JPH07296904A - Box for electric appliance - Google Patents

Abstract

PURPOSE:To enhance the versatility for various power outlets having different sizes by provision of a frame and reduce the cost by forming a panel in compliance with the size of the outlet used. CONSTITUTION:An opening 2 is provided in a specified position on a duct body 3 accommodating electric wires and lids 4 are installed by detaining the detent part 13 of each lid 4 with a detaining part 9. using a screw 25, a power outlet 28 is fixed to a panel 18 of a box 17 in such an arrangement that the outlet hole 28a is exposed at a window 24. A detent part 20 of a frame 19 of the box body 17 is retained with the retaining part 9 in the part opening 3 of the duct body 3, and the frame 19 is installed being positioned between the lids 4, 4. If necessary, it is retained with the retaining part 21 of the frame 19 where the detent part 20 of another frame 19 and they are laid one over the other so the specified height. The detent part 23 of the panel 18 is retained with the retaining part 21 of the frame 19, and the opening 2 is blocked and the panel 18 is installed on the frame 19.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box for electric appliances whose height up to a lid can be changed.

[0002]

2. Description of the Related Art Conventionally, as a box for an electric appliance for mounting an electric appliance mounted on a wiring duct for accommodating an electric wire, which is mounted on a wall of this type, for example, the configurations shown in FIGS. 6 and 7 are known.

That is, a duct main body 32 having a U-shaped cross section, which forms an opening 31 on one surface, is previously attached to a mounting surface such as a wall or a pillar (not shown) by a screw or the like.
Place an electric wire inside and open it so that it opens only at the specified location.
The engagement portion 35 of the lid 34 is engaged with the groove-shaped engagement portion 33 provided on the edge of the opening 31, and a part of the opening 31 is closed and attached. Then, an outlet 38 as an electric appliance is attached to the panel surface 37, the outlet port 40 and the switch are attached to the front surface of the box-shaped box body 39 having an opening 31 on one side, and an electric wire (not shown) is connected to the outlet 38. Locking the locking portion 41 of the same shape as the locking portion 35 of the lid 34 protruding in the wall shape provided on the edge of the box body 39, attaching the box body 39 to the wiring duct 42 and closing the opening 31. There is.

[0004]

However, in the above-mentioned conventional electric appliance box, since the box body 39 is formed in a box shape, when the thickness dimension of the outlet 38 differs due to a difference in voltage, for example. The box body 39
It is necessary to use a deep box body 39 so that it can be accommodated inside, and it is necessary to form a box body 39 having a plurality of shapes for each standard of the outlet 38, which increases the manufacturing cost and complicates parts management. There is a problem that becomes.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a highly versatile electric appliance box which can be applied to electric appliances having different heights.

[0006]

The electric appliance box of the present invention has an opening formed on one surface thereof, and an engaging portion is provided on at least a part of a peripheral edge of the opening, and the engaging portion of the base body for accommodating an electric wire therein. In a box for electric equipment, which has a locking portion to be engaged with, and which has a lid body to close the opening and to which an electric equipment connected to the electric wire is attached, the engaging portion is provided on one end side in the axial direction. And a substantially cylindrical frame body located between the lid body and the base body, which has a locking portion to be engaged with and has an engaging portion having the same shape as the engaging portion on the other end side in the axial direction. It was done.

[0007]

In the electric appliance box of the present invention, the locking portion of the lid is engaged with the engaging portion of the base, and the engaging portion of the frame is locked to the engaging portion of the opening of the base. Depending on the height of the electric appliance, the engaging portion of another frame body is engaged with the engaging portion of the frame body attached to the base body and overlapped to increase the axial height of the frame body,
Since the panel plate is attached to the frame body by engaging the locking part of the panel plate with the engaging part of the frame body, it is only necessary to form the panel plate according to the different size of the electric appliance, and the frame bodies can be stacked appropriately. Can accommodate different electrical equipment dimensions, improve versatility, and reduce costs.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an electric appliance box of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, reference numeral 1 denotes a wiring duct as a base body. The wiring duct 1 closes a part of the opening 2 and a duct main body 3 having a U-shaped cross section having an opening 2 formed on one surface. It is composed of a rectangular plate-shaped closing lid 4.

