JP2995291B2 - Wiring equipment duct - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring device duct for accommodating and wiring power lines and communication lines between partition walls and ceiling walls, and installing the wiring device.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
Further, when wiring devices such as electric power extraction and signal input / output lines are installed between the ceiling walls, as shown in FIG.
A cover 23 that fills the gap between the two (or between the ceiling walls) is attached, and wiring is performed on the surface using a wiring tube 24 or the like.
A take-out port is provided using a wiring device such as a ready-made exposure switch box 25 or the like.

[0003]

In the conventional mounting of the wiring device between the partition walls, the gap between the partition walls may not always be constant, and the installation of the cover 23 and the positioning of the wiring pipe 24 may be performed. Fixing and the like require time and are troublesome, and the wiring tube 24 and the switch box 25 are exposed and installed on the wall surface, so that there is an aesthetic problem. In addition, it takes time to remove the components, and it is difficult to reuse components such as wiring tubes, and once used, the only option is to dispose them as industrial waste.

[0004] In view of the above problems, the present invention can easily support the wiring between the partition walls and is affected by the assembly accuracy between the partition walls or the ceiling wall. It is an object of the present invention to provide a reusable wiring device duct which can be easily positioned without any trouble. Claim 2
An object of the described invention is to make it possible to easily perform installation and removal operations in addition to the above-mentioned problems.

[0005]

According to a first aspect of the present invention, there is provided a wiring device duct which is provided between partition walls to insert and support a wiring and to install a wiring device. A tubular duct provided with an opening portion in which a device can be embedded continuously on the front surface, and a mounting bracket for fixing the duct between partition walls, wherein the mounting bracket is
A support member fixedly attached to the duct and having a contact portion abutting on a wall frame having on the partition wall side surface and protruding from the left and right of the duct;
It is longer than the distance between the side surfaces of the partition wall, and the support member and the central portion are connected to each other in the duct, and are composed of a rotatable fixing bracket. The support member and the fixing bracket clamp and fix the wall frame. The duct is fixed between the partition walls.

According to a second aspect of the present invention, in the first aspect, the connecting member between the support member and the fixing member is a wing bolt inserted from the support member side and screwed into the fixing member.

According to a third aspect of the present invention, there is provided a wiring device duct which can be installed between partition walls to insert and support a wiring and to install a wiring device. And a mounting bracket for fixing the duct between the partition walls, wherein the mounting bracket is two plates, one of which is longer than the distance between the side surfaces of the partition wall. The other plate has a width in contact with a wall frame provided on the side surface of the partition wall, and has a connecting portion for connecting a duct at the center, and the two plates are arranged such that both ends of the one plate contact the side surface, respectively. The wall frame is sandwiched between the plate members to fix both the plate members, and a connecting portion for connecting to the connecting portion is provided on the back surface of the duct, and the duct is fixed by the connecting member.

According to a fourth aspect of the present invention, in the first to third aspects of the present invention, a locking side for locking a duct cover for closing the opening is provided at the front end of the left and right side surfaces of the duct.

In the above configuration, the partition wall includes a ceiling wall.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will now be described in detail with reference to the drawings. 1A and 1B show a state in which a wiring device duct according to the present invention is installed between partition walls, FIG. 1A is a front view, FIG. 1B is a front view in which the duct is covered with a cover, and FIG. It is explanatory drawing, FIG. 2: has shown the cross-sectional view. In the figure, 2 is a duct, 3 is a partition wall (hereinafter simply referred to as a wall), the duct 2 is disposed between the walls 3, and is fixed between the walls 3 by mounting brackets 5 provided at three places. I have. A power line 10 is housed in the duct and connected to an outlet box 11 which is a wiring device installed at an appropriate position. 13 is a duct cover, and 16 is an outlet cover.

