CN115016070B - Optical fiber connector and adapter for realizing fast assembly - Google Patents
Optical fiber connector and adapter for realizing fast assembly Download PDFInfo
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- CN115016070B CN115016070B CN202210710189.8A CN202210710189A CN115016070B CN 115016070 B CN115016070 B CN 115016070B CN 202210710189 A CN202210710189 A CN 202210710189A CN 115016070 B CN115016070 B CN 115016070B
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- optical fiber
- sleeve
- adapter
- connector
- fiber connector
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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
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two 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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
- G02B6/3831—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape comprising a keying element on the plug or adapter, e.g. to forbid wrong connection
-
- 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
- G02B6/3851—Ferrules having keying or coding means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses an optical fiber connector and an adapter for realizing fast assembly, wherein the optical fiber connector comprises a connector head, an push-out pipe assembly and a rear assembly; the outer pushing pipe assembly comprises an outer pushing pipe, a sealing sleeve and an inner clamping sleeve, the sealing sleeve and the inner clamping sleeve are arranged in an inner cavity of the outer pushing pipe, a supporting pipe in the connector penetrates through the sealing sleeve and the inner clamping sleeve, and an inner clamping jaw and a pre-positioning block are arranged on the inner clamping sleeve; the adapter is used for being connected with the optical fiber connector adaptation, the one end of adapter is equipped with the external connection mouth, be equipped with the internal connection mouth in the external connection mouth, be equipped with the D shape groove on the internal connection mouth, the shape in D shape groove matches with the D shape endotheca in the connector, the outside of external connection mouth is equipped with U-shaped groove and slides the butt joint groove, is equipped with first lug in the U-shaped groove, the U-shaped groove corresponds with interior jack catch and the reservation piece on the interior cutting ferrule respectively with the position that slides the butt joint groove. The invention adopts a general design, is suitable for common optical cables in the market, and realizes the rapid connection and disassembly of the optical fibers.
Description
Technical Field
The invention relates to the technical field of optical fiber connection, in particular to an optical fiber connector and an adapter for realizing fast assembly.
Background
With the development of optical fiber communication, optical fiber resources are used in all corners of society, but the connection between optical fibers is still in three modes of traditional fusion connection, mechanical connection and termination. The welding is mainly applied to indoor and outdoor environments requiring welding, the mechanical connection is mainly applied to indoor, and the outdoor is applied to an optical fiber splitting box or a box body with a waterproof effect. The end is fixed length optical fiber, the fixed length optical fiber is processed in factory, and optical fiber connectors are added at two ends of the optical fiber.
The optical fiber fusion is still the most reliable splicing mode at present, but because the fusion splicer is needed to splice the optical fiber fusion, the requirements on the site, the environment, the operation condition and the level of operators of a construction site are higher, the optical fiber fusion splicer is not suitable for construction in some special scenes, for example, the fusion splicer is required to discharge when the optical fiber is fused, fire or explosion can be caused in the place where the discharge is forbidden, the construction is mainly carried out by mechanical splicing, but the reliability of the mechanical splicing is not good, and the optical fiber fusion splicer is only suitable for being used in emergency environments. The termination is a customized product, but the fixed length is calculated according to a design drawing before construction, and then the factory customized optical fiber is removed, so that the method is only suitable for new construction or reconstruction and construction under a perfect construction environment, and if the fault end point occurs due to rough construction in use, the whole root is replaced or the method is continued to be used through welding or mechanical connection.
The termination scheme is customized for factories and is divided into indoor termination and outdoor termination, wherein the indoor is to apply the traditional optical fiber connectors to the two ends of an indoor optical cable, the outdoor is to change the indoor cable into an outdoor remote optical cable or a butterfly-shaped optical cable, and a waterproof joint is added on the connector. The product has different specifications according to different optical cable and connector types.
In addition, aiming at the problem that the termination scheme needs to be customized in a factory to a certain length relatively trouble, a termination connector is also produced in the market, and the termination connector is manufactured in the factory and is similar to a crystal head used for copper cable wiring, and a finished product can be manufactured according to the size when the termination connector is used. However, the connector adopts a terminal melting machine to process the end face of the optical fiber, and cannot achieve the grinding precision of a factory, so that the connector is only suitable for application in situations where the return loss requirement is not met.
For the above reasons, in the current optical fiber connection technology, it is difficult to achieve rapid connection of optical fibers.
