JP4838186B2 - cabinet - Google Patents

Description

  The present invention relates to a cabinet for mounting electrical equipment therein.

2. Description of the Related Art Conventionally, as a cabinet in which various electric devices can be mounted, for example, a cabinet disclosed in Patent Document 1 is known. Here, a conventional cabinet will be described with reference to FIG. 5A and 5B show a back plate 51 of a conventional cabinet. FIG. 5A is a perspective explanatory view showing a state in which the electric device 60 is mounted, and FIG. 5B is a cross-sectional explanatory view of the back plate 51. It is.
The cabinet is formed by assembling a back plate 51, a pair of side plates, a top plate, a bottom plate, and a front door, and an electrical device 60 such as a watt hour meter can be attached to the back plate 51 with screws 52 and 52. ing. The back plate 51 is a metal plate-like member, and the upper and lower edges are bent forward and the left and right side edges are bent rearward so as not to bend or deform when the electric device 60 is attached. The strength is improved.

Japanese Patent Laid-Open No. 10-145914

  However, the conventional back plate 51 has insufficient strength depending on the number, type, and size of electrical devices to be attached, and a dedicated device mounting plate or mounting bracket may have to be used. Therefore, there is a problem that the installation work of the electrical equipment becomes complicated and the installation work of the cabinet becomes difficult due to the increase in the overall weight. Moreover, even if the thickness of the back plate 51 is increased in order to improve the strength of the back plate 51, there arises a problem that the overall weight increases. Further, since the rear space of the back plate 51 is opened in the vertical direction, the screws 52, 52 protruding rearward from the back plate 51 are visible to the user even after the cabinet is installed (when the front door is opened, etc.) ) There is also a problem that it is inferior in aesthetics.

  Therefore, the present invention has been made in view of the above problems, and it is intended to provide a cabinet that has a high strength back plate, does not need to use a device mounting plate, a mounting bracket, or the like, and has an excellent aesthetic appearance. To do.

In order to achieve the above object, the invention according to claim 1 of the present invention includes a cabinet main body that is bent to the left and right sides of the back plate portion forward to form a left plate portion or a right plate portion, respectively, and the cabinet main body. It consists of a top plate that closes the upper surface, a bottom plate that closes the lower surface of the cabinet body, and a front door that opens and closes the front opening of the cabinet body. At least the electrical equipment can be mounted on the inner surface of the back plate The left and right side edges of the back plate portion are provided with ridges projecting further rearward than the back plate portion by bending, and the upper and lower edges of the left plate portion and the right plate portion are provided. Extending further upward or downward than the ridge portion to form a first flange portion, the first flange portion is bent toward the ridge portion and fixed to the ridge portion, while the upper and lower sides of the back plate portion are The edge is the ridge A second flange portion also is protruded further upward or downward, fixed to the said convex portion in a state in which the second flange portion is bent rearwardly to close between the right and left convex portions, further, the right plate portion The right door for opening and closing the right side opening is provided on the peripheral edge of the right side opening so that a rack mount type electrical device can be installed. It is characterized in that it can be opened and closed independently .
The invention according to claim 2 is characterized in that, in the invention according to claim 1, a fixing portion for fixing the bottom plate or the top plate is provided on the first flange portion and / or the second flange portion. .

