JPH07177615A - Housing - Google Patents

Abstract

PURPOSE:To provide a drip-proof and dustproof housing being manufactured easily. CONSTITUTION:The housing for distribution board or control board comprises a framework 1 wherein a reinforcing member 13 is secured previously to a strut 12 by means of general bolts and then subjected to plug welding thus producing an integral depth member 18. Struts 10, 11 are then fixed to the depth member 18 using cup square neck bolts 16 and flush studs thus assembling a housing. Ceiling boards and doors are fixed to the frame 1 as required.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a casing used for a distribution board, a control board and the like.

[0002]

2. Description of the Related Art A conventional frame (frame) for a housing is manufactured by cutting a frame member constituting a frame, for example, equilateral angle steel, to a required length and processing the ends of the equilateral angle steel. This has been done by combining these and welding. According to this method, the frame member is likely to be twisted and distorted. Therefore, according to this method, there is a problem that the work of correcting the twist of the frame member is very troublesome and requires a skilled work.

The present applicant has already proposed a method for solving the above-mentioned problems of the prior art (for example, Japanese Patent Application No. 5-2.
No. 10071). According to the present invention, a reinforcing material is provided in a combination portion of frame members of a housing, a misaligned hole is provided in the reinforcing material, and a bolt is passed through one of the misaligned holes to fix the reinforcing material and the frame member. Furthermore, the other hole of the misaligned hole is used to reinforce the bolt by plug welding. According to the present invention, it is possible to assemble the frame of the housing without causing the frame member to be twisted or the like. Therefore, the strength of the housing can be improved while reducing the number of steps for manufacturing the housing.

[0004]

There is a demand for a housing which is easier to manufacture than the above-mentioned method and has excellent drip-proof and dust-proof properties.

[0005]

In order to achieve the above object, the housing of the present invention comprises a plurality of frame members each constituting a frame of the housing and extending in predetermined directions, and a combination portion of these frame members. A casing having a reinforcing member that abuts each of the frame members and reinforces the casing, and first and second types of fixing members that fix the frame member and the reinforcing member, respectively. The reinforcing member includes at least the frame member extending in at least one predetermined direction, the reinforcing member, and a first fixing member through hole having a size large enough to integrally weld the first type fixing member. And, the frame member, the reinforcing member, and the fixing member of the first type that have a second fixing member through hole that penetrates the fixing member of the second type and extend in one predetermined direction. Is pre-welded together with , The frame member extending in the other direction,
Also, the reinforcing member is fixed by the fixing member of the second type.

Further preferably, the welding is plug welding.
The fixing member of the second type is at least a flashstat provided on a frame member extending in the other direction,
And a round root bolt or one of these. Further, preferably, the housing further has an opening / closing portion, a cylindrical elastic sealing member, and a fixing member for fixing the cylindrical elastic sealing member provided on the frame member facing the opening / closing portion. Then, the cylindrical elastic sealing member,
The cylindrical member is disposed without a gap between the opening / closing part and the frame member facing the opening / closing part, and is fitted to the fixing member to allow the cylindrical sealing member to face the opening / closing part. It is characterized in that it has a fitting member for fixing, and an adhesion member sandwiched between the opening / closing portion and the frame member facing the opening / closing portion and in close contact with them.

[0007]

The reinforcing member is used for fixing in the three directions orthogonal to each other in the combined portion of the frame members, and has a misaligned hole as a predetermined fixing member through hole on one surface thereof.
The other one surface has another through hole for another fixing member having a shape adapted to another type of fixing member. Further, for example, a general bolt is used as the predetermined type of fixing member, and a square root round head bolt is used as the other type of fixing member. Before assembling the entire housing, fix the reinforcing member to both ends of the specified frame member by inserting the bolts through one of the misaligned holes, and then perform the plug welding using the other of the misaligned holes, and integrate them in advance. Formed in advance.

