WO2023140287A1 - 光ファイバのパッケージ、パッケージ品、及び光ファイバの取り出し方法 - Google Patents

光ファイバのパッケージ、パッケージ品、及び光ファイバの取り出し方法 Download PDF

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Publication number
WO2023140287A1
WO2023140287A1 PCT/JP2023/001353 JP2023001353W WO2023140287A1 WO 2023140287 A1 WO2023140287 A1 WO 2023140287A1 JP 2023001353 W JP2023001353 W JP 2023001353W WO 2023140287 A1 WO2023140287 A1 WO 2023140287A1
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WO
WIPO (PCT)
Prior art keywords
optical fiber
connector
package
mounting
base
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.)
Ceased
Application number
PCT/JP2023/001353
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English (en)
French (fr)
Japanese (ja)
Inventor
潤治 福井
芳享 為國
久比古 生川
裕史 松本
テゥアン ギアー ズォン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Optifrontier Co Ltd
Original Assignee
Sumitomo Electric Optifrontier Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Optifrontier Co Ltd filed Critical Sumitomo Electric Optifrontier Co Ltd
Priority to US18/832,022 priority Critical patent/US20250093610A1/en
Priority to JP2023575275A priority patent/JPWO2023140287A1/ja
Publication of WO2023140287A1 publication Critical patent/WO2023140287A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4457—Bobbins; Reels
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4471—Terminating devices ; Cable clamps
    • G02B6/44785—Cable clamps

Definitions

  • Patent Literature 1 and Patent Literature 2 disclose a storage case that houses an optical fiber having connectors at both ends.
  • the storage case disclosed in Patent Document 1 includes a main body and a bobbin around which an optical fiber is wound.
  • the bobbin is rotatably housed in the main body.
  • the optical fiber wound around the bobbin is accommodated in a space surrounded by the inner peripheral wall of the main body and the upper and lower flanges of the bobbin.
  • Each connector is fixed at a predetermined position in the housing case.
  • the storage case disclosed in Patent Document 2 includes a main body, a bobbin around which an optical fiber is wound, and an upper lid that covers the main body, the bobbin, and the optical fiber.
  • the bobbin is rotatably housed in the main body.
  • the optical fiber wound around the bobbin is accommodated in the space surrounded by the inner peripheral wall of the main body, the bobbin and the upper cover.
  • Patent Literature 2 further discloses stacking a plurality of storage cases. Also in the storage case of Patent Document 2, each connector is fixed at a predetermined position.
  • the optical fiber package of the present disclosure includes: A package configured to contain an optical fiber having a connector attached to at least one end, the package comprising: a base portion having a flat surface; a plurality of projecting portions projecting from the plane of the base portion and arranged along the outer circumference of the base portion; a first mounting portion to which the connector of the optical fiber is mounted; a plurality of drop-off prevention parts configured to regulate the position of the optical fiber; the plurality of protrusions are configured such that the optical fiber is wound along a part of the outer periphery of each of the plurality of protrusions;
  • the first mounting portion includes a locking portion provided to lock the first mounting portion to the outer peripheral edge of the base portion or the optical fiber.
  • the Package Product of the present disclosure includes: an optical fiber having a connector attached to at least one end; a package of the optical fiber; The optical fiber is housed in a package of the optical fiber, The connector is attached to the first attachment portion, The first mounting portion is engaged with the optical fiber wound over the outer peripheral edge portion of the base portion or the plurality of protrusions.
  • the optical fiber extracting method of the present disclosure includes: A method for extracting an optical fiber from a packaged product in which an optical fiber having a connector attached to at least one end thereof is wound and the connector is locked near the outer periphery of the package, the method comprising: removing the connector of each of the optical fibers from a plurality of the packages; stacking a plurality of said packages and attaching them to a rotatable jig; A step of collectively pulling the connectors or a part of the optical fibers connected to the connectors respectively removed from the plurality of packages attached to the jig is performed.
  • the optical fiber extracting method of the present disclosure includes: A package product in which an optical fiber having a connector attached to at least one end is wound around the package of the optical fiber, wherein the connector is locked to the optical fiber wound over the outer peripheral edge of the base portion or the plurality of projections, and the optical fiber is taken out using a jig,
  • the jig is a shaft to which the package is attached; a support portion provided on the shaft portion and having a mounting surface on which the package can be mounted; a grasped portion that rotatably supports the shaft; a contact portion provided at an end portion of the shaft portion and having a contact surface that contacts the gripped portion when the shaft portion is displaced relative to the gripped portion in a rotation axis direction;
  • the method includes: removing the connector of each of the optical fibers from a plurality of the packages; a step of stacking a plurality of the package products and attaching them to the jig; A step of collectively pulling the connectors or a part of the optical fiber
  • FIG. 1 is a perspective view of an optical fiber package according to a first embodiment of the present disclosure
  • FIG. 2 is a perspective view showing the back surface of the package shown in FIG. 1.
  • FIG. 3 is a perspective view showing the first mounting part separated from the package shown in FIG. 1.
  • FIG. 4 is a cross-sectional view of the first mounting portion shown in FIG. 3.
  • FIG. 5 is an enlarged schematic view of a second mounting portion of the package shown in FIG. 1;
  • FIG. 6 is an enlarged schematic diagram of a second mounting portion of the package shown in FIG.
  • FIG. 7 is a top view showing an optical fiber package product according to the first embodiment of the present disclosure.
  • FIG. 8 is a cross-sectional view taken along line AA shown in FIG. FIG.
  • FIG. 9 is a perspective view showing a first attachment portion of an optical fiber package according to a second embodiment of the present disclosure
  • 10 is a perspective view showing a modification of the first mounting portion shown in FIG. 9.
