JP2005017508A - Information outlet partition plate and information outlet - Google Patents

Abstract

Provided are an information outlet partition plate and an information outlet that can avoid an increase in transmission loss and break a core wire, and improve workability related to wiring.
An optical fiber core wire 20 formed to be attachable to a back box 4 constituting an information outlet 1 and constituting an optical / communication composite cable 2 is different from the optical fiber core wire 20. One side has extra length accommodation means for the extra length 21 of the optical fiber core wire 20 for separating from other cables, and the end portion 23 of the optical fiber core wire 20 extends from one surface side to the other surface side. Is provided with a partition plate 5 for an information outlet.
[Selection] Figure 1

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an information outlet used for information wiring using an optical / communication composite cable, and an information outlet partition plate used for the information outlet.
[0002]
[Prior art]
In recent years, various information devices (including home appliances) have become widespread in offices and general households. Various data such as characters, sounds, and images are transmitted to the information device via an information outlet (for example, see Patent Document 1) installed on the wall of an office or a general household.
[0003]
[Patent Document 1]
JP-A-6-160669 (Page 2, Fig. 1)
[0004]
[Problems to be solved by the invention]
By the way, if you are going to configure an information outlet that has an optical outlet, coaxial and telephone outlet, and power outlet by pulling in the optical / communication composite cable and power cable from the back side of the wall, the following problems Has occurred.
[0005]
That is, there is a possibility that the optical fiber core wire constituting the terminal of the optical / communication composite cable and the metal wire such as the coaxial / telephone / LAN are randomly stored in the back box constituting the information outlet. When such storage is performed, a side pressure due to interference from the metal wire is applied to the optical fiber core wire, which may cause an increase in transmission loss and breakage of the core wire. In addition, there is a problem that workability related to the wiring of the optical fiber core wire and the metal wire is deteriorated.
[0006]
The present invention is made in view of the above-described circumstances, and provides an information outlet partition plate and an information outlet that can avoid an increase in transmission loss and a core wire breakage and improve workability related to wiring. Is an issue.
[0007]
[Means for Solving the Problems]
The partition plate for an information outlet according to the first aspect of the present invention, which has been made to solve the above-mentioned problems, is formed so as to be attachable to a back box constituting the information outlet, and is a light constituting a composite optical / communication cable. One side has extra length storage means for the extra length of the optical fiber core for separating the fiber core and another cable different from the optical fiber core. The terminal portion of the optical fiber core wire can be pulled out to the other surface side.
[0008]
According to a second aspect of the present invention, there is provided the information outlet partition plate according to the first aspect, wherein the information outlet partition plate includes a substantially annular extra-length storage groove as the extra-length storage means.
[0009]
A partition plate for an information outlet according to a third aspect of the present invention is the partition plate for an information outlet according to the second aspect, wherein the extra length storage groove is sized to ensure a minimum bending radius of the optical fiber core wire. It is characterized by the formation.
[0010]
A partition plate for an information outlet according to a fourth aspect of the present invention is the partition plate for an information outlet according to the second or third aspect, wherein the terminal portion of the optical fiber core wire is held as the extra length storage means. The terminal holding part for this is further provided.
[0011]
The information outlet partition plate according to the present invention described in claim 5 is the information outlet partition plate according to claim 4, wherein the portion held by the terminal holding portion is connected to the end of the optical fiber core and the terminal. It is characterized by being connected to a cord with an optical connector to be connected.
[0012]
A partition plate for an information outlet according to a sixth aspect of the present invention is the partition plate for an information outlet according to any one of the first to fifth aspects, wherein the information outlet partition plate is detachable from the back box.
[0013]
A partition plate for an information outlet according to the present invention as set forth in claim 7 is the partition plate for an information outlet according to any one of claims 1 to 6, wherein the optical fiber core wire extends from the one surface side to the other surface side. A plurality of terminal passage holes for pulling out the terminal portion are formed so as to penetrate therethrough.
