JPH10300944A - Cabinet for storing optical cable connection part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate connecting and wiring operation for an optical cable, to easily replace and extend many core connections in the cabinet, and to easily mount a cord and safely store a cable connection part and a core excessive- length part. SOLUTION: This cabinet is equipped with a case main body 3, equipped with a connection module having the core connection part of an optical cable and an excessive-length part storage part for storing a core excessive-length part extending from the above-mentioned core connection part, and a lid case 4, and the case main body 3 is provided with a termination module B consisting of a plug storage tray 13 equipped with a plug 131 and an excessive-length storage tray 14 arranged over it so that it can freely swivels on a support shaft 15, which is provided to a frame 32 provided rotatably on a hinge part fixed to the case main body 3 by a bracket 30, thereby making cabinet and connection processing handling easy and greatly improving the operability.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical cable connection box used for connection or branch wiring of an optical cable having an optical fiber core and a tension member, and more particularly, to an optical fiber cable such as an optical cable including a tension member in a case body. The present invention relates to an optical cable connection portion storage cabinet configured to connect, branch, and hold in a fixed state.

[0002]

2. Description of the Related Art Generally, when connecting an optical fiber having an optical fiber and a tension member, it is indispensable to fasten the tension member. It is also indispensable to provide extra length for the core wire, and it is necessary to protect the core wire including these connection parts. For this reason, conventionally, a large number of storage trays for storing the connection portion and the extra length of the core wire after the core wire connection have been used, and a dustproof / waterproof cover has been used.

[0003]

However, in the conventional optical cable connection box, a special case, a cover, and a core connecting member using a sheet are required, and a large number of assembly parts are required. The handling of the cable is also troublesome, and it is a problem in terms of the safety of the core connection and the workability.The handling and structure are complicated and the cost is high.In addition, since the internal space is small, it is difficult to store the extra length of the core. There was a problem that the workability of cable connection was low. The present invention is intended to eliminate these conventional drawbacks. The case body can be easily opened and closed, and replacement and addition of a core wire can be easily performed. The purpose is to provide a low-cost cabinet for storing an optical cable connection part, in which the cable connection part and the extra length are completely separated from each other, and an extra storage member is not required. It is what it was.

[0004]

According to the present invention, there is provided a connection module A comprising a core connection portion of an optical cable and a core storage portion for storing a core extension extending from the core connection portion. A cable holding metal fitting for holding an optical cable and a tension member which are introduced into the case main body 3 and reach the core wire connection portion, the cover case 4 being provided in the case main body 3 with an end module B; _1. A cabinet provided with ₁ and 6, wherein the case body 3 has a plug 13
_A termination module B comprising a plug storage tray 13 provided with a storage tray ₁ and an extra storage tray 14 overlapped with the plug storage tray 13 is pivotally provided by a support shaft 15, and the support shaft 15 is attached to the case body 3 by a bracket 30. Fixed hinge part 31
And provided on a frame 32 rotatably provided.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION An optical cable connecting portion storage cabinet according to an embodiment of the present invention is such that if a key is inserted into a lock portion of a lid case and turned, the lock is released and the lid case is slid and fitted. The lid can be opened, the cable is gripped by the cable gripping bracket of the case body, the tension member of the cable is fastened to the tension member gripping part, the drawn core wire is connected to the internal wiring material, and the core wire to be branched and wired is It is routed inside the case body via the core wire locking portion. In the cabinet, the core wire connection portion is housed, and when the frame on which the termination module is mounted is pulled forward with the rotation operation piece, the frame detached from the elastic support piece rotates about the hinge part, and the case The plug storage tray or extra length storage tray is rotated horizontally around the support shaft to expose the inside, and the plug connection work and inspection and repair work can be easily performed. It can be stored in the extra storage tray, returned to the original storage location, raised the frame, engaged with the elastic support and fixed, allowing easy replacement and expansion of the core connection, and extra core storage in the extra storage pocket. No extra external force is required to accommodate the wires, wiring is easy to understand at a glance, and the discrimination is good.Also, the handling and handling of any cords is easy, and the accommodation and holding of each cord length is reliable. Of the cord Joka also connected possible by one-touch, it can be safely and easily work branch. After completion of the core wire processing, the lid case is closed to the case body and the lid is locked to the case body with the lock part. Storage protection.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 4. A cabinet for storing an optical fiber cable connecting portion (hereinafter abbreviated as a cabinet) has a core connecting portion of an optical cable. Supporting part 1 for detachably supporting
And a case main body 3 having a connection module A comprising a core surplus storage section 2 for accommodating an extra core length extending from the core connection section, and a case main body 3 having a termination module B, and the case main body 3 is openable and closable. And an optical cable C which is introduced into the case body 3 and reaches the core wire connection portion.
A and optical cables and cable gripper 5 pull holding the tension member debit cable grippers 5 ₁ and the floor cable gripper 6 which was equipped with a plug storage tray having a plug 13 ₁ to the case body 3 1
3 and a termination module B composed of an extra length storage tray 14 overlapped with the terminal module B are provided rotatably by a support shaft 15, and the support shaft 15 is fixed to the case body 3 by a hinge portion 31 fixed to the case body 3 by a bracket 30. Frame 3 provided rotatably
2 so that the termination module B can be led out of the case body.