The duct body 3 is a rectangular flat plate-shaped mounting plate 6 which is mounted on a mounting surface such as a wall or a pillar (not shown) by a mounting member such as a screw, a nail or an adhesive (not shown).
And a wall-shaped wall portion 7 on both side edges in the longitudinal direction of the mounting plate 6 along the both side edges in a substantially vertical direction in the same direction, and is formed in a U-shaped cross section. On the inner surface side near the tip of the wall portion 7, a claw portion 8 is formed to project inward along the tip edge in an L-shaped cross section, and a groove is formed by a gap between the claw portion 8 and the wall portion 7. Engaging portion 9 is formed. Further, a concave portion 10 having a width wider than the width of the opening portion of the engaging portion 9 is formed in the base end portion of the claw portion 8 along the longitudinal direction.

The width of the closing lid 4 is approximately equal to that of the mounting plate 6.
Has a rectangular flat plate-shaped closing portion 12 having substantially the same size as that of the engaging portion 9 of the duct body 3 in the vicinity of both side edges in the longitudinal direction of the closing portion 12 so as to project in a wall shape substantially perpendicular to the same direction. A locking portion 13 for fitting and locking is formed. Further, bulging portions 13a, which are wider than the base end side and engage with the recesses 10 of the bulging engaging portion 9, are intermittently formed at predetermined intervals at the tip portion of the locking portion 13.

Then, the locking portion 13 of the closing lid 4 is engaged with the engaging portion 9 of the duct body 3 so that the opening 2 is formed only at a predetermined position, and wiring for wiring an electric wire (not shown) is provided inside. A space 15 is formed and a closing lid 4 is attached to the duct body 3 so as to close the opening 2.

On the other hand, 17 is a box body for electric appliances,
The box body 17 includes a panel plate 18 as a lid and a frame body.
As shown in FIGS. 1 to 3, the frame body 19 is formed in a substantially rectangular tube shape having a width dimension substantially the same as the width dimension of the mounting plate 6 of the duct body 3, and a pair of opposing frame members 19 are formed. Surfaces 19a, 19a
Like the locking part 13 of the closing lid 4, the locking part extends along the inner edge and protrudes in the axial direction toward the axial direction at one axial end thereof and locks with the engaging part 9 of the duct body 3. The part 20 is formed. Further, at the tip portion of the locking portion 20, like the locking portion 13 of the closing lid 4, the engaging portion 9 bulges inward along the facing direction.
The bulging portion 20a that engages with the recess 10 is intermittently formed. Further, a groove-shaped engaging portion 21 provided with a recess 10 similar to the engaging portion 9 of the duct body 3 is formed at the other ends in the axial direction of the pair of opposed surfaces 19a, 19a.

Further, as shown in FIGS. 1, 2 and 4, the panel plate 18 has a width dimension of the closing lid 4 of the wiring duct 1.
Is formed in the shape of a rectangular flat plate having substantially the same size as that of the closing lid 4, and in the vicinity of both side edges in the longitudinal direction, it projects in a wall shape substantially perpendicular to the same direction and is locked to the engaging portion 9 of the duct body 3. Swelling part 23
A locking portion 23 in which a is provided intermittently is formed. Also,
A rectangular window portion 24 along the longitudinal direction is formed at the substantially center of the panel plate 18. Further, screw holes 26 through which the mounting screws 25 are inserted are formed at both ends of the window portion 24 in the longitudinal direction. Further, on the back surface of the panel plate 18, a reinforcing rib portion 27 for reinforcement and a positioning rib portion 29 for positioning the outlet 28 as an electric appliance are provided in a protruding manner.

And an outlet 28 as an electric appliance
Is connected to an electric wire (not shown) housed in the wiring duct 1, and is attached to the panel plate 18 with a mounting screw 25 inserted into a screw hole 26 of the panel plate 18 so that the outlet port 28a is exposed to the front. ing.

Next, the assembling operation of the above embodiment will be described.

After the mounting plate 6 of the duct main body 3 is mounted on a mounting surface such as a pillar or a wall (not shown) with a mounting member such as a screw, a nail, or an adhesive, an electric wire is laid inside the duct main body 3 to a predetermined position. The locking portion 13 of the closing lid 4 is engaged with the engaging portion 9 of the duct body 3 so as to form the opening 2 only, and the opening 2 of the duct body 3 is closed.