[0014]
The information outlet of the present invention according to claim 8, which has been made to solve the above-mentioned problems, includes an information outlet partition plate according to any one of claims 1 to 7, and a back box to which the information outlet partition plate is attached. And an outlet decorative plate that has a plurality of outlets and is attached to the front surface of the back box.
[0015]
According to the first aspect of the present invention, the surplus length of the optical fiber core wire is accommodated on one surface, and the end portion of the optical fiber core wire is drawn out from the other surface. The information outlet partition plate of the present invention having such a structure functions so that the optical fiber core wire and other cables can be stored separately in the back box constituting the information outlet. Therefore, the optical fiber core wire drawn into the back box by the information outlet partition plate of the present invention is not subjected to side pressure due to interference from other cables, and as a result, transmission loss increases and the core wire breaks. Is to be avoided. Further, workability related to the wiring of the optical fiber core wire and other cables is improved.
[0016]
According to the second aspect of the present invention, the surplus length of the optical fiber core wire is accommodated in the substantially annular surplus length accommodating groove. That is, the information outlet partition plate of the present invention having such a structure avoids interference with other cables by the extra length storage groove and makes it difficult to receive side pressure from the other cables.
[0017]
According to the third aspect of the present invention, the extra length of the optical fiber core is stored in the extra length storage groove in a state where the minimum bending radius of the optical fiber core is secured.
[0018]
According to the present invention described in claim 4, in addition to the optical fiber core wire being housed in the extra length housing groove, the terminal portion of the optical fiber core wire is also held by the terminal holding portion. That is, the information outlet partition plate of the present invention having such a structure can not only store the extra length but also can hold the terminal portion of the optical fiber core wire.
[0019]
According to the fifth aspect of the present invention, the connection portion between the end of the optical fiber core and the cord with the optical connector is held by the end holding portion. In other words, the partition plate for information outlet according to the present invention having such a structure maintains the connection portion with the cord with the optical connector and maintains the quality of the portion.
[0020]
According to the present invention described in claim 6, it can be attached to or detached from the back box. That is, the information outlet partition plate of the present invention having such a structure further improves the workability related to the wiring of the optical fiber core wire and other cables.
[0021]
According to the present invention as set forth in claim 7, the end portion of the optical fiber core wire can be drawn out at a position corresponding to its length. That is, the information outlet partition plate of the present invention having such a structure further improves the workability related to the wiring of the optical fiber core wire.
[0022]
According to the eighth aspect of the present invention, since the information outlet partition plate according to any one of the first to seventh aspects is provided, an increase in transmission loss and a core breakage are avoided. It has become. Further, workability related to the wiring of the optical fiber core wire and other cables is improved.
[0023]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is an explanatory diagram showing the configuration of an embodiment of an information outlet according to the present invention. 2 is a cross-sectional view of the main part of FIG. 1, FIG. 3 is an explanatory diagram of the configuration of the optical / communication composite cable, FIG. 4 is a plan view of the back box with the information outlet partition plate of the present invention attached, Is a plan view of the partition plate for information outlets, FIG. 6 is a rear view of the partition plate for information outlets, FIG. 7 is a side view of the partition plate for information outlets, and FIGS. .
[0024]
1 and 2, reference numeral 1 indicates an information outlet according to the present invention installed on the wall of an office or a general household. The information outlet 1 is configured such that each terminal of an optical / communication composite cable 2 and a power cable (VVF cable) 3 arranged on the back side of the wall is drawn in and connected to each terminal. .
[0025]
That is, the information outlet 1 of the present invention includes a back box 4 fixed on the back side of the wall, a partition 5 for the information outlet of the present invention mounted in the back box 4, and a back box so as to be exposed from the wall. 4 and an outlet decorative plate 6 attached to the front surface of the main body 4. Hereafter, each said structural member is demonstrated in detail.
