JP4933136B2 - Electrical equipment storage box - Google Patents

Description

  The present invention relates to an electrical equipment storage box that stores electrical equipment, communication equipment, and the like, and more particularly to an electrical equipment storage box that can be assembled at an installation site.

  Conventional 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 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 frameless structure is shipped from the factory in an assembled state, and storage and transportation are completed. 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 and connected to complete a storage box. Each plate is stacked and stored and transported until it is assembled. Therefore, the space for storage is small, and the transportation 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 using screws at the installation site is necessary, which requires time for the installation work, and thus it is necessary for the operator. The burden was great. Moreover, since small members, such as a screw, are required, the management was troublesome.
Therefore, in view of such problems, an object of the present invention is to provide an electrical equipment storage box that does not require a screwing operation and can be easily assembled at an installation site.

In order to solve the above-mentioned problems, the invention of claim 1 is characterized in that a box body for storing electrical equipment is formed by closing five surfaces by left and right side plates, a top plate, a bottom plate, and a back plate, An electrical equipment storage box that can be opened and closed by providing a door, and provided with a frame connecting means for engaging and connecting each plate to the contact sides of the left and right side plates, the top plate, and the bottom plate In addition, back plate connecting means for connecting the back plate to the back of the left and right side plates, the top plate, and the bottom plate is provided, and the frame portion connecting means has an inclination of approximately 45 ° toward the inside of the box body A contact plate that is formed over substantially the entire length of the contact side and contacts each other when connected, and an elastic locking means provided at the tip of the contact plate. A plurality of extended elastic pieces and an engagement piece provided at the tip of the elastic piece, the engagement piece being a first engagement piece engaged with each other; The first engagement piece and the second engagement piece are alternately provided over the entire length of the contact plate, and the first engagement piece and the first engagement plate are connected to each other. The opposing contact sides of each plate body are formed asymmetrically so that the two engagement pieces correspond to each other, and the elastic locking means are locked by the operation of bringing the contact plates into close contact with each other. The top plate and the bottom plate are connected to each other.
With this configuration, the left and right side plates, the top plate, and the bottom plate each have a contact plate having an inclination of about 45 ° over the entire length at each contact portion, so that it is robust and easy to handle. And it can connect by press operation, without using connection means, such as a screw separately, and it becomes possible to connect each plate body of a right-and-left side board, a top plate, and a baseplate by simple operation.

Moreover, since the engagement piece is provided at the tip of the elastic piece, the first engagement piece and the second engagement piece can be smoothly connected by the action of the elastic piece.

According to a second aspect of the present invention, in the first aspect of the invention, the left and right side plates, the top plate, and the bottom plate all have a back frame that is a part of the back of the box body, and the back plate connecting means is It was provided in the edge part of the back frame.
With this configuration, the left and right side plates, the top plate, and the bottom plate are provided with part of the back surface, so that the left and right side plates, the top plate, and the bottom plate can be further robust. Further, the back plate can be made smaller than the back surface of the box body, which makes it easier to handle.

According to a third aspect of the present invention, in the invention of the second aspect , the back plate connecting means is a belt-like projection protruding forward from the end portion of the rear frame body, and holds the belt-like projection around the corresponding back plate. In the frame body in which the right and left side plates, the top plate, and the bottom plate are connected, the back plate and each plate are connected by pressing the back plate from the front.
With this configuration, the back plate can be assembled by a pressing operation, and the box body can be assembled by a simple operation. Further, the back plate can be made strong by the gripping means provided around the back plate, and the back plate becomes easy to handle.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, a packing is provided on one abutting surface of a pair of abutting plates provided on each of the left and right side plates, the top plate, and the bottom plate. It is characterized by being pasted over the entire length.
With this configuration, the gap between the connected left and right side plates, the top plate, and the bottom plate is closed by the packing, so that the airtightness of the box body can be improved, and intrusion of rainwater and the like can be prevented.

