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WO2018173626A1 - Structure de maintien de fibre optique et boîte de jonction - Google Patents

Structure de maintien de fibre optique et boîte de jonction Download PDF

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Publication number
WO2018173626A1
WO2018173626A1 PCT/JP2018/006665 JP2018006665W WO2018173626A1 WO 2018173626 A1 WO2018173626 A1 WO 2018173626A1 JP 2018006665 W JP2018006665 W JP 2018006665W WO 2018173626 A1 WO2018173626 A1 WO 2018173626A1
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WIPO (PCT)
Prior art keywords
optical fiber
substrate
holding
angle
holding structure
Prior art date
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Ceased
Application number
PCT/JP2018/006665
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English (en)
Japanese (ja)
Inventor
弘久 加藤
克司 縣
百津　仁博
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Fujikura Ltd
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Fujikura Ltd
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Filing date
Publication date
Application filed by Fujikura Ltd filed Critical Fujikura Ltd
Publication of WO2018173626A1 publication Critical patent/WO2018173626A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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  • the present invention relates to an optical fiber holding structure and a connection box, and particularly to an optical fiber holding structure used in a connection box that accommodates an adapter for connecting different wiring cables.
  • an adapter In order to allocate optical information transmitted from cables introduced from outside to indoors to each room in an apartment or building, the optical fiber in the cable and the optical fiber extending from each room are connected via an adapter.
  • an adapter is housed in a case body called a connection box, and includes a plurality of input ports and output ports corresponding to the number of rooms.
  • optical fibers extending from each room are generally stored together in a tray or the like stored in a connection box, the optical fibers are collectively stored in the storage tray when connecting the optical fibers.
  • An optical fiber corresponding to a desired room must be found (identified) from a plurality of optical fibers. For this reason, there has been a problem that it takes time and effort to connect.
  • the present invention has been made in view of such problems of the prior art, and has as its first object to provide an optical fiber holding structure that improves the work efficiency of optical fiber connection work.
  • an optical fiber holding structure that improves the work efficiency of the optical fiber connection work.
  • the optical fiber holding structure includes a connection box that accommodates an adapter that connects a plurality of optical fibers of a first cable and a plurality of optical fibers of a second cable, and connects the unconnected optical fibers that are not connected to the adapter. It is for holding in the connection box.
  • the optical fiber holding structure has a fixed portion fixed to the substrate of the connection box and a state before the rotation that forms the first angle with respect to the substrate and the state after the rotation that forms the second angle with respect to the substrate. And a retaining portion pivotally supported by the fixed portion so as to rotate to a state.
  • the unconnected optical fiber extending on the side relatively close to the substrate in the depth direction perpendicular to the substrate is guided to the side relatively far from the substrate in the depth direction.
  • a guide surface is formed to hold the unconnected optical fiber suspended in the relatively far side.
  • the first angle is an angle at which the guide surface is relatively close to the substrate in the depth direction
  • the second angle is an angle at which the guide surface is the substrate in the depth direction. The angle is relatively far from the angle.
  • the unconnected optical fiber located on the side close to the substrate of the junction box (the side far from the worker) is farther from the substrate (the side closer to the worker) by the guide surface formed in the holding portion. ) And is suspended and held on the side close to the worker, so that the worker can easily find (identify) a desired optical fiber. Further, when the number of optical fiber cores is large, many unconnected optical fibers can be efficiently held by installing this optical fiber holding structure in parallel.
  • this optical fiber holding structure includes a holding portion that can be rotated from a relatively close side to a far side with respect to the substrate, the holding portion is rotated so that a desired position is closer to the operator.
  • the unconnected optical fiber can be removed.
  • the desired unconnected optical fiber searched out without being obstructed by other holding units can be removed from the holding unit.
  • a desired unconnected optical fiber can be easily found out and can be easily removed from the holding unit. Will improve.
  • the first angle is preferably 0 °.
  • the holding portion can be maintained in a state parallel to the substrate of the connection box, so that the cover of the connection box can be made thin, and the connection box can be made slim and downsized.
  • the second angle is preferably 90 °.
  • one of the fixing part and the holding part is provided with a fitting part that holds the pre-rotation state by fitting into a fitted part provided on the other of the fixing part and the holding part.
  • the fitting part is a convex part extending from the holding part toward the fixed part in the pre-rotation state, and the fitted part receives the convex part in the pre-rotation state.
  • the concave portion formed in the fixed portion may be used.
  • the fitting portion is a convex portion extending from the fixed portion toward the holding portion in the pre-rotation state, and the fitted portion is configured to receive the convex portion in the pre-rotation state.
  • the recessed part formed in the reservation part may be sufficient. With such a configuration, the pre-rotation state of the optical fiber protection structure can be effectively maintained.