According to the present invention, the left and right side edges of the back plate portion are provided with protruding strips that protrude further rearward than the back plate portion by bending, and the upper and lower edges of the left plate portion and the right plate portion from the protruding strip portions. Further, the first flange portion is extended upward or downward to be bent to the ridge portion side and fixed to the ridge portion, while the upper and lower edges of the back plate portion are further than the ridge portion. It protrudes upward or downward to form a second flange portion, and the second flange portion is bent rearward so that the space between the left and right convex portions is closed and fixed to the convex portion. Therefore, the strength of the back plate portion can be improved, and even if various electric devices are directly attached to the back plate portion by screws or the like, the back plate portion is not deformed. In addition, since there is no need to use a dedicated equipment mounting plate or mounting bracket, the electrical equipment can be easily installed, the overall weight of the cabinet can be reduced, and the cabinet is installed. Time and effort can be reduced.
Further, since the cabinet body is configured as described above, the space behind the back plate portion from which the device mounting screws protrude is surrounded by a pair of left and right convex portions and upper and lower second flange portions. It will be. Therefore, in the installation state to the wall surface etc. of a cabinet, the apparatus attachment screw can be hidden from a user etc., and the aesthetics of a cabinet can be improved.
In addition, since the left and right plates are formed by bending, the cabinet assembly work can be simplified compared to conventional cabinets in which the left and right plates are each assembled to the back plate. In addition, since the number of parts can be reduced, the management of the parts is facilitated.
In addition, a right opening is opened in the right plate, and a device mounting hole is provided in the peripheral edge of the right opening so that a rack mount type electric device can be installed, while a right door for opening and closing the right opening is provided. The door can be opened and closed independently of the front door. Therefore, according to the mounting position of the electrical equipment to be operated inside the cabinet and the installation environment of the cabinet, it can be dealt with by opening and closing only the right door, which is convenient. In addition, since it is possible to install rack mount type electrical equipment using the equipment mounting holes, when installing such rack mount type electrical equipment, there is no need to install a dedicated pillar member, It is possible to reduce the number of members and effectively use the installation space in the cabinet.
According to the second aspect of the present invention, the first flange portion and / or the second flange portion is provided with the fixing portion for fixing the bottom plate or the top plate, so that the strength can be improved. It can be set as the rational structure which gave the function as a fixing | fixed part of a top plate or a baseplate in a 1st flange part and / or a 2nd flange part.

  Hereinafter, a cabinet according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1A is an explanatory view showing the cabinet 1 from the front side, and FIG. 1B is an explanatory view showing the cabinet 1 from the bottom side. FIG. 2 is an explanatory view showing the cabinet body 1a from the front side. Fig.3 (a) is explanatory drawing which showed the cabinet main body 1a from the right side, and FIG.3 (b) is explanatory drawing which showed the cabinet main body 1a from the bottom face side. FIG. 4 is a partial explanatory view showing a state in which the cabinet body 1a is bent.
The cabinet 1 includes a cabinet main body 1a integrally including a back plate portion 2, a left plate portion 3, and a right plate portion 4, a top plate that is assembled to the cabinet main body 1a and closes an upper surface or a lower surface of the cabinet main body 1a. It consists of a bottom plate 5, a right door 6 that opens and closes a right opening 4a opened in a right plate portion 4 of the cabinet body 1a, and a front door 7 that opens and closes a front opening of the cabinet body 1a.

  The cabinet body 1a is formed by bending a metal plate-like member to form the back plate portion 2, the left plate portion 3, and the right plate portion 4, and the flat plate-like back plate portion 2 or The inner surface of the left plate portion 3 is a device mounting surface on which various electric devices such as a watt hour meter can be mounted directly by screwing or the like. On the left and right side edges of the back plate portion 2, a protruding ridge portion A protruding rearward is formed by bending, and then folded back forward. The folded portions become the left plate portion 3 and the right plate portion 4. ing. Further, the upper and lower edges of the left plate portion 3 and the right plate portion 4 are extended upward or downward from the ridge portion A to form a first flange portion B, and the first flange portion B has a ceiling. Screw holes (adhering portions) 8 and 8 for screwing the plate or the bottom plate 5 are provided. And this 1st flange part B is bend | folded to the protruding item | line part A side (namely, cabinet main body 1a inner side), and is welded to the upper edge or lower edge of the protruding item | line part A. As shown in FIG. The protruding portion A is formed so as to protrude further rearward than the amount of protrusion of the screw (screw for fixing the electric device) to the rear of the back plate portion 2, and the cabinet main body 1 a is attached to the wall surface or the like. When installing to the screw, the screw and the wall are not in contact with each other. Further, the amount of the first flange portion B extending upward or downward is approximately the same as the lateral width of the ridge portion A.