  According to the present invention, the plate bodies can be connected by a pressing operation, and can be connected by a simple operation without using a connecting means such as a screw. Further, each plate has a connecting means formed by bending from the plate body around it, so that it can be made robust and easy to handle.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described in detail with reference to the drawings. 1 to 3 show an example of an electrical equipment storage box according to the present invention, FIG. 1 is a perspective view of a box body without a cover plate, FIG. 2 is an exploded perspective view of FIG. 1, and FIG. The figure is shown. In each figure, 1 is a side plate, 2 is a top plate, 3 is a bottom plate, 4 is a back plate, each plate is formed by bending a steel plate, and the front of the box body to which a door (not shown) is attached has a large opening 5. Have. In this embodiment, the opening 5 has a square shape, and the left and right side plates 1, 1, top plate 2, and bottom plate 3 that close up, down, left and right are formed with the same dimensions.

  FIG. 4 is a perspective view of the side plate 1, and 6 is a contact side (first contact side 6 a, second contact side 6 b) provided with frame connecting means for connecting to the adjacent top plate 2 and bottom plate 3. , 7 is an opening frame forming side disposed on the front side, and 8 is a back frame forming side disposed on the back side. However, as will be described later, the frame portion connecting means of the left and right side plates 1, 1, top plate 2, and bottom plate 3 have the same configuration. In this embodiment, the side plate 1, top plate 2, and bottom plate 3 have the same dimensions. Therefore, the perspective view of FIG. 4 is also a perspective view of the top plate 2 and the bottom plate 3. Hereinafter, the configuration of the side plate 1 will be described, and the description of the top plate 2 and the bottom plate 3 will be omitted.

The opening frame forming side 7 includes a front frame 7a formed by bending the side plate main body 1a at a substantially right angle, and a frame-like projection 10 for enhancing airtightness when closed by a door (not shown). It is formed with an upright piece 7b erected forward from the end of 7a.
On the other hand, the back frame forming side 8 is bent toward the front which is parallel to the side plate body 1a and the back frame body 8a constituting the periphery of the back side of the box body formed by bending the side plate body 1a at a substantially right angle. The band-shaped protrusion 8b is formed. The strip-shaped protrusion 8 b serves as a back plate connecting means for connecting the back plate 4.
Reference numeral 12 denotes a packing made of a strip-shaped rubber piece, which is attached to the first contact side 6a of the pair of contact sides 6a and 6b.

  Thus, by providing the front side frame portion and the front frame on the front side of the side plate (and the top plate and the bottom plate), and providing the back frame body and the belt-like projection on the back side, the side plate can be made robust and easy to handle. . Therefore, other top plates and bottom plates can be made robust and easy to handle, and the box itself can be made robust.

The frame connecting means formed on the first contact side 6a and the second contact side 6b is configured as follows. The contact plate 14 is formed by bending so as to have an inclination of 45 ° with respect to the inner surface of the side plate main body 1a, and an elastic locking means 15 provided at the tip of the contact plate 14, and includes an elastic locking means. Reference numeral 15 denotes an elastic piece 16 provided from the middle of the contact plate 14 toward the tip, and an engagement piece 17 formed continuously at the tip.
A plurality of slits 14a are provided at equal intervals from the middle of the abutting plate 14 toward the tip, and the individual tip portions of the abutting plate 14 separated by the slit 14a become elastic pieces 16, and the elastic pieces 16 are Elastic deformation is possible in a direction perpendicular to the contact plate 14.

Of the elastic pieces 16 formed in this way, the engagement pieces 17 (17a, 17b) are provided on the predetermined elastic pieces 16, and the first engagement pieces 17a and the second engagement pieces 17b are configured to engage with each other. ing. The first contact side 6a includes a plurality of first composite engagement pieces 19a including three engagement pieces formed by disposing the second engagement pieces 17b between the first engagement pieces 17a. The other second contact side 6b is provided with a plurality of second composite engagement pieces 19b made of three engagement pieces formed by arranging the first engagement pieces 17a between the second engagement pieces 17b. It is configured.
A frame of the first contact side 6a and the second contact side 6b so that the first composite engagement piece 19a and the second composite engagement piece 19b come into contact with each other and engage when the plate body is connected. The part connecting means is formed, and the first contact side 6a and the second contact side 6b are in contact with and engaged with each other so that adjacent plate bodies are connected to each other.

