JP6765752B2 - Splice unit - Google Patents

Description

The present invention relates to a splice unit.

Conventionally, it has been known that a splice unit, an optical communication device unit (media converter, HUB, etc.) or the like is mounted on an electric device storage box. As described in Patent Document 1, an optical cable is wired in such an electric device storage box. A connector is formed at the end of the optical cable, and this connector is used by connecting it to a connector connection portion provided on a patch panel or the like. Normally, the operator connects the optical cable to the back side of the patch panel, and the user pulls out the optical cable from the front side of the patch panel and connects it to the optical communication device unit so that the operator's communication line can be used. Become.

Japanese Unexamined Patent Publication No. 2004-144808

By the way, the optical communication device unit mounted in the electric device storage box may have an optical cable input terminal on the back side. In this case, it is necessary to route the optical cable from the front side to the back side of the patch panel, and it may be necessary to provide a space for that purpose between the splice unit and the optical communication equipment unit.

The inventor of this case tried to solve this problem by diligently examining this point. An object of the present invention is to provide a configuration in which it is not necessary to secure a routing space for pulling out the optical cable connected to the front side of the patch panel to the back side only in the space outside the splice unit.

In order to solve the above problems, the following means will be adopted. The first means is a splice unit in which a patch panel that can connect an optical cable connector to the front and rear surfaces is rotatably supported, and a patch panel and a vertical surface are provided on the front surface of the housing and adjacent to the patch panel. It is a splice unit provided with a through hole on the vertical surface that allows the optical cable to be routed from the patch panel to the back side, and a hinge that rotatably supports the patch panel on the vertical surface .

In the first means, it is preferable that the vertical surface is provided with a hinge that rotatably supports the patch panel. Further, it is preferable that the vertical surface is provided with a removable covering portion that closes the wiring port, and the covering portion is provided with a wiring guide.

In the first means, it is preferable that the wiring guide arranged at a position facing the wire opening in the splice unit is provided away from the bottom surface.

In the first means, it is preferable that the wire opening is provided at a position facing the opening formed on the back surface of the splice unit.

In the present invention, it is not necessary to secure a routing space for pulling out the optical cable connected to the front side of the patch panel to the back side only in the space outside the splice unit.

It is a perspective view of the splice unit of an embodiment. It is the figure which showed the state which wired the optical cable to the splice unit of an embodiment by omitting the top plate. It is a figure which showed the state which moved the patch panel of the splice unit shown in FIG. 2 to the open side. It is a perspective view around the wire opening of a splice unit seen from the back side. It is a figure which showed the example of wiring in the state which covered the wire opening of the splice unit of embodiment with a covering part. It is the figure which showed the state which the splice unit and the optical communication equipment unit were installed in the electric equipment storage box. It is a partially enlarged view of FIG. It is an exploded perspective view which looked at the splice unit from the front side. It is a top view which shows the state which the patch panel is closed. However, the lid and fusion tray cover have been removed. It is a top view which shows the state which the patch panel is open. However, the lid and fusion tray cover have been removed. It is an exploded perspective view which looked at the splice unit from the rear side.

A mode for carrying out the invention is shown below. The splice unit 1 of the present embodiment is a unit capable of accommodating wiring, and a patch panel 12 capable of connecting a connector of an optical cable 3 to the front and rear surfaces is rotatably supported. Further, as shown in FIG. 1, a through hole 14 capable of routing the optical cable 3 from the front surface side to the back surface side of the housing 11 is provided on the vertical surface 13 adjacent to the patch panel 12. Therefore, the wiring as shown in FIG. 2 is possible, and the patch panel 12 can be connected without providing a routing space outside the splice unit 1 for pulling out the optical cable 3 connected to the front side of the patch panel 12 to the back side. The optical cable 3 connected to the front side can be pulled out to the back side. Further, even if the patch panel 12 rotates as shown in FIG. 3, the movement of the optical cable 3 generated at that time can be absorbed in the housing 11.

The wire opening 14 provided on the vertical surface 13 is provided at a position facing the opening 21a formed on the back surface of the splice unit 1, and is configured to penetrate toward the opening 21a. Therefore, the work of routing the optical cable 3 from the opening 21a provided on the back surface of the splice unit 1 can be performed. Therefore, it is possible to pull out the optical cable 3 from the bottom surface 92 or the top surface on the back side.