  • the fixed portion has a rotation restricting surface that contacts a part of the holding portion in the post-rotation state.
  • the fixing portion may further include a curved surface that curves from the rotation restricting surface toward the substrate so as to protrude toward the outside of the fixing portion. With such a configuration, the bending portion can be smoothly rotated.
  • the guide surface preferably has a circumferential surface. Thereby, it can suppress that an unconnected optical fiber will be damaged when suspending an unconnected optical fiber.
  • maintenance part may have a handle extended in the said depth direction from the said holding
  • connection box that can accommodate the optical fiber holding structure therein and further improve the work efficiency of the optical fiber connection work.
  • the junction box includes the above-described optical fiber holding structure, the substrate, the adapter fixed to the substrate, and an optical fiber guide portion that guides the adapter while winding the plurality of optical fibers.
  • a plurality of optical fibers can be guided to the adapter while being wound around the optical fiber guide part, so that the optical fiber connection work is further facilitated, and the work efficiency is further improved.
  • the optical fiber guide portion may have a fixed protrusion that protrudes through the substrate, and the substrate has a plurality of insertion holes that can be engaged with the fixed protrusion of the optical fiber guide portion. May be.
  • the fixing position of the optical fiber guide portion can be adjusted by changing the insertion hole for inserting the fixing protrusion.
  • the optical fiber guide portion preferably has a cylindrical outer shape. With such a configuration, since the unconnected optical fiber is guided along the cylindrical surface of the optical fiber guide portion, the unconnected optical fiber can be smoothly guided, and the unconnected optical fiber is damaged. Can be prevented.
  • the unconnected optical fiber located on the side close to the substrate of the connection box (the side far from the operator) is moved to the side far from the substrate (side close to the operator) by the guide surface formed in the holding portion. Since it is guided and suspended on the side close to the worker, the worker can easily find a desired optical fiber. Moreover, since this optical fiber holding structure is provided with a holding part that can be rotated from the first angle to the second angle with respect to the substrate, by putting the holding part in a state of being tilted to the operator side, A desired unconnected optical fiber can be easily removed from the holding portion.
  • the optical fiber holding structure according to the present invention has a guide surface and includes a holding portion that can rotate with respect to the substrate, so that a desired unconnected optical fiber can be easily found. At the same time, since it can be easily removed from the holding portion, the work efficiency of the optical fiber connection work is improved.
  • FIG. 1 is a perspective view showing a junction box according to an embodiment of the present invention.
  • FIG. 2 is a front view of the connection box shown in FIG. 1 with the cover removed.
  • FIG. 3 is a perspective view showing the optical fiber holding structure housed in the junction box shown in FIG. 1 and the vicinity thereof, and is a view showing a state before the optical fiber holding structure is rotated.
  • FIG. 4 is a perspective view showing the optical fiber holding structure accommodated in the junction box shown in FIG. 1 and the vicinity thereof, and is a view showing a state after the rotation of the optical fiber holding structure.
  • FIG. 5 is an exploded view of the optical fiber holding structure shown in FIG. 6 is a perspective view showing a state before the rotation of the optical fiber holding structure shown in FIG.
  • FIG. 7 is a perspective view showing a post-rotation state of the optical fiber holding structure shown in FIG.
  • FIG. 8 is a view showing a part of the back surface of the substrate of the junction box shown in FIG.
  • FIGS. 1 to 8 the same or corresponding components are denoted by the same reference numerals, and redundant description is omitted. Moreover, in FIG. 1 to FIG. 8, there are cases where the scales and dimensions of each component are exaggerated and some components are omitted.
  • FIG. 1 is a perspective view showing a junction box 1 according to an embodiment of the present invention.
  • the connection box 1 connects a cable 12 (first cable) introduced indoors from the outside and a cable 17 (second cable) extending from each room such as an apartment house or a building.
  • the optical information transmitted from the cable 12 is distributed to each room.
  • the connection box 1 is fixed to a wall surface 900 in an apartment house or a building.
  • the Y direction corresponds to the vertical direction of the wall surface 900
  • the + Y direction side is the upper side in the vertical direction of the wall surface 900
  • the ⁇ Y direction side is the lower side in the vertical direction of the wall surface 900.
  • Each corresponds.
  • the junction box 1 includes a substrate 10 extending in the X direction and the Y direction, and a cover 11 that covers the + Z direction side of the substrate 10.
  • the substrate 10 is formed of a substantially square plate member.
  • the cover 11 extends in the Z direction (depth direction) perpendicular to the substrate 10, and includes a frame portion 11 ⁇ / b> A extending from the edge of the substrate 10 in the + Z direction (the side of the operator facing the connection box 1), It has a structure in which a lid portion 11B that closes the + Z direction side of 11A is integrally formed.
  • an accommodation space for accommodating an adapter, an optical fiber, and the like is formed between the substrate 10 and the cover 11.