Further, the upper and lower edges of the back plate portion 2 are also extended upward or downward from the ridge portion A, similarly to the left plate portion 3 and the right plate portion 4, and a second flange portion C is formed. The amount of extension of the second flange portion C in the vertical direction is substantially the same as the amount of protrusion of the ridge portion A to the rear, and the second flange portion C is bent rearward to form left and right protrusions. It is welded to the upper edge or the lower edge of the ridges A and A in a state where the ridges A and A are closed. Therefore, the rear space of the back plate 2 is surrounded by the left and right ridges A, A and the upper and lower second flanges C, C. A screw protruding backward from the plate portion 2 can be shielded from the field of view of the user or the like. In addition, a screw hole (fixed portion) 8 for screwing the top plate or the bottom plate 5 is also provided at substantially the center in the left-right direction of the second flange portion C.
In addition, the right plate part 4 is provided with a right opening 4a over substantially the entire surface (that is, the right plate part 4 is a frame-like body), and the cabinet 1 is also provided through the right opening 4a. It is possible to operate the internal electrical equipment and install the electrical equipment in the cabinet 1. Further, the upper and lower flange portions of the right plate portion 4 are provided with mounting screw holes (device mounting holes) 9, 9... For mounting electrical devices.・ By using, rack mount type electrical equipment can be installed.

  On the other hand, the top plate and the bottom plate 5 are also metal plate-like members, and are fixed to the first flange portions A and A of the cabinet body 1a by screws or the like. A right door 6 for opening and closing the right side opening 4a is pivotally mounted so that it can be opened on one side about the right side rear edge of the cabinet body 1a, and a front door 7 for opening and closing the front opening of the cabinet body 1a. The cabinet main body 1a is pivotally mounted so as to be able to be opened on one side with the front left edge as an axis. The right door 6 and the front door 7 are independently attached so as to be able to open one side.

  According to the cabinet 1 configured as described above, the protruding strips A and A are formed on the left and right sides of the back plate 2 so as to protrude rearward by bending, and extend forward from the protruding strips A and A. Provided on the upper and lower edges of the left plate portion 3 and the right plate portion 4 are provided first flange portions B, B that protrude further upward or downward than the protruding strip portions A, A, the first flange portion B, B is bent toward the ridge A and welded to the upper or lower edge of the ridge A. Moreover, the 2nd flange parts C and C are extended also to the up-and-down edge of the backplate part 2, and this 2nd flange part C is bent back, and is welded to the upper edge or lower edge of the protruding item | line part A. FIG. Therefore, the strength of the back plate portion 2 can be improved, and the back plate portion 2 is not deformed even if various electrical devices are directly attached to the back plate portion 2 by screws or the like. Moreover, since it is not necessary to use a dedicated equipment mounting plate or mounting bracket, the electrical equipment can be easily attached, the overall weight of the cabinet 1 can be reduced, and the cabinet 1 can be installed. It is possible to reduce the time and labor required for the operation.

In addition, since the cabinet body 1a is configured as described above, the space behind the back plate portion 2 from which the device mounting screws protrude is composed of a pair of ridge portions A, A and upper and lower second flange portions C, C. Will surround the top, bottom, left and right. Therefore, in the installation state to the wall surface etc. of the cabinet 1, the screw for apparatus attachment can be hidden from a user etc., and the beauty | look of the cabinet 1 can be improved.
Further, since the left plate portion 3 and the right plate portion 4 are formed by bending (that is, the left plate portion 3, the right plate portion 4 and the back plate portion 2 are integrally formed), the back plate Compared to conventional cabinets that assemble the left and right plates respectively, it is possible to simplify the assembling work of the cabinet and reduce the number of parts, making it easy to manage parts etc. Become.