[0026]
In FIG. 3, the optical / communication composite cable 2 includes a telephone cable 7, a LAN cable 8, a coaxial cable 9, optical cables 10, 10, and a press-winding tape 11 for collectively pressing and winding them. The inclusions 12 are filled in the gaps between the cables, and the sheath 13 is collectively covered from above the press-wound tape 11. In addition, since these structures are known, the description thereof will be omitted (the power cable 3 is also known, and thus the description thereof is omitted in the same manner).
[0027]
In FIG. 4, the back box 4 is a rectangular metal box member formed so as to open its front surface, and includes a bottom wall 14, and four pieces standing upright on the periphery of the bottom wall 14. And a side wall 15. When the back box 4 is installed, a plurality of (two upper and two lower) cable insertion openings 16 are formed integrally with the side walls 15 and 15 in the vertical direction for drawing the terminal of the optical / communication composite cable 2. Yes. The upper side wall 15 is formed with a power cable insertion opening (not shown) for drawing the end of the power cable 3.
[0028]
Each of the plurality of cable insertion openings 16 is formed in a substantially cylindrical shape, and a cable fixture 17 is integrally provided on the distal end side thereof. The plurality of cable insertion openings 16 are not particularly limited, but are arranged and formed on the right side of the back box 4 as shown in FIG. 1 in this embodiment. On the other hand, the power cable insertion opening (not shown) is arranged and formed on the left side of the back box 4.
[0029]
A plurality of fixing portions 18 for the outlet decorative plate 6 are provided at the open side end portions of the vertical side walls 15, 15 in the back box 4. A plurality of partition plate fixing portions 19 (see FIG. 8) for the information outlet partition plate 5 are provided on the right side of the vertical side walls 15 and 15 and in the middle portion.
[0030]
4 to 9, the information outlet partition plate 5 is a plate member made of synthetic resin and is formed in a rectangular shape in plan view (a rectangular shape whose longitudinal direction matches the vertical direction). Formed). In such an information outlet partition plate 5, an extra length storage groove 22 for storing an extra length 21 of the optical fiber core wire 20 of the optical cable 10 and an optical fiber core wire 20 on the back surface which is one surface thereof. A terminal holding part 24 for holding the terminal part 23 is formed. Further, the information outlet partition plate 5 is formed with a plurality of terminal passage holes 25 penetrating the front and back surfaces and a plurality of fixing portions 26 that engage with the corresponding partition plate fixing portions 19 of the back box 4. Yes.
[0031]
The surplus storage groove 22 is defined by a plurality of walls protruding perpendicularly to the back surface of the information outlet partition plate 5. That is, the surplus length storage groove 22 is formed in a groove as illustrated. The extra length storage groove 22 is formed in a substantially annular shape centering on the center of the information outlet partition plate 5. Furthermore, the extra length storage groove 22 is formed in a size that ensures the minimum bending radius of the optical fiber core wire 20.
[0032]
In the surplus length storage groove 22, four core wire drawing ports 27 that are continuous with the surplus length storage groove 22 and four core wire drawing ports 28 are formed. The four core wire inlets 27 are each formed in accordance with the position of the cable insertion port 16. The four core wire outlets 28 are formed inside the core wire inlets 27 in accordance with the positions of the core wire inlets 27. Note that the number is not limited to four.
[0033]
The surplus length storage groove 22 is formed so that the surplus length 21 of the optical fiber core 20 stored in the surplus length storage groove 22 does not interfere with other cables (7, 8, 9). The extra length storage groove 22 is formed as an extra length storage means described in the claims.
[0034]
The terminal holding portion 24 is formed at the center of the information outlet partition plate 5. That is, the terminal holding part 24 is formed on the inner side than the extra length storage groove 22. Further, the terminal holding portion 24 is connected by a terminal portion 23 of the optical fiber core wire 20 (specifically, a connection point between the terminal of the optical fiber core wire 20 and the cord 29 with the optical connector: fusion, mechanical splice, or the like). And a plurality of grooves are formed along the vertical direction. The terminal holding part 24 is formed as a surplus length accommodation means described in the claims, similarly to the surplus length accommodation groove 22.
