JP2007158014A - Electric apparatus housing box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric apparatus housing box easy to assemble without needing the screw-fixing work. <P>SOLUTION: Plates 1 forming the sides of the box body have the same structure. The surrounding sides of the plate 1 are bent at 135° to form strips 10 and further bent at 45° to mounting pieces 11 for mounting an apparatus. Both ends of each strip 10 are used as connecting pieces 12 for mounting a fixing tool 7 for connecting the plates 1 each other. The strips 10 are laid one above the other with a rubber packing inserted between them, and the mutually laid connecting pieces 12 are squeezed by the fixing tool 7 to assemble the box body. <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 during use.

  The main body of a conventional electrical equipment storage box that houses electrical equipment for power distribution or electronic equipment such as communication equipment is formed by welding an angle frame or the like to form a frame, and welding a blocking plate on each surrounding surface. Mounted by screwing, bent metal plate, continuously formed back plate and side plate, etc., attached top plate, bottom plate etc. by welding etc. and formed frameless, on the open front Had a door.

However, the frame structure or the frameless structure is shipped from the factory in an assembled state, and storage and transportation are performed in a completed state. Therefore, 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 structure in which a bent surface is provided at the end of each plate, and the bent surfaces are screwed together and can be assembled at the site of use. Therefore, the plates can be stacked and stored until they are assembled, and the storage space 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 is required at the installation site, and a lot of time is required for the installation work. The burden was great.
Therefore, in view of such problems, the present invention has an object to provide an electrical equipment storage box that does not require a screwing operation and can be easily assembled.

In order to solve the above-mentioned problem, the invention of claim 1 is an electrical device in which a box body capable of storing electrical devices is formed by left and right side plates, a bottom plate, a top plate, and a back plate, and a door is provided on the front surface to allow opening and closing. A plate that forms each surface of the box main body is a rectangular box that includes connecting pieces that are folded at 135 degrees inside each side and overlap each other when the plates are combined. Further, the box main body can be assembled by holding a pair of overlapping connecting pieces in a square shape by a holding means.
With this configuration, the box body can be assembled only by the clamping operation by the clamping means without using screwing means such as screws, and the assembly is easy. Further, since the plate bodies such as the back plate and the side plate can have the same configuration, the plate bodies can be made common, the types of members can be reduced, and the screws can be easily disassembled without using screws or the like.

According to a second aspect of the present invention, in the first aspect of the present invention, each plate body includes a strip formed by bending 135 degrees inward on each peripheral side and continuously formed over the entire circumference, and a part of the strip. And a connecting piece, and an attachment piece for attaching the device is provided at the front end portion of the strip by bending it further 45 degrees inward.
With this configuration, when the box is manufactured, the strips overlap each other and come into close contact with each other, so that airtightness can be improved. Further, by providing the strip, the plate body can be made robust and there is no need to provide a separate reinforcing member. In addition, since the mounting pieces are arranged in parallel to the respective plates, it is convenient when mounting equipment to be stored or providing a shelf for storing equipment.

The invention of claim 3 is characterized in that, in the invention of claim 2, a strip-like elastic body having elasticity and waterproofness is interposed between the strips when the plates are connected to each other.
With this configuration, the box body can be waterproof and can be installed outdoors.

A fourth aspect of the invention is characterized in that, in the invention according to any one of the first to third aspects, the connecting pieces are formed at the four corners of the plate.
With this configuration, since the connection is made at the corner of the plate, that is, at the corner of the box body, the holding means does not interfere with the electrical equipment stored.

According to a fifth aspect of the present invention, in the invention of the fourth aspect, the clamping means for connecting the four corners of the back plate has a three-prong structure having a clamping portion in three directions, and at the same time three plate bodies are provided. It is connectable.
With this configuration, three plates can be connected by one member, and the three plates can be connected simultaneously, thereby further simplifying the connecting operation. Since the three plates are connected by one member, the torsional strength of the box can be increased.

