JP2015177561A - housing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a housing ensuring the reliability on the waterproof structure while improving the assembly and wiring workability and capable of being manufactured in a short time.SOLUTION: The housing includes: a top plate having end parts bent in an L-like shape; plural side plates which are disposed to enclose the periphery of the top plate and each of which has an end part bent in a U-like shape; and plural gutter parts which are disposed beneath a seam where the end part of the top plate and the end parts of the side plates are joined so as to cover the seam from the inside. The gutter part is formed as a frame member of flat plate which is formed in an L-like shape both ends of which are bent so that end parts face each other.

Description

  The present invention relates to a housing, and more particularly to a housing used as an envelope such as a power panel and an operation panel installed outdoors.

In devices such as a power panel and an operation panel, since many electrical components are built in, it is inevitable to install them. Also, the wiring work for connecting the electrical components is very complicated.
Therefore, conventionally, in order to improve workability at the time of assembly, a structure has been disclosed in which assembly work can be performed in a state in which all directions are opened by adopting a frame structure with a main frame by a frame and a peripheral panel. (For example, Patent Document 1).
Also, the panel is bolted to the frame, and the brackets are bolted to the upper and lower corners for reinforcement to ensure workability, assembly workability, and waterproofness (for example, Patent Document 2), or in an outdoor housing A waterproof structure that improves reliability and ease of maintenance by providing a wind and rain intrusion prevention fitting in the gap between the chassis body and the door, and draining rainwater that has entered the gap by a drainage basin installed inside the door. (For example, patent document 3) etc. are disclosed.

JP 2012-191797 A Utility Model Registration No. 3128531 Japanese Utility Model Publication No. 5-43705

However, the technique as in Patent Document 1 in the conventional casing improves the assembly workability, but is not waterproof because it is assumed to be used indoors, and cannot be used outdoors. Met.
In addition, the technique as described in Patent Document 2 improves the assembly workability even though it is a waterproof structure, but uses a lot of joints by welding, frame assembly by corner metal fittings, and water stop by caulking. I need it.
In addition, in the technique as described in Patent Document 3, the reliability and ease of maintenance of the waterproof structure are improved, but the opening of the housing can be arranged only on the front surface, and improvement in workability of assembly and wiring is not expected. There was a problem.

  The present invention has been made to solve the above-described problems, and is a housing that ensures the reliability of the waterproof structure without taking time for manufacturing and improving the workability of assembly and wiring. The purpose is to provide a body.

  A housing according to the present invention includes a top plate having an end portion bent in an L-shape, a side plate having an end portion that is disposed so as to surround the top plate and is bent in a U-shape, A flange that is disposed under a joint where the end of the top plate and the end of the side plate are joined, and is formed so as to cover the seam from the inside; and the flange is L-shaped. The both ends of the formed flat plate are formed in a frame member that is bent to the side where the end portions are opposed to each other.

  According to the housing of the present invention, assembly and wiring workability can be improved, waterproofness can be secured, and the time required for production can be reduced by simplifying the structure.

It is a perspective view which shows the structure of the housing | casing in Embodiment 1 of this invention. It is a perspective view which shows the main frame of the housing | casing shown by FIG. It is sectional drawing of the frame member which comprises the main frame in Embodiment 1 of this invention. It is a perspective view before joining of the upper corner part in the main frame of the housing | casing shown by FIG. It is a perspective view at the time of joining of the upper corner part in the main frame of the housing | casing shown by FIG. It is a perspective view before joining of the lower corner part in the main frame of the housing | casing shown by FIG. It is a perspective view at the time of joining of the lower corner part in the main frame of the housing | casing shown by FIG. It is sectional drawing which looked at the housing | casing in Embodiment 1 of this invention from the right side surface. It is a perspective view of the housing | casing in Embodiment 2 of this invention. It is an inner side perspective view of the front panel of the housing | casing in Embodiment 2 of this invention. It is an inner side perspective view of the front panel of the housing | casing in Embodiment 3 of this invention. It is sectional drawing which looked at the housing | casing in Embodiment 3 of this invention from the right side surface. It is an inner side perspective view of the front panel of the housing | casing in Embodiment 4 of this invention. It is a perspective view of the leaf | plate spring member in Embodiment 4 of this invention. It is sectional drawing which looked at the housing | casing in Embodiment 4 of this invention from the right side surface.

Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the configuration of the housing according to the first embodiment of the present invention as viewed from the front lower side.
In FIG. 1, a housing 1 is configured by attaching an upper panel 3, a front panel 4, a rear panel 5, a left panel 6, and a right panel 7 to a main frame 2. Each panel 3 to 7 has its four corners welded at least once with a general-purpose processing machine such as a press brake on the four sides around a plate material such as a steel plate. Specifically, the upper panel 3 that is a top plate is bent four times around the plate material in an L shape, for example, and is welded at four corners. Further, the front panel 4, the rear panel 5, the left panel 6, and the right panel 7, which are side plates, are bent inward at 90 degrees twice around the four sides of the plate material into a U-shape. Also in each panel 4 to 7 which is a side plate, the four corners are welded. Each panel 3 to 7 is attached to the main frame 2 with screws.

FIG. 2 is a perspective view when the main frame 2 of the housing 1 shown in FIG. 1 is viewed from the front lower side. The main frame 2 is composed of a total of 12 frame members including four corner frames 8, four left-right direction frames 9, and four front-rear direction frames 10.
FIG. 3 is a cross-sectional view of a frame member constituting the main frame 2. The corner frame 8, the left-right direction frame 9, and the front-rear direction frame 10 that are frame members are shapes in which a flat plate cut by a general-purpose cutting machine such as a shear or slitter is bent three times by a general-purpose processing machine such as a press brake in the longitudinal direction. It is. Specifically, the corner frame 8, the left-right direction frame 9, and the front-rear direction frame 10, which are frame members, are bent three times with the flat plate inside. The corner frame 8, the left-right direction frame 9, and the front-rear direction frame 10 that are frame members have a structure in which both ends of a flat plate formed in an L shape are bent to the side where the end portions are opposed to each other. It has the rising part 14 which is the edge part of a member. The flat plate material is a steel plate, and the frame member is a sheet metal part obtained by bending the steel plate.

FIG. 4 is an enlarged view showing a state before the upper corner portion of the main frame 2 shown in FIG. 2 is joined. As shown in FIG. 4, in the processed corner frame 8, left-right direction frame 9, and front-rear direction frame 10, a notch portion 11 is formed at the ends of the left-right direction frame 9 and the front-rear direction frame 10. The notch portions 11 are joined to each other to play a role of positioning the frame members. Therefore, the size of the cutout portion 11 may be appropriately determined depending on the size of the cross-sectional shape.
FIG. 5 is an enlarged view showing a state when the upper corner portion of the main frame 2 shown in FIG. 2 is joined. The notched portion 11 shown in FIG. 4 is joined to each other and welded to form the welded portion 12.

FIG. 6 is an enlarged view showing a state of the lower corner portion of the main frame 2 shown in FIG. 2 before joining. As shown in FIG. 6, in the processed corner frame 8, left-right direction frame 9, and front-rear direction frame 10, a notch portion 11 is formed at the end of the corner frame 8 and the left-right direction frame 9. The notch portions 11 are joined to each other to play a role of positioning the frame members. Therefore, similarly to the upper corner portion, the size of the cutout portion 11 may be determined as appropriate depending on the size of the cross-sectional shape.
FIG. 7 is an enlarged view showing a state when the lower corner portion of the main frame 2 shown in FIG. 2 is joined. The notched portion 11 shown in FIG. 6 is joined to each other and welded to form the welded portion 12. As described above, the main frame 2 of the housing 1 in the first embodiment can be manufactured by welding only at the eight corners.