  • FIG. FIG. 11 is a perspective view showing an optical fiber package according to a second embodiment of the present disclosure.
  • FIG. 12 is an enlarged schematic view of the first mounting portion of the package shown in FIG. 11;
  • FIG. 13 is a cross-sectional view taken along line BB shown in FIG.
  • FIG. 14 is a perspective view showing a first attachment portion of an optical fiber package according to a third embodiment of the present disclosure;
  • FIG. 15 is a perspective view showing an optical fiber package according to the third embodiment of the present disclosure.
  • FIG. 16 is a cross-sectional view cut along line CC shown in FIG. FIG.
  • FIG. 17 is a perspective view of a multi-stacking jig used to extract optical fibers from packages.
  • FIG. 18 is a perspective view showing a state in which packages are attached to the multi-stacking jig shown in FIG. 17.
  • FIG. 19 is a schematic diagram for explaining a method of extracting optical fibers from a plurality of packages using the multi-stacking jig of FIG.
  • An object of the present disclosure is to provide an optical fiber package, a packaged product, and an optical fiber extraction method with high workability.
  • An optical fiber package includes: A package configured to contain an optical fiber having a connector attached to at least one end, the package comprising: a base portion having a flat surface; a plurality of projecting portions projecting from the plane of the base portion and arranged along the outer circumference of the base portion; a first mounting portion to which the connector of the optical fiber is mounted; a plurality of drop-off prevention parts configured to regulate the position of the optical fiber; the plurality of protrusions are configured such that the optical fiber is wound along a part of the outer periphery of each of the plurality of protrusions;
  • the first mounting portion includes a locking portion provided to lock the first mounting portion to the outer peripheral edge of the base portion or the optical fiber.
  • the locking portion is provided to lock the first mounting portion to the outer peripheral edge portion of the base portion,
  • the first mounting portion includes a first connector fixing portion that fixes the connector,
  • the first connector fixing portion may have a C-shaped cross section, and may be configured to mount the connector in a space connected to the opening. According to this configuration, it is possible to provide an optical fiber package having a simple structure and high workability.
  • the first mounting portion includes two or more of the locking portions, The first mounting part, the first connector fixing portion fixing the rear end portion of the connector; A second connector fixing portion for fixing a portion other than the rear end portion of the connector may be further provided. According to this configuration, it is possible to fix the first mounting portion to the base more strongly. In addition, it is possible to fix the connector more strongly at the first mounting portion.
  • the locking portion may lock the first mounting portion to the optical fiber by being inserted between a portion of the optical fiber wound over the plurality of protrusions and another portion of the optical fiber, or between the optical fiber and the base portion. According to this configuration, it is possible to provide an optical fiber package having a simple structure and high workability.
  • the second mounting portion may project from the flat surface of the base portion, be disposed so as to face each other in a first direction intersecting the direction of projection from the flat surface of the base portion, and be configured by a pair of gripping portions located closer to the center of the base portion than the plurality of protrusions. According to this configuration, it is possible to strongly fix the connector provided at one end of the optical fiber in the second attachment portion.
  • the second mounting part since the second mounting part is closer to the center of the base than the plurality of projections, the second mounting part does not interfere when the optical fiber is wound over the plurality of projections, so workability can be further improved.
  • a rib protruding from the plane of the base portion and provided along the outer peripheral edge portion of the base portion may be provided.
  • Portions of the outer periphery of the base portion corresponding to the plurality of projecting portions may protrude outward from other portions of the outer periphery of the base portion.
  • the first mounting portion may be integrally molded with the base portion and may be easily separable. According to this configuration, manufacturing is facilitated, and manufacturing costs can be reduced.
  • a packaged product is an optical fiber having a connector attached to at least one end; an optical fiber package according to any one of (1) to (8) above; The optical fiber is housed in a package of the optical fiber, The connector is attached to the first attachment portion, The first attachment portion may be engaged with the optical fiber wound over the outer peripheral edge portion of the base portion or the plurality of protrusions.
  • the present disclosure provides an optical fiber housed in a single package so that the optical fiber can be easily removed from the package. In addition, it is easy to lock and remove the connector from the package.
  • a method for extracting an optical fiber according to an aspect of the present disclosure includes: A method for extracting an optical fiber from a packaged product in which an optical fiber having a connector attached to at least one end thereof is wound and the connector is locked near the outer periphery of the package, the method comprising: removing the connector of each of the optical fibers from a plurality of the packages; stacking a plurality of said packages and attaching them to a rotatable jig; A step of collectively pulling the connectors or a part of the optical fibers connected to the connectors respectively removed from the plurality of packages attached to the jig is performed.
  • the optical fiber can be easily removed from the package because the package rotates together with the jig when the connector or a portion of the optical fiber is pulled. Also, the optical fibers can be collectively taken out from a plurality of packages by one pulling operation. Moreover, since the connector is locked near the outer circumference of the package, it can be removed either before or after mounting the package on the jig. Therefore, the degree of freedom of work is increased.