  • the cable 12 introduced indoors from the outside is introduced into the housing space, and the cables 17 connected to the indoor rooms are led out.
  • FIG. 2 is a plan view showing the connection box 1 with the cover 11 of the connection box 1 shown in FIG. 1 removed.
  • screw holes 15 are formed in the four corners of the substrate 10 of the connection box 1, and the substrate 10 is formed with screw holes (not shown) formed in the screw holes 15 and the wall surface 900. ) And the screw 2 are screwed together.
  • an extra length accommodating portion 20 around which the optical fiber 14 is wound so that extra lengths of the plurality of optical fibers 14 of the cable 12 are accommodated, and the optical fiber 14 led out from the extra length accommodating portion 20.
  • a plurality of optical fiber guide portions 60 that guide the optical fibers 13 to the adapter portion 40 while winding the plurality of optical fibers 13 of the cable 17.
  • the junction box 1 further includes a surplus length accommodating portion 20, an optical fiber guide portion 30, an adapter portion 40, a plurality of optical fiber guide portions 60, and a plurality of optical fiber holding structures 50.
  • the surplus length accommodating portion 20 is provided on the ⁇ X direction side (right side in FIG. 2) of the substrate 10, and the first length standing on the + X direction side in the surplus length accommodating portion 20. It includes a wall portion 21A and a second wall portion 21B standing on the ⁇ X direction side.
  • the first wall portion 21A has a substantially oblong outer shape extending in the Y direction, but no wall is provided on the ⁇ X direction side over substantially the entire length in the Y direction.
  • the second wall portion 21B is erected at a position separated from the first wall portion 21A on the ⁇ X direction side of the first wall portion 21A, and has a linear outer shape extending in the Y direction. .
  • the second wall portion 21B is formed so that the total length in the Y direction is slightly shorter than the total length in the Y direction of the first wall portion 21A.
  • an introduction portion 23 for introducing a cable, an optical fiber, or the like into the surplus length accommodating portion 20 is formed on the lower right side of the surplus length accommodating portion 20 in FIG.
  • a lead-out portion 24 that leads out from the long accommodating portion 20 is formed.
  • the cable 12 is introduced into the surplus length accommodating portion 20 from the introduction portion 23 of the surplus length accommodating portion 20.
  • the plurality of optical fibers 14 of the cable 12 are exposed from the cable 12 at the introduction portion 23. These exposed optical fibers 14 are wound along the first wall portion 21A and the second wall portion 21B of the surplus length accommodating portion 20, and then, from the lead-out portion 24 to the outside of the surplus length accommodating portion 20. Derived. In this way, by winding the optical fiber 14 by the necessary number of turns in the extra length accommodating portion 20, the extra length of the optical fiber 14 is absorbed and the optical fiber 14 is adjusted to an appropriate length.
  • a plurality of protrusions 22 that protrude toward the inside of the extra length accommodating portion 20 are formed on the top portions (the + Z direction side portion) of the first wall portion 21A and the second wall portion 21B.
  • the protrusion 22 prevents the optical fiber 14 from dropping from the extra length accommodating portion 20.
  • the plurality of optical fibers 14 led out from the lead-out part 24 of the surplus length accommodating part 20 are bundled by the silicon tube 16 in the lead-out part 24.
  • the silicon tube 16 is held by a portion on the + Y direction side of the substrate 10 by the optical fiber guide portion 30 and is guided to the central portion of the substrate 10 in the X direction.
  • the optical fiber guide portion 30 includes a first portion 31 fixed to the substrate 10 and a second portion 32 movably fixed to the substrate 10.
  • the first portion 31 has a curved shape that curves while gradually descending from the ⁇ X direction side of the first portion 31 toward the + X direction side.
  • the second portion 32 is attached to the substrate 10 by a convex portion (not shown) formed at the bottom of the second portion 32 slidably fitting into a slit 33 formed in the substrate 10.
  • the slit 33 extends in the X direction. Therefore, the second portion 32 can slide along the X direction (toward the first portion 31).
  • a plurality of projections 35 projecting inward of the optical fiber guide portion 30 are formed at the tops of the first portion 31 and the second portion 32, and the silicon tube 16 is formed by such projections 35. Is prevented from falling off the optical fiber guide portion 30.
  • the plurality of optical fibers 14 are exposed from the silicon tube 16 exiting from the guide path 34 of the optical fiber guide portion 30 (that is, guided toward the center portion of the substrate 10).
  • a connector 18 is connected to each end of the optical fiber 14.
  • an adapter unit 40 is provided at the center of the substrate 10.
  • Input ports 41 corresponding to the number of optical fibers 14 guided toward the center of the substrate 10 are provided in the upper half of the adapter unit 40.
