CN105629393B - A kind of SC types joints of optical fibre - Google Patents
A kind of SC types joints of optical fibre Download PDFInfo
- Publication number
- CN105629393B CN105629393B CN201610041303.7A CN201610041303A CN105629393B CN 105629393 B CN105629393 B CN 105629393B CN 201610041303 A CN201610041303 A CN 201610041303A CN 105629393 B CN105629393 B CN 105629393B
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- CN
- China
- Prior art keywords
- lock pin
- headstock
- steel ball
- ring
- fulcrum bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
A kind of SC types joints of optical fibre disclosed by the invention, including package casing, set headstock, the first lock pin, the second lock pin, caudal peduncle, balancing spring, fulcrum bearing, beam ring nut and gum cover pipe, the end of first lock pin is extended with path connecting portion, and the center of the second lock pin respective end is provided with link slot；Elastic support is connected with the middle part of first lock pin, the outer most edge of elastic support offsets with covering the inwall of headstock；Cover and steel ball is movably equipped with mounting groove on the rear end outer wall of headstock, mounting groove, the front end outer wall of fulcrum bearing is provided with ring-type neck；The inwall of package casing is provided with the ring-type escape groove coordinated with steel ball, and the rear end of set headstock is fixedly connected with back seat, supports being provided with back-moving spring between back seat and package casing；The middle part outer wall for covering headstock is provided with large-diameter portion, and package casing is movably arranged between large-diameter portion and back seat.Simple and reasonable, quick and easy for installation, coupling efficiency of the invention is higher, stable work in work, service life are longer.
Description
Technical field
The present invention relates to optical fibre splice technical field, more particularly to a kind of SC types joints of optical fibre.
Background technology
With continuing to develop for optical communication technique, light entering and copper back, fiber to the home are widely used, and the joints of optical fibre are also wide
It is general applied among the continuing of optical fiber.The joints of optical fibre can be divided into by connector structure type：FC、SC、ST、LC、D4、DIN、
MU, MT etc..
The SC types joints of optical fibre of the prior art, such as Authorization Notice No. are CN104090342B Chinese invention patent,
Its structure includes package casing, set headstock, the first lock pin, the second lock pin, caudal peduncle, balancing spring, fulcrum bearing, beam ring nut and glue
Sleeve pipe, pullover cover for seat is in package casing, and the first lock pin and the second lock pin are to inserting in caudal peduncle, the first lock pin, the second lock pin
And caudal peduncle is fixed as one to form ferrule assembly by binding agent, caudal peduncle is sheathed in headstock, and it is outer that fulcrum bearing is sheathed on encapsulation
In shell and its front end is engaged by clamping with set headstock, and balancing spring, the socket of beam ring nut are connected between caudal peduncle and fulcrum bearing
In the tail end of fulcrum bearing, the front end sleeve of gum cover pipe is threadedly coupled in package casing and with beam ring nut.In use, first inserts
Penetrated in core in pre-buried optical fiber, the second lock pin and penetrate tail optical fiber, wherein, tail optical fiber sequentially passes through gum cover pipe, beam ring nut and fulcrum bearing
After insert in the second lock pin.Intercoupled by the end face of tail optical fiber and pre-buried optical fiber, so as to complete the transmission of optical signal.
But, this joints of optical fibre but have the disadvantage that in actual use：The first, the first lock pin and the second lock pin
Concentricity is difficult to hold when to inserting, and causes the end face of pre-buried optical fiber and tail optical fiber to be difficult to abundant coupling, influences coupling efficiency；The
Two, it is mutually inserted because above-mentioned connector needs to realize with other connectors by the first lock pin when in use, and the first lock pin
Only afterbody is plugged in caudal peduncle so that caudal peduncle is poor to the support effect of the first lock pin, causes the first lock pin in swapping process
Easily because radial force is uneven and occurs loosening phenomenon, service life is influenceed；3rd, fulcrum bearing directly passes through buckle with set headstock
Clamping, it is more inconvenient that this rigid interface arrangment is not only dismounted, and it is excessive and make to be also easy to the stress in assembling process
Into the damage of element.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple and reasonable, installation side
Just the longer SC type joints of optical fibre of quick, higher coupling efficiency, stable work in work, service life.
