JP3523768B2 - Assembled box - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame structure of a box body in the case where a monitoring console or a switchboard for monitoring and operating the status of an electric system or various equipment is composed of an assembled box body. is there.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 11, generally, a prefabricated box is constructed by using a quadrangular prism frame made of extruded aluminum alloy. In the figure,
Reference numeral 1 denotes a height-direction frame which constitutes the height direction of the box body, and has T-shaped mounting grooves 1a and 1b on its outer surface. Reference numeral 2 denotes a depth direction frame that constitutes the depth direction, and similarly has a T-shaped mounting groove like 2a and 2b on the outer surface. 3 is a width-direction frame that constitutes the width direction.
It has a T-shaped mounting groove like a and 3b. These three-direction frames 1, 2, and 3 are, for example, Japanese Industrial Standards JI.
Although the one formed by applying the regulation of the extruded aluminum alloy profile according to S-H4100 is used, a structural material such as drawing steel may be used. Reference numeral 4 is a door, and 5 is a connecting fitting for connecting the intersecting three-direction frames 1, 2 and 3, which is formed by bending a metal plate into an L shape. Reference numeral 6 is an instrument mounting plate for mounting internal instruments and the like.

FIG. 12 is a partial cross-sectional view of a part of the joint portion of the three-direction frames 1, 2, 3 as seen from above. In the figure, as shown in FIG. 13 (b), 7 is a connecting L-shaped nut fitting formed by bending a metal plate into an L shape, and is a mounting groove between the height direction frame 1 and the depth direction frame 2. 1a, 2
a, and the mounting grooves 1b and 3a between the height direction frame 1 and the width direction frame 3 are fitted. 8 is shown in FIG.
As shown in (a), a connecting nut fitting formed in a square shape with a metal plate is inserted into the mounting groove 2b of the depth direction frame 2 and the mounting groove 3b of the width direction frame 3. Reference numeral 9 denotes a bolt, which is used to connect the connecting portions of the frames 1, 2, and 3 by tightening the connecting fitting 5 to the connecting L-shaped nut fitting 7 or the connecting nut fitting 8. Note that FIG.
In FIG. 1, the connection of the joints of the frames 1, 2, and 3 in the three directions is shown in only one place, but the other joints are similarly connected.

In FIGS. 15 and 16, reference numeral 10 designates a diamond-shaped metal fitting for mounting which is formed of a metal plate, and is fitted in the mounting groove 2a of the depth direction frame 2 for fixing the equipment mounting plate 6 with the bolt 9. Used for. This mounting rhombus nut 10 is mounted on the mounting groove 2 after the assembled box body is constructed.
It is formed with a width dimension narrower than the mounting groove 2a so that it can be fitted into a. Note that FIG. 14 is a cross-sectional view showing an example of the shapes of the mounting grooves such as the mounting grooves 1a, 2a, and 3a of the three-direction frames 1, 2, and 3. 11 is the door 4
Is a packing for, as shown in FIG. 11 and FIG.
Adhesive material 1 for height direction frame 1 and width direction frame 3
It is adhered by two.

Next, a procedure for connecting the three-direction frames 1, 2, 3 to form an assembling type box body will be described. Figure 1
In FIG. 2, first, the mounting grooves 1b 1 and 3a between the height direction frame 1 and the width direction frame 3 communicate with each other. Therefore, the connecting L-shaped nut fitting 7 is inserted into the mounting grooves 1b 1 and 3a.
Apply the fitting 5 and tighten it with the bolt 9. Mounting groove 1a between the height direction frame 1 and the depth direction frame 2,
Since the 2a is also in communication, the connecting L-shaped nut fitting 7 is inserted into the mounting grooves 1a and 2a, and the connecting fitting 5 is applied and tightened with the bolt 9. The mounting grooves 2b, 3b between the depth direction frame 2 and the width direction frame 3 are not communicated with each other because the height direction frame 1 is located between them. Therefore, the mounting groove 2
Connecting nut fittings 8 are respectively inserted into b and 3b, and the fitting fittings 5 are applied and tightened with bolts 9. In this way, the frame of the assembly type box body as shown in FIG. 11 is constructed.

