JP3177884B2 - Wiring device installation device, holding plate, holding plate member, wiring device and seal member - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch, which is mounted on a wiring device installation opening such as a wall hole provided in a concealed wall such as veneer or gypsum board, or an opening of a wiring box embedded in a concrete wall. The present invention relates to a wiring device installation device, a holding plate, a holding plate member, a wiring device, and a sealing member used for mounting a wiring device such as an outlet, and in particular, a gap between the wiring device and a peripheral edge of a through hole through which the wiring device faces. The present invention relates to a wiring device installation device and a holding plate for sealing a device and preventing the inflow and outflow of air.

[0002]

2. Description of the Related Art In recent years, in the electronics industry, precision industry, hospitals, and the like, clean rooms have been constructed to prevent dust from being mixed. In the box to be mounted,
BACKGROUND ART Dust-proof packing is used to prevent dust or the like from flowing from a mounting portion of a wiring device. For example, Shokai 6
Japanese Patent Publication No. 1-88417 discloses this kind of technology.

FIG . 11 is an exploded perspective view showing a conventional wiring device mounting portion. In the figure, a wiring box 31 is provided on the back surface side of the wall 14, and a coating cover 32 having an opening 32 a is mounted on the front surface thereof via mounting screws 33. On the other hand, the dustproof packing 34 is provided on the surface side of the wall 14.
The dustproof packing 34 is in contact with the surface of the wall 14 to close the wall hole 14a, and is inserted into the opening 32a of the coating cover 32 to be housed in the wiring box 31. And a drawer 37 formed on the bottom surface of the housing 36 to draw out the electric wire in a sealed state.
It is composed of And this dustproof packing 34 is made of rubber and is integrally formed.
A metal plate is fitted into a required portion such as the periphery of the flange 35 or the periphery of the central opening. A wiring device holding frame 38 holding the wiring device 11 is attached to the flange 35 of the dustproof packing 34, and a decorative cover 39 is attached to the front side of the dustproof packing 34 via an attachment screw 33. The wiring device 11 faces the front.

As described above, in the wiring device mounting portion provided with the dustproof packing 34, the electric wire connected to the wiring device 11 is drawn out of the drawing portion 37 of the dustproof packing 34 into the wiring box 31. It is inserted into the conduit tube 41. Therefore, the space inside and outside the wall 14 is blocked by the dustproof packing 34, and the drawer 37 through which the electric wire is inserted has a sealed structure, so that the inflow and outflow of air are blocked, and the outside dust is prevented from entering the room. Is done.

[0005]

By the way , most of the inflow and outflow of the air inside and outside the wall 14 is through the gap between the wiring device 11 and the through hole 40 of the decorative cover 39. Therefore, it is possible to obtain a high dustproof effect equivalent to that of the conventional example only by locally sealing these gaps with a large amount of inflow and outflow, and it is possible to remarkably enhance the indoor cooling and heating effect. Will be extremely useful. In such a case, if the conventional dustproof packing 34 is used uniformly, it becomes expensive, and since it is bulky, installation and transportation become inconvenient. Further, since the dustproof packing 34 is provided as a separate member and is handled as an independent component, component management is troublesome. On the other hand, conventionally, no sealing means has been applied to the wiring device holding frame and the decorative cover.

Therefore, the present invention provides an inexpensive and easy installation with a simple structure, and a space between a wiring device mounting portion and a room between the wiring device and a through hole facing the front surface of the wiring device, particularly, a space between the wiring device and the wiring device. blocking of the flow of air, has been to prevent dust from entering the room, it is an object of the present invention to provide a wiring device installation unit and the holding plates which can increase the cooling and heating effect of the chamber.