  • a method for extracting an optical fiber according to an aspect of the present disclosure includes: A method for extracting the optical fiber from the packaged product in which an optical fiber having a connector attached to at least one end thereof is wound around the optical fiber package according to any one of the above (1) to (8), wherein the connector is locked to the optical fiber wound over the outer peripheral edge of the base portion or the plurality of protrusions, using a jig,
  • the jig is a shaft to which the package is attached; a support portion provided on the shaft portion and having a mounting surface on which the package can be mounted; a grasped portion that rotatably supports the shaft; a contact portion provided at an end portion of the shaft portion and having a contact surface that contacts the gripped portion when the shaft portion is displaced relative to the gripped portion in a rotation axis direction;
  • the method includes: removing the connector of each of the optical fibers from a plurality of the packages; a step of stacking a plurality of the package products and attaching them to the j
  • the optical fiber can be easily removed from the package because the package rotates together with the jig when the connector or a portion of the optical fiber is pulled. Also, the optical fibers can be collectively taken out from a plurality of packages by one pulling operation. Moreover, since the connector is locked near the outer circumference of the package, it can be removed either before or after mounting the package on the jig. Therefore, the degree of freedom of work is increased.
  • FIG. 1 is a perspective view of an optical fiber package 1 according to a first embodiment of the present disclosure.
  • FIG. 2 is a perspective view showing the back surface of the package 1 shown in FIG.
  • FIG. 3 is a perspective view showing the first mounting portion 42 separated from the package 1 shown in FIG.
  • FIG. 4 is a cross-sectional view of the first mounting portion 42 shown in FIG. 5 and 6 are enlarged schematic diagrams of the second mounting portion 41 of the package 1 shown in FIG.
  • FIG. 7 is a top view showing an optical fiber package 1A according to the first embodiment.
  • FIG. 8 is a cross-sectional view taken along line AA shown in FIG.
  • the surface shown in FIG. 1 is also called the first surface
  • the surface shown in FIG. 2 back surface of the first surface
  • the package 1 includes a base portion 2 having a flat surface 21, a plurality of protrusions 3, a mounting portion 4, a plurality of fall prevention portions 5, connecting portions 6A and 6B, and a central protrusion 7.
  • arrow D1 indicates a direction perpendicular to plane 21 of base portion 2 (hereinafter referred to as direction D1).
  • An arrow D2 indicates a direction that intersects the direction D1 (perpendicular to the direction D1) (hereinafter referred to as direction D2).
  • the package 1 is configured to accommodate an optical fiber X wound with a connector attached to at least one end thereof.
  • the optical fiber X is a connectorized optical fiber having a first connector X2 and a second connector X1 at each end.
  • the first connector X2 and the second connector X1 in this example have the same shape, they may have different shapes.
  • the optical fiber X has only one connector, the end without the connector is formed so as to be fusion-splicable to another optical fiber or optical component, for example.
  • the package 1 preferably has a portion for detachably fixing the end portion having no connector.
  • the base portion 2 is a flat plate as a base of the package 1 and has a flat surface 21 and an outer peripheral edge portion 22 .
  • the thickness of the base portion 2 is, for example, 1.0 to 3.0 mm.
  • the material of the base portion 2 is, for example, a synthetic resin such as polypropylene.
  • the shape of the base portion 2 may be a circular shape, an elliptical shape, a square shape with rounded corners, a square shape, a rectangular shape, or a polygonal shape in plan view of the base portion 2 . From the viewpoint of space saving, it is preferable that the shape of the base portion 2 is circular in a plan view of the base portion 2 .
  • the outer peripheral edge portion 22 is the outer peripheral portion of the base portion 2 .
  • Ribs 221 , recesses 222 , and projecting portions 24 are provided on the outer peripheral edge portion 22 .
  • the rib 221 is provided along the outer peripheral edge portion 22 on the first surface of the base portion 2 .
  • the rib 221 is formed so as to rise from the flat surface 21 of the base portion 2 in the direction D1.
  • the concave portion 222 is provided along the outer peripheral edge portion 22 on the second surface of the base portion 2 .
  • the projecting portion 24 is provided on the outer periphery of the base portion 2 at a portion corresponding to the projecting portion 3 .
  • the protruding portion 24 protrudes outward from other portions of the outer periphery of the base portion 2 .
  • the protruding portion 24 is formed so that the distance from the base center P is longer than other portions on the outer periphery of the base portion 2 .
  • a guide wall 23 is formed near the center of the base portion 2 .
  • An insertion hole 71 is formed inside the guide wall 23 .
  • the insertion hole 71 is non-circular in plan view of the base portion 2 and penetrates the base portion 2 .
  • a multi-stacking jig 8 (see FIG. 17), which will be described later, is inserted through the insertion hole 71 .
  • a plurality of protrusions 3 are formed to protrude from the plane 21 of the base portion 2 and are arranged along the outer periphery of the base portion.
  • the optical fiber X is wound over a plurality of projections 3 on the plane 21 along part of the outer circumference of each projection 3 (see FIG. 7).
  • four protrusions 3 are arranged on the plane 21 so as to be spaced apart from each other.
  • the optical fiber X is wound circularly along the outer peripheral surfaces 31 of the four protrusions 3 .
  • the plurality of projecting portions 3 may be formed integrally with the base portion 2 .
  • the phrase "integrally formed” means formed from a single piece (ie, formed to have a monolithic structure).
  • the plurality of projecting portions 3 may be molded together with the base portion 2 by, for example, injection molding a synthetic resin such as polypropylene using a mold.
  • the outer peripheral surface 31 of each protrusion 3 may have an arc shape in plan view of the base portion 2 .
  • the outer peripheral surface 31 may be perpendicular to the plane 21 of the base portion 2 .
  • the number of projections 3 is not limited to four.
  • the package 1 may be provided with a plurality of protrusions 3 according to the allowable radius of curvature of the optical fiber.
  • Each drop-off prevention portion 5 is formed integrally with the base portion 2 .
  • Each drop-off preventing portion 5 is configured to regulate the position of the optical fiber X wound over the plurality of protrusions 3 .
  • each fall prevention portion 5 is configured to regulate the position of the optical fiber X in a direction D1 perpendicular to the plane 21 of the base portion 2 .
