JP2001201640A - Wiring fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring fixture which can fix easily an optical cable and an optical fiber cord weak to the pressure, and a plurality of optical cables and the optical fiber cords different in the diameters. SOLUTION: The wiring fixture 1 consists of a fixing piece 5, a cushion member 6, a pressurization plate 7, and screws 8 and 8, and the fixing piece 5 folds the both sides ends of a that plate-shaped base part 5a, and is formed nearly in a cross-sectional U shape. A plurality of recessed parts 5b, 5b, 5b for fitting freely the optical cable 2 and the optical fiber cord 3 are formed at the base part 5a side and make the cushion member 6 inserted to the fixing piece 5. The pressurization plate 7 has the shape of a nearly flat plate, and is made to abut to the cushion member 6. By screwing the screws 8 and 8 into screw through holes 5c, 5c, 6a, 6a, 7a, 7a bored near respective both ends of the fixing piece 5, the cushion member 6, and the pressurization plate 7 to lamp an optical termination box 4, the pressurization plate 7 presses the cushion member 6 gradually, and fixes the optical cable 2 and the optical fiber cord 3 which are made to fit freely to the recessed parts 5b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring fixture for fixing an optical cable or an optical fiber cord to an optical termination box, which is provided inside an optical termination box for use in connecting an optical cable or an optical fiber cord. Regarding the structure.

[0002]

2. Description of the Related Art Conventionally, there is a wiring fixing tool 31 disclosed in, for example, JP-A-63-136007. That is, an optical connector (5) is attached to the tip of the optical cable (7), and the optical connector (5) is fitted into a wiring fixture (4) provided on the side surface of the optical termination box (1). (7) is fixed.

[0003]

However, when a plurality of optical cables having different diameters are fixed, a plurality of types of optical connectors and wiring fixtures cannot be fixed with one type of optical connector and wiring fixture. However, there is a drawback that an optical connector and a wiring fixture corresponding to the diameter of the optical cable must be used. Further, when a large number of optical cables are fixed, optical connectors and wiring fixtures are required by the number of the optical cables, so that the number of components is increased, and there is a disadvantage that the construction is troublesome and time is required.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the conventional wiring fixture, an object of the present invention is to easily fix an optical cable or an optical fiber cord which is weak to pressure or a plurality of optical cables or optical fiber cords having different diameters. The wiring fixture is provided inside the optical termination box for use in connecting optical cables and optical fiber cords, and is used to fix the optical cables and optical fiber cords to the optical termination box. A wiring fixture, comprising: a fixing piece formed by bending both side edges of a flat base to have a substantially U-shaped cross section; a cushion member inserted into the fixing piece; and a pressing plate for pressing the cushion member. A plurality of recesses are juxtaposed at the base of the fixing piece, an optical cable or an optical fiber cord is arranged in the recess, and screws are inserted into screw insertion holes formed in the pressing plate and the base of the fixing piece. When the cause tightening of the screw with is that the pressing plate to fix the optical cable and the optical fiber cord presses the cushion member.

[0005] Further, the recess of the second fixing piece, in which the cushion member is fitted, is disposed below the fixing piece of the wiring fixing tool so as to face the recess of the first fixing piece. When the optical cable or the optical fiber cord is arranged between the concave portion of the second fixing piece and the screw, and the screw is tightened, the pressing plate presses the cushion member to fix the optical cable or the optical fiber cord.

[0006]

According to the wiring fixing device of the present invention, the optical cable or the optical fiber cord is provided inside the optical termination box for use in connecting an optical cable or an optical fiber cord. A fixing piece formed by bending both side edges of a flat base to form a substantially U-shaped cross section, a cushion member inserted into the fixing piece, and pressing the cushion member. A plurality of recesses are juxtaposed at the base of the fixing piece, and optical cables and optical fiber cords are arranged in the recesses, and screws are inserted through screw insertion holes formed in the pressing plate and the base of the fixing piece. When the screw is tightened, the pressing plate presses the cushion member to fix the optical cable or optical fiber cord, and the optical cable or optical fiber cord that is weak to pressure or multiple optical cables with different diameters The optical fiber cord can be easily fixed.

According to the wiring fixing device of the present invention, the concave portion of the second fixing member, in which the cushion member is fitted below the fixing member of the wiring fixing device, faces the concave portion of the first fixing member. When the optical cable or optical fiber cord is arranged between the concave portion of the first fixing piece and the concave portion of the second fixing piece and the screw is tightened, the pressing plate presses the cushion member to press the optical cable or the optical fiber. By fixing the cord, it is possible to easily fix an optical cable or an optical fiber cord which is weak to pressure or a plurality of optical cables or optical fiber cords having different diameters.

[0008]

FIG. 1 shows a first embodiment of a wiring fixture according to the present invention.
3 will be described with reference to the accompanying drawings.

