JPH05176423A - Box for control panel - Google Patents

Abstract

PURPOSE:To see that it can cope with many specifications with few kinds by obviating the necessity to enlarge the cut area of a metallic plate, and obviating the necessity to make it by welding an operation part. CONSTITUTION:A box 1, the front of which opens, is made by bending metallic plates and assembling them. An operation part 2 for control and operation is made by bending metallic plates and assembling them. The operation part 2 is attached to the topside of the box 1. For metallic plates for making the box 1 and the operation part 2 as separate bodies, the curt areas get off small. Since the box 1 and the operation part 2 are made by bending and assembling the metallic plates, the operation part 2 can be attached to the box 1 by screwing of a bolt and a nut or the like. By the combination of the boxes 1 and the operation parts 2, many specifications of boxes for control panels can be made.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control panel box for housing control equipment such as switches, breakers and relays.

[0002]

2. Description of the Related Art As a control panel box A for accommodating control equipment such as switches and breakers, one as shown in FIG. 11 is used. This control panel box A is formed by providing an operation section 2 for control operation on the top surface of the box body 1 and opening the front surface thereof, as shown in FIG. 12 (a) or FIG. 12 (b). It can be created by assembling the metal plate 10 cut as described above.

That is, the back plate piece 1 is shown in FIG.
0a, the side plate piece 10b, the bottom plate piece 10c, and the operating portion piece 10d are provided to cut the metal plate 10, and the metal plate 10 is shown by a chain line.
Each of the pieces is bent to be assembled into the control panel box A. In FIG. 12B, the back plate piece 10a and the side plate piece 10b are provided to cut the metal plate 10, and the operation plate 11 and the bottom plate 1 are provided separately from the metal plate 10.
2 is cut, each piece of the metal plate 10 is bent along the line shown by the chain line, and the operation part plate 11 and the bottom plate 12 are welded to each of them to be assembled into the control panel box A. Is.

[0004]

However, in the case of FIG. 12 (a), since the cutting cross-sectional area of the metal plate 10 becomes large, it becomes difficult to obtain a material that can be cut into a plate, and material loss during cutting occurs. There is a problem that it becomes large and a large press machine at the corner is required for bending,
Further, since the operating section 2 is formed integrally with the box main body 1 in this case, it is necessary to prepare many kinds of control panel boxes with different specifications of the operating section 2 and the box main body 1. There was a problem with the inventory. See also FIG.
In the case of (b), since the operation part 2 is provided with the operation part 2 for control operation by welding the operation part plate 11,
There is a problem that the dimensional accuracy of the operation part 2 is difficult to obtain and the welding part needs to be finished, resulting in an increase in the number of assembling steps.

The present invention has been made in view of the above points, and it is not necessary to increase the cutting cross-sectional area of the metal plate, and it is not necessary to weld and form the operating portion, and there are few types and many specifications. It is an object of the present invention to provide a control panel box body that can handle the above.

[0006]

A box body for a control panel according to the present invention is formed by bending a metal plate 6 and assembling it to form a box body 1 having a front opening, and bending a metal plate 7. It is characterized in that the operating portion 2 for control operation is created by assembling and the operating portion 2 is attached to the upper surface of the box body 1.

[0007]

Since the box body 1 and the operating section 2 are formed as separate bodies, the metal plates 6 and 7 need only have a small cutting cross-sectional area, and the box body 1 and the operating section 2 are made of the metal plate. Since 6 and 7 are formed by bending and assembling, the operation portion 2 can be attached to the box body 1 by bolt nut fastening or the like, and welding is unnecessary.
Since the box body 1 and the operation section 2 are separate bodies, a combination of the box body 1 and the operation section 2 can form a control panel box body of various specifications.