  • Each drop-off preventing portion 5 extends in a direction along the plane 21 of the base portion 2 .
  • each drop-off prevention portion 5 is formed integrally with the protrusion 3 and extends from the front end of the protrusion 3 in the direction of protruding from the flat surface 21 of the base portion 2 toward the outside of the base portion 2.
  • the length of the drop-off preventing portion 5 can be appropriately set to a dimension such that the optical fiber X wound around the plurality of protrusions 3 is covered with the drop-off preventing portion 5 in a plan view of the base portion 2, for example.
  • the package 1 has three connecting portions 6A arranged as a plurality of connecting portions 6A.
  • the three connecting portions 6A are arranged at the vertices of a triangle including the base center P in the plan view of the base portion 2 .
  • the three connecting portions 6A may be arranged, for example, at the vertices of a triangle that is symmetrical with respect to a line passing through the center of the base portion 2.
  • the three connecting portions 6A may be arranged so that the center of gravity of the triangle is positioned at the center of the base portion 2.
  • FIG. When four or more connecting portions 6A are arranged in the package 1, at least three connecting portions 6A are arranged at the vertices of a triangle including the base center P inside.
  • Each connecting portion 6A protrudes from the plane 21 of the base portion 2.
  • at least a portion of each connecting portion 6B formed on the back side of each connecting portion 6A is recessed in the direction from the second surface to the first surface.
  • At least part of the projecting portion of the connecting portion 6A can be fitted with at least part of the recessed portion of the connecting portion 6B. That is, the package 1 can be stacked with other packages 1 on the first surface side by fitting the connecting portions 6A to the connecting portions 6B of the other package 1 .
  • the package 1 can be stacked with other packages 1 on the second surface side by fitting the connecting portions 6B to the connecting portions 6A of the other package 1 .
  • the package 1 may include a central protrusion 7 protruding from the plane 21 of the base portion 2 and arranged closer to the base center P than the plurality of protrusions 3 .
  • the excess length of the optical fiber X wound around the plurality of projections 3 can be wound along the outer periphery of the central projection 7, so that the excess length of the optical fiber X can be easily adjusted.
  • the central protrusion 7 is formed so as to surround the guide wall 23 .
  • the central protrusion 7 may be formed integrally with the base portion 2 .
  • the central protrusion 7 may be molded together with the base portion 2, the plurality of protrusions 3, the mounting portion 4, the plurality of drop-off prevention portions 5, and the plurality of connecting portions 6, for example, by injection molding a synthetic resin such as polypropylene using a mold.
  • the package 1 has a mounting portion 4 to which the optical fiber X connector is mounted.
  • the package 1 includes a first mounting portion 42 and a second mounting portion 41 as the mounting portion 4 . Therefore, the winding state of the optical fiber X can be stabilized.
  • the first mounting portion 42 may be formed integrally with the base portion 2.
  • the first mounting portion 42 may be molded together with the base portion 2 and the plurality of projecting portions 3 by, for example, injection molding a synthetic resin such as polypropylene using a mold.
  • a synthetic resin such as polypropylene
  • the first mounting portion 42 can be easily separated from the base portion 2 .
  • the first attachment part 42 can be easily separated from the base part 2 by applying force in the D1 direction, for example.
  • the drop-off prevention portion 5 is integrally formed with the base portion 2, so the drop-off of the optical fiber X can be prevented by the package alone. Therefore, the present disclosure can provide a package having a simple structure as compared with the case where a plurality of members are used to prevent the optical fiber X from falling off.
  • FIGS. 3 and 4 show the first mounting portion 42 separated from the base portion 2.
  • the first connector X2 is attached to the first attachment portion 42 (see FIG. 7).
  • the first mounting portion 42 has a locking portion 421 and a connector fixing portion 423 .
  • the locking portion 421 is a portion below the line L1 in FIGS.
  • the locking portion 421 is made of an elastically deformable material.
  • the locking portion 421 includes a rib 422 and a pair of opposing sandwiching portions 425a and 425b.
  • the width W1 between the clamping portions 425a and 425b is preferably smaller than the thickness of the base portion 2 when the first mounting portion 42 is not engaged with the outer peripheral edge portion 22 .
  • a state in which the first mounting portion 42 is engaged with the outer peripheral edge portion 22 will be described later with reference to FIGS. 7 and 8.
  • the connector fixing portion 423 is an example of a first connector fixing portion.
  • the connector fixing portion 423 is a portion above the line L1 on the paper surface.
  • the connector fixing portion 423 has a C-shaped cross section, and the first connector X2 can be attached to the space connected to the opening.
  • the expression "C-shaped” refers to a closed figure provided with one or more openings.
  • the connector fixing portion 423 has a cylindrical shape with a slit that is an opening.
  • the connector fixing portion 423 is made of an elastically deformable material.
  • the inner diameter of the connector fixing portion 423 is smaller than the diameter of at least part of the first connector X2.
  • the slit functions as an optical fiber passing portion 424 for passing the optical fiber X in a state in which no force is applied to the connector fixing portion 423 or in a state in which the connector fixing portion 423 is elastically deformed. It is preferable that the width W2 of the optical fiber passing portion 424 be such that at least a portion of the first connector X2 cannot pass therethrough.
  • the state in which the first connector X2 is attached to the first attachment portion 42 will be described later with reference to FIGS. 7 and 8. FIG.
  • the second mounting part 41 is shown in FIGS. In this example, a second connector X ⁇ b>1 for the optical fiber X is attached to the second attachment portion 41 .
  • the second mounting portion 41 may be formed integrally with the base portion 2 .
