JP2001355616A - Frame structure of equipment body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the accurate frame structure for,equipment body, and to standardize members by simplifying the structure for connecting frame members to each other. SOLUTION: Each frame member is provided with a connecting part to be overlapped with other crossing frame member at both ends thereof, and provided with a positioning means and a fixing means in relation to other frame members in this connecting part for combination with other frame members.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame formed by a sheet metal bending member, and a door, a side plate,
The present invention relates to a frame structure of a housing for accommodating an electric device, an electronic device, and the like in which a bottom plate and a ceiling plate are attached.

[0002]

2. Description of the Related Art FIG.
FIG. 9 is a perspective view of a conventional housing frame disclosed in Japanese Patent Publication No. 7-No. In the figure, a basic frame structure 110 includes four height direction frame members 101, four depth direction frame members 102, and four width direction frame members 103, and all of these members 101, 102, 1
Numerals 03 are fixed perpendicularly to each other at eight corners. FIG. 27 shows the frame members 101, 102, 10
3 is an exploded perspective view showing a means for fixing the frame members 3 perpendicularly to each other at a corner portion, and shows each of the frame members 101, 102, 1;
A corner member 104 is used for joining and connecting the third and third members 03.

The corner member 104 constitutes a one-piece integral element, and has three mutually perpendicular rectangular block-like projections 142 projecting outward from three mutually perpendicular surfaces 144 of the block portion 146. ing. The rectangular block-shaped protrusion 142 is formed by the frame members 101, 102, 1
03 has the same cross-sectional shape or contour as the cross-sectional opening 148 but is slightly smaller in size so that it can be slidably inserted into the cross-sectional opening 148 of the frame member. A screw hole 150 is provided to penetrate from the outer surface 152 to the inner surface 153 of the block-shaped protrusion 142.
Three locking setscrews 156 as fixing means are screwed into the screw holes 150. That is, the frame member 10
Holes 16 are provided at predetermined positions on outer walls 124 of
0 is provided, and when the frame members 101, 102, 103 and the corner member 104 are assembled, the hole 16
0 coincides with the screw hole 150, and the set screw 156 can be screwed in. As shown in FIG. , 103 are fixed to each other.

[0004]

The conventional frame structure of the housing is constructed as described above. A separate corner member 104 is required for joining the frame members at the corners. And frame members 101, 1
02, 103 and the variation in the insertion position of the frame member into the corner member 104, the frame member 10
It is difficult to ensure the joining accuracy between the first, second, and third members, and the shape of the end portion of the frame member is different between the height direction frame member 101, the width direction frame member 102, and the depth direction frame member 103. When manufacturing and assembling are complicated, and when welding is used to obtain high strength at the junction of the corners, the number of welding points increases, and it requires rework time and skilled skills to correct the occurrence of distortion And so on.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a frame structure of a housing which enables frame members to be connected to each other without a corner member and has high positioning accuracy between the frame members. By providing the same shape of the end of the frame member, to obtain a frame structure of the housing that can be assembled with standardized members, furthermore, there is no distortion of the frame member due to the joining of the corner, It is an object of the present invention to obtain a frame structure of a housing that does not require rework after joining and can be assembled without special tools or skilled skills.

[0006]

A frame structure of a housing according to a first aspect of the present invention is a frame member composed of two right-angled walls, and both ends of the frame member are perpendicular to each other. And a frame member provided with a means for positioning with another frame member and a means for fixing the connection portions to each other.

A frame structure of a housing according to a second aspect of the present invention is a combination of a positioning means for positioning a frame member and a frame member having a plurality of fixing means for connecting connecting portions of the frame member. It is configured.

According to a third aspect of the present invention, there is provided a frame structure of a housing which is formed by combining a frame member having a plurality of walls in addition to two walls forming a connecting portion by a frame member.