The duct 2 is a resin cylinder having a substantially U-shaped cross section and a uniform opening on the front side so that an outlet box can be installed at an arbitrary position. A protruding band 4 for locking is provided continuously in the vertical direction, and an insertion window (not shown) through which the mounting bracket 5 is inserted to the left and right outwards is provided on the top and the back side of the protruding band 4. ) Is formed. Also, the side surface 1 on both sides of the duct opening
A locking side 15a for locking the duct cover 13 that closes the front of the duct is provided at an end of the duct 5, and the duct cover 13 is provided with an engaging side 13a at a corresponding position.

As shown in FIG. 3, the mounting member 5 comprises a stopper 6, a sandwiching member 7, and a fixing member 8 which constitute a support member.
3 has a width in contact with the wall frames 14 provided on the side surfaces thereof, and is installed so that both left and right ends project symmetrically from an insertion window provided at the top of the protruding band 4. In the center is a bolt insertion hole 6a for inserting a bolt.
However, a screw insertion hole 6b is provided at the symmetrical position for connecting the clamp 7 with a screw.

The clamp 7 is a metal plate having substantially the same width as the inner diameter of the duct 2 in the lateral direction. The clamp 7 has a bolt insertion hole 7a at the center similarly to the stopper 6, and the insertion hole 6b
Are formed. And it is arranged so that it may overlap with the stopper 6 from the back side of the protruding band 4 in the duct 2, and inserts the screw 12 from the screw insertion hole 6 b of the stopper 6 into the screw screw hole 7 b of the pinching member 7. By doing so, the ridge 4a of the protruding band 4 is clamped, and the stopper 6 and the clamp 7 are fixed. The fixing member 8 is a plate body that is sufficiently longer than the side surfaces 3a of the left and right walls 3 and 3 and is disposed further to the back of the duct than the holding member 7 so as to overlap with the holding member 7, and has a bolt screw hole 8a at the center. A wing bolt 9 inserted through the bolt insertion holes 6a and 7a of the stopper 6 and the clamp 7 is screwed into the bolt screw hole 8a and connected. And both ends can protrude right and left from the insertion window provided in the duct 2.

Next, a procedure for mounting a duct provided with the above-described mounting hardware will be described. First, the length of the duct 2 is adjusted by cutting or the like as necessary so as to match the height of the wall 3. Then, the mounting brackets 5 are installed at three places, that is, the upper and lower ends and substantially the center of the duct 2. The fixing member 6 and the holding member 7 of the mounting member 5 are firmly fixed to the duct 2 with screws 12, and the fixing member 8 is rotatably loosely screwed with the wing bolt 9. The number of mounting brackets 5 need not be three but may be arbitrary.

Then, the duct 2 is inserted between the walls 3. The duct 2 is inserted with the opening face toward the front, and the protruding portions of the stoppers 6 are brought into contact with the left and right wall frames 14, 14. At this insertion position, the fixing bracket 8 is rotated to bring both ends into contact with the wall side surface 3a, and the duct 2 is aligned with the center position between the walls. After that, the wing bolt 9 is rotated to increase the tightening operation, so that the wall frame is clamped between the stopper 6 and the fixing member 8 to fix the duct 2. By performing this operation on other mounting brackets,
The entire duct is securely fixed between the walls.

The fixing bracket 8 is provided with a cut portion 8b corresponding to the thickness of the frame around the bolt screw hole 8a so that a large stress is not applied. Also, the fixing bracket 8
Can be performed by rotating the wing bolt 9 screwed into the fixing bracket 8, or by rotating the fixing bracket 8 in the direction in which the wing bolt 9 is further tightened. If they are in contact with each other, the additional tightening operation of the wing bolts 9 causes a stronger contact, so that the duct 2 is accurately set at the center position between the walls.

As described above, the duct can be fixed together with the positioning of the duct simply by contacting the stopper provided on the duct with the wall frame and rotating and increasing the wing bolt to increase the position of the duct. It is not necessary to install the duct, and the duct can be easily installed in a short time. In addition, since the duct is always installed at the center position between the walls when the duct is fixed, the duct can always be installed at the center position without being affected by the assembling accuracy even if the spacing between the partition walls varies.

