CN114779409A - SC type optical fiber connector with self-locking function and unlocking method - Google Patents
SC type optical fiber connector with self-locking function and unlocking method Download PDFInfo
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- CN114779409A CN114779409A CN202210502813.5A CN202210502813A CN114779409A CN 114779409 A CN114779409 A CN 114779409A CN 202210502813 A CN202210502813 A CN 202210502813A CN 114779409 A CN114779409 A CN 114779409A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims description 181
- 239000002184 metal Substances 0.000 claims description 181
- 239000000919 ceramic Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims 2
- 239000000835 fiber Substances 0.000 claims 2
- 238000004891 communication Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000004049 embossing Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3891—Bayonet type
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to the field of optical fiber movable connectors and discloses an SC simplex connector component with a lock, which comprises an SC outer frame sleeve, an SC stop ring and an SC tail sleeve, wherein a cavity is formed between the SC outer frame sleeve and the SC stop ring; most parts are conventional standard parts in the optical communication industry, so that the optical fiber connector is simple and convenient to assemble, low in cost and convenient to produce, popularize and use in a large scale.
Description
Technical Field
The invention relates to the field of optical fiber movable connectors, in particular to an unlocking method of an SC type optical fiber connector with self-locking.
Background
The optical fiber connector is a device for detachable connection between optical fibers and equipment, and precisely butt-joints two end faces of the optical fibers, so that light energy output by the optical fiber at a transmitting end can be coupled into the optical fiber at a receiving end to the maximum extent, and the influence on a system caused by the optical fiber intervening in an optical link is minimized.
The optical fiber movable connector is widely applied to optical communication, optical sensors and other optical fiber application fields such as long-distance trunk networks, metropolitan area networks, access networks, optical fiber CATV networks, optical fiber data networks, DWDM systems and the like, and is an optical passive device with the largest number of currently used optical passive devices.
As the application field of the optical fiber technology is continuously expanded, networks such as an optical fiber television network, a high-speed local area network and a local user network are greatly developed, and requirements on optical fiber connectors are more and more required due to requirements on maintenance in aspects of measurement, switching, scheduling and the like, which promote continuous development of optical fiber connector connection technology.
However, the conventional optical fiber connector does not have a self-locking function, and after the optical fiber connector is inserted into and butted with the optical fiber connector, the optical fiber connector can be pulled out by non-professional maintenance personnel or other personnel at will, so that the optical transmission signal is cut off, and the safety of a transmission system is seriously affected.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an unlocking method of an SC-type optical fiber connector with self-locking, which solves the problems.
(II) technical scheme
In order to achieve the above purpose, the invention provides the following technical scheme: an SC type optical fiber connector with self-locking comprises an SC outer frame sleeve, an SC stop ring and an SC tail sleeve, wherein a cavity is formed between the SC outer frame sleeve and the SC stop ring, an SC ceramic ferrule, a tail handle and a first spring are arranged in the cavity, the tail handle is sleeved on the SC ceramic ferrule, the spring is sleeved on the tail handle, a small white pipe is sleeved on the outer side of the tail handle, the tail end of the first spring is sleeved with the small white pipe, the small white pipe is inserted in the SC stop ring, the inserting end of the SC stop ring is sleeved with an SC press ring, the tail end of the SC press ring is sleeved with an SC lantern ring, the SC lantern ring is provided with an SC tail sleeve at the tail part, one end of the SC stop ring is sleeved with an SC inner frame sleeve, the SC inner frame sleeve is sleeved on the outer side of the tail handle, the SC ceramic ferrule is inserted at the tail end of the tail handle, an SC dust cap is inserted at the tail end of the SC ceramic ferrule, and a locking device is arranged on the outer side of the SC outer frame sleeve corresponding to the pressing side of the SC outer frame sleeve, during assembly, the SC stopper ring is clamped into an SC buckling window of the SC inner frame sleeve, so that the SC stopper ring, the SC inner frame sleeve, the SC outer frame sleeve, the SC ceramic ferrule, the tail handle and a spring connecting component are fixedly installed, the tail end of the SC tail sleeve is provided with an optical cable, the tail end of the SC outer frame sleeve is provided with an inserted SC adapter, the outer side of the SC outer frame sleeve is provided with an unlocking device, the SC inner frame sleeve is provided with a vertically corresponding clamping protrusion, the SC outer frame sleeve is provided with a first window in a position corresponding to the clamping protrusion, and the first window is clamped with the clamping protrusion.
Preferably, the two sides of the SC inner frame sleeve are provided with SC inner frame sleeve hook fastening positions, the SC inner frame sleeve is provided with a first metal rod piece mounting groove and a second metal rod piece mounting groove, the first metal rod piece mounting groove and the second metal rod piece mounting groove are provided with metal rod piece positioning grooves, and the top of the SC inner frame sleeve is provided with an SC fastening position window.
Preferably, an SC inner shaft sleeve is arranged inside the SC adapter, an SC inner shaft sleeve hook i and an SC inner shaft sleeve hook ii are arranged on the SC inner shaft sleeve, an inclined plane i on the SC inner shaft sleeve and an inclined plane ii on the SC inner shaft sleeve are respectively arranged on the sides, close to each other, of the inner shaft sleeve hook i and the SC inner shaft sleeve hook ii, and the inclined plane i on the SC inner shaft sleeve and the inclined plane ii on the SC inner shaft sleeve are respectively clamped in the corresponding SC inner shaft sleeve hook clamping positions.
Preferably, the locking device comprises a first locking device, the first locking device comprises a first metal rod piece and a second metal rod piece, the first metal rod piece and the second metal rod piece are provided with a first metal rod piece clamping rod, the second metal rod piece is provided with a second metal rod piece clamping rod, the first metal rod piece clamping rod and the second metal rod piece clamping rod are arranged in a metal rod piece positioning groove, a first metal rod piece end and a second metal rod piece elastic piece end arranged at the tail end of the first metal rod piece and a first metal rod piece elastic piece and a second metal rod piece end are respectively clamped in a groove of the SC outer frame sleeve, a first metal rod piece mounting surface and a second metal rod piece mounting surface are respectively arranged on the first metal rod piece and the second metal rod piece, and a first metal rod piece and a first SC inner shaft sleeve contact end and a first metal rod piece and a second metal rod piece and a SC inner shaft contact end are respectively arranged on the first metal rod piece mounting surface and the second metal rod piece mounting surface And the contact end I of the metal rod piece and the SC inner shaft sleeve and the contact end II of the metal rod piece and the SC inner shaft sleeve are jointed with the corresponding inclined plane I on the SC inner shaft sleeve and the inclined plane II on the SC inner shaft sleeve.
Preferably, an SC adapter inner shaft sleeve and a U-shaped groove are arranged at two ends of the SC adapter, a boss is arranged on the SC outer frame sleeve, the U-shaped groove is clamped with the boss, two sides of the SC outer frame sleeve are provided with a second window, the SC outer frame sleeve is connected with the SC adapter in an inserting mode through the second window, the top of the SC outer frame sleeve is provided with a first window, and the SC adapter inner shaft sleeve is clamped with the SC dust cap.
Preferably, an SC retaining ring clamping ring is arranged at the front end of the SC retaining ring, the first spring is attached to the SC retaining ring clamping ring, an SC retaining ring cylindrical embossing surface is arranged at the tail of the SC retaining ring, embossing is arranged on the SC retaining ring cylindrical embossing surface, the optical cable and the SC tail sleeve are fixed on the outer side of the SC retaining ring cylindrical embossing surface in a compression joint mode, and the optical cable is in compression joint with the tail of the SC retaining ring through the SC sleeve ring.
Preferably, the unlocking device comprises a first unlocking device, two sides of the first unlocking device are provided with a second cylindrical outer stress rod and a first cylindrical outer stress rod, the first unlocking device corresponds to the inner wall of one side of the SC outer frame sleeve and is provided with a first cylinder and a second cylinder, the SC outer frame sleeve is provided with a through hole in the position corresponding to the first cylinder and the second cylinder, and the through hole is rotationally connected with the first cylinder and the second cylinder.
Preferably, the unlocking device I can be made of injection molding parts or metal machining structural parts, the SC dust cap is made of PC or other engineering plastics, the SC ceramic ferrule is made of zirconia ceramics, the spring I is made of stainless steel, the tail handle is made of copper, the small white pipe is made of Teflon, and the SC pressure ring is made of copper or aluminum; the SC lantern ring material is copper or aluminum.
Preferably, the SC tail sleeve comprises an SC tail sleeve I, the SC tail sleeve I is clamped at the tail end of the SC lantern ring, the tail end of the SC tail sleeve I is arranged and is inserted into the jack, the diameter of the inner wall of the jack is one-point six mm, two-point zero mm, three-point zero mm, four-point zero mm and the like, the inner wall of the jack is designed into parts with different specifications, and the parts are combined with the parts provided by the invention, so that the parts with different specifications of one-point six mm, two-point zero mm, three-point zero mm, four-point zero mm and the like can be obtained.
Preferably, locking device includes second unlocking ware and spring two, two joints of unlocking ware are in metal member mounting groove one and metal member mounting groove two, the both sides of unlocking ware two are provided with the arch, protruding and metal member constant head tank joint are in the same place, and the one end of unlocking ware two is provided with the end of buckling, buckle the end respectively with the SC interior axle sleeve on the inclined plane one and the SC interior axle sleeve on the inclined plane two laminate, the inside one end of unlocking ware two corresponding SC outer frame cover is provided with the end of buckling, the end of buckling of spring two and unlocking ware two extends to the inside position that corresponds SC outer frame cover through-hole of SC outer frame cover.
Preferably, the unlocking device comprises a second unlocking device, the cross section of the second unlocking device is U-shaped, and a third metal rod piece and a fourth metal rod piece are arranged at the insertion end of the second unlocking device.