  • the cable 17 extending inside the apartment house or building includes a plurality of optical fibers 13 extending from the indoor rooms, and is introduced into the junction box 1 from the lower left side of the substrate 10. .
  • the plurality of optical fibers 13 included in the cable 17 are exposed at the distal end side of the cable 17, and a connector 19 is connected to each distal end of the optical fibers 13.
  • a plurality of (two in this embodiment) optical fiber guides 60 are provided on the lower left side of the substrate 10.
  • the exposed optical fibers 13 are guided by the optical fiber guide portion 60 from the side relatively close to the substrate 10 ( ⁇ Z direction side) to the side relatively far (+ Z direction side).
  • the number of output ports 42 corresponding to the number of optical fibers 13 is provided in the lower half of the adapter unit 40 described above.
  • the plurality of optical fibers 13 are guided to the side farther from the side closer to the substrate 10 in the ⁇ Y direction side portion of the substrate 10, and the connectors 19 provided at the tips of these optical fibers 13 correspond.
  • the optical fiber 13 is connected to the adapter unit 40 by being inserted into the output port 42 of the adapter unit 40. That is, when the optical fiber 13 extending from a certain room is connected to the adapter unit 40 to which the optical fiber 14 is connected, the optical fiber 13 and the optical fiber 14 are connected, and the optical information transmitted from the cable 12 is transmitted. Is transmitted to a predetermined room.
  • a plurality of (two in this embodiment) optical fiber holding structures 50 are provided on the upper left side of the substrate 10 in FIG.
  • the optical fiber 13 that does not need to be connected to the adapter section 40 hereinafter, such an optical fiber 13 is referred to as “unconnected light”, for example, when there is a room in which optical information from the cable 12 is not desired or an empty room is indoors.
  • these unconnected optical fibers 13A can be suspended by being suspended from the optical fiber retaining structure 50.
  • FIG. 5 shows the holding portion 80 of the optical fiber holding structure 50 above the fixing portion 70. It is a disassembled perspective view at the time of removing in (+ Y direction).
  • connection box 1 in the present embodiment has two optical fiber holding structures 50 and 50 arranged close to each other in the X direction.
  • each of the optical fiber holding structures 50, 50 has a fixing part 70 fixed to the substrate 10 and a holding part 80 fixed to the fixing part 70 so as to be rotatable. Yes.
  • the fixed portion 70 is formed as a plate-like member whose YZ plane is substantially rectangular, but at the upper end (+ Y direction side) on the + Z direction side, the fixed portion 70 is outside the fixed portion 70.
  • a curved surface 73 that is convex toward the surface is formed.
  • the edge portion of the fixed portion 70 has the curved surface 73, the first plane 77 formed as the XZ plane, and the second plane connected to the curved surface 73 and formed as the XY plane. 78.
  • a fitting recess 76 is formed near the end on the ⁇ Z direction side in the first plane 77.
  • a notch 74 is formed at the center in the Z direction of the fixed portion 70, which is notched downward from the upper portion of the edge of the fixed portion 70.
  • the holding unit 80 of the optical fiber holding structure 50 includes a rotation unit 81 that forms the lower half of the holding unit 80, a holding unit body 82 that forms the upper half of the holding unit 80, It includes a connecting portion 89 that connects the rotating portion 81 and the holding portion main body 82 in steps.
  • the rotating portion 81 is provided with a shaft portion 83.
  • the rotating portion 81 is formed in a semicircular shape, and the tip of the retaining portion main body 82 is formed in a semicircular shape.
  • the retaining portion main body 82 is formed with a handle 88 protruding from the retaining portion main body 82 in the + Z direction side.
  • the connecting portion 89 is formed with a fitting convex portion 89A that protrudes in the ⁇ Y direction side from the ⁇ Z direction end of the connecting portion 89 in the state shown in FIG.
  • the fitting convex portion 89A is formed so as to be received and fitted in the fitting concave portion 76 in a state before rotation described later.
  • the shaft portion 83 provided in the rotating portion 81 is formed so as to be insertable into a notch portion 74 formed in the fixed portion 70, and the shaft portion 83 is inserted into the notch portion 74.
  • 80 can rotate with respect to the fixed portion 70 by a predetermined angle range. More specifically, the holding unit 80 is rotated after the holding unit 80 extends in the Z direction (depth direction) from the state before the holding unit 80 extends in parallel with the substrate 10 (see FIG. 3). Up to the state (see FIG. 4), the substrate 10 can be rotated by 90 °. The rotating mechanism will be described later.
  • the portion on the + Y direction side of the retaining portion main body 82 of the retaining portion 80 is formed in a reel-like outer shape. More specifically, the upper edge portion 86 of the retaining portion main body 82 is formed in a semicircular shape, and a cylindrical shape extending in the + X direction from the retaining portion main body 82 is formed on the inner side of the upper edge portion 86.
