JP7170152B1 - Wiring device mounting frame - Google Patents

Abstract

A wiring device mounting frame is provided in a wiring embedded box, which enables easy installation and fixing of a wiring device having a cable connected to the wiring embedded box attached to a wall surface. To fix a wiring device mounting frame to a wiring embedded box attached to a wall surface, a fixing screw used for the wiring embedded box is passed through a screw hole of the wiring device mounting frame, and a screw of the wiring embedded box is inserted. As a means for facilitating the work of inserting and screwing into the receiver, the fixing screw hole through which the screw part of the fixing screw is passed and the fixing screw head through hole through which the head of the fixing screw is passed are communicated above and below the wiring device mounting frame. A portion is formed to allow the screw portion to move from the communication portion, and is projected in the front direction from the peripheral edge of the fixed screw head through hole. Alternatively, a wiring device mounting frame in which an auxiliary rib is formed to protrude forward on the edge of the fixing screw head through-hole to increase rigidity. [Selection drawing] Fig. 1

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring device mounting frame used in a box for mounting outlets, switches, etc. in electrical wiring work.

Conventionally, an embedded box used for electrical wiring work is embedded in a wall surface, an outlet, a switch or a control, etc. is attached to a wiring device mounting frame, and a fixing screw is used to pass it through a fixing screw hole of the mounting frame. Tighten and fix it in the screw receiving hole of the embedded box.
Also, when replacing a switch, outlet, etc. attached to an existing embedded box due to trouble due to deterioration over time, they are attached and fixed to the existing wiring device embedded box in the same manner as described above.

However, in the work of tightening the mounting frame with the wiring device attached to the embedded box with the fixing screw, the fixing screw is passed through the fixing screw hole of the mounting frame, and the screw receiving hole of the embedded box is tightened and fixed. Due to the condition of the embedded box, the fixing screw cannot be accurately inserted into the screw receiving hole, which is very difficult.
This often results in the problem that the last one of the two fixing screws cannot be seen and it takes time.

Therefore, in order to solve the above problem, a wiring device mounting frame is used, the wiring device is mounted on the mounting frame, screw holes are formed at the top and bottom of the mounting frame, and screw holes are formed at one end of the screw hole from the frame end. There is a mounting frame provided with a notch in which a threaded portion can slide so that the threaded portion can move into a screw through hole (see, for example, Patent Document 1).

Actual application 8-4775

However, if the upper and lower screw holes are cut vertically from the end of the mounting frame, the rigidity of the mounting frame will be significantly reduced. Lowering and deforming can cause electrical problems.
Originally, the mounting frame has a pair of ribs projecting forward from both edges in the horizontal direction of the mounting frame in order to prevent deformation due to aging. Configuration.

Accordingly, the present invention has been made to solve the above problems, and is a wiring device having a structure that maintains the high rigidity of the conventional mounting frame and allows the mounting frame with the wiring device mounted thereon to be easily attached and fixed to the embedded box. It provides a mounting frame.

In order to achieve the above object, the present invention provides a wiring device mounting frame having a window hole, in which a pair of clamping portions are formed at three locations opposite to the window hole, and a wiring device such as an outlet is mounted in the window hole. The wiring device mounting frame clamped and held by a pair of clamping portions,
a fixing screw hole through which the screw portion of a fixing screw is inserted; a fixing screw head through hole through which the head of the fixing screw is inserted; and the screw portion is fixed through the fixing screw head through hole. Forming a communicating portion that enables movement to the screw hole,
The rigidity of the wiring device mounting frame is increased by forming an auxiliary rib protruding in the front direction on the edge of the fixing screw head through-hole.
A projection is formed in the front direction from the peripheral edge of the fixing screw head through hole, and an auxiliary rib is formed on the edge of the fixing screw head through hole so as to protrude in the front direction. It is also possible to increase the rigidity of

In addition, in order to prevent the rigidity of the mounting frame from being lowered by forming the edge of the head through hole in a projecting shape, the projecting shape forms a circular rib around the edge of the head through hole. Alternatively, it is characterized by forming an inverted L-shaped projection to increase the rigidity of the mounting frame.