In this case, the plug storage tray 13 and the extra-length storage tray 14 of the termination module B are independently and rotatably mounted on the support shaft 15 and mounted on the frame 32 in an overlapping manner. The frame 32 uses a support plate having a substantially U-shaped cross section. The termination module B is fixed along each support plate. The frame 32 is detachably mounted on an elastic support piece 33 fixed to the case body, and is provided in the cabinet. It can be rotated and deployed and fixed in a lump.

The frame 32 is provided with a rotating operation handle 34, and is configured to be easily deployed horizontally outside the case body. Furthermore, the termination includes a lid 14 ₁ to slack storage tray 14 as a module B, each tray by heavy loading place the該余length storage tray 14 on the plug housing tray 13 is internal to maintain Closed Helps protect.

The cable gripping tool is attached to the cable routing hole of the case body 3 with a tightening screw 7. The cable gripping piece 16 and the tension member fixing piece 17 are protruded to pull in the cable gripping tool 5. there was simplified debit cable grippers 5 ₁ Tonishi, the clamping of the floor cable gripper 6 respectively between both cable gripper 5,5 ₁ by removably deployed in the mounting screws 7 optical cable and .

As shown in FIG. 4, the connection module A has a core winding portion serving as a support portion 1 of the connection portion and a core extra length storage portion 2, a tray 20 having a cable presser 28 at a cable outlet. , Cover 2 covered with the tray 20
1 is provided with a cord clamp 22, an opening 23, and a cable wrapping piece 24 so that the cover 21 can be fitted to the tray 20 by a locking portion 25 and a mounting tongue piece 26. It has been established and used.

The floor cable gripper 6 has a cable clamp 61 having a cable holder having a substantially E-shaped cross section.
Are fastened with screws. The cable clamp 6
It is preferable that 1 is such that a plurality of floor cables can be collectively held in a block.

In the embodiment shown in FIG. 5, the case body 3 is
The termination module B is rotatably and detachably provided. The termination module B is separated into a plug storage tray 13 and a surplus storage tray 14 in two upper and lower stages, and each of the termination modules B is hinged to each other by a hinge portion 15. be one draw rotated out of the case main body 3 as a connecting structure capable of pivoting, to connect inspection work of housing and plug 13 ₁ of core wire surplus length by opening the opening and closing lid are also available easily, hold heart A wire storage sheet will be installed as needed.

[0013] Incidentally, the the case body 3 provided with a cord tie 10 between the connecting modules A and debit cable gripper 5 ₁ and the floor cable gripper 6, further said pulling cable gripper 5 It is preferable to use a tension member clamp with the ground 9 fitted to the tension member fixing piece 17. The connection module A includes a cord clamp 18 having a cord insertion groove, and a marginal pocket portion 1 for accommodating a core extending from the cord clamp 18 in a circle through a connection portion holding the support portion 1 in a circle.
9 and an opening / closing door provided in the extra pocket portion 19 are provided on the case body 3 by a bracket 27 so as to be detachable. The tension member fixing piece 17 is composed of a guide holding piece through which a ring fixed to the cable can be inserted and removed, so that insertion and removal of the cable can be simplified. Further, in the case of a lead-in cable, it is preferable that the tension member is directly screwed to a fixing portion with a screw attached to the fixing ring provided with the ground 9 in order to take the ground.