To achieve the above object, the present invention uses following technical scheme：
A kind of SC types joints of optical fibre of the present invention, including package casing, set headstock, the first lock pin, the second lock pin,
Caudal peduncle, balancing spring, fulcrum bearing, beam ring nut and gum cover pipe, the pullover cover for seat is in package casing, first lock pin
With the second lock pin to inserting in caudal peduncle, the first lock pin, the second lock pin and caudal peduncle are fixed as one to form lock pin group by binding agent
Part, the caudal peduncle is sheathed in headstock, and the front end of caudal peduncle offsets with set headstock, and the front end of the fulcrum bearing is inserted into set
In headstock, balancing spring is connected between caudal peduncle and fulcrum bearing, the beam ring nut is socketed on the rear end of fulcrum bearing, the glue
The front end sleeve of sleeve pipe is threadedly coupled in package casing and with beam ring nut；
The end of first lock pin is extended with path connecting portion, and path connecting portion is set with the first lock pin in concentric co-axial
Put, the center of the corresponding end of the second lock pin is provided with the link slot matched with path connecting portion, the path connecting portion
It is inserted in link slot；It is fixedly connected with the middle part of first lock pin in the elastic support for being inverted bowl-type, the elastic support
Outer most edge and the inwall of set headstock offset cooperation；
A pair of mounting grooves are arranged with the rear end outer wall of the set headstock, mounting groove insertion covers the inwall of headstock, installs
Steel ball is movably equipped with groove, the front end outer wall of the fulcrum bearing is provided with the ring-type neck being engaged with steel ball, the package casing
Inwall steel ball is supported in ring-type neck；The inwall of the package casing is additionally provided with the ring-type escape groove coordinated with steel ball,
The rear end of the set headstock is fixedly connected with back seat, and supporting to be provided between back seat and package casing is used to make ring-type escape groove away from steel
The back-moving spring of ball；The middle part outer wall of the set headstock is provided with large-diameter portion, and package casing is movably arranged between large-diameter portion and back seat.
Further, the axial length of the path connecting portion is 15~20 millimeters.
Further, it is embedded with the inwall of the link slot and the close-fitting copper sheathing of path connecting portion.
Further, the elastic support is made using vulcanization rubber.
Further, the front inner wall of the set headstock is provided with the annular projection for the cooperation that offseted with the elastic support,
The outer most edge of the elastic support is erected on annular projection.
Further, the front end of the fulcrum bearing is provided with the first inclined-plane being engaged with steel ball；The side of the ring-type neck
Wall is provided with the second inclined-plane coordinated with steel ball；The side wall of the ring-type escape groove is provided with the 3rd inclined-plane coordinated with steel ball.
Further, the rear end of the fulcrum bearing is threaded with tail optical fiber fixed seat, and the tail optical fiber fixed seat is inserted with second
Core is set in concentric co-axial.