When assembling the entire housing, another frame member is fixed to the reinforcing member arranged on the frame member by using square root round head bolts to form the frame of the housing. Since the square root round head bolt does not rotate by itself due to the action of the square root part, it is necessary to suppress the rotation of the nut on one side of the frame member and the bolt on the opposite side of the frame member, which is required when using a general bolt. The work of turning is unnecessary, and the efficiency of the case assembly work is improved. Further, by dividing the case assembly work into these two stages, the efficiency of the case assembly work is further improved.

Further, as another fixing member, a flash stat provided in advance in another frame member and a corresponding through hole for another fixing member provided in the reinforcing member are used, so that the frame member having the reinforcing member and the other The positioning with the frame member is facilitated, and the efficiency of the housing assembly work is improved. Rail-shaped sealing member (packing) having a fitting member and a contact member
By using, the drip-proof property and dust-proof property of the opening / closing part (door part) of the housing and the efficiency of the housing assembling work are improved.

[0010]

[Embodiment 1] A first embodiment of the housing of the present invention will be described with reference to FIGS. FIG. 1 is a diagram showing an overall configuration of a frame 1 of a housing of the present invention, FIG. 2 is a perspective view showing a configuration of a reinforcing material 13 shown in FIG. 1, and FIG. 3 is a reinforcing material shown in FIG. 13 is a perspective view for explaining a method of fixing the column 13 and the column 10, and FIG. 4 is a diagram for explaining plug welding in which the column 12, the reinforcing member 13, and the bolt 15 shown in FIG. 1 are integrally welded, FIG. 5 shows the columns 10, 11 shown in FIG.
It is a figure explaining the method of assembling the reinforcement material 13 using the square root round head bolt 16 and the flash stat 17, and FIG. 6 shows the support | pillars 10 and 11 and the reinforcement material 13 shown in FIG. It is a figure explaining the method of assembling using the root round head bolt 16 and the flash stat 17 from a different viewpoint, FIG. 7 is a perspective view of the combination part of the pillars 10-12, and FIG. FIG. 9 is a diagram illustrating a bolt, FIG. 9 is a cross-sectional view of a fixing portion between the support columns 10 and 11 and the reinforcing member 13 by the square root round head bolt 16 illustrated in FIGS. 1, 5, 6 and 7, and FIG. FIG. 11 is a cross-sectional view of a portion where the strut 11 and the reinforcing material 13 are fixed by the flashstat 17 shown in FIGS. 5, 6 and 7, and FIG. 11 is a cross-sectional view of the housing 2 using the frame of the housing of the present invention. FIG. 12 shows the structure of the housing 2 shown in FIG. It is a perspective view. In these figures and the following description, when the reference numerals of the constituent elements of the frame 1 of the housing are given subscripts such as a and b, these constituent elements are shown individually, and when not attached, Generally indicates.

Hereinafter, referring to FIG. 1, the frame 1 of the housing of the present invention.
The overall configuration of will be described. The frame 1 of the housing is, for example, a framework of a housing used for a switchboard or a control board, and the reinforcing material 13 is previously fixed to the support column 12 using a general bolt 15, and is integrally welded by plug welding. On the formed depth member 18, the pillars 10 and 11 are provided with the round root bolts 16 and the flash stat 17 (not shown in FIG. 1).
It is assembled by mounting using. A ceiling plate, a door and the like are attached to a predetermined portion of the frame 1 of the housing as required to form the housing. Here, the bolt 15 is, for example, a general M6 bolt. In addition, the square root bolt 16 is "JIS B 1171 (196
8) ”and has a square portion (square root) at the base of the screw portion. By inserting the square portion of the square root round head bolt 16 into a square through hole conforming to this shape, the square root round head bolt 1 is fitted with a nut.
It is possible to prevent rotation of the square root bolt 16 when tightening 6.