According to a fourth aspect of the present invention, there is provided a frame structure for a housing, comprising a frame member fixed by an adhesive in addition to mechanical fixing means for fixing the connecting portions of the frame members. It was done.

A frame structure of a housing according to a fifth aspect of the present invention is constructed by combining a frame member joined by welding, in addition to mechanical fixing means for fixing connecting portions of the frame member. It is a thing.

According to a sixth aspect of the present invention, there is provided a frame structure for a housing, wherein a positioning means and a fixing means are provided on a wall constituting a frame member at the same interval as the positioning means and the fixing means provided with a connecting portion. Are combined.

According to a seventh aspect of the present invention, there is provided a frame structure of a casing, wherein the frame member is formed of a tubular shape including four right-angled walls including two walls constituting a connecting portion, and two flanges and a frame member are further formed. When combined, the flanges of adjacent frame members are configured to contact.

[0013] A frame structure of a housing according to claim 8 of the present invention is configured such that when the ends of two flanges are bent along the pipe length and the frame members are combined, a gutter-like portion is formed. It is.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a basic frame structure 110 according to Embodiment 1 of the present invention. As shown in the figure, the basic frame structure 110 includes four height direction frame members 1, four depth direction frame members 2, and four width direction frame members 3.
, And all these members are vertically fixed to each other at eight upper and lower corners. FIG. 2 is a perspective view showing the shape of the end portion 17 of the frame members 1, 2, and 3.
FIG. 3 is a perspective view showing a cross-sectional shape of the frame member along the line aa in FIG. 2. In FIGS. 2 and 3, each of the frame members 1, 2, and 3 has a U-shaped cross-sectional shape including three walls 4, 5, and 6, which are integrally manufactured by sheet metal bending. Two adjacent walls 4,5 and walls 5,6 are perpendicular to each other. Further, both ends of the adjacent walls 5 and 4 extend in the pipe length direction from the end of the wall 6 to form coupling surfaces 7 and 8, respectively. Further, the coupling surface 8 is stepped inward at the end of the wall 6 by an amount corresponding to the thickness of the wall, that is, in the extending direction of the wall 6. Counterbore holes 9, 10, 11, and 12 prepared for countersunk rivets are formed in the coupling surface 7, and rivet holes 13, 14, 15, and 16 are formed in the coupling surface 8.

FIG. 4 is a view showing the details of the frame members 1, 2, and 3. FIG. 4A is a plan view, FIG. 4B is a front view, and FIG. 4C is a side view. In FIG. 4A, a is a rivet hole 13, 14, 15, 16 (13 ', 14',
15 ', 16') are intervals in the frame member extension direction, and b is an interval in a direction perpendicular to the frame member extension direction. In FIG. 4 (b), A denotes countersink holes 9, 10, 11, 1
2 (9 ', 10', 11 ', 12') are intervals in the direction perpendicular to the frame member extension direction, and B is the interval in the frame extension direction. Here, the interval a is equal to A and b
Is set equal to B, and the shape of the other end 17 ′ facing the one end 17 is symmetrical. Countersinks 9, 10, 11, 12 (9 ', 10', 11 ', 1) which are respectively opened in the coupling surfaces 7, 7', 8, 8 '.
2 '), rivet holes 13, 14, 15, 16 (13',
14 ', 15', 16 ') are NC when the material is flat
(Numerical control) Processing can be easily performed with high accuracy using a processing machine. The joining surfaces 7, 7 'are in the same plane even after forming the frame member by bending, and the countersinks 9, 10, 11, 12 (9', 10 ', 11', 1)
The accuracy of the position 2 ') is kept high. Further, holes (not shown) are formed in the walls 4, 5, and 6, so that mounting holes and the like for mounting components can be mounted in the housing using the holes.