[0007]

According to a first aspect of the present invention, there is provided an apparatus for installing a wiring apparatus, the wiring apparatus being in close contact with a periphery of the wiring apparatus to close a wiring apparatus installation opening formed in a building wall. a flange portion for a holding portion for holding the wire fixtures, retained by the wiring accessory
A holding frame having a mounting hole for allowing the front surface of the
The wiring device attached to the front of the holding frame and held
A holding plate member and a decorative cover having a permeable hole to face the table, through between the decorative cover and the holding frame
And a sealing member, wherein the sealing member has a front surface.
Is the gap between the wiring device facing the wall surface and the periphery of the through hole?
In order to cut off the air flow, the holding frame
Between the cosmetic cover and the holder.
It is in close contact with the entire periphery of the wiring device.

According to a second aspect of the present invention, there is provided a holding plate for closing a wiring device installation opening formed in a building wall, the flange portion being in close contact with the periphery of the opening, a holding portion for holding the wiring device,
A mounting hole that allows the front of the held wiring device to face the wall surface
A holding frame having, attached to the front of the holding frame, holding
Cover with a through-hole for allowing the wiring equipment to face the wall surface
A holding plate member and a chromatography, the reduction and the holding frame
A seal member interposed between the cosmetic cover and
The sealing member is a wiring device having a front surface facing the wall surface and the wiring device.
In order to block air flow from the gap with the periphery of the through hole,
While being held between the collar front of the holding frame and the decorative cover,
Close contact with the entire circumference of the side surface of the wiring device held by the holding portion
Things.

[0009]

DETAILED DESCRIPTION OF THE INVENTION hereinafter be described with reference to actual施例of the present invention in FIGS. 1-5. In the figure, a holding plate member 1 is obtained by assembling a holding frame 1a and a decorative cover 1b. First, the holding frame 1a has a peripheral wall portion 2 formed in a cylindrical shape having a predetermined length to accommodate the wiring device 11 therein.
And a substantially square plate-shaped flange 3 provided on the front surface thereof. The peripheral wall 2 is provided with the flange 3
A cable outlet hole 4 for extracting the cable 12 is provided on the bottom side opposite to the front side, and a guide groove 5 formed with a concave portion communicating in the length direction is provided inside the guide groove 5. Is a screw 13 inserted from the front side of the flange 3
Can be accommodated. Further, a square mounting hole 6 is formed in the center of the flange 3 so that the attached wiring device 11 faces the front side of the wall 14, and the mounting hole 6 is formed on the left and right edges of the mounting hole 6. Is provided with a retaining portion 7 composed of a retaining hole, a retaining piece, and the like for retaining and attaching the retaining projection 11a of the wiring device 11. The screw 13 is inserted into the screw mounting hole 8 .

[0010] The screw 1 inserted in the guide groove 5
A holding piece 15 is screwed to the distal end of 3, and at least the side of the holding piece 15 facing the flange 3 forms a plane parallel to the flange 3. In addition, the guide groove 5 has a tip of the right peripheral wall in FIG. 1 projecting slightly to the bottom side from a tip of the left peripheral wall. Blocked by the part
It is designed to advance toward the flange 3 side.

In the holding frame 1a thus formed, the peripheral wall portion 2 is embedded in the wall 14 and the flange portion 3 is in contact with the wall surface on the surface side of the wall 14, and the flange portion 3 and the holding piece Fifteen
Thus, the wall 14 is sandwiched between them, so that the wall 14 is installed in the wall hole 14 a of the wall 14. In addition, the wall hole 14
“a” corresponds to the wiring device installation opening in the claims.
Further, a locking hole 9 is provided in the flange 3. On the other hand, the decorative cover 1b is provided with a locking projection for locking with the locking hole 9 on the back surface, and is attached to the front side of the flange 3 of the holding frame 1a so as to cover the wall hole 14a of the wall 14. Has become.
2 and 4, the decorative cover 1b is omitted.