For installation of wiring equipment and the like, the outlet box 11 and the like are buried at appropriate positions in the opening and the duct 2 is installed.
The connection of the outlet box 11 may be performed by inserting the wiring 10 from the upper end of the outlet box 11 or the like.
The upper and lower ends of 1 may be fixed. The duct cover 13 is provided with an opening corresponding to the position of the installed outlet box 11 so that the engagement side 13a and the engagement side 1 of the duct 2 are provided.
5a is engaged and installed on the front surface of the duct 2 to close the duct opening.

As described above, since the front surface of the duct is open, it is easy to insert the wiring, and since the wiring is supported by the duct, there is no need to fix the wiring separately. In addition, the duct cover can be installed simply by engaging with the engagement side of the duct, the wiring opening can be buried and installed with wiring equipment, and there is no exposure of wiring, so the duct opening is closed by the duct cover If it does, it will not spoil the beauty. Furthermore,
When removing the duct, the duct cover can be easily removed to disengage from the duct, and since the wiring is not fixed, the duct can be removed by a simple operation of loosening the wing bolt. Further, since the mounting bracket is not processed or deformed during use, it is excellent in reusability and can reduce waste.

FIGS. 4 and 5 show another embodiment of the wiring device duct. In this case, the mounting bracket 18 has the same length as that of the above-described embodiment, and the fastening bracket 19 and the fixing bracket 2 have the same length.
0 and two plate members, and these plate members are
And the duct 17 and the mounting bracket 18 are fixed by screws 21. The stopper 19 is formed wider than the fixing member 20, and has a screw hole 19 for screwing the screw 21 in the center.
a, two screw screw holes 19b are formed in the width direction thereof. An insertion hole 20a for inserting the screw 21 is formed at the center of the fixing bracket 20, and a step portion 20b is formed around the insertion hole 20a.
Are formed.

A procedure for mounting the duct using the wiring device will be described. First, the stopper 19 is turned in the horizontal direction from the back surface side of the wall 3 and is brought into contact with both the wall frames 14, and the fixing bracket 20 is inclined from the near side so that both ends contact the side surface 3 a of the wall 3. 19 is applied to the abutted wall frame 14, and both are connected by screws 21, and the wall frame 1
4 is clamped and fixed. Next, screw insertion holes (not shown) corresponding to the screw screw holes 19b of the stoppers 19 are provided on the center line on the back surface of the duct 17, and are disposed between the walls, and the duct 17 is fixed to the stoppers 19 by screws 22. I do.

Since the mounting bracket does not penetrate the duct by mounting in this manner, there is no need to provide an insertion window or the like in the duct, and the duct can have a simple structure and can be inexpensive. Can be. In addition, since the clip metal as in the above embodiment is not required, the number of members of the mounting metal can be reduced.

The wing bolt used for the mounting bracket may be a simple bolt or a screw, or a bolt may be used where the screw is used. In addition, the present invention is not limited to the above-described embodiment, and can be implemented by appropriately changing the shape and configuration of each part without departing from the spirit of the present invention.

[0024]

As described in detail above, according to the first aspect of the present invention, since the front surface of the duct is open, it is easy to insert the wiring, and since the wiring is supported by the duct, the wiring is separately fixed. Therefore, wiring between the partition walls can be performed in a short time. In addition, since the duct is fixed by holding the wall frame by contacting both ends of the fixing bracket to the side surface of the partition wall, the duct is always installed at the center position thereof without being affected by the assembly accuracy between the partition walls. be able to. Therefore, there is no need to perform a separate positioning operation at the time of installation. Furthermore, since the mounting bracket is not deformed by the duct mounting operation, it is excellent in reusability and can reduce waste.