Disclosure of Invention
The invention provides an optical fiber connector and an adapter for realizing fast assembly, which have the advantages that the optical fiber connector and the adapter adopt a general design, are suitable for common optical cables in the market, and realize fast connection and disassembly of optical fibers.
The object of the invention is achieved by the following technical scheme, namely an optical fiber connector and an adapter for realizing quick assembly, which are characterized in that the optical fiber connector comprises a connector head, an push-out pipe assembly and a rear assembly, wherein the connector head and the rear assembly are respectively arranged in the push-out pipe assembly from two ends;
the connector comprises a D-shaped inner sleeve, an inserting core, a first spring and a supporting tube, wherein the inserting core is inserted into the D-shaped inner sleeve and the supporting tube, the first spring is sleeved on the inserting core and applies thrust to the inserting core so that the end part of the inserting core extends out of the D-shaped inner sleeve, and the optical fiber is inserted into the inserting core;
the outer pushing pipe assembly comprises an outer pushing pipe, a sealing sleeve and an inner clamping sleeve, the sealing sleeve and the inner clamping sleeve are arranged in an inner cavity of the outer pushing pipe, a supporting pipe in the connector penetrates through the sealing sleeve and the inner clamping sleeve, and an inner clamping jaw and a pre-positioning block are arranged on the inner clamping sleeve;
the rear assembly comprises an inner rod piece, a second spring, a metal ring, a cable fastener, a heat-shrinkable sleeve and a tail sleeve, wherein the inner rod piece is in threaded connection with a supporting tube in the connector;
the adapter is used for being connected with the optical fiber connector adaptation, the one end of adapter is equipped with the external connection mouth, be equipped with the internal connection mouth in the external connection mouth, be equipped with the D shape groove on the internal connection mouth, the shape in D shape groove matches with the D shape endotheca in the connector, the outside of external connection mouth is equipped with U-shaped groove and slides the butt joint groove, is equipped with first lug in the U-shaped groove, the U-shaped groove corresponds with interior jack catch and the reservation piece on the interior cutting ferrule respectively with the position that slides the butt joint groove.
The invention is further arranged that a first sealing ring is arranged on the outer side of the sealing sleeve, and when the sealing sleeve is arranged in the push-out pipe, the first sealing ring is positioned between the sealing sleeve and the push-out pipe;
the outer side of the inner rod piece is provided with a second sealing ring, and when the inner rod piece is arranged in the push-out pipe, the second sealing ring is positioned between the inner rod piece and the push-out pipe;
and a fourth sealing ring is arranged at the root part of the outer side of the outer interface of the adapter, and is positioned between the outer interface and the sealing sleeve when the optical fiber connector is connected with the adapter.
The invention is further characterized in that a square groove is formed in the sealing sleeve, a second protruding block is arranged on the inner wall of the push-out pipe, and the second protruding block is accommodated in the square groove when the sealing sleeve is arranged in the push-out pipe.
The invention is further provided with a D-shaped boss at the middle part of the supporting tube, a D-shaped limit groove matched with the D-shaped boss is arranged on the inner clamping sleeve, and the D-shaped boss is accommodated in the D-shaped limit groove.
The invention is further arranged that the inner clamping sleeve can rotate in the push-out pipe, the push-out pipe is internally provided with the sliding block, the bottom of the inner clamping sleeve is provided with the circular arc sliding rail, when the inner clamping sleeve is arranged in the push-out pipe, the sliding block is accommodated in the circular arc sliding rail, and the circular arc sliding rail limits the rotation angle range of the inner clamping sleeve in the push-out pipe to 90 degrees;
the inner contour of the push-out pipe is elliptical, and when the inner clamping sleeve rotates in the push-out pipe, the inner clamping claws sequentially pass through the major axis and the minor axis of the inner contour of the push-out pipe so as to change the compression state of the inner clamping claws and realize the conversion between the locking state and the pluggable state of the optical fiber connector.
The invention is further provided that the end part of the sliding block is provided with a positioning concave point, the circular arc sliding rail is internally provided with two limiting convex blocks, and the limiting convex blocks are used for being clamped into the positioning concave points to fix the inner clamping sleeve.
The invention is further characterized in that the sealing sleeve is provided with an inclined jacking block, the end part of the inclined jacking block is inclined, the end part of the inner claw on the inner clamping sleeve is inclined, when the inner clamping sleeve and the sealing sleeve are arranged in the push-out pipe, the inner claw is opposite to the inclined jacking block, the end surfaces of the inner claw and the inclined jacking block are matched, and the inclined jacking block is used for expanding the inner claw when the optical fiber connector is pulled out.