The sealing member 16 includes the flange 3 and the decorative cover 1.
b and is sandwiched, except for the portion where the wiring device 11 Komu faces,
On the front surface of the flange 3, the periphery of the mounting hole 6 is covered, and the periphery of the insertion hole 17 is in close contact with the entire side surface of the wiring device 11 to seal the gap 18 between the wiring device 11 and the through hole 20 of the decorative cover 1 b. And is formed of a rubber sheet or the like, and an adhesive or the like is used in combination as needed. Here, FIGS. 1 to 3
The sealing member 16 is so covers substantially the entire front surface of the flange 3, is also covered hole provided on the front surface of the flange portion 3, such as the holding part 7 and the screw mounting holes 8. However, the seal member 16 may cover only the periphery of the mounting hole 6 as shown in FIGS .

Next, a description will be given of the flow of air between the inside and the outside of the wiring device installation apparatus thus configured.
The air that is going to flow from the back of the wall into the indoor side of the wall surface is sealed by the sealing member 1 sandwiched between the front surface of the flange 3 and the decorative cover 1b.
6 is close to the side of the wiring device 11,
Does not enter the wall surface along the side surface of the wiring device 11 from the gap 18 between the peripheral edge of the wiring device 11 and the wiring device 11. In addition, the air flowing from the back of the wall to the space between the front surface of the flange portion 3 and the decorative cover 1b through the holding portion 7, the screw mounting hole 8, and the like, is sealed by the sealing member 16 as shown in FIGS. As shown in FIGS. 4 and 5, when the flange 3 covers a substantially front surface of the flange 3, or only covers the periphery of the mounting hole 6, as shown in FIGS.
In the case where the decorative cover 1b is closed so as to surround the peripheral portion of the cover 1b, the former is closed by the holding portion 7 or the opening of the screw mounting hole 8 and the latter is closed by the holding portion.
Leakage through the gap between the periphery of the through hole 20 and the wiring device 11 through the gap between the surfaces between the sealing member 16 and the wiring member 11 is prevented. Then, leakage from the outer peripheral portion of the flange portion 3 is blocked by the decorative cover 1b covering the outer peripheral portion of the flange portion 3. Although the flow of air from the back of the wall to the indoor side of the wall surface has been described above, the reverse flow, that is, the case where the air on the indoor side flows from the wiring fixture installation device to the back of the wall is naturally prevented. You.

Next, in order to mount the holding plate member 1, the holding piece 15 is previously tilted to the left on the bottom surface of the peripheral wall portion 2 so as not to protrude outward from the outer periphery of the peripheral wall portion 2, that is, within the diameter of the wall hole 14a. Then, the peripheral wall portion 2 of the holding plate member 1 is inserted into the wall hole 14a, and the screw 13
To rotate. Then, the holding piece 15 rises to the right following the screw engagement of the screw 13 and protrudes from the outer peripheral surface of the peripheral wall portion 2. That is, after the state shown in FIG. 1 is reached, the rotation is prevented by the right peripheral wall of the guide groove 5 as the screw 13 is screwed, and the screw 13 advances to the flange 3 side. Therefore, the holding piece 15
Is pressed against the back of the wall, and clamped and fixed to the wall 14 by the flange portion 3 and the flat portion of the clamping piece 15. The holding piece 1 is fixed to the wall 14.
The flange 3 may be fixed by directly screwing the screw 13 to the wall 14 without holding and fixing using the 5. However, when the wall 14 is formed of a soft and brittle material such as a gypsum board, it is desirable to screw and fix the screw 13 directly because the stability is poor and the screw 13 is easily detached.

As described above, the holding plate of this embodiment is
Since the sealing member 16 attached to the front surface of the flange 3 seals the gap 18 between the wiring device 11 and the through hole 20 of the decorative cover 1b, ventilation between the space on the front side of the wall 14 and the space on the back side is shut off. . As a result, the inflow of dust from the outside can be prevented, and the cooling and heating air from the indoor side can be prevented from leaking to the outside, so that the indoor cooling / heating effect can be enhanced and the indoor dew can be prevented. In addition, it is possible to prevent dust from invading and accumulating in the wiring device mounting portion, thereby causing a fire due to a tracking phenomenon in a contact portion with the electric wire.

In particular, according to the present embodiment, the sealing member 16
Is formed of a small rubber sheet, so that an effect that it can be manufactured at low cost is obtained. The structure is simple and does not loose bulk, mountability is good, Ru can be performed comfortably even transported.

The seal member 16 has an insertion hole 17
Is tightly attached to the entire side surface of the wiring device 11 and covers the front surface of the flange portion 3 or is tightly sandwiched between the flange portion 3 and the decorative cover 1b to shut off the ventilation from the gap 18 and the like. , Formed of a rubber sheet to enhance the sealing effect. However, as long as sealing properties can be obtained, it may be formed of a sheet material of another material such as a foamed resin, or may be formed by solidifying an adhesive. Note that a locking projection on the back surface of the decorative cover 1b is inserted into the escape hole 19 of the seal member 16.

In this embodiment, as shown in FIGS. 6 and 7, the cross section of the entire surface of the flange 3 of the holding frame 1a of the holding plate member 1 is triangular along the peripheral edge thereof. Ridge 2 consisting of small projections in the shape of a square, semicircle, etc.
1 can also be provided.

In this embodiment, when the decorative cover 1b is attached, the sealing member 16 is pressed by the ridge 21, so that the sealing performance can be further improved. Therefore, in addition to the gap 18 between the sealing member 16 and the wiring device 11, air is not removed from the sealing member 16 and the flange 3 of the holding frame 1a due to lack of unevenness or flatness on the surface.
Between the seal member 16 and the decorative cover 1b can be reliably prevented from leaking. Further, compared to the case where the peripheral end of the holding frame 1a is hermetically closed only by the peripheral end of the decorative cover 1b, the hermeticity at the peripheral end of the holding frame 1a can be further enhanced, and the air from the peripheral end can be further improved. Inflow and outflow can be more reliably prevented.

FIGS. 6 and 7 show the case in which the ridge 21 is formed on the peripheral edge of the holding frame 1a. In FIG. 8, the mounting hole 6 is surrounded along the outer peripheral edge of the mounting hole 6. 5 shows a case where a similar ridge 21 is provided on the surface of the holding frame 1a. Also in this case, the sealing property can be similarly increased, and the sealing member 16 has a small area, so that it can be manufactured at low cost.

The ridge 21 may be provided on the side of the decorative cover 1b, or alternatively, the holding frame 1a and the decorative cover 1b may be provided.
May be provided in both .

In this embodiment, the sealing member 1
If a conventional dustproof packing is used in addition to 6, dustproofness can be more reliably improved in a clean room. Then, the connection portion of the wiring device 11 with the electric wire is fixed with a gel-like sealing member, and the other holes of the holding plate member 1 are similarly sealed with a gel-like sealing member to further enhance the sealing effect. Can also be improved. In addition, although the holding plate member 1 is shown as having the peripheral wall portion 2, it is not limited to this, and the holding plate member 1 may not be provided with the peripheral wall portion 2.

Next, another holding plate of this embodiment is shown in FIG.
Shown in

In the figure, the seal member is mounted not only on the front surface of the flange portion 3 but also on the back surface of the flange portion 3 as a second seal member 16 a and is tightly sandwiched between the wall 14. Therefore, since the peripheral edge of the wall hole 14a of the wall 14 is sealed by the second seal member 16a, the dustproof effect can be further enhanced.

Next, still another holding plate of this embodiment is shown in FIG. In the figure, a recess 3a having a predetermined depth corresponding to the shape of the seal member 16 is formed on the front surface of the flange portion 3, and the seal member 16 is fitted and attached to this portion. In this case, the sealing member 16
Is held by the flange 3 in a stable state .

[0026] The contact holding plate member 1 of the above embodiments
The sealing plate 16 and the sealing member 16 constitute a holding plate according to the present invention.

By the way, in the above embodiment, although the sealing member 16 is only attached to the holding plate member 1, when practicing the present invention, provided on both of the holding plate member 1 and the wiring device 11, and more It can also enhance the sealing effect.

Further, the present invention relates to the above-described embodiments.
The present invention is not limited to the one mounted on a wall, and can be similarly applied to a concrete buried one.

In the present invention, the wiring device 11 includes various wiring devices such as a switch, an outlet, a dimmer, and a ground.

[0030]

As described above, the present invention is provided with a seal member for blocking the air flow from the gap between the wiring device facing the wall surface and the periphery of the through hole of the holding plate. Therefore, the ventilation between the space on the front side and the space on the back side of the building wall is cut off, so that the inflow of dust from the outside can be prevented, the cooling and heating effect can be enhanced, and dew condensation can be prevented. Further, it is possible to prevent the intrusion of dust and prevent the occurrence of fire due to the tracking phenomenon in the wiring device mounting portion. In particular, according to the present invention, since the seal member is formed of a rubber sheet, an effect that it can be manufactured at low cost is obtained. In addition, since the structure is simple and it is not bulky, the mounting property is good and the transportation is easy. Further, when the sealing member is integrally mounted as a holding plate, parts management is easy. Also play. In addition, if a conventional dustproof packing is used in combination with the seal member , dustproofness can be more reliably improved in a clean room.

[Brief description of the drawings]

1 is an exploded perspective view showing a wiring instrument installation device real施例of the present invention.

FIG. 2 is a front view showing a holding frame and a seal member of FIG. 1;

FIG. 3 is a partially cutaway side view showing the wiring device installation apparatus of FIG. 1;

It is a front view showing a sealing member in another wiring devices installed device real施例of the present invention; FIG.

5 is a partially cutaway side view showing another wiring devices installed device real施例of the present invention.

6 is a front view showing another holding frame in the real施例of the present invention.

FIG. 7 is a partially cutaway side view showing the holding frame of FIG. 6;

8 is a front view showing a further holding frame in the real施例of the present invention.

9 is a further partially broken side view showing another wiring devices installed device real施例of the present invention.

10 is a partially broken side view showing a modified example of the wiring device installation apparatus in the real施例of the present invention.

FIG. 11 is an exploded perspective view showing a conventional wiring device mounting portion.
You.

[Explanation of symbols]

1 holding plate member 1a holding frame 1b decorative cover 3 flange portion 6 mounting holes 7 holding unit 11 lines fixtures 1 4 wall 14a wall holes 16 seal member 16a second sealing member 18 gap 20 holes 21 rib

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H02G 3/02 H01R 13/74

Claims (2)

(57) [Claims] 1. A wiring device installation device for installing a wiring device in a wiring device installation opening formed in a building wall, comprising: a wiring device; a flange portion closely contacting a periphery of the opening to close the opening; a holding portion for holding an instrument, a holding frame having a mounting hole for exposing the front surface of the hold by the wiring instrument wall table, the holding
With the wiring equipment attached and held on the front of the frame facing the wall surface
A holding plate member provided with a decorative cover having a through hole, and a seal portion interposed between the holding frame and the decorative cover.
Material, the sealing member is a wiring device facing the front wall surface
In order to shut off air flow from the gap with the perimeter of the through hole,
It is sandwiched between the collar front of the holding frame and the decorative cover.
In close contact with the entire circumference of the side surface of the wiring device held by the holding portion
A wiring device installation device characterized by performing. 2. A flange that is in close contact with the periphery of the wiring device installation opening formed in the building wall to close the opening, a holding portion that holds the wiring device, and a front surface of the held wiring device facing the wall surface. A holding frame having a mounting hole, and a front face of the holding frame.
Through-hole for mounting and holding wiring equipment on the wall surface
A holding plate member provided with a decorative cover having: a sealing portion interposed between the holding frame and the decorative cover
Material, the sealing member is a wiring device facing the front wall surface
In order to shut off air flow from the gap with the perimeter of the through hole,
It is sandwiched between the collar front of the holding frame and the decorative cover.
, The sides all around and closely in retained wiring accessories to the holding portion
Holding plate, wherein to Rukoto.