CN114779409B - 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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- CN114779409B CN114779409B CN202210502813.5A CN202210502813A CN114779409B CN 114779409 B CN114779409 B CN 114779409B CN 202210502813 A CN202210502813 A CN 202210502813A CN 114779409 B CN114779409 B CN 114779409B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims description 9
- 239000000919 ceramic Substances 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims description 173
- 239000002184 metal Substances 0.000 claims description 173
- 238000005452 bending Methods 0.000 claims description 15
- 238000004049 embossing Methods 0.000 claims description 10
- 230000006355 external stress Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 230000035882 stress Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 2
- 241001248531 Euchloe <genus> Species 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 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
- 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
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 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
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—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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- Physics & Mathematics (AREA)
- 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, 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 first spring is sleeved on the tail handle, a small white tube is sleeved on the outer side of the tail handle, the tail end of the first spring is sleeved with a small Bai Guan, and a small Bai Guan is inserted in the SC stop ring; and most parts are conventional standard parts in the optical communication industry, so that the assembly is simple and convenient, the cost is low, and the large-scale production and popularization and use are facilitated.
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 function.
Background
The optical fiber connector is a device for detachably connecting optical fibers with each other and optical fibers with equipment, and precisely connects two end surfaces of the optical fibers to ensure that the light energy output by the optical fiber at the transmitting end can be coupled into the optical fiber at the receiving end to the maximum extent, and the influence on a system caused by the intervention of the light energy into an optical link is minimized.
The optical fiber movable connector is widely applied to the fields of optical communication, optical sensors and other optical fiber application 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 the optical passive device with the largest quantity currently used.
As the application field of optical fiber technology is expanding, networks such as optical fiber television networks, high-speed local area networks, local user networks and the like are greatly developed, and requirements on optical fiber connectors are increasing due to the requirements on measurement, switching, scheduling and the like on maintenance, the continuous development of optical fiber connector splicing is promoted.
However, the conventional optical fiber connector does not have a self-locking function, and can be pulled out by non-professional maintenance personnel or other personnel at will after being inserted and butted, so that the cutting-off of an optical transmission signal is caused, the safety of a transmission system is seriously influenced, and therefore, the SC type optical fiber connector unlocking method with self-locking is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an unlocking method of an SC type optical fiber connector with self-locking function, which solves the problems.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a take SC type fiber connector of auto-lock, includes SC frame cover and SC snap ring, SC tail cover, form a cavity between SC frame cover and the SC snap ring, the inside of cavity is provided with SC pottery lock core, tail handle and spring one, the tail handle cup joints on the SC pottery lock core, and spring one cup joints on the tail handle, small white pipe has been cup jointed in the outside of tail handle, and the end of spring one cup joints together with small Bai Guan, and small Bai Guan pegs in the inside of SC snap ring, the grafting end of SC snap ring cup joints the SC clamping ring, and the end of SC clamping ring cup joints the SC lantern ring, and the SC lantern ring is provided with the SC tail cover for the afterbody, the one end of SC snap ring cup joints the SC inside casing cover, the outside at the tail handle is cup jointed to the SC inside casing cover, and is pegged graft the SC pottery lock core in the end of SC, and is pegged graft to the SC pottery lock core outside the SC inside casing cover outside and is provided with locking device on the SC frame cover outer wall pressing side position, and install the SC snap ring and insert in the SC inside casing cover's SC window, in the SC snap ring and SC window, SC snap ring is provided with the outside, SC connector is provided with the protruding, and is provided with the outside between SC frame, the SC connector and the SC frame and the SC connector.
Preferably, the both sides of SC inside casing cover are provided with the interior casing cover couple buckle position of SC, set up metal member mounting groove one and metal member mounting groove two on the SC inside casing cover, set up metal member constant head tank on metal member mounting groove one and the metal member mounting groove two, SC buckle position window has been seted up at SC inside casing cover top.
Preferably, an SC inner sleeve is arranged in the SC adapter, an inner sleeve hook first and an SC inner sleeve hook second are arranged on the SC inner sleeve, an inclined plane first on the SC inner sleeve and an inclined plane second on the SC inner sleeve are respectively arranged on one side, close to each other, of the inner sleeve hook first and the SC inner sleeve hook second, and the inclined plane first on the SC inner sleeve and the inclined plane second on the SC inner sleeve are respectively clamped in corresponding fastening positions of the SC inner sleeve hooks.