Beneficial effects of the present invention are：The present invention by being extended path connecting portion in the end of the first lock pin, and
The respective end of second lock pin sets the link slot matched with path connecting portion, is coordinated by path connecting portion and link slot,
Fully ensure that the first lock pin and the second lock pin, to inserting concentricity when installing, improve coupling efficiency, specifically, peace
During dress, the first lock pin is linked together by path connecting portion with the second lock pin, make pre-buried optical fiber through path connecting portion from
By end and with the tail optical fiber end coupling in caudal peduncle.In addition, by setting path connecting portion and link slot, also increase effectively first
Bond area between lock pin and the second lock pin so that the stability of ferrule assembly is higher.By solid at the middle part of the first lock pin
Fixed to set the spring support that the inwall with set headstock offsets, elastic support coordinates with caudal peduncle during work so that the first lock pin exists
Radial force is more uniformly distributed during plug, so as to effectively increase the stability of the first lock pin, extends service life.By in set
The rear end of headstock sets mounting groove, and sets in mounting groove steel ball, and the front end outer wall of fulcrum bearing sets the ring coordinated with steel ball
Shape neck, the inwall of package casing sets the ring-type escape groove coordinated with steel ball, and the rear end of set headstock sets back seat, back seat and envelope
Supported between casing and set back-moving spring, during installation, be first fixed together fulcrum bearing, beam ring nut and gum cover pipe, so
After pull back package casing, make ring-type escape groove move to at steel ball opposite position, and then to set headstock interpolation enter
Fulcrum bearing, the front end of fulcrum bearing is contacted with steel ball, and steel ball is pushed against to ring-type escape groove so that the ring-type neck fortune of fulcrum bearing
Move to steel ball corresponding position, now unclamp package casing, package casing resets in the presence of back-moving spring, steel ball depart from
Ring-type escape groove and support in ring-type neck, so as to realize that the installation to fulcrum bearing is fixed, and in the prior art using rigidity
Interface arrangment is compared, and the present invention installs more convenient, and does not easily cause the damage of part in installation process.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is mplifying structure schematic diagram at A in Fig. 1；
Fig. 3 is mplifying structure schematic diagram at B in Fig. 1.
Fig. 1 is into Fig. 3：
1st, package casing；11st, ring-type escape groove；111st, the 3rd inclined-plane；2nd, headstock is covered；21st, mounting groove；22nd, steel ball；23、
Large-diameter portion；24th, annular projection；3rd, the first lock pin；31st, path connecting portion；4th, the second lock pin；41st, copper sheathing；5th, caudal peduncle；6th, balance
Spring；7th, fulcrum bearing；71st, ring-type neck；72nd, the first inclined-plane；73rd, the second inclined-plane；8th, beam ring nut；9th, gum cover pipe；10th, it is elastic
Support；12nd, back seat；121st, back-moving spring；13rd, tail optical fiber fixed seat；14th, pre-buried optical fiber；15th, tail optical fiber.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
A kind of SC types joints of optical fibre as shown in Figure 1 to Figure 3, including package casing 1, set headstock 2, the first lock pin 3, the
Two lock pins 4, caudal peduncle 5, balancing spring 6, fulcrum bearing 7, beam ring nut 8 and gum cover pipe 9, the set headstock 2 are sheathed on package casing 1
Interior, 4 pairs of the first lock pin 3 and the second lock pin are inserted in caudal peduncle 5, and the first lock pin 3, the second lock pin 4 and caudal peduncle 5 are fixed by binding agent
Ferrule assembly is formed as one, caudal peduncle 5 is sheathed in headstock 2, and the front end of caudal peduncle 5 offsets with set headstock 2, fulcrum bearing 7
Front end be inserted into set headstock 2 in, balancing spring 6 is connected between caudal peduncle 5 and fulcrum bearing 7, beam ring nut 8 is socketed on supporting
The rear end of seat 7, the front end sleeve of gum cover pipe 9 is threadedly coupled in package casing 1 and with beam ring nut 8.