  FIG. 5 is a cross-sectional view of a main part for explaining the engagement state of the first engagement piece 17a and the second engagement piece 17b, where (a) shows the state before engagement and (b) shows the engagement state. . In this case, one contact plate 14 is the contact plate 14 of the side plate 1, and the other contact plate 14 is the contact plate 14 of the top plate 2 or the bottom plate 3. Such engagement is performed alternately and alternately in one composite engagement piece 19a, 19b.

  On the other hand, on the four sides around the back plate 4, there are provided gripping means for gripping the belt-like protrusions 8 b formed on the back portions of the side plate 1, the top plate 2, and the bottom plate 3. FIG. 6 shows a connecting means for the back plate 4 and the side plate 1, (a) shows the state before connection, and (b) shows the connected state. In FIG. 6, reference numeral 21 denotes a gripping piece as gripping means formed on the back plate 4. The gripping piece 21 is formed by bending each side of the back plate 4 into a U shape, and a locking step portion 21a for locking the inserted band-shaped protrusion 8b is formed at the bent tip portion. The corresponding band-shaped protrusion 8b has a locking piece 22 formed by folding the tip as shown in the figure, and the inserted band-shaped protrusion 8b is pulled out by the locking piece 22 being locked to the locking step portion 21a. It is formed so that there is no.

The plate bodies thus formed are connected as follows to assemble the box body. First, the left and right side plates 1, 1, the top plate 2, and the bottom plate 3 are connected to create a frame that is opened forward and backward. In this embodiment, plate members having the same shape are used as the plate members constituting the surrounding surfaces.
The connection is performed by a pressing operation so that the first contact side 6a and the second contact side 6b of each plate are matched. By this operation, the first engagement piece 17a and the second engagement piece 17b are engaged. Then, the first composite engagement piece 19a in which the second engagement piece 17b is arranged between the first engagement pieces 17a and the first engagement piece 17a is arranged between the second engagement pieces 17b. Engaging with the second composite engagement piece 19b engages in a meshed manner, and as a result, it exerts a locking action and is difficult to come off. In addition, after the engagement, the connecting portion can be kept in an orthogonal stable state by the action of the contact plate 14, and the connecting portion is in close contact with and closed by the packing 12 attached to the contact plate 14.
In addition, what is necessary is just to implement this connection operation in arbitrary orders with respect to connection of each board, and the connection effect | action of a connection part acts similarly with respect to connection of 4 surrounding surfaces, and is connected firmly.

After creating the frame, the back plate 4 is assembled. By creating the frame body, the band-like projections 8b of the individual plate bodies are connected to form a frame-like projection on the inner flange of the box body, and the back plate 4 is assembled by locking the back plate 4 to this projection. It is done. The back plate is inserted from the front opening 5, and the respective strip-like protrusions 8 b are inserted into and connected to the gripping pieces 21 by pressing the gripping pieces 21 in alignment with the individual strip-like protrusions 8 b.
In addition, what is necessary is just to attach the door attached to the open front surface using the hinge to the frame-shaped protrusion 10 provided in the front edge part.

In this way, it is possible to connect the left and right side plates, the top plate, the bottom plate, and the back plate with a simple operation without using separate connecting means such as screws, and screwing work at the installation site. It is not necessary and can be assembled easily.
The left and right side plates, the top plate, and the bottom plate are each provided with a contact plate having an inclination of 45 ° on the opposite side, and a back frame forming side that forms a part of the back surface on the back of each plate body. In addition, since the opening frame forming side is provided on the front side of each plate body, the left and right side plates, the top plate, and the bottom plate can be made robust. Further, the back plate can be made smaller than the back surface of the box body, which makes it easier to handle.
Moreover, since the engagement piece is provided at the tip of the elastic piece, the first engagement piece and the second engagement piece can be smoothly connected by the action of the elastic piece.
Further, since the space between the connected left and right side plates, top plate, and bottom plate is closed by packing, the airtightness of the box body can be improved, and the intrusion of rainwater and the like can be prevented.