[0035]
The plurality of terminal passage holes 25 are portions for pulling out the terminal portion 23 of the optical fiber core wire 20 from the rear surface side to the front surface side of the information outlet partition plate 5, and the extra length storage groove 22 and the terminal holding portion 24. And is formed between. In this embodiment, a total of four are formed, one in the vertical direction and one in the horizontal direction (the arrangement of the terminal passage holes 25 is not limited to this). The terminal passage hole 25 is formed according to the length of the cord 29 with an optical connector and the arrangement of an optical outlet 31 described later. The terminal passage hole 25 is formed in a size that allows insertion of the optical connector 30 attached to the end of the cord 29 with an optical connector.
[0036]
The plurality of fixing portions 26 have a known lock structure, and engage with the corresponding partition plate fixing portions 19 of the back box 4 in a state as shown in FIGS. 8 and 9. The information outlet partition plate 5 is formed to be detachable from the back box 4.
[0037]
Returning to FIG. 1, the outlet decorative plate 6 is formed in accordance with the open shape of the front surface of the back box 4. That is, the outlet decorative plate 6 is formed in a rectangular shape. Such an outlet decorative plate 6 is provided with a known optical outlet 31, a known coaxial and telephone outlet 32, and a known power outlet 33. A plurality of decorative plate side fixing portions (not shown) that engage with the corresponding fixing portions 17 of the back box 4 are provided on the back surface of the outlet decorative plate 6.
[0038]
In addition, the optical connector 30 of the cord 29 with an optical connector is arranged and fixed to the optical outlet 31. A telephone cable 7 and a coaxial cable 9 are connected to the coaxial and telephone outlet 32. Further, the power cable 3 is connected to the power outlet 33. The telephone cable 7 and the coaxial cable 9 are accommodated between the extra length accommodating groove 22 of the information outlet partition plate 5 and the bottom wall 14 of the back box 4.
[0039]
In the above configuration, since the information outlet 1 has the information outlet partition plate 5, the extra length 21 of the optical fiber core wire 20 can be accommodated in the extra length accommodation groove 22 of the information outlet partition plate 5. Specifically, in a state of being wound in accordance with the shape of the extra length storage groove 22, and in a state in which the minimum bending radius of the optical fiber core wire 20 is secured, other cables (telephone cable 7, LAN cable 8, The extra length 21 can be accommodated in a state that does not interfere with the coaxial cable 9).
[0040]
Therefore, the optical fiber core wire 20 of the optical / communication composite cable 2 drawn into the back box 4 is not subjected to side pressure from other cables, and as a result, an increase in transmission loss and a core wire breakage are avoided. be able to.
[0041]
Moreover, since the information outlet 1 has the partition plate 5 for information outlets, the cable accommodation state in the back box 4 can be improved. Therefore, the workability relating to the wiring of the optical fiber core wire 20 and other cables (telephone cable 7, LAN cable 8, coaxial cable 9) can be remarkably improved.
[0042]
In addition, it goes without saying that the present invention can be variously modified without departing from the spirit of the present invention.
[0043]
【The invention's effect】
As described above, according to the first aspect of the present invention, it is possible to avoid an increase in transmission loss and a core breakage, and to provide a partition plate for an information outlet that improves workability related to wiring. There is an effect that can be.
[0044]
According to the second aspect of the present invention, it is possible to avoid interference with other cables. Therefore, it is possible to make it difficult to receive a side pressure from another cable.
[0045]
According to the third aspect of the present invention, the minimum bending radius of the optical fiber core wire can be ensured. Therefore, there is an effect that an increase in transmission loss and breakage of the core wire can be further avoided.
