JP4868320B2 - Electrical equipment storage box device - Google Patents

Description

  The present invention relates to an electrical equipment storage box device for a distribution board or a control board including a breaker, an electrical equipment, an electronic equipment, and the like.

Conventionally, distribution boards and control panels that incorporate earth leakage circuit breakers, wiring breakers, current limiters, control relays, control units, etc., are known. In general, there are many cases in which a flat substrate on which electric devices are mounted on a flat surface is attached to the inside of the box, and the box is formed by closing the open / close lid. By the way, recently, there are terminal blocks, AD converters, relays, control boards for external devices, etc. in the box to connect AC input and DC output electric wires. Installation of overhanging electrical equipment may be necessary. For this reason, mounting is not completed by connecting the wiring at the time of mounting or screwing to the board side only from one side to complete the final mounting. For this reason, it is necessary to devise such that the two boards are mounted in a state of being separated from each other and back-to-back, and wiring between them is performed. For this reason, the wiring connection work between these substrate surfaces is complicated and takes time, and there is a problem that a connection error tends to occur. In addition, the apparatus is large and the manufacturing cost is high. On the other hand, in patent document 1, the proposal about the box for electric equipment accommodation is made.
JP 2000-152430 A

  In the above-mentioned Patent Document 1, a plate frame is constructed by screwing the side plate and the top plate or the folding formation surfaces of the side plate and the bottom plate so as to overlap each other. The purpose of this is to obtain advantages such as reduction in the number of parts and storage by fixing these screws only with the bent surface. However, even in the box body of Patent Document 1, mounting of electrical components is only on the surface side of the back plate 4 and cannot support mounting of various electric devices in recent times. In addition, mounting parts with large projecting bulk increases the size and costs, and furthermore, it is not possible to smoothly check the wiring between terminals and correct the wiring to confirm the connection during mounting. was there.

  The present invention has been made in view of the above-described conventional problems, and one object of the present invention is that it can be accommodated in a box corresponding to mounting electric parts having various protruding volumes by a very simple configuration, and is compared. It is an object of the present invention to provide an electrical equipment storage box device and an electrical equipment storage box assembly method that are small in size and low in cost and that can be finally mounted in a short time and accurately on the mounting board of the electrical equipment.

In order to achieve the above object, the present invention includes a front plate 22, a back plate 24, left and right side plates 26, 28, and a top plate 30 each formed of a rectangular flat plate , each of which is made up of separate members. is fixed an electrical equipment storage box apparatus which is the assembly formed into a box shape, disposed linked mounted upright on their side plates and H-shaped in plan view in the width direction in the central position of each of the side plates 26, 28 It is a board, and it has folding pieces for mounting formed by bending four sides of the frame plate main body into an L shape so as to be fixed to the flat plate inner surfaces of both side plates 26 and 28, and is provided on the frame plate main body. A mounting board 50 with electrical equipment attached in a state of passing through the through-opening 83 is provided. At the lower end of each side plate 26, 28, the side plate A base piece 60 extending the required height from the lower end, 2 was attached, and when the final mounting work including setting, testing and wiring of the electrical equipment mounted on the mounting board was performed, the mounting board 50 and the side plates 26 and 28 were assembled in an H-shape and became independent. It is comprised from the electric equipment storage box apparatus 10 characterized by having the H-shaped assembly | attachment aspect performed in a state .

  At this time, the lower ends of the front plate 22 and the back plate 24 facing the mounting board 50 are set to be shorter than the lower ends of both side plates, and a through-hole opening 150 is formed between the mounting surface L of the apparatus. .

  According to the electrical equipment storage box device of the present invention, each of the square front plate, the back plate, the left and right side plates, and the top plate is made of separate members and fixed by screws, and is assembled and formed into a box shape. It is an equipment storage box device, and has a mounting board for electrical equipment in which both side plates are arranged and connected in an H shape in plan view at the intermediate position in the width direction of each side plate and both ends abut on each side plate, The mounting board has a bent piece for mounting bent at least at both ends, and a screw fixing hole array for fixing screws from the outside vertically on both side plates, with which the bent piece for mounting of the inner mounting board abuts. Therefore, it is necessary to secure sufficient space on both sides of the mounting panel for electrical equipment with a large protruding amount and overhanging height, and for electrical equipment that can be mounted only in the form of a mounting frame. Not only can it be implemented Since the mounting can be completed in a state where both side plates of the box and the mounting board that also functions as an intermediate connecting plate are assembled in an H shape, the device can be opened with the top surface, front surface, and back surface open. As a result of mounting, wiring connection, checking, etc., even if it is a fine fingertip work and work on a narrow part, it eliminates incorrect connection and improves wiring accuracy, greatly reducing the assembly work time , Can reduce the overall work cost.

