JPS638577Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Purpose of the invention [Field of industrial application] This invention relates to a case, particularly a case for housing electronic equipment, etc.

[Prior Art] As a case for housing electronic equipment, etc., beams and columns are usually assembled as described in Utility Model Publication No. 129404 of 1972 and as schematically shown in Fig. 10. It is constructed by attaching panels to a frame, and can be made of steel or aluminum. In the case shown in the above-mentioned Utility Model Publication No. 129404 of 1972, columns are not used, and the vertical load is borne by the panel board B. A pillar may also be used as shown at 35.

[Problems that the invention aims to solve] However, in such conventional casings, there are problems such as weight, structural strength, positional relationship between panels and columns, number of parts,
There is a problem with the method of fixing columns and beams. That is, devices whose casings are made of steel in order to increase structural strength are considerably heavy, which poses a problem in transportation. Furthermore, when the casing is made of aluminum in order to reduce weight, the cross-sectional shape of the pillar in that case is an angle material, for example, as shown in Figure 1, but the strength is not necessarily sufficient, and the pillar There was a problem with the problem of deflection. In addition, in the conventional case, as shown in FIG. 12, the panel 53 is attached to the outside of the pillar 54 with screws 55, so that, for example, when an impact lateral load is applied to the case while the case is being transported, In addition, since the structure is such that the impact lateral load is transmitted from the column 54 to the panel 53 via the screw 55, if the screw 55 breaks, the column 5
There is no transmission of force between 4 and panel 53,
The panel 53 no longer functions as a strength member, causing a reduction in the structural strength of the casing. Additionally, due to strength requirements, two or more aluminum extrusions are sometimes combined and used as a single column, as shown by numerals 31 and 32 in Figure 1. The number of aluminum extrusions is increased twice as much, and many extra parts such as fixing screws are required to bind the two or more aluminum extrusions together. Furthermore, with conventional aluminum casings, when connecting columns and beams, etc.
Due to the strength of aluminum columns, it is impossible to directly screw them together in areas where large loads are applied. Therefore, as illustrated in FIG. The connecting fittings are tightened with bolts 51, etc., and the columns and beams are connected by the frictional force between the columns and beams and the connecting fittings, so if a large impact load is applied, the positional relationship between the two will change. There was a fear that it would collapse.

This idea was made in view of the above circumstances, and it is light in weight, easy to transport, and has sufficient strength even when aluminum is used as the main constituent material of the casing such as columns and beams. This eliminates the problem of column deflection, and even when columns and beams are made of extruded aluminum,
It has sufficient strength even when the columns and beams are constructed as a single unit without combining two or more, and by being able to configure the columns and beams as a single unit, the number of man-hours required for processing the columns and beams can be reduced. In addition, the number of parts can be reduced by eliminating the need for fixing screws, etc., which are required when combining two or more columns, and the connection between the column and beam is reliable, and the position of both at the connection part can be reduced. It is an object of the present invention to provide a housing that does not cause any deviation in the relationship.

(b) Structure of the invention [Means for solving the problem] In response to this purpose, the casing of this invention has pillars erected on both left and right sides of the front surface and on both left and right sides of the rear surface, and the upper ends of the pillars are It has a frame with a top plate fixed to it, a floor member fixed to the lower end of the column, panels are arranged on both left and right sides of the frame, and a groove-shaped cross-sectional shape is formed in the width direction on the top and bottom of the front and rear surfaces. The housing is provided with a decorative panel, wherein the pillar is a hollow body made of aluminum and has a substantially rectangular cross section, and the pillar is provided with a reinforcing member made of a steel plate along the longitudinal direction of the pillar. At the connection part between the column and the top plate and the connection part between the column and the floor member, a solid connection auxiliary fitting is inserted into the longitudinal end of the hollow part of the column, and a solid connection auxiliary fitting is inserted with screws. The top plate or floor member, the column, and the connecting auxiliary fitting are integrally fastened and fixed with screws, and the panel is provided with a tongue piece having a first locking hole near the lower end, and the upper end of the panel is provided with a tongue piece having a first locking hole. A second locking hole passing through the panel in the thickness direction is formed nearby, and the second locking hole is inserted into the second locking hole when the first locking hole is fitted with a locking protrusion formed in the floor member. The panel is fixed to the top plate by screw members passing through the stop holes, and is located between the pillars on the side surface of the casing and is attached to the top plate and the floor member. It is a feature.

The details of this invention will be explained below with reference to the drawings showing one embodiment.

In Figures 2, 3, 4 and 5,
1 is a casing, and the casing 1 includes a frame 2 (FIG. 5). A front door 3 is attached to the front surface of the housing 1, and a rear door 4 is attached to the rear surface. These doors can be removed as shown in FIG. The frame 2 has four pillars 5a, 5b, 5
c, 5d, a top plate 6, and a floor member 7.