The cord clamp 18 provided on the connection module A is composed of a plurality of comb-shaped partition plates erected at a predetermined interval or a group of supporting rods erected at an interval. It is provided facing the opening 23 of the pocket 19, and the cords are respectively inserted into gaps formed between the partition plates.
It can be supported by being inserted vertically from above.

This cabinet is formed by injection molding of resin or the like to form a cable routing hole, a dustproof cover is fitted in the cable routing hole, and an optical fiber core wire and a tension member are inserted therefrom. introducing a plurality of optical cables having, Yes to allow fixing to the case body 3 with end fittings 5,5 _1, over the plug housing trays 13 and core wire extra length with plug 13 ₁ and / or connector for optical cable connections A termination module B having a long storage tray 14 and a connection module A are housed therein.

The terminating module B is rotatably and detachably mounted on the case body 3 at a hinge portion 31.
The inner cover 36 of the protective cover with the lock 35 is provided to ensure the wiring arrangement of the extra length storage section. Further, the connection module A is detachably screwed to the case body 3,
The fitting wall may be configured to be fitted to the case main body wall and the extra length storage section wall, and a mounting hole for fixing the wall surface may be used.

In the optical cable connection storage case according to this embodiment, when connecting the branch optical cable and the drop-in optical cable, first, the case body 3 of the cabinet is fixed to the outer wall surface of the building using screws 36 or the like. The branch optical cable and the drop-in optical cable are respectively passed through the routing grooves, for example, the branch optical cable is passed through one of the routing holes, and the drop optical cable is passed through the other routing hole. Then, the optical fiber core of each optical cable is pushed into and fixed to the cable clamp 22 or the core tying tool 10, guided to the connection part support part 1 and the extra length storage part 2 of the connection module A, and connected by a connector. The part is wound and held.

Then, the cover body 4 is put on the case body 3 and closed, and the cover is closed by the lock portion 29 to maintain the closed state. When the cover is opened, the cover case 4 can be opened by inserting the key into the lock portion 29 and turning it 90 degrees.
The wiring work in the case body 3 can be easily performed.

The internal wiring material of the termination module B is as follows:
A tape having a ferrule at one end is branched into a large number at a single-core separating section, and an SC simple plug or MPO is connected to the other end of each single-core wire.
It is convenient to use off-the-shelf converter cord with a plug 13 ₁ simple plug may use a ready-made core wire provided with SC connector or MPO connector module wiring material to one end. Further, each of the termination modules B can be individually attached to and detached from the bracket with the attachment member, and can be slid to facilitate the wiring inspection processing operation, and is also supported when fixed to facilitate the handling of an arbitrary cord. It is also considered that it can be removed and taken out as necessary, making it easy to understand at a glance and good discrimination,
The optical fiber core of each optical cable is led to the cable winding and connection part, and the extra length is wound up and held in the core storage part, so that the wiring processing work can be easily done and only this module can be inserted. Switching and replacement and extension can be performed with a simple operation.

The replacement and extension of the connector can be performed by a simple operation of inserting the cord and the connector, and the handling of an arbitrary core can be easily performed. The storage process can be performed by the pocket portion, and the openability of the opening / closing door makes it possible to easily identify the wiring configuration at a glance.

[0021]

According to the present invention, there is provided a cable connecting portion of an optical cable,
A connection module A comprising a core excess length storage portion for storing a core excess length extending from the core connection portion, and a termination module B
A cabinet provided with a cable holding metal fitting for holding a cable and a tension member of an optical cable which is introduced into the case body and reaches the core wire connection portion, the cover case being provided in the case body so as to be openable and closable, A termination module B comprising a plug storage tray provided with a plug in the case body and an extra-length storage tray overlapped with the plug storage tray is provided rotatably by a support shaft, and the support shaft is fixed to the case body by a bracket. By providing the frame rotatably provided by the hinge part, replacement and extension of core connections can be easily performed, accommodation of extra core length is simplified, and wiring that can be seen at a glance can be made, and good identification is achieved. In addition, the termination module can be fixed and deployed and movable to handle any core wire and easy to handle, enabling safe connection processing and improving workability. The width is improved, and the core wire connection portion and the extra length are completely separated from each other. Further, since only the cord and the core wire connection portion need to be fixed, an extra storage member is unnecessary, and production can be performed at low cost. It has practical effects. Further, in the present invention, the space can be effectively used by securing the cables and the wiring of the cords inside the cabinet, and the compactness and the improvement of the workability can be realized. Workability can be greatly improved with minimum tools for gripping the cable, and the extra length of the core wire can be stored easily and safely and securely, and the cable can be easily and safely handled in a simple and inexpensive form. it can.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention and shows the inside thereof.
(A) is a front view, (b) is a cut plan view, (c) is a cut left side view, and (d) is a cut right side view.

