JP3202819B2 - Installation structure of wall mounting bracket - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of a wall mounting bracket to which a wiring device is mounted via a mounting frame.

[0002]

2. Description of the Related Art Conventionally, the applicant of the present invention has come to consider a mounting fixture 3 for a wall plate to which a wiring device 2 such as an outlet is attached via an attachment frame 1 as shown in FIG. . In this case, a bent piece 7 that is deformed in a pantograph manner is provided on one side frame 6a of a wall-plate mounting press fitting 3 formed in a substantially rectangular shape. A connecting projection 15 is provided on the lower frame portion 6d, and as shown in FIG.
Is arranged along the back 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 bent piece 7 abuts on the front side opening edge of the opening 5, The connecting piece 15 is pierced into the lower end of the inner peripheral surface of the opening 5 by a tool such as a screwdriver, so that the wall plate mounting holding member 3 is temporarily fixed to the opening 5. Reference numeral 12 denotes a connecting plate provided with a screw hole 13 at the center thereof into which the box screw 17 is screwed. The connecting plate 12 faces inward so as to face the upper frame 6c and the lower frame 6d of the wall plate mounting bracket 3 respectively. It is projected toward. As shown in FIG. 6 (c), the mounting frame 1 on which the wiring device 2 such as an outlet is mounted is connected and fixed to the wall plate mounting holding member 3 in the temporarily fixed state by a box screw 17. By screwing the tip of the box screw 17 into a screw hole 13 provided in the connecting plate 12, the wall mounting bracket 3 and the mounting frame 1 are connected and fixed to each other. Opening 5 with mounting frame 1
The wall plate 4 is provided with the opening edge of the wall plate 4 so that the wall plate mounting fixture 3 is permanently fixed.

[0003]

However, in the above-mentioned conventional example, the mounting fixture 3 for the wall plate is composed of a bent piece 7 protruding from one side frame 6a and a lower frame 6d. The mounting frame 3 is simply attached to the opening 5 in a cantilever manner by the projecting connecting projection 15, and the box frame 17 is rotated clockwise in the tightening direction to attach the mounting frame 3 to the wall plate. When the work of attaching to the presser fitting 3 is performed, as shown in FIG. 7, there is a problem that the mounting fixture 3 for the wall plate falls off from the opening 5 and rotates together with the box screw 17 in the right direction. For this purpose, there is also provided one in which a fixing piece 20 as shown in FIG. 8 is provided so as to protrude from an upper portion of one side frame portion 6a and a lower portion of the other side frame portion 6b. However, also in this case, the upper left and lower right sides of the wall plate mounting press fitting 3 are attached to the opening 5 by the fixing pieces 20 when the wall plate mounting press fitting 3 is viewed from the surface side of the opening 5. When the box screw 17 is tightened, the wall plate mounting holder 3 falls off from the opening 5 and rotates rightward with the box screw 17 as shown in FIG. There was a problem that would.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide an installation structure of a wall plate mounting press fitting that can be securely mounted in an opening without falling off. Things.

[0005]

According to the present invention, in order to achieve the above-mentioned object, a substantially square-shaped wall plate mounting press fitting 3 to which a wiring device 2 is attached via a mounting frame 1 is provided. 4 is provided at an opening edge on the back surface side of the opening 5 provided in the opening 4, and at least the side frame portions 6 on both sides of the mounting metal fitting 3 for the wall plate are in contact with the opening edge on the back surface side of the opening 5, and the mounting for the wall plate A pantograph-deformable bent piece 7 protruding from one side frame 6a of the holding member 3 is arranged along the inner surface of the opening 5, and a locking piece 8 provided at the tip of the bent piece 7 is provided. Is brought into contact with the opening edge on the front surface side of the opening 5, and the other side frame 6 b of the mounting holding member 3 for a wall plate.
By bending a fixing piece 9 formed of a pair of bendable thin strips 9a protruding inwardly ,
It is in contact with the inner side surface of the opening 5 and the opening edge on the front side.

Further, a gripping piece 10 for gripping with a finger is provided at the tip of the fixing piece 9, and the gripping piece 10 projects obliquely toward the front surface side so as to intersect the longitudinal direction of the fixing piece 9. it is intended to set. Further, a non-slip portion 10a for preventing slip may be provided on the surface of the gripping piece 10.

[0007]

The bent piece 7 protruding from one of the side frame portions 6a of the wall plate attachment holding member 3 and being deformed in a pantograph manner is arranged along one inner surface of the opening 5, and is bent. The locking piece 8 provided at the tip of the opening 7 comes into contact with the opening edge on the surface side of the opening 5 and a pair of narrow strips 9a protruding from the other side frame 6b. The fixing piece 9 formed in this manner is brought into contact with the other inner side surface and the opening edge on the front side of the opening 5, so that the wall plate mounting holding member 3 is attached along the opening edge on the back side of the opening 5. Then, the bent piece 7 that deforms in a pantograph manner is brought into contact with one inner surface of the opening 5 and the fixing piece 9 is brought into contact with the other inner surface of the opening 5, so that the wall plate mounting press fitting is provided. 3 is securely attached to the opening 5.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to 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 mounting bracket 3 for a wall plate is attached to the opening edge on the back side of the panel.