FIG. 8 is a cross-sectional view of the casing according to Embodiment 1 of the present invention as viewed from the right side. As shown in FIG. 8, a flange portion 13 is formed by a rising portion 14 of the left and right direction frame 9 so as to cover the seam from the inside under the seam where the front panel 4 and the left and right direction frame 9 are joined. The corner frame 8, the left-right direction frame 9, and the front-rear direction frame 10, which are the frame members of the main frame 2, all have the shape shown in FIG. The flange 13 is disposed under a joint where the end of the top panel 3 that is the top plate and the end of the front panel 4, the rear panel 5, the left panel 6, and the right panel 7 that are the side plates are joined to each other. It is formed so as to cover the seam from the inside. Moreover, the collar part 13 is also formed in the corner frame 8 arrange | positioned along the seam which the side edge parts of a side plate contact | connect. The flanges 13 formed on the corner frame 8 are formed with the flanges 13 formed on the left and right direction frames 9 and the front and rear direction frame 10 at four corners on the upper panel 3 side of the main frame 2 to which the frame members are joined. Communicate. It is not necessary that all four corners communicate with the flange 13 formed on the corner frame 8, and it is sufficient that at least one corner is communicated.
By forming the flange 13, rainwater or the like entering from the gap between the panels is discharged outside through the flange 13 without entering the inside of the housing 1. Further, the dimension of the rising portion 14 of the frame member in contact with the panel may be appropriately determined according to the amount of water expected to flow into the collar portion 13.

As described above, according to the first embodiment, assembling and wiring workability can be improved by adopting a casing configuration with the panel and the main frame 2. Moreover, waterproofness is securable by comprising the collar part 13 by the panel and the main frame 2. FIG. Furthermore, since the main frame 2 is manufactured with few welding points, the time required for manufacturing can be reduced.
The casing 1 in the first embodiment is used as an envelope that houses devices such as a power panel and an operation panel. Moreover, you may use as a housing | casing of the apparatus which integrated the power conditioner for each charging / discharging of photovoltaic power generation (PV: photovoltaic) and an electric vehicle (EV: electric vehicle). Further, the present invention is not limited to these, and any product that is installed outdoors and requires waterproofing can be applied.

Embodiment 2. FIG.
FIG. 9 is a perspective view of the casing according to the second embodiment of the present invention as viewed from the front upper side. FIG. 10 is a perspective view of the front panel of the housing according to the second embodiment of the present invention as viewed from the inside and above. 9 and 10, the same reference numerals as those in the first embodiment are the same as those in the first embodiment, and thus the description thereof is omitted.
Generally, the design of the front surface of the housing 1 is required. In a housing having a general structure in which a front panel or a door is opened and closed using a hinge or the like, it is relatively easy to have a structure in which a panel dividing portion is not disposed on the front surface. However, in a casing having a structure in which the peripheral panel is attached to the main frame with screws or the like, the degree of freedom in dividing the peripheral panel is reduced.

As shown in FIG. 10, the front panel 4 has a structure having a welded portion 12 in which the four sides of the front panel 4 are each bent 90 degrees inward twice and the four corners of the front panel 4 are joined by welding. In the second embodiment, the size of the front panel 4 may be the outermost dimension of the housing 1 or a dimension larger than that. That is, the dimension of the front panel 4 is the same as or larger than the outermost dimension of the front panel mounting portion of the main frame 2. Thereby, the designability when viewed from the front of the housing 1 is improved. Also in the second embodiment, as in the first embodiment, the front panel 4 and the main frame 2 are formed with the flange portion 13 as shown in FIG.
In addition, the structure of this Embodiment 2 is not limited to the front panel 4, It is possible to set suitably optimally in consideration of the surface where designability is calculated | required.
As described above, according to the second embodiment, the assembly and wiring workability can be improved without impairing the design, and the waterproof property can be secured, and the work time required for the production can be reduced. Can do.

Embodiment 3 FIG.
FIG. 11 is a perspective view of the front panel of the housing according to the third embodiment of the present invention as viewed from the inside and below. In the third embodiment, the same reference numerals as those in the first and second embodiments are the same as those in the first and second embodiments, and the description thereof will be omitted. In the third embodiment, the structure of the front panel 4 may be the same as that of the second embodiment, and a plate spring member 15 manufactured by bending spring steel is attached above the inside of the front panel 4. The leaf spring member 15 may be attached to the front panel 4 by adhesion or spot welding.

FIG. 12 is a sectional view of the housing according to the third embodiment of the present invention as viewed from the right side. The rising portion 14 of the left-right frame 9 is gripped by the leaf spring member 15 attached to the front panel 4 and the inner surface of the front panel 4. At this time, the size and quantity of the leaf spring member 15 may be appropriately determined according to the size and mass of the front panel 4. Needless to say, the structure provided with the leaf spring member 15 of the third embodiment should not be applied only to the front panel 4, but may be applied to other panels as needed.
As described above, according to the third embodiment, the number of screws for fixing the front panel 4 to the main frame 2 can be reduced, so that not only the work time required for assembly can be reduced, but also the design of the housing can be further reduced by reducing the screws. Can be improved.