Preferably, the SC tail sleeve comprises an SC tail sleeve II, and a clamping groove I and a clamping groove II are respectively formed in two sides of the SC tail sleeve II.
An unlocking method of an SC-type optical fiber connector with self-locking comprises the following steps:
the first step is as follows: pressing the locking device by using an unlocking device on two sides of the SC connector to deform the locking device, and then unlocking the adapter with the lock;
the second step: and when the SC tail sleeve adopts the SC tail sleeve II, unlocking by using the second unlocking device.
Unlocking by utilizing the following steps: pressing the U-shaped blocks at two ends of the unlocking device I inwards to enable the cylinder I and the cylinder II to respectively move towards the inside of the through hole of the SC outer frame sleeve, applying a pair of pressure F to enable the metal rod piece I and the metal rod piece II of the metal rod piece I and the metal rod piece II to simultaneously displace towards the stress direction, simultaneously enabling the metal rod piece I and the metal rod piece II of the metal rod piece I and the metal rod piece II to simultaneously displace towards the opposite direction of the force F and enable the hook I and the hook II of the inner shaft sleeve of the SC to simultaneously expand outwards so as to release the clamping connection between the SC connector and the SC adapter, manually pinching the unlocking device I while releasing the clamping connection between the SC connector and the SC adapter, and applying a pulling force of F towards the arrow direction to pull out the SC adapter, unlocking of the adapter with lock is then achieved.
Unlocking by using the second unlocking device, clamping the second unlocking device on the second SC tail sleeve, then clamping the third metal rod piece and the fourth metal rod piece in the first clamping groove and the second clamping groove, sliding along the first clamping groove and the second clamping groove, then inserting into the inner part of the SC outer frame sleeve, inserting to the bottom, and then assembling on the SC connector, at the moment, pressing the two sides of the first inner shaft sleeve hook and the second SC inner shaft sleeve hook along the first inclined plane on the SC inner shaft sleeve and the second inclined plane on the SC inner shaft sleeve, then, the bending end of the second unlocking device loses the first inner shaft sleeve hook and the second SC inner shaft sleeve hook for clamping, and then pulling out the SC adapter to achieve the unlocking function.
(III) advantageous effects
Compared with the prior art, the invention provides an SC type optical fiber connector with self-locking, which has the following beneficial effects:
1. the SC-type optical fiber connector with the self-locking function realizes the self-locking function of the SC simplex connector and ensures the safety of an optical path connecting system; most parts are conventional standard parts in the optical communication industry, so that the optical fiber connector is simple and convenient to assemble, low in cost and convenient to produce, popularize and use on a large scale.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic exploded view of the present invention;
fig. 3 is a schematic diagram of a finished product of an assembled SC simplex connector with a self-locking function according to the present invention.
Fig. 4 is a schematic view of an SC inner frame sleeve according to the present invention;
FIG. 5 is a schematic view of an SC outer frame according to the present invention;
FIG. 6 is a schematic view of a metal rod according to the present invention;
FIG. 7 is a schematic view of a second metal rod according to the present invention;
FIG. 8 is a schematic view of an SC snap ring provided in accordance with the present invention;
FIG. 9 is a schematic view of an SC inner bushing provided in accordance with the present invention;
FIG. 10 is a schematic diagram of an SC adapter provided in accordance with the present invention;
FIG. 11 is a schematic view of the unlocking device;
FIG. 12 is a schematic view of the first release latch after assembly;
FIG. 13 is a schematic view of a method of using the unlock mechanism;
FIG. 14 is a schematic view of an assembled configuration of the present invention after insertion of an SC adapter;
FIG. 15 is an enlarged view of a portion A of FIG. 14
Fig. 16 is a schematic view of a metal rod of an SC simplex connector with a self-locking structure according to the present invention, which has a first elastic end and is elastically deformed under the action of an external force;
FIG. 17 is an enlarged view of a portion of FIG. 14 at B;
FIG. 18 is a schematic view of the hook-matching end of the SC inner sleeve pressed downward by elastic deformation of an elastic end of the metal rod under the action of an external force;
FIG. 19 is a schematic view of a metal rod under a force;
FIG. 20 is a second schematic view of the locking device;
FIG. 21 is a schematic view of an SC tail sleeve;
FIG. 22 is a schematic view of the second release latch;
FIG. 23 is a schematic view of the SC tail sleeve II.
In the figure: 1. SC dust cap; 2. an SC ceramic ferrule; 3. an SC inner frame sleeve; 31. the SC inner shaft sleeve is provided with a hook buckling position; 32. a first metal rod piece mounting groove; 33. a second metal rod piece mounting groove; 34. a metal rod positioning groove; 35. an SC buckling window; 36. clamping the protrusions; 4. an SC outer frame sleeve; 41. the SC outer frame is sleeved with a through hole; 42. a first window; 43. a second window; 44. a boss; 5. a first locking device; 51. a first metal rod piece; 511. the metal rod piece is connected with a first contact end of the SC inner shaft sleeve; 512. the metal rod is clamped with the first rod; 513. a first spring piece end of the metal rod piece; 514. a first metal rod piece; 515. a first metal rod piece mounting surface; 52. a second metal rod piece; 521. the metal rod piece is in contact with the SC inner shaft sleeve through a second contact end; 522. a second metal rod clamping rod; 523. a second spring sheet end of the metal rod piece; 524. a second metal rod piece elastic sheet; 525 a second metal rod piece mounting surface; 6. a first spring; 7. a tail handle; 8. a small white tube; 9. an SC stopper ring; 91. an SC retaining ring clamping ring; 92. SC stop ring cylindrical embossing surface; 10. an SC pressure ring; 11. an SC lantern ring; 12. a first SC tail sleeve; 121. a jack; 13. an SC inner shaft sleeve; 131. the inner shaft sleeve is provided with a first hook; 132. a second shaft sleeve hook in the SC; 133. a first inclined plane on the SC inner shaft sleeve; 134. a second inclined plane on the SC inner shaft sleeve; 14. an SC adapter; 141. an SC adapter inner shaft sleeve; 142. a U-shaped groove; 15. unlocking a first lock; 151. a first cylinder; 152. a second cylinder; 153. a first stress rod outside the cylinder; 154. a second stress rod outside the cylinder; 16. an optical cable; 17. a second unlocking device; 18. a second spring; 19. a second unlocking device; 191. a third metal rod piece; 192. a metal rod member IV; 20. a second SC tail sleeve; 201. clamping the first groove; 202. and clamping the second groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-23, an SC-type optical fiber connector with self-locking includes an SC outer frame sleeve 4, an SC snap ring 9, and an SC tail sleeve, a cavity is formed between the SC outer frame sleeve 4 and the SC snap ring 9, an SC ferrule 2, a tail handle 7 and a first spring 6 are disposed inside the cavity, the tail handle 7 is sleeved on the SC ferrule 2, the first spring 6 is sleeved on the tail handle 7, a small white tube 8 is sleeved outside the tail handle 7, a tail end of the first spring 6 is sleeved with the small white tube 8, the small white tube 8 is inserted inside the SC snap ring 9, an insertion end of the SC snap ring 9 is sleeved with an SC press ring 10, a tail end of the SC ferrule 10 is sleeved with an SC lantern ring 11, an SC tail sleeve is disposed at the tail portion of the SC lantern ring 11, an SC inner frame sleeve 3 is sleeved at one end of the SC snap ring 9, the SC inner frame sleeve 3 is sleeved outside the tail handle 7, the tail end of the tail handle 7 is inserted with the SC ferrule 2, the SC dust cap 1 is inserted at the tail end of the SC ceramic ferrule 2, a locking device is arranged at the position, corresponding to the pressing side of the outer wall surface of the SC outer frame sleeve 4, of the outer side of the SC inner frame sleeve 3, the SC stop ring 9 is clamped into the SC buckling window 35 of the SC inner frame sleeve 3 during assembly, namely the SC stop ring 9, the SC inner frame sleeve 3, the SC outer frame sleeve 4, the SC ceramic ferrule 2, the tail handle 7 and the spring I6 structural part are installed and fixed, the optical cable 16 is arranged at the tail end of the SC tail sleeve, the inserted SC adapter 14 is arranged at the tail end of the SC outer frame sleeve 4, the unlocking device is arranged at the outer side of the SC outer frame sleeve 4, the SC inner frame sleeve 3 is provided with clamping protrusions 36 which vertically correspond to each other, a window I42 is arranged at the position, corresponding to the clamping protrusions 36, and the window I42 is clamped with the clamping protrusions 36.
The SC inner frame sleeve 3 is provided with SC inner shaft sleeve hook clamping positions 31 on two sides, the SC inner frame sleeve 3 is provided with a first metal rod piece mounting groove 32 and a second metal rod piece mounting groove 33, the first metal rod piece mounting groove 32 and the second metal rod piece mounting groove 33 are provided with metal rod piece positioning grooves 34, and the top of the SC inner frame sleeve 3 is provided with an SC buckling position window 35.
An SC inner shaft sleeve 13 is arranged inside the SC adapter 14, an SC inner shaft sleeve hook I131 and an SC inner shaft sleeve hook II 132 are arranged on the SC inner shaft sleeve 13, a slope I133 on the SC inner shaft sleeve and a slope II 134 on the SC inner shaft sleeve are respectively arranged on the sides, close to each other, of the SC inner shaft sleeve hook I131 and the SC inner shaft sleeve hook II 132, and the slope I133 on the SC inner shaft sleeve and the slope II 134 on the SC inner shaft sleeve are respectively clamped in the corresponding SC inner shaft sleeve hook clamping positions 31.
