JP2019139183A - Optical wiring unit and method for manufacturing optical wiring unit - Google Patents

Abstract

To provide an optical wiring unit which allows a drawing portion slidable with respect to a housing to be easily removed from the housing.SOLUTION: The optical wiring unit comprises a drawing portion having an optical connector connection portion, a housing which accommodates the drawing portion and a slide mechanism 50 making the drawing portion slide with respect to the housing. A connection mechanism 60 is also provided between the drawing portion and the slide mechanism. The connection mechanism includes a first connection portion 61 on the slide mechanism side, having a first latch portion 63 and a first guide portion 64 and a second connection portion on the drawing portion side, having a second latch portion 66 latched on the first latch portion and a second guide portion 68 guided by the first guide portion.SELECTED DRAWING: Figure 4

Description

  The present invention relates to an optical wiring unit and a method for manufacturing the optical wiring unit.

  2. Description of the Related Art As an optical wiring unit constituting an optical connection box, an optical wiring box, or the like, a unit in which a plurality of optical component storage trays are inserted into a housing and stored is known. With regard to such an optical wiring unit, for example, in Patent Document 1, an optical component storage tray (optical fiber tray 4 shown in FIGS. 1 and 2) has a housing (tray storage shelf 5 shown in FIGS. 1 and 2). An optical wiring unit supported so as to be slidable is disclosed.

JP 2005-157195 A

  In the optical wiring unit described in Patent Document 1, a fixed rail (fixed side rail 8 shown in FIGS. 1 and 2) fixed to the housing side by screwing or the like, and an optical component storage tray side by screwing or the like. A slide mechanism is constituted by the fixed movable rail (moving side rail 15 shown in FIGS. 1 and 2). For this reason, when removing and replacing the optical component storage tray from the housing for repair or the like, it is necessary to remove these screws and the like that fix the slide mechanism (fixed rail and movable rail). Therefore, the workability of replacing the optical component storage tray is poor.

  An object of the present invention is to provide an optical wiring unit in which a drawer portion slidable with respect to a housing can be easily removed from the housing.

  Some embodiments of the present invention include an optical wiring unit that includes a drawer including an optical connector connection, a housing that houses the drawer, and a slide mechanism that slides the drawer relative to the housing. And a coupling mechanism provided between the drawer portion and the slide mechanism. The coupling mechanism is provided on the slide mechanism side, and includes a first latch portion and a first guide portion. A first connecting part, a second connecting part provided on the drawer part side and latching with the first latch part, and a second guide part guided by the first guide part; An optical wiring unit comprising:

  Other characteristics of the present invention will be made clear by the description and drawings described later.

  According to some embodiments of the present invention, in the optical wiring unit, the drawer portion slidable with respect to the housing can be easily detached from the housing.

FIG. 1 is a perspective view of the optical wiring unit 10 provided with the coupling mechanism 60 of the present embodiment. FIG. 2 is a perspective view showing a state in which the drawer portion 12 is removed from the housing 11. FIG. 3 is an exploded perspective view of the slide mechanism 50 of the present embodiment and the connecting mechanism 60 of the present embodiment. 4A and 4B are cross-sectional views of the slide mechanism 50 of the present embodiment and the connecting mechanism 60 of the present embodiment. 5A to 5C are diagrams illustrating a state of the removal operation of the drawer portion 12. FIG. 6 is a flowchart of a method for manufacturing the optical wiring unit 10 provided with the coupling mechanism 60 of the present embodiment.

  At least the following matters will be apparent from the description and drawings described below.

  An optical wiring unit comprising: a drawer portion including an optical connector connection portion; a housing that houses the drawer portion; and a slide mechanism that slides the drawer portion with respect to the housing, wherein the drawer portion, A coupling mechanism provided between the sliding mechanism and the sliding mechanism; the coupling mechanism being provided on the sliding mechanism side; a first coupling portion including a first latch portion and a first guide portion; and the drawer portion. An optical wiring unit comprising: a second connecting portion provided on a side, the second latch portion latching with the first latch portion, and a second guide portion guided by the first guide portion. Becomes clear. According to such an optical wiring unit, in the optical wiring unit, the drawer portion slidable with respect to the housing can be easily detached from the housing.