As shown in FIG. 3, a wall metal mounting holding member 3 formed of a thin metal plate is formed in a substantially rectangular shape having an opening corresponding to the shape of the opening 5 at the center. Yes,
The upper frame part 6c and the lower frame part 6d which oppose up and down, and the side frame part 6 which opposes at right and left comprise a main body. A ridge 11 is provided on the peripheral edge portion of the wall plate attachment holding member 3 over about a half circumference to improve the bending strength of the wall plate attachment holding member 3. An L-shaped connecting plate 12 is projected from each of the upper frame portion 6c and the lower frame portion 6d, and the connecting plate 12 has a screw hole 13 into which a box screw 17 is screwed.
Is provided. At the base end of the L-shaped connecting plate 12, when the wall plate mounting holding member 3 is in contact with the opening edge on the back surface side of the opening 5, it contacts the upper end of the inner surface of the opening 5 and the lower end of the inner surface. The contact piece 12a to be contacted is formed. A support piece 14 is integrally provided from the side of the connecting plate 12 protruded from the lower frame portion 6d, and a connecting protrusion 15 having a sharp lower end is integrally provided at the tip of the support piece 14. Have been. Reference numeral 16 denotes a notch in which the end of the tool a is hooked and locked when the connecting piece 15 is moved by deforming the support piece 14 with a tool a such as a flathead screwdriver.

[0010] Of the side frame portions 6, one side frame portion 6a is provided with a bent piece 7 which is deformed in a pantograph manner when it is lifted, and a locking piece 8 is provided at the tip of the bent piece 7. It is provided integrally. A pair of protruding pieces 7a are integrally formed to protrude inward from the inner end of one of the side frame portions 6a. The two protruding pieces 7a face each other along one side frame portion 6a. Each of the substantially U-shaped projecting pieces 7b extends, and the bent piece 7 is formed by this projecting piece 7b. The locking pieces 8 are formed integrally between the distal ends of the projecting pieces 7b. The protruding piece 7b is formed in a narrow band shape narrower than one of the side frame portions 6a. When the holding piece 8 is lifted outwardly at right angles to the one side frame portion 6a, the protruding piece 7b is formed.
Is to be transformed into a pantograph type.

From the inner end of the other side frame portion 6b, a fixing piece 9 formed of a pair of narrow band members 9a is integrally formed so as to project inward. The piece 10 is provided integrally. Each strip 9a constituting the fixing piece 9
Is narrower than the other side frame portion 6b, so that the gripping piece 10 can be easily folded by hand. The gripping pieces 10 integrally formed between the distal ends of the narrow strips 9a project obliquely toward the front surface side so as to intersect the longitudinal direction of the narrow strips 9a. When the thin strip 9a is bent with the finger, the gripping piece 10 is easily gripped with the finger. The surface of the gripping piece 10 is knurled and provided with a non-slip portion 10a, so that the gripping piece 10 can be gripped by a finger without slipping.
Here, when the fixing piece 9 is formed by the pair of narrow strips 9a, the fixing piece 9 is not easily deformed in the case of performing a press working or in a plating process.

Thus, the wall plate mounting press fitting 3 is attached to the wall plate 4.
When attaching to the opening edge of the back surface side of the opening 5 provided in the above, first, the bent piece 7 and the fixing piece 9 are projected in a direction orthogonal to the side frame 6, and the connection provided in the upper frame 6c. The contact piece 12a at the base end of the piece 12 contacts the upper end of the inner peripheral surface of the opening 5 and the connecting piece 1 provided on the lower frame 6d.
2A and 2B are housed and arranged in the opening 5 as shown in FIGS. 4 (a) and 4 (b) so that the contact piece 12a at the base end thereof is in contact with the lower end of the inner peripheral surface of the opening 5. And fixing piece 9
And the locking piece 8 and the fixing piece 9 are brought into contact with the opening edge of the opening 5 on the surface side as shown in FIG. Next, as shown in FIG. 4D, the supporting piece 14 is deformed by a tool a such as a
Is inserted into the lower end of the inner peripheral surface of the opening 5, whereby the wall plate mounting press fitting 3 is temporarily attached to the opening 5. 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,
The connecting pieces 12 provided on the upper frame portion 6c and the lower frame portion 6d of the mounting fixture 3 for the wall plate temporarily fixed from the outer surface of the mounting frame 1.
By screwing and screwing a box screw 17 into the screw hole 13 of the above, the wiring device 2 is mounted together with the mounting frame 1 in the opening 5 via the wall mounting bracket 3. The metal plate 3 and the mounting frame 1 are connected to each other so that the opening edge of the wall plate 4 provided with the opening 5 is sandwiched between the mounting plate 1 for the wall plate and the mounting frame 1 so that the mounting plate for the wall plate is sandwiched. Reference numeral 3 denotes a book fixed.