According to the present invention, the box body can be assembled only by the clamping operation by the clamping means without using screwing means such as screws, and the assembly is easy. Further, since the plate bodies such as the back plate and the side plate can have the same configuration, the plate bodies can be made common, the types of members can be reduced, and the screws can be easily disassembled without using screws or the like.
Furthermore, by providing the strips, when the box body is manufactured, the strips overlap each other and come into close contact with each other, so that airtightness can be improved. Further, by providing the strip, the plate body can be made robust and there is no need to provide a separate reinforcing member. In addition, since the mounting pieces are arranged in parallel to the respective plates, it is convenient when mounting equipment to be stored or providing a shelf for storing equipment.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described in detail with reference to the drawings. FIG. 1 is an exploded perspective view showing an example of an electrical equipment storage box according to the present invention, in which 2 is a back plate, 3 is a left side plate, 4 is a right side plate, 5 is a bottom plate, and 6 is a top plate. The plate body 1 is formed with the same structure. Reference numeral 7 denotes a fixture (clamping means) for connecting the plate bodies 1. However, in the case of the fixture 7 shown in FIG. 1 that connects the back plate 2 to two adjacent plates 1, a three-fork fixture 7 a in which three fixtures are integrated is used.

The plate body 1 is formed by bending four sides of a substantially rectangular steel plate, and strips 10 having substantially uniform widths formed by bending all four sides by 135 degrees are provided. And the attachment piece 11 is further bent at the front-end | tip, and this attachment piece is utilized when attaching the apparatus to accommodate.
Both end portions of the strip 10 which is also an end portion of the plate body 1 are formed as connection pieces 12 sandwiched between the fixtures 7 to connect the plate bodies 1 to each other, and the strip piece 10 and the connection piece 12 are continuously formed. ing.

Further, the strip 10 is uniformly formed over the entire circumference with a uniform surface so that no gap is generated between the adjacent plate bodies 1 when the box body is assembled. Tens are connected by welding.
Specifically, as an example of the dimensions of each part, the width of the strip 10 is about 60 mm, the width of the mounting piece 11 is about 15 mm, and the connecting piece is formed with a width of about 100 mm. In the case of this dimension, the thickness of the plate 1 is about 42 mm, and even if the five plates constituting the box body are overlapped, it is about 210 mm.

  FIG. 2A is a perspective view of the fixture 7, and FIG. 2B is a cross-sectional view of the plate connecting portion to which the fixture 7 is attached. In FIG. 2, reference numeral 14 denotes a packing as a belt-like elastic body, and the plate members are connected to each other by overlapping the belt pieces 10 via the packing 14. As the packing 14, a rubber plate having elasticity and waterproofness is used, and the packing 14 is arranged over the entire length of the strip 10.

  The fixture 7 is a synthetic resin molded body having a U-shaped cross section, and has a slit-like opening 15 at the tip, and a holding space 15 a is formed inside the opening 15 continuously. . The opening 15 is formed with the claw pieces 16 facing each other, and has a guide surface 17 inclined toward the opening 15 around the front side of the opening 15, so that the connecting piece 12 can be easily inserted. In addition, the two connecting pieces 12 are inserted and gripped. The opening 15 is formed to be slightly narrower than the combined thickness of the two connecting pieces 12 and 12 and the packing 14.

  On the other hand, as shown in FIG. 2 (b), the corresponding connecting piece 12 is provided with a folded piece 18 whose tip is folded back inside the plate body 1, and its end is a claw piece 16 of the fixture 7 that is gripped. A locking step portion 18a that prevents the fixing tool 7 from coming off is formed.

  By forming the fixture 7 and the connecting piece 12 in this manner, the elasticity of the packing 14 and the elasticity of the synthetic resin fixture 7 and the guide surface 17 provided around the opening 15 of the fixture 7 The connecting portion obtained by combining the connecting pieces 12 and 12 and the packing 14 can be smoothly inserted into the opening 15. And after insertion, the fixing tool 7 does not come off by the action of the locking step portion 18a formed by folding. In this way, the fixing tool 7 holds the overlapping connecting pieces 12 well.