Preferably, the locking device comprises a first locking device, the first locking device comprises a first metal rod and a second metal rod, the first metal rod and the second metal rod are provided with a first metal rod mounting groove and a second metal rod mounting groove, the first metal rod is provided with a first metal rod clamping rod, the second metal rod is provided with a second metal rod clamping rod, the first metal rod clamping rod and the second metal rod clamping rod are arranged in a metal rod positioning groove, the first metal rod spring end arranged at one end of the first metal rod and the second metal rod spring end are respectively provided with a second metal rod spring end and a second metal rod spring end which are respectively clamped in a groove of the SC outer frame sleeve, the first metal rod mounting surface and the second metal rod mounting surface are respectively provided with a first metal rod and an SC inner shaft sleeve contact end, and a second metal rod and an SC inner shaft sleeve contact end are respectively arranged on the first metal rod and the second metal rod, and the SC inner shaft sleeve contact end are respectively attached to corresponding inclined surfaces of the first metal rod and the SC inner shaft sleeve and the second SC inner shaft sleeve.
Preferably, the both ends of SC adapter are provided with SC adapter inner shaft sleeve and U type groove, SC frame cover is last to be provided with the boss, and U type groove and boss joint are in the same place, window two has been seted up to SC frame cover's both sides, and SC frame cover is pegged graft together with the SC adapter through window two, and window one has been seted up at SC frame cover top, SC adapter inner shaft sleeve and SC shield joint.
Preferably, the front end of the SC stop ring is provided with an SC stop ring clamping ring, a first spring is attached to the SC stop ring clamping ring, the tail of the SC stop ring is provided with an SC stop ring cylindrical embossing surface, the SC stop ring cylindrical embossing surface is embossed, the optical cable and the SC tail sleeve are fixed on the outer side of the SC stop ring cylindrical embossing surface through crimping, and the optical cable is crimped on the tail of the SC press ring through an SC collar.
Preferably, the unlocking device comprises a first unlocking device, a second cylinder external stress rod and a first cylinder external stress rod are arranged on two sides of the first unlocking device, a first cylinder and a second cylinder are arranged on the inner wall of one side of the first unlocking device corresponding to the SC outer frame sleeve, SC outer frame sleeve through holes are formed in positions of the SC outer frame sleeve corresponding to the first cylinder and the second cylinder, and the SC outer frame sleeve through holes are connected with the first cylinder and the second cylinder in a rotating mode.
Preferably, the first unlocking device can be an injection molding piece or a metal machining structural piece, the SC dustproof cap material is PC or other engineering plastics, the SC ceramic ferrule material is zirconia ceramics, the first spring material is stainless steel, the tail handle material is copper, the small white pipe material is teflon, and the SC compression ring material is copper or aluminum; the SC collar material is copper or aluminum.
Preferably, the SC tail sleeve comprises a 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 provided with a socket, the socket is inserted in the jack, the diameter of the inner wall of the jack is one point six mm, two points zero mm, three points zero mm, four points zero mm and the like, and the socket is designed into different specifications, and can be combined with the parts provided by the invention to obtain the parts with different specifications of one point six mm, two points zero mm, three points zero mm, four points zero mm and the like.
Preferably, the locking device comprises a second unlocking device and a second spring, the second unlocking device is clamped in the first metal rod mounting groove and the second metal rod mounting groove, protrusions are arranged on two sides of the second unlocking device and are clamped with the metal rod positioning groove, one end of the second unlocking device is provided with a bending end, the bending end is respectively attached to the corresponding first inclined surface on the SC inner shaft sleeve and the corresponding second inclined surface on the SC inner shaft sleeve, the bending end is arranged at one end of the second unlocking device corresponding to the inner end of the SC outer frame sleeve, and the bending ends of the second spring and the second unlocking device extend to the position of the SC outer frame sleeve corresponding to the SC outer frame sleeve through hole.
Preferably, the unlocking device comprises a second unlocking device, the cross section of the second unlocking device is U-shaped, and the inserting end of the second unlocking device is provided with a third metal rod and a fourth metal rod.
Preferably, the SC tail sleeve comprises a SC tail sleeve two, and the two sides of the SC tail sleeve two are respectively provided with a clamping groove one and a clamping groove two.
An unlocking method of an SC type optical fiber connector with self-locking function comprises the following steps:
the first step: pressing the locking device by using the unlocking device on two sides of the SC connector to deform the locking device, and then unlocking the adapter with the lock;
and a second step of: when the SC tail sleeve adopts the SC tail sleeve II, the unlocking is carried out by using the unlocking device II.