The optical fiber connector further comprises a dustproof cap, wherein the dustproof cap is connected to the inner rod piece through an elastic band, a plug is arranged at one end of the dustproof cap, and the appearance of the plug is the same as the shape of an outer interface on the adapter;
and a third sealing ring is arranged on the plug of the dustproof cap.
The invention is further characterized in that the outer side of the push-out pipe and the D-shaped inner sleeve are respectively provided with an insertion arrow mark with corresponding positions for indicating the installation position of the connector in the push-out pipe.
The invention is further provided with a rotary arrow mark on the adapter for indicating the rotation direction of the push-out tube, wherein the two ends of the rotary arrow mark are respectively provided with a start mark and a bottom mark for indicating the locking and the unpluggable state of the optical fiber connector;
the start indicator is in the same circumferential position on the adapter as the sliding interface slot.
In summary, the beneficial effects of the invention are as follows:
1. the optical fiber connector is convenient to connect with the adapter, during connection, the optical fiber connector and the adapter can be accurately connected without errors through the structures of the D-shaped inner sleeve and the D-shaped groove, the pre-positioning block and the sliding contact are used for positioning and guiding the connection of the optical fiber connector and the adapter, the optical fiber connector and the adapter can be realized through blind insertion during quick connection, errors are not easy to occur, and after the optical fiber connector and the adapter are connected, the optical fiber connector and the adapter are buckled through the inner clamping jaw and the first lug in the U-shaped groove, so that the optical fiber connector and the adapter are fixed;
2. after the optical fiber connector is connected with the adapter, the inner clamping claw can be pressed by rotating the push-out pipe, so that the connection between the optical fiber connector and the adapter is locked, the optical fiber connector is not easy to pull out, and when the optical fiber connector is required to be pulled out, the unlocking can be realized by rotating the push-out pipe in the direction;
3. an insertion arrow mark and a rotation arrow mark are arranged to indicate the insertion position when the optical fiber connector is connected with the adapter, and whether the optical fiber connector and the adapter are in a locking state is judged.
Drawings
FIG. 1 is an exploded view of a fiber optic connector of the present invention; the method comprises the steps of carrying out a first treatment on the surface of the
FIG. 2 is a schematic view of a connector according to the present invention;
FIG. 3 is an exploded view of the connector of the present invention;
FIG. 4 is an exploded view of the push-out tube assembly of the present invention;
FIG. 5 is a schematic view of an inner ferrule of the present invention;
FIG. 6 is a schematic bottom view of the inner ferrule of the present invention;
figure 7 is a schematic illustration of a gland according to the present invention;
FIG. 8 is a schematic illustration of an extrapolation tube in accordance with the present invention;
FIG. 9 is a schematic diagram of a slider structure in an extrapolation tube embodying the present invention;
FIG. 10 is an internal cross-sectional view of the present invention with the inner collar installed in the outer tube;
FIG. 11 is a schematic illustration of the connection of the inner rod member to the outer tube in accordance with the present invention;
FIG. 12 is a schematic view of a cable buckle of the present invention;
FIG. 13 is a schematic view of a metal ring in accordance with the present invention;
FIG. 14 is a schematic view of a fiber optic connector according to the present invention;
FIG. 15 is a schematic view of an adapter of the present invention;
FIG. 16 is a schematic illustration of the fiber optic connector of the present invention in direct plug connection with an adapter;
FIG. 17 is a schematic illustration of the present invention in a locked state between a fiber optic connector and an adapter;
FIG. 18 is a cross-sectional view of a schematic view of the fiber optic connector and adapter of the present invention after being directly inserted and secured and a partially enlarged view of the inner collar and adapter snap fit;
FIG. 19 is a cross-sectional view of the fiber optic connector of the present invention after right-handed fixation with the adapter;
FIG. 20 is a cross-sectional view and partial enlarged view of a seal cartridge in the present invention pushing against and not interfering with the inner jaws of the inner ferrule when the fiber optic connector is in the unplugged condition;
fig. 21 is a cross-sectional view and a partial enlarged view of an inner jaw of an inner ferrule being pushed up by a sealing boot angled jack block in a pluggable state of an optical fiber connector according to the present invention.