The wiring fixture 1 is provided inside an optical termination box 4 used for connecting the optical cable 2 and the optical fiber cord 3, and comprises a fixing piece 5, a cushion member 6, a pressing plate 7, and screws 8,8. ing. The fixing piece 5 is a flat base 5a.
Are bent into both sides to form a substantially U-shaped cross section.
The optical cable 2 and the optical fiber cord 3
Are formed. A plurality of recesses 5b, 5b, 5b for loosely fitting are formed. The cushion member 6 has a substantially rectangular parallelepiped shape, and is formed in such a size as to contact the inner surface of the fixed piece 5, and is inserted into the fixed piece 5. The pressing plate 7 is substantially flat and has a width smaller than the width between the inner surfaces of the fixed pieces 5, and is brought into contact with a side surface of the cushion member 6 that comes into contact with the base 5 a of the fixed piece 5. The fixing piece 5 and the cushion member 6
Screw insertion holes 5c, near both ends of the pressing plate 7;
5c, 6a, 6a, 7a, 7a are bored, and screws 8, 8 for fixing the wiring fixture 1 to the optical termination box 4 are inserted therethrough.

In order to fix the optical cable 2 and the optical fiber cord 3, the optical cable 2 and the optical fiber cord 3 are loosely fitted into the recess 5b of the fixing piece 5 of the wiring fixture 1, and the base 5a side of the fixing piece 5 faces downward. Installed in the termination box 3. The optical cable 2 and the optical fiber cord 3 are sandwiched between the cushion member 6 of the wiring fixture 1 and the optical termination box 4. As the screws 8 are tightened to the optical termination box 4, the pressing plate 7 gradually moves the cushion member 6. To fix the optical cable 2 and the optical fiber cord 3.

Since the cushion member 6 of the wiring fixture 1 is deformed according to the shape of the optical cable 2 and the optical fiber cord 3, the optical cable 2 and the optical fiber cord 3 having different diameters can be fixed at the same time. Since the optical cable 2 and the optical fiber cord 3 are pressed, the optical cable 2 and the optical fiber cord 3 that are weak to pressure can be easily fixed.

In the present embodiment, there is no limitation on the method of fixing the optical cable or the optical fiber cord, such as fixing a plurality of optical cables or optical fiber cords by loosely fitting them into one recess of the fixing piece.

Further, in this embodiment, the screw insertion hole is formed in the cushion member. However, if the length is reduced to be smaller than the distance between the screws, it is not necessary to form the screw insertion hole. However, the number of screws is not limited to two, and there is no problem even if the number of screws is increased, and the material of the cushion member is not limited.

A second embodiment of the wiring fixture according to the present invention will be described with reference to the accompanying drawings of FIGS.

The wiring fixture 11 is provided inside an optical termination box 14 used to connect the optical cable 12 and the optical fiber cord 13, and includes a first fixing piece 15, a second fixing piece 16, and a first cushion member. 17 and the second cushion member 18
And a pressing plate 19 and screws 20, 20.

The first fixing piece 15 is formed into a substantially U-shaped cross section by bending both side edges of a flat base 15a, and an optical cable 12 and an optical fiber cord 13 are formed on the base 15a side of the first fixing piece 15. Recesses 15b, 15 for loosely fitting
b, 15b are formed. Also, the second fixing piece 16
Like the first fixing piece 15, both sides of the flat base 16a are bent to form a substantially U-shaped cross section, and the optical cable 12 and the optical fiber cord are formed on the base 16a side of the second fixing piece 16. A plurality of recesses 16b, 16 for loosely fitting
b, 16b are formed.

The first cushion member 17 is a substantially rectangular parallelepiped,
The first fixing piece 15 is formed in such a size as to be in contact with the inner surface thereof, and is inserted into the first fixing piece 15. Further, the second cushion member 18 is substantially rectangular parallelepiped like the first cushion member 17, and is formed in such a size as to contact the inner surface of the second fixed piece 16. Have been.

The pressing plate 19 is substantially flat and has a first fixed piece 1.
5 is formed to have a width smaller than the width between the inner surfaces of the first cushion member 17 and the base 15 a of the first fixing piece 15 of the first cushion member 17.
Abutting on the opposite side of the side surface that comes into contact with. In addition, screw insertion holes are formed near both ends of the first fixing piece 15 and the second fixing piece 16, the first cushion member 17, the second cushion member 18, and the pressing plate 19. Screw 2 for fixing fixture 11 to optical termination box 14
0 and 20 are inserted.

Optical cable 12 and optical fiber cord 13
First, the base 16a of the second fixing piece 16 is fixed.
Is placed on the optical termination box 14 with the side facing upward. Then, the optical cable 12 and the optical fiber cord 13 are connected to the second fixing piece 1.
6 is loosely fitted into the concave portion 16b of the
The concave portion 16b of the second fixed piece 16 and the concave portion 15b of the first fixed piece 15 are placed on the upper side of a with the base 15a of the first fixed piece 15 facing downward. Optical cable 1
2 and the optical fiber cord 13 are the first cushion member 1
7 and the second cushion member 18, and when the screws 20, 20 are tightened in the optical termination box 14, the pressing plate 19
Gradually presses the first cushion member 17 and the second cushion member 18 to fix the optical cable 12 and the optical fiber cord 13.