[0046]
According to the present invention described in claim 4, there is an effect that not only the extra length can be stored but also the end portion of the optical fiber core wire can be held.
[0047]
According to the present invention described in claim 5, there is an effect that it is possible to maintain the connection portion with the cord with the optical connector and maintain the quality of the portion.
[0048]
According to the present invention described in claim 6, there is an effect that the workability related to the wiring of the optical fiber core wire and other cables can be further improved.
[0049]
According to the present invention described in claim 7, there is an effect that the workability related to the wiring of the optical fiber core wire can be further improved.
[0050]
According to the present invention described in claim 8, there is an effect that it is possible to provide an information outlet capable of increasing transmission loss and avoiding breakage of the core wire and improving workability related to wiring.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram showing a configuration of an information outlet according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of the main part of FIG.
FIG. 3 is a diagram illustrating the configuration of an optical / communication composite cable.
FIG. 4 is a plan view of the back box with the information outlet partition plate of the present invention attached.
FIG. 5 is a plan view of an information outlet partition plate.
FIG. 6 is a rear view of an information outlet partition plate.
FIG. 7 is a side view of an information outlet partition plate.
FIG. 8 is an explanatory diagram of attachment of the information outlet partition plate (before attachment).
FIG. 9 is an explanatory diagram of attachment of an information outlet partition plate (after attachment);
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Information outlet 2 Optical / communications composite cable 3 Power cable 4 Back box 5 Information outlet partition plate 6 Outlet decorative plate 7 Telephone cable 8 LAN cable 9 Coaxial cable 10 Optical cable 11 Holding tape 12 Inclusion 13 Sheath 14 Bottom wall 15 Side wall 16 Cable insertion port 17 Cable fixing tool 18 Fixing part 19 Partition plate fixing part 20 Optical fiber core wire 21 Extra length 22 Extra length storage groove (extra length storage means)
23 Terminal part 24 Terminal holding part (extra length storage means)
25 Terminal passing hole 26 Fixing part 27 Core wire inlet 28 Core wire outlet 29 Cord with optical connector 30 Optical connector 31 Optical outlet (outlet)
32 Coaxial and telephone outlets
33 Power outlet

Claims (8)

An optical fiber core wire which is formed so as to be attachable to a back box constituting an information outlet and which constitutes an optical / communication composite cable, and another cable different from the optical fiber core wire, A surplus length storage means for the surplus length of the optical fiber core wire is provided on one surface, and a terminal portion of the optical fiber core wire can be pulled out from the one surface side to the other surface side. Information outlet partition plate. In the information outlet partition plate according to claim 1,
A partition plate for an information outlet, wherein the surplus length storing means includes a substantially annular surplus length storing groove. In the information outlet partition plate according to claim 2,
A partition plate for an information outlet, wherein the extra length storage groove is formed in a size that ensures a minimum bending radius of the optical fiber core wire. In the partition plate for information outlets according to claim 2 or claim 3,
A partition plate for an information outlet, further comprising a terminal holding portion for holding the terminal portion of the optical fiber core wire as the extra length storage means. In the partition plate for information outlets of Claim 4,
An information outlet partition plate characterized in that a portion held by the terminal holding portion is a connection portion between a terminal of the optical fiber core wire and a cord with an optical connector connected to the terminal. In the partition for information outlets in any one of Claims 1 thru | or 5,
A partition plate for an information outlet, wherein the partition plate is formed to be detachable from the back box. In the information outlet partition plate according to any one of claims 1 to 6,
A partition plate for an information outlet, wherein a plurality of terminal passage holes for drawing out the terminal portion of the optical fiber core wire are formed from the one surface side to the other surface side. The information outlet partition plate according to any one of claims 1 to 7, a back box to which the information outlet partition plate is attached, and an outlet decorative plate having a plurality of outlets and attached to the front surface of the back box An information outlet characterized by comprising a.

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