In the figure, 100, a fiber optic connector; 200. an adapter; 110. a connector; 120. an extrapolation tube assembly; 130. a rear assembly; 1. a D-shaped inner sleeve; 2. a core insert; 3. a first spring; 4. a support tube; 5. an extrapolation tube; 6. sealing sleeve; 7. an inner ferrule; 8. an inner jaw; 9. a pre-positioning block; 10. an inner rod member; 11. a second spring; 12. a metal ring; 13. a cable clasp; 16. an external interface; 17. an internal interface; 18. a D-shaped groove; 19. a U-shaped groove; 20. a sliding butt joint groove; 21. a first bump; 22. a first seal ring; 23. a second seal ring; 24. a third seal ring; 25. a fourth seal ring; 26. a seal ring mounting groove; 27. a square groove; 28. a second bump; 29. d-shaped bosses; 30. d-shaped limit grooves; 31. a slide block; 32. arc slide rail; 33. positioning pits; 34. a limit bump; 35. an inclined top block; 36. a dust cap; 37. a plug; 38. inserting an arrow mark; 39. rotating an arrow mark; 40. a start mark; 41. a bottom mark; 42. an elastic band; 43. an optical cable.
Detailed Description
The following describes in detail the embodiments of the present invention with reference to the drawings.
Examples: referring to fig. 1-15, a fiber optic connector and adapter for quick-fitting, the fiber optic connector 100 includes a header 110, an push-out tube assembly 120, and a rear assembly 130, the header 110 and the rear assembly 130 being received into the push-out tube assembly 120 from both ends, respectively.
The connector 110 comprises a D-shaped inner sleeve 1, an inserting core 2, a first spring 3 and a supporting tube 4, wherein the inserting core 2 is inserted into the D-shaped inner sleeve 1 and the supporting tube 4, the first spring 3 is sleeved on the inserting core 2 and applies pushing force to the inserting core 2 so that the end part of the inserting core 2 extends out of the D-shaped inner sleeve 1, and the optical fiber is inserted into the inserting core 2.
The push-out pipe assembly 120 comprises a push-out pipe 5, a sealing sleeve 6 and an inner clamping sleeve 7, the sealing sleeve 6 and the inner clamping sleeve 7 are arranged in the inner cavity of the push-out pipe 5, the supporting pipe 4 in the connector 110 penetrates through the sealing sleeve 6 and the inner clamping sleeve 7, and the inner clamping sleeve 7 is provided with an inner clamping jaw 8 and a pre-positioning block 9.
The rear assembly 130 comprises an inner rod member 10, a second spring 11, a metal ring 12, a cable buckle 13, a heat shrinkage sleeve and a tail sleeve, wherein the inner rod member 10 is in threaded connection with the support tube 4 in the connector 110, the rear end of the inner rod member 10 is provided with threads, the inner rod member 10 is of a hollow structure, and an optical fiber passes through the hollow structure. The second spring 11 is sleeved on the inner rod member 10 and is arranged in the push-out tube 5, one end of the second spring 11 is abutted against the inner wall of the push-out tube 5, the other end is abutted against the inner rod member 10, and the second spring 11 is used for applying thrust to the inner rod member 10 back to the connector 110. The optical cable 43 containing optical fibers extends from the tail of the inner rod member 10, the cable buckle 13 is mounted at the tail of the inner rod member 10 and fastens the optical cable 43, the cable buckle 13 is provided with a groove, and a plurality of conical bosses are arranged in the groove and used for fastening the optical cable 43 with a wire gauge of 3.0 and the butterfly-shaped introducing optical cable 43. The metal ring 12 is installed outside the cable clasp 13 to connect the inner rod member 10 and the cable clasp 13, and the metal ring 12 connects the cable clasp 13 and the inner rod member 10 by press deformation. If the optical cable 43 is pulled far, the cable buckle 13 is not needed, the metal ring 12 is directly stamped and limited, then the thermal shrinkage sleeve is sleeved, the tail parts of the optical cable 43 and the inner rod piece 10 are waterproof and wrapped after thermal shrinkage, and finally the tail sleeve is sleeved.