The columns 10a to 10d, 11a to 11d, 1
2a to 12d are, for example, equilateral angle steels with a plate thickness of 3.2 mm, which are cut to a predetermined length, and each function as a frame member of the frame 1 of the housing. Here, the columns 12a-
12d is provided with a hole having a thread groove for the bolt 15, columns 11a to 11d are provided with holes for a flash stat 17 and a square root bolt 16, and columns 10a to 10d are provided with a round head bolt 16 Holes are provided so as to match the holes of the reinforcing member 13 described later. In addition, among these columns 10a to 10d, 11a to 11d, and 12a to 12d, those denoted by the same reference numerals have the same length.

As shown in FIG. 1, before assembling the entire frame 1 of the housing, reinforcing members 13e and 13h are attached to both ends of the column 12a.
Reinforcing materials 13f and 13g are provided at both ends of the column 12b, respectively.
2c has reinforcing members 13a and 13d at both ends thereof, and support members 12d have reinforcing members 13b and 13c at both ends thereof, which are supported by bolts 15 as will be described later with reference to FIG.
d, 11a to 11d are in contact with each other, and
The pillars 12a to 12d are fixed so as to be orthogonal to each other, and they are further plug-welded to be integrally formed beforehand with the depth member 18a.
Formed as ~ 18d.

When assembling the entire frame 1 of the housing, the reinforcing members 13e of the depth member 18a are provided with the columns 10a and 11a, the reinforcing member 13h is provided with the columns 10b and 11b, and the depth member 1 is provided.
The columns 10d and 11a are provided on the reinforcing member 13f of 8b, the columns 10c and 11b are provided on the reinforcing member 13g, and the depth member 18c is provided.
The columns 10d and 11d are attached to the reinforcement 13a of the
Columns 10c and 11c are provided on d, columns 10a and 11d are provided on the reinforcing member 13b of the depth member 18d, columns 10b and 11c are provided on the reinforcing member 13c, respectively.
6 and the square root round head bolts 16 and the flash stats 17 so as to be orthogonal to each other and to the columns 12a to 12d. An outer surface plate or the like is attached to the frame 1 of the housing manufactured as described above to form a housing that houses, for example, a switchboard.

The structure of the reinforcing member 13 will be described below with reference to FIG. As shown in FIG. 2, the reinforcing materials 13a to 13h
Has a plate thickness of 3.2 mm, for example, and has planes A to C orthogonal to each other. Of these surfaces, surface A is the post 11,
12, the surface B abuts on the columns 10 and 11, and the surface C abuts on the columns 11 and 12. Through holes through which the bolt 15 penetrates at the positions g and h of the surface A, and through holes through which the round root bolt 16 is penetrated at the positions a and b of the surface A (through holes a and b).
Is provided, and the square root round head bolts 16 are provided at positions c to f of the surface B.
Through holes (through holes c to f) for penetrating the
Through-holes (through holes k, l) through which the flash stat 17 penetrates, and through holes (through holes i, j) through which the bolt 15 penetrates at positions i and j on the surface C. ing. Among these through holes, the through holes g to j are bolts 1
5, the shape and size that allow the M6 bolt to pass therethrough, the through holes c to f are the shapes and sizes adapted to the square root portion of the square root round head bolt 16, the through hole a, b has a shape and a size that allow the flash stat 17 to penetrate therethrough. Also,
The through holes g to j are misaligned holes for plug welding, as will be described later with reference to FIG.

Supports 12a-12d and reinforcing members 13a-13
The length of the bolt 15 used for fixing h may be 6 mm or more, and the length is not particularly limited, but the columns 12a to 12d
It is preferable to use a bolt having an appropriate length in consideration of the length of the bolt protruding to the outside of the. That is, since the total thickness of the columns 12a to 12d and the reinforcing members 13a to 13d is 6.4 mm, when using a standard bolt as the bolt 15 and a bolt longer than 6 mm, use a washer to lengthen it. Adjusting the height, or polishing the bolt that penetrated to the opposite side of the column 12 with a sander,
This is because it is necessary to perform treatment so that the outer surface of 0 does not have unevenness.