  • the second mounting portion 41 may be molded together with the base portion 2 and the plurality of projecting portions 3 by, for example, injection molding a synthetic resin such as polypropylene using a mold.
  • the second mounting portion 41 is formed to engage with the second connector X1.
  • the second mounting portion 41 includes a pair of grips 411 .
  • the pair of gripping portions 411 protrude from the plane 21 of the base portion 2 in a direction D1 perpendicular to the plane 21 of the base portion 2 .
  • the pair of grips 411 are arranged to face each other in a direction (first direction) D2 perpendicular to the direction D1.
  • the second connector X1 is held while being sandwiched between the pair of gripping portions 411 in the direction D2.
  • the pair of gripping portions 411 are located closer to the base center P than the plurality of protrusions 3 .
  • each gripping portion 411 has a convex portion 411A protruding toward the other gripping portion 411 on the front end portion 411E1 in the direction of protruding from the flat surface 21 of the base portion 2 .
  • both of the pair of gripping portions 411 have the convex portion 411A, but only one of the pair of gripping portions 411 may have the convex portion 411A.
  • Each grip portion 411 extends in a direction along line L2, which is the longitudinal direction of the second connector X1, and has a first end portion 411E2 and a second end portion 411E3 in the direction.
  • Each grip portion 411 has a connecting portion 411B connected to the base portion 2 and a non-connecting portion 411C not connected to the base portion 2. As shown in FIG. In the plan view shown in FIG. 5, a hole is provided in the base portion 2 in the region where the non-connecting portion 411C is provided.
  • the distance D10 in the direction D2 between the non-connecting portions 411C of the pair of gripping portions 411 becomes narrower toward the first end portion 411E2.
  • a distance D20 in the direction D2 between the gripping portions 411 at the second end portion 411E3 widens toward the tip of the second end portion 411E3.
  • the surface 411S of the second end portion 411E3 of the grip portion 411 facing the other grip portion 411 is curved in plan view of the base portion 2 (FIG. 5).
  • the second connector X1 of the optical fiber X is held in a state sandwiched in the direction D2 by the pair of gripping portions 411, when the second connector X1 is removed from the second mounting portion 41, the second connector X1 can be taken out from the direction D1 or from the direction intersecting the directions D1 and D2.
  • the gripping portion 411 has a convex portion 411A protruding toward the other gripping portion 411 facing the front end portion 411E1, so that the second connector X1 can be prevented from being detached from the second mounting portion 41 in the direction D1, for example, when the package 1 vibrates due to an external force.
  • the second connector X1 can be sandwiched between the pair of non-connecting portions 411C. This can prevent the second connector X1 from coming off from the second mounting portion 41 in the direction D2 or in a direction crossing the direction D1 and the direction D2, for example, when the package 1 vibrates due to an external force. Further, the deformation of the non-connecting portion 411 ⁇ /b>C facilitates attachment of the second connector X ⁇ b>1 to the second attachment portion 41 and facilitates removal of the second connector X ⁇ b>1 from the second attachment portion 41 .
  • the surface 411S of the second end portion 411E3 facing the other grip portion 411 is curved in plan view of the base portion 2. Therefore, even if the cap C of the second connector X1 contacts the second end portion 411E3 when removing the second connector X1 from the second mounting portion 41 in a direction intersecting the direction D1 and the direction D2, the cap C can be guided along the curved surface 411S.
  • FIG. 7 shows an optical fiber package 1A.
  • the packaged product 1A is a package 1 containing an optical fiber X having a connector attached to at least one end thereof.
  • the package 1A accommodates an optical fiber X having a first connector X2 attached to one end and a second connector X1 attached to the other end.
  • the second connector X1 is attached to the second attachment portion 41 in the same state as in FIG.
  • the optical fiber X is wound over the multiple projections 3 .
  • the first connector X2 has a connector rear end portion X2b attached to the first attachment portion 42, and the first attachment portion 42 is engaged with the outer peripheral edge portion 22.
  • the connector tip X2a is the side where the first connector X2 is connected to an external device or the like, and the connector rear end X2b is the end of the first connector X2 opposite to the connector tip X2a.
  • the connector fixing portion 423 since the inner diameter of the connector fixing portion 423 is smaller than the diameter of at least a part of the connector rear end portion X2b of the first connector X2, the connector fixing portion 423 is elastically deformed and expands, but also fixes the connector rear end portion X2b by a restoring force.
  • the clamping portions 425 a and 425 b are elastically deformed in a direction away from each other, and the outer peripheral edge portion 22 including the ribs 221 and the recessed portions 222 is inserted into the locking portion 421 .
  • the above state is a state in which the first mounting portion 42 is locked to the outer peripheral edge portion 22 .
  • the clamping portions 425a and 425b are elastically deformed in the direction of separating from each other, and the locking is released.
  • the width W1 (see FIG. 4) between the clamping portions 425a and 425b is smaller than the thickness of the base portion 2 when the outer peripheral edge portion 22 including the ribs 221 and the recessed portions 222 is not inside the locking portion 421, the base portion 2 is clamped by the restoring force of the clamping portions 425a and 425b. Therefore, the first mounting portion 42 can be locked more strongly to the outer peripheral edge portion 22, and in this state, the position of the first mounting portion 42 is less likely to shift.
  • FIG. 9 is a perspective view showing the first mounting portion 142A of the optical fiber package according to the second embodiment of the present disclosure.
  • FIG. 10 is a perspective view showing a modification of the first mounting portion 142A shown in FIG.
  • FIG. 11 is a perspective view showing an optical fiber package 1B according to the second embodiment.