Next, the means for connecting the above frame members will be described. FIG. 5 is a perspective view showing the connecting means of the frame members 1, 2, and 3. In FIG. 5, the coupling surface 7 of the frame member 1 is superimposed and combined on the coupling surface 8 of another orthogonal frame member 2. The countersinks 9, 10, 11, and 12 of the coupling surface 7 are arranged so as to coincide with the rivet holes 13, 14, 15, and 16 of the coupling surface 8 that overlap with the counter holes 9, and are set by setting a rivet 18 here. The frame members 1, 2, 3 are positioned with high precision and are firmly connected. FIG. 6 is an enlarged perspective view of the connecting portion in a connected state. In FIG. 6, each orthogonal frame member 1, 2, 2,
Reference numeral 3 denotes a connected state, and there is a connection surface 7 with a high positional accuracy of the rivet holes on all surfaces. As described above, in the first embodiment, the frame members 1, 2, and 3 can be manufactured at low cost by bending a sheet metal, and the coupling surfaces 7, 8 provided integrally at the ends of the frame members overlap each other. It is positioned and fixed with high precision by driving a rivet into it, eliminating the need for a corner member used as a connecting and fixing member. Thus, a highly accurate frame structure of the housing can be obtained. Furthermore, the frame members have exactly the same shape and configuration, so that standardization is possible, and the production time can be greatly reduced by stock production.

Embodiment 2 FIG. In the first embodiment, four countersink holes and rivet holes provided in the end connection surfaces 7, 8 of the frame members 1, 2, 3 have been described. However, the number of these holes is not limited. In short, the connecting surface 7 of the frame member is 8
It is only necessary that all the countersunk holes and rivet holes match in a state where the rivets are overlapped with each other. FIG. 7 shows details of a frame member when the number of rivets is set to six, and FIG. FIG. 1B is a front view, and FIG. 1C is a side view. FIG.
In (a), a is the rivet hole 19,20,2.
1, 2, 23, and 24 are intervals in the frame member extension direction, and b1 and b2 are intervals in a direction perpendicular to the frame member extension direction. In FIG. 7 (b), A represents countersink holes 25, 2
6, 27, 28, 29, 30 are intervals in the direction perpendicular to the frame member extension direction, and B1, B2 are intervals in the frame member extension direction. Where a is equal to A and b1,
b2 is set equal to B1 and B2, respectively. Furthermore, the shape of the end 17 'facing the end 17 is symmetric. FIG. 8 is an enlarged perspective view showing a state in which the frame members 1, 2, and 3 are joined. By increasing the number of rivets as described above, a stronger connection can be obtained.
The coupling accuracy is improved.

Embodiment 3 In the above-described first embodiment, a case is shown in which the frame member is constituted by the coupling surfaces 7 and 8 and the three walls 4, 5, and 6. However, the frame member may be constituted by four walls that have been bent once more. . FIG. 9 is a perspective view showing the shape of one end 17 of the frame members 1, 2, 3 according to the third embodiment. FIG. 10 is a perspective view showing the cross-sectional shape of the frame member along the line aa in FIG. FIG. 9 and 1
At 0, each frame member 1, 2, 3 has four walls 4,
It has a ladle shape composed of 5, 6, 31 and is manufactured by bending sheet metal. That is, the edge of the wall 6 becomes the corner 32, where it is bent outward at a right angle to the wall 31.
Is provided, whereby a frame structure of a housing having high bending rigidity can be provided.

Embodiment 4 Embodiments 1, 2, and 3
In this example, the frame members are joined by a mechanical joining means using rivets, but in order to obtain higher joining strength, as shown in FIG.
After that, the two fixing means for fixing with the rivet 18 may be used in combination.

Embodiment 5 In addition to the connection by the rivet, in order to obtain a higher joining strength, as shown in FIG. 12, after fixing with the rivet 18, further, for example, jump welding or continuous fillet welding along the area of the corner portion 34 may be performed. Often, this welding point may be inside the frame member other than the corner portion.

Embodiment 6 Embodiments 1, 2,
In the frame members 3, 4, and 5, internal mounting components are mounted by forming holes or screw holes in a wall constituting the frame member. As shown in FIG. , 8 (7 ', 8') are formed in the wall constituting the frame member at the same interval as the rivet holes formed in the frame member. That is, FIG. 13A shows, for example, the connection surface 7 on the wall constituting the frame member of the third embodiment.
Alternatively, rivet holes 35, 36
Is a plan view of the frame member, (b) is a side view,
(C) is a front view. FIG. 14A is a front view of a frame structure including the frame members of FIG. 13, and FIG.
Shows side views. Reference numerals 37 and 38 denote frame members for mounting internal mounting components, which are fixed by using rivet holes which are standardly opened in the wall of the frame member. By adopting such a structure, it becomes possible to attach frame members having the same end shape as the frame members 1, 2, 3 to portions other than the end portions thereof. Can be made up of only standardized frame members all having the same end profile.

Embodiment 7 FIG. Embodiments 1, 2, and 3
Has basically shown the frame structure of a housing that is installed indoors, but in Embodiment 7, the frame structure of a housing that can be installed outdoors is shown. FIG. 15 is a perspective view showing a basic frame structure 110 according to Embodiment 7 of the present invention, in which four height-direction frame members 1 ′, four depth-direction frame members 2 ′, and four width-direction frame members 3 ′. , And these members are vertically fixed to each other at eight upper and lower corners. FIG. 16 is a perspective view showing the shape of one end 39 of the frame members 1 ', 2', 3 ', and FIG. 17 is a sectional perspective view of the frame member taken along the line aa in FIG. . 16 and 17
In the above, each of the frame members 1 ', 2', 3 'is formed in a rectangular and closed tube shape having four walls 40, 41, 42, 43, and is manufactured by bending one sheet metal. Two adjacent walls 40, 43 begin to contact at a corner 44 of the wall 43, and the wall 40 extends outward in a planar manner and continues to the wall 41 via a corner 45. The wall 43 is bent outward from the corner 44 along the wall 40, and is bent 180 degrees at the tip 46 to form a flange 47. On the other hand, two adjacent walls 41 and 42 start contacting each other at a corner 48 of the wall 42, extend outwardly, and bend 180 degrees at a continuously integrated tip 49 to form a flange 50. In addition, 51 is a corner where the walls 42 and 43 are continuous. Then, the flanges 47, 5
0 exists along the length of the tube. Also, the adjacent wall 4
2, 43 are opposite walls 40, 4 as shown in FIG.
1 further extends in the pipe length direction from the end of
8 are formed. Further, the connecting surface 8 is bent inward at the ends of the walls 40 and 41 by an amount corresponding to the thickness of the wall,
The connecting surface 7 has countersunk holes 9, 10, 11, 12 for countersunk rivets.
Is opened, and the rivet holes 13, 14, 1
5, 16 are established. FIG. 18 is a detailed view of the frame members 1 ', 2', and 3 '. FIG. 18A is a plan view, FIG. 18B is a front view, and FIG. 18C is a side view. One end 39 of the frame member has a shape symmetrical to the other end 39 ', and countersinks 9, 10, 11 formed in the coupling surfaces 7, 7', 8, 8 'formed at the ends. , 12 (9 ', 1
0 ', 11', 12 '), rivet holes 13, 14, 1
5, 16 (13 ', 14', 15 ', 16') can be easily processed with high positional accuracy by an NC (numerical control) processing machine in a state where the material is a flat plate. The connecting surfaces 7, 7 'are in the same plane even after forming the frame member by bending, and the countersinks 9, 10, 11, 12 of the connecting surfaces 7, 7' respectively.
The positional accuracy of (9 ', 10', 11 ', 12') is kept high. Further, holes (not shown) are formed in the walls 40 and 41, and the mounting holes and the like for mounting components can be mounted in the housing using the holes. FIG. 19 is an exploded view of the sheet metal of the frame members 1 ', 2', and 3 '. FIG. 20 is a perspective view showing the connecting means of the frame members 1 ', 2', 3 '. Similar to the above-described embodiment, the rivet is combined with the connecting surface 8 so that the connecting surface 7 overlaps. The position is fixed by 18.