Further, in the wiring device mounting frame having a window hole, a pair of clamping portions are formed at three locations opposite to the window hole, and a wiring device such as an outlet is clamped and held in the window hole by the pair of clamping portions. The wiring device mounting frame,
a fixing screw hole through which the screw portion of a fixing screw is inserted; a fixing screw head through hole through which the head of the fixing screw is inserted; and the screw portion is fixed through the fixing screw head through hole. Forming a communicating portion that enables movement to the screw hole,
The wiring device mounting frame is formed with a pair of edge ribs protruding in the front direction on both left and right edges, and is fixed to the edge rib ends of both edges or one edge of the fixing screw head through hole. The rigidity of the wiring device mounting frame is enhanced by forming a reinforcing edge rib extending to the position of the end of the screw head through hole.

In addition , in the wiring device mounting frame having the window hole, a material having extremely high rigidity is used for the mounting frame, and the head of the fixing screw connected to the fixing screw through hole through which the fixing screw is passed is provided at the top and bottom of the mounting frame. It is also possible to use a mounting frame formed in a head through-hole through which the head through-hole passes, and not to form projections on the periphery of the head through-hole, auxiliary ribs on the edges, or reinforcing edge ribs projecting on both edges.

The present invention facilitates installation of a wiring device connected to an embedded box provided on a wall surface (construction) by screwing, in installation work for new construction or replacement work in case of failure. The second screw can be easily attached and fixed even in a place where it is particularly difficult to work.
Therefore, it is possible to attach and fix the mounting frame with the outlets, switches, etc. of the wiring device to the wiring embedding box mounted on the wall surface in a short period of time, thereby improving work efficiency.

In the first embodiment of the present invention, a) FIG. b) The figure is a front view in which an auxiliary rib is formed in the shape of a projection forward on the edge of the fixing screw head through-hole. c) The figure is a side view of a wiring accessory mounting frame. It is a principal part expansion perspective view of a) figure and b) figure of FIG. 1 of 1st Example. Fig. 2 is a front view of a state in which a wiring device outlet is attached to a window hole of a wiring device mounting frame in the first embodiment; It is sectional drawing of a side surface in the state which attaches the wiring apparatus attachment frame of 1st Example to the embedding box provided in the wall surface (structure). Fig. 4 of the first embodiment is an enlarged perspective view of a main part in a state in which the head of the fixing screw whose tip is screwed into the embedding box is inserted into the fixing screw head through hole of the mounting frame and moved to the fixing screw hole; is. In another embodiment, a reinforcing edge rib is formed to prevent the rigidity of the mounting frame from deteriorating due to the fixing screw head through hole. 4 is a front view of forming reinforcing edge ribs in FIG. b) The figure is a front view in which a reinforcing edge rib is formed up to one edge in the concave groove on the fixing screw head through hole side. c) Figures a) and b) are side views. It is a principal part expansion perspective view of a) figure of FIG. 6 of another Example, and b) figure. It is a figure which formed the reinforcing edge rib in the edge of the mounting frame in another Example, a) The figure forms the edge rib which protruded in one edge of the mounting frame, and a reinforcing edge rib is formed to the upper end position, b) The figure shows both ends. FIG. 10 is an enlarged perspective view of a main part in which a pair of edge ribs projecting in the front direction of the edge are formed with reinforcing edge ribs up to the upper end position;

A first embodiment of the present invention will be described with reference to the drawings.

First, the form of the first embodiment of the present invention will be described with reference to FIGS. 1 to 4. FIG.
1 shows the configuration of the wiring device mounting frame 1 of the first embodiment of the present invention in a) view, b) view, and c) view in FIG. 1, and FIG. In the configuration of frame 2,
In the mounting frame 2 of the wiring device mounting frame 1 having a window hole 21, a pair of clamping portions are formed at three locations opposite to the window hole 21 so that the outlet, switch, control, etc. of the wiring device can be attached to the mounting frame 2. Fitting into the window hole 21, one end of the device is engaged with the receiving engagement projection 12, the other end of the wiring device is engaged with the crimped portion 10 and the engagement projection 11, and the engagement projection 11 is fitted with a screwdriver or the like. Fix the wiring device.
In addition, in the upper and lower portions of the window hole 21 of the mounting frame 2, a fixing screw hole 3 is formed through a fixing screw head through hole 4 through which the fixing screw head 16 is inserted and a communicating portion 5, and auxiliary metal fittings are used on both sides. A hook 15 that can be attached to the
Due to the structure of the mounting frame 2, the fixing screw head through hole 4 and the fixing screw hole 3 are formed to communicate with each other, so that the rigidity of the mounting frame 2 is reduced. Since it prevents deformation of the mounting frame 2 due to aging by using the insertion and removal for many years,
In order to correct the low rigidity of the mounting frame 2 by forming the fixing screw head through hole 4, a) a protruding portion 6 is formed in the front direction from the peripheral edge of the fixing screw head through hole 4 shown in the figure.
b ) In the figure, an auxiliary rib 7 is formed on the edge of the fixing screw head through hole 4 so as to protrude in the front direction, and is formed to increase the rigidity of the mounting frame 2 of the wiring device mounting frame 1 .