  • FIG. 12 is an enlarged schematic diagram of the first mounting portion 142A of the packaged product 1B shown in FIG.
  • FIG. 13 is a cross-sectional view taken along line BB shown in FIG.
  • the package 1 according to the second embodiment may be the same as the package 1 according to the first embodiment except that the first mounting part 142A or 142B is provided instead of the first mounting part 42.
  • the first mounting portions 142A and 142B members having names similar to those of the first mounting portion 42 can have functions similar to those of the first mounting portion 42 . Therefore, description of the same parts as in the first embodiment will be omitted as appropriate.
  • the content described in the first embodiment can be used as long as there is no contradiction.
  • the first mounting portion 142A includes a flat surface 1420, two locking portions 1421, a locking portion 1422, a pair of connector fixing portions 1423, a pair of connector fixing portions 1425, and a guide portion 1426.
  • the first mounting portion 142A is made of an elastically deformable material.
  • the two locking portions 1421 are provided so as to curve from the end of the plane 1420 in the direction D1.
  • Locking portion 1422 is provided between two locking portions 1421 so as to extend from the end of plane 1420 .
  • the locking portion 1422 has a rib 1422a provided along the longitudinal direction of the first mounting portion 142A. When the two locking portions 1421 and 1422 are viewed from a direction parallel to the longitudinal direction of the first mounting portion 142A, they have the same cross-sectional shape as the locking portion 421 of the first mounting portion 42 of the first embodiment.
  • the pair of connector fixing portions 1423 has a C-shaped cross section, and the connector rear end portion X2b is fixed therein.
  • the cross section of the pair of connector fixing portions 1423 is a closed circle with two slits, and is included in the definition of "C-shaped”.
  • An optical fiber passing portion 1424 is formed between the pair of connector fixing portions 1423 .
  • a pair of connector fixing portions 1423 is an example of a first connector fixing portion.
  • a pair of connector fixing portions 1425 protrude from the plane 1420 in the direction D1.
  • a pair of connector fixing portions 1425 can fix the connector tip portion X2a.
  • the connector fixing portion 1425 may fix an intermediate portion between the connector front end portion X2a and the connector rear end portion X2b.
  • a pair of connector fixing portions 1425 is an example of a second connector fixing portion.
  • the first mounting portion 142A may be configured to include only one of the pair of connector fixing portions 1423 and the pair of connector fixing portions 1425, or may be configured to include another connector fixing portion.
  • the guide part 1426 protrudes from the plane 1420 in the direction D1.
  • the guide portion 1426 has an arc-shaped surface in a plan view, and guides the optical fiber X extending from the first connector X2 along the surface to one of the plurality of projecting portions 3 .
  • the load applied to the optical fiber X in the vicinity of the first connector X2 when the optical fiber X is housed in the package 1 can be reduced.
  • a first mounting portion 142B shown in FIG. 10 is a modification of the first mounting portion 142A.
  • the first mounting portion 142B is configured similarly to the first mounting portion 142A, except that the guide portion 1426 is not provided. Since the first mounting portion 142B does not include the guide portion 1426, it is easier to manufacture and less expensive than the first mounting portion 142A.
  • FIG. 11 shows an optical fiber package 1B according to the second embodiment.
  • the packaged product 1B is a package 1 containing an optical fiber X having a connector attached to at least one end thereof.
  • the packaged product 1B accommodates an optical fiber X having a first connector X2 attached to one end and a second connector X1 attached to the other end, but the illustration of the second connector X1 is omitted.
  • the first connector X2 is attached to the first attachment portion 142A. Also, the first mounting portion 142A is locked to the outer peripheral edge portion 22 .
  • FIG. 12 shows the first mounting portion 142A with the first connector X2 mounted.
  • the pair of connector fixing portions 1423 accommodates the connector rear end portion X2b therein. In this state, the connector rear end X2b is restrained from moving in directions D1 and D2. By elastically deforming the pair of connector fixing portions 1423 in a direction separating from each other, the connector rear end portion X2b can be attached and detached.
  • a pair of connector fixing portions 1425 fixes the connector tip portion X2a.
  • the distance between the pair of connector fixing portions 1425 is equal to or slightly longer than the length of the connector tip portion X2a in the D2 direction.
  • each connector fixing portion 1425 has a portion protruding toward the other opposing connector fixing portion 1425 at the front end in the direction in which it protrudes from the plane 1420 .
  • the distance from this portion to the plane 1420 is equal to or slightly longer than the length of the connector tip X2a in the D1 direction. Therefore, the connector distal end portion X2a fixed between the pair of connector fixing portions 1425 is restrained from moving in the directions D1 and D2.
  • the pair of locking portions 1421 and 1422 are elastically deformed in a direction away from each other and in a direction including a direction parallel to the direction D1, and the outer peripheral edge portion 22 including the rib 221 and the recessed portion 222 is guided to a position below the pair of locking portions 1421 and above the locking portion 1422.
  • the above state is a state in which the first mounting portion 142A is locked to the outer peripheral edge portion 22. As shown in FIG. Further, if force is further applied in this state, the pair of locking portions 1421 and 1422 will be elastically deformed again, and the locking will be released.
  • the outer peripheral edge portion 22 is not locked by the pair of locking portions 1421 and 1422, if the distance between each locking portion 1421 and locking portion 1422 in the direction D1 is smaller than the thickness of the base portion 2, the base portion 2 is clamped by the restoring force of each locking portion 1421 and locking portion 1422. Therefore, the first mounting portion 142A can be locked to the outer peripheral edge portion 22 more strongly, and in this state, the position of the first mounting portion 142A is less likely to shift.