The end of first lock pin 3 is extended with path connecting portion 31, and path connecting portion 31 is with the first lock pin 3 in concentric same
Axle is set, and the center of the corresponding end of the second lock pin 4 is provided with the link slot (not shown) matched with path connecting portion 31,
Path connecting portion 31 is inserted in link slot.Preferably, it is small in order that the grafting effect of the first lock pin 3 and the second lock pin 4 is more preferable
The axial length of footpath connecting portion 31 is 15~20 millimeters.It is embedded with the inwall of link slot close-fitting with path connecting portion 31
Copper sheathing 41, further increasing the tautness that path connecting portion 31 is connected with the second lock pin 4.By path connecting portion 31 with connecting
Access slot coordinates, and has fully ensured that the first lock pin 3 and the second lock pin 4, to inserting concentricity when installing, improve coupling efficiency,
Specifically, during installation, the first lock pin 3 is linked together by path connecting portion 31 with the second lock pin 4, passes through pre-buried optical fiber 14
Wear path connecting portion 31 free end and with the end coupling of tail optical fiber 15 in caudal peduncle 5.In addition, by set path connecting portion 31 with
Link slot, also increase effectively the bond area between the first lock pin 3 and the second lock pin 4 so that the stability of ferrule assembly is more
It is high.
The middle part of first lock pin 3 is fixedly connected with the elastic support 10 for being inverted bowl-type, the outermost of elastic support 10
The inwall of edge and set headstock 2 offsets cooperation.Preferably, the elastic support 10 is made using vulcanization rubber, flexibility compared with
Good, when the first lock pin 3 is by radial forces, the elastic support 10 that vulcanization rubber is made can effectively buffer the active force,
Using effect is more preferable.The front inner wall of set headstock 2 is provided with the annular projection 24 for the cooperation that offseted with elastic support 10, the elasticity
The outer most edge of support 10 is erected on annular projection 24, by setting annular projection 24, not only cause elastic support 10 install compared with
For convenience, and be conducive to improve elastic support 10 position degree.
By the way that the elastic support 10 offseted with the inwall of set headstock 2, bullet during work are fixedly installed at the middle part of the first lock pin 3
Property support 10 coordinate with caudal peduncle 5 so that the first lock pin 3 plug when radial force be more uniformly distributed, so as to effectively increase first
The stability of lock pin 3, extends service life.
A pair of mounting grooves 21 are arranged with the rear end outer wall of the set headstock 2, the insertion of mounting groove 21 covers the interior of headstock 2
Steel ball 22 is movably equipped with wall, mounting groove 21, the front end outer wall of fulcrum bearing 7 is provided with the ring-type neck 71 being engaged with steel ball 22,
The inwall of package casing 1 supports steel ball 22 in ring-type neck 71；The inwall of the package casing 1 is additionally provided with matches somebody with somebody with steel ball 22
The ring-type escape groove 11 of conjunction, the rear end of set headstock 2 is fixedly connected with back seat 12, is supported between back seat 12 and package casing 1 provided with use
In making back-moving spring 121 of the ring-type escape groove 11 away from steel ball 22；The middle part outer wall of the set headstock 2 is provided with large-diameter portion 23, envelope
Casing 1 is movably arranged between large-diameter portion 23 and back seat 12.
Preferably, the front end of the fulcrum bearing 7 is provided with the first inclined-plane 72 being engaged with steel ball 22；The ring-type neck 71
Side wall be provided with steel ball 22 coordinate the second inclined-plane 73；The side wall of the ring-type escape groove 11 is provided with the coordinated with steel ball 22
Three inclined-planes 111.Coordinated respectively with steel ball 22 by the first inclined-plane 72, the second inclined-plane 73, it is ensured that fulcrum bearing 7 in disassembly process
Fast insert-pull can be realized；When the driving package casing 1 of back-moving spring 121 resets, steel can effectively be made by the 3rd inclined-plane 111
Ball 22 departs from ring-type escape groove 11.
During installation, fulcrum bearing 7, beam ring nut 8 and gum cover pipe 9 are fixed together first, envelope is then pulled back
Casing 1, makes ring-type escape groove 11 move to at the opposite position of steel ball 22, and then inserting fulcrum bearing into set headstock 2
7, the front end of fulcrum bearing 7 is contacted with steel ball 22, and steel ball 22 is pushed against to ring-type escape groove 11 so that the ring-type card of fulcrum bearing 7
Groove 71 move to the corresponding position of steel ball 22, now unclamp package casing 1, package casing 1 is in the presence of back-moving spring 121
Reset, steel ball 22 departs from ring-type escape groove 11 and supported in ring-type neck 71, so that realize that the installation to fulcrum bearing 7 is fixed,
Compared with using rigid interface arrangment in the prior art, the present invention installs more convenient, and is difficult to make in installation process
Into the damage of part.