The locking device comprises a first locking device 5, the first locking device 5 comprises a first metal rod piece 51 and a second metal rod piece 52, the first metal rod piece 51 and the second metal rod piece 52 are provided with a first metal rod piece mounting groove 32 and a second metal rod piece mounting groove 33, the first metal rod piece 51 is provided with a first metal rod piece clamping rod 512, the second metal rod piece 52 is provided with a second metal rod piece clamping rod 522, the first metal rod piece clamping rod 512 and the second metal rod piece clamping rod 522 are mounted in a metal rod piece positioning groove 34, the first metal rod piece end 513 arranged at the tail end of the first metal rod piece 51, the first metal rod piece elastic piece 514, the second metal rod piece 52 end is provided with a second metal rod piece elastic piece 524, the second metal rod piece end 523 is clamped in a groove of the SC outer frame sleeve 4, and the first metal rod piece 51 and the second metal rod piece 52 are respectively provided with a first metal rod piece mounting surface 515 and a second metal rod mounting surface 525, the first metal rod piece mounting surface 515 and the second metal rod piece mounting surface 525 are respectively provided with a first metal rod piece and SC inner shaft sleeve contact end 511 and a second metal rod piece and SC inner shaft sleeve contact end 521, and the first metal rod piece and SC inner shaft sleeve contact end 511 and the second metal rod piece and SC inner shaft sleeve contact end 521 are attached to a first inclined surface 133 on the SC inner shaft sleeve and a second inclined surface 134 on the SC inner shaft sleeve correspondingly.
An SC adapter inner shaft sleeve 141 and a U-shaped groove 142 are arranged at two ends of the SC adapter 14, a boss 44 is arranged on the SC outer frame sleeve 4, the U-shaped groove 142 is clamped with the boss 44, two sides of the SC outer frame sleeve 4 are provided with a second window 43, the SC outer frame sleeve 4 is inserted into the SC adapter 14 through the second window 43, the top of the SC outer frame sleeve 4 is provided with a first window 42, and the SC adapter inner shaft sleeve 141 is clamped with the SC dust cap 1.
The front end of the SC stop ring 9 is provided with an SC stop ring clamping ring 91, the first spring 6 is attached to the SC stop ring clamping ring 91, the tail of the SC stop ring 9 is provided with an SC stop ring cylindrical embossed surface 92, the SC stop ring cylindrical embossed surface 92 is embossed, the optical cable 16 and the SC tail sleeve are fixedly connected to the outer side of the SC stop ring cylindrical embossed surface 92 in a compression mode through 10, and the optical cable is connected to the tail of the SC press ring 10 in a compression mode through an SC sleeve ring 11.
The unlocking device comprises a first unlocking device 15, two sides of the first unlocking device 15 are provided with a second cylindrical outer stress rod 154 and a first cylindrical outer stress rod 153, the first unlocking device 15 corresponds to the inner wall of one side of the SC outer frame sleeve 4 and is provided with a first cylinder 151 and a second cylinder 152, an SC outer frame sleeve through hole 41 is formed in the position, corresponding to the first cylinder 151 and the second cylinder 152, of the SC outer frame sleeve 4, and the SC outer frame sleeve through hole 41 is rotationally connected with the first cylinder 151 and the second cylinder 152.
The material of the unlocking device I15 can be an injection molding piece or a metal machining structural piece, the material of the SC dust cap 1 is PC or other engineering plastics, the material of the SC ceramic ferrule 2 is zirconia ceramic, the material of the spring I6 is stainless steel, the material of the tail handle 7 is copper, the material of the small white tube 8 is Teflon, and the material of the SC press ring 10 is copper or aluminum; the material of the SC collar 11 is copper or aluminum.
The SC tail sleeve comprises an SC tail sleeve I12, the SC tail sleeve I12 is clamped at the tail end of the SC lantern ring 11, the tail end of the SC tail sleeve I12 is provided with a plug-in hole 121, the plug-in hole 16 is plugged inside the plug-in hole 121, the diameter of the inner wall of the plug-in hole 121 is one point six mm, two point zero mm, three point zero mm, four point zero mm and the like, and the plug-in hole is designed into 12 with different specifications.
Locking device includes two 17 and two 18 springs of unlocking ware, two 17 joints of unlocking ware are in metal member mounting groove 32 and two 33 metal member mounting grooves, two 17's both sides of unlocking ware are provided with the arch, protruding and metal member constant head tank 34 joint are in the same place, and two 17 one ends of unlocking ware are provided with the end of buckling, buckle the end respectively with the SC interior axle sleeve on the inclined plane one 133 and the SC interior axle sleeve on the inclined plane two 134 laminating, two 17 unlocking ware correspond the inside one end of SC outer frame cover 4 and are provided with the end of buckling, the end of buckling of two 18 springs and two 17 of unlocking ware extends to the inside position that corresponds SC outer frame cover through-hole 41 of SC outer frame cover 4.
The second unlocking device 19 is U-shaped in cross section, and a third metal rod piece 191 and a fourth metal rod piece 192 are arranged at the insertion end of the second unlocking device 19.