  • a cylindrical portion 84 is provided.
  • a flange portion 85 having a diameter larger than that of the cylindrical portion 84 is provided at the end portion on the + X direction side of the cylindrical portion 84.
  • the unconnected optical fiber 13A when there is an unconnected optical fiber 13A that does not need to be connected to the adapter section 40 (see FIG. 2), the unconnected optical fiber 13A is connected to the cylindrical section as shown in FIGS.
  • the cylindrical section By winding around the upper half of the cylindrical surface 84A (guide surface) of 84, it is possible to guide from the side close to the substrate 10 ( ⁇ Z direction side) to the side close to the operator (+ Z direction side).
  • the unconnected optical fiber 13A can be suspended and suspended on the side close to the worker.
  • the cover 11 (see FIG. 1) of the connection box 1 is removed, and the holding unit 80 is attached to the substrate 10.
  • the unconnected optical fiber 13 ⁇ / b> A can be drawn closer to the operator by tilting 90 ° to the post-rotation state.
  • the flange portion 85 and the upper edge portion 86 are provided on both sides in the X direction of the tube portion 84 so as to expand the diameter of the tube portion 84, so that the tube portion 84 is wound around the cylindrical surface 84A. It is prevented that the unconnected optical fiber 13A that is attached and held is dropped in the X direction.
  • FIG. 6 is a perspective view showing a state immediately before the holding unit 80 is rotated with respect to the fixed unit 70
  • FIG. 7 is a perspective view showing a state after the optical fiber holding structure 50 is rotated. .
  • a shaft portion 83 is formed in the rotating portion 81 of the retaining portion 80 of the optical fiber retaining structure 50.
  • the shaft portion 83 includes a shaft main body 83A and a shaft expanded portion 83B that expands at the tip of the shaft main body 83A.
  • the notch 74 is formed in the fixed portion 70.
  • the notch 74 is substantially U-shaped with a short total length in the Z direction and the Y direction.
  • the first notch 74A and the second notch 74B having a substantially U shape whose overall length in the Z and Y directions is longer than that of the first notch 74A.
  • the total length of the first notch 74A in the Z direction and the diameter of the curved portion are formed to be slightly larger than the diameter of the shaft main body 83A, and the total length of the second notch 74B in the Z direction and the curved portion of the curved portion are formed.
  • the diameter is formed to be slightly larger than the diameter of the shaft enlarged portion 83B.
  • the second notch 74 ⁇ / b> B is formed inside the first notch defining surface 79.
  • An extension wall 75 extends from the first notch defining surface 79 toward the inside of the notch 74.
  • the first notch 74 ⁇ / b> A is formed inside the second notch defining surface 75 ⁇ / b> A located at the tip of the extending wall 75.
  • a fitting convex portion 89A is formed at the end portion of the connecting portion 89 of the retaining portion 80 on the ⁇ Z direction side, and a fixing portion corresponding to the fitting convex portion 89A is formed.
  • a fitting recess 76 is formed at the end of the first flat surface 77 of 70 on the ⁇ Z direction side.
  • the holding portion main body 82 is formed with the handle 88. Therefore, by pinching the handle 88 with a finger and pulling up the holding portion 80 in the + Y direction, the fitting between the fitting convex portion 89A and the fitting concave portion 76 is released as shown in FIG. It can be rotated with respect to the fixed portion 70.
  • the handle 88 When the holding portion 80 is rotated, the handle 88 is pinched to release the fitting between the fitting convex portion 89A and the fitting concave portion 76 before turning (see FIG. 6), and then the handle 88 is moved to the front side.
  • the connecting portion 89 of the retaining portion 80 is brought into contact with the curved surface 73 of the fixing portion 70 while being pulled toward the worker side.
  • the holding portion 80 rotates with respect to the fixed portion 70 about the shaft main body 83A of the shaft portion 83 while being guided by the curved surface 73.
  • the second plane 78 extends parallel to the substrate 10 (in the Y direction) from the end portion of the curved surface 73.
  • connection portion 89 of the retaining portion 80 extends in parallel to the substrate 10 (a state extending in the Y direction).
  • the holding unit 80 receives a load from the holding unit main body 82, the connector 19 connected to the unconnected optical fiber 13A, and the like, and further downward (that is, the substrate). To a position that makes a larger angle with respect to 10).
  • a part of the connecting portion 89 is in contact with the second plane 78, further rotation of the holding portion 80 is restricted.
  • the rotation of the holding unit 80 is restricted, so that the post-rotation state shown in FIG. 4 is maintained.
  • the second flat surface 78 of the fixed portion 70 acts as a rotation restricting surface that restricts the rotation of the retaining portion 80.
