JP2007166717A - Housing for electric apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a housing for electric apparatus capable of facilitating assembling and disassembling without the need of screwing. <P>SOLUTION: In this housing for the electric apparatus, each of a board body of a back board 1, right and left side boards (right side board 2b), a bottom board, and a top board is provided with an engaging device for being connected to the adjacent board body roughly throughout the length of the connecting side. Right and left sides and the bottom side of the back board 1 are installed with first engaging devices 10 having engaging recesses, while the back side of corresponding side board and the back side of the bottom board are installed with second engaging devices 11 having engaging projections for being inserted into the first engaging device 10. The first engaging device 10 includes a tubular body 12 and a first elastic piece 13 formed in the tubular body 12, and the second engaging device 11 is equipped with a second elastic piece 16 for being engaged with the first elastic piece 13. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an electrical equipment storage box that stores electrical equipment and electronic equipment, and more particularly to an electrical equipment storage box that can be assembled and disassembled.

  Conventional electrical equipment storage boxes that store electrical equipment for power distribution and electronic equipment such as communication equipment form a frame by welding and connecting angle frames, etc. The metal plate is bent and formed, or the back plate and the side plate are continuously formed by bending the metal plate, and the top plate and the bottom plate are attached to the metal plate by welding or the like to form the frameless.

However, the frame structure or the frameless structure is shipped from the factory in an assembled state, and stored and transported in a completed state. For this reason, a large space is required for storage, and the efficiency is low when transporting, and many storage boxes cannot be transported at one time.
Therefore, a storage box as disclosed in Patent Document 1 has been proposed. This is a configuration in which a bent surface is provided at the end of each plate body, and the bent surfaces are screwed together to form a storage box, which can be assembled in the field. It can be stored and transported again, so that the storage space is small and the transport cost can be reduced.

JP 2000-152430 A

However, although the structure of the above-mentioned patent document 1 can be transported in a disassembled state, in that case, screw assembly work is required at the installation site, and a lot of time is required for the installation work. The burden was great. Although disassembly is possible, the removal work of the screwing site is also troublesome and not easy.
In view of the above problems, the present invention has an object to provide an electrical equipment storage box that does not require a screwing operation and is easy to assemble and disassemble.

In order to solve the above-mentioned problems, the invention of claim 1 includes a box body provided with left and right side plates, a bottom plate, a top plate, and a back plate so as to open a front surface and capable of storing electrical equipment, and a front opening of the box body. An electrical equipment storage box having an openable / closable door at a portion, wherein each of the left and right side plates, the bottom plate, the top plate, and the back plate has a locking means for connecting to an adjacent plate. The locking means is provided on one plate body to be connected and has a first locking means having a locking recess, and the locking protrusion provided on the other plate body to be connected and inserted into the locking recess. A second locking means having a portion, and both locking means are formed over substantially the entire length of the plate connecting side, and at least one of the locking recess and the locking protrusion is made elastic. It is characterized by being locked so as to be detachable by an elastic action.
With this configuration, the plates can be connected without using a connector such as a screw, and the box body can be easily assembled. Further, by providing locking means over substantially the entire length of the connecting side, the plate body can be made robust, there is no need to provide a separate reinforcing member, and the assembled box is also made robust. And since it can be disassembled, it is easy to recycle.

According to a second aspect of the present invention, in the first aspect of the invention, the first locking means includes a U-shaped frame having an opening for inserting the second locking means, and a frame extending from the opening. A first elastic piece extending in a S-shaped cross section in the body internal direction, and the second locking means includes an insertion piece to be inserted into the opening, and an insertion piece base that is folded from the distal end of the insertion piece. And a second elastic piece provided with a curved surface so as to be engaged with the first elastic piece.
With this configuration, both the first locking means and the second locking means can be formed integrally with the plate body by bending the end portions of the plate body, and the locking means can be easily manufactured. Moreover, a plate can be made strong by providing a frame and an elastic piece.

The invention according to claim 3 is the invention according to claim 2, wherein the connecting portion between the back plate and the left and right side plates is provided with the first locking means on the back plate and the second locking means on the side plate, The first locking means is formed so as to have an opening toward a side parallel to the back plate, and the second locking means is formed by bending a side plate end portion at a right angle toward the side. And
With this configuration, the side plate and the back plate can be connected by a simple operation of pressing the back plate against the back plate from the left-right direction. Further, if the frame body end portion of the first locking means formed on the back plate is formed so as to contact the side plate, the side plate can be prevented from wobbling, and the subsequent bottom plate and top plate can be easily connected.

According to the present invention, plates can be connected without using a connector such as a screw, and the box body can be easily assembled. And since it can be easily disassembled, it is easy to recycle.
In addition, by providing the locking means in a frame shape over almost the entire length of the connecting side, the plate body can be made robust, there is no need to provide a separate reinforcing member, and a robust box body can be formed simply by combining the plate bodies. .