  The first latch part may include a latch hole, and the second latch part may include a latch protrusion that engages with the latch hole. Thereby, the movement of the 2nd connection part with respect to a 1st connection part can be controlled.

  The second latch part preferably includes a latch release claw for releasing the latch protrusion from the latch hole. Thereby, the restriction | limiting of the movement of the 2nd connection part with respect to a 1st connection part can be cancelled | released.

  The first guide part may include a guide groove part, and the second guide part may include a guide plate part that fits into the guide groove. Thereby, the moving direction of the 2nd connection part with respect to a 1st connection part can be controlled to a drawing-out direction or a pushing-in direction.

  The end portion of the guide plate portion is preferably formed in a tapered shape. Thereby, attachment of the 2nd connection part to the 1st connection part can be made easy.

  It is desirable that the first connecting portion includes a movement restricting portion, and the second connecting portion includes a movement restricting protrusion that is locked to the movement restricting portion. Thereby, the movement of the 2nd connection part with respect to a 1st connection part can be controlled.

An optical wiring unit manufacturing method comprising: a drawer portion including an optical connector connection portion; a housing that houses the drawer portion; and a slide mechanism that slides the drawer portion relative to the housing;
A coupling mechanism provided between the drawer section and the slide mechanism, a first coupling section including a first latch section and a first guide section, and a second latch latching with the first latch section. A connecting mechanism comprising a second connecting part comprising a first guide part and a second guide part guided by the first guide part, attaching the slide mechanism to the housing, and attaching to the drawer part The method of manufacturing an optical wiring unit is characterized in that the second connecting portion is attached to the first connecting portion attached to the slide mechanism, and the drawer portion is attached to the slide mechanism. Become. According to such an optical wiring unit manufacturing method, it is possible to easily manufacture an optical wiring unit having a drawer portion slidable with respect to the housing.

  The first latch portion includes a latch hole, the second latch portion includes a latch protrusion, and the latch protrusion engages with the latch hole, so that the second latch is the first latch. It is desirable to latch with respect to the latch part. Thereby, the movement of the 2nd connection part with respect to a 1st connection part can be controlled.

=== This Embodiment ===
<Overall Configuration of Optical Wiring Unit 10>
FIG. 1 is a perspective view of the optical wiring unit 10 provided with the coupling mechanism 60 of the present embodiment.

  In the following description, each direction is defined as shown in the figure. That is, the direction in which the drawer 12 is moved (drawn or pushed) with respect to the housing 11 of the optical wiring unit 10 is “front-rear direction”, the side from which the drawer 12 is pulled out is “front”, and the opposite side (drawer 12 The side that pushes in is “rear”. Note that the front-rear direction may be referred to as a “drawing direction” or a “push-in direction”. The direction in which a plurality of optical connector adapters 16 (hereinafter sometimes simply referred to as “optical adapters 16”) are arranged in the drawer 12 is referred to as “vertical direction”, and the optical fiber cable holder 20 is The side to be provided is “lower” and the opposite side is “upper”. Further, the direction perpendicular to the front-rear direction and the up-down direction is referred to as “left-right direction”, the right side when viewed from the front to the rear is “right”, and the opposite side is “left”. The left-right direction is also the direction in which the plurality of drawers 12 are arranged.

  The optical wiring unit 10 is a device in which a trunk optical fiber cable having a plurality of cores is branched into optical fibers for each single core, and the ends of the branched optical fibers are terminated so that connectors can be connected. It is. The optical wiring unit 10 may be called an optical connection box. Furthermore, the optical wiring unit 10 may be called an optical termination box or an optical wiring box. As shown in FIG. 1, in this embodiment, a trunk optical fiber cable 1 having a plurality of cores is branched into an inner side optical fiber cable 3 for each single core by a branching section 2 provided at the rear of the optical wiring unit 10. ing. Further, the bundle of branched inner optical fiber cables 3 is introduced into the housing 11 of the optical wiring unit 10, and the end of each inner optical fiber cable 3 is connected to the optical adapter 16 inside the housing 11. Each is connected (not shown). An internal optical connector plug 4 (hereinafter sometimes simply referred to as “internal optical plug 4”) is provided at the end of each internal optical fiber cable 3, and each internal optical plug 4 Is connected to the optical adapter 16. A work-side optical connector plug 5 (hereinafter sometimes simply referred to as “work-side optical plug 5”) is inserted into and removed from the optical adapter 16 to which the internal-side optical plug 4 is connected. By doing so, the connection between the internal optical fiber cable 3 and the working optical fiber cable 6 can be switched. As shown in FIG. 1, the bundle of working side optical fiber cables 6 is routed below the optical wiring unit 10.