A bent piece 42 that is bent inward is provided at the end of the wire opening 14. The bent piece 42 is provided with a wiring guide 22, which prevents the optical cable 3 from coming into contact with the opening end and guides the optical cable 3 toward a plurality of wiring guides 22 provided on the side surface 93 of the splice unit 1. It is configured to be possible. The wiring guide 22 provided on the side surface 93 of the splice unit 1 is arranged at a position facing the wire opening 14 in the splice unit 1 and is provided away from the bottom surface 92. Therefore, even if the patch panel 12 is rotated, it is possible to prevent the optical cable 3 connected to the back side of the patch panel 12 and the optical cable 3 connected to the front side of the patch panel 12 from being mixed. Further, even if the patch panel 12 is rotated, the optical cable 3 connected to the back side of the patch panel 12 and the optical cable 3 connected to the front side of the patch panel 12 are suppressed from being entangled.

The optical cable 3 pulled out to the front side wiring guide portion 63 of the patch panel 12 is guided but not fixed. Therefore, even if the patch panel 12 is rotated, the occurrence of breakage of the optical cable 3 is suppressed. Further, the wiring guide 22 of the present embodiment is formed in a substantially C-shape in side view.

By the way, a guard portion 66 that prevents the optical cable 3 from being pinched by the portion that supports the axis when the patch panel 12 is opened is provided at a position that can face the portion that supports the patch panel 12. The guard portion 66 of the present embodiment is configured to have a substantially L-shape in a plan view, and is integrally provided on the patch panel 12.

As shown in FIG. 5, the splice unit 1 of the present embodiment can be configured to include a removable covering portion 16 for closing the wire opening 14 provided on the vertical surface 13. The covering portion 16 of the present embodiment includes a wiring guide 22, and is capable of guiding the optical cable 3 connected to the front side of the patch panel 12. When the wiring is not routed to the back side, the wiring guide 22 provided in the covering portion 16 is used, so that the wiring of the splice unit 1 in the vertical direction can be appropriately performed. With such a configuration, the usage method of the splice unit 1 can be changed according to the situation, so that the splice unit 1 is easy to use.

Here, a state in which the splice unit 1 of the present embodiment is assembled to the electric device storage box 5 will be described. As shown in FIGS. 6 and 7, the splice unit 1 is used by being attached to a mount angle 52 provided in the electrical equipment storage box 5. Therefore, the splice unit 1 includes a mounting portion 17 that can be mounted on the mount angle 52. The mounting portion 17 is provided on a support member 45 fixed to the front side of the housing 11, and the housing 11 is positioned on the back side while the mounting portion 17 is arranged on the front side of the electric device storage box 5. Is configured to allow In the electric device storage box 5 of the present embodiment, the optical communication device unit FU is assembled on the upper side of the splice unit 1.

The patch panel 12 of this embodiment is configured to be located behind the mounting location of the mount angle 52. Therefore, even in a rack with an open front surface such as an open rack, it is possible to avoid a state in which the wiring is exposed to the front surface side.

Next, the details of the splice unit 1 will be described. The splice unit 1 of the present embodiment is provided with a patch panel 12 to which a connector can be connected. A connector connecting portion 62 is provided on the front side of the patch panel 12, so that the user can connect the connector. Further, as shown in FIG. 8, the patch panel 12 is connected to the vertical surface 13 by a hinge 15, and the patch panel 12 can rotate. Therefore, the patch panel 12 can be rotated, and the optical cable 3 can be wired on the back surface of the patch panel 12 even when the work is performed from the front side of the patch panel 12. Further, even if the patch panel 12 to which the optical cable 3 is connected to the front surface is rotated, the optical cable 3 can escape to the through hole 14 provided on the vertical surface 13, and the optical cable 3 is connected to the patch panel 12 and the housing 11. It is less likely to be pinched, and it is possible to prevent the optical fiber from breaking.

A front side wiring guide portion 63 is provided on the front side of the patch panel 12, and a back side wiring guide portion 64 is provided on the back side. The patch panel 12, the front side wiring guide portion 63, and the back side wiring guide portion 64 are configured to be integrated, and the patch panel 12, the front side wiring guide portion 63, and the back side wiring guide portion 64 are both shaft portions. It can rotate integrally around 82. Therefore, it is relatively easy to connect the connector inside the splice unit 1. A plurality of wiring guides 65 are attached to the rear side wiring guide portion 64, and it is possible to entangle an optical fiber with the wiring guides 65.