  • FIG. 14 is a perspective view showing the first mounting portion 242 of the optical fiber package according to the third embodiment of the present disclosure.
  • FIG. 15 is a perspective view showing an optical fiber package 1C according to the third embodiment of the present disclosure.
  • FIG. 16 is a cross-sectional view cut along line CC shown in FIG.
  • the package 1 according to the second embodiment may be the same as the package 1 according to the first embodiment except that the first mounting portion 242 is provided instead of the first mounting portion 42 .
  • the first mounting portion 242 members having names similar to those of the first mounting portion 42 can have functions similar to those of the first mounting portion 42 . Therefore, description of the same parts as in the first embodiment will be omitted as appropriate.
  • the content described in the first embodiment can be used as long as there is no contradiction.
  • the first mounting portion 242 includes a locking portion 2421 and a connector fixing portion 2423.
  • the first mounting portion 242 is made of an elastically deformable material.
  • the locking portion 2421 includes a plate-like portion 2422a and a removal prevention portion 2422b.
  • the plate-like portion 2422a is a plate-like member that is inserted between a portion of the optical fiber X wound over the plurality of protrusions 3 and another portion of the optical fiber X, or between the optical fiber X and the base portion 2.
  • the removal prevention portion 2422b is provided to extend from one end of the plate-like portion 2422a in a direction different from the direction in which the plate-like portion 2422a extends.
  • the connector fixing portion 2423 has a C-shaped cross section, and fixes the connector rear end portion X2b in a space connected to the opening. A slit in the connector fixing portion 2423 functions as an optical fiber passing portion 2424 .
  • FIG. 15 shows an optical fiber package 1C according to the third embodiment.
  • the packaged product 1C is a package 1 containing an optical fiber X having a connector attached to at least one end thereof.
  • the package 1C accommodates an optical fiber X having a first connector X2 attached to one end and a second connector X1 attached to the other end, but the illustration of the second connector X1 is omitted.
  • the first mounting portion 242 mounts the first connector X2. Also, the first mounting portion 242 is engaged with the optical fiber X wound around the plurality of protrusions 3 in the vicinity of the outer peripheral edge portion 22 .
  • the connector rear end portion X2b of the first connector X2 is fixed inside the connector fixing portion 2423.
  • the connector fixing portion 2423 since the inner diameter of the connector fixing portion 2423 is smaller than the diameter of at least a part of the connector rear end portion X2b, the connector fixing portion 2423 is elastically deformed and expands, but also fixes the connector rear end portion X2b by a restoring force. In this state, the connector rear end X2b is restrained from moving in directions D1 and D2. By elastically deforming the connector fixing portion 2423, the connector rear end portion X2b can be attached and detached.
  • the plate-like portion 2422a is inserted between a part of the optical fiber X wound over the plurality of protrusions 3 and another part of the optical fiber X. As shown in FIG. In this state, the plate-like portion 2422a is loosely locked to the optical fiber X due to the weight of the optical fiber X above and the frictional force with the optical fiber X in contact. Further, in this state, when a force is applied to move the first mounting portion 242 in a direction parallel to the plane 21 and away from the base center P, the removal prevention portion 2422b is caught by the optical fiber X above the plate-like portion 2422a, and the first mounting portion 242 can be prevented from being unlocked. Note that the first mounting portion 242 may be locked by being inserted between the optical fiber X wound over the plurality of protrusions 3 and the flat surface 21 of the base portion 2 .
  • FIG. 17 is a perspective view of a stacking jig 8 used for taking out optical fibers from packages.
  • FIG. 18 is a perspective view showing a state in which the package 1A is attached to the multi-stacking jig 8 shown in FIG.
  • FIG. 19 is a schematic diagram for explaining a method of extracting the optical fibers X from the plurality of packages 1A using the multi-stacking jig 8 of FIG.
  • the extraction method of the present disclosure can be applied without any particular limitation as long as the optical fiber X with a connector attached to at least one end is wound around the package, and the connector is locked near the outer periphery of the package.
  • the multi-stacking jig 8 to which the packaged product 1A is attached includes a grip portion 81, a shaft portion 82, a support portion 83, and a contact portion 84.
  • the grasping portion 81 can be grasped by an operator and rotatably supports the shaft portion 82 .
  • the gripping portion 81 has a columnar shape, and a through hole 81H extending in the axial direction is formed inside the gripping portion 81 .
  • the shaft portion 82 has a rod shape, and a portion of the shaft portion 82 is inserted into the through hole 81 ⁇ /b>H of the grip portion 81 .
  • a portion of the shaft portion 82 inserted into the through hole 81H has a cylindrical shape. That is, the shaft portion 82 is connected to the grip portion 81 so as to be rotatable about the axial direction. It should be noted that the shape of the gripping portion 81 is not limited to a circular column or a square column.
  • the shaft portion 82 has an insertion portion 821 to which the packaged product 1A is attached.
  • the insertion portion 821 is formed to fit into the insertion hole 71 of the packaged product 1A.
  • the insertion portion 821 has a quadrangular prism extending in the axial direction.
  • the package 1A is attached to the shaft portion 82 by inserting the insertion portion 821 into the insertion hole 71 of the package 1A.
  • the shape of the insertion portion 821 of the shaft portion 82 is not limited to a circular column or square column.
  • the support portion 83 supports the packaged product 1A attached to the shaft portion 82.
  • the support portion 83 is provided on the shaft portion 82 and has a mounting surface 831 that allows the package 1A to be mounted.
  • the package 1A guided to the insertion portion 821 via the guide wall 23 around the insertion hole 71 is placed on the placement surface 831 (see FIG. 18).