FIG. 21 is a perspective view showing a means for sealing a gap between the joints of the frame members against water or the like when there is a gap. FIG. 21 (a) shows frame members 1 'and 2'. , 3 'is an external perspective view of the basic frame structure at the corner where the frame member is joined.
In addition to performing continuous bead welding along the range, sealing is performed, and the connection between the frames is strengthened. FIG.
As shown in (b), the sealing may be performed by performing continuous bead welding along the area of the corner inner joint 53 to which the frame members 1 ', 2', 3 'are joined.

FIG. 22 is a perspective view showing an image of assembling a housing using the basic frame structure 110. The left side panel 54, the right side panel 55, the top plate 56, and the bottom plate 57 are not shown, such as bolts or screws. It is attached to the basic frame structure 110 with a fastening member. Further, the front door 58 and the rear door 59 are mounted to be freely opened and closed by a hinge structure (not shown). FIG. 23 is a cross-sectional view of the housing shown in FIG. 22, showing the front door 58, the left side panel 54, and the right side panel 5
5, packings 60 are continuously mounted on the inner side surfaces of the rear door 59 at positions facing the flanges 47 and 50 when attached to the basic frame structure 110. The packing 60 is compressed and adhered by the flanges 47 and 48 to form a dust-proof / drip-proof structure. The top plate 5
6, the bottom plate 57 is also provided with packing in the same manner as the panels 54 and 55 and the doors 58 and 59, and a dustproof / dripproof structure is configured.

By adopting the above-described structure, the positioning accuracy between the frame members is high, and a frame structure of an outdoor housing having a dustproof / dripproof structure can be obtained.
Since housings of various specifications can be manufactured by combining standardized members such as a ceiling plate and a bottom plate, stock production of members can be performed, thereby shortening a manufacturing period and reducing costs. Although the frame structure of the housing has been described as being for outdoor use, the same effect can be obtained without any problem even if this is used as an indoor housing. Further, although welding is applied to the seal at the joint of the frame member, joining means such as using an adhesive may be used. Further, holes of a standardized size may be provided in the frame member at a predetermined pitch to mount the internally mounted components.

Embodiment 8 FIG. In the seventh embodiment,
Although the flanges 47 and 50 have a so-called flat shape extending straight, a configuration as shown in FIG. 24 may be adopted. FIG. 24A is a perspective view showing the shape of one end 39 of the frame member, and FIG.
FIG. 4 is a sectional view of a frame member. In the figure, the ends of the flanges 47, 50 are formed with bent portions 61, 62 facing the walls 43, 42, that is, inward, so as to be symmetrical with respect to the plane connecting the corner 45 and the corner 51. In the assembled state, the flanges 47 and 50 are configured to have a gutter shape. FIG. 25 is a cross-sectional view showing a front door 58 of the housing similar to that of FIG. 22, and a relational configuration between the top plate 56 and the horizontal frame member 3 '. Since water collects at the bottom of the gutter-shaped flange 50, Packing 46 and flange 44
Thus, it is difficult to penetrate into the housing from the contact portion, and thereby a frame structure of the housing having higher drip-proof property can be obtained.

[0027]

According to the frame structure of the housing according to the first aspect of the present invention, there is provided a frame member composed of two right-angled walls, and both ends of the frame member are orthogonal to each other. Since a connecting portion that is combined with the member is provided, and the connecting portion is configured by combining a frame member provided with a positioning unit with another frame member and a fixing unit between the connecting portions, the manufacturing cost is reduced. A frame structure of a housing that is low and can easily maintain high assembly accuracy without adjustment can be obtained. Furthermore, the standardization of the frame member is possible, and the production period is shortened by stock production.