  The optical wiring unit 10 includes a housing 11, a plurality of drawers 12, and a slide mechanism 50.

  The housing 11 is a member that houses the plurality of drawers 12 and the slide mechanism 50. Moreover, the housing | casing 11 is also a member which fixes the optical wiring unit 10 by attaching to the rack not shown. Since the front surface of the housing 11 is not provided and is open, a later-described drawer portion 12 can be pulled out from the housing 11 to the front side. Note that a lid member (not shown) may be provided so as to cover the front surface of the housing 11 when all of the plurality of drawers 12 are in the pushed state (described later).

  The drawer portion 12 is a member that holds a plurality (six in this case) of optical adapters 16 (described later). As shown in FIG. 1, the lead-out part 12 is formed in a plate shape perpendicular to the left-right direction. The drawer portion 12 has an optical adapter 16, and a plurality of optical adapters 16 are arranged on the front side of the drawer portion 12. In the optical wiring unit 10 of the present embodiment, twelve lead portions 12 are arranged in the left-right direction. However, the arrangement direction and the number of the lead portions 12 in the optical wiring unit 10 of the present embodiment are not limited to this. A slide mechanism 50 is provided at each of the upper and lower ends of the drawer portion 12. Thereby, the drawer part 12 can be moved (drawn or pushed) with respect to the housing 11.

  In FIG. 1, among the plurality of lead portions 12 included in the optical wiring unit 10, the second lead portion 12 from the left is pulled out. In this way, the state where the drawer portion 12 is pulled out may be referred to as a “drawer state”. Further, as shown in FIG. 1, among the plurality of lead portions 12 included in the optical wiring unit 10, the lead portions 12 other than the second lead portion 12 from the left are not drawn. Thus, the state where the drawer portion 12 is not pulled out may be referred to as an “initial state” or a “push-in state”. Since the optical adapter 16 (described later) is pulled out to the front side of the optical adapter 16 of the other drawer portion 12 in the drawer portion 12 in the drawer state, the worker can work the optical plug 5 on the work side with respect to the optical adapter 16. Can be easily performed. Then, when the drawer portion 12 that is in the pulled out state is pushed in, the initial state (or the pushed state) is restored.

  The optical adapter 16 is a member that allows the optical fiber cable inside and outside the optical wiring unit 10 to be connected to a connector. As shown in FIG. 1, in the present embodiment, the inner side optical plug 4 and the working side optical plug 5 are connected via the optical adapter 16, so that the inner side optical fiber cable 3 in the casing 11 and the casing are connected. A work-side optical fiber cable 6 outside the body 11 is connected by a connector. The optical adapter 16 may be referred to as “optical connector connection portion 16”. As shown in FIG. 1, the lead-out portion 12 in the optical wiring unit 10 of the present embodiment has a plurality (here, six) of optical adapters 16. The optical adapter 16 is a four-fiber type optical adapter. For this reason, the drawer | drawing-out part 12 has a connection port of a total of 24 work side optical plugs 5 (or internal side optical plug 4) in an up-down direction. However, the arrangement direction and the number of the optical adapters 16 and the connection ports are not limited to this.

  The slide mechanism 50 is a member that enables the drawer portion 12 to move in the front-rear direction. A fixed rail of the slide mechanism 50 is attached to the housing 11, and a movable rail of the slide mechanism 50 is attached to the drawer portion 12. When the movable rail moves in the front-rear direction with respect to the fixed rail, the drawer portion 12 can move in the front-rear direction with respect to the housing 11. Note that a pair of slide mechanisms 50 are provided above and below the drawer 12.

  In the present embodiment, the optical wiring unit 10 further includes an optical fiber cable holder 20, a wiring identification unit 40, a coupling mechanism 60, and a cable introduction unit 80.

