JP2024026956A - Housing for board device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a housing for a board device that can increase mechanical strength.

SOLUTION: A housing for a board device comprises: a vertical frame 31 that has upper end parts; a first frame 11 that extends in a first direction and has end parts; a second frame 21 that extends in a second direction and has end parts; upper side corner connectors 70 that are arranged inside upper side corner parts; and reinforcement fittings 80 that reinforce the upper side corner connectors. The upper side corner connector 70 includes a vertical extension part 63, a first extension part 61, and a second extension part 62. The reinforcement fitting 80 is fixed to an inner surface of the first extension part 61. The first frame 11, first extension part 61, and reinforcement fitting 80 are provided with an insertion hole that communicates in the vertical direction and into which a bolt for lifting can be inserted. The vertical extension part 63 is fastened to the vertical frame 31. The first extension part 61 is fastened to the first frame 11. The second extension part 62 is fastened to the second frame 21.

SELECTED DRAWING: Figure 3

COPYRIGHT: (C)2024,JPO&INPIT

Description

The present disclosure relates to a housing for a panel device.

Conventionally, casings used for switchboards and the like have been created by combining various frames and welding them together. Welding work requires a high degree of skill, and is time-consuming and costly. For this reason, in recent years, panel device casings have been proposed that employ a fastening structure in which various frames are fastened with rivets instead of a welded structure.

For example, the chassis for a panel device disclosed in Japanese Unexamined Patent Publication No. 2004-88933 (Patent Document 1) includes a first plate-like member extending in the horizontal direction, and a first plate-like member formed by bending the first plate-like member. a first connecting engagement portion that extends parallel to the first plate member; a second plate member that extends in the vertical direction and constitutes a housing together with the first plate member; The device includes a second connection engagement portion that is bent and formed on the second plate-like member and extends parallel to the second plate-like member, and a corner connector. The corner connector is installed at a corner of the casing formed by the first plate-like part and the second plate-like part. The corner connector includes a first connecting portion that fits between the first plate member and the first connecting engaging portion, and a second connecting portion that fits between the second plate member and the second connecting engaging portion. The first plate member and the second plate member are connected by the corner connector.

Japanese Patent Application Publication No. 2004-88933

The panel device casing may be lifted and moved, and if the weight of the panel device casing becomes large, the frame constituting the casing may be significantly deformed by its own weight when lifted. Therefore, it is required to increase the mechanical strength of the housing.

The present disclosure has been made in view of the above problems, and an object of the present disclosure is to provide a housing for a panel device that can improve mechanical strength.

A board device housing according to the present disclosure includes a top and bottom frame that extends in the vertical direction and has an upper end, and a top and bottom frame that extends in a first direction orthogonal to the vertical direction and has an end on one side of the first direction. a second frame extending in the vertical direction and a second direction perpendicular to the first direction and having an end on one side of the second direction; and the upper end of the upper and lower frames. , an upper corner connector disposed inside an upper corner formed by combining the end of the first frame and the end of the second frame, and an upper corner connector. A reinforcing device for reinforcing the device. The upper corner connector includes a vertically extending portion extending in the vertical direction, a first extending portion extending in the first direction, and a second extending portion extending in the second direction. ,including. The reinforcing tool is fixed to an inner surface of the first extending portion. The first frame, the first extension part, and the reinforcing tool are provided with an insertion hole that communicates in the vertical direction and into which a lifting bolt can be inserted. The vertically extending portion is fastened to the vertical frame while being in contact with an inner surface of the vertical frame. The first extension portion is fastened to the first frame while being in contact with an inner surface of the first frame. The second extending portion is fastened to the second frame while being in contact with an inner surface of the second frame.

In the panel device casing according to the present disclosure, it is preferable that a nut for fixing the tip of the bolt be welded to the inner surface of the reinforcing tool.

In the panel device housing according to the present disclosure, the first frame has a first outer end located on the outer side in the second direction and a first inner end located on the inner side in the second direction. a first plate-shaped portion extending along the first direction; a first outer side wall portion extending downward from the first outer end; and a first outer side wall extending downward from the first outer end; The first inner side wall portion may be provided so as to face downward. The reinforcing device includes a reinforcing plate that has an outer end located on the outside in the second direction and an inner end located on the inside in the second direction, and that contacts the first extending portion from a lower side. , a reinforcing tool outer side wall section provided downward from the outer end of the reinforcing plate; and a reinforcing tool inner side wall section extending downward from the inner end of the reinforcing plate. , may also be included. The reinforcing device outer side wall portion and the reinforcing device inner side wall portion are located between the first outer side wall portion and the first inner side wall portion. In this case, it is preferable that the reinforcing tool outer side wall part is fastened to the first outer side wall part, and the reinforcing tool inner side wall part is not fastened to the first inner side wall part.

The above-described chassis for a panel device according to the present disclosure is provided with a lower part arranged inside a lower side corner part formed by combining a floor plate part having a floor surface, a lower end part of the upper and lower frames, and the above-mentioned floor plate part. and a side corner fitting. Further, the lower corner connector may include a first member and a second member. The first member may include a first lower vertically extending portion extending in the vertical direction and a first lowerly extending portion extending in the first direction, and the second member may include a first vertically extending portion extending in the vertical direction; may include a second downward vertically extending portion extending in the vertical direction and a second downwardly extending portion extending in the second direction. In this case, it is preferable that the lower side first vertically extending part and the lower side second vertically extending part are fastened to the vertical frame while being in contact with the vertically extending part, and It is preferable that the first extension part and the lower second extension part are fastened to the floor surface while being in contact with the floor surface.