Unlocking is carried out by the following steps: the U-shaped blocks at two ends on the first unlocking device are pressed inwards, so that the first cylinder and the second cylinder respectively move towards the inside of the SC outer frame sleeve through hole, a pair of pressure forces F are applied, the first metal rod piece and the second metal rod piece of the first metal rod piece and the second metal rod piece are simultaneously displaced towards the stress direction, meanwhile, the first metal rod piece and the first SC inner shaft sleeve joint end and the second metal rod piece and the second SC inner shaft sleeve joint end can be displaced in the opposite direction to the force F, the first hook inner shaft sleeve hook of the SC inner shaft sleeve and the second SC inner shaft sleeve hook are simultaneously outwards opened, the clamping connection between the SC connector and the SC adapter is released, the first unlocking device is manually pinched, and an F pulling force is applied towards the arrow direction, so that the SC adapter can be pulled out, and unlocking of the adapter with a lock is realized.
The unlocking device II is utilized to unlock, the unlocking device II is clamped on the SC tail sleeve II, then the metal rod III and the metal rod IV are clamped in the clamping groove I and the clamping groove II, the metal rod III and the metal rod IV slide along the clamping groove I and the clamping groove II, then the metal rod III and the clamping groove II are inserted into the SC outer frame sleeve, after the metal rod I and the clamping groove II are inserted into the SC outer frame sleeve, the metal rod I and the metal rod IV can be assembled on the SC connector, at the moment, the metal rod I and the metal rod IV can be pressed along the inclined plane I on the SC inner shaft sleeve and the inclined plane II on the SC inner shaft sleeve, the inner shaft sleeve hook I and the SC inner shaft sleeve hook II are mutually separated, and then the bending end of the unlocking device II loses the clamping connection of the inner shaft sleeve hook I and the SC inner shaft sleeve hook II, and then the SC adapter is pulled out, so that the unlocking function is achieved.
(III) beneficial effects
Compared with the prior art, the invention provides the SC type optical fiber connector with self-locking function, which has the following beneficial effects:
1. the SC type optical fiber connector with self-locking realizes the self-locking function of the SC simplex connector and ensures the safety of an optical path connecting system; and most parts are conventional standard parts in the optical communication industry, so that the assembly is simple and convenient, the cost is low, and the large-scale production and popularization and use are facilitated.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic diagram illustrating the disassembly of the present invention;
fig. 3 is a schematic diagram of an assembled finished product of the SC simplex connector with the self-locking function.
Fig. 4 is a schematic diagram of an SC inner frame sleeve provided by the present invention;
fig. 5 is a schematic diagram of an SC outer frame sleeve 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 diagram of a second metal rod according to the present invention;
FIG. 8 is a schematic view of an SC snap ring provided by the present invention;
FIG. 9 is a schematic diagram of an SC inner hub 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 diagram of an unlocking device;
FIG. 12 is a schematic view of an assembled unlocking device;
FIG. 13 is a schematic diagram of a method of using the unlocking device;
fig. 14 is a schematic view of an assembled structure of the SC adapter according to the present invention after insertion;
FIG. 15 is an enlarged partial schematic view of the portion A in FIG. 14
Fig. 16 is a schematic view of a metal rod member of an SC simplex connector with a self-locking structure according to the present invention having an elastic end, and being elastically deformed under the action of an external force;
FIG. 17 is an enlarged schematic view of a portion of the portion B of FIG. 14;
FIG. 18 is a schematic view showing the mating end of the sleeve hook in the SC being elastically deformed and pressed downward by an external force at an elastic end of the metal rod;
FIG. 19 is a schematic view of a metal rod under stress;
FIG. 20 is a schematic diagram of a second locking device;
FIG. 21 is a schematic view of an SC boot;
FIG. 22 is a schematic diagram of an unlocking mechanism;
fig. 23 is a schematic diagram of an SC tail sleeve.