  • the optical fiber holding structure 50 is shifted from the above-mentioned pre-rotation state to the post-rotation state (that is, by rotating the reservation portion 80 by 90 ° with respect to the substrate 10). ), The unconnected optical fiber 13A can be drawn closer to the operator.
  • an optical fiber guide 60 is provided below each of the optical fiber holding structures 50 and 50 described above.
  • These optical fiber guides 60 and 60 are fixed to the substrate 10 via a guide fixing plate 90 fixed to the substrate 10.
  • FIG. 8 is a view showing a portion of the back surface 10A of the substrate 10 of the connection box 1 where the optical fiber guide portion 60 is provided.
  • the optical fiber guide 60 includes a fixing protrusion 68 that penetrates the guide fixing plate 90 and protrudes toward the ⁇ Z direction (that is, the back surface 10A side of the substrate 10).
  • the fixed protrusion 68 includes a shaft portion (not shown) and a diameter-expanded portion 68A that expands at the tip of the shaft portion.
  • a plurality (three in this embodiment) of insertion holes 112 are formed on the back surface 111 of the guide portion fixing plate 90.
  • These insertion holes 112 are formed in a bowl shape, and include a large diameter portion 112A located on the + Y direction side and a small diameter portion 112B located on the ⁇ Y direction side.
  • the inner diameter of the large diameter portion 112A is larger than the outer diameter of the enlarged diameter portion 68A of the fixed protrusion 68.
  • the inner diameter of the small diameter portion 112B is smaller than the outer diameter of the enlarged diameter portion 68A and larger than the outer diameter of the shaft portion of the fixed protrusion 68.
  • the enlarged diameter portion 68A is inserted into the large diameter portion 112A, and then the diameter of the fixed protrusion 68 is shifted in the ⁇ Y direction to move the enlarged diameter portion 68A toward the small diameter portion 112B. Since the enlarged diameter portion 68A having a larger diameter than the portion 112B is positioned on the back surface 111 of the guide portion fixing plate 90 via the small diameter portion 112B, the optical fiber guide portion 60 may come out of the small diameter portion 112B. Is prevented. Thus, the optical fiber guide part 60 is fixed to the board
  • the insertion hole 112 to be used is changed. Thereby, the fixed position (height) of the Y direction of the optical fiber guide part 60 can be adjusted.
  • the optical fiber guide portion 60 includes a semi-cylindrical guide portion 62 that extends in the X direction, and a first diameter that expands from the guide portion 62 at the + X direction side end portion of the guide portion 62. Side portion 64 and a second side portion 65 whose diameter is increased from the guide portion 62 at the end portion on the ⁇ X direction side.
  • the first extending portion 67 that extends in the + Z direction and has a tip bent in the ⁇ X direction is formed in the portion on the + Z direction side of the first side portion 64.
  • a cutout 64 ⁇ / b> A is formed in the + Y direction side portion of the first side portion 64.
  • a second extending portion 63 that extends in the + X direction toward the notch 64 ⁇ / b> A of the first side portion 64 is provided in a portion on the + Y direction side of the second side portion 65.
  • a portion of the second side portion 65 on the + Z direction side has a third extension portion 66 that extends in the + Z direction and has a tip projecting toward the tip portion of the first extension portion 67. Is provided. A slight gap is close to a certain distance between the distal end portion of the first extending portion 67 and the distal end portion of the third extending portion 66.
  • an operator who has removed the unconnected optical fiber 13A from the optical fiber holding structure 50 can, for example, connect the unconnected optical fiber 13A to the first extension section 67.
  • the optical fiber guide part 60 is drawn into the optical fiber guide part 60 from the notch 64A formed on the guide part 62 (see FIG. 4) and wound along the cylindrical surface (guide surface) 62A (see FIG. 2) of the guide part 62.
  • the fiber 13A can be drawn from the side close to the substrate 10 ( ⁇ Z direction side) to the side close to the operator (+ Z direction side).
  • a second extending portion 63 extending from the second side portion 65 toward the first side portion 64 is provided on the + Y direction side of the optical fiber guiding portion 60, and the optical fiber guiding portion is provided.
  • On the + Z direction side of the portion 60 there are provided a first extension portion 67 and a third extension portion 66 that extend in the + Z direction and whose tip portions are close to each other. Since the first side portion 64 and the second side portion 65 that are expanded from the guide portion 62 are provided on both sides in the direction, the unconnected optical fiber 13A wound around the guide portion 62 is an optical fiber.
  • the optical fiber guide 60 holds the optical fiber without dropping from the guide 60.
  • the unconnected optical fiber 13A that is not connected to the adapter unit 40 is moved from the side closer to the substrate 10 to the side closer to the operator by the holding unit 80 of the optical fiber holding structure 50. Can be suspended by being suspended from the storage unit 80. Therefore, the worker can easily identify which output port among the output ports 42 of the adapter unit 40 each of the unconnected optical fibers 13 ⁇ / b> A held.