FIGS. 2A and 2B show the termination module of the example of FIG. 1, wherein FIG. 2A is a front view in an expanded state, and FIG.

3A and 3B show a frame for the termination module of the example of FIG. 1, wherein FIG. 3A is a front view, FIG. 3B is a left side view, FIG. 3C is a bottom view, and FIG. .

FIG. 4 shows a connection module used in the present invention,
(A) is a front view, (b) is a bottom view, and (c) is a vertical cross-sectional view along line AA.

5A and 5B show a state in which a lid case is cut out in another example used in the present invention, wherein FIG. 5A is a front view, FIG.
(C) is a side view.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS A Connection module B Termination module C Cable 1 Support part 2 Core extra length storage part 3 Case main body 4 Lid case 5, 5 ₁ Cable holding metal fitting 6 Floor cable holding tool 8 Engagement notch hole 9 Ground 10 Core cable binding tool 11 Retained core storage sheet 12 Hinge part 13 Plug storage tray 13 ₁ Plug 14 Extra length storage tray 15 Fixing plate 16 Cable gripping piece 17 Tension member fixing piece 29 Clamp 30 Bracket 31 Hinge part 32 Frame 33 Elastic support 61 Cable clamp

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Fujiyoshi Shinoda 4-35-3 Yoyogi, Shibuya-ku, Tokyo Japan Recomm Co., Ltd. (72) Ichiro Tanaka 4-35-3 Yoyogi, Shibuya-ku, Tokyo Co., Ltd. Inside Japan Recom (72) Inventor Toshiaki Takeda 5-23-8 Nishigotanda, Shinagawa-ku, Tokyo Co., Ltd. Seiden Co., Ltd. (72) Inventor Hiroki Fukuroi 5-23-8 Nishigotanda, Shinagawa-ku, Tokyo Co., Ltd. In-house company (72) Inventor Koji Shino 3-19-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Kenichi Nakazawa 3-19-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Sadaaki Takano 3-19-2 Nishi Shinjuku, Shinjuku-ku, Tokyo Nippon Telegraph and Telephone Corporation

Claims (5)

[Claims] 1. A case body comprising: a connection module A including a core connection portion of an optical cable, a core excess length storage portion that stores a core extension extending from the core connection portion, and a termination module B. 3 is a cabinet provided with a cover case 4 which can be opened and closed freely, and a cable gripping metal fitting 5, 5 ₁ , 6 for holding a cable and a tension member of an optical cable which is introduced into the case main body 3 and reaches the core wire connection portion. there, the plug storage tray 13 with a plug 13 ₁ to the case body 3, the termination module B comprising polymerizing the deployed slack storage tray 14. provided with pivotally by a support shaft 15 thereto, said supporting Shaft 15 is attached to case body 3 with bracket 3
A cabinet for storing an optical cable connection portion, comprising: a frame 32 rotatably provided by a hinge portion 31 fixed at 0. 2. The termination module B is provided with a plug storage tray 13 and a surplus storage tray 14 independently rotatably mounted on a support shaft 15 and mounted on a frame 32 in an overlapping manner. Cabinet. 3. The frame 32 is a support plate having a substantially U-shaped cross section. The termination module B is fixed along each support plate, and is detachably engageable with an elastic support 33 fixed to the case body. The cabinet according to claim 1 or 2, wherein the cabinet is provided. 4. The cabinet according to claim 1, wherein said frame includes a rotation operation handle, and can be deployed horizontally outside the case body. Wherein said termination module B is slack storage tray 14 includes a lid 14 _1,該余length storage tray 14 to claims 1, 2, which is a heavy load location on the plug housing tray 13, The cabinet according to 3 or 4.