JP3665219B2 - Optical fiber cord support structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a support structure that supports an optical fiber cord that enters and exits an optical cable connection case or the like.
[0002]
[Prior art]
In optical cable connection cases, etc. used in places where multiple optical fiber cords connected to an optical communication device etc. and optical cable cores are connected, the optical fiber cords that are drawn in, etc., are sandwiched around the drawing port, etc. It was clamped and fixed all at once, or was tied and fixed individually to a casing or the like by a band, and the internal tension members were individually supported by screws or the like.
[0003]
[Problems to be solved by the invention]
However, the above-described conventional method of supporting and fixing the optical fiber cords at once is troublesome to arrange the optical fiber cords and aligning the pull-in lengths during the supporting operation, and the optical fiber cords can be added even during maintenance operations. When deleting, all the optical fiber cords had to be fixed once and the work had to be released. Moreover, when it was desired to select a support form for individually fixing the band, the entire support jig had to be replaced.
[0004]
Therefore, in view of the above problems, the present invention makes it possible to easily perform a collective support operation of a plurality of optical fiber cords and to change the support by a band without changing the member. It is an object to provide a support structure for a cord.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention of claim 1 is arranged such that a tension member support portion for supporting a tension member of an optical fiber cord and an optical fiber cord drawing side in front of the tension member support portion can be attached. And a fixing plate that can be installed so as to cover the adhesive part, having leg parts arranged at left and right end positions that are outside the adhesive part,
The optical fiber cord can be fixed by a band when the leg portion is faced down, and the optical fiber cord can be clamped and fixed by the sticking portion and the fixing plate when the leg portion is turned upside down. Then, the optical fiber cord is temporarily held in the sticking portion and can be fixed by the fixing plate.
[0006]
According to a second aspect of the present invention, in the first aspect of the invention, the tension member support portion and the attaching portion are formed on a dedicated support base, and an insertion groove into which the leg portion of the fixed plate can be inserted into the support base. Provided and configured to be installable in two ways: a state where the leg portion of the fixing plate is inserted into the insertion groove and a state where the leg portion is not inserted.
[0007]
According to a third aspect of the present invention, in the first aspect of the present invention, the sticking portion is configured to have a cushioning material in the lower portion thereof.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below in detail with reference to the drawings. FIG. 1 is an exploded perspective view of a cord support portion showing an example of a support structure for an optical fiber cord (hereinafter referred to as a cord) according to the present invention. The cord support portion 1 supports a support base 4 on which a cord 2 is placed and a support. The support 4 is fixed to the bottom plate 6 of the optical fiber connection case by screws 7a, and the fixing plate 5 is fixed to the support 4 by screws 7b. It is fixed.
[0009]
The support base 4 is a trapezoidal substantially square shape having a side 4a. The tension member support 3 is formed on one side on the back side, and the tension member 12 can be clamped and fixed by a square seat screw 8. Reference numeral 9 denotes a sticking portion made of an adhesive sheet, which has a width corresponding to the width of the tension member support portion 3 and is formed on the drawing side of the cord 2 in front of the tension member support portion 3 to support the tension member. The cord 2 can be attached in accordance with the position of each square seat screw 8 of the portion 3. Reference numeral 10 denotes a boss for preventing the square seat screw 8 from slipping, and 2a denotes an optical fiber.
In this way, by providing the sticking part in front of the tension member support part, individual cords can be temporarily held, the tension member can be clamped smoothly, and the amount of each cord drawn can be reduced. Adjustment can also be performed easily, and the collective support and fixing of the cord can be easily performed.
[0010]
The fixing plate 5 is a metal plate having a width that covers the entire adhering portion 9. The fixing plate 5 has screw insertion holes 5 a through which screws 7 b are inserted at both left and right ends, which are the long side, and leg portions 5 b at the four corners. Is formed. However, in FIG. 1, the fixed plate 5 is inverted and the leg portion 5b faces upward. Reference numeral 11 denotes a buffer material for protecting the cord 2 and may be elastic or flexible, and for example, a resin sponge, nonwoven fabric, rubber plate or the like may be used.
[0011]
2 and 3 show the cord support form of the cord support portion 1. In FIG. 2, the cord 2 temporarily held on the sticking portion 9 is sandwiched by a fixing plate 5 that is inverted via a cushioning material 11 and a support base 4 to support and fix the cord, and the tension member 12 is attached to the square seat screw 8. It supports to the tension member support part 3 by.
[0012]
FIG. 3 shows an embodiment in which the band is supported and fixed by a band, and the fixing plate 5 is not reversed, but the leg 5b is placed on and fixed to the support table 4 to form a gap below the fixed plate. Thus, each cord 2 can be fixed by the band 15.
In this way, by providing legs on the fixing plate, it is possible to support and fix a plurality of cords at once, or to fix them individually with a band. Can be selected.
[0013]
FIG. 4 shows another embodiment of the present invention, in which insertion grooves 18 for inserting the leg portions 17b of the fixing plate 17 are formed in the left and right ends of the support base 16, and the screw insertion holes 17a of the fixing plate 17 are formed. It is formed as a long hole 14 extending in a direction parallel to the short side of the fixed plate 17, and the cushioning material 11 is attached in advance to the lower surface provided with the leg portion 17b.