The adapter 200 is used for being connected with the optical fiber connector 100 in an adapting way, one end of the adapter 200 is provided with an outer connector 16, an inner connector 17 is arranged in the outer connector 16, a D-shaped groove 18 is arranged on the inner connector 17, the shape of the D-shaped groove 18 is matched with that of the D-shaped inner sleeve 1 in the connector 110, a U-shaped groove 19 and a sliding butt joint groove 20 are arranged on the outer side of the outer connector 16, a first lug 21 is arranged in the U-shaped groove 19, and the positions of the U-shaped groove 19 and the sliding butt joint groove 20 correspond to the inner clamping claw 8 and the pre-positioning block 9 on the inner clamping sleeve 7 respectively. When the optical fiber connector 100 is connected with the adapter 200, the D-shaped inner sleeve 1 on the connector head 110 is inserted into the D-shaped groove 18, and because the shapes of the D-shaped inner sleeve 1 and the D-shaped groove 18 are limited, only one way of inserting the D-shaped inner sleeve 1 into the D-shaped groove 18 is adopted, so that misplug can be avoided. Meanwhile, the pre-positioning block 9 and the sliding pair contact to position and guide the connection of the optical fiber connector 100 and the adapter 200, so that the connection of the optical fiber connector 100 and the adapter 200 can be realized through blind insertion in the quick connection process, errors are not prone to happening, and after the optical fiber connector 100 is connected with the adapter 200, the optical fiber connector 100 and the adapter are fastened through the inner clamping jaw 8 and the first protruding block 21 in the U-shaped groove 19, so that the optical fiber connector 100 and the adapter are fixed.
A gap is left between the outer interface 16 and the inner interface 17 as a process hole to avoid the problem that the assembly cannot be performed due to errors during processing.
The outer side of the sealing sleeve 6 is provided with a first sealing ring 22, and when the sealing sleeve 6 is arranged in the push-out pipe 5, the first sealing ring 22 is positioned between the sealing sleeve 6 and the push-out pipe 5; the second sealing ring 23 is arranged on the outer side of the inner rod member 10, and the second sealing ring 23 is positioned between the inner rod member 10 and the push-out pipe 5 when the inner rod member 10 is arranged in the push-out pipe 5. The sealing of the front end and the rear end of the push-out tube 5 can be achieved by the first sealing ring 22 and the second sealing ring 23.
The outer root of the outer interface 16 of the adapter 200 is provided with a fourth sealing ring 25, when the optical fiber connector 100 is connected with the adapter 200, the fourth sealing ring 25 is positioned between the outer interface 16 and the sealing sleeve 6, and the fourth sealing ring 25 seals the connection between the optical fiber connector 100 and the adapter 200.
The square groove 27 is formed in the sealing sleeve 6, the second protruding block 28 is arranged on the inner wall of the push-out pipe 5, and when the sealing sleeve 6 is installed in the push-out pipe 5, the second protruding block 28 is contained in the square groove 27, so that the sealing sleeve 6 is relatively and fixedly installed in the push-out pipe 5.
The middle part position of stay tube 4 is equipped with D shape boss 29, is equipped with the D type spacing groove 30 that matches with D shape boss 29 on the interior clamping sleeve 7, and D shape boss 29 holds in D type spacing groove 30, therefore, stay tube 4 is by the good support of interior clamping sleeve 7, and stay tube 4 is stable in position and is difficult for producing and rocks in interior clamping sleeve 7.
The inner clamping sleeve 7 can rotate in the push-out pipe 5, a sliding block 31 is arranged in the push-out pipe 5, an arc sliding rail 32 is arranged at the bottom of the inner clamping sleeve 7, when the inner clamping sleeve 7 is installed in the push-out pipe 5, the sliding block 31 is contained in the arc sliding rail 32, and the arc sliding rail 32 limits the rotating angle range of the inner clamping sleeve 7 in the push-out pipe 5 to be 90 degrees. The inner contour of the outer pushing tube 5 is elliptical, and when the inner clamping sleeve 7 rotates in the outer pushing tube 5, the inner clamping claw 8 sequentially passes through the major axis and the minor axis of the inner contour of the outer pushing tube 5 to change the compression state of the inner clamping claw 8, so that the conversion between the locking state and the pluggable state of the optical fiber connector 100 is realized. When the inner claw 8 is positioned at the short axis position of the inner contour of the push-out tube 5, the inner claw 8 is tightly pressed and fastened on the first boss by the push-out tube 5, and the optical fiber connector 100 is in a locking state; when the inner claw 8 is positioned at the long axis of the inner contour of the push-out tube 5, the inner claw 8 does not contact the inner wall of the push-out tube 5, and the optical fiber connector 100 is in a state of being pulled out.
The end of the sliding block 31 is provided with a positioning concave point 33, two limiting convex blocks 34 are arranged in the circular arc sliding rail 32, and the limiting convex blocks 34 are used for being clamped into the positioning concave points 33 to fix the inner clamping sleeve 7.
The sealing sleeve 6 is provided with an inclined jacking block 35, the end part of the inclined jacking block 35 is inclined, the end part of the inner clamping jaw 8 on the inner clamping sleeve 7 is inclined, when the inner clamping sleeve 7 and the sealing sleeve 6 are arranged in the push-out pipe 5, the inner clamping jaw 8 is opposite to the inclined jacking block 35 and the end surfaces of the inner clamping jaw 8 and the inclined jacking block 35 are matched, and the inclined jacking block 35 is used for propping up the inner clamping jaw 8 when the optical fiber connector 100 is pulled out.
The optical fiber connector 100 further comprises a dust cap 36, wherein the dust cap 36 is connected to the inner rod 10 through a rubber band 42, a plug 37 is arranged at one end of the dust cap 36, and the shape of the plug 37 is the same as that of the outer interface 16 on the adapter 200; the plug 37 of the dust cap 36 is provided with a third sealing ring 24.
The seal ring mounting grooves 26 are provided at positions where the first seal ring 22, the second seal ring 23, the third seal ring 24, and the fourth seal ring 25 are mounted.
The outer side of the outer push tube 5 and the D-shaped inner sleeve 1 are respectively provided with corresponding insertion arrow marks 38 for indicating the installation position of the connector in the outer push tube 5. A rotary arrow mark 39 is arranged on the adapter 200 and used for indicating the rotation direction of the push-out tube 5, and a start mark 40 and a bottom mark 41 are respectively arranged at two ends of the rotary arrow mark 39 and used for indicating the locking and the unpluggable state of the optical fiber connector 100; the start indicator 40 is in the same circumferential position on the adapter 200 as the sliding interface slot 20.
When the connector 110 is installed in the outer push tube 5, the insertion arrow mark 38 on the D-shaped inner sleeve 1 is ensured to be aligned with the insertion arrow mark 38 on the outer push tube 5 (as shown in fig. 11). When the optical fiber connector 100 is connected with the adapter 200, the insertion arrow mark 38 points to the sliding butt groove 20 and the start mark 40 at one end of the rotary arrow mark 39 (as shown in fig. 16), after insertion, the push-out tube 5 is rotated so that the insertion arrow mark 38 on the push-out tube 5 points to the bottom mark 41 at the other end of the rotary arrow mark 39 (as shown in fig. 17), and the optical fiber connector 100 is in a locking state, and when the optical fiber connector needs to be disassembled, the push-out tube 5 is reversed.
When the optical fiber connector 100 is inserted into the adapter 200, the two are directly positioned as shown in fig. 18, and the inner claw 8 is clamped into the U-shaped groove, but the inner claw 8 is not contacted with the inner wall of the push-out tube 5, and the optical fiber connector 100 is in an unlocked state.
After the outer push tube 5 is rotated to lock the optical fiber connector 100, the optical fiber connector 100 and the adapter 200 are directly positioned as shown in fig. 19, and at this time, the inner wall of the outer push tube 5 is pressed against the inner jaw 8, so that the optical fiber connector 100 is in a locked state.
When the optical fiber connector 100 is in the state of being unpluggable, the optical fiber connector 100 is unplugged, the inner claw 8 can be propped by the oblique top block 35 on the sealing sleeve 6, so that the optical fiber connector 100 can be unplugged smoothly, and fig. 21 is a state diagram when the inner claw 8 is propped by the oblique top block 35. As shown in fig. 7, a notch is left in the inclined top block 35, when the inner claw 8 faces the notch, the inclined top block 35 cannot open the inner claw 8, and the state of the optical fiber connector 100 and the adapter 200 is shown in fig. 20, so that the optical fiber connector 100 can be pulled out only when the push-out tube 5 is rotated to a specified position (i.e., unlocked state).