As shown in FIG. 6, the pillars 5a, 5b, 5c, and 5d are hollow bodies made of aluminum having a substantially rectangular cross-sectional shape, and are erected on both left and right sides of the front surface of the frame 2 and on both left and right sides of the rear surface. Further, plate-shaped reinforcing members 8 made of steel are attached along the longitudinal direction to the front outer circumferences of the columns 5a and 5b and the rear outer circumferences of the columns 5c and 5d. A top plate 6 is fixed to the upper ends of the pillars 5a, 5b, 5c, and 5d, and a floor member 7 is fixed to the lower ends.

Particular attention should be paid to the structure of this fixed portion. That is, pillars 5a, 5b, 5c, 5d
A solid block-shaped connecting auxiliary fitting 9 made of aluminum is inserted into the hollow part of the upper end, and the side part of the top plate 6, the column, and the connecting auxiliary fitting 9 are integrally connected with screws 11. do. A similar configuration is adopted for the fixed portion between the pillar and the floor member 7.

Panels 12 are attached to both left and right sides of the frame 2. The panel 12 is supported by the top plate 6 and the floor member 7. As shown in FIGS. 7 and 8, the panel 12 is made of aluminum and has a substantially flat plate shape. A tongue piece 13 extending horizontally is fixed to the lower end of the panel 12, and a vertical locking hole is provided in the tongue piece 13. 14 is formed, and a locking hole 15 is formed in the horizontal direction near the upper end of the panel 12. These locking holes 14, 15
Corresponding to this, the floor member 7 has a locking protrusion 1 in the vertical direction.
6 is formed, and a bracket 17 is provided on the top plate 6. When installing the panel 12, the locking hole 14 and the locking protrusion 16 are engaged, and the locking hole 15 and the bracket 17 are connected. Align and secure with screws. Particular attention should be paid to the position of the panel 12 here. That is, the panel 12 is located between the pillars, and therefore is located as if embedded in the panel between the pillars. With this, the housing 1
An impact load applied to the casing during transportation or the like is transmitted to the panel 12 through the pillars, and the panel 12 functions as a shock absorber and also as a reinforcing material for the pillars. Furthermore, when a plurality of casings 1 are connected and used with this panel 12 attached, it is effective in magnetic shielding and dustproofing between devices.

Long decorative panels 18 are attached to the top plate 6 and the floor member 7 in the width direction of the housing 1 at the top and bottom of the front surface of the housing 1. The decorative panel 18 has a substantially groove-shaped cross-sectional shape, and the open portion of the groove faces the outside of the housing 1. The opening of the groove is closed by a blind lid 19. This decorative panel 18 consists of pillars and top plate 6.
It also functions as a reinforcing member for pillars and floor members, and if a long one that extends outward in the width direction of the housing 1 is used, it can be used as a connecting material when connecting multiple housings adjacently. It can also be used as Furthermore, the blank lid 19 can also be used as a nameplate for the housing 1.

Sashes 21a, 21b are arranged near both sides of the front and rear surfaces of the housing 1, and the sashes 21a, 2
1b is rotatably supported by the decorative panel 18 via a hinge. This satsushi 21a, 21b
is for covering and hiding the panel mounting screws, but the front door 3 and rear door 4 are constructed by sandwiching a door panel made of resin plate, steel plate, aluminum plate, etc. between the sashes 21a and 21b. In this case, the sashes 21a, 21
b functions as a door sash. In this case, by selecting the position of the hinge pin on either the left or right side, the front door 3 and the rear door 4 can be made to open either left or right. Stabilizing legs are provided at the lower end of the casing 1 as necessary. The stable leg 22 has an arm 23. A leg member 24 is supported at the tip of the arm 23 in a vertically adjustable manner, and the other end is pivotally supported by the lower end of the column. When the stabilizing legs 24 are in use, they are made to protrude outward from the casing 1, and when not in use, the arms 23 are rotated and stored close to the front or rear surface of the casing 1.

[Function] In the case 1 configured as described above, a hollow body is used as a column, and a reinforcing material 8 is used in combination with this, and the structural strength is significantly increased with respect to the amount of material used. do. That is, when comparing the conventional casing shown in FIG. 1, which uses front left and right pillars 31, front left and right reinforcing pillars 32, and rear left and right pillars 33, and the casing 1 of this invention, each pillar Assuming that the cross section of has the shape and dimensions shown in Figures 1 and 6, and considering only one side of the housing, (a) (1) Regarding the front pillar: The pillar 31 and the reinforcing pillar 32 are Moment of inertia I _1x , I _1y and column 5 about the x-axis and y-axis when considering the combination as a single member
Moment of inertia about the x-axis and y-axis when b and reinforcing material 8 are combined and considered as a single member
Comparing I _bx and I _by , (I _bx ) / (I _1x ) = 2.11 (∴111.07% increase) (I _by ) / (I _1y ) = 1.11 (∴10.83% increase) (2) Posterior surface Regarding the columns: the second moment of area I _2x , I _2y about the x-axis and y-axis of the column 33, and the column 5d
The moment of inertia about the x-axis and y-axis when considering the combination of and reinforcement material 8 as a single member
Comparing I _dx and I _dy , (I _dx ) / (I _2x ) = 1.739 (∴73.94% increase) (I _dy ) / (I _2y ) = 2.235 (∴123.47% increase) (3) Overall As: Column 31, Auxiliary column 32, Column 33
The moment of inertia when using I _3x ,
Comparing I _3y with the moment of inertia I _{x and I y} when columns 5b, 5d and reinforcements 8 and 8 are used, (I _x ) / (I _3x ) = 1.913 (∴91.33% increase) ( I _y ) / (I _3y ) = 1.044 (∴4.380% increase) As mentioned above, in any case, the increase is 4 to 123%
will increase.