In the figure: 1. SC dustproof cap; 2. SC ceramic ferrule; 3. SC inner frame sleeve; 31. the SC inner shaft sleeve is sleeved with a hook clamping position; 32. a first metal rod piece mounting groove; 33. a second metal rod piece mounting groove; 34. a metal rod piece positioning groove; 35. SC buckling window; 36. the clamping bulge; 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 the SC inner shaft sleeve to form a first end; 512. a first metal rod clamping rod; 513. a first elastic piece end of the metal rod piece; 514. a first metal rod piece elastic sheet; 515. a first metal rod piece mounting surface; 52. a second metal rod piece; 521. the metal rod piece is sleeved with the second end of the SC inner shaft sleeve; 522. a second metal rod clamping rod; 523. a second spring plate end of the metal rod piece; 524. a second metal rod piece elastic sheet; 525 metal rod piece mounting surface II; 6. a first spring; 7. a tail handle; 8. a small white tube; 9. an SC stop ring; 91. an SC stop ring clamping ring; 92. SC stop ring cylinder embossing surface; 10. an SC compression ring; 11. an SC collar; 12. SC tail sleeve I; 121. a jack; 13. an SC inner sleeve; 131. the first inner shaft sleeve is hooked; 132. the SC inner shaft is sleeved with a second hook; 133. slope one on SC inner shaft sleeve; 134. slope II on SC inner shaft sleeve; 14. an SC adapter; 141. SC adapter inner sleeve; 142. a U-shaped groove; 15. an unlocking device I; 151. a first cylinder; 152. a second cylinder; 153. a first stress rod outside the cylinder body; 154. a second stress rod outside the cylinder body; 16. an optical cable; 17. an unlocking device II; 18. a second spring; 19. an unlocking device II; 191. a metal rod piece III; 192. a metal rod piece IV; 20. SC tail sleeve II; 201. the first clamping groove is connected; 202. and a second clamping groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-23, an SC-type optical fiber connector with self-locking function comprises an SC outer frame sleeve 4, an SC stop ring 9, and an SC tail sleeve, wherein a cavity is formed between the SC outer frame sleeve 4 and the SC stop ring 9, an SC ceramic ferrule 2, a tail handle 7, and a spring 6 are arranged in the cavity, the tail handle 7 is sleeved on the SC ceramic ferrule 2, the spring 6 is sleeved on the tail handle 7, a small white tube 8 is sleeved on the outer side of the tail handle 7, the end of the spring 6 is sleeved with the small white tube 8, the small white tube 8 is inserted in the SC stop ring 9, an SC compression ring 10 is sleeved at the insertion end of the SC stop ring 9, an SC collar 11 is sleeved at the end of the SC compression ring 10, the SC collar 11 is provided with the SC tail sleeve at the tail, an SC inner frame sleeve 3 is sleeved at one end of the SC stop ring 9, the SC inner frame sleeve 3 is sleeved on the outer side of the tail handle 7, the end of the tail handle 7 is inserted into the SC ceramic ferrule 2, the end of the SC ceramic ferrule 2 is inserted into the SC dustproof cap 1, 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 on 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 installation and fixation between the SC stop ring 9 and 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 member are realized, the tail end of the SC tail sleeve is provided with the optical cable 16, the tail end of the SC outer frame sleeve 4 is provided with the inserted SC adapter 14, the unlocking device is arranged on the outer side of the SC outer frame sleeve 4, the SC inner frame sleeve 3 is provided with the clamping protrusions 36 corresponding to the upper and lower sides, the SC outer frame sleeve 4 is provided with the first window 42 corresponding to the clamping protrusions 36, and the first window 42 is clamped with the clamping protrusions 36.
The SC inner frame sleeve 3 is provided with SC inner frame sleeve hook clamping and buckling positions 31 on two sides, the SC inner frame sleeve 3 is provided with a first metal rod mounting groove 32 and a second metal rod mounting groove 33, the first metal rod mounting groove 32 and the second metal rod mounting groove 33 are provided with a metal rod positioning groove 34, and the top of the SC inner frame sleeve 3 is provided with an SC clamping and buckling window 35.
The inside of the SC adapter 14 is provided with an SC inner shaft sleeve 13, the SC inner shaft sleeve 13 is provided with an inner shaft sleeve hook I131 and an SC inner shaft sleeve hook II 132, one side, close to each other, of the inner shaft sleeve hook I131 and the SC inner shaft sleeve hook II 132 is respectively provided with an inclined plane I133 on the SC inner shaft sleeve and an inclined plane II 134 on the SC inner shaft sleeve, and the inclined plane I133 on the SC inner shaft sleeve and the inclined plane 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 51 and a second metal rod 52, the first metal rod 51 and the second metal rod 52 are provided with a first metal rod mounting groove 32 and a second metal rod mounting groove 33, the first metal rod 51 is provided with a first metal rod clamping rod 512, the second metal rod 52 is provided with a second metal rod clamping rod 522, the first metal rod clamping rod 512 and the second metal rod clamping rod 522 are arranged in the metal rod positioning groove 34, the first metal rod spring end 513 and the first metal rod spring end 514 which are arranged at the tail end of the first metal rod 51, the second metal rod spring end 523 are respectively clamped in grooves of the SC outer frame sleeve 4, the first metal rod 51 and the second metal rod 52 are respectively provided with a first metal rod 515 and a second metal rod mounting surface 515, the second metal rod is respectively arranged on the first metal rod mounting surface 515 and the second metal rod 52, the inner shaft sleeve contact end 511 and the second metal rod 521 are respectively sleeved on the inner shaft sleeve 521, and the inner shaft sleeve 134 correspondingly contacts the first metal rod and the second inner shaft 521, and the inner shaft sleeve 521 correspondingly contacts the first metal rod 511 and the second inner shaft 521.