The instrument mounting plate 6 for attaching the internal instrument is fixed to the frame after the frame of the prefabricated box is constructed.
Therefore, for example, when fixing the instrument mounting plate 6 between the pair of depth-direction frames 2, the mounting rhombus nut 10 is fitted into the mounting groove 2a, and the bolt 9 is used for the mounting rhombus nut 10. The instrument mounting plate 6 is screwed on. At this time, the attachment rhombus nut 10 is pivoted as shown in FIG. 15 and is fixed so as not to come off from the attachment groove 2a. The packing 11 is adhered to the height direction frame 1 and the width direction frame 3 by the adhesive material 12 as described above.

[0007]

The frame structure of the invention try to solve problems is above the conventional prefabricated box body, but using a mounting rhombus nut 10 upon fixing of the bowl fixture attachment plate 6, mounting rhombus in the height direction frame 1 When the nut 10 is fitted, it is difficult to hold it in place. Furthermore, the mounting rhombus nut 10 may rotate and fall out of the mounting groove due to vibration or shock. The packing for doors also has a problem in that the structure is adhered to the frame, so that the adhering work is troublesome, and depending on the adhesive or the adhering work condition, the adhering may be insufficient and peeling may occur.

The present invention has been made in order to solve the above problems, and solves the problem that the diamond-shaped mounting nut 10 for fixing the device mounting plate rotates and falls out of the mounting groove. The purpose is to get the body.

Another object of the present invention is to provide a prefabricated box which facilitates the installation of packing for the door and solves the problems such as the peeling of the packing.

[0010]

SUMMARY OF THE INVENTION (1) prefabricated box body according to the present invention, taken form the width direction, the depth direction, the height direction of the frame profile having a Tsukemizo, into the mounting groove The internal fitting mounting plate is screwed to the mounting nut fitting that is formed by integrally joining the three-direction frame by screwing the connecting fitting to the inserted connecting nut fitting and is fitted in the mounting groove. In the assembled type box body, the mounting nut fitting has a rotation preventing portion and a burring processed portion having a locking projection formed at the tip thereof, and the push spring fitted in the burring processed portion is locked by the projection. In addition to the above, the rotation preventing portion of the mounting nut fitting is press-engaged with the engaging portion formed in the mounting groove by a pressing spring.

(2) In addition, the assembly type box body of (1) above
In addition , the packing for the door having the fitting protrusion fitted into the mounting groove of the frame is installed.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Reference Example 1 FIG. 1 is a perspective view showing an assembly-type box body that is a reference example 1 of the present invention, and FIGS. 2 and 3 are drawings showing in detail a connecting fitting which is a main part of the reference example 1 . In the figure, reference numeral 1 is a height direction frame that constitutes the height direction of the box body, and 1 on the outer surface.
It has a T-shaped mounting groove like a and 1b. 2 is a depth direction frame that constitutes the depth direction, and similarly 2 on the outer surface
It has a T-shaped mounting groove like a and 2b. Numeral 3 is a width-direction frame that is formed in the width direction.
It has a T-shaped mounting groove like 3b. These three-direction frames 1, 2, and 3 are the above-mentioned conventional three-direction frames 1,
It is similar to a few. Reference numeral 4 is a door, 6 is an instrument mounting plate for mounting internal instruments, 9 is a bolt, and 11 is a door packing, which is the same as the conventional one. Although not shown in FIG. 1, in the reference example 1 , the conventional connecting L-shaped nut fitting 7, connecting nut fitting 8 shown in FIGS.
The mounting rhombus nut 10 is used as before. Reference numeral 13 is a connecting fitting which is an essential part of Reference Example 1 .

The connecting fitting 13 of Reference Example 1 will be described with reference to FIGS. 2 and 3. FIG. 2C is a top view of the connecting fitting 13, and the frames 1, 2, 3 in the three directions concerned are shown by a chain line. FIG. 2A is a front view of the connecting fitting 13. FIG. 2B is a left side view. Connection fitting 1 above
3 is formed by bending a metal plate, and FIG. 3 shows a developed view of the metal plate before bending. In this development view, ..., ..., And ... × ... × ... are fold lines, and when one is mountain-folded, the other is valley-folded. For example,
..... is valley-folded and .x ... x ... is mountain-folded to form the connecting fitting 13 shown in FIG. … ・ ・ ・ ・ ・ ...
By making a mountain fold and ... × ... × ... a valley fold, a connecting fitting 13 symmetrical to that shown in FIG. 2 is formed. In addition, 13
Reference numeral a is an auxiliary metal fitting portion, and the auxiliary metal fitting portion 13a may be omitted for connecting the frames 1, 2, and 3 in three directions, but can be used for attaching the side cover of the prefabricated box body.
Further, when a plurality of prefabricated boxes (for example, a monitoring console) are installed side by side, they can be used for mutual connection. The auxiliary metal fitting 13b can also be used for attaching a side cover or the like by providing a screw hole.