The SC tail sleeve comprises a SC tail sleeve II 20, and a clamping groove I201 and a clamping groove II 202 are respectively formed in two sides of the SC tail sleeve II 20.
When no external force is applied, the first metal rod piece end 513 arranged at the tail end of the first metal rod piece 51, the first metal rod piece elastic piece 514 and the second metal rod piece end 523 arranged at the tail ends of the first metal rod piece 51 and the second metal rod piece 52 are naturally stretched and do not deform, the first metal rod piece contact end 511 of the first metal rod piece 51 and the first SC inner shaft sleeve contact end 511 are arranged on the second inclined surface 134 on the SC inner shaft sleeve of the SC inner shaft sleeve 13, after the SC adapter 14 is inserted, the SC inner shaft sleeve 13 arranged on the SC adapter 14 is firmly hung on the SC inner shaft sleeve hanging hook clamping position 31 of the SC inner frame sleeve 3 through the first inner shaft sleeve hanging hook 131 and the second inner shaft sleeve hanging hook 132, the connector is locked, under the condition that no special tool is used, the connection between the SC connector and the SC adapter 14 is firm, the SC connector cannot be pulled out unless a pulling force is forcibly applied, so that the first hanging hook inner shaft sleeve hanging hook 131, the second metal rod piece contact end 524 and the second metal rod piece end 523 on the SC inner shaft sleeve 13 are firmly hung on the SC inner shaft sleeve 31, And the second SC inner shaft sleeve hook 132 is broken and fails, so that the SC connector can be detached.
The scheme can adopt a multi-group combination mode, the locking device can adopt a first locking device 5 and a second locking device 17, when the SC tail sleeve is a first SC tail sleeve 12, the unlocking device adopts a first unlocking device 15, and when the SC tail sleeve is a second SC tail sleeve 20, the unlocking device adopts a second unlocking device 19.
An unlocking method of an SC-type optical fiber connector with self-locking comprises the following steps:
the first step is as follows: pressing the locking device by using an unlocking device on two sides of the SC connector to deform the locking device, and then unlocking the adapter with the lock;
the second step is that: and when the SC tail sleeve adopts the SC tail sleeve II 20, unlocking by using the second unlocking device 19.
Unlocking with 15: pressing the U-shaped blocks at the two ends of the first unlocking device 15 inwards to respectively move the first cylinder 151 and the second cylinder 152 towards the inside of the SC outer frame sleeve through hole 41, applying a pair of pressure F1 to simultaneously displace the first metal rod 51, the first metal rod elastic piece 514 and the second metal rod elastic piece 524 of the second metal rod 52 towards the stress direction, simultaneously displacing the metal rod of the first metal rod 51 and the second metal rod 52 with the first SC inner sleeve contact end 511 and the second metal rod with the second SC inner sleeve contact end 521 opposite to the force F to simultaneously expand the first SC inner sleeve hook 131 and the second SC inner hook sleeve 132 of the SC inner sleeve 13 outwards to release the clamping connection between the SC connector and the SC adapter 14, manually pinching the first unlocking device 15 while releasing the clamping connection between the SC connector and the SC adapter 14, and applying a tensile force F2 towards the arrow direction, the SC adapter 14 can be pulled out and the unlocked adapter with lock is achieved.
Unlocking by using the second unlocking device 19, clamping the second unlocking device 19 on the second SC tail sleeve 20, clamping the third metal rod 191 and the fourth metal rod 192 inside the first clamping groove 201 and the second clamping groove 202, sliding along the first clamping groove 201 and the second clamping groove 202, then inserting into the SC outer frame sleeve 4, and after inserting to the bottom, assembling on the SC connector, pressing the first inner shaft sleeve hook 131 and the second SC inner shaft sleeve hook 132 to the sides deviating from each other along the first inclined plane 133 on the SC inner shaft sleeve and the second inclined plane 134 on the SC inner shaft sleeve, then, releasing the first inner shaft sleeve hook 131 and the second SC inner shaft sleeve hook 132 from the bent end of the second unlocking device 17, and then pulling out the SC adapter 14 to achieve the unlocking function.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a take SC type fiber connector of auto-lock, includes SC frame cover (4) and SC retaining ring (9), SC tail cover, its characterized in that: a cavity is formed between the SC outer frame sleeve (4) and the SC snap ring (9), the SC ceramic ferrule (2), the tail handle (7) and the first spring (6) are arranged in the cavity, the tail handle (7) is sleeved on the SC ceramic ferrule (2), the first spring (6) is sleeved on the tail handle (7), the outer side of the tail handle (7) is sleeved with the small white tube (8), the tail end of the first spring (6) is sleeved with the small white tube (8), the small white tube (8) is inserted in the SC snap ring (9), the inserting end of the SC snap ring (9) is sleeved with the SC (10), the tail end of the compression ring SC (10) is sleeved with the SC lantern ring (11), the SC tail portion of the SC lantern ring (11) is provided with the SC tail sleeve, one end of the SC snap ring (9) is sleeved with the SC inner frame sleeve (3), and the SC inner frame sleeve (3) is sleeved on the outer side of the tail handle (7), the SC dust cap (1) is inserted at the tail end of the SC ceramic ferrule (2) in an inserting manner, a locking device is arranged at the position, corresponding to the pressing side of the outer wall surface of the SC outer frame sleeve (4), of the outer side of the SC inner frame sleeve (3), an optical cable (16) is arranged at the tail end of the SC tail sleeve, an inserted SC adapter (14) is arranged at the tail end of the SC outer frame sleeve (4), an unlocking device is arranged at the outer side of the SC outer frame sleeve (4), clamping protrusions (36) which correspond up and down are arranged on the SC inner frame sleeve (3), a first window (42) is formed at the position, corresponding to the clamping protrusions (36), of the SC outer frame sleeve (4), and the first window (42) is clamped with the clamping protrusions (36).
