JP4036330B2 - Splice unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a splice unit that is mounted and mounted on an optical wiring board, a rack, or the like, and stores a connection portion and an extra length of an optical fiber cord.
[0002]
[Prior art]
The conventional splice unit has left and right side plates erected on the left and right edges of a rectangular bottom plate, and the unit body is formed in a box shape with the front, back, and top surfaces open, and is mounted on a rack with mounting parts provided on the left and right side plates. Making it possible. A connector panel with a connector for connecting optical fiber cords is detachable on the front of the unit body with knurled screws. When connecting an optical fiber cord to the connector connection port on the back side of the connector panel, It is designed to be removed from the unit body and connected (for example, see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 6-29675 (FIG. 1)
[0004]
[Problems to be solved by the invention]
For this reason, the splice unit of Patent Document 1 has a poor workability because the connector panel must be removed every time the optical fiber cord is wired, and the space for placing the removed connector panel and the extra length of the optical fiber cord up to that space When the connector panel is removed, a burden is imposed by the weight of the optical fiber cord, which may damage the optical fiber cord.
[0005]
Accordingly, in view of the above problems, an object of the present invention is to provide a splice unit that has good workability in wiring and extra length processing on the back side of a connector panel and does not impose a burden on an optical fiber cord during work.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, a unit main body formed in a box shape so as to accommodate an extra length of an optical fiber cord can be mounted on an optical wiring board, a rack, or the like by mount portions provided on both left and right sides. A splice unit that has a connector panel that can be mounted and has a number of connectors for connecting optical fiber cords to the front of the unit body. And a support portion for supporting the optical fiber cord is formed by extending the lower end of the connector panel forward .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
According to the present invention, the unit main body formed in a box shape so that the extra length of the optical fiber cord can be accommodated therein can be mounted on an optical wiring board, a rack or the like by the mounting portions provided on the left and right side surfaces. In a splice unit having a connector panel provided with a large number of connectors for connecting optical fiber cords to each other, the connector panel is hinged so that it can be opened and closed at both the left and right ends of the front side of the unit body. Therefore, the workability of wiring and extra length processing on the back side of the connector panel is good, and the optical fiber cord is not burdened during the work. Further, it is possible to prevent breakage by avoiding the burden due to the weight of the optical fiber.
[0008]
【Example】
An embodiment of a splice unit according to the present invention will be described with reference to the accompanying drawings of FIGS.
[0009]
The splice unit 1 forms a unit body 2 in a box shape having a front surface and an upper surface opened by a rectangular bottom plate 2a, left and right side plates 2b, and a back plate 2c, and the top plate 3 can be attached and detached by screws 4 on the upper surface. ing. A large number of ventilation slits 5 are formed on the bottom plate 2a of the unit main body 2 to reduce the weight. In addition, a mounting portion 6 projects from the front ends of the left and right side plates 2b, and each mounting portion 6 has two mounting portions 6 so that it can be mounted and mounted on a rack or the like for housing an optical wiring board 7 or a communication device. An insertion hole 8 is formed, and a fixing screw 9 can be inserted into the insertion hole 8 from the front side to be screwed and fixed to the mount angle 10 of the optical wiring board 7.
[0010]
Further, a hinge portion 11 is provided at the front ends of the left and right side plates 2b of the unit body 2, and two connector panels 13 provided with a number of connectors 12 for connecting optical fiber cords (not shown) are provided. It is hinged to the unit main body 2 by the hinge part 11, and is attached so that opening and closing is possible in both opening and closing types. The hinge 11 has a structure in which the upper ends of the left and right side plates 2b are bent inward, and the upper and lower ends are bent between the bent portion and the bottom plate 2a. The hinge screw 14 is screwed into the upper part from above, the tip of the hinge screw 14 is inserted into the pin insertion hole 15 formed in the upper bent part of the connector panel 13, and the hinge screw 14 is inserted from below the bottom plate 2a. The hinge 11 is formed by screwing the tip of the hinge screw 14 into the pin insertion hole 15 formed in the lower bent portion of the connector panel 13 so that the tip of the hinge screw 14 can be turned.
[0011]
A latch 16 is provided at the open end of the connector panel 13. The latch 16 has a structure in which the diameter of the tip protruding from the back surface of the connector panel 13 is increased when the latch 16 is pushed, and the diameter of the tip is reduced when the latch 16 is pulled. When the connector panel 13 is closed, the front end of the bottom plate 2a of the unit body 2 is Since the leading end of the latch 16 is inserted into the engaging hole 18 of the engaging piece 17 erected at the center, when the latch 16 is pushed in this state, the diameter of the leading end becomes larger than the engaging hole 18 and the connector 16 is engaged. The panel 13 can be fixed. The connector panel 13 is opened by pulling the latch 16 and releasing the engagement with the engagement piece 17.