  The optical fiber cable holder 20 is a member that holds a plurality of optical fiber cables in a bundle. As shown in FIG. 1, the optical fiber cable holder 20 of this embodiment is attached to the lower part of the drawer portion 12. A plurality of work-side optical fiber cables 6 that are connected to the optical adapter 16 of the drawer portion 12 and hang down are bundled and held. As described above, since the drawer portion 12 has a total of 24 connection ports for the work side optical plugs 5 in the vertical direction, the optical fiber cable holder 20 has a maximum of 24 work side optical fiber cables 6. Can be bundled and held. However, the number of work side optical fiber cables 6 that can be held by the optical fiber cable holder 20 is not limited to this. Further, for example, the optical fiber cable holder 20 may be attached to the inside of the housing 11 to bundle and hold the plurality of inner optical fiber cables 3. Furthermore, the optical fiber cable holder 20 may bundle and hold a plurality of optical fiber cables other than the work side optical fiber cable 6 and the inner side optical fiber cable 3.

  The wiring identification unit 40 is a member that identifies a bundle of optical fiber cables. As shown in FIG. 1, the wiring identification unit 40 of the present embodiment is attached to a fixing member 13 provided inside the housing 11. A plurality of inner-side optical fiber cables 3 connected to the optical adapter 16 of the drawer portion 12 are bundled and held. However, in FIG. 1, illustration of a state in which the wiring identification unit 40 holds the plurality of inner optical fiber cables 3 in a bundle is omitted. In addition, the bundle of the inner optical fiber cables 3 can be identified for each lead-out portion 12 by the identification mark 44 provided on the identification portion 42 of the wiring identification unit 40. As described above, since the lead-out portion 12 has a total of 24 connection ports for the internal optical plugs 4 in the vertical direction, the wiring identification unit 40 has a maximum of 24 internal optical fiber cables 3. Can be bundled and held. However, the number of the inner side optical fiber cables 3 that can be held by the wiring identification unit 40 is not limited to this. Further, for example, the work identification optical fiber cable 6 may be bundled and held by attaching the wiring identification unit 40 to the outside of the housing 11. Further, the wiring identification unit 40 may bundle and hold a plurality of optical fiber cables other than the work side optical fiber cable 6 and the inner side optical fiber cable 3.

  The connection mechanism 60 is a member that allows the drawer portion of the optical wiring unit to be detached from the housing of the optical wiring unit. As shown in FIG. 1, the connection mechanism 60 of the present embodiment is provided between the drawer portion 12 and the slide mechanism 50. A pair of coupling mechanisms 60 are provided above and below the drawer portion 12.

  The cable introduction unit 80 is a member that introduces the optical fiber cable into the housing of the optical wiring unit. As shown in FIG. 1, the cable introduction portion 80 of this embodiment is provided at the rear portion of the housing 11. Further, the branch portion 2 is attached to the cable introduction portion 80. A trunk optical fiber cable 1 having a plurality of cores is branched into an inner side optical fiber cable 3 for each single core by the branch part 2, and a bundle of the inner side optical fiber cables 3 is introduced into an introduction opening 81 provided in the cable introduction part 80. To the inside of the housing 11.

<Sliding mechanism 50 and connecting mechanism 60>
FIG. 2 is a perspective view showing a state in which the drawer portion 12 is removed from the housing 11. FIG. 3 is an exploded perspective view of the slide mechanism 50 of the present embodiment and the connecting mechanism 60 of the present embodiment. 4A and 4B are cross-sectional views of the slide mechanism 50 of the present embodiment and the connecting mechanism 60 of the present embodiment.

  FIG. 2 shows a state in which only the sixth drawer portion 12 from the left is housed in the housing 11 among the twelve drawer portions 12 housed in the housing 11 of the optical wiring unit 10, and the other drawer portions The state where 12 is removed from the housing 11 is shown. Further, as shown by a broken line part in FIG. 2, in order to illustrate the inside of the housing 11, a part of the wall surface of the housing 11 is not illustrated. 3 to 4B illustrate only the slide mechanism 50 and the coupling mechanism 60 provided on the lower side of the drawer portion 12 among the slide mechanisms 50 and the coupling mechanisms 60 provided in pairs above and below the drawer portion 12. The illustration of the slide mechanism 50 and the coupling mechanism 60 provided on the upper side of the drawer portion 12 is omitted.