In addition, the lower end of each of the front plate and the back plate facing the mounting board is set shorter than the lower ends of the both side plates so that a through hole opening is formed between the mounting surface of the device and the external device. the routing of the wiring smoothly carried out, contribute to the facilitation of the wiring work.

  Further, according to the method for assembling the electrical equipment storage box of the present invention, the box body formed by fixing each of the square front plate, the back plate, the left and right side plates, and the top plate made of separate members. When assembling the electrical equipment storage box with the electrical equipment mounting board installed thereon, the electrical equipment mounting board having a bent piece for mounting, and the side plates and the H shape in plan view at the intermediate position in the width direction of each side plate And placing the mounting board in a standing state, screwing the mounting bending pieces from the outside of both side plates in that state and screwing them, and completing mounting on the mounting board in that state Since the mounting can be completed in a state where both side plates of the box and the mounting board that also functions as an intermediate connecting plate are assembled in an H shape, the top surface, the front surface, and the back surface 3 continuous surfaces open As a result of equipment installation, wiring connection, check, etc., even with fine fingertip work and work on narrow parts, it eliminates erroneous connections and improves wiring accuracy, greatly increasing the assembly work time It can be shortened and the overall work cost can be reduced. In addition, not only can electrical equipment with large protrusions and overhanging heights, and electrical equipment that can be mounted only in a penetrating manner with a sufficient amount of space on both sides of the mounting board, can be mounted specifically. Mounting can be completed with the mounting plate that also functions as an intermediate connecting plate in the shape of both sides of the body, so that the device can be mounted with the top, front and back surfaces open. As a result of performing wiring connection, checking, etc., even with fine fingertip work and work on narrow parts, it eliminates misconnection and improves wiring accuracy, greatly reducing assembly work time, Overall work cost can be reduced.

  The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. 1 to 9 show an embodiment of an electrical equipment storage box device 10 of the present invention. In FIGS. 1 and 3, the electrical equipment storage box device 10 is a quadrilateral made of metal and made of separate members. The front plate 22, the back plate 24, the left and right side plates 26 and 28, and the top plate 30 include a storage box 11 for an electrical device that is finally assembled and formed in a box shape. Assembled in conjunction with. You may attach a baseplate to a box as needed. The electrical equipment storage box device 10 is a storage box device incorporating an electrical device such as a control panel including a distribution board, a relay, and an electromagnetic contactor provided with an overcurrent protector and a branch switch. Then, it is assembled and fixed by screws from the outside of the plate constituting the box.

In the present embodiment, the front plate 22 and the back plate 24 are each composed of only a vertically long rectangular plate, each having three screw holes 22a1 and 22a2 at the center along the upper side, and three screw holes 22a1 and 22a2 (see FIG. 22a3 (not shown ) , 22b1, 22b2, 22b3, 22c1, 24a1, 24a2, 24a3, 24b1, 24b2, 24b3, 24c1 are perforated. The fixing screws 100 are screwed through these screw holes, and are connected and fixed to the side plates 26 and 28 and the top plate 30 that are connected in a perpendicular direction. These front and back plates 22 and 24 and the top plate 30 are screw-fixed in the final assembly process of the box 11, and are attached to the side plate of the mounting board, which will be described later, and the final wiring between the electric devices and the check process thereof. Cannot be installed.