As described above with reference to FIGS. 1 and 2, in the frame 1 of the housing of the present invention, the reinforcing material 13 corresponds to the reinforcing member of the present invention, and the columns 10 to 12 of the present invention. The bolt 15 corresponds to a predetermined type of fixing member according to the present invention, and the square root bolt 16 and the flash stat 17 correspond to another type of fixing member according to the present invention. In addition, the bolt 15 provided on the reinforcing member 13
The through holes for use in the invention correspond to the predetermined fixing member through holes according to the present invention, and the holes for the round root bolt 16 and the flash stat 17 correspond to the other fixing member through holes according to the present invention.

With reference to FIG. 3, the reinforcing member 13e shown in FIG. 1 will be used as an example to reinforce the reinforcing member 13 shown in FIG. Material 1
A method of attaching the No. 3 to the columns 10 to 12 will be described. It should be noted that the illustration of the surfaces B and C of the reinforcing material 13e is omitted in FIG. As described above, the reinforcing material 13e is
Preliminarily attached to the inside of the column 12a with bolts 15a and 15b, the reinforcing member 13e and the column 12a are shown in FIG.
As will be described later with reference to FIG.

When assembling the entire frame 1 of the housing, the reinforcing material 13e is brought into contact with the inside of the column 10a, and these are fixed by the square root round head bolts 16a and 16b. The through holes a and b of the reinforcing member 13e to which the square root round head bolts 16a and 16b are fixed have a shape matching the square root portions of the round root bolts 16a and 16b, and are inserted from the outside of the column 10a. Attach the rounded head bolts 16a and 16b to the reinforcing material 13e.
Tightened with nuts from the inside of the reinforcement member 13a
And the columns 10a and 11a are fixed. The fixing of the reinforcing member 13 and the support column 12 with the bolt 15 and the fixing of the reinforcing member 13 and the support columns 10 and 11 with the square root round head bolt 16 are other than the surfaces B and C of the reinforcing member 13 and the reinforcing member 13e. It is common to the reinforcing material 13.

The fixing of the support column 12 and the reinforcing member 13 by plug welding will be described below with reference to FIG. Here, FIG.
FIG. 4A is a cross-sectional view of the fixing portion between the column 12 and the reinforcing member 13 by the bolt 15, FIG. 4B is a top view of the fixing portion before the plug welding, and FIG. 4C is the fixing after the plug welding. FIG. 4D shows a top view of the portion, and FIG. 4D shows a method of inserting the bolt 15 into the through hole. The through hole for the bolt 15 provided in the reinforcing member 13 is
As shown in FIG. 4 (D) and the like, it is a misaligned hole, and the bolt 15 is inserted through one of the misaligned holes into the bolt hole (M6 tap screw) having the thread groove of the support column 12 and fixed. It Further, as shown in FIGS. 4 (A) and 4 (C),
Plug welding is performed on the other of the misaligned holes, and the pillar 12 and the reinforcing material 1
3 and 3 are integrally welded to form the depth member 18.

Hereinafter, a method of fixing the depth member 18 and the columns 10 and 11 with the round root bolt 16 and the flash stat 17 will be described with reference to FIGS. As shown for the bolts 15a and 15b in FIG.
At this stage, the reinforcing member 13 and the column 12 are integrally combined to form the depth member 18. As shown for the flash stat 17b in FIGS. 5, 6, and 7, the flash stat 1 provided on the column 11.
7a and 17b are inserted into the through holes k and l of the surface C of the reinforcing member 13, and the reinforcing member 13 is brought into contact with the insides of the columns 10 and 11. Further, the flash stats 17a and 17b are tightened with nuts to fix the support column 11 and the depth member 18.