[0008]

EXAMPLES The present invention will be described in detail below with reference to examples. Figure 3
(A) thru | or (d) show each member used as the material of the box A for control boards which concerns on this invention, and it each produced with the metal plates, such as a steel plate (in a figure, a broken line shows a bending line). ). FIG. 3 (b) shows a metal plate 6 for assembling the box body 1, which has side plate pieces 6b on both sides of the back plate piece 6a.
By cutting the metal plate 6 along the chain line, it is possible to assemble the box body 1 with the front face opened as shown in FIG. A cross rail 13 shown in FIG. 3C is attached to the upper end of the front surface of the box body 1 so as to form an upper surface opening 14 on the upper surface of the box body 1. Bottom plate 12 on the bottom
Is attached. The horizontal rails 13 and the bottom plate 12 can be attached to the box body 1 by any means such as screwing or welding. FIG. 3 (a) shows a metal plate 7 for assembling the operating portion 2, which is cut into a shape in which a top surface piece 7b, a back surface piece 7c, and a side surface piece 7d are extended around a bottom surface piece 7a. The operation portion 2 as shown in FIG. 2 can be assembled by bending the metal plate 7 along the chain line. A bottom surface opening 15 is formed in the bottom surface piece 7a, and the bottom surface of the operation portion 2 is open.

The box body 1 produced as described above
The control panel box A as shown in FIG. 1 can be assembled by mounting the operation unit 2 on the upper surface of the box and attaching it to the front opening of the box body 1 so that the door 18 can be opened and closed. Here, as shown in FIG. 2, the through hole 1 is formed in the flange portion 6c at the upper edge of the box body 1 and the bottom surface piece 7a of the operation portion 2.
6a and 16b are provided, and the through holes 16a and 16b are formed.
Box body 1 by tightening bolts and nuts through
The operation portion 2 can be fixed to the upper surface of the. The operation part 2 can be fixed to the box body 1 by means of bolts and nuts as described above, or by means of fitting or the like. In the control panel box A thus assembled and formed, the operation buttons 17 and the like are attached to the upper surface piece 7b on the upper surface of the operation section 2, and the control panel is housed in the box body 1. The equipment can be operated. Further, since the top surface opening 14 is formed on the top surface of the box body 1 and the bottom surface opening 15 is formed on the bottom surface of the operation part 2, the control device in the box body 1 and the operation button 17 of the operation part 2 and the like. The wiring between them can be easily made through both the openings 14 and 15.

However, the box A for the control panel is constructed as described above.
When assembling the box body 1, the box body 1 and the operating portion 2 are formed as separate bodies.
The metal plates 6 and 7 for making the operation part 2 and the operation part 2 each have a small cutting cross-sectional area, which makes it easy to obtain a material that can be cut into a plate, eliminates the restriction of the material, and reduces the material loss during cutting. Also, bending work can be done with a small press machine at the corner. Further, since the box body 1 and the operation part 2 are made by bending and assembling the metal plates 6 and 7, the operation part 2 can be attached to the box body 1 with bolts and nuts or the like. Therefore, it is not necessary to weld the operating portion 2 to form the operating portion 2, and it is difficult to obtain the dimensional accuracy of the operating portion 2, and it is not necessary to finish the welding portion to increase the number of assembling steps. .. In addition, the box body 1
Since the operation unit 2 and the operation unit 2 are separate bodies, a plurality of types of the box body 1 and the operation unit 2 are manufactured, so that a combination of the two forms a control panel box body having a large number of specifications. It is possible to handle many specifications with a small number of types and reduce the inventory.

FIG. 4 shows another embodiment of the present invention. In this embodiment, an opening 19 is provided in an upper surface piece 7b on the upper surface of the operation portion 2, and the operation panel 3 is attached to the opening 19. There is. In this case, if the operation panel 3 to be attached to the operation unit 2 is made of a single piece, holes for attaching operation buttons 17 and the like to be used corresponding to various control circuits of the control equipment housed in the control panel box A are provided for each specification. Therefore, it is difficult to standardize the hole processing of the operation panel 3. Therefore, in the embodiment of FIG. 4, the operation panel 3 is divided into various control circuits, and a control panel box A is formed.
Operation panels 3a, 3 according to the control equipment housed in
A combination of b and 3c is attached to the operation unit 2. Each of the operation panels 3a, 3b, 3c is made to correspond to a control circuit or the like of a specific control device. Therefore, the holes for attaching the operation buttons 17 and the like can be standardized, and each operation panel 3a, The combination of 3b and 3c makes it possible to deal with various specifications and reduce inventory. Further, a locking plate 20 is attached to the lower surface of the peripheral edge of the opening 19 of the operation portion 2, and the operation panel 3 is opened with the locking plate 20 locked as shown in FIG. 5A. The operation panel 3 can be mounted by being fitted therein, so that the end face of the operation panel 3 is not exposed and the appearance can be enhanced. In FIG. 4, 21 is an intermediate plate attached to the inside of the box body 1, 22 is a ground terminal, 23 is a fan motor mounting hole, 24 is a dust removing hole, and 25 is a wiring hole.
Further, in the embodiment shown in FIG. 1, the door is formed as a double-opened door, whereas in the embodiment shown in FIG. 4, it is formed as a single-opened door. The front end edge of the operation portion 2 is projected from the front surface of the box body 1, and the door 18 is controlled by this protruding portion.

When the operation panel 3 is attached to the operation portion 2 of the control panel box A, screws such as screws can be used. However, in order to eliminate troublesome screw tightening work, It is also possible to attach the operation panel 3 by the locking means as in 6. That is, as shown in FIG. 7A, the locking projection 5 bent in an L shape is provided on the end edge of the operation panel 3 so as to project therefrom.
As shown in FIG. 7B, the oblong locking hole 4 is provided on the upper surface of the operation portion 2, and the locking projection 5 is locked in the locking hole 4 as shown by the arrow in FIG. 7A.
The operation panel 3 can be attached to the operation portion 2 by the locking means by inserting the plug into the panel and sliding it to lock it. Further, as shown in FIG. 8, the operation panel 3 can be attached by the locking means. That is, as shown in FIG. 9A, the locking projection 5 having the locking projection 5a at the lower end is provided on the lower surface of the edge of the operation panel 3 so as to project, and as shown in FIG. 2 is provided with a Dharma hole-shaped locking hole 4, and the locking projection 5 is inserted into the locking hole 4 as shown by the arrow in FIG. 9A and then slid to lock the locking projection 5a. The operation panel 3 can be attached to the operation portion 2 by the engagement means by engaging with the small hole portion 4a of the hole 4. By attaching the operation panel 3 by the locking means in this manner, it is possible to easily remove the operation panel 3 from the operation unit 2 and replace it with another one.

Further, as shown in FIG. 4, a box A for the control panel is used.
A hinge 26 is attached to one side surface of the box body 1. The hinge 26 is formed by rotatably pivotally attaching the movable plate 26a and the fixed plate 26b, and is attached by fixing the movable plate 26a to the side surface of the box body 1 by welding or the like. The hinge 26 is attached to one of the left and right side surfaces of the box body 1, and a caster 27 having a height adjustable on the lower surface of the box body 1 at a position near the end opposite to the side where the hinge 26 is attached. Is Figure 5
It is attached as shown in (b). Then, as shown in FIG. 10, the control panel box A is attached by fixing the fixing plate 26b of the hinge 26 to the machine body 28 such as the frame of the machine to be controlled. The load is also supported on the floor by the casters 27. In this case, the control panel box A can be rotated in the direction of the arrow in FIG. 10 about the hinge 26 as the center of rotation. In this way, since the casters 27 travel on the floor when the control panel box A is rotated, the rotation operation can be performed smoothly. When the control panel box A is rotated in this manner, the machine body 28 at the portion hidden by the control panel box A can be opened, and the machine body 28 can be opened.
Maintenance of the control panel is facilitated, and a part of the machine body 28 is not hidden by the control panel box A. The constraint of is small. The control panel box body A is rotatably attached to the machine body 28 in this manner, as in the present invention, in which the box body 1 and the operating portion 2 are formed as separate structures. The present invention is not limited to this, and can be applied to the control panel box body that has been provided conventionally.