  • the optical fiber holding structure 50 in this embodiment is provided with the holding part 80 which can be rotated with respect to the fixing
  • a plurality of optical fiber holding structures 50 are provided, and a large number of unconnected optical fibers 13 ⁇ / b> A are connected to the plurality of optical fiber holding structures 50. It is suppressed that it becomes difficult to identify an unconnected optical fiber by being dispersed and suspended. Further, by providing such a plurality of optical fiber holding structures close to each other as shown in FIG.
  • the holding unit 80 can be rotated as described above, so that only the holding unit in which a desired unconnected optical fiber is held is rotated. By moving the optical fiber, it is possible to easily remove the desired optical fiber from the holding portion.
  • the desired unconnected optical fiber 13A can be easily identified, and the desired optical fiber can be easily removed from the holding portion. Work efficiency of connection work improves.
  • the retaining portion 80 can be maintained in a state parallel to the substrate 10 (that is, an angle of 0 ° with respect to the substrate 10).
  • the overall height of the cover 11 to be covered can be reduced. Therefore, slimming and miniaturization of the connection box 1 can be realized.
  • the junction box 1 in the present embodiment includes the optical fiber guide portion 60 in addition to the optical fiber holding structure 50, when the desired unconnected optical fiber 13A is removed from the holding portion 80, By winding the connection optical fiber 13A around the optical fiber guide portion 60, the unconnected optical fiber 13A can be easily held on the side close to the worker, so that the work efficiency of the connection work is further improved.
  • the unconnected optical fiber 13A is wound around the optical fiber guide 60, thereby absorbing the extra length of the unconnected optical fiber 13A and adjusting it to an appropriate length. The work efficiency of work can be further improved.
  • the state in which the storage unit 80 is parallel to the substrate 10, that is, the state in which the storage unit 80 forms 0 ° (first angle) with respect to the substrate 10 is before rotation.
  • the first angle may be arbitrarily changed.
  • the thickness of the connection box 1 can be reduced and the connection box 1 can be slimmed and reduced in size.
  • the rotation restricting surface 78 is formed in parallel with the substrate 10 to rotate the holding portion 80 by 90 ° with respect to the fixed portion 70. That is, the first angle Although the rotation is performed by 90 ° (second angle) from (0 °), the first angle described above is such that the cylindrical surface 84A (guide surface) is relative to the substrate 10 in the Z direction (depth direction). The second angle described above may be an angle at which the cylindrical surface 84A is relatively far from the substrate 10 in the Z direction. Even with such a configuration, it is possible to work by pulling the unconnected optical fiber 13A closer to the operator when removing the unconnected optical fiber 13A.
  • the holding unit 80 is moved from the state parallel to the substrate 10 (the first angle is 0 °) to the substrate. It is also possible to rotate it by 60 ° (second angle).
  • the retaining portion 80 (connecting portion 89) is provided with a fitting convex portion 89A (fitting portion), and the fixing portion 70 (first plane 77) is fitted with a fitting concave portion 76 (fitting portion).
  • a fitting recess may be provided in the retaining portion 80 and a fitting protrusion may be provided in the fixing portion 70.
  • the above-mentioned pre-rotation state may be maintained by any other configuration.
  • the curved portion 73 is formed on the fixed portion 70, and the holding portion 80 (connection portion 89) is guided on the curved surface 73 so that the holding portion 80 rotates.
  • the holding portion 80 it is not always necessary to form such a curved surface 73 on the fixing portion 70.
  • the holding portion 80 can be rotated along the curved surface of the curved surface 73 by forming the curved surface 73, smooth rotation can be realized.
  • the holding portion main body 82 is formed with the handle 88 protruding in the + Z direction, but such a handle is not necessarily formed.
  • the handle can be picked with a finger and the holding portion can be rotated, which facilitates the operation.
  • the cylindrical portion 84 of the retaining portion 80 of the optical fiber retaining structure 50 is formed in a cylindrical shape, but the present invention is not limited to this.
  • the unconnected optical fiber 13A can be smoothly wound along the cylindrical surface by forming it in a cylindrical shape, the unconnected optical fiber 13A is turned to the corner of the cylinder portion when the unconnected optical fiber 13A is wound. It is prevented that the product is damaged by hitting.
  • the holding unit 80 can be rotated from the pre-rotation state that forms the first angle with respect to the substrate 10 to the post-rotation state that forms the second angle with respect to the substrate, light Needless to say, the turning mechanism of the fiber holding structure 50 is not limited to the above-described one.
  • the guide portion 62 of the optical fiber guide portion 60 of the connection box 1 is formed in a semi-cylindrical shape, but is not limited thereto.
