: AVIC Optoelectronics (Shanghai) Co.,Ltd. Address before: 471000 No.10 Zhoushan Road, high tech Zone, Luoyang City, Henan Province Patentee before: AVIC JONHON OPTRONIC TECHNOLOGY Co.,Ltd. |