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described in detail with reference to the drawings. FIG. 1 is an exploded explanatory view of a box body showing an example of an electric equipment storage box according to the present invention. 1 is a back plate, 2a is a left side plate, 2b is a right side plate, 3 is a bottom plate, and 4 is a top plate. Also has a rectangular shape such as a rectangle. The box body 6 is formed by connecting these plates and opening the front surface, and the electric equipment storage box is configured to be opened and closed by installing a door (not shown) on the opened front surface of the box body 6. The plate bodies are connected by locking the locking means provided on the respective plate bodies, and the box body 6 is assembled without using a separate connecting means.

  2 to 4 are cross-sectional explanatory views of a connecting portion showing a connecting structure between the back plate 1 and surrounding plates, FIG. 2 is a connecting structure of the back plate 1 and the right side plate 2b, and FIG. 3 is a back plate. FIG. 4 shows a connection structure between the back plate 1 and the top plate 4. 5 to 8 are enlarged views of the respective parts A to D of FIG. 1, FIG. 5 is a perspective view of the main part of the upper end of the back plate 1, FIG. 6 is a perspective view of the main part of the lower end of the back plate 1, and FIG. Is a perspective view of the main part of the bottom plate, and FIG. 8 is a perspective view of the main part of the side plate, showing the specific shape of each connecting part. In addition, since the connection structure of the back plate 1 and the left side plate 2a and the connection structure of the back plate 1 and the right side plate 2b are the same and are the same, the side plate connecting portion will be described below using the right side plate 2b. To do.

As shown in the perspective view of the main part of the side plate in FIGS. 2, 5 and 8, the connecting portion between the back plate 1 and the right side plate 2 b is a female first locking means 10 having a locking recess in the back plate 1. The right side plate 2b is provided with male second locking means 11 having a locking projection.
The first locking means 10 includes a cylindrical body 12 having a U-shaped cross section formed on a side of the back plate 1 and provided with an opening 12a on a side parallel to the back plate 1 forming surface. A first elastic piece 13 having an S-shaped cross section having elasticity is provided inside the cylindrical body 12 from the portion to form a locking recess. The cylindrical body 12 and the first elastic piece 13 are continuously formed over almost the entire length of the side of the back plate 1, and both are integrally formed by bending the side of the back plate 1.

  On the other hand, the second locking means 11 formed on the right side plate 2b is formed in the vertical direction at the rear end of the right side plate 2b, and is bent 90 degrees to the left side from the side plate forming surface so as to be parallel to the back plate 1. A locking projection is formed by the inserted piece 15 and the second elastic piece 16 bent toward the front side from the tip of the inserted piece 15 and formed toward the base of the inserted piece 15. The second elastic piece 16 is formed to have elasticity by providing a curved surface so as to engage with the first elastic piece 13. Both the insertion piece 15 and the second elastic piece 16 are continuously formed over substantially the entire length of the rear end of the side plate, and are formed integrally by bending the right side plate 2b.

Further, as shown in FIGS. 3, 6, and 7, the connecting portion between the back plate 1 and the bottom plate 3 is provided with the first locking means 10 described above on the lower side of the back plate 1, and on the side of the bottom plate 3. The second locking means 11 is provided and configured. All are provided over almost the entire length of the connecting side of each plate.
4 and 5, the male second locking means 11 described above is provided on the upper side of the back plate 1, and the female first locking means is provided on the corresponding top plate 4 side. 10 are provided, all of which are continuously formed over almost the entire length of the connecting side. However, the second locking means 11 formed on the upper side of the back plate 1 is configured such that the wall plate 17 is bent at the boundary portion with the main body of the back plate 1 to receive the cylindrical body 12 of the top plate 4 to be inserted. Are provided.

  As shown in FIG. 7, the connecting portion between the bottom plate 3 and the left and right side plates 2a and 2b is provided with second locking means 11 on the bottom plate 3, and the left and right side plates 2a and 2b have first locking means (not shown). 8), and the connecting portion between the top plate 4 and the left and right side plates 2a, 2b is provided with the first connecting means 10 on the left and right side plates 2a, 2b as shown in FIG. A second locking means (not shown) is provided and connected to the.

  The plate bodies provided with the locking means are connected as follows to assemble the box body. First, as shown in FIG. 2, left and right side plates 2 a and 2 b are inserted and connected to the back plate 1 from the left and right directions, respectively. The right side plate 2b is press-fitted with the rear connecting side into the connecting side of the back plate 1 from the right direction, whereby the first locking means 10 and the second elastic piece 16 are elastically engaged with the first locking means 10 by the second engaging side. The locking means 11 is smoothly inserted, and the front surface engaging portion 12b of the cylindrical body 12 abuts on the back surfaces of the left and right side plates 2a and 2b and is locked and connected to each other. After the connection, the left and right side plates 2a and 2b rotate due to the elastic engagement action of the first elastic piece 13 and the second elastic piece 16 and the engagement action of the end of the back plate 1 and the insertion piece 15 in contact. There is no wobbling, and it is easy to connect the bottom plate and the top plate later. Thus, the side plate and the back plate can be connected by a simple operation of pressing the back plate from the left and right directions to the back plate.