The both ends of SC adapter 14 are provided with SC adapter inner axle sleeve 141 and U type groove 142, be provided with boss 44 on the SC frame cover 4, U type groove 142 and boss 44 joint are in the same place, window two 43 have been seted up to the both sides of SC frame cover 4, and SC frame cover 4 is pegged graft together with SC adapter 14 through window two 43, and window one 42 has been seted up at SC frame cover 4 top, SC adapter inner axle sleeve 141 and SC dust cap 1 joint.
The front end of the SC check ring 9 is provided with an SC check ring clamping ring 91, a first spring 6 is attached to the SC check ring clamping ring 91, the tail of the SC check ring 9 is provided with an SC check ring cylindrical embossing surface 92, the SC check ring cylindrical embossing surface 92 is embossed, the optical cable 16 and the SC tail sleeve are fixed on the outer side of the SC check ring cylindrical embossing surface 92 through 10 crimping, and the optical cable is crimped on the tail of the SC press ring 10 through an SC collar 11.
The unlocking device comprises a first unlocking device 15, a second cylinder external stress rod 154 and a first cylinder external stress rod 153 are arranged on two sides of the first unlocking device 15, a first cylinder 151 and a second cylinder 152 are respectively arranged on the inner wall of one side of the first unlocking device 15 corresponding to the SC outer frame sleeve 4, SC outer frame sleeve through holes 41 are formed in positions of the SC outer frame sleeve 4 corresponding to the first cylinder 151 and the second cylinder 152, and the SC outer frame sleeve through holes 41 are rotationally connected with the first cylinder 151 and the second cylinder 152.
The first unlocking device 15 is made of an injection molding piece or a metal machining structural piece, the SC dustproof cap 1 is made of PC or other engineering plastics, the SC ceramic ferrule 2 is made of zirconia ceramics, the first spring 6 is made of stainless steel, the tail handle 7 is made of copper, the small white pipe 8 is made of teflon, and the SC pressing ring 10 is made of copper or aluminum; the SC collar 11 material 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 sleeve ring 11, the tail end of the SC tail sleeve I12 is provided with a 121, the 16 is inserted into the jack 121, the diameter of the inner wall of the jack 121 is one point six mm, two points zero mm, three points zero mm, four points zero mm and the like, and is designed into 12 with different specifications, and the 12 is combined with the parts provided by the invention to obtain the parts with different specifications of one point six mm, two points zero mm, three points zero mm, four points zero mm and the like.
The locking device comprises a second unlocking device 17 and a second spring 18, wherein the second unlocking device 17 is clamped in a first metal rod mounting groove 32 and a second metal rod mounting groove 33, protrusions are arranged on two sides of the second unlocking device 17 and are clamped with a metal rod positioning groove 34, one end of the second unlocking device 17 is provided with a bending end, the bending end is respectively attached to a first inclined surface 133 on a corresponding SC inner shaft sleeve and a second inclined surface 134 on the corresponding SC inner shaft sleeve, the second unlocking device 17 is provided with a bending end corresponding to one end inside the SC outer frame sleeve 4, and the bending ends of the second spring 18 and the second unlocking device 17 extend to positions corresponding to SC outer frame sleeve through holes 41 inside the SC outer frame sleeve 4.
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 191 and a fourth metal rod 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 clamping grooves I and II 202 are respectively formed in two sides of the SC tail sleeve II 20.