Next, the assembling of the assembling type box body by the three directions of the frames 1, 2, 3 and the connecting fitting 13, the instrument mounting plate 6, the door 4 and the like as described above will be explained. First, in each of the corner portions of the frames 1, 2, and 3 in three directions, an L-shaped nut fitting 7 for connection (not shown) and a nut fitting 8 for connection (not shown) are provided in the respective mounting grooves 1a, 2a, 3a. )
Insert. The connecting fitting 13 is connected to the connecting L-shaped nut fitting 7 (not shown) or the connecting nut fitting 8 with the bolt 9.
(Not shown). The door 4 and the instrument mounting plate 6 are mounted by screwing a rhomboid nut 10 (not shown) for mounting in the same manner as in the conventional case. The auxiliary metal fittings 13a and 13b of the connecting metal fitting 13 are attached to a side plate (not shown) of the box body,
Alternatively, it is used for connection with an adjacent prefabricated box that is arranged in parallel. In FIG. 1, the three-direction frame 1,
The connection of the two and three connecting portions is shown only at one place, but the other connecting portions are also connected in the same manner.

As described above, according to the first reference example , the three-directional frame 1 and the three-directional frame 1,
Since two and three are connected, the number of parts is small and assembly can be performed in a short time. In particular, since the assembly angle of the mutual relationship between the frames 1, 2, and 3 in the three directions is regulated by the three-way integrated connecting fitting 13, the assembly type box body is always constructed with high accuracy.
Further, when mounting the side plate or connecting with the adjacent prefabricated box that is arranged in parallel, the auxiliary metal fitting portion 1 of the connecting metal fitting 13
3a is effectively used.

Reference Example 2 In Reference Example 1 described above, the connecting nut fitting 8 shown in FIG. 13 is used as the connecting nut fitting to be inserted into a portion where the mounting grooves do not communicate with each other in the joint portion of the three-direction frame. Further, as shown in FIG. 5, the use of the connecting fitting nut 14 with the connecting plate makes it easier to screw the connecting fitting 13. That is, in FIG. 4 and FIG.
5 is a nut fitting with a connecting plate for connection of Reference Example 2, which is provided with a connecting plate part 14a that connects the intermediate parts obliquely as shown in FIG. This nut fitting with connecting plate 14 for connecting
Is used in a portion where the mounting groove 2b and the mounting groove 3b do not communicate with each other, such as a joint portion between the depth direction frame 2 and the width direction frame 3 in FIG. The connecting groove 1a and the mounting groove 2a and the connecting groove 1a and the mounting groove 3a communicate with each other by using the connecting L-shaped nut fitting 7 shown in FIG.

According to the second reference example , the conventional nut fitting 8 is replaced with a nut fitting 14 having a connecting cross plate portion so that the fitting can be accurately positioned.
The connection fitting 13 can be easily screwed. Also, the number of parts is reduced.

Embodiment 1 . 6 to 9 show Embodiment 1 of the present invention.
6 is a sectional view showing the mounting groove of the frame, and FIG.
Explanatory drawing, figure about insertion state of rhombus nut metal fittings for installation
8 is a portion showing a tightened state of the mounting rhombus nut fitting
FIG. 9 is a sectional view showing a rhombus nut fitting for mounting according to the present invention.
FIG. In Reference Example 1 described above, the attachment of the instrument attachment plate 6 for attaching the internal instrument is configured such that the attachment diamond nut fitting 10 fitted in the attachment groove 2a is tightened with the bolt 9; If the nut fitting is provided with a rotation preventing portion and the rotation preventing portion is engaged with the engagement portion formed in the mounting groove, tightening becomes easy. Further, if a push spring is provided on the back surface to maintain the engagement between the rotation preventing portion and the engaging portion, the attachment of the instrument mounting plate 6 becomes easier.
As will be described later, the problem of falling off due to vibration or shock can be solved.