  • a surface 832 of the support portion 83 opposite to the placement surface 831 functions as a contact surface that contacts the grip portion 81 when the shaft portion 82 is displaced relative to the grip portion 81 in the rotation axis direction.
  • the support portion 83 has a disc shape extending radially around the shaft portion 82, and when the multi-stacking jig 8 is viewed from the axial direction of the shaft portion 82, the support portion 83 is formed to be larger than the grip portion 81. Note that the shape of the support portion 83 is not limited to a disc.
  • the contact portion 84 is provided at the end portion 82E of the shaft portion 82.
  • the contact portion 84 has a contact surface 841 that contacts the grip portion 81 when the shaft portion 82 is displaced relative to the grip portion 81 in the rotational axis direction.
  • the contact portion 84 has a disc shape, and the contact surface 841 is formed to be larger than the grip portion 81 when the multi-stacking jig 8 is viewed from the axial direction of the shaft portion 82 .
  • the shape of the contact portion 84 is not limited to a disc.
  • the operator When the operator takes out the optical fiber X from the packaged product 1A, the operator attaches the packaged product 1A to the shaft portion 82 as shown in FIG. 18 (step S1). Also, the first connector X2 locked near the outer periphery of the packaged product 1A is removed from the first mounting portion 42 (step S2). Then, the operator grips the grip portion 81 with one hand and pulls the removed first connector X2 or the optical fiber X connected to the first connector X2 with the other hand (step S3). At this time, since the shaft portion 82 rotates with respect to the grip portion 81, the insertion portion 821 and the package 1A inserted into the insertion portion 821 rotate about the rotation axis of the shaft portion 82. FIG.
  • step S1 may be executed first. From the viewpoint of workability, it is preferable to execute step S1 first.
  • one package 1A is attached to the stacking jig 8, but as shown in FIG. 19, a plurality of packages 1A can be attached to the stacking jig 8 and stacked to collectively take out a plurality of optical fibers X from the plurality of packages 1A.
  • a plurality of packages 1A are attached to the shaft portion 82 (step S11).
  • the first connector X2 locked near the outer periphery of the packaged product 1A is removed from the first mounting portion 42 (step S12).
  • step S13 the operator grips the gripping portion 81 with one hand 91, and pulls together the first connector X2 removed from the plurality of packages 1A attached to the shaft portion 82 or part of the optical fiber X connected to the first connector X2 with the other hand 92 (step S13).
  • the optical fibers X can be collectively taken out from the plurality of packages 1A by one pulling operation.
  • Either step S11 or step S12 may be executed first. From the viewpoint of workability, it is preferable to execute step S11 first.
  • the insertion hole 71 is a non-circular hole, it is possible to prevent the plurality of stacked packages 1A from individually rotating with respect to the insertion portion 821 . That is, the operator can collectively rotate the plurality of packages 1A together with the insertion portion 821 at the same cycle.
  • the first connectors X2 removed from the plurality of packages 1A are connected to, for example, an external device.
  • the first connector X2 may be connected to the external device after the optical fiber X is removed from the package 1A, or may be connected to the external device before the optical fiber X is removed from the package 1A.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
PCT/JP2023/001353 2022-01-21 2023-01-18 光ファイバのパッケージ、パッケージ品、及び光ファイバの取り出し方法 Ceased WO2023140287A1 (ja)

Priority Applications (2)

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US18/832,022 US20250093610A1 (en) 2022-01-21 2023-01-18 Package for optical fiber, packaged article, and optical fiber lead-out method
JP2023575275A JPWO2023140287A1 (https=) 2022-01-21 2023-01-18

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JP2022008214 2022-01-21
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0435104U (https=) * 1990-07-20 1992-03-24
JPH05203814A (ja) * 1990-10-04 1993-08-13 Mars Actel 光接続カセット
US5263585A (en) * 1992-05-07 1993-11-23 Myriadlase, Inc. Package for an elongated flexible fiber
US20080048063A1 (en) * 2006-05-18 2008-02-28 Wells Dennis R Fiber handling cart for cables with tethers
JP2015025906A (ja) * 2013-07-25 2015-02-05 株式会社フジクラ 光ファイバの収納ケース
US20160242304A1 (en) * 2015-02-17 2016-08-18 Jui-Feng Hsu Wire storage device
US20200124803A1 (en) * 2017-06-23 2020-04-23 CommScope Connectivity Belgium BVBA Fiber management tray with enhanced accessibility
WO2022064747A1 (ja) * 2020-09-28 2022-03-31 住友電工オプティフロンティア株式会社 光ファイバのパッケージ、パッケージ品、光ファイバの取り出し方法、および治具

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0435104U (https=) * 1990-07-20 1992-03-24
JPH05203814A (ja) * 1990-10-04 1993-08-13 Mars Actel 光接続カセット
US5263585A (en) * 1992-05-07 1993-11-23 Myriadlase, Inc. Package for an elongated flexible fiber
US20080048063A1 (en) * 2006-05-18 2008-02-28 Wells Dennis R Fiber handling cart for cables with tethers
JP2015025906A (ja) * 2013-07-25 2015-02-05 株式会社フジクラ 光ファイバの収納ケース
US20160242304A1 (en) * 2015-02-17 2016-08-18 Jui-Feng Hsu Wire storage device
US20200124803A1 (en) * 2017-06-23 2020-04-23 CommScope Connectivity Belgium BVBA Fiber management tray with enhanced accessibility
WO2022064747A1 (ja) * 2020-09-28 2022-03-31 住友電工オプティフロンティア株式会社 光ファイバのパッケージ、パッケージ品、光ファイバの取り出し方法、および治具

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US20250093610A1 (en) 2025-03-20

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