On the other hand, on the panel plate 18 of the box body 17, the outlet 28 as an electric appliance is positioned by the positioning rib portion 29 by exposing the outlet port 28a from the rear surface of the panel plate 18 to the front surface through the window portion 24. , The panel plate 18 is mounted with the mounting screw 25 inserted through the screw hole 26.

Then, the engaging portion 20 of the frame body 19 of the box body 17 is engaged with the engaging portion 9 of the opening 2 of the duct body 3 so that it is positioned between the closing portions 12 of the closing lid 4. The frame 19 is attached to the duct body 3. Next, an electric wire (not shown) wired through the inside of the frame body 19 is pulled out from a portion of the duct body 3 where the opening 2 is formed, and the electric wire is connected to an outlet 28 attached to the panel board 18.

After that, the locking portion 23 of the panel plate 18 is engaged with the engaging portion 21 of the frame body 19, and the opening 2 of the duct body 3 opened through the frame body 19 is closed to close the panel plate 18. Attach to the frame 19.

The size of the outlet 28 is large, and the frame body
If it is thicker than the thickness dimension of 19, as shown in FIG. 5, a plurality of frame bodies 19 are appropriately overlapped.

Therefore, according to the above-described embodiment, the engaging portion 9 of the duct body 3 and the engaging portion 21 of the frame body 19 have the same shape, and the engaging portion 20 of the frame body 19 and the closing lid body 4 are the same. The engaging portion 13 of the panel and the engaging portion 23 of the panel plate 18 have the same shape, and the engaging portions 9 and 21 and the engaging portions 13, 20 and 23 can engage with each other, so that the outlet 28 and the switch Panel boards with different window 24 shapes according to different dimensions, even for electrical appliances with different dimensions and shapes
Only by forming 18, the thickness dimension of the electric appliance can be accommodated by connecting the frame body 19 continuously, and the box body according to different dimensions
Since it is not necessary to form 17, the versatility can be improved and the cost can be reduced.

In the above embodiment, the engaging portions 9, 21
It has been described that it is formed in the shape of a groove and the engaging portions 13, 20, 23 are formed in the shape of a wall, but the engaging portions 9, 21 are formed in the shape of a wall and the engaging portions 13, 20, 23 are formed in the shape of a groove. The same effect can be obtained with the one formed as described above.

Further, the box body 17 including the frame body 19 and the flat panel plate 18 is attached to the wiring duct 1 for explanation, but the panel plate and the frame as the lid body formed in the box shape of the same shape as the conventional one. It can also be attached as a box body by combining with the body 19. By using this conventional box body as a panel plate, the conventional box body and manufacturing equipment such as molds can be used as they are without being discarded.

[0025]

According to the electric appliance box of the present invention,
Lock the locking part of the frame to the engaging part of the opening of the base,
If necessary, the engaging portion of another frame is engaged with the engaging portion of the frame attached to the base so as to overlap with each other, and the engaging portion of the lid attached with the electric appliance is engaged with the engaging portion of the frame. Since the lid body is attached to the frame body by engaging with, it is possible to improve the versatility by simply forming the lid body according to the different dimensions of the electric appliance, and by appropriately overlapping the frame bodies to accommodate different dimensions of the electric appliance. The cost can be reduced.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an electric appliance box according to an embodiment of the present invention.

FIG. 2 is a front view with a part thereof cut away.

FIG. 3 is a rear perspective view showing the same panel plate.

FIG. 4 is a perspective view showing the upper frame body.

FIG. 5 is a perspective view for explaining a construction situation showing another embodiment of the present invention.

FIG. 6 is an exploded perspective view showing a conventional electrical equipment box.

FIG. 7 is a perspective view showing a construction state of the above.

[Explanation of symbols]

 1 Wiring duct as a base 2 Opening 9,21 Engaging part 13, 20, 23 Locking part 17 Box body 18 Panel plate as a lid 19 Frame body 28 Outlet as an electric appliance

Claims (1)

[Claims] 1. An opening is formed on one surface, and an engaging portion is provided on at least a part of a peripheral edge of the opening, and the engaging portion engages with the engaging portion of a base body for accommodating an electric wire therein. An electric appliance box including a lid for mounting an electric appliance that closes an opening and is connected to the electric wire, having a locking portion that is engaged with the engaging portion on one end side in an axial direction, and the shaft. An electric appliance box, comprising a substantially cylindrical frame body having an engaging portion having the same shape as the engaging portion on the other end side in the direction and located between the lid body and the base body.