  FIG. 3 shows an enlarged view of the three-forked fixture 7a shown in FIG. The three-forked fixing tool 7a has a configuration in which three fixing tools 7 described above are connected, and it is convenient to use such a fixing tool for the connecting portion of the three plate bodies 1. By using this three-pronged fixture, three plates including the back plate 2 can be connected simultaneously by one member, which facilitates the connection work and connects the three plates by one member. Therefore, the torsional strength of the box can be increased.

Thus, since each plate body is connected only with a fixing tool, a box main body can be assembled without using screwing means, such as a screw, and an assembly is easy. Moreover, since plate bodies, such as a back board and a side board, can be made into the same structure, a common board body can be aimed at and the kind of member can be reduced.
Further, when the box body is manufactured, the strips overlap each other and are in close contact with each other, so that the airtightness can be improved. By providing the strips, the plate body can be made robust, and there is no need to provide a separate reinforcing member. In addition, since the mounting pieces are arranged in parallel to the respective plates, it is convenient when mounting equipment to be stored or providing a shelf for storing equipment.
In addition, since the belt-like elastic body is interposed in the connecting portion, the box main body can be waterproof, and can be installed outdoors, and is connected at the corner of the plate body, that is, the corner of the box main body. The clamping means does not interfere with the electrical equipment stored.

In addition, the door provided in the front opening part of the said box main body is the same as the said strip 10 in each edge | side which contact | connects the side plates 3 and 4, the baseplate 5, and the top plate 6 similarly to the plate 1 which comprises a box main body. By providing the strip folded back by 135 degrees, a box body that maintains airtightness can be formed.
Moreover, although it has the structure which connects the edge parts of the plate body 1 with the fixing tool 7, as the mounting site | part of the fixing tool 7 has many mounting areas or a mounting area is large, a firm connection is possible. In addition to the end portion, it may be provided at the center of each side, or the attachment piece 11 may be eliminated and the entire strip 10 may be used as the connection piece 12.
Further, although the locking step 18a is provided on the connecting piece 12 to prevent the fixing tool 7 from coming off, the fixing tool 7 may be removed without providing the locking step 18a. Easy to disassemble and easy to recycle.

It is a disassembled perspective view which shows an example of embodiment of the electric equipment storage box which concerns on this invention. It is explanatory drawing of a fixing tool, (a) is a perspective view, (b) has shown sectional explanatory drawing of the mounted state. It is an external view of the three-forked fixing tool that fixes the periphery of the back plate.

Explanation of symbols

  1 .. Plate body 2 .... Back plate 3 .... Left side plate 4 .... Right side plate 5 .... Bottom plate 6 .... Top plate 7 ... Fixing device (clamping means) 10 ... Strip , 11 .. Mounting piece, 12 .. Connecting piece, 14... Packing (band-like elastic body).

Claims (5)

An electrical equipment storage box that can be opened and closed by forming a box body that can store electrical equipment by the left right plate, bottom plate, top plate, back plate, and providing a door on the front,
The plates constituting each surface of the box body are formed in a rectangular or square shape with connecting pieces that are bent at the inner sides of 135 degrees and are overlapped with each other when the plates are combined. An electrical equipment storage box characterized in that the box body can be assembled by sandwiching a pair of overlapping connecting pieces with a sandwiching means. Each plate body is provided with a strip that is bent 135 degrees inward on each side and continuously formed over the entire circumference. A part of the strip is used as a connecting piece, and a further inner portion is provided at the tip of the strip. The electrical equipment storage box according to claim 1, wherein the electrical equipment storage box is provided with a mounting piece for mounting the equipment by bending it 45 degrees. The electrical equipment storage box according to claim 2, wherein a strip-shaped elastic body having elasticity and waterproofness is interposed between the strips when the plates are connected to each other. The electrical equipment storage box according to any one of claims 1 to 3, wherein the connecting pieces are formed at four corners of the plate. The electric device storage box according to claim 4, wherein the holding means for connecting the four corners of the back plate has a three-pronged structure having a holding portion in three directions, and three plate bodies can be connected simultaneously.

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