  Further, in FIG. 3, both side plates 26 and 28 are rectangular plates whose length in the height direction is longer than that of the front plate or the back plate, and the lower ends are integrally bent outwardly from the respective side plate bodies in an L shape. The long and slender base pieces 60 and 62 are formed to provide stability assistance when placing the plates upright. Further, from both sides of both side plates 26, 28, vertically long connecting bending pieces 64, 66 bent in an L shape inward from the side plate main body are formed. Screw holes 64 a 1, 64 a 2, 64 a 3, 66 a 1, 66 a 2, 66 a 3 are drilled in the connecting bent pieces 64, 66 near the upper and lower ends and in the middle position. The top plate 30 is formed with four horizontally long connecting bending pieces 68 that are bent in an L shape integrally with the top plate body from the four sides of the substantially square plate to the lower side. Screw holes 68a are formed in the bending piece 68 at both ends and in the center position.

  What is characteristic in the present invention is that the both side plates constituting the box 11 have a right angle direction in a plan view, that is, an intermediate position in the width W direction of both side plates, preferably a center position, or The mounting board 50 is attached in the vicinity of the midpoint position, and these are fixed by screws from the outside. The mounting board 50 is erected in the same manner as the both side plates or the front plate and the back plate, and is connected and fixed so as to be perpendicular to the both side plates. In the embodiment in FIG. 3, the mounting board 50 is arranged in two stages by arranging two mounting boards 50A and 50B in a longitudinal series. As shown in FIG. 2, the side plates 26 and 28 are arranged in parallel with each other with a gap in between, and the mounting board 50 is connected in a state of being sandwiched between the side plates. The mounting board 50 is arranged and connected at a substantially intermediate position of the width W of both side plates, and a sufficient gap is provided on either side of the opposing wall of the opposing gap S1 with the front plate 22 and the opposing gap S2 with the back plate 24. Thus, a space is provided on both the front and back sides of the mounting board for accommodating electric devices having various protruding heights to be attached to the mounting board. The mounting board 50 includes mounting frame plates 52 (52A, 52B) whose both ends are joined to the side plates 26, 28 at right angles. As shown in FIG. 3, the mounting frame plate 52 (52A, 52B) is bent from four sides of the frame plate body in one direction, for example, in the present embodiment, in an L shape (right angle) in the back plate 24 direction. In addition, elongated connecting strips 52a and 52b are formed. Then, the bending pieces for connection 52as and 52bs on the side of each mounting frame plate 52 are brought into close contact with the inner wall surfaces of the side plates 26 and 28, respectively. Further, the connecting bending pieces 52as and 52bs on the side portions of the mounting frame plate 52 are respectively provided with two screw holes 54a and 56a in series in the left and right directions.

The left and right side plates 26, 28 have a plurality of screws arranged in tandem on the side plates corresponding to the positions where the connecting bent pieces 52 as, 52 bs on the side of the mounting frame plate 52 are in close contact with the inside of the side plates 26, 28. A screw fixing hole array 29 (see FIG. 5) including fixing holes 26a and 28a is provided. As a result, the side plates 26 and 28 and the mounting board 50 can be assembled in an H shape in plan view by simply screwing the screws 100 from the outside of the side boards. As described above, when the side plates and the mounting board are assembled in an H shape, the box is not surely fixed and assembled, but the base pieces 60 and 62 at the lower ends of the side plates and the three-dimensional shape of the H shape. In this state, it is possible to stand up in a sufficiently stable manner. In this state, unmounted electrical devices and components are mounted on the mounting board, wiring is performed, wiring is further checked, and mounting is completed. In addition, 31 is a screw hole for fixing with the top plate provided in the upper left and right corner positions of both side plates. Note that the lower ends of the front plate 22 and the back plate 24 facing the mounting board are set shorter than the lower ends of the side plates 26 and 28 to form a through hole 150 between the mounting surface L of the apparatus. .

6 is a perspective view of the upper mounting board 50A as viewed from the front diagonally upward, and FIG. 7 is a perspective view of the same mounting board 50A as viewed from the diagonally upper side of the rear surface. FIG. 2 shows a case where an opening 83 is provided in the mounting frame plate 52 and the opening needs to be arranged in a penetrating manner. FIG. 8 is a perspective view of the lower mounting board 50B as viewed from the front diagonally upward direction, and FIG. 9 is a perspective view of the mounting board 50B as viewed from the diagonally upper surface of the lower mounting board 50B. A state in which the partition plate 82 is attached to and protruded from the mounting frame plate 52 is shown, and electrical equipment mounting with a high degree of freedom is realized regardless of the amount of protrusion across the front and back surfaces of these mounting boards. Note that E represents other electrical equipment.