Further, a notch 20 that can be engaged with the end of each seat screw 8 is formed on one side of the back side of the support base 16 forming the tension member support portion 3 in accordance with the position where the square seat screw 8 is attached. Thus, the rotation of the square seat screw 8 is prevented, and the tension member 12 can be fixed smoothly.
[0014]
A support form of the cord support portion will be described with reference to FIGS. In FIG. 5, the leg portions 17 b of the fixing plate 17 are inserted into the corresponding insertion grooves 18 and screwed to the support base 16 through the long holes 14. By carrying out like this, the code | cord | chord 2 temporarily hold | maintained at the sticking part 9 can be clamped, and it can support-fix collectively.
Further, in FIG. 6, the fixing plate 17 is slid and fixed within the range of the long hole 14 so that the leg portion 17 b is not inserted into the insertion groove 18 but is placed on the support base 16 in the vicinity thereof. By doing so, the individual cords 2 can be fixed by the band 15 using the gap formed in the lower portion of the fixing plate 17 between the left and right leg portions 17b.
[0015]
As described above, the insertion support groove is provided in the support base, and the fixing plate can be slid to be installed, whereby the support fixing form of the cord can be selected without performing the reversing operation of the fixing plate. In this case, the cushioning material may be attached in advance to the back surface of the fixed plate.
[0016]
It is also possible to form a sticking surface on the surface of the cushioning material and attach it to the support base, and use it also as the sticking part as shown in FIG. 7, so that it is necessary to provide a cushioning material separately when supporting with a fixed plate And the number of members can be reduced. Further, the insertion groove for inserting the leg portion of the fixed plate may not be formed by cutting from the side portion, but may be formed as a through hole. In addition, the shape and configuration of each part can be appropriately changed and embodied without departing from the spirit of the present invention.
[0017]
【The invention's effect】
As described above in detail, according to the first aspect of the invention, when the optical fiber cord is supported, the cord can be temporarily affixed to the affixing portion, so that the drawing amounts of a plurality of optical fiber cords are made uniform. The operation of supporting all at once can be easily performed.
In addition, if the fixed plate is reversed and the legs are turned up, and the upper surface of the fixed plate is pressed against the optical fiber cord temporarily supported by the sticking part, it can be supported and fixed in a lump. If the legs are installed with the legs facing downward, a gap is formed in the lower part of the fixing plate, and the optical fiber cord can be individually fixed by the band, and the support form can be selected according to the situation.
[0018]
According to invention of Claim 2, in addition to the effect of Claim 1, the state which installs a leg part in the insertion groove provided in the support stand and installs a leg part, and the position of a fixing plate shifts, and a leg part is shifted. It is possible to select two types of states, in which the optical fiber cord is clamped by a fixed plate and supported by a band without easily inserting the fixed plate. Can do.
[0019]
According to the third aspect of the invention, in addition to the effect of the first aspect, the optical fiber cable can be supported and fixed without difficulty without separately providing a buffer material.
[Brief description of the drawings]
FIG. 1 is a perspective view of an optical fiber cord support structure showing an example of an embodiment of the present invention.
FIG. 2 is a perspective view showing the usage pattern of FIG. 1;
3 is a perspective view showing another usage pattern of FIG. 1. FIG.
FIG. 4 is a perspective view of an optical fiber cord support structure showing another embodiment of the present invention.
FIG. 5 is a perspective view showing the usage pattern of FIG. 4;
6 is a perspective view showing another usage pattern of FIG. 4; FIG.
FIG. 7 is a perspective view of a support base showing another embodiment of the present invention.
[Explanation of symbols]
1 .. Cord support portion, 2 .. Optical fiber cord, 3 .. Tension member support portion, 4 .. Support base, 5 .. Fixing plate, 5 a .. Screw insertion hole, 5 b. Adhesion part, 11 .... cushioning material, 14 .... elongate hole, 16 .... support base, 17 ... fixing plate, 17a ... screw insertion hole, 17b ... leg, 18 ... insertion groove.

Claims (3)

A tension member support part that supports the tension member of the optical fiber cord, an adhesive part that is disposed on the front side of the optical fiber cord that allows the optical fiber cord to be attached, and left and right sides that are outside the adhesive part A leg plate disposed at an end position, and a fixing plate that can be installed so as to cover the sticking part;
The optical fiber cord can be fixed by a band when the leg portion is faced down, and the optical fiber cord can be clamped and fixed by the sticking portion and the fixing plate when the leg portion is turned upside down. in a, the optical fiber cord supporting structures can be fixed by the fixing plate by temporarily holding the optical fiber cord in the bond portion. The tension member support part and the sticking part are formed on a dedicated support base, and an insertion groove into which the leg portion of the fixing plate can be inserted is provided on the support base, and the leg portion of the fixing plate is inserted into the insertion groove. 2. The optical fiber cord support structure according to claim 1, wherein the optical fiber cord support structure can be installed in two states: a state and a state where it is not inserted. The optical fiber cord support structure according to claim 1, wherein the sticking portion has a buffer material at a lower portion thereof.

Images