  In the following description, before describing the connection mechanism 60 of the present embodiment, the configuration of the slide mechanism 50 that allows the drawer portion 12 to move in the front-rear direction will be described first. As described above, the slide mechanism 50 is a member that allows the drawer portion 12 to move in the front-rear direction. The slide mechanism 50 includes a fixed slide rail 51, an intermediate rail 52, and a movable slide rail 53 (see FIG. 3). In the slide mechanism 50 of this embodiment, an intermediate rail 52 is slidable with respect to the fixed slide rail 51, and a movable slide rail 53 is slidable with respect to the intermediate rail 52. Thus, the slide mechanism 50 of this embodiment is what is called a double slide rail comprised by three rails. However, the slide mechanism 50 is not limited to a double slide rail, and it is sufficient that the movable slide rail 53 is slidable with respect to the fixed slide rail 51. That is, the slide mechanism 50 does not have the intermediate rail 52 but may be a so-called single slide rail configured by two rails.

  The stationary slide rail 51 is a rail member that is fixed to the housing 11. The intermediate rail 52 is a rail member disposed between the fixed side slide rail 51 and the movable side slide rail 53. The movable slide rail 53 is a rail member that is fixed to a slide side connecting portion 61 (described later) of the connecting mechanism 60.

  Next, the configuration of the coupling mechanism 60 will be described. As described above, the coupling mechanism 60 is a member that enables the drawer portion of the optical wiring unit to be detached from the housing of the optical wiring unit. The connection mechanism 60 is provided between the drawer portion 12 and the slide mechanism 50. A pair of coupling mechanisms 60 are provided above and below the drawer portion 12. In the present embodiment, the coupling mechanism 60 is separated into an upper portion (a drawer-side coupling portion 62 described later) and a lower portion (a slide-side coupling portion 61 described later), so that the optical wiring unit 10 can The slidable drawer portion 12 can be easily removed from the housing 11.

  The connection mechanism 60 includes a slide-side connection portion 61 (hereinafter sometimes referred to as “first connection portion”) and a drawer-side connection portion 62 (hereinafter also referred to as “second connection portion”). .

  The slide side connecting portion 61 is a connecting member fixed to the slide mechanism 50. The slide-side connecting portion 61 has a latch hole 63 (hereinafter may be referred to as a “first latch portion”), a guide groove portion 64 (hereinafter may be referred to as a “first guide portion”), and And a pair of left and right movement restricting portions 65.

  The latch hole 63 is a portion where a latch projection 66 of the drawer side connecting portion 62 described later latches. The latch hole portion 63 is provided on the front side of the slide side connecting portion 61. When the latch projection 66 of the drawer side connecting portion 62 latches with respect to the latch hole 63, the drawer side connecting portion 62 is restricted from moving forward with respect to the slide side connecting portion 61. That is, the movement of the drawer portion 12 to which the drawer side connecting portion 62 is fixed is restricted from moving in the drawer direction.

  The guide groove portion 64 is a portion that guides a guide plate portion 68 of a drawer side connecting portion 62 described later. The guide groove portion 64 is a portion formed in a groove shape extending in the front-rear direction of the slide side connecting portion 61. By guiding the guide plate portion 68 of the drawer side coupling portion 62 with respect to the guide groove portion 64, the movement direction of the drawer portion 12 to which the drawer side coupling portion 62 is fixed is only in the drawer direction or the pushing direction (front-back direction). Be regulated. As shown in FIG. 4B, when the guide plate portion 68 is fitted into the guide groove portion 64, the movement direction of the drawer portion 12 to which the drawer side connecting portion 62 is fixed is restricted to the drawer direction or the push-in direction (front-rear direction) only. Is done. That is, when the left and right side surfaces of the guide plate portion 68 are in contact with the left and right side surfaces of the guide groove portion 64, the movement of the guide plate portion 68 (the drawer side connecting portion 62) in the left and right direction is restricted. Further, when the bottom surface of the guide plate portion 68 comes into contact with the bottom surface of the guide groove portion 64, the downward movement of the guide plate portion 68 (the drawer side connecting portion 62) is restricted. As described above, FIG. 4B illustrates the coupling mechanism 60 provided on the lower side of the drawer portion 12, but the bottom surface of the guide groove portion 64 in the coupling mechanism 60 provided on the upper side of the drawer portion 12 is illustrated. When the bottom surface of the guide plate portion 68 abuts, the upward movement of the guide plate portion 68 (the drawer side connecting portion 62) is restricted.

  The movement restricting portion 65 is a portion that restricts the drawer side connecting portion 62 from moving backward relative to the slide side connecting portion 61 (see FIG. 3 for the movement restricting portion 65). The movement restricting portion 65 is provided at the front end portion of the guide groove portion 64. A pair of left and right movement restricting portions 65 are provided. Further, when the pair of movement restricting protrusions 69 of the drawer side connecting part 62 are locked to the movement restricting part 65, the drawer side connecting part 62 is restricted from moving rearward with respect to the slide side connecting part 61. Is done.

  The drawer side connecting portion 62 is a connecting member fixed to the drawer portion 12. The drawer-side connecting portion 62 includes a latch protrusion 66 (hereinafter sometimes referred to as “second latch portion”), a latch release claw 67, and a guide plate portion 68 (hereinafter referred to as “second guide portion”). And a pair of left and right movement restricting protrusions 69.

  The latch protrusion 66 is a part that latches in the latch hole 63 of the slide side connecting part 61. The latch protrusion 66 is provided on the front side of the drawer side connecting portion 62. When the latch protrusion 66 latches in the latch hole 63 of the slide side connecting portion 61, the drawer side connecting portion 62 is restricted from moving forward relative to the slide side connecting portion 61. That is, the movement of the drawer portion 12 to which the drawer side connecting portion 62 is fixed is restricted from moving in the drawer direction.

  The latch release claw 67 is a part for releasing the latch between the latch hole 63 of the slide side connecting portion 61 and the latch protrusion 66 of the drawer side connecting portion 62. The latch release claw 67 is formed integrally with the latch protrusion 66. Therefore, when the latch release claw 67 moves upward, the integrally formed latch projection 66 also moves upward, and the latch of the latch projection 66 with respect to the latch hole 63 is released. Thereby, the latch of the latch hole 63 of the slide side connecting part 61 and the latch protrusion 66 of the drawer side connecting part 62 can be released.

  The guide plate portion 68 is a portion that is guided by the guide groove portion 64 of the slide side connecting portion 61. The guide plate portion 68 is a portion provided behind the latch projection 66 and the latch release claw 67 and is formed integrally with the latch projection 66 and the latch release claw 67. As shown in FIG. 4B, when the guide plate portion 68 is fitted into the guide groove portion 64, the moving direction of the pull-out portion 12 to which the pull-out side connecting portion 62 is fixed is restricted only in the pull-out direction or the push-in direction (front-rear direction). Is done.

  The movement restricting projection 69 is a part that is locked to the movement restricting portion 65 of the slide side connecting portion 61 (see FIG. 3 for the movement restricting projection 69). The movement restricting projections 69 are provided in pairs on the left and right sides. When the pair of movement restricting projections 69 are engaged with the movement restricting portion 65, the drawer side connecting portion 62 is located on the rear side with respect to the slide side connecting portion 61. Is restricted from moving to.

  Note that the drawer-side connecting portion 62 of the present embodiment is provided with tapered portions (side tapered portion 70 and bottom tapered portion 71). Thereby, when attaching the drawer side connection part 62 to the slide side connection part 61, the end part of the drawer side connection part 62 can be easily inserted.

  In addition, in the connection mechanism 60 of this embodiment, the slide side connection part 61 and the drawer side connection part 62 may be provided upside down. That is, the structure of the drawer side connection part 62 may be provided as the first connection part, and the structure of the slide side connection part 61 may be provided as the second connection part.

<How to remove the drawer 12>
5A to 5C are diagrams illustrating a state of the removal operation of the drawer portion 12.

  FIG. 5A illustrates a state in which the drawer portion 12 is pushed into the housing 11. 5A to 5C, the boundary line between the housing 11, the slide mechanism 50, the coupling mechanism 60, and the drawer portion 12 is indicated by a broken line. Further, with respect to the slide mechanism 50, only the fixed side slide rail 51 and the movable side slide rail 53 are shown, and the lines of the slide portions of both are shown by solid lines. In addition, with respect to the coupling mechanism 60, the lines of the separated portions of the slide side coupling portion 61 and the drawer side coupling portion 62 are indicated by solid lines. Therefore, a line indicated by a broken line indicates a fixed boundary, and a line indicated by a solid line indicates a boundary that slides or separates.

  As shown in FIG. 5B, when removing the drawer 12 from the housing 11, the operator first slides the slide mechanism 50. That is, by sliding the movable slide rail 53 with respect to the fixed slide rail 51 fixed to the casing 11, the casing 11 and the coupling mechanism 60 fixed to the movable slide rail 53 move to the front side.

  Next, the worker separates the slide side connecting portion 61 and the drawer side connecting portion 62 of the connecting mechanism 60. Specifically, as shown in the right side view of FIG. 5B, the latch release claw 67 is pulled up (toward the drawer portion 12), and the latch protrusion 66 formed integrally with the latch release claw 67 has a latch hole portion. By moving upward with respect to 63, the latch with respect to the latch hole 63 of the latch protrusion 66 is released. Then, since the slide side connecting portion 61 and the drawer side connecting portion 62 can be separated, the drawer portion 12 fixed to the drawer side connecting portion 62 moves in the front-rear direction with respect to the slide side connecting portion 61. Is possible.

  In the present embodiment, as shown by the arrow in FIG. 5B, the drawer side 12 fixed to the drawer side coupling part 62 is moved relative to the slide side coupling part 61 by moving the slide side coupling part 61 rearward. Can be moved forward. As shown in FIG. 5C, the slide side connecting portion 61 and the movable side slide rail 53 move backward according to the slide direction of the slide mechanism 50. Note that the slide side connecting portion 61 and the movable side slide rail 53 move rearward according to the guide direction of the connecting mechanism 60. Therefore, it is not necessary to move the drawer portion 12 fixed to the drawer side connecting portion 62 further to the front side with respect to the slide side connecting portion 61. Thereby, the space of the removal operation | work of the drawer | drawing-out part 12 can be suppressed.

<Method for Manufacturing Optical Wiring Unit 10 Provided with Connecting Mechanism 60>
FIG. 6 is a flowchart of a method for manufacturing the optical wiring unit 10 provided with the coupling mechanism 60 of the present embodiment. In the following description, an assembling procedure of the configuration of the optical wiring unit 10 described above is shown in the method for manufacturing the optical wiring unit 10.

  First, the operator attaches the slide mechanism 50 to the housing 11 of the optical wiring unit 10 (S001). At this time, the fixed slide rail 51 portion of the slide mechanism 50 is fixed to the housing 11 by screwing or the like. Next, the worker attaches the slide side connecting portion 61 of the connecting mechanism 60 to the movable side slide rail 53 of the slide mechanism 50 attached to the housing 11 (S002). At this time, the slide side connecting portion 61 and the drawer side connecting portion 62 of the connecting mechanism 60 are separated in advance, and the slide side connecting portion 61 is fixed to the movable side slide rail 53 by screwing or the like. On the other hand, the drawer-side coupling part 62 of the coupling mechanism 60 is attached to the drawer part 12 side (S003). At this time, the drawer side connecting part 62 is fixed to the drawer part 12 by screwing or the like.

  Next, the operator attaches the drawer portion 12 to the slide mechanism 50 by inserting the drawer portion 12 to which the drawer side connecting portion 62 is attached into the movable side slide rail 53 to which the slide side connecting portion 61 is attached (S004). ). At this time, since the guide plate portion 68 of the drawer side connecting portion 62 is guided by the guide groove portion 64 of the slide side connecting portion 61, the drawer portion 12 can be easily attached to the slide mechanism 50. Further, the worker latches the latch protrusion 66 of the drawer side connecting portion 62 in the latch hole 63 of the slide side connecting portion 61. Thereby, the drawer part 12 is fixed to the slide mechanism 50.

  As described above, the drawer portion 12 can be attached to the slide mechanism 50 simply by inserting the drawer portion 12 to which the drawer side connecting portion 62 is attached into the movable slide rail 53 to which the slide side connecting portion 61 is attached. If the drawer portion 12 is directly attached to the slide mechanism 50, the drawer portion 12 is attached to the slide mechanism 50 by screwing or the like in order to fix it to the slide mechanism 50. However, in the present embodiment, the drawer portion 12 to which the drawer side connecting portion 62 is attached is inserted into the movable side slide rail 53 to which the slide side connecting portion 61 is attached, and the latch protrusion 66 of the drawer side connecting portion 62 is slid. The drawer portion 12 is attached to the slide mechanism 50 by being latched in the latch hole portion 63 of the side connecting portion 61. For this reason, the drawer | drawing-out part 12 can be easily attached with respect to the slide mechanism 50, without requiring work, such as screwing. Moreover, in this embodiment, it has a structure which can attach many drawer | drawing-out parts 12 with respect to the housing | casing 11 (here 12 pieces). Therefore, when it is necessary to attach a large number of drawers 12 to the housing 11 as described above, it is particularly easy to attach the drawers 12 to the slide mechanism 50 without requiring work such as screwing. It will be advantageous.

=== Other Embodiments ===
The above-described embodiments are for facilitating understanding of the present invention, and are not intended to limit the present invention. The present invention can be modified and improved without departing from the gist thereof, and it goes without saying that the present invention includes equivalents thereof.

1 trunk optical fiber cable, 2 branching section,
3 Internal optical fiber cable, 4 Internal optical connector plug (internal optical plug),
5 working side optical connector plug (working side optical plug), 6 working side optical fiber cable,
10 optical wiring unit (optical junction box), 11 housing, 12 drawer part,
16 Optical connector adapter (optical adapter, optical connector connection part),
20 optical fiber cable holder, 40 wiring identification unit,
42 identification part, 44 identification mark, 50 slide mechanism,
51 fixed side slide rail, 52 intermediate rail, 53 movable side slide rail,
60 coupling mechanism, 61 slide side coupling part (first coupling part),
62 drawer side connecting portion (second connecting portion), 63 latch hole portion (first latch portion),
64 guide groove portions (first guide portions), 65 movement restricting portions,
66 latch protrusion (second latch part), 67 latch release claw,
68 guide plate part (second guide part), 69 movement restricting projection,
70 side taper portion, 71 bottom taper portion, 72 hole side locking surface, 73 protrusion side locking surface,
80 Cable introduction part

Claims (8)

An optical wiring unit having a drawer part including an optical connector connection part, a housing that houses the drawer part, and a slide mechanism that slides the drawer part with respect to the housing,
A connection mechanism provided between the drawer and the slide mechanism;
The coupling mechanism is
A first coupling portion provided on the slide mechanism side and including a first latch portion and a first guide portion;
And a second connecting portion provided on the drawer portion side, the second latch portion latching with the first latch portion, and a second guide portion guided by the first guide portion. Optical wiring unit. The optical wiring unit according to claim 1,
The first latch portion includes a latch hole,
The optical latch unit, wherein the second latch portion includes a latch protrusion that is engaged with the latch hole. The optical wiring unit according to claim 2,
The optical wiring unit, wherein the second latch part includes a latch release claw for releasing the latch protrusion from the latch hole. The optical wiring unit according to claim 1,
The first guide part includes a guide groove part,
The optical wiring unit, wherein the second guide portion includes a guide plate portion that fits into the guide groove. The optical wiring unit according to claim 4,
An end portion of the guide plate portion is formed in a taper shape. The optical wiring unit according to claim 4 or 5,
The first connecting part includes a movement restricting part,
The second interconnecting portion includes a movement restricting protrusion that is locked to the movement restricting portion. An optical wiring unit manufacturing method comprising: a drawer portion including an optical connector connection portion; a housing that houses the drawer portion; and a slide mechanism that slides the drawer portion relative to the housing;
A coupling mechanism provided between the drawer and the slide mechanism,
A first connecting portion including a first latch portion and a first guide portion; a second latch portion latching with the first latch portion; and a second guide portion guided by the first guide portion. Preparing a coupling mechanism comprising two coupling parts;
Attaching the slide mechanism to the housing;
An optical wiring unit, wherein the drawer portion is attached to the slide mechanism by attaching the second connection portion attached to the drawer portion to the first connection portion attached to the slide mechanism. Manufacturing method. It is a manufacturing method of the optical wiring unit according to claim 7,
The first latch portion includes a latch hole, and the second latch portion includes a latch protrusion.
The method of manufacturing an optical wiring unit, wherein the latch protrusion engages with the latch hole, so that the second latch latches with respect to the first latch part.

Images