[0014]

As described above, according to the present invention, a box body having an opening on the front surface is created by bending and assembling a metal plate, and an operating portion for control operation is provided by bending and assembling the metal plate. Since it was created and the operating part was attached to the upper surface of the box body, the box body and the operating part are formed as separate bodies, and the metal plate for creating these requires a small cutting area. Also, the box body and the operating part are made by bending and assembling metal plates, so it is possible to attach the operating part to the box body with bolts and nuts, and weld the operating part. Is unnecessary.
Further, since the box main body and the operation unit are separate bodies in this way, it is possible to form a control panel box body of many specifications by combining the box main body and the operation unit.

Further, since the operation panel is attached to the upper surface of the operation section and the operation panel is divided into a plurality of parts, each operation panel is made to correspond to a control circuit of a specific control device. It is possible to standardize and to deal with various specifications by combining each operation panel. In addition, a locking hole is provided on the upper surface of the operation part, and a locking protrusion protruding from the lower surface of the operation panel is inserted and locked into the locking hole to attach the operation part to the upper surface of the box body. The operation panel can be attached to the operation section by the locking means without requiring any operation, and it becomes easy to attach the operation panel to the operation section or remove the operation panel and replace it with another one. is there.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, in which (a) is a perspective view and (b) is a side view.

FIG. 2 is an exploded perspective view of the same as above (the operation portion is turned upside down).

3A and 3B are views showing respective members of the same, wherein FIG. 3A is a developed front view of an operation unit, FIG. 3B is a developed front view of a box body, and FIG.
Is a developed front view of a horizontal rail, and (d) is a front view of a bottom plate.

FIG. 4 is an exploded perspective view of another embodiment of the present invention.

FIG. 5 shows a part of the above, (a), (b)
FIG. 3 is a partially enlarged sectional view of each.

FIG. 6 is an exploded perspective view of a portion of another embodiment of the above.

7A and 7B show a part of the same embodiment, FIG. 7A is an exploded sectional view of an operation unit and an operation panel, and FIG. 7B is a plan view of a part of the operation unit.

FIG. 8 is a partial exploded perspective view of still another embodiment of the same.

9A and 9B are views showing a part of the embodiment, in which FIG. 9A is an exploded sectional view of an operation unit and an operation panel, and FIG. 9B is a plan view of a part of the operation unit.

FIG. 10 is a perspective view showing a mounted state of a control panel box body.

FIG. 11 is a perspective view of a conventional example.

FIG. 12 is a view showing a conventional example, in which (a) is a developed front view and (b) is a developed exploded front view.

[Explanation of symbols]

 1 Box main body 2 Operation part 3 Operation panel 4 Locking hole 5 Locking protrusion 6 Metal plate 7 Metal plate

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shoji Miura 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Yoshihiro Matsuda, 1048, Kadoma, Kadoma City, Osaka Matsushita Electric Works Co., Ltd. (72) Inventor Taishi Fuchida 1048 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Mitsutaka Abe, 1048 Kadoma, Kadoma City, Osaka Matsushita Electric Works Co., Ltd. (72) Inventor Takahiro Fujimoto Matsuda Electric Works Co., Ltd. 1048, Kadoma, Kadoma, Osaka Prefecture (72) Inventor Shoichi Koyama 1048, Kadoma, Kadoma, Osaka

Claims (3)

[Claims] 1. A box main body having an opening on the front side is created by bending and assembling a metal plate, and an operation unit for control operation is created by bending and assembling the metal plate, and is formed on the upper surface of the box main body. A box for a control panel, which is characterized in that an operating section is attached. 2. The control panel box body according to claim 1, wherein the operation panel is attached to the upper surface of the operation section, and the operation panel is divided into a plurality of parts. 3. A lock hole is provided on the upper surface of the operation part, and a lock protrusion protruding from the bottom surface of the operation panel is inserted and locked in the lock hole to mount the operation part on the upper surface of the box body. The control panel box body according to claim 2.