  Next, the operation of the electrical equipment storage box device will be described while explaining the assembly method of the electrical equipment storage box of the present embodiment. In addition, although the two mounting boards 50 of this embodiment are installed, only one may be sufficient and it can also arrange | position and fix three or more in a vertical column. The mounting board is preliminarily equipped with a work that can be smoothly performed in a state where it is placed on a flat surface, and the side boards 26 and 28 are applied so that the mounting board is erected and joined at right angles to both sides in the center. Screws 100 are screwed into the screw fixing holes 26a, 28a and screwed into the screw holes 54a, 56a of the connecting bent pieces 52as, 52bs of the frame plate to connect one side plate and one end side of the mounting frame plate. . Next, with respect to the lower mounting board 50B, both side plates 26 and 28 and the mounting boards 50 (50A, 50B) are assembled on the H shape in a plan view by screwing the screws from the outside of the side plate. Be independent in the state. In this state, mountable electrical components and electrical equipment are installed, and final mounting work such as setting, testing, assembly, and wiring of the electrical equipment is performed. For example, the front plate 22 and the back plate 24 are fastened with screws with the external input connection line 201 and the output line 202 connected, and the box 11 is assembled. Since the through-opening 150 is formed by the width of the front plate or the back plate and the height from the required ground, the connection of the electric wires can be made with a margin.

  The electrical device storage box device and the assembly method of the electrical device storage box of the present invention are not limited to the above-described embodiments, and any modifications can be made without departing from the essence of the invention described in the claims. This is also included in the present invention.

  The electrical equipment storage box device and the electrical equipment storage box assembly method of the present invention can be effectively applied to so-called switchboards, distribution boards, control panels, and other electrical equipment built-in storage boxes in general.

It is a front view of the state where a front board of an electric equipment storage box device concerning an embodiment of the present invention was omitted. FIG. 2 is an enlarged plan view of FIG. 1. FIG. 2 is an exploded perspective view of the apparatus shown in FIG. It is a rear view of the state which omitted the back board of the electric equipment storage box device concerning the embodiment of the present invention. It is a side view of the electric equipment storage box apparatus of FIG. It is the perspective view seen from the front diagonally upper direction of the upper mounting board of the apparatus of FIG. FIG. 2 is a perspective view of the upper mounting board of FIG. FIG. 3 is a perspective view of the lower mounting board of FIG. FIG. 2 is a perspective view of the lower mounting board of FIG.

DESCRIPTION OF SYMBOLS 10 Electrical equipment storage box apparatus 11 Storage box body 22 Front plate 24 Back plate 26 Left side plate 26a Screw fixing hole 28a Screw fixing hole 28 Right side plate 29 Screw fixing hole row 30 Top plate 50 Mounting board 52 Mounting frame plate 100 Screw

Claims (2)

A front plate, a back plate, left and right side plates, and a top plate, each formed of a rectangular flat plate, are each an electric device storage box device that is formed of separate members and fixed in screws and assembled into a box shape.
A respective side plate mounting board disposed linked upright with the H-shape their side plate in a plan view in the width direction in the central position of the frame plate main body to be assembled fixed in contact with the flat inner surface of the side plates Including a mounting board on which an electrical device is attached in a state of having a bent piece for attachment formed by bending the four sides of the frame into an L-shape and penetrating a through opening provided in the frame plate body,
A base piece extending from the lower end of the side plate to the required height is attached to the lower end of each side plate so as to be stably self-supporting in a state assembled with the mounting board in an H shape.
When performing final mounting work including setting, testing, and wiring of electrical equipment mounted on the mounting board, it has an H-shaped assembly mode in which it is assembled in an H-shape only by the mounting board and the side plate. Electrical equipment storage box device. 2. The electricity according to claim 1, wherein the lower end of each of the front plate and the back plate facing the mounting board is set shorter than the lower ends of both side plates to form a through hole opening between the mounting surface of the apparatus. Equipment storage box device.

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