When no external force is applied, the metal rod spring piece end 513 arranged at the tail end of the metal rod piece I51 and the metal rod spring piece I514 and the metal rod piece 52 are provided with the metal rod spring piece II 524 and the metal rod spring piece end II 523 which are naturally spread, deformation does not occur, the metal rod piece of the metal rod piece I51 and the SC inner shaft sleeve contact end I511 are arranged on the inclined surface II 134 on the SC inner shaft sleeve 13, after the SC adapter 14 is inserted, the SC inner shaft sleeve 13 carried by the SC adapter 14 is inserted, the locking of the connector is realized through the inner shaft sleeve hook I131 and the inner shaft sleeve hook II 132, the connection between the SC connector and the SC adapter 14 is firm under the condition that no special tool is used, the SC connector cannot be pulled out, and the SC connector cannot be detached unless a pulling force is applied forcedly, so that the hook inner shaft sleeve 131 on the SC inner shaft sleeve 13 and the SC inner shaft sleeve hook II 132 break and fail.
The scheme can adopt a plurality of groups of combination modes, 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 function comprises the following steps:
the first step: pressing the locking device by using the unlocking device on two sides of the SC connector to deform the locking device, and then unlocking the adapter with the lock;
and a second step of: when the SC tail sleeve adopts the SC tail sleeve II 20, the unlocking is performed by the unlocking device II 19.
Unlocking was performed using 15: the U-shaped blocks at two ends of the first unlocking device 15 are pressed inwards, so that the first cylinder 151 and the second cylinder 152 respectively move towards the inside of the SC outer frame sleeve through hole 41, a pair of pressure forces F1 are applied, the first metal rod piece 51, the second metal rod piece 52, the first metal rod piece 514 and the second metal rod piece 524 are simultaneously displaced towards the stress direction, meanwhile, the first metal rod piece 51, the second metal rod piece 52, the first SC inner shaft sleeve joint end 511, the second metal rod piece and the second SC inner shaft sleeve joint end 521 are displaced in the opposite direction to the force F, the first shaft sleeve hooks 131 in the hooks of the SC inner shaft sleeve 13 and the second shaft sleeve hooks 132 are simultaneously outwards opened, the clamping connection between the SC connector and the SC adapter 14 is released, the first unlocking device 15 is manually pinched, and the SC adapter 14 is pulled out by applying a pulling force F2 towards the arrow direction, and accordingly unlocking of the SC adapter with the lock is achieved.
The unlocking device II 19 is utilized to unlock, the unlocking device II 19 is clamped on the SC tail sleeve II 20, then the metal rod III 191 and the metal rod IV 192 are clamped in the clamping groove I201 and the clamping groove II 202, slide along the clamping groove I201 and the clamping groove II 202, then insert into the SC outer frame sleeve 4, insert into the bottom, then be assembled on the SC connector, at the moment, the inner shaft sleeve hook I131 and the SC inner shaft sleeve hook II 132 are pressed towards the opposite sides along the inclined plane I133 on the SC inner shaft sleeve and the inclined plane II 134 on the SC inner shaft sleeve, then the bending end of the unlocking device II 17 is not clamped by the inner shaft sleeve hook I131 and the SC inner shaft sleeve hook II 132, and then the SC adapter 14 is pulled out to achieve the unlocking function.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a take SC fiber connector of auto-lock, includes SC frame cover (4) and SC snap ring (9), SC tail cover, its characterized in that: the utility model discloses a dustproof device, including SC frame cover (4) and SC snap ring (9), form a cavity between SC frame cover (4) and SC snap ring (9), the inside of cavity is provided with SC ceramic lock pin (2), tail handle (7) and spring one (6), tail handle (7) cup joints on SC ceramic lock pin (2), spring one (6) cup joints on tail handle (7), little white pipe (8) have been cup jointed in the outside of tail handle (7), the end of spring one (6) cup joints with little white pipe (8) together, little white pipe (8) are pegged graft in the inside of SC snap ring (9), SC clamping ring (10) have been cup jointed to the grafting end of SC snap ring (9), SC clamping ring (11) have been cup jointed at the end of SC clamping ring (10) for the afterbody is provided with SC tail cover, SC inner frame cover (3) have been cup jointed in the one end of SC snap ring (9), SC inner frame cover (3) cup joint in the outside of tail handle (7), SC ceramic lock pin (2) are pegged graft SC ceramic lock pin (2), SC end cap (SC) have the outer frame (16) to be provided with on the outer frame cover (4), the SC outer frame sleeve (4) is provided with an unlocking device, the SC inner frame sleeve (3) is provided with a clamping protrusion (36) which corresponds up and down, the SC outer frame sleeve (4) is provided with a first window (42) which corresponds to the clamping protrusion (36), and the first window (42) is clamped with the clamping protrusion (36);