  In the above embodiment, the side plate 1, the top plate 2 and the bottom plate 3 are formed of the same plate body. However, in the case of a rectangular box, the left and right side plates 1 and 1 are formed of the same shape plate body, top plate. What is necessary is just to comprise the board 2 and the baseplate 3 as a board body of the same shape with two types of board bodies. In addition, the plate body and back plate 4 constituting the surrounding four surfaces are plate bodies without holes or windows, but holes for inserting electric wires and signal lines may be drilled and connected similarly. The strength of each plate is not greatly deteriorated.

  The electrical equipment storage box is a metal box that can be assembled without using fixing means such as screws, has versatility as a metal box that can be opened on one side, and can be used in other applications. Can be used. For example, it can be used as a locker or a storage shelf for storing articles.

It is a perspective view of the box main part which showed an example of embodiment of the electric equipment storage box which concerns on this invention, and abbreviate | omitted the door. It is a disassembled perspective view of the box main body of FIG. FIG. 3 is a front view of FIG. 2. It is a perspective view of a side plate. It is principal part sectional explanatory drawing which shows the connection structure of a side plate, a top plate, or a baseplate, (a) has shown the separated state, (b) has shown the connected state. It is principal part sectional explanatory drawing which shows the connection structure of a side plate and a backplate, (a) has shown the separated state, (b) has shown the connected state.

Explanation of symbols

  1 .... side plate 2 .... top plate 3 .... bottom plate 4 .... back plate 5 ... opening part 6 ... contact side 8a ... back frame, 8b ... strip-like projection (back plate) Coupling means), 12 ... packing, 14 ... contact plate, 15 ... elastic locking means, 16 ... elastic piece, 17 ... engagement piece, 17a ... first engagement piece, 17b ... 2 engaging pieces, 21 .. gripping piece (gripping means).

Claims (4)

An electric equipment storage box that can be opened and closed by forming a box body that houses electrical equipment by closing five sides with a left right side plate, a top board, a bottom board, and a back board, and providing a door on the front of the box body. ,
A frame connecting means for engaging and connecting the plates to each other is provided at the abutting sides of the left right plate, the top plate, and the bottom plate, and the back plate is attached to the back of the left and right side plates, the top plate, and the bottom plate. Providing a back plate connecting means for connecting;
The frame connecting means is formed over the entire length of the abutting side having an inclination of approximately 45 ° toward the inside of the box body, and abutting plates that abut against each other when connected, and a tip thereof. With the provided elastic locking means,
The elastic locking means comprises a plurality of elastic pieces extending on the contact plate and an engaging piece provided at the tip thereof, and the engaging pieces are engaged with each other by a first engaging piece and a second engaging piece. And the first and second engagement pieces are alternately provided over the entire length of the contact plate,
Further, the opposing contact sides of each plate are formed asymmetrically so that the first engagement piece and the second engagement piece correspond to each other between the plates to be connected.
The electric device storage box, wherein the elastic locking means are locked by the operation of bringing the contact plates into close contact, and the left and right side plates, the top plate, and the bottom plate are connected. Right and left side plates, the top plate, and the bottom plate are all have a rear frame member that is part of the back of the box body, electrical of claim 1 comprising comprises a back plate connecting means to an end portion of the rear frame Equipment storage box. The back plate connecting means is a belt-like projection protruding forward from the end of the back frame, and has a gripping means for gripping the belt-like projection around the corresponding back plate, and the left and right side plates, the top plate, and the bottom plate are The electric equipment storage box according to claim 2 , wherein the back plate and each plate body are connected by pressing the back plate from the front in the connected frame body. The electrical device according to any one of claims 1 to 3, wherein a packing is pasted over the entire length of one contact surface of a pair of contact plates provided on each of the left right plate, the top plate, and the bottom plate. Storage box.

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