Further, when the patch panel 12 is rotated, the rear wiring guide portion 64 is always guided to the bottom surface 92. Therefore, the weight of the connector and the wiring prevents the end portion of the patch panel 12 from being lowered, and the hinge 15 is prevented from being overloaded.

The end portion of the front side wiring guide portion 63 from the vertical surface 13 is formed in a notch shape. Therefore, even if the patch panel 12 is rotated from the state shown in FIG. 9 to the state shown in FIG. 10, a space 94 that continues downward in front of the front side wiring guide portion 63 is secured. Therefore, even when the patch panel 12 is opened, the load on the wiring is suppressed.

The side surface 93 of the splice unit 1 is provided with a patch panel locked portion 84 projecting inward. The patch panel locked portion 84 is provided at a position where it can come into contact with the patch panel locking portion 85, and limits the rotation range of the patch panel 12. Further, the patch panel 12 can be fixed by engaging the patch panel locked portion 84 and the patch panel locking portion 85.

By the way, the splice unit 1 of the present embodiment is provided with a fusion tray 86 in which an extra length portion including a connection portion where the optical fiber and the optical fiber are connected by fusion is wound in a loop shape. Further, the splice unit 1 of the present embodiment is configured so that the fusion tray 86 can be covered with the fusion tray cover 87.

On the bottom surface 92 of the splice unit 1 of the present embodiment, a fusion tray cover holding piece 18 projecting in the direction of the top plate 91 is provided on the left and right end sides of the fusion tray 86, and the fusion tray cover 87 is provided. It can be held. Further, as shown in FIG. 11, a plate-shaped reinforcing portion 72 extending in the left-right direction is attached to the bottom surface 92 of the splice unit 1 of the present embodiment. The reinforcing portion 72 is arranged on the front surface side of the fusion tray 86. The reinforcing portion 72 is provided with a support hole 73 for the fusion tray support piece into which the support piece 87a provided in the fusion tray cover 87 can be fitted. Further, a Nylatch 88 is provided on the side of the fusion tray cover 87 opposite to the support piece 87a, so that the fusion tray cover 87 can maintain the state of covering the fusion tray 86.

An opening 21b is provided on the bottom surface 92 of the splice unit 1 of the present embodiment, and a lid 96 capable of covering the opening 21b is attached and detachable. The lid 96 is provided with a clamp portion 97 capable of holding the optical cable 3, and is also provided with a fusion tray guide portion 98 that guides a wire fixed by the clamp portion 97 to the fusion tray 86 side.

The lid 96 is provided with a support piece 96a, and the support piece 96a is configured to be fitted into a lid support piece support hole 74 provided in the reinforcing portion 72. Further, the side of the lid 96 opposite to the support piece 96a is configured to be fixed by a fixing screw 89, so that the lid 96 can maintain a state of covering the opening of the bottom surface 92.

In the present embodiment, the opening 21c is provided at a position of the bottom surface 92 on the back surface side of the vertical surface 13 and orthogonal to the line opening 14 in a plan view. In this way, the wiring can be pulled out not only from the back surface but also from the bottom surface.

Although one embodiment has been described above, the present invention is not limited to the above-described embodiment and can be in various modes. For example, the fusion tray cover does not need to be fixed with a nylact and can be fixed with a fixing screw or the like. Similarly, the lid does not need to be fixed with a fixing screw and can be fixed with a nylac or the like.

1 Splice unit 3 Optical cable 5 Electrical equipment storage box 11 Housing 12 Patch panel 13 Vertical surface 14 Wire port 15 Hinge 16 Cover 22 Wiring guide 92 Bottom surface

Claims (4)

A splice unit in which a patch panel that can connect an optical cable connector to the front and rear surfaces is rotatably supported.
A patch panel and a vertical surface are provided on the front of the housing,
In a vertical plane adjacent to the patch panel, from the patch panel to the rear side and provided with a wire-passing opening capable of routing the cable Rutotomoni splice unit having a hinge for supporting the patch panel rotatably relative to the vertical plane .. The splice unit according to claim 1 , wherein the vertical surface is provided with a removable covering portion that closes the wire opening, and the covering portion is provided with a wiring guide. The splice unit according to claim 1 or 2 , wherein a wiring guide arranged at a position facing the wire opening in the splice unit is provided away from the bottom surface. The splice unit according to any one of claims 1 to 3, wherein the wire opening is provided at a position facing the opening formed on the back surface of the splice unit.