the SC inner frame sleeve comprises an SC inner frame sleeve (3) and is characterized in that both sides of the SC inner frame sleeve (3) are provided with SC inner frame sleeve hook clamping positions (31), 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 first 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 clamping position window (35) is formed in the top of the SC inner frame sleeve (3);
an SC inner shaft sleeve (13) is arranged in the SC adapter (14), an SC inner shaft sleeve hook I (131) and an SC inner shaft sleeve hook II (132) are arranged on the SC inner shaft sleeve (13), an SC inner shaft sleeve hook I (133) and an SC inner shaft sleeve hook II (132) are respectively arranged on one side, close to each other, of the SC inner shaft sleeve, an SC inner shaft sleeve inclined surface I (133) and an SC inner shaft sleeve inclined surface II (134) are respectively arranged, and the SC inner shaft sleeve inclined surface I (133) and the SC inner shaft sleeve inclined surface II (134) are respectively clamped in 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 (51) and a second metal rod (52), the first metal rod (51) and the second metal rod (52) are provided with a first metal rod clamping rod (512) and a second metal rod (33), the first metal rod (51) is provided with a second metal rod clamping rod (522), the first metal rod clamping rod (512) and the second metal rod clamping rod (522) are arranged in a first metal rod positioning groove (34), the first metal rod (51) is provided with a first metal rod spring end (513) and the second metal rod spring end (514) at the tail end, the second metal rod (52) is provided with a second metal rod spring end (524) and a second metal rod spring end (523) which are clamped in grooves of the SC outer frame sleeve (4), the first metal rod (51) and the second metal rod (52) are respectively provided with a first metal rod (515) and a second metal rod (515) which are respectively contacted with a first metal rod mounting surface (525) and a second metal rod (SC) which are respectively sleeved with a second metal shaft sleeve (511), the metal rod piece is jointed with the first inner shaft sleeve contact end (511) of the SC and the second inner shaft sleeve contact end (521) of the metal rod piece is jointed with the corresponding first inclined surface (133) and the second inclined surface (134) of the SC inner shaft sleeve;
the SC adapter comprises an SC adapter body and 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 body (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 spliced with the SC adapter body (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 an SC dust cap (1);
the front end of the SC stop ring (9) is provided with an SC stop ring clamping ring (91), a 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 embossing surface (92), the SC stop ring cylindrical embossing surface (92) is embossed, the optical cable (16) and the SC tail sleeve are fixedly pressed and connected to the outer side of the SC stop ring cylindrical embossing surface (92) through a (10), and the optical cable is pressed and connected to the tail of the SC press ring (10) through an SC collar (11);
the unlocking device comprises a first unlocking device (15), a second cylinder external stress rod (154) and a first cylinder external stress rod (153) are arranged on two sides of the first unlocking device (15), a first cylinder (151) and a second cylinder (152) are arranged on one side inner wall of the first unlocking device (15) corresponding to the first SC frame sleeve (4), SC frame sleeve through holes (41) are formed in positions of the first SC frame sleeve (4) corresponding to the first cylinder (151) and the second cylinder (152), and the SC frame sleeve through holes (41) are connected with the first cylinder (151) and the second cylinder (152) in a rotating mode.
2. The self-locking SC fiber optic connector of claim 1, wherein: the locking device comprises a second locking device (17) and a second spring (18), wherein the second locking device (17) is clamped in a first metal rod mounting groove (32) and a second metal rod mounting groove (33), protrusions are arranged on two sides of the second locking device (17), the protrusions are clamped with a metal rod positioning groove (34), a bending end is arranged at one end of the second locking device (17), the bending end is respectively attached to a first inclined surface (133) on a corresponding SC inner shaft sleeve and a second inclined surface (134) on the SC inner shaft sleeve, the bending end is arranged at one end of the second locking device (17) corresponding to the inner part of the SC outer frame sleeve (4), and the bending ends of the second spring (18) and the second locking device (17) extend to positions, corresponding to SC outer frame sleeve through holes (41), inside the SC outer frame sleeve (4).
3. The self-locking SC fiber optic connector of claim 2, 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 an SC tail sleeve II (20), and clamping grooves I (201) and clamping grooves II (202) are respectively formed in two sides of the SC tail sleeve II (20).