2. The SC type optical fiber connector with self-locking function according to claim 1, wherein: SC inner shaft sleeve hook buckling positions (31) are arranged on two sides of the SC inner frame sleeve (3), a first metal rod piece mounting groove (32) and a second metal rod piece mounting groove (33) are formed in the SC inner frame sleeve (3), a metal rod piece positioning groove (34) is formed in the first metal rod piece mounting groove (32) and the second metal rod piece mounting groove (33), and an SC buckling position window (35) is formed in the top of the SC inner frame sleeve (3);
an SC inner shaft sleeve (13) is arranged inside the SC adapter (14), an inner shaft sleeve hook I (131) and an SC inner shaft sleeve hook II (132) are arranged on the SC inner shaft sleeve (13), a slope I (133) on the SC inner shaft sleeve and a slope II (134) on the SC inner shaft sleeve are respectively arranged on the sides, close to each other, of the inner shaft sleeve hook I (131) and the SC inner shaft sleeve hook II (132), and the slope I (133) on the SC inner shaft sleeve and the slope II (134) on the SC inner shaft sleeve are respectively clamped in the corresponding SC inner shaft sleeve hook clamping positions (31).
3. The SC type optical fiber connector with self-locking function according to claim 2, wherein: the locking device comprises a first locking device (5), the first locking device (5) comprises a first metal rod piece (51) and a second metal rod piece (52), the first metal rod piece (51) and the second metal rod piece (52) are provided with a first metal rod piece mounting groove (32) and a second metal rod piece mounting groove (33), the first metal rod piece (51) is provided with a first metal rod piece clamping rod (512), the second metal rod piece (52) is provided with a second metal rod piece clamping rod (522), the first metal rod piece clamping rod (512) and the second metal rod piece clamping rod (522) are mounted in a metal rod piece positioning groove (34), a first metal rod piece elastic piece end (513) arranged at the tail end of the first metal rod piece (51), a second metal rod piece elastic piece (524) arranged at the tail ends of the first metal rod piece (514) and the second metal rod piece (52) and a second metal rod piece end (523) are clamped in a groove of the SC outer frame sleeve (4), the first metal rod piece (51) and the second metal rod piece (52) are respectively provided with a first metal rod piece mounting surface (515) and a second metal rod piece mounting surface (525), the first metal rod piece mounting surface (515) and the second metal rod piece mounting surface (525) are respectively provided with a first metal rod piece and SC inner shaft sleeve contact end (511) and a second metal rod piece and SC inner shaft sleeve contact end (521), and the first metal rod piece and SC inner shaft sleeve contact end (511) and the second metal rod piece and SC inner shaft sleeve contact end (521) are attached to a first inclined surface (133) on the SC inner shaft sleeve and a second inclined surface (134) on the SC inner shaft sleeve correspondingly.
4. The SC type optical fiber connector with self-locking function according to claim 1, wherein: the SC adapter is characterized in that an SC adapter inner shaft sleeve (141) and a U-shaped groove (142) are arranged at two ends of the SC adapter (14), a boss (44) is arranged on the SC outer frame sleeve (4), the U-shaped groove (142) is connected with the boss (44) in a clamping mode, a second window (43) is formed in two sides of the SC outer frame sleeve (4), the SC outer frame sleeve (4) is connected with the SC adapter (14) in a plugging mode through the second window (43), a first window (42) is formed in the top of the SC outer frame sleeve (4), and the SC adapter inner shaft sleeve (141) is connected with the SC dust cap (1) in a clamping mode.
5. The SC type optical fiber connector with self-locking function according to claim 1, wherein: the front end of SC snap ring (9) is provided with SC snap ring screens ring (91), and spring (6) and the laminating of SC snap ring screens ring (91), SC snap ring (9) afterbody are provided with SC snap ring cylinder knurling face (92), SC snap ring cylinder knurling face (92) are the knurling, the outside at SC snap ring cylinder knurling face (92) is fixed through (10) crimping to optical cable (16) and SC tail cover, and the optical cable passes through SC lantern ring (11) crimping at SC snap ring (10) afterbody.