According to the frame structure of the housing according to the second aspect of the present invention, since the frame member positioning means and the frame member having a plurality of fixing means are combined, a stronger connection is obtained. And the accuracy of assembly is improved.

According to the frame structure of the housing according to the third aspect of the present invention, the frame member is constituted by combining a frame member having a plurality of walls in addition to the two walls forming the connecting portion by the frame member. Thus, a frame structure of a housing having higher bending rigidity can be obtained.

According to the frame structure of the housing according to the fourth aspect of the present invention, the frame member is formed by combining the frame member fixed by the adhesive in addition to the mechanical fixing means for fixing the connecting portion of the frame member. Therefore, it is possible to obtain a frame structure of the housing having higher joining strength.

According to the frame structure of the housing according to the fifth aspect of the present invention, in addition to the mechanical fixing means for fixing the connecting portion of the frame member, the frame member is formed by combining the frame members joined by welding. Therefore, it is possible to obtain a frame structure of the housing having higher joining strength.

According to the frame structure of the casing according to the sixth aspect of the present invention, the positioning means and the fixing means are provided on the wall constituting the frame member at the same interval as the positioning means and the fixing means provided on the connecting portion. Since the frame members are configured in combination, frame members having the same end shape as the frame members in the height direction, the width direction, and the depth direction can be attached to portions other than the end portions of the frame members. Since the body frame and the frame for mounting the internally mounted components are all provided as standardized members having the same shape, stock production of the members is possible, and the production time and cost can be reduced.

[0033] According to the frame structure of the housing according to claim 7 of the present invention, the frame member is formed in a tubular shape having four right-angled walls including two walls forming a connecting portion.
When the two flanges and the frame member are combined, the flanges of the adjacent frame members are configured to be in contact with each other. In addition to being able to obtain, housings of various specifications can be manufactured by combining standardized members such as side plates, doors, ceiling plates, bottom plates, etc.
The production period can be shortened and the cost can be reduced. There is no problem even if this is used for indoor use, and the same effect is obtained.

According to the frame structure of the casing according to the eighth aspect of the present invention, when the ends of the two flanges are bent along the pipe length and the frame members are combined, a gutter-like portion is formed. Therefore, it is possible to obtain a frame structure of a casing having higher drip-proof property.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a basic frame structure of a housing according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a shape of an end of the frame member according to the first embodiment of the present invention.

3 is a sectional perspective view of the frame member taken along line aa in FIG. 2;

FIG. 4 is a detailed view of a frame member according to the first embodiment of the present invention, wherein (a) is a plan view, (b) is a front view, and (c).
Is a side view.

FIG. 5 is a perspective view showing coupling means of the frame member according to the first embodiment of the present invention.

FIG. 6 is a perspective view of a coupling portion of the frame member according to the first embodiment of the present invention.

FIG. 7 is a detailed view of a frame member according to a second embodiment of the present invention, wherein (a) is a plan view, (b) is a front view, and (c).
Is a side view.

FIG. 8 is a perspective view showing a connected state of frame members according to Embodiment 2 of the present invention.

FIG. 9 is a perspective view showing one end of a frame member according to Embodiment 3 of the present invention.

FIG. 10 is a sectional perspective view of the frame member taken along the line aa in FIG. 9;

FIG. 11 is a perspective view showing coupling means of a frame member according to Embodiment 4 of the present invention.

FIG. 12 is a perspective view showing a connected state of frame members according to Embodiment 5 of the present invention.

FIG. 13 is a detailed view of a frame member according to Embodiment 6 of the present invention, where (a) is a plan view, (b) is a side view,
(C) is a front view.

14 shows a frame structure according to a sixth embodiment of the present invention, wherein (a) is a front view and (b) is a side view. FIG.

FIG. 15 is a perspective view showing a basic frame structure according to a seventh embodiment of the present invention.