Furthermore, since the first flange portion B and the second flange portion C are provided with screw holes 8, 8... For attaching the top plate or the bottom plate 5, the first flange portion B for improving the strength. And it can be set as the rational structure which gave the function as a fixing | fixed part of the top plate or the baseplate 6 to the 2nd flange part C. FIG.
In addition, since the right door 6 that can be opened independently of the front door 7 is provided, the mounting position of the electrical equipment to be operated inside the cabinet 1 and the installation environment of the cabinet 1 (the front door 7 is open) When it is difficult, etc., it can be handled by opening and closing only the right door 6, which is convenient. Further, the upper and lower flange portions of the right plate portion 4 are provided with mounting screw holes 9, 9... For mounting electrical equipment, and using the mounting screw holes 9, 9,. Rack-mount type electrical equipment can be installed. Therefore, when installing a rack mount type electric device, it is not necessary to install a dedicated pillar member or the like, and the number of members can be reduced, and the installation space in the cabinet 1 can be effectively used.

  In addition, the structure which concerns on the cabinet of this invention is not limited to the aspect described in the said embodiment at all, The structure which concerns on the presence or absence of a cabinet main body or a door is required in the range which does not deviate from the meaning of this invention. It can be changed as appropriate according to the situation.

For example, in the cabinet described in the above embodiment, a right opening is opened in the right plate portion, and the right opening is opened and closed by the right door, but the right plate portion is a plate-shaped portion having no right opening. The right door may not be provided.
Further, the top plate and the bottom plate may be configured to be fixed to the cabinet main body by welding to the first flange portions B and B and the second flange portion C instead of screwing.

(A) is explanatory drawing which showed the cabinet from the front side, (b) is explanatory drawing which showed the cabinet from the bottom side. It is explanatory drawing which showed the cabinet main body from the front side. (A) is explanatory drawing which showed the cabinet main body from the right side, (b) is explanatory drawing which showed the cabinet main body from the bottom face side. It is the partial explanatory view which showed a mode that a cabinet main body was bend | folded. The back plate of the conventional cabinet is shown, (a) is a perspective explanatory drawing which shows the state in which the electric equipment was mounted, (b) is a cross-sectional explanatory drawing of the said back plate.

Explanation of symbols

  1 .... cabinet, 1a ... cabinet body, 2 .... back plate part, 3 .... left plate part, 4 .... right plate part, 4a ..., right side opening, 5 .... bottom plate, 6 .... right door, 7 ..Front door, 8 ..Screw hole, 9 ..Screw hole for mounting, A ..Ridge part, B ..First flange part, C .. Second flange part.

Claims (2)

A cabinet body that is bent left and right on both sides of the back plate portion forward to form a left plate portion or a right plate portion, a top plate that closes the top surface of the cabinet body, a bottom plate that closes the bottom surface of the cabinet body, and the cabinet It consists of a front door for opening and closing the front opening of the main body, and is a cabinet capable of mounting electrical equipment at least on the inner surface side of the back plate part,
On the left and right side edges of the back plate portion, provided with a ridge portion protruding further rearward than the back plate portion by bending,
The upper and lower edges of the left plate portion and the right plate portion are extended further upward or downward than the protruding strip portion to form a first flange portion, and the first flange portion is bent toward the protruding strip portion to form the convex portion. While fixed to the strip,
In the state where the upper and lower edges of the back plate part protrude further upward or downward than the ridge part to form a second flange part, the second flange part is bent backward and the space between the left and right ridge parts is closed. Fixed to the ridge ,
Further, a right side opening is opened in the right plate part, and a device mounting hole is provided in a peripheral part of the right side opening so that a rack mount type electric device can be installed, while a right door for opening and closing the right side opening is provided. A cabinet characterized in that it can be opened and closed independently of the front door .   The cabinet according to claim 1, wherein a fixing portion for fixing the bottom plate or the top plate is provided on the first flange portion and / or the second flange portion.

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