As shown for the square root bolt 16c in FIG. 7, through holes c, d, which are adapted to the square root portions of the square root bolt 16 provided on the columns 10 and 11 and the reinforcing member 13. Round root bolts 16a to 16d are inserted into the columns e and f from the outside of the columns 10 and 11, and nuts are tightened from the inside of the reinforcing member 13 to fix them. Here, the square root round head bolt 16 has an outer shape as shown in FIG. 8, and FIG. 8A is a side view of the round root round head bolt 16 and FIG.
(B) is a top view. Further, FIG. 9 shows a sectional view of a portion fixed by the round root bolt 16. FIG. 10 shows a cross section of a portion XX ′ of the frame 1 of the housing shown in FIG. 7, and the flashstat 17 has a through hole k of the reinforcing material 13 inside the support 11, as shown in FIG. It is welded vertically according to the position of l. The flash stat 17 facilitates the alignment between the depth member 18 and the support 11.

In order to simplify the process of the frame 1 of the housing, FIG.
~ It may be configured such that only a part of the bolts 15a to 15d shown in Fig. 7 is plug-welded, and the bolts 15a to 1d.
Only a part of the through hole for 5d may be a misaligned hole. Positions of bolts 15, round root bolts 16 and flash stats 17, plate thicknesses of columns 10, 11 and 12, reinforcing member 1
The orientations of 3 and the like are examples, and these positions may be arbitrarily changed according to the size of the frame 1 of the housing, the use, the change, and the like. Further, although the case where both the square root bolt 16 and the flash stat 17 are used has been described in the first embodiment, the frame 1 of the housing may be assembled using either one of them. Good.

In the frame 1 of the housing described in the first embodiment, the pillars 10, 11 and 12 can be easily processed. Therefore, it is easy to mechanize the processing of these columns. Also,
Since the pillar 12 and the reinforcing member 13 are bolted to form the depth member 18, the plugs are welded, and the pillars 10 and 11 are fixed. Therefore, the work is simple and the assembly work does not require skill. Moreover, problems such as twisting and distortion of the frame 1 of the housing are unlikely to occur. Further, since the flash stat 17 is provided on the column 11, the frame 1 of the housing can be accurately manufactured.
Can be assembled. Moreover, since the square root round head bolts are used, it is easy to fix the bolts when tightening the bolts, and it is not necessary to tighten the nuts while suppressing the rotation of the round root round head bolts 16. The workability is improved, such that the number of people can assemble the frame 1 of the housing,
Work time can be shortened.

The above-mentioned bolt 15, square root round head bolt 16,
Further, comparing the case where the flash stat 17 is used and the case where only the bolt 15 is used, in the latter case, there are 64 plug welding points, whereas in the former case, there are 32 points and half. . Along with that, the number of places where tap screw holes are made is also halved. Therefore, in the former case, the manufacturing process of the housing can be reduced as compared with the latter case. Further, in the former case, since it is possible to paint at the stage of assembling the depth member 18, the floor space required for the manufacturing process is narrower than that in the latter case where the painting can be performed only after all the columns are assembled. I'm done.

[0026]

[Second Embodiment] A second embodiment of the casing of the present invention will be described below with reference to FIGS. 11 and 12. FIG. 11 is a cross-sectional view of the housing 2 of the present invention according to the second embodiment as seen from above, and FIG. 12 shows the structure of a housing 3 as a specific example of the housing 2 shown in FIG. It is a perspective view. Hereinafter, the configuration of the housing 2 of the present invention will be described with reference to FIG. The housing 2 is formed by processing the equilateral angle steel used for the columns 10, 11 and 12 of the frame 1 of the housing shown in the first embodiment as a framework of the housing into a shape as shown in FIG. Special L-shaped steel with a thickness of 2.3 mm is used instead of the angle frame columns 21a to 21d. By this change, it becomes possible to realize the same strength as in the case of using the equilateral angle steel having a thickness of 3.4 mm with the angle frame support 21 having a thickness of 2.3 mm.

The angle frame columns 21a to 21d are
Like the frame 1 of the housing, the housing 2 is fixed together with the support columns (not shown in FIG. 11) by using the reinforcing material 13, the bolts 15, the round root bolts 16, and the flash stat 17.
To form the frame. Angle frame columns 21a-21d
Are provided with rails 26a and 26b, and side plates 22a and 22b are attached via inner screw stats 25a to 25d.