6. The SC type optical fiber connector with self-locking function according to claim 1, wherein: the unlocking device comprises an unlocking device I (15), two sides of the unlocking device I (15) are provided with a cylinder outer stress rod II (154) and a cylinder outer stress rod I (153), the unlocking device I (15) corresponds to one side inner wall of the SC outer frame sleeve (4) and is provided with a cylinder I (151) and a cylinder II (152), the SC outer frame sleeve (4) corresponds to the position of the cylinder I (151) and the cylinder II (152) and is provided with an SC outer frame sleeve through hole (41), and the SC outer frame sleeve through hole (41) is rotationally connected with the cylinder I (151) and the cylinder II (152).
7. The SC type optical fiber connector with self-locking function according to claim 2, wherein: locking device includes two unlocking ware (17) and two (18) of spring, two unlocking ware (17) joints are in metal member mounting groove one (32) and metal member mounting groove two (33), the both sides of two unlocking ware (17) are provided with the arch, protruding and metal member constant head tank (34) joint together, and the one end of two unlocking ware (17) is provided with the end of buckling, and the end of buckling is laminated with inclined plane one (133) on the SC inner shaft cover that corresponds and inclined plane two (134) on the SC inner shaft cover respectively, and two unlocking ware (17) correspond the inside one end of SC outer frame cover (4) and are provided with the end of buckling, the end of buckling of two (18) of spring and two unlocking ware (17) extends to the inside position that corresponds SC outer frame cover through-hole (41) of SC outer frame cover (4).
8. The SC type optical fiber connector with self-locking function according to claim 1, wherein: the unlocking device comprises a second unlocking device (19), the cross section of the second unlocking device (19) is U-shaped, and a third metal rod piece (191) and a fourth metal rod piece (192) are arranged at the insertion end of the second unlocking device (19);
the SC tail sleeve comprises a SC tail sleeve II (20), and a clamping groove I (201) and a clamping groove II (202) are respectively formed in two sides of the SC tail sleeve II (20).
9. An unlocking method of an SC-type optical fiber connector with self-locking is characterized by comprising the following steps:
the first step is as follows: pressing the locking device by utilizing an unlocking device on two sides of the SC connector to deform the locking device, and then unlocking the adapter with the lock;
the second step: and when the SC tail sleeve adopts the SC tail sleeve II (20), unlocking by using the second unlocking device (19).
10. The method of unlocking an SC-type fiber optic connector with self-lock as claimed in claim 9, wherein: the unlocking is carried out by using (15): pressing the U-shaped blocks at two ends of the unlocking device I (15) inwards to enable the cylinder I (151) and the cylinder II (152) to move towards the inside of the SC outer frame sleeve through hole (41) respectively, applying a pair of pressure F (1) to enable the metal rod piece I (51), the metal rod piece I (514) and the metal rod piece II (524) of the metal rod piece I (52) and the metal rod piece II (524) to displace towards the stress direction simultaneously, enabling the metal rod pieces of the metal rod piece I (51) and the metal rod piece II (52) to displace in the direction opposite to the force F with the end of the SC inner shaft sleeve contact end I (511) and the end of the metal rod piece contact end II (521) of the SC inner shaft sleeve to enable the end of the SC inner shaft sleeve (13) to expand outwards simultaneously, so that the clamping connection between the SC connector and the SC adapter (14) is released, and the clamping connection between the SC connector and the SC adapter (14) is released, manually pinching the unlocking device I (15), applying a pulling force F (2) in the arrow direction, and pulling out the SC adapter (14), so as to realize the unlocking of the adapter with the lock;
in the second step, unlocking is carried out by using a second unlocking device (19), the second unlocking device (19) is clamped on a second SC tail sleeve (20), then a third metal rod piece (191) and a fourth metal rod piece (192) are clamped in the first clamping groove (201) and the second clamping groove (202) and slide along the first clamping groove (201) and the second clamping groove (202), then the first metal rod piece and the fourth metal rod piece are inserted into the SC outer frame sleeve (4) and inserted to the bottom, the SC connector can be assembled, at the moment, the first inner shaft sleeve hook (131) and the second SC inner shaft sleeve hook (132) are pressed to the sides departing from each other along the first inclined plane (133) on the SC inner shaft sleeve and the second inclined plane (134) on the SC inner shaft sleeve, then the bending end of the second unlocking device (17) loses the first inner shaft sleeve hook (131) and the second SC inner shaft sleeve hook (132) to be clamped, and the SC adapter (14) is immediately pulled out, the unlocking function is achieved.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502813.5A CN114779409B (en) | 2022-05-10 | 2022-05-10 | SC type optical fiber connector with self-locking function and unlocking method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210502813.5A CN114779409B (en) | 2022-05-10 | 2022-05-10 | SC type optical fiber connector with self-locking function and unlocking method |
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| CN114779409A true CN114779409A (en) | 2022-07-22 |
| CN114779409B CN114779409B (en) | 2024-04-12 |
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