FIG. 16 is a perspective view of one end of a frame member according to Embodiment 7 of the present invention.

FIG. 17 is a perspective view showing a section taken along line aa in FIG. 16;

FIG. 18 is a detailed view of a frame member according to Embodiment 7 of the present invention, where (a) is a plan view, (b) is a front view,
(C) is a side view.

FIG. 19 is a developed view of a sheet metal of a frame member according to Embodiment 7 of the present invention.

FIG. 20 is a perspective view showing a connecting means of a frame member according to a seventh embodiment of the present invention.

FIGS. 21A and 21B are views showing a joint portion of a frame member according to Embodiment 7 of the present invention, wherein FIG. 21A is a perspective view seen from the outside of the basic frame structure, and FIG. 21B is a perspective view seen from the inside. .

FIG. 22 is a perspective view showing an assembly image of a housing to which the basic frame structure according to the seventh embodiment of the present invention is applied.

FIG. 23 is a sectional view of a housing to which the basic frame structure according to the seventh embodiment of the present invention is applied.

FIG. 24 is a diagram showing a frame member according to Embodiment 8 of the present invention, where (a) is a perspective view of one end,
(B) is sectional drawing of a frame member.

FIG. 25 is a cross-sectional view showing a relationship between a front door and a top plate of a housing and a horizontal frame member according to an eighth embodiment of the present invention.

FIG. 26 is a perspective view showing a conventional frame structure.

FIG. 27 is a perspective view showing a conventional frame member connecting means.

FIG. 28 is a perspective view showing a joint portion of a conventional frame member.

[Explanation of symbols]

1,2,3 frame members, 4,5,6 walls, 7,8
Coupling surface, 9, 10, 11, 12 countersink, 13, 14, 1
5, 16 rivet holes, 17 ends, 19, 20, 2
1,22,23,24 Riveted holes, 25,26,2
7, 28, 29, 30 countersink, 31 wall, 33 adhesive, 37, 38 frame member, 40, 41, 42, 4
3 wall, 47,50 flange, 52,53 joint,
54 left side panel, 55 right side panel, 56 top plate, 57 bottom plate, 58 front door, 59 rear door, 61,
62 Bent part, 110 Basic frame structure.

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Sumio Kimura 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Electric Corporation F-term (reference) 3J024 AA14 BA05 CA01 CA03 CA23 CA24

Claims (8)

[Claims] 1. A frame member comprising two right-angled walls, provided at both ends of the frame member with a connecting portion which is overlapped with another orthogonal frame member and is combined with the frame member. A frame structure of a housing, comprising a frame member provided with a positioning means for the frame member and a fixing means for fixing the connecting portions. 2. The housing according to claim 1, wherein a positioning means for positioning the frame member is combined with a frame member having a plurality of fixing means for connecting connecting portions of the frame member. Frame structure. 3. The frame structure of a housing according to claim 1, wherein a frame member having a plurality of walls is combined in addition to the two walls forming the connecting portion by the frame member. 4. The apparatus according to claim 1, wherein a frame member fixed by an adhesive is combined with mechanical fixing means for fixing the connecting portions of the frame members. A frame structure of the housing described in the paragraph. 5. A frame member joined by welding, in addition to mechanical fixing means for fixing connecting portions of the frame members.
The frame structure of the housing according to any one of claims 3 to 3. 6. A frame member provided with a positioning means and a fixing means at the same interval as a positioning means provided with a connecting portion and a fixing means on a wall constituting the frame member. The frame structure of the housing according to any one of the above. 7. The frame member has a tubular shape composed of four perpendicular walls including two walls forming a connecting portion.
The frame structure of a housing according to claim 1, wherein when the two flanges and the frame member are combined, the flanges of adjacent frame members are in contact with each other. 8. The frame structure of a housing according to claim 7, wherein the two flanges are bent along the pipe length to form a gutter-like portion when the frame members are combined. .