3, 4, and 5 show the mounting frame 2 of the wiring device mounting frame 1 with the wiring device receptacle 8 already mounted. and a projection 6. FIG.
In addition, the connection position determination projection 13 of the mounting frame 2 in the figure is constructed in a state in which the wiring device mounting frame 1 is connected, and is used in the mounting work.
4 is a cross-sectional side view of the wiring fixture mounting frame 1 attached to the wiring-embedded box 22 attached to the wall surface, and then tightened and fixed using fixing screws. FIG. In the state of temporary fixing by screwing the tip of the fixing screw 17 into the fixing screw fixing portion 25, insert only the fixing screw head portion 16 into the fixing screw head through hole 4, and then pass through the communicating portion 5 to the fixing screw hole 3. FIG. 4 is an enlarged perspective view of a main part in a state in which a fixing screw portion is moved as shown in the dotted line diagram;
A plate mounting base 19 is provided at the upper and lower ends of the mounting frame 2, and a plate screw hole 18 is provided at the center of the plate mounting base 19 to fix the decorative plate.

An example of the installation work to the wiring embedded box 22 provided on the wall surface 27 (construction) using the above configuration will be described.
As shown in FIG. 4, when installing the wiring embedded box 22 on the back side of the wall surface 27, the total length of the fixing screws 17 used when the thickness of the wall surface 27 is about 10 mm to 20 mm is 40 mm to 50 mm. When working in these conditions, it is desirable to
Insert the wood screw 23 through the box mounting screw hole 25 of the wiring embedding box 22 to the wall, pillar, etc. and tighten it, fix the wiring embedding box 22, pass the F cable 26 with wiring work through the wiring embedding box 22, and attach it to the wall surface. With 27 in front,
The wire of the F cable 26 is connected to the wiring device mounting frame 1 to the wiring device outlet 8, the wiring device outlet 8 to which switches are attached, or the cable connection terminal of the wiring device switch or the like.
On the other hand, the fixed screw portion 25 of the wiring embedding box 22 attached to the wall surface 27 is slightly screwed at the tip portion with a total length of 40 mm to 50 mm so that it protrudes 15 mm to 23 mm from the front surface of the wall surface 27,
The two fixing screw heads of the fixing screw 17 attached to the wiring embedding box 22 attached to the wall surface 22 are inserted into the fixing screw head through hole 4 and inserted. The fixed screw portion 17 of the fixed screw 17 moves through the communication portion 5 to the fixed screw hole 3, so that the main body of the wire device mounting frame 1 is aligned with the mounting position of the wiring embedding box 22, and the two fixing screws 17 are fixed. and fixed to the front surface of the wall surface 27.
Therefore, in attaching and fixing the wiring device mounting frame 1 to the wiring embedded box attached to the structure by the conventional work, the structure of the mounting frame 2 of the wiring device mounting frame 1 is reduced in the time-consuming work of tightening the fixing screw hole 25. It can be easily done, and the work time can be shortened.