(b) Comparing the cross-sectional area, the overall decrease is 5.88%.

From the above results, in the front pillar, the deflection is reduced by 1/2 or less in the x direction and by 10% in the y direction. In other words, the strength in the x-direction will be more than doubled, and since the deflection of the front pillar in the x-direction is currently a problem with aluminum cases, this point is likely to help solve the problem. It is.

(c) Effects of the invention As described above, in this invention, a hollow body having a substantially rectangular cross section is used as the pillar of the casing, and
By providing the reinforcing material along the longitudinal direction of the column, the cross-sectional area can be reduced while improving the strength of the column. This allows the weight of the casing to be reduced. Moreover, the deflection of the pillar can be reduced.

In addition, in this invention, since the panel is located between the pillars on the side of the housing and is attached to the top plate and floor members, the impact load applied to the housing during transport etc. is transmitted through the pillars. This is transmitted to the panel, and the panel acts as a buffer and reinforcement material for the column, so if the column is made of aluminum extrusion,
Even if the casing itself cannot be expected to have much strength, the casing as a whole can have great strength, reducing the need for reinforcing parts, reducing the number of parts, and simplifying management at the manufacturing stage. It will be easier and cheaper.

Furthermore, as mentioned above, as a result of the high strength of the columns in this invention, even when the columns are made of extruded aluminum, the columns can be constructed as a single unit, eliminating the need to combine two or more columns. , it is possible to reduce the number of man-hours required for processing columns and beams, and it also eliminates the need for set screws, etc., which are required when combining two or more columns.

In addition, in the case of this invention, the column, the top plate, the floor member, and the solid connection auxiliary fitting are connected and fixed using screws that pass through the three parts at the connection part between the column, the top plate, and the floor member. Therefore, compared to conventional fixing structures that utilize simple friction, by using both frictional force and the shearing force of the screws, there is a possibility that misalignment will occur in the positional relationship between the column, the top plate, and the floor member. It can be made with no strong structure.

[Brief explanation of the drawing]

Figure 1 is a cross-sectional view showing the pillars of a conventional housing;
The figure is a front view of a casing according to an embodiment of this invention, and FIG. 3 is a rear view of a casing according to an embodiment of this invention.
Fig. 4 shows the main parts of the casing according to an embodiment of this invention, with the casters, stabilizing legs, front door, rear door, and hanging metal fittings removed from the casing according to the embodiments of Figs. 2 and 3. A perspective view, FIG. 5 is an exploded partial view of the main parts of a casing according to an embodiment of this invention, FIG. 6 is a cross-sectional view showing a column of a casing according to an embodiment of this invention, and FIG. 7 8 is a plan view of the panel, FIG. 9 is a side view showing the stabilizing legs, FIG. 10 is a perspective explanatory view showing an example of a conventional casing, and FIG. A perspective explanatory diagram showing an example of the structure of a column-beam connection part in a conventional housing, and a twelfth
The figure is an explanatory plan view showing the positional relationship between columns and beams in a conventional housing. 1... Housing, 2... Frame, 5a, 5b, 5c,
5d...Column, 6...Top plate, 7...Floor member, 8...
Reinforcement material, 12... Panel, 18... Decorative panel.

Claims (1)

[Scope of utility model registration request] Pillars are erected on both the left and right sides of the front surface and the left and right sides of the rear surface, a frame is provided with a top plate fixed to the upper end of the column, and a floor member is fixed to the lower end of the column, and the frame has a frame on both the left and right sides of the frame. The housing is provided with decorative panels having a groove-shaped cross section in the width direction on the top and bottom of the front and rear surfaces, the column being a hollow body made of aluminum and having a substantially rectangular cross section. and is provided with a reinforcing material made of a steel plate along the longitudinal direction of the column, and a hollow part of the column is provided at the connection part between the column and the top plate and the connection part between the column and the floor member. A solid connecting auxiliary fitting is inserted into the longitudinal end of the section, and the top plate or floor member, the pillar, and the connecting auxiliary fitting are integrally fastened and fixed with screws, and the panel A tongue piece having a first locking hole is provided near the lower end, a second locking hole penetrating in the thickness direction of the panel is formed near the top end, and the first locking hole is When the panel is fixed to the top plate by a screw member that passes through the second locking hole while being engaged with a locking protrusion formed on the floor member, the A casing located between pillars and attached to the top plate and the floor member.