4. A self-locking SC-type optical fiber connector according to claim 3, wherein the unlocking method comprises the steps of:
the first step: pressing the locking device by using a first unlocking device (15) on two sides of the SC type optical fiber connector to deform the locking device, and then unlocking the adapter with the lock;
and a second step of: when the SC tail sleeve adopts the SC tail sleeve II (20), the unlocking is carried out by utilizing the unlocking device II (19);
the first unlocking device (15) is used for unlocking: the U-shaped blocks at two ends of the first unlocking device (15) are pressed inwards, so that the first cylinder (151) and the second cylinder (152) respectively move towards the inside of the SC outer frame sleeve through hole (41), a pair of pressure forces F (1) are applied, so that the first metal rod piece (51), the first metal rod piece (514) of the second metal rod piece (52) and the second metal rod piece (524) are simultaneously displaced towards the stress direction, meanwhile, the first metal rod piece (51), the second metal rod piece (52) and the first SC inner shaft sleeve contact end (511) and the second SC inner shaft sleeve contact end (521) can generate displacement in the opposite direction to the force F, the first hook inner shaft sleeve hook (131) and the second SC inner shaft sleeve hook (132) of the SC inner shaft sleeve (13) are simultaneously outwards opened, the clamping connection between the SC optical fiber connector and the SC adapter (14) is released, the first unlocking device (15) is manually clamped, and the pulling force F2 is applied towards the arrow direction, so that the SC adapter (14) can be unlocked;
in the second step, the unlocking device II (19) is used for unlocking, the unlocking device II (19) is clamped on the SC tail sleeve II (20), then the metal rod III (191) and the metal rod IV (192) are clamped in the clamping groove I (201) and the clamping groove II (202), sliding is carried out along the clamping groove I (201) and the clamping groove II (202), then the unlocking device II is inserted into the SC outer frame sleeve (4), and after being inserted into the bottom, the unlocking device II can be assembled on the SC optical fiber connector, at the moment, the inner sleeve hook I (131) and the SC inner sleeve hook II (132) are pressed to the sides deviating from each other along the inclined plane I (133) on the SC inner sleeve and the inclined plane II (134) on the SC inner sleeve, and then the bending end of the locking device II (17) is clamped along the clamping groove I (201) and the SC inner sleeve hook II (132), and the SC adapter (14) are immediately pulled out, so that the unlocking function is achieved.
Priority Applications (1)
| 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 |
|---|---|---|---|
| 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 CN114779409A (en) | 2022-07-22 |
| CN114779409B true CN114779409B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210502813.5A Active CN114779409B (en) | 2022-05-10 | 2022-05-10 | SC type optical fiber connector with self-locking function and unlocking method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018023837A1 (en) * | 2016-08-03 | 2018-02-08 | 罗森伯格（上海）通信技术有限公司 | Optical fiber connector |
| CN110007405A (en) * | 2019-02-11 | 2019-07-12 | 讯达康通讯设备(惠州)有限公司 | With self-locking twin fiber cable connector and its assembling structure and disassembly and unlocking tool |
| CN110133805A (en) * | 2019-04-18 | 2019-08-16 | 讯达康通讯设备(惠州)有限公司 | A kind of rotary self-locking SC type optical connector and its assembling structure |
| CN110749961A (en) * | 2019-11-27 | 2020-02-04 | 惠州市飞博康实业有限公司 | SC type fiber connector and SC type fiber adapter |
| CN214503961U (en) * | 2021-04-26 | 2021-10-26 | 长飞光纤光缆股份有限公司 | SC fiber connector assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2722548C1 (en) * | 2016-09-30 | 2020-06-01 | Хуавэй Текнолоджиз Ко., Лтд. | Fibre-optic plug, fibre-optic adapter and fibre-optic connector unit |
-
2022
- 2022-05-10 CN CN202210502813.5A patent/CN114779409B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018023837A1 (en) * | 2016-08-03 | 2018-02-08 | 罗森伯格（上海）通信技术有限公司 | Optical fiber connector |
| CN110007405A (en) * | 2019-02-11 | 2019-07-12 | 讯达康通讯设备(惠州)有限公司 | With self-locking twin fiber cable connector and its assembling structure and disassembly and unlocking tool |
| CN110133805A (en) * | 2019-04-18 | 2019-08-16 | 讯达康通讯设备(惠州)有限公司 | A kind of rotary self-locking SC type optical connector and its assembling structure |
| CN110749961A (en) * | 2019-11-27 | 2020-02-04 | 惠州市飞博康实业有限公司 | SC type fiber connector and SC type fiber adapter |
| CN214503961U (en) * | 2021-04-26 | 2021-10-26 | 长飞光纤光缆股份有限公司 | SC fiber connector assembly |
Non-Patent Citations (1)
| Title |
|---|
| 基于有限元分析的陶瓷插针体装配设备研究;边建潇;;陇东学院学报;20170915(第05期);全文 * |
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| CN114779409A (en) | 2022-07-22 |
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