First cushion member 1 of wiring fixture 11
7 and the second cushion member 18 are deformed according to the shapes of the optical cable 12 and the optical fiber cord 13 so that the optical cable 12 and the optical fiber cord 13 having different diameters are formed.
Can be fixed at the same time, and the optical cable 12 and the optical fiber cord 13 that are vulnerable to pressure can be easily fixed because the optical cable 12 and the optical fiber cord 13 are pressed by the first cushion member 17 and the second cushion member 18. Can be.

In this embodiment, as shown in FIG. 6, a plurality of optical cables and optical fiber cords 13 are fixed to the fixing piece 1.
There is no limitation on the fixing method of the optical cable or the optical fiber cord, such as loosely fitting into one of the concave portions 15b and 16b of the optical fibers 5 and 16.

In the present embodiment, the screw insertion hole is formed in the cushion member. However, if the length is reduced to be smaller than the distance between the screws, it is not necessary to form the screw insertion hole. The number of screws is not limited to two, and there is no problem even if the number of screws 20 is increased as shown in FIG. 7, and the material of the cushion member is not limited.

[0023]

As described above, the wiring fixture according to the present invention is provided inside an optical termination box used for connecting an optical cable or an optical fiber cord, and fixes the optical cable or the optical fiber cord to the optical termination box. A fixing piece formed by bending both side edges of a flat base to form a substantially U-shaped cross section, a cushion member inserted into the fixing piece, and pressing to press the cushion member. A plurality of recesses are provided side by side at the base of the fixing piece, an optical cable or an optical fiber cord is arranged in the recess, and a screw is inserted through a screw insertion hole formed at the pressing plate and the base of the fixing piece. When the screw is tightened, the pressing plate presses the cushion member to fix the optical cable or fiber optic cord, so that the optical cable or fiber optic cord that is weak to pressure or a plurality of optical cables or optical fibers with different diameters There is excellent effect that the Aibakodo can be easily fixed.

The recess of the second fixing piece in which the cushion member is fitted below the fixing piece of the wiring fixing tool is disposed so as to face the recess of the first fixing piece. When the optical cable or optical fiber cord is arranged between the concave portion of the second fixing piece and the screw is tightened, the pressing plate presses the cushion member to fix the optical cable or the optical fiber cord, so that the optical cable which is weak to pressure is pressed. There is an excellent effect that a plurality of optical cables or optical fiber cords having different diameters or optical fiber cords can be easily fixed.

[Brief description of the drawings]

FIG. 1 is a front view showing an optical termination box in which a wiring fixture according to a first embodiment of the present invention is arranged.

FIG. 2 is an exploded perspective view showing the wiring fixture according to the first embodiment of the present invention.

FIG. 3 is a perspective view showing a state in which the optical cable is fixed by the wiring fixture according to the first embodiment of the present invention.

FIG. 4 is a front view showing an optical termination box in which a wiring fixture according to a second embodiment of the present invention is arranged.

FIG. 5 is a perspective view illustrating a wiring fixture according to a second embodiment of the present invention.

FIG. 6 is a plan view showing a wiring fixture according to a second embodiment of the present invention.

FIG. 7 is a plan view showing a wiring fixture according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wiring fixture 2 Optical cable 3 Optical fiber cord 4 Optical termination box 5 Fixing piece 5a Base 5b Depression 5c Screw insertion hole 6 Cushion member 6a Screw insertion hole 7 Press plate 7a Screw insertion hole 8 Screw

Claims (2)

[Claims] 1. A wiring fixture provided inside an optical termination box for use in connecting an optical cable or an optical fiber cord, for fixing the optical cable or the optical fiber cord to the optical termination box, comprising a flat plate. A fixed piece formed by bending both side edges of the base in a substantially U-shaped cross section, a cushion member inserted into the fixed piece, and a pressing plate for pressing the cushion member; A plurality of recesses are juxtaposed in the base, the optical cable and the optical fiber cord are arranged in the recesses, and screws are inserted into screw insertion holes formed in the pressing plate and the base of the fixing piece to fasten the screws. When,
A wiring fixing device, wherein the pressing plate presses the cushion member to fix the optical cable or the optical fiber cord. 2. A method according to claim 1, wherein a recess of the second fixing piece in which a cushion member is fitted is fixed to a lower side of the fixing piece of the wiring fixing tool so as to face a recess of the first fixing piece. When an optical cable or an optical fiber cord is arranged between the concave portion of the fixing piece and the concave portion of the second fixing piece and the screw is tightened, the pressing plate presses the cushion member to fix the optical cable or the optical fiber cord. The wiring fixture according to claim 1, wherein: