JPH06225429A - Structure of metal fitting for wall plate - Google Patents

Abstract

PURPOSE:To fix a metal fitting to an opening part securely and temporarily without falling. CONSTITUTION:An attaching and pushing metal fitting 3 in an approximately square shape for a wall plate is arranged at the opening edge of the rear-surface side of an opening part 5 provided in the wall plate 4. A wiring device is attached to the attaching and pushing metal fitting 3 for the wall plate through an attaching frame. At least the side frame parts on both sides of the attaching and pushing metal fitting 3 for the wall plate are brought into contact with the opening edge of the rear-surface side of the opening part 5. A bent piece 7, which is protruding from one side frame part of the attaching and pushing metal fitting 3 for the wall plate, is arranged along the inner surface of the opening part 5. The bent piece 7 is deformed in a pantograph mode. An engaging piece 8, which is provided at the tip part of the bent piece 7, is brought into contact with the opening edge of the surface side of the opening part 5. A bent piece 9, which is protruding from the other side frame part of the attaching and pushing metal fitting 3 for the wall plate, is arranged along the inner surface of the opening part 5. The bent piece 9 is deformed in the pantograph mode. An engaging piece 10, which is provided at the tip part of the bent piece 9 is brought into contact with the opening edge of the surface side of the opening part 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for installing a wall plate mounting retainer to which a wiring device is attached via a mounting frame.

[0002]

2. Description of the Related Art Conventionally, the present applicant has come to think of a wall plate mounting retainer 3 to which a wiring device 2 such as an outlet is attached via a mounting frame 1 as shown in FIG. . In this case, a bending piece 7 that is deformed in a pantograph manner is provided on one side frame portion 6a of the wall plate mounting and pressing metal fitting 3 formed in a substantially square shape, and the wall plate mounting and pressing metal fitting 3 is also provided. The lower frame portion 6d is provided with a connecting projection 15, and as shown in FIG. 6 (b), the wall plate mounting retainer 3
Is placed along the rear side opening edge of the wall plate 4 provided with the opening 5, and the locking piece 8 provided at the front end of the bending piece 7 is brought into contact with the front side opening edge of the opening 5, By inserting the connecting projection 15 into the lower end of the inner peripheral surface of the opening 5 with a tool such as a screwdriver, the wall plate mounting retainer 3 is temporarily attached to the opening 5. Reference numeral 12 is a connecting plate having a screw hole 13 at the center thereof into which a box screw 17 is screwed, and is inwardly arranged so as to face each other from the upper frame portion 6c and the lower frame portion 6d of the wall plate mounting and pressing fitting 3. It is projected toward. Then, as shown in FIG. 6C, the mounting frame 1 to which the wiring device 2 such as an outlet is mounted is connected and fixed by the box screw 17 to the wall plate mounting pressing fitting 3 in the temporarily fixed state. By screwing the tip of the box screw 17 into the screw hole 13 provided in the connecting plate 12, the wall plate mounting press fitting 3 and the mounting frame 1 are connected and fixed to each other, and the wall plate mounting press fitting 3 and Opening 5 with mounting frame 1
The wall plate mounting retainer 3 is permanently fixed by sandwiching the opening edge of the wall plate 4 provided with.

[0003]

However, in the conventional example as described above, the wall plate mounting and pressing fitting 3 includes a bending piece 7 protruding from one side frame portion 6a and a lower frame portion 6d. It is only cantileveredly attached to the opening 5 by the protruding connecting projection 15, and the box frame 17 is rotated clockwise, which is the tightening direction, to attach the attachment frame 3 to the wall plate. When the work of attaching to the press fitting 3 is performed, there is a problem that the wall plate attaching press fitting 3 comes off from the opening 5 and is rotated rightward together with the box screw 17 as shown in FIG. For this reason, there is also provided a fixing piece 20 as shown in FIG. 8 which is provided so as to project from the upper portion of one side frame portion 6a and the lower portion of the other side frame portion 6b. However, even in this case, the upper left side and the lower right side of the wall plate mounting retainer 3 are attached to the opening 5 by the fixing pieces 20 when the wall retainer 3 is viewed from the front side of the opening 5. As shown in FIG. 9, when the box screw 17 is tightened, the wall plate mounting retainer 3 comes off from the opening 5 and is rotated rightward together with the box screw 17. There was a problem that it would end up.

An object of the present invention is to solve the above-mentioned problems, and it is an object of the present invention to provide an installation structure of a wall plate attachment retainer fitting which can be surely attached to an opening without falling off. It is a thing.

[0005]

According to the present invention, in order to achieve the above-mentioned object, a wall plate mounting and holding metal fitting 3 having a substantially rectangular shape to which a wiring device 2 is attached via a mounting frame 1 is provided. 4 is arranged at the back side opening edge of the opening 5 and at least the side frame portions 6 on both sides of the wall plate mounting holding metal fitting 3 are brought into contact with the back side opening edge of the opening 5 to mount the wall board. A pantograph-deformable bending piece 7 protruding from one side frame portion 6a of the holding metal fitting 3 is arranged along the inner side surface of the opening 5, and a locking piece 8 provided at the tip of the bending piece 7 is arranged. Abutting against the opening edge on the front surface side of the opening 5, and the other side frame portion 6b of the wall plate attachment pressing metal fitting 3
Bending piece 9 deformed in a more pantograph manner
Is arranged along the inner side surface of the opening 5, and the locking piece 10 provided at the tip of the bent piece 9 is brought into contact with the opening edge on the front surface side of the opening 5.

[0006]

Thus, the bent piece 7 protruding from the one side frame portion 6a of the wall plate mounting and pressing fitting 3 and deformed in a pantograph manner is arranged along one inner side surface of the opening 5, and the bent piece A locking piece 8 provided at the front end of 7 is brought into contact with the opening edge of the opening 5 on the front surface side, and a bent piece projecting from the other side frame portion 6b and deformed in a pantograph manner. 9 is arranged along the other inner side surface of the opening 5, and the locking piece 10 provided at the tip of the bent piece 9 is brought into contact with the opening edge on the front surface side of the opening 5 to attach the wall plate. Holding metal fitting 3
Is attached along the opening edge on the back surface side of the opening 5. Then, the bending piece 7 that is transformed into a pantograph type
Is brought into contact with one inner side surface of the opening 5 and a bending piece 9 which is deformed in the same manner as the bending piece 7 in a pantograph manner is brought into contact with the other inner side surface of the opening 5.
Since the locking pieces 8 and 10 provided at the tip of 9 are brought into contact with the opening edge of the opening 5 on the front surface side, the wall plate mounting retainer 3 is securely attached to the opening 5.

[0007]

The present invention will be described below in detail based on the illustrated embodiments. As shown in FIG. 1, an opening 5 is provided in the wall plate 4 by cutting a part of the wall plate 4 formed of a gypsum board or the like into a rectangular shape.
The wall plate mounting retainer 3 is attached to the opening edge on the back side of the.

As shown in FIG. 3, the wall plate mounting and holding metal fitting 3 formed of a thin metal plate is formed in a substantially square shape having an opening corresponding to the shape of the opening 5 in the central portion. Cage,
The upper frame portion 6c, which faces the upper and lower sides, the lower frame portion 6d, and the side frame portions 6, which face the left and right sides, mainly constitute the main body. A ridge 11 is provided on the peripheral edge portion of the wall plate mounting and holding metal fitting 3 over about a half circumference so as to improve the bending strength of the wall plate mounting and holding metal fitting 3. L-shaped connecting plates 12 project from the upper frame portion 6c and the lower frame portion 6d, respectively, and the connecting plate 12 has screw holes 13 into which box screws 17 are screwed.
Is provided. At the base end of the L-shaped connecting plate 12, when the wall plate mounting retainer 3 is brought into contact with the opening edge on the back side of the opening 5, the upper end of the inner peripheral surface and the lower end of the inner peripheral surface of the opening 5 are contacted. An abutting piece 12a to be brought into contact is formed. A supporting piece 14 is integrally projected from a side portion of the connecting plate 12 protruding from the lower frame portion 6d, and a connecting projecting piece 15 having an acute lower end is integrally provided at the tip of the supporting piece 14. Has been. Reference numeral 16 is a notch in which an end portion of the tool a is hooked and locked when the support piece 14 is deformed by a tool a such as a flat head screwdriver to move the connecting projection piece 15.

One of the side frame portions 6 is provided with a bending piece 7 which deforms in a pantograph manner when it is pulled up, and a locking piece 8 is provided at the tip of the bending piece 7. It is provided integrally. A pair of projecting pieces 7a are integrally provided so as to project inward from the inner end of the one side frame portion 6a. The two projecting pieces 7a are arranged to face each other along the one side frame portion 6a. The substantially U-shaped projecting pieces 7b are extended, and the bending pieces 7 are formed by the projecting pieces 7b. The locking piece 8 is integrally formed between the tip ends of the projecting pieces 7b. The protruding piece 7b is formed in the shape of a narrow strip having a width narrower than that of the one side frame portion 6a, and when the locking piece 8 is held and pulled outward in a direction orthogonal to the one side frame portion 6a, the protruding piece 7b is formed.
Is transformed into a pantograph type.

Further, from the inner end of the other side frame portion 6b, a bending piece 9 which is deformed in a pantograph manner when the pulling operation is performed is provided like the above-mentioned bending piece 7.
A locking piece 10 is integrally provided at the tip of the bending piece 9. A pair of projecting pieces 9a is integrally provided so as to project inward from the inner end of the other side frame portion 6b, and the two projecting pieces 9a face each other along the other side frame portion 6b. The substantially U-shaped projecting pieces 9b are extended, and the bending pieces 9 are formed by the projecting pieces 9b. The locking piece 10 is each protruding piece 9
It is integrally formed between the tip portions of b. The projecting piece 9b is formed in a narrow strip shape narrower than the other side frame portion 6b,
When the holding piece 10 is held and pulled up toward the outside orthogonal to the other side frame portion 6b, the projecting piece 9b is deformed in a pantograph manner.

Then, the wall plate mounting and pressing fitting 3 is attached to the wall plate 4
When attaching to the back side opening edge of the opening portion 5 provided in the first side, first, the bending pieces 7 and 9 are projected in a direction orthogonal to the side frame portion 6 and are connected to the upper frame portion 6c. The abutting piece 12a at the base end of the piece 12 is brought into contact with the upper end of the inner peripheral surface of the opening 5, and the abutting piece 12a at the base end of the connecting piece 12 provided on the lower frame portion 6d is formed on the inner peripheral surface of the opening 5. As shown in FIGS. 4 (a) and 4 (b), they are accommodated in the opening 5 so as to abut on the lower end, and then the bending pieces 7 and 9 are bent, and as shown in FIG. 4 (c). The locking pieces 8 and 10 are brought into contact with the opening edge of the opening 5 on the front surface side. Next, as shown in FIG. 4D, the supporting piece 14 is deformed by a tool a such as a flat-blade screwdriver, and the connecting projection 15 is inserted into the lower end of the inner peripheral surface of the opening 5 so that the opening 5 for the wall plate is formed. The mounting press fitting 3 is mounted in a temporarily fixed state. Then, the mounting frame 1 to which the wiring device 2 such as an outlet is attached is arranged in the opening 5 so as to cover the opening 5, and the wall plate mounting press fitting 3 is temporarily fixed from the outer surface of the mounting frame 1. A box screw 17 is screwed into a screw hole 13 of a connecting piece 12 provided in the frame portion 6c and the lower frame portion 6d and tightened, so that the opening frame 5 is attached to the opening portion 5 together with the wall plate attachment holding metal fitting 3. The wiring fixture 2 is attached, and the wall board mounting press fitting 3 and the mounting frame 1 are connected to each other so that the opening 5 is formed between the wall board mounting press fitting 3 and the mounting frame 1.
By sandwiching the opening edge of the wall plate 4 on which the wall plate 4 is provided, the wall plate mounting and pressing fitting 3 is permanently fixed.