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The optical fiber connector and the adapter for realizing quick assembly are characterized in that the optical fiber connector (100) comprises a connecting head (110), an outer pushing tube assembly (120) and a rear assembly (130), and the connecting head (110) and the rear assembly (130) are respectively arranged in the outer pushing tube assembly (120) from two ends;
the connector (110) comprises a D-shaped inner sleeve (1), an inserting core (2), a first spring (3) and a supporting tube (4), wherein the inserting core (2) is inserted into the D-shaped inner sleeve (1) and the supporting tube (4), the first spring (3) is sleeved on the inserting core (2) and applies thrust to the inserting core (2) so that the end part of the inserting core (2) extends out of the D-shaped inner sleeve (1), and an optical fiber is inserted into the inserting core (2);
the outer pushing pipe assembly (120) comprises an outer pushing pipe (5), a sealing sleeve (6) and an inner clamping sleeve (7), wherein the sealing sleeve (6) and the inner clamping sleeve (7) are arranged in an inner cavity of the outer pushing pipe (5), a supporting pipe (4) in the connector penetrates through the sealing sleeve (6) and the inner clamping sleeve (7), and an inner clamping jaw (8) and a preset block (9) are arranged on the inner clamping sleeve (7);
the rear assembly (130) comprises an inner rod piece (10), a second spring (11), a metal ring (12), a cable buckle (13), a heat-shrinkable sleeve and a tail sleeve, wherein the inner rod piece (10) is in threaded connection with a supporting tube (4) in the connector, the second spring (11) is sleeved on the inner rod piece (10) and is arranged in the push-out tube (5), the second spring (11) is used for applying thrust force to the inner rod piece (10) back to the connector, an optical cable (43) containing optical fibers extends out of the tail part of the inner rod piece (10), the cable buckle (13) is arranged at the tail part of the inner rod piece (10) and fastens the optical cable (43), and the metal ring (12) is arranged at the outer side of the cable buckle (13) to connect the inner rod piece (10) with the cable buckle (13);
the adapter (200) is used for being connected with the adaptation of fiber connector (100), the one end of adapter (200) is equipped with outer interface (16), be equipped with in outer interface (16) interface (17), be equipped with D shape groove (18) on interior interface (17), the shape in D shape groove (18) and connector D shape endotheca (1) match, the outside of outer interface (16) is equipped with U-shaped groove (19) and slides butt joint groove (20), is equipped with first lug (21) in U-shaped groove (19), the position in U-shaped groove (19) and slide butt joint groove (20) corresponds with interior clamping jaw (8) and pre-positioning block (9) on interior clamping sleeve (7) respectively.
2. The ready-to-package fiber optic connector and adapter of claim 1,
the outer side of the sealing sleeve (6) is provided with a first sealing ring (22), and when the sealing sleeve (6) is arranged in the push-out pipe (5), the first sealing ring (22) is positioned between the sealing sleeve (6) and the push-out pipe (5);
the outer side of the inner rod piece (10) is provided with a second sealing ring (23), and when the inner rod piece (10) is arranged in the outer pushing pipe (5), the second sealing ring (23) is positioned between the inner rod piece (10) and the outer pushing pipe (5);
and a fourth sealing ring (25) is arranged at the root part of the outer side of the outer interface (16) of the adapter (200), and the fourth sealing ring (25) is positioned between the outer interface (16) and the sealing sleeve (6) when the optical fiber connector (100) is connected with the adapter (200).
3. The quick-fit optical fiber connector and adapter according to claim 1, characterized in that the sealing sleeve (6) is provided with a square groove (27), the inner wall of the push-out tube (5) is provided with a second projection (28), and the second projection (28) is accommodated in the square groove (27) when the sealing sleeve (6) is mounted in the push-out tube (5).
4. The fiber connector and adapter for realizing fast assembly according to claim 1, wherein the middle position of the supporting tube (4) is provided with a D-shaped boss (29), the inner clamping sleeve (7) is provided with a D-shaped limit groove (30) matched with the D-shaped boss (29), and the D-shaped boss (29) is accommodated in the D-shaped limit groove (30).
5. The optical fiber connector and adapter for realizing fast assembly according to claim 1, wherein the inner clamping sleeve (7) can rotate in the outer pushing tube (5), a sliding block (31) is arranged in the outer pushing tube (5), an arc sliding rail (32) is arranged at the bottom of the inner clamping sleeve (7), when the inner clamping sleeve (7) is installed in the outer pushing tube (5), the sliding block (31) is accommodated in the arc sliding rail (32), and the arc sliding rail (32) limits the rotation angle range of the inner clamping sleeve (7) in the outer pushing tube (5) to be 90 degrees;
the inner contour of the outer pushing tube (5) is elliptical, and when the inner clamping sleeve (7) rotates in the outer pushing tube (5), the inner clamping claws (8) sequentially pass through the long shaft and the short shaft of the inner contour of the outer pushing tube (5) to change the compression state of the inner clamping claws (8) so as to realize the conversion of the locking and the pluggable state of the optical fiber connector (100).