Embodiment 4 FIG.
FIG. 13 is a perspective view of the front panel of the housing according to the fourth embodiment of the present invention as viewed from the inside and below. FIG. 14 is a perspective view of the leaf spring member 15 according to the fourth embodiment of the present invention as viewed from the front upper side. In the fourth embodiment, the same reference numerals as those in the third embodiment are the same as those in the third embodiment, and the description thereof will be omitted. In the fourth embodiment, the leaf spring member 15 manufactured by bending spring steel is attached to the upper side of the front panel 4 by adhesion or spot welding as in the third embodiment.
13 and 14, the plate spring member 15 is formed along the width direction of the front panel 4, and the L-shaped cross section is formed between the plate spring portion 17 and the plate spring portion 17. It has a character-shaped portion 16.

  FIG. 15 is a cross-sectional view of the housing according to the fourth embodiment of the present invention viewed from the right side. As shown in FIG. 15, in the fourth embodiment, as in the third embodiment, the rising portion 14 of the left-right frame 9 is gripped by the leaf spring member 15 and the inner surface of the front panel 4. Yes. In Embodiment 4, since the leaf spring member 15 has a long dimension formed along the width direction of the front panel 4, the leaf spring member 15 covers the rising portion 14 of the left-right frame 9 over a wide range. Further, water such as rain water that can enter from the boundary between the upper panel 3 and the front panel 4 is blocked by the L-shaped portion 16, and further, it is difficult to enter the inside of the housing 1. In addition, the L-shaped portion 16 can also serve as a reinforcing member for the front panel 4, and thus contributes to improving the rigidity of the front panel 4.

In the fourth embodiment, the size of the leaf spring member 15 and the dimension of the L-shaped portion 16 may be appropriately determined according to the size and mass of the front panel 4 as in the third embodiment. is there. Further, the structure in which the leaf spring member 15 of the fourth embodiment is provided is not limited to the front panel 4 and is the same as that of the third embodiment.
As described above, according to the fourth embodiment, it is possible to further improve the waterproof performance by making it difficult for moisture such as rainwater to enter, and at the same time, it is possible to improve the rigidity of the panel.
It should be noted that within the scope of the present invention, the embodiments can be freely combined, or the embodiments can be appropriately modified or omitted.

1: casing, 2: main frame, 3: upper panel, 4: front panel, 5: rear panel,
6: Left panel, 7: Right panel, 8: Corner frame, 9: Horizontal frame,
10: front-rear direction frame, 11: notch, 12: welded part, 13: collar part,
14: rising portion, 15: leaf spring member, 16: L-shaped portion,
17: Leaf spring part.

Claims (6)

A top plate having an end bent in an L shape;
A side plate that is disposed so as to surround the top plate and has an end that is bent into a U-shape;
A flange that is disposed under a seam where the end of the top plate and the end of the side plate are joined, and is formed so as to cover the seam from the inside;
The said collar part is formed in the frame member by which the both ends of the flat plate formed in the L shape were bent to the side which an edge part opposes. A main frame formed by joining a plurality of the frame members;
The top plate and the side plate are attached to the main frame,
The case according to claim 1, wherein the side plate has a size equal to or larger than an outermost dimension of an attachment portion of the side plate of the main frame. A leaf spring member is attached to the side plate above the inside of the side plate,
The casing according to claim 1 or 2, wherein the bent frame member in contact with the side plate is held by the leaf spring member. The leaf spring member is attached along the width direction of the side plate,
The casing according to claim 3, wherein the leaf spring member has an L-shaped portion formed between the leaf spring portion and the leaf spring portion.   The casing according to any one of claims 1 to 4, wherein the frame member is a steel plate. It has another collar part arranged on the inner side where the side edges of the side plates are in contact with each other,
The said another collar part is connected in the corner | angular part by the side of the said top plate to which the said collar part and the said frame members were joined, The any one of Claims 1-5 characterized by the above-mentioned. Housing.

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