The rear end of the fulcrum bearing 7 is threaded with tail optical fiber fixed seat 13, and tail optical fiber fixed seat 13 is with the second lock pin 4 in concentric
It is coaxially disposed.Section that the optical fiber of tail optical fiber 15 can be had more than needed by setting tail optical fiber fixed seat 13, during installation takes shape in tail optical fiber fixed seat
Between 13 and gum cover pipe 9, when pulling force effect of the tail optical fiber 15 by optical cable, can effectively play buffering using optical fiber section more than needed should
The effect of pulling force.
Described above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application scope,
The equivalent change or modification that feature and principle are done, is included in the range of present patent application.
Claims (7)
1. a kind of SC types joints of optical fibre, including package casing (1), set headstock (2), the first lock pin (3), the second lock pin (4), tail
Handle (5), balancing spring (6), fulcrum bearing (7), beam ring nut (8) and gum cover pipe (9), it is outer that the set headstock (2) is sheathed on encapsulation
In shell (1), the first lock pin (3) and the second lock pin (4) are to inserting in caudal peduncle (5), the first lock pin (3), the second lock pin (4) and caudal peduncle
(5) it is fixed as one to form ferrule assembly by binding agent, caudal peduncle (5) is sheathed in headstock (2), and before caudal peduncle (5)
End is offseted with set headstock (2), and the front end of fulcrum bearing (7) is inserted into set headstock (2), is connected between caudal peduncle (5) and fulcrum bearing (7)
Provided with balancing spring (6), beam ring nut (8) is socketed on the rear end of fulcrum bearing (7), and the front end sleeve of gum cover pipe (9) is outer located at encapsulation
It is threadedly coupled in shell (1) and with beam ring nut (8), it is characterised in that：The end of first lock pin (3) is extended with path connection
Portion (31), path connecting portion (31) is set with the first lock pin (3) in concentric co-axial, the center of the second lock pin (4) corresponding end
Provided with the link slot matched with path connecting portion (31), path connecting portion (31) is inserted in link slot；First lock pin (3)
Middle part is fixedly connected with the elastic support (10) for being inverted bowl-type, the outer most edge and the inwall of set headstock (2) of elastic support (10)
Offset cooperation；
A pair of mounting grooves (21) are arranged with the rear end outer wall of the set headstock (2), mounting groove (21) insertion set headstock (2)
Steel ball (22) is movably equipped with inwall, mounting groove (21), the front end outer wall of fulcrum bearing (7) is provided with the ring being engaged with steel ball (22)
Shape neck (71), the inwall of package casing (1) supports steel ball (22) into ring-type neck (71)；The inwall of package casing (1)
The ring-type escape groove (11) coordinated with steel ball (22) is additionally provided with, the rear end of set headstock (2) is fixedly connected with back seat (12), back seat
(12) supporting to be provided between package casing (1) is used to make back-moving spring (121) of the ring-type escape groove (11) away from steel ball (22)；Set
The middle part outer wall of headstock (2) is provided with large-diameter portion (23), and package casing (1) is movably arranged between large-diameter portion (23) and back seat (12).
2. the SC types joints of optical fibre according to claim 1, it is characterised in that：The axial direction of the path connecting portion (31) is long
Spend for 15~20 millimeters.
3. the SC types joints of optical fibre according to claim 1, it is characterised in that：Be embedded with the inwall of the link slot with
Path connecting portion (31) close-fitting copper sheathing (41).
4. the SC types joints of optical fibre according to claim 1, it is characterised in that：The elastic support (10) is using vulcanization rubber
Glue is made.