6. The quick-fit optical fiber connector and adapter according to claim 5, wherein the end of the slider (31) is provided with a positioning recess (33), two limiting projections (34) are arranged in the circular arc slide rail (32), and the limiting projections (34) are used for being clamped into the positioning recess (33) to fix the inner clamping sleeve (7).
7. The optical fiber connector and adapter for realizing fast assembly according to claim 6, wherein the sealing sleeve (6) is provided with an inclined top block (35), the end part of the inclined top block (35) is inclined, the end part of the inner clamping claw (8) on the inner clamping sleeve (7) is inclined, when the inner clamping sleeve (7) and the sealing sleeve (6) are installed in the push-out tube (5), the inner clamping claw (8) is opposite to the inclined top block (35) and the end surfaces of the inner clamping claw (8) are matched, and the inclined top block (35) is used for expanding the inner clamping claw (8) when the optical fiber connector (100) is pulled out.
8. The quick-fit optical fiber connector and adapter according to claim 1, wherein the optical fiber connector (100) further comprises a dust cap (36), the dust cap (36) is connected to the inner rod member (10) through a rubber band (42), a plug (37) is arranged at one end of the dust cap (36), and the shape of the plug (37) is identical to the shape of the outer interface (16) on the adapter (200);
a third sealing ring (24) is arranged on a plug (37) of the dustproof cap (36).
9. The ready-to-use optical fiber connector and adapter according to claim 1, characterized in that on the outer side of the outer push tube (5) and on the D-shaped inner sleeve (1) are respectively provided with a position-corresponding insertion arrow mark (38) for indicating the mounting position of the connector in the outer push tube (5).
10. The optical fiber connector and adapter for realizing fast assembly according to claim 1, wherein a rotary arrow mark (39) is arranged on the adapter (200) and used for indicating the rotation direction of the push-out tube (5), and a start mark (40) and a bottom mark (41) are respectively arranged at two ends of the rotary arrow mark (39) and used for indicating the locking and the unpluggable state of the optical fiber connector (100);
the start indicator (40) is in the same circumferential position on the adapter (200) as the sliding docking slot (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210710189.8A CN115016070B (en) | 2022-06-22 | 2022-06-22 | Optical fiber connector and adapter for realizing fast assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210710189.8A CN115016070B (en) | 2022-06-22 | 2022-06-22 | Optical fiber connector and adapter for realizing fast assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115016070A CN115016070A (en) | 2022-09-06 |
| CN115016070B true CN115016070B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210710189.8A Active CN115016070B (en) | 2022-06-22 | 2022-06-22 | Optical fiber connector and adapter for realizing fast assembly |
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| Country | Link |
|---|---|
| CN (1) | CN115016070B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2877913A1 (en) * | 2012-06-26 | 2014-01-03 | Huawei Technologies Co., Ltd. | Optical fiber connector, optical fiber adaptor and optical fiber connector assembly |
| CN109188611A (en) * | 2018-09-03 | 2019-01-11 | 华为技术有限公司 | A kind of fiber connector and optical fiber connector |
| CN109239857A (en) * | 2018-10-08 | 2019-01-18 | 长飞光纤光缆股份有限公司 | Easy grafting water proof type optical fiber connector |
| CN111033338A (en) * | 2017-06-28 | 2020-04-17 | 康宁研究与开发公司 | Compact fiber optic connector, cable assembly and method of making the same |
| CN212540781U (en) * | 2020-03-27 | 2021-02-12 | 华为技术有限公司 | Direct-insertion sealed optical fiber connector, connector and connector assembly |
-
2022
- 2022-06-22 CN CN202210710189.8A patent/CN115016070B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2877913A1 (en) * | 2012-06-26 | 2014-01-03 | Huawei Technologies Co., Ltd. | Optical fiber connector, optical fiber adaptor and optical fiber connector assembly |
| CN111033338A (en) * | 2017-06-28 | 2020-04-17 | 康宁研究与开发公司 | Compact fiber optic connector, cable assembly and method of making the same |
| CN109188611A (en) * | 2018-09-03 | 2019-01-11 | 华为技术有限公司 | A kind of fiber connector and optical fiber connector |
| CN109239857A (en) * | 2018-10-08 | 2019-01-18 | 长飞光纤光缆股份有限公司 | Easy grafting water proof type optical fiber connector |
| CN212540781U (en) * | 2020-03-27 | 2021-02-12 | 华为技术有限公司 | Direct-insertion sealed optical fiber connector, connector and connector assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115016070A (en) | 2022-09-06 |
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