Next, the back plate 1 and the bottom plate 3 connecting the left and right side plates 2a and 2b are connected. By pressing the back plate 1 (and the left and right side plates 2a and 2b) from above the bottom plate 3, the second locking unit 11 is inserted into the first locking unit 10 as described above, and the back plate 1 and the left and right side plates 2a. , 2b, the front surface engaging portion 12b of the cylindrical body 12 abuts on the upper surface of the bottom plate, and the back plate 1 and the left and right side plates 2a, 2b are connected to the bottom plate 3 at once.
Finally, the top plate 4 is connected. By pressing the top plate 4 from above the back plate 1 (and the left and right side plates 2a and 2b), the second locking unit 11 is similarly inserted into the first locking unit 10, and the back plate 1 and the left and right side plates 2a. , 2b are connected to the top plate 4 at once. The connecting procedure of the bottom plate 3 and the top plate 4 may be reversed.

In this way, the plates can be directly connected without using a connector such as a screw, the box body can be easily assembled, can be disassembled, and is easy to recycle.
Also, by forming the locking means into a frame shape or the like over almost the entire length of the connecting side, the plate body can be made robust, and it is not necessary to provide a separate reinforcing member. Can be formed.
Furthermore, both the first locking means and the second locking means can be formed integrally with the plate body by bending the end of the plate body, and the locking means can be easily produced by press molding.

In the above embodiment, the female first locking means 10 is provided on the left and right sides and the lower side of the back plate 1 and the male second locking means 11 is provided on the upper side. The stopping means may be either a male type or a female type, and may be provided so as to form a pair with a corresponding plate locking means.
In addition, the locking means is formed continuously over almost the entire length of the connecting side, but it may be provided partially at both ends or the like, and both the first locking means 10 and the second locking means 11 are elastic. However, if only one has elasticity, they can be locked together.
Moreover, although each plate body is connected only by the 1st latching means 10 and the 2nd latching means 11, even if it uses together the latching means of another shape, there is no problem. For example, the back plate and the side plate may be connected to each other by providing a cylindrical connecting portion on both sides and inserting and connecting them in the vertical direction.

It is decomposition | disassembly explanatory drawing of the box main body which shows an example of embodiment of the electric equipment storage box which concerns on this invention. It is sectional explanatory drawing which shows the connection structure of a backplate and a right side board, (a) has shown before connection, (b) has shown after connection. It is sectional explanatory drawing which shows the connection structure of a backplate and a baseplate, (a) has shown before connection, (b) has shown after connection. It is sectional explanatory drawing which shows the connection structure of a backplate and a top plate, (a) has shown before connection, (b) has shown after connection. It is an enlarged view of the FIG. 1A section. It is an enlarged view of the FIG. 1B section. It is an enlarged view of the FIG. 1C section. It is an enlarged view of the FIG. 1D section.

Explanation of symbols

  1 .... back plate, 2a ... left side plate, 2b ... right side plate, 3 ... bottom plate, 4 ... top plate, 6 ... box body, 10 ... first locking means, 11 ... second engagement Stop means, 12... Cylindrical body, 12a .. opening, 13... First elastic piece, 15 .. insertion piece, 16.

Claims (3)

An electric equipment storage box having a box body provided with a left right side plate, a bottom plate, a top plate, and a back plate and having an opening on the front face and capable of storing electric equipment, and a door provided at the front opening of the box main body so as to be opened and closed. Because
Each of the left and right side plates, the bottom plate, the top plate, and the back plate has a locking means for connecting to an adjacent plate, and the locking means is provided on one of the connecting plates. A first locking means having a locking recess and a second locking means provided on the other plate to be connected and having a locking projection inserted into the locking recess, and both locking means Is formed over substantially the entire length of the plate connecting side,
An electrical equipment storage box, wherein at least one of the locking concave portion and the locking convex portion is provided with elasticity so as to be detachably locked by an elastic action. The first locking means includes a U-shaped frame having an opening into which the second locking means is inserted, and a first elastic piece extending in an S-shaped section from the opening toward the inside of the frame. And
The second locking means includes an insertion piece to be inserted into the opening, and a second elastic piece provided with a curved surface so as to be folded from the distal end of the insertion piece and engage with the first elastic piece toward the insertion piece base. The electrical equipment storage box according to claim 1, comprising: The connecting portion between the back plate and the left and right side plates is provided with a first locking means on the back plate and a second locking means on the side plate, and the first locking means is directed to the side parallel to the back plate. The electrical equipment storage box according to claim 2, wherein the second locking means is formed by bending the side plate end portion at a right angle and facing the side.

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