5. the SC types joints of optical fibre according to claim 1, it is characterised in that：In the front inner wall of the set headstock (2)
Annular projection (24) provided with the cooperation that offseted with elastic support (10), the outer most edge of elastic support (10) is erected on annular projection
(24) on.
6. the SC types joints of optical fibre according to claim 1, it is characterised in that：The front end of the fulcrum bearing (7) be provided with
The first inclined-plane (72) that steel ball (22) is engaged；The side wall of ring-type neck (71) is provided with the second inclined-plane coordinated with steel ball (22)
(73)；The side wall of ring-type escape groove (11) is provided with the 3rd inclined-plane (111) coordinated with steel ball (22).
7. the SC types joints of optical fibre according to claim 1, it is characterised in that：The rear end screw thread of the fulcrum bearing (7) connects
Tail optical fiber fixed seat (13) is connected to, the tail optical fiber fixed seat (13) is set with the second lock pin (4) in concentric co-axial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610041303.7A CN105629393B (en) | 2016-01-21 | 2016-01-21 | A kind of SC types joints of optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610041303.7A CN105629393B (en) | 2016-01-21 | 2016-01-21 | A kind of SC types joints of optical fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105629393A CN105629393A (en) | 2016-06-01 |
| CN105629393B true CN105629393B (en) | 2017-09-22 |
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ID=56044500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610041303.7A Active CN105629393B (en) | 2016-01-21 | 2016-01-21 | A kind of SC types joints of optical fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105629393B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873198A (en) * | 2018-08-13 | 2018-11-23 | 北京世维通科技股份有限公司 | Optical connection component and Joining Technology |
| CN110174731A (en) * | 2018-08-21 | 2019-08-27 | 中航光电科技股份有限公司 | A kind of field optical fibers connector |
| CN110174732A (en) * | 2018-08-21 | 2019-08-27 | 中航光电科技股份有限公司 | A kind of quick terminal forming component |
| CN110146955A (en) * | 2019-06-13 | 2019-08-20 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | A kind of optical-fiber coupling connector and preparation method thereof of pluggable connection |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2564210B1 (en) * | 1984-05-11 | 1988-06-03 | Radiall Ind | METHOD FOR THE MECHANICAL LOCKING OF AN INTERIOR ELEMENT IN AN EXTERNAL BODY AND APPLICATION OF THIS METHOD TO THE PRODUCTION OF A FIBER CONNECTOR TIP |
| JPS6211806A (en) * | 1985-03-01 | 1987-01-20 | Sumitomo Electric Ind Ltd | Optical connector attaching and detaching tool |
| GB2311621A (en) * | 1996-03-27 | 1997-10-01 | Lumonics Ltd | Connector with rotatable sleeve and separated clamps |
| EP1562058B1 (en) * | 2004-02-05 | 2007-03-21 | TRUMPF Laser GmbH + Co. KG | Plug-and-socket connection for a laser light cable connector |
| CN201408271Y (en) * | 2008-12-25 | 2010-02-17 | 武汉楚星光纤应用技术有限公司 | High concentricity metalized optical fiber wire jumper connector |
| CN104090342B (en) * | 2014-06-12 | 2015-10-28 | 奉化市宇达高科光电器件有限公司 | The SC type joints of optical fibre |
-
2016
- 2016-01-21 CN CN201610041303.7A patent/CN105629393B/en active Active
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| CN105629393A (en) | 2016-06-01 |
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Effective date of registration: 20191101 Address after: No. 6, Xinyong Road, Wujin high tech Industrial Development Zone, Changzhou, Jiangsu Province Patentee after: Haoxun cable connector manufacturing (Changzhou) Co., Ltd Address before: Ruian City, Wenzhou City, Zhejiang Province, 325000 Anyang street, the new residential area of wind A Century Towers room 503 Patentee before: Shi Mingbo |
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