Another embodiment will be described with reference to FIGS. 6, 7 and 8. FIG.
In addition, descriptions that overlap with the first embodiment will be omitted.
FIG. 6 shows another embodiment in which reinforcing edge ribs are formed to prevent deterioration of the rigidity of the mounting frame 2 by forming the fixing screw head through hole 4, the fixing screw hole 3, and the communicating portion 5. ) Figure is a front view showing a pair of reinforcing edge ribs formed in a groove from a pair of edge ribs at both ends, b) Figure is a front view showing a reinforcing edge rib formed in a groove at one end, and c) Figure is a side view. It is a diagram.
FIG. 7 is an enlarged perspective view of a main portion of FIG. 6 a) and b).
FIG. 8 is a diagram showing a second example of reinforcing edge ribs in another embodiment, a) the figure shows edge ribs formed on one edge of the mounting frame up to the upper end position, and b) the figure shows the reinforcing edge ribs on both edges. FIG. 11 is an enlarged perspective view of a main part in which a pair of edge ribs are formed in the front direction and a reinforcing edge rib is formed up to the upper end position;

As shown in the figure, in the mounting frame 2 of the wiring device mounting frame 1 having a window hole , in the configuration of the mounting frame 2, an outlet or the like of the wiring device is fitted into the window hole 21 of the mounting frame 2, and one end of the device is received. The engaging projection 12 is engaged, and the other end of the wiring device is fitted into the crimping portion 10 and the engaging projection 11 with a screwdriver or the like to fix the wiring device.
In the upper and lower portions of the window hole 21 of the mounting frame 2, a fixing screw head through hole 4 through which the fixing screw head 16 is passed and a fixing screw hole 3 are formed through a communicating portion 5, and auxiliary metal fittings are used on both sides. A hook portion 15 that can be attached to the wall surface 27 is provided.
Since the fixing screw head through hole 4 and the fixing screw hole 3 are formed to communicate with each other, the rigidity of the mounting frame 2 is reduced. Because it prevents deformation of the mounting frame 2 due to
By forming a pair of edge ribs 9 protruding in the front direction on both left and right edges of the wiring device mounting frame 1 or the mounting frame 2 with the wiring device receptacle 8, a reinforcing edge is formed up to the upper end position of the fixing screw head through hole 4. Ribs 92 are formed by extension.
Alternatively, a reinforcing edge rib 91 is formed by extending the concave groove 14 .

Since the handling operation is the same as in the first embodiment, it is omitted.

In addition , in the mounting frame 2 of the wiring device mounting frame 1 having window holes, fixing screw holes 3 through which fixing screws 17 are inserted and fixing screw head holes through which the fixing screw heads 16 are inserted are provided above and below the mounting frame 2. A mounting frame (2) of a wiring device mounting frame (1) having a communication portion (5) formed in a hole (4) and connecting the fixing screw hole (3) and the fixing screw head through hole (4).
By using an extremely rigid material for the mounting frame 2, the mounting frame 2 which is not easily deformed over time is used, so that the protrusions 6, the reinforcing ribs 7, and the reinforcing edge ribs 91 and 92 are not formed. A mounting frame 2 is also possible.

1 is a wiring device mounting frame 2 is a mounting frame 3 is a fixing screw hole 4 is a fixing screw head through hole 5 is a communicating part 6 is a projection 7 is a reinforcing rib
8 is a wiring device receptacle 9 is an edge rib
91:92 is reinforced edge rib
10 is the caulking part
11 is the engagement protrusion
12 is the receiving engagement protrusion
13 is a continuation positioning projection
14 is a groove
15 is the hook
16 is the fixing screw head
17: Fixing screw
171: Screw part of fixing screw
18 is a plate screw hole
19 is the plate mounting base
20 is plug blade receiving hole
21 is the window hole (wiring device mounting window hole)
22 is a wiring embedding box
23 is a wood screw
24 is the box mounting screw hole
25 is the fixing screw part
26 is F cable
27 is the wall

Claims (1)

In a wiring device mounting frame having a window hole, a pair of clamping portions are formed at three locations opposite to the window hole, and the wiring device such as an outlet is clamped and held by the pair of clamping portions in the window hole. A mounting frame,
a fixing screw hole through which the screw portion of a fixing screw is inserted; a fixing screw head through hole through which the head of the fixing screw is inserted; and the screw portion is fixed through the fixing screw head through hole. Forming a communicating portion that enables movement to the screw hole,
A wiring device mounting frame, characterized in that the steel property of the wiring device mounting frame is enhanced by forming an auxiliary rib projecting in the front direction on the edge of the fixing screw head through-hole.

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