Further, the angle frame columns 21c, 2
1d has a back plate 23, an angle frame support 21a,
A door 24 is attached to 21b. Rails 26a, 2
Instrument panel mounting columns 27a and 27b are attached to 6b. Instrument panel mounting columns 27a, 27b
For example, a power distribution device or the like housed in the housing 2 is installed in the. By configuring the housing 2 as described above, it is possible to easily change the position of the instrument panel mounting column 27 by changing the position of screwing to the rails 26a and 26b, and to use the housing 2 for multiple purposes. Can be used for.

The structure of the housing 3 as a specific example of the housing 2 will be described below with reference to FIG. In FIG.
(A) is a perspective view showing the entire housing 3, (B) is a sectional view of AA ′ of the housing 3, and (C) is a sectional view of BB ′ of the housing 3. The components of the casing 3 not described here are the frame 1 and the casing 2 of the casing shown in FIGS. 1 and 11.
Is the same as each component denoted by the same reference numeral. The housing 3 includes a ceiling plate 28 and a pedestal 2 as shown in FIG.
9 and double doors 24a and 24b, and
In order to hold the instrument panel mounting columns 27a, 27b more stably, one rail 26a, 26b is provided on each side. Further, as shown by a dotted line in FIG. 12, doors 22c and 22d can be attached instead of the back plate 23.

FIG. 12B shows the housing 3 shown in FIG.
FIG. 4 is a sectional view of a portion AA of As shown in FIG. 12B, the housing 3 has a packing between the angle frame support 21 and the door 24 in order to enhance the airtightness of the door 24. This packing is attached to the door 24, for example, by applying an adhesive to the entire surface of the packing. In addition, FIG.
FIG. 12C is a sectional view taken along line BB shown in FIG. As shown in FIG. 12C, the case 3 is attached with the angle frame support 21, the side plate 22, and the ceiling plate 28 by using the internal screw stat 25 similarly to the case 2.

[0031]

Third Embodiment Hereinafter, as a third embodiment, FIGS.
A modified example of the housing 3 of the present invention shown in the second embodiment will be described with reference to FIG. FIG. 13 is a cross-sectional view of an angle frame strut 40 as a modification of the angle frame strut 21 shown in FIGS. 11 and 12 and a peripheral portion thereof, and FIG.
13 is a sectional view of the packing 42 shown in FIG. 13 before being attached to the angle frame support 40, and FIG. 15 shows a modification of the method for fixing the side plate 22 of the housing 3 and the angle frame support 21 shown in FIG. FIG. 16 and FIG. 16 are views showing a modified example in which a plate member is fixed to the inside of the angle frame support column 40 shown in FIG. In the modified example of the housing 3 described here, the columns facing the door 24 of the housing 3 and the packing 42 shown in the second embodiment are modified to improve the drip-proof property and the dust-proof property. .

The structure of the angle frame support column 40 and its peripheral portion in which the angle frame support column 21 shown in FIGS. 11 and 12 is modified to improve the drip-proof property and dust-proof property will be described below. Here, FIG. 13 corresponds to a cross-sectional view of a portion indicated by AA in FIG. It should be noted that the angle frame support column 40 and components around it, which are not described here, are the same as the components shown with the same reference numerals in FIGS. 12 and 13. As shown in FIG. 13, the angle frame support column 40 includes a draining mechanism 40.
0, a supporting member 402, and a plate mounting mechanism 404, the draining mechanism 400 includes a door 24 and a ceiling plate 28.
To prevent the ingress of liquid, dust, or the like that enters from between the space and the support member 402, which is used for fixing the packing 42 described later, and the plate attachment mechanism 404 to dispose the plate member and the like as necessary. Used for.