In the wall plate mounting retainer 3 which is mounted along the opening edge on the back surface side of the opening 5 in a temporarily fixed state, the bending piece 7 which deforms in a pantograph manner contacts one inner surface of the opening 5. The bent piece 9 is brought into contact with the other inner side surface of the opening 5, and the locking pieces 8 and 10 provided on the bent pieces 7 and 9 are brought into contact with the opening edge of the opening 5 on the front surface side. The contact piece 12a at the base end of the connecting piece 12 provided on the upper frame portion 6c is brought into contact with the upper end of the inner peripheral surface of the opening 5 and the base end of the connecting piece 12 provided on the lower frame portion 6d. Abutment piece 12
When a is abutted on the lower end of the inner peripheral surface of the opening 5, a rear side opening of the opening 5 is formed with a support member abutting or connected to each inner peripheral surface of the opening 5 formed in a rectangular shape. The box screw 1 for attaching the mounting frame 1 together with the wiring device 2 is attached to the rim, and is securely attached to the opening 5 in a temporarily stopped state in a state where the rotation stop is performed.
When 7 is screwed into the screw hole 13 of the connecting piece 12, the wall plate mounting retainer 3 comes off the opening 5 and the box screw 17
There is no such thing as turning around when tightening.

[0013]

As described above, according to the present invention, the rear side opening edge of the opening portion provided in the wall plate is the substantially square-B-shaped wall mounting attachment metal fitting to which the wiring device is attached via the mounting frame. , And at least the side frame portions on both sides of the wall plate mounting and holding metal fitting are brought into contact with the opening edge on the back side of the opening portion to form a pantograph type projecting from one side frame portion of the wall plate mounting and holding metal fitting. The deformed bending piece is arranged along the inner side surface of the opening, and the locking piece provided at the tip of the bending piece is brought into contact with the opening side edge of the opening,
Since the foldable strip-shaped fixing piece projecting from the other side frame portion of the wall plate mounting retainer is abutted along the inner side surface of the opening portion and the front side opening edge, one side frame portion The more protrudingly bent pantograph-shaped bending piece is abutted along one inner side surface of the opening, and the fixing piece protruding from the other side frame portion is arranged along the other inner side surface of the opening. It will come into contact with each other, and each bent piece that can be bent in a pantograph manner will increase the range of contact with the inner peripheral surface of the opening to prevent rotation while securely attaching the wall plate mounting retainer to the opening. Is something that can be done.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

2A and 2B show the same attachment state as above, FIG. 2A is a left sectional view, and FIG. 2B is a right sectional view.

FIG. 3 is a view showing a mounting press fitting for a wall plate, (a)
Is a front view, (b) is a side view, (c) is a rear view, and (d) is a bottom view.

4 (a) to (e) are explanatory views for explaining a construction procedure.

FIG. 5 is a front view of a conventional example.

6 (a) to 6 (c) are explanatory views for explaining the construction procedure of the above.

FIG. 7 is an explanatory diagram illustrating an operation of the above.

FIG. 8 is a partial perspective view showing another conventional example.

FIG. 9 is an explanatory diagram illustrating an operation of the same.

[Explanation of symbols]

 1 Mounting Frame 2 Wiring Device 3 Wall Plate Mounting Bracket 4 Wall Plate 5 Opening 6 Side Frame 6a One Side Frame 6b Other Side Frame 7 Folding Piece 8 Locking Piece 9 Folding Piece 10 Locking Piece

Claims (1)

[Claims] 1. A substantially square V-shaped wall plate mounting retainer to which a wiring device is attached via a mounting frame is provided at an opening edge on the back surface side of an opening provided in the wall plate, and at least the wall plate. Affix the side frame parts on both sides of the mounting bracket to the back side opening edge of the opening,
A bent piece that deforms in a pantograph manner, which projects from one side frame of the wall plate mounting and pressing bracket, is arranged along the inner side surface of the opening, and the locking piece provided at the tip of the bent piece is opened. Place the bent piece that comes into contact with the opening edge on the front side of the wall part and that deforms in a pantograph manner protruding from the other side frame part of the wall plate mounting retainer along the inner side surface of the opening part. An installation structure of a wall plate mounting and holding metal fitting, characterized in that a locking piece provided on the portion is brought into contact with an opening edge on the front surface side of the opening.