[0012]
A lower end of the connector panel 13 is stretched forward, and a support portion 19 for supporting the optical fiber cord is formed. As a result, when the optical fiber cord is connected to the front-side connection port of the connector 12, the suspended portion is supported by the support portion 19, so that no load due to its own weight is applied and damage can be prevented. The optical fiber cord connected to the connector 12 is bundled by a bundling band 21 provided by being inserted into a cord bundling slit hole 20 formed at an end of the support portion 19, and is led out to the outside.
[0013]
The optical fiber cord connected to the rear side connection port of the connector 12 is introduced into the unit main body 2 from a wiring introduction portion 22 cut out in the left and right side plates 2b of the unit main body 2. In order to connect this optical fiber cord to the back side connection port of the connector 12, the latch 16 of the connector panel 13 is unlocked and the connector panel 13 is opened from the front of the unit body 2. When the connection is completed, the connector panel 13 is closed, the latch 16 is locked, and the connector panel 13 is fixed. The surplus length generated during wiring is rolled up and stored on the bottom plate 2a of the unit body 2. A cord binding slit hole 23 having the same shape as the support portion 19 of the connector panel 13 is formed in the vicinity of the wiring introduction portion 22, and the optical fiber cord can be bound and held by inserting the binding band 24.
[0014]
In this embodiment, the optical fiber cord is introduced into the unit main body from the wiring introduction portion formed on the left and right side plates. For example, as shown in FIGS. 5 to 7, the wiring introduction hole 52 is formed at the rear end of the bottom plate 32a. And an optical cable (not shown) is introduced into the unit main body 32 from the wiring introduction hole 52, and the optical cable is fixed by the cable clamp 55 and the tension member clamp 56 provided on the back plate 32c. The splicing unit structure is such that the optical fiber cord is introduced into the unit main body 32 by drawing a wire (not shown) and connecting it to the optical fiber cord in the fusion tray 57 provided on the back plate 52c. As long as it does not deviate from the above, it can be appropriately changed.
[0015]
【The invention's effect】
As described above, according to the present invention, the unit main body formed in a box shape so that the extra length of the optical fiber cord can be accommodated therein can be mounted on the optical wiring board, rack, etc. by the mounting portions provided on the left and right side surfaces. In a splice unit having a connector panel with a large number of connectors for connecting optical fiber cords to the front of the unit body, the connector panel can be opened and closed at both the front and left ends of the unit body Freely hinged and formed the support part for supporting the optical fiber cord by extending the lower end of the connector panel forward, so that wiring on the back side of the connector panel and extra length processing can be performed from the front of the splice unit Workability is good, and the connector panel is a double-opening and closing type, so there is little protrusion to the front side when opened, and the work space It can be more secure, no burden is imposed on the optical fiber cord the distance between the unit body and the connector panels to open the connector panel is short when working. In addition, since the optical fiber cord can be supported by the support portion, there is an effect that the optical fiber cord can be prevented from being damaged without being burdened by its own weight .
[Brief description of the drawings]
FIG. 1 is a plan view of a splice unit according to the present invention.
FIG. 2 is a front view of a state in which the splice unit according to the present invention is mounted on a rack and a door is removed.
FIG. 3 is a front view of a splice unit according to the present invention.
FIG. 4 is a right side view of a splice unit according to the present invention.
FIG. 5 is a plan view showing a modified embodiment of the splice unit according to the present invention.
FIG. 6 is a front view showing a modified embodiment of the splice unit according to the present invention.
FIG. 7 is a right side view showing a modified embodiment of the splice unit according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Splice unit 2 ... Unit main body 2a ... Bottom plate 2b ... Left and right side plate 2c ... Back plate 3 ... Top plate 4 ... Screw 5 ... Ventilation slit 6 ... Mount part 7 ... Optical distribution board 8 ... Insertion hole 9 ... Fixing screw 10 ... Mount angle 11 ... Hinge part 12 ... Connector 13 ... Connector panel 14 ... Hinge screw 15 ... Pin insertion hole 16 ... Latch 17 ... Engagement piece 18 ... Engagement hole 19 ... Support part 20 ... Slit hole 21 for cord bundling 21 ... Bundling Band 22 ... Wiring introduction part 23 ... Slit hole for cord bundling 24 ... Bundling band

Claims (1)

The unit body, which is formed in a box shape so that the extra length of the optical fiber cord can be stored inside, can be mounted on an optical distribution board, rack, etc. by mounting parts provided on both the left and right sides, and between the optical fiber cords on the front of the unit body In the splice unit having a connector panel provided with a large number of connectors for connecting the connector panel, the connector panel is hinged so as to be openable and closable at both the left and right ends of the front side of the unit body in a double-opening manner. The splicing unit is characterized in that a support portion for supporting the optical fiber cord is formed by stretching the lower end of the front end of the optical fiber cord .

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