As shown in FIG. 14, the packing 42 is
For example, it is a rail-shaped member made of plastic, rubber or the like, and has a cross-sectional structure as shown in FIG. 14, and has a fitting portion 420 and a contact portion 422. By fitting the fitting portion 420 to the support member 402, the packing 42 is attached to the angle frame support 40.
The airtightness is enhanced by the packing 42. The close contact portion 422 has a hollow cylindrical shape before it comes into close contact with the door 24, and the close contact portion 422 is sandwiched between the door 24 and the water draining mechanism 40 as shown in FIG. The shape is as shown in FIG. Packing 4
2 is characterized in that it is easier to dispose and has higher airtightness than the planar packing shown in FIG.

Here, FIG. 13 shows a boundary portion between the ceiling plate 28 and the door 24 of the housing 3 shown in FIG.
The other boundary portions such as the door 24 and the side plate 22 have the same structure, and the packing 42 is arranged on the angle frame column 40 so as to seal these boundary portions without a gap. When the door 24 is closed, the close contact portion 422 of the packing 42 is sandwiched between the angle frame column 40 facing the door 24 and the door 24 and closely adheres to them to seal the housing 3.
Prevent foreign matter from entering. The water draining mechanism 400 provided on the angle frame column 40 corresponds to the fixing member according to the present invention, and the packing 42 corresponds to the cylindrical elastic sealing member according to the present invention. Further, the fitting portion 420 corresponds to the fitting member of the cylindrical elastic sealing member according to the present invention, and the contact portion 422 corresponds to the contact member according to the present invention.

By fitting the fitting portion 420 of the packing 42 into the draining mechanism 400 and further filling it with a silicone agent, no gap is formed at the joint between the angle frame columns 40 and 41. Therefore, from between the door 24 and the ceiling plate 28,
For example, when mist-like oil or the like enters, it is possible to prevent the mist-like oil from entering the inside of the housing. As a result, the dustproof and dripproof effect of the housing can be improved. By changing the angle frame support column 21 of the housing 3 shown in FIG. 12 to the angle frame support column 40 shown in FIG. 13 and further using the packing 42, for example, a vertical 180
When a water penetration test was performed for a water fountain time of 5 minutes with a housing of 0 × width 1200 × depth 800 mm, a simple drip-proof I
We were able to confirm that the conditions of P55 were met.

Also, in the case of the housing 3 shown in FIG. 13, when arranging the packing on the angle frame support 21, it is necessary to apply an adhesive to the entire surface of the packing and attach it to the door 24. Takes time. However, when the packing 42 is used, this trouble can be greatly saved. Further, according to the modified example of the housing 3 of the present invention described above, it is possible to protect the switchboard, the control panel of the cutting machine, or the like from mist-like oil components or dust generated at the cutting site or the like. is there. In addition, since the drip-proof housing and the dust-proof housing can be realized with the same structure, the parts used in these housings can be made common and the housing cost can be reduced.

In the case of the present invention, as shown in FIG. 15, a side plate 22 is provided with a flash stat 17, and a through hole is provided at a position of the angle frame support 21 corresponding to the flash stat 17 to form the side plate 22. The housing may be assembled by fixing the flashstat 17 with a nut. Further, as shown in FIG. 16, the angle frame support 40 is provided with a flash stat 17 and a reinforcing member for the housing is provided to improve the strength of the housing, or a member for mounting the device is provided to install the device. May be configured for the convenience of the arrangement. The housing of the present invention shown in each of the above-described embodiments is an example, and various configurations can be adopted, for example, as shown here or in the modified examples described in each embodiment.

[0038]

As described above, according to the present invention, it is possible to provide a casing which has sufficient strength, dustproofness, and dripproofness, is easy to manufacture, and has a low manufacturing cost. it can.

[Brief description of drawings]

FIG. 1 is a diagram showing an overall configuration of a frame of a housing of the present invention.

FIG. 2 is a perspective view showing a configuration of a reinforcing member shown in FIG.

FIG. 3 is a perspective view illustrating a method of fixing the reinforcing member and the support shown in FIG.

FIG. 4 is a view for explaining plug welding for integrally welding the support pillar, the reinforcing material, and the bolt shown in FIG.
Is a cross-sectional view of the part where the pillar and the reinforcement are fixed with bolts,
(B) is a top view of the fixed part before plug welding, (C) is a top view of the fixed part after plug welding, (D) shows the insertion method of a bolt in a through hole.