[0013] The mounting fixture 3 for the wall plate, which is attached in a temporarily fixed state along the opening edge on the back side of the opening 5, has a bent piece 7 that deforms in a pantograph manner hits one inner surface of the opening 5. The connecting piece 1 provided on the upper frame 6c is brought into contact with the fixing piece 9 and abuts on the other inner surface of the opening 5.
The contact piece 12a at the base end of the second contact piece abuts on the upper end of the inner peripheral surface of the opening 5 and the contact piece 12a at the base end of the connecting piece 12 provided on the lower frame 6d has The support member is attached to the inner peripheral surface of the opening 5 formed in a rectangular shape by being in contact with the lower end of the surface, and is attached to the back surface side opening edge of the opening 5 in a state where the support member is in contact with or connected to the inner surface. It is securely attached to the opening 5 in a temporarily fixed state with the rotation stopped, and a box screw 17 for mounting the mounting frame 1 together with the wiring device 2 is screwed into the screw hole 13 of the connecting piece 12. In such a case, the wall plate mounting press fitting 3 does not fall off from the opening 5 and rotate together with the box screw 17.

[0014]

As described above, according to the present invention, a substantially square-shaped mounting fixture for a wall plate to which a wiring device is attached via a mounting frame is provided on the rear side of the opening provided on the wall plate. At least, the side frame portions on both sides of the wall plate mounting press fitting abut against the back side opening edge of the opening, and are formed in a pantograph type protruding from one side frame portion of the wall plate mounting press fitting. The bent piece to be deformed is arranged along the inner surface of the opening, and the locking piece provided at the tip of the bent piece abuts on the opening edge on the surface side of the opening,
The inner side surface and the surface side opening of the opening portion are bent by bending a fixing piece formed of a pair of bendable thin strips protruding inward from the other side frame portion of the wall plate mounting holding member. Since it is abutted along the edge, a bent piece that deforms in a pantograph style protruding from one side frame is abutted along one inner surface of the opening and protrudes from the other side frame. The fixed piece that has been fixed is brought into contact with the other inner surface of the opening, so that the bent piece, the locking piece, and the fixed piece are prevented from rotating, and the wall plate mounting press fitting is securely inserted into the opening. It can be installed. Further, when the fixing piece is formed by a pair of narrow strips, the fixing piece is less likely to be deformed in the case of performing press working or in the plating step. Furthermore, the fixing piece does not protrude outward from the mounting retainer before laying, and the mounting retainer for the wall plate can be prevented from being bulky, and has good handleability.
In addition, when laying, by appropriately bending the fixing piece according to the thickness of the wall plate, it is arranged not only on the inner surface of the opening but also along the opening edge on the front surface side, so that the wall plate mounting holding bracket can be firmly fixed. It is. Also, place your finger on the tip of
Provide a gripping piece for gripping with the
Oblique to the surface side so as to intersect with the longitudinal direction of
As it protrudes in the direction, it is easy to grasp the gripping piece with your finger
Is formed so that the gripping piece can be easily held by the fingers
It can be folded.

[Brief description of the drawings]

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

FIGS. 2A and 2B show a mounting state of the above, where FIG. 2A is a left sectional view and FIG. 2B is a right sectional view.

3A and 3B show a mounting bracket for a wall plate, and FIG.
Is a front view, (b) is a side view, (c) is a rear view, and (d) is a bottom view.

FIGS. 4A to 4E are explanatory diagrams illustrating a construction procedure.

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

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

FIG. 7 is an explanatory diagram for explaining the operation of the above.

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

FIG. 9 is an explanatory diagram for explaining the operation of the above.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 mounting frame 2 wiring device 3 wall plate mounting holding member 4 wall plate 5 opening 6 side frame portion 6a one side frame portion 6b the other side frame portion 7 bent piece 8 locking piece 9 fixing piece 9a narrow band material 10 Grab piece 10a Non-slip part

Claims (2)

(57) [Claims] 1. A substantially square-shaped mounting fixture for a wall plate 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. Abutting the side frames on both sides of the mounting bracket for
A pantograph-shaped bent piece protruding from one side frame of the wall plate mounting bracket is arranged along the inner surface of the opening, and the locking piece provided at the tip of the bent piece is opened. A fixing piece formed of a pair of bendable narrow strips that abut against the front side opening edge of the portion and protrude inward from the other side frame portion of the wall plate mounting press fitting. Ri formed in contact along the inner surface and the front side opening edge of the opening by bending, gripping for gripping with a finger tip portion of the fixing piece
A piece is provided, and this gripping piece is
Installation structure of a wall plate for mounting bracing, wherein formed isosamples projected obliquely toward the surface side so that a difference. 2. A non-slip anti-slip surface on a gripping piece.
2. The installation structure of a wall plate mounting press fitting according to claim 1, further comprising a portion .