JP2002151857A - Apparatus-housing box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a worker to alone easily mount a panel on a box body, even if it has already been mounted on a wall. SOLUTION: Panel-fixing pieces 2, provided on a box body bottom for tightly screwing upper side right and left ends of a panel 3, are disposed so as to contact an upper plate 9 of the panel 3, holes 8 are provided at contact parts thereof and protrusions 6 to be locked to the holes 8 are provided at corresponding positions on the upper plate 9 of the panel 3, so that the panel 3 disposed at a specified position in a box body 1 can be held by the locking action of the holes 8 with the protrusions 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an equipment storage box having a structure in which a panel is provided in an equipment storage box and the equipment is mounted on the panel, and more particularly to an improvement in a panel mounting structure.

[0002]

2. Description of the Related Art A panel installed in a box main body for mounting a device such as a circuit breaker, a device control switch, or a timer in a device storage box is conventionally a perspective view of a main part of FIG. As shown in the vertical section of the device storage box in FIG. 6B, the panel fixing piece 12 having the contact surface 12a provided with the female screw 13 on the box body 11 side is positioned at least at four corners of the panel. Screw holes 14 are drilled at four corners and the like of the panel 15 corresponding to the fixing pieces 12, and small screws 16 are inserted from the front of the panel and screwed into the panel fixing pieces 12 to fix the panel 15. I was This can be easily done with a screwdriver, which is a general-purpose tool, and only the head of the small screw 16 is exposed on the panel surface, and the projections are small and do not damage the wires and the like. It was widely adopted.

[0003]

However, when the box body 11 to which the panel 15 is attached is installed on a wall or the like,
When the panel 15 is mounted, screwing work must be performed while holding the panel 15 so that the panel 15 does not come off and the mounting position does not shift. In particular, when a large number of devices are mounted on the panel 15, the panel 15 becomes heavy and the weight balance is deteriorated. Therefore, an operator who holds the panel 15 is required in addition to the operator who performs the screw tightening work. The work was cumbersome. In view of the above problems, an object of the present invention is to provide a device storage box in which a worker can easily mount a panel alone even when the device storage box is mounted on a wall. And

[0004]

In order to solve the above-mentioned problems, a first aspect of the present invention is to provide a panel fixing piece having a female screw at an end of a panel mounting portion of an equipment storage box, and a position corresponding to the female screw of the panel. With screw insertion holes,
A device storage box in which a panel is screwed and fixed to the device storage box through the screw insertion hole, and a device is mounted and stored in the panel, wherein the panel is at least at an end near the panel fixing piece, Equipped with side plates formed by bending backwards,
The panel fixing piece is capable of abutting on both the side plate and the panel back surface, and at least at the abutting portion of the panel fixing piece and the side plate fixing the upper end of the panel, a locking means for locking each other is provided, The panel arranged at a predetermined position of the equipment storage box can be held by the locking action of the locking means.

According to a second aspect of the present invention, in the first aspect of the present invention, the locking means is a projection provided on the panel fixing piece and a hole provided on the side plate.

[0006]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a panel mounting portion of a device storage box which is a main part of the present invention, and shows an enlarged perspective view of an upper end portion of the panel. In the figure, reference numeral 2 denotes a panel fixing piece fixed to the bottom of the box main body of the equipment storage box, 3 denotes a panel, and 4 denotes a screw for fixing the panel.

[0007] The panel fixing piece 2 is formed by bending a single metal plate into a convex shape, and the central protruding portion is formed on the panel contact surface 2.
b, and fixing pieces 2 for fixing to the left and right sides of the box body 1.
a is formed. A female screw 5 is provided on the panel contact surface 2b, and a semicircular protrusion 6 is formed at the end of a rising side 2c formed on the left and right of the panel contact surface 2b toward the side of the panel contact surface. It is formed.

[0008] The panel fixing pieces 2 are fixed to two places at the upper left and right ends of the panel when the box body 1 is mounted on the wall surface. At this time, the projection 6 is fixed so as to be arranged upward. Panel fixing pieces are also provided at two places on the left and right of the lower end of the panel (not shown), but those without projections are fixed to the panel fixing pieces other than the upper end.
The installation positions of the panel fixing pieces are not limited to the four corners of the panel, but may be installed at other than the four corners according to the size of the panel. Further, the panel fixing piece may be fixed to the box body by welding or screwing.

The panel 3 is made of a substantially square metal plate.
Side plates 3 formed by bending back at a constant width on the four sides
a. When the panel 3 is arranged at a predetermined position on the box body 1, a screw insertion hole 7 is formed at a position corresponding to the female screw 5 of the panel fixing piece 2, and the upper plate 9 formed on the upper side of the panel among the side plates 3a. Panel fixing piece 2 to be the end
A hole 8 is formed at a contact position, more precisely, at a position corresponding to the projection 6 of the panel fixing piece 2. The holes 8 are for fitting and holding the projections 6 for positioning and holding when the panel 3 is arranged.

Here, the side plate 3a is shortened by notching the end portion, and the hole 8 is formed so that only one of the projections 6 provided on the left and right is locked.
a may be extended so as to be engaged with both projections 6. Note that the side plate 3a may be formed only at a portion that comes into contact with the panel fixing piece 2 without being provided in the entire area around the panel 3, but it is useful to increase the panel strength when provided in the entire area around the four sides. In addition, the projection 6 has at least one projection on one panel fixing piece.
It may be provided.

As described above, the projections 6 are provided on the panel fixing piece 2 as the locking means, and the holes 8 are provided on the upper plate 9, so that the panel 3 is maintained at a predetermined position in the equipment storage box. Therefore, the temporary fixing state can be maintained. Therefore, separate temporary fixing work is not required. Therefore, the panel placement operation and the mounting operation, that is, the screwing operation can be easily performed by one operator. Further, when the panel 3 is removed, the panel does not fall without holding the panel 3, and the projection 6 is formed in the hole 8.
Since the temporary fixing mechanism is formed with a simple configuration in which the tentative fitting is fitted, the configuration can be made inexpensively.

FIG. 2 shows a procedure for mounting the panel. First, as shown in FIG. 2A, the upper plate 9 of the panel 3 is placed on two panel fixing pieces 2 provided on the left and right of the upper part of the bottom plate of the box body 1 as shown in FIG. At the time of this mounting operation, as shown in FIG. 2 (b), the holes 8 provided in the side plate 3a are engaged with the projections 6 of the panel fixing piece 2, and the projections 6 are fitted into the holes 8 to mount the panel 3. Lock and hold. By this operation, even if the operator does not keep holding the panel 3, as shown in FIG. 2 (c), the panel 3 is temporarily fixed, and this state can be maintained. Then, as shown in FIG. 2D, the screw 4 is inserted from the front through the screw insertion hole 7 of the panel into the panel fixing piece 2.
Then, the panel 3 is screwed and fixed to the box body 1.

As described above, the panel can be temporarily fixed only by arranging and operating the panel 3 at a predetermined position and mounting the side plate 3a on the upper panel fixing piece 2. Further, even when the device is mounted on the panel 3, the holes 8 and the projections 6 are fitted to each other, so that the temporarily fixed state can be maintained. The mounting operation can be easily performed.

The projection 6 does not need to be semicircular, but may have another shape, for example, a triangle as shown in FIG. 3, in which case the corresponding hole shape may be, for example, a square as shown. However, the hole 8 may be a concave portion instead of a through hole. Further, as shown in the perspective view of the upper end portion of the panel in FIG. 4, the panel fixing piece 2 is provided with a hole 8 of one locking means, and the upper plate 9 of the panel 3 is engaged with the other locking means engaged with the hole. The projections 6 may be formed by bending, and the arrangement of the locking means may be provided in reverse to the above-described embodiment, and even with such a shape, the panel can be temporarily fixed by the same arrangement operation.

FIG. 5 is an explanatory longitudinal sectional view of an equipment storage box showing another embodiment of the present invention. A panel fixing piece 2 is provided at four corners of a panel, and all panel fixing pieces having projections are used. ing. The panel fixing piece 2 for fixing the lower end of the panel 3 has a projection 6 provided downward. Then, the distance A between the upper and lower protrusions 6 is set to the upper plate 9 and the lower plate 3a of the panel 3.
It is slightly smaller than the inner dimension B between them. in this way,
By providing the mounting position of the panel fixing piece 2 for fixing the lower part of the panel at a position where play is provided from the lower end of the panel,
Even if the panel fixing piece 2 provided with the projection 6 is used at the lower end,
The panel can be easily mounted without interfering with the mounting operation of the panel, and the temporary fixing state can be formed similarly to the above embodiment. By doing so, only one type of panel fixing piece can be attached, the types of members can be reduced, and there is no need to worry about the top and bottom of the box during the manufacturing process and the box mounting work.

[0016]

As described in detail above, according to the first aspect of the present invention, the panel can be immediately temporarily fixed in a state where the panel is arranged at a predetermined position of the equipment storage box. unnecessary. Therefore, the panel arrangement work and the mounting work, that is, the screwing work can be easily performed by one worker. Further, when removing the panel, the panel does not fall without holding the panel, and the burden on the operator is small.

According to the invention of claim 2, in addition to the effect of claim 1, the locking operation is easy and the locking means can be formed at low cost.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a device storage box showing an example of an embodiment of the present invention.

FIG. 2 is a diagram illustrating a procedure for mounting the panel of FIG. 1;

FIG. 3 is a perspective view of a main part showing another example of a panel mounting portion.

FIG. 4 is a perspective view of a main part showing another example of a panel mounting portion.

FIG. 5 is an explanatory longitudinal sectional view of an equipment storage box showing another embodiment of the present invention.

6A and 6B show a conventional device storage box, in which FIG. 6A is a perspective view of a panel mounting portion, and FIG. 6B is an explanatory longitudinal sectional view showing a state of a panel attaching / detaching operation.

[Explanation of symbols]

1. Box body, 2. Panel fixing piece, 2a.
2b · · · panel contact surface, 2c · · · rising edge, 3 · · ·
Panel, 3a side plate, 4 screws, 5 female screws, 6
..Protrusion, 7 ... Screw insertion hole, 8 ... Hole, 9 ... Top plate.

Claims (2)

[Claims] 1. A panel fixing piece having a female screw is protrudedly contacted with an end of a panel mounting portion of an equipment storage box, and a screw insertion hole is provided at a position corresponding to the female screw of the panel, and the panel is stored through the screw insertion hole. A device storage box fixed to a box by screwing and mounting a device on the panel to store therein, wherein the panel includes a side plate formed by bending backward at least at an end near the panel fixing piece, The panel fixing piece is capable of abutting on both the side plate and the panel back surface, and at least at the abutting portion of the panel fixing piece and the side plate fixing the upper end of the panel, a locking means for locking each other is provided, A device storage box characterized in that a panel arranged at a predetermined position of the device storage box can be held by a locking action of the locking means. 2. The equipment storage box according to claim 1, wherein the locking means is a projection provided on the panel fixing piece and a hole provided on the side plate.