FIG. 5 is a diagram illustrating a method of assembling the support pillar and the reinforcing member shown in FIG. 1 by using a square root round head bolt and a flash stat.

6A and 6B are views illustrating a method of assembling the support pillar and the reinforcing member illustrated in FIG. 5 using a square root round head bolt and a flash stat from different viewpoints.

FIG. 7 is a perspective view of a combined portion of columns.

FIG. 8 is a diagram for explaining a square root round head bolt, FIG.
Is a side view of the square root bolt 16 and FIG. 8B is a top view.

9 is a cross-sectional view of a fixed portion between a support and a reinforcing member by the square root round head bolt shown in FIGS. 1, 5, 6 and 7. FIG.

FIG. 10 is a cross-sectional view of a fixed portion between a support and a reinforcing member by the flashstat shown in FIGS.

FIG. 11 is a cross-sectional view of a housing using the frame of the housing of the present invention.

12 is a perspective view showing the structure of the housing shown in FIG. 11, (A) is a perspective view showing the entire housing, (B) is a sectional view taken along the line AA of the housing, and (C) ) Is a cross-sectional view taken along the line BB of the housing.

FIG. 13 is a cross-sectional view of a modified example of the angle frame column shown in FIGS. 11 and 12 and a peripheral portion thereof.

FIG. 14 is a cross-sectional view of the packing shown in FIG. 13 before being attached to the angle frame column.

FIG. 15 is a diagram showing a modification of the method of fixing the side plate of the housing and the angle frame support shown in FIG.

16 is a diagram showing a modified example in which a plate member is fixed to the inside of the angle frame column shown in FIG.

[Explanation of symbols]

1 ... Casing frame, 2, 3 ... Casing, 10-12 ... Struts, 13
... Reinforcing material, 14 ... Casing frame, 15 ... Bolt, 16 ... Square root round head bolt, 17 ... Flash stat, 18 ... Depth member 21, 40, 41 ... Angle frame support post, 4
00 ... Draining mechanism, 402 ... Support member, 404 ... Plate mounting mechanism, 22 ... Side plate, 23 ... Back plate, 24 ... Door, 2
5 ... Inner screw stat, 26 ... Rail, 27 ... Instrument panel mounting support 27, 28 ... Ceiling plate, 42 ... Packing,
420 ... Fitting part, 422 ... Adhesive part

Claims (3)

[Claims] 1. A plurality of frame members that respectively form a frame of a housing and extend in predetermined directions, and a reinforcing member that abuts each of the frame members at a combination portion of these frame members and reinforces the housing. A casing having first and second types of fixing members for fixing each frame member and a reinforcing member, wherein the reinforcing member is at least the frame member extending in one predetermined direction, and the reinforcing member. And a first fixing member through-hole having a size large enough to integrally weld the first type fixing member, and a second fixing member for penetrating the second type fixing member. The frame member having a through-hole for extending in one predetermined direction, the reinforcing member, and the fixing member of the first type are integrally welded in advance, and the frame extending in the other direction. Members, and
The casing is characterized in that the reinforcing member is fixed by the fixing member of the second type. 2. The welding is plug welding, the fixing member of the second type is a flashstat provided on at least a frame member extending in the other direction,
The housing according to claim 1, further comprising a square root round head bolt or one of these. 3. The housing further includes an opening / closing portion, a cylindrical elastic sealing member, and a fixing member for fixing the cylindrical elastic sealing member provided on the frame member facing the opening / closing portion. However, the cylindrical elastic sealing member is arranged without a gap between the opening / closing part and the frame member facing the opening / closing part, and is fitted to the fixing member so as to form the cylindrical sealing member. A fitting member fixed to the frame member facing the opening / closing portion, and a contact member sandwiched between the opening / closing portion and the frame member facing the opening / closing portion and closely contacting these members. The housing according to claim 1 or 2.