That is, in FIGS. 6 to 9, reference numeral 21 is an engaging portion of a pair of protrusions formed in the mounting groove 2a of the frame 2, and 22 is a push spring holding groove. 15
Is a rhombus nut fitting for mounting according to the present invention.
As shown in, the burring portion 15a is provided so as to project to the center of the back surface (upper side in the drawing), and the locking projection 15b is formed at the tip thereof. This burring part 15
The screw for screwing the bolt 9 is cut in a.
A pair of engaging grooves 15c corresponding to the engaging portions 21 formed in the mounting groove 2a are provided on the surface (lower side in the drawing).
A pressing spring 16 is provided in the burring portion 15a as shown in FIGS. 8A and 8B, and is locked by the locking projection 15b so as not to fall out.

The above-mentioned rhombus nut fitting 15 for mounting and the pressing spring 16 are used as shown in FIGS. 7 and 8A and 8B. First, as shown in FIG. 7, the mounting rhombus nut fitting 15 provided with the push spring 16 is fitted into the mounting groove 2a in a state of a one-dot chain line. Then, as shown by the solid line, by rotating the attachment rhombus nut fitting 15, the engaging portion 21
The engaging groove 15c is engaged with. The fitted diamond-shaped nut fitting 15 for mounting is moved to a predetermined position, and the instrument mounting plate 6 is screwed by the bolt 9 as shown in FIG. According to the first embodiment, since the push spring 16 is engaged so as not to fall off by a simple structure in which the burring portion 15a of the attachment rhombus nut fitting 15 is simply provided with the locking projection 15b, the push spring 16 is engaged. The attached diamond nut fitting 15 for attachment is inexpensive, and since the push spring 16 does not fall out, fitting into the mounting groove 2a is facilitated. In addition, the engaging portion 21 may be a portion of the mounting groove 2a as the engaging portion instead of the protrusion as illustrated. Also, the engaging groove 1
5c is not limited to the groove, and may be a protrusion that engages with a part of the mounting groove 2a.

Further, if the frame to which the instrument mounting plate 6 is screwed is a horizontal portion, the engaging groove 21c can be engaged with the engaging portion 21 even if the pressing spring 16 is omitted. As a result, the mounting rhombus nut fitting 15 does not rotate and come off due to vibration or shock. The mounting groove 2a
Even if those corresponding to the engaging portion 21 and the push spring holding groove 22 in the above are provided in each of the frames 1, 2, and 3, the connecting L-shaped nut fitting 7 and the connecting cross plate nut fitting 14 are different from those of the above-described embodiment. You can insert it as well.

Embodiment 2 . In the first reference example , the packing 11 for the door is shown as being adhered to the frame with an adhesive material, but the installation becomes easy if it is installed by being fitted into the frame. That is, 17 is a packing according to the present invention, and as shown in FIG. 10, a fitting projection 17a is provided on the back surface. When the packing 17 is installed, the packing 17 is replaced by the packing 11 in FIG. 1 and is pushed into the mounting grooves (not shown) of the height-direction frame 1 and the width-direction frame 3.
For example, FIG. 10 is a diagram showing a state pushed into the mounting groove 3d in the width direction frame 3 in cross sectional view.

When the packing 17 is installed in this way, no adhesive is needed and no adhesive is used, so that the work is facilitated and the fear of peeling the packing 17 is eliminated.

[0024]

Since the present invention is constructed as described above, it has the following effects. (1) Width direction, depth direction, and height for profiles with mounting grooves
For connection by forming a frame of the direction and inserting it in the mounting groove
By screwing the connecting bracket to the nut bracket,
Formed by integrally connecting the rams and fitting into the mounting groove
Screw the internal device mounting plate to the mounted mounting nut fitting.
In the assembled type box body configured as described above, the mounting nut fitting is provided with a rotation preventing portion, the rotation preventing portion is engaged with the engaging portion formed in the mounting groove, and the rear surface is provided with a push spring.
Therefore , the attachment rhombus nut fitting 15 does not rotate and come off. In addition, it is a benzalkonium be screwed a device attachment plate to move the mounting rhombus nut fitting 15 is fitted even height direction of the frame in place. (2) Further , since the push spring can be attached by the locking projection of the burring portion of the rhombus nut, the rhombus nut and the push spring can be easily attached, and the manufacturing cost can be reduced. (3) Also, the packing for the door, which has the fitting projection on the back, improves the workability because no adhesive is required.
The worry of the packing peeling is also eliminated.