  • the unconnected optical fiber 13A can be smoothly wound along the cylindrical surface by forming the semi-cylindrical shape, when the unconnected optical fiber 13A is wound, the unconnected optical fiber 13A becomes the guide portion. It is prevented that it hits the corner and breaks.
  • the present invention is suitably used for an optical fiber holding structure used in a connection box that accommodates an adapter for connecting different wiring cables.

Landscapes

  • Light Guides In General And Applications Therefor (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

La présente invention concerne une structure de maintien de fibre optique qui améliore l'efficacité lors de la connexion d'une fibre optique. Une structure de maintien de fibre optique 50 comprend une partie fixe 70 fixée à un substrat 10 d'une boîte de jonction 1, et une partie de maintien qui est supportée de manière pivotante sur la partie fixe pour tourner à partir d'un état de pré-rotation ayant un premier angle par rapport au substrat jusqu'à un état de post-rotation ayant un second angle par rapport au substrat. La partie de maintien 80 est pourvue d'une surface cylindrique 84A qui déplace une fibre optique de pré-connexion 13A s'étendant relativement près du substrat 10 dans la direction Z qui est perpendiculaire au substrat 10 jusqu'à une position relativement éloignée du substrat 10 dans la direction Z pour maintenir ainsi la fibre optique de pré-connexion 13A dans un état dans lequel la fibre optique de pré-connexion 13A est suspendue dans la direction + Z (plus proche d'un travailleur). Ici, le premier angle permet à la surface cylindrique 84A de se déplacer relativement près du substrat 10 dans la direction Z et le second angle permet à la surface cylindrique 84A de se déplacer relativement loin du substrat 10 dans la direction Z.
PCT/JP2018/006665 2017-03-21 2018-02-23 Structure de maintien de fibre optique et boîte de jonction Ceased WO2018173626A1 (fr)

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JP2017-054711 2017-03-21
JP2017054711A JP6435360B2 (ja) 2017-03-21 2017-03-21 光ファイバ保留構造及び接続箱

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WO2018173626A1 true WO2018173626A1 (fr) 2018-09-27

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Publication number Priority date Publication date Assignee Title
JP7107978B2 (ja) * 2020-01-16 2022-07-27 矢崎総業株式会社 電線の配索方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58166310A (ja) * 1982-03-26 1983-10-01 Fujitsu Ltd 光ケ−ブルの余長処理方式
JPH06208027A (ja) * 1992-09-04 1994-07-26 Krohne Ag グラスファイバケーブルのシングルワイヤ及びワイヤ束の保留装置
JPH1090525A (ja) * 1996-09-12 1998-04-10 Fujikura Ltd 光ファイバの分岐接続装置
JP2001272550A (ja) * 2000-03-27 2001-10-05 Nippon Comsys Corp ケーブル余長処理ハルター
JP2003121658A (ja) * 2001-10-15 2003-04-23 Fujitsu Ltd 電子装置
JP2011013497A (ja) * 2009-07-02 2011-01-20 Fujikura Ltd 光成端箱
JP2013024923A (ja) * 2011-07-15 2013-02-04 Panasonic Corp 成端箱
US20130129295A1 (en) * 2011-11-21 2013-05-23 Opterna Am, Inc. Fiber Optic Collector and Terminal Assemblies
US20140321850A1 (en) * 2007-09-06 2014-10-30 Prysmian S.P.A. Modular system and methods for connecting an external communication network to a user network of a building
US9042702B2 (en) * 2012-09-18 2015-05-26 Corning Cable Systems Llc Platforms and systems for fiber optic cable attachment

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58166310A (ja) * 1982-03-26 1983-10-01 Fujitsu Ltd 光ケ−ブルの余長処理方式
JPH06208027A (ja) * 1992-09-04 1994-07-26 Krohne Ag グラスファイバケーブルのシングルワイヤ及びワイヤ束の保留装置
JPH1090525A (ja) * 1996-09-12 1998-04-10 Fujikura Ltd 光ファイバの分岐接続装置
JP2001272550A (ja) * 2000-03-27 2001-10-05 Nippon Comsys Corp ケーブル余長処理ハルター
JP2003121658A (ja) * 2001-10-15 2003-04-23 Fujitsu Ltd 電子装置
US20140321850A1 (en) * 2007-09-06 2014-10-30 Prysmian S.P.A. Modular system and methods for connecting an external communication network to a user network of a building
JP2011013497A (ja) * 2009-07-02 2011-01-20 Fujikura Ltd 光成端箱
JP2013024923A (ja) * 2011-07-15 2013-02-04 Panasonic Corp 成端箱
US20130129295A1 (en) * 2011-11-21 2013-05-23 Opterna Am, Inc. Fiber Optic Collector and Terminal Assemblies
US9042702B2 (en) * 2012-09-18 2015-05-26 Corning Cable Systems Llc Platforms and systems for fiber optic cable attachment

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