[0025]

According to the second aspect of the present invention, since the support member and the fixture are connected by the wing bolt, the duct can be installed or removed only by operating the wing bolt.
Installation and removal operations can be performed easily and in a short time.

According to the third aspect of the present invention, since the front surface of the duct is open, it is easy to insert the wiring, and since the wiring is supported by the duct, it is not necessary to fix the wiring separately, and the space between the partition walls is eliminated. Wiring can be performed in a short time.
Also, the number of members of the mounting bracket can be reduced, and since the mounting bracket is provided outside the duct, the duct can have a simple structure and be inexpensive.

According to the fourth aspect of the present invention, the opening of the duct can be easily closed, and the appearance is not impaired.

[Brief description of the drawings]

FIG. 1 shows an example of an embodiment of the present invention, in which a wiring device duct is installed between partition walls, (a) is a front view showing a configuration, and (b) is a front view provided with a cover. ,
(C) is a vertical sectional view.

FIG. 2 is an explanatory cross-sectional view of the wiring device duct of FIG. 1;

FIG. 3 is an exploded perspective view of the mounting bracket shown in FIG.

FIG. 4 is a cross-sectional view showing another embodiment of the wiring device duct.

FIG. 5 is an exploded perspective view of the mounting bracket shown in FIG.

6A and 6B show shapes between partition walls, and FIG. 6A is a perspective view,
(B) is an enlarged view of a part A.

FIG. 7 is a perspective view showing a conventional wiring device attachment between partition walls.

[Explanation of symbols]

1 ··· Wiring device duct, 2 ·· duct, 3 ·· partition wall, 3a ·· partition wall side, 4 ·· projecting band, 5 ·· mounting bracket, 6 ··· stopper, 7 ·· pinching bracket, 8. Fixing bracket, 9 Butterfly bolt, 10 Power line, 11 Outlet box, 12 Screw, 14 Wall frame,
15 ··· side surface, 15a ··· locking side, 18 ··· mounting bracket,
19 ··· Stopper, 20 ··· Fixing bracket, 21, 22, ···
screw.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-10-51930 (JP, A) JP-A-7-48888 (JP, A) JP-A-61-123621 (JP, U) JP-A-2- 105604 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) H02G 3/04 E04B 2/74

Claims (4)

(57) [Claims] 1. A wiring device duct that can be installed between partition walls to insert and support wiring and to install a wiring device, wherein a cylindrical opening having a front surface through which a wiring device can be embedded is provided continuously. And a mounting bracket for fixing the duct between the partition walls, wherein the mounting bracket is fixed to the duct and has a contact portion that abuts a wall frame provided on the side surface of the partition wall and protrudes from the left and right of the duct. The support member and the central portion are connected to each other in the duct, and are longer than the distance between the member and the side surface of the partition wall. By doing so, a wiring fixture duct that fixes the duct between the partition walls. 2. The wiring device duct according to claim 1, wherein the connecting member between the supporting member and the fixing member is a wing bolt inserted from the supporting member side and screwed into the fixing member. 3. A wiring device duct that can be installed between partition walls to insert and support wiring and to install a wiring device, wherein a cylindrical opening having a front surface provided with an opening through which the wiring device can be embedded is continuously provided. And a mounting member for fixing the duct between the partition walls, wherein the mounting member is two plate members, one plate member being longer than the distance between the side surfaces of the partition wall, and the other plate member. Has a connecting portion for connecting the duct at the center while having a width in contact with a wall frame provided on the side surface of the partition wall, and the two plate members are arranged such that both ends of the one plate member respectively contact the side surfaces. A wiring device duct in which both wall bodies are fixed by holding a wall frame, and a connecting portion for connecting to the connecting portion is provided on the back surface of the duct, and the duct is fixed by a connecting member. 4. The wiring device duct according to claim 1, wherein a locking side for locking a duct cover for closing an opening is provided at a front end of the left and right side surfaces of the duct.