[Brief description of drawings]

FIG. 1 is a perspective view showing a prefabricated box body according to a first reference example of the present invention.

2A and 2B are a front view, a side view, and a plan view showing a connecting fitting of Reference Example 1 .

FIG. 3 is a development view of a connecting fitting of Reference Example 1 .

FIG. 4 is an explanatory diagram regarding an insertion state of a connecting L-shaped nut fitting and a connecting cross plate nut fitting according to a second embodiment of the present invention.

FIG. 5 is a perspective view of a connecting L-shaped nut fitting and a connecting cross plate nut fitting of Reference Example 2 ;

FIG. 6 is a sectional view showing a mounting groove of the frame according to the first embodiment of the present invention.

FIG. 7 is an explanatory diagram regarding an inserted state of the attachment rhombus nut fitting in the first embodiment of the present invention.

FIG. 8 is a partial cross-sectional view showing a tightened state of the attachment rhombus nut fitting in the first embodiment of the present invention.

FIG. 9 is a perspective view showing an attachment rhombus nut fitting according to the first embodiment of the present invention.

FIG. 10 is a cross-sectional view showing an installed state of the door packing according to the second embodiment of the present invention.

FIG. 11 is a perspective view showing a structure of a conventional assembly-type box body.

FIG. 12 is a partial sectional view of a conventional connecting fitting and nut fitting.

FIG. 13 is a perspective view of a conventional nut fitting.

FIG. 14 is a sectional view showing a mounting groove of a conventional frame.

FIG. 15 is an explanatory diagram regarding an insertion state of a conventional diamond-shaped metal fitting for attachment.

FIG. 16 is a partial cross-sectional view showing a use state of a conventional diamond nut fitting for attachment.

FIG. 17 is a cross-sectional view showing an installed state of a conventional door packing.

[Explanation of symbols]

1, 2, 3 frames, 1a, 1b, 2a, 2b, 3
a, 3b mounting groove, 4 door, 6 instrument mounting plate, 7 connecting L-shaped nut fitting, 9 bolt, 11 packing, 13
Connection fitting, 14 Nut fitting with cross plate for connection, 14a
Crossing plate part, 15 Rhombic nut fitting for mounting, 15c
Non-rotating part, 16 push spring.

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-52-72679 (JP, A) JP-A-9-189317 (JP, A) Actual opening 49-106621 (JP, U) Actual opening 64-- 43212 (JP, U) Actually open 3-8477 (JP, U) Actually open 63-48010 (JP, U) Actually open 5-30528 (JP, U) Actually open 62-150869 (JP, U) Actual Development Sho 61-141617 (JP, U) Actual Public Sho 50-21437 (JP, Y1) Actual Public Sho 28-8177 (JP, Y1) Actual Public Sho 50-13516 (JP, Y1) (58) Fields investigated (Int.Cl. ⁷ , DB name) A47B 47/02

Claims (2)

(57) [Claims] 1. A frame having widthwise direction, depthwise direction, and heightwise direction is formed of a shape member having a mounting groove, and the coupling metal fitting inserted into the mounting groove is screwed with the coupling metal fitting to form the three-dimensional structure. It is formed by integrally connecting the directional frames,
Further, in the assembly type box body in which the internal device mounting plate is screwed to the mounting nut fitting fitted in the mounting groove, the mounting nut fitting has a rotation preventing portion and a locking projection at the tip. And a push bar fitted to the burring processed part is configured to be locked by the locking projection, and a rotation preventing part of the mounting nut fitting is formed in the mounting groove. An assembling type box body, wherein the pressing portion is pressed and engaged with the engaging portion. 2. The assembly-type box body according to claim 1, further comprising a packing for a door, the packing having a fitting projection to be fitted into a mounting groove of the frame.