The board device casing based on the present disclosure may include a door portion rotatably provided around a rotation axis parallel to the vertical direction. The door portion may include a front side panel and a back side panel. In this case, the front side panel and the back side panel are preferably fixed with rivets or caulking.

In the panel device casing based on the present disclosure, the door portion may be provided with an opening. In this case, the board device casing may further include a closing member that closes the opening. Furthermore, in this case, it is preferable that the closing member is fixed to at least one of the front side panel and the back side panel with rivets or caulking.

According to the present disclosure, it is possible to provide a housing for a panel device that can improve mechanical strength.

FIG. 2 is a perspective view of a panel device casing according to an embodiment. FIG. 2 is a perspective view showing a state in which the door is removed from the panel device casing according to the embodiment. FIG. 3 is a perspective view showing the configuration of the upper corner of the panel device casing according to the embodiment. FIG. 2 is an exploded perspective view of the configuration of the upper corner of the panel device casing according to the embodiment. FIG. 2 is a perspective view showing the configuration of a lower corner of the panel device casing according to the embodiment. FIG. 2 is an exploded perspective view of the configuration of the lower corner of the panel device casing according to the embodiment. FIG. 3 is a front view of the door according to the embodiment. 8 is a cross-sectional view taken along line VIII-VIII shown in FIG. 7. FIG. 8 is a sectional view taken along line IX-IX shown in FIG. 7. FIG.

Embodiments of the present disclosure will be described in detail below with reference to the drawings. In the embodiments described below, the same or common parts are denoted by the same reference numerals in the drawings, and the description thereof will not be repeated.

FIG. 1 is a perspective view of a panel device housing according to an embodiment. FIG. 2 is a perspective view of the panel device casing according to the embodiment with the door removed. A panel device casing according to an embodiment will be described with reference to FIGS. 1 and 2. FIG.

As shown in FIGS. 1 and 2, the panel device housing 100 includes a frame portion 1, a door 50, and four lifting bolts 90. Four lifting bolts 90 are attached to the frame part 1.

The skeleton part 1 includes a pair of first frames 11, 12, a pair of second frames 21, 22, four upper and lower frames 31, 32, 33, 34, a floor plate part 40, and four upper corner connectors 60 (Fig. ), four stiffeners 70 (see FIG. 3), and four lower corner connectors 80 (see FIG. 5).

These, a pair of first frames 11, 12, a pair of second frames 21, 22, four upper and lower frames 31, 32, 33, 34, a floor plate part 40, a door 50, four upper corner connectors 60, and 4 The two lower corner connectors 80 are made of a steel plate whose surface is plated. For example, a hot-dip galvanized steel plate can be used as the steel plate whose surface is plated.

In this way, by employing steel plates whose surfaces are plated for the various members described above, welding work is not required when assembling the frame portion 1, and the structure can be manufactured easily. Furthermore, since there is no need for painting, which is required when manufacturing using welding, the environmental load can be reduced. Furthermore, by eliminating painting and welding work, it is possible to reduce costs and production lead time.

In addition, in the four reinforcing tools 70, pickled steel plate is used for the reinforcing plate 700 (see FIG. 3) because the nut 720 (see FIG. 3) is welded to the reinforcing plate 700 (see FIG. 3), as described later. After welding 720, the reinforcing plate is plated. Further, when assembling the frame part 1, it is prepared in a plating-treated state. Therefore, when the four reinforcing tools 70 are assembled to the frame part 1, they are fastened together by fastening members as described later, so welding work at the time of assembly as described above becomes unnecessary.

The four upper and lower frames 31, 32, 33, and 34 are arranged at the four corners of the panel device housing 100. The upper and lower frames 31, 32, 33, and 34 extend along the vertical direction.

The upper and lower frames 31 have an upper end 31a and a lower end 31b. The vertical frame 31 is disposed on one side of a first direction (DR1 direction) perpendicular to the vertical direction and on one side of a second direction (DR2) perpendicular to the vertical direction and the first direction.

The upper and lower frames 32 have an upper end 32a and a lower end 32b. The upper and lower frames 32 are arranged side by side with the upper and lower frames 31 at intervals in the first direction. The upper and lower frames 32 are arranged on the other side in the first direction and on the one side in the second direction.

The upper and lower frames 33 have an upper end 33a and a lower end 33b. The upper and lower frames 33 are arranged side by side with the upper and lower frames 31 at intervals in the second direction. The upper and lower frames 32 are arranged on the other side in the first direction and on the one side in the second direction.

The upper and lower frames 34 have an upper end 34a and a lower end 34b. The upper and lower frames 34 are arranged to face the upper and lower frames 32 at intervals in the second direction. The upper and lower frames 34 are arranged on the other side in the first direction and on the other side in the second direction.

The pair of first frames 11 and 12 extend along the first direction. The pair of first frames 11 and 12 are arranged at the top of the panel device housing 100.

The first frame 11 has a first end 11a and a second end 11b in a first direction. The first end 11a is located on one side in the first direction, and the second end 11b is located on the other side in the first direction. The first frame 11 is arranged on one side in the second direction.

The first frame 12 has a first end 12a and a second end 12b in a first direction. The first end 12a is located on one side in the first direction, and the second end 12b is located on the other side in the first direction. The first frame 12 is arranged alongside the first frame 11 at intervals in the second direction. The first frame 12 is arranged on the other side in the second direction.

The pair of second frames 21 and 22 extend along the second direction. The pair of second frames 21 and 22 are arranged at the top of the panel device housing 100.

The second frame 21 has a first end 21a and a second end 21b in the second direction. The first end 21a is located on one side in the second direction, and the second end 21b is located on the other side in the second direction. The second frame 21 is arranged on one side in the first direction.

The second frame 22 has a first end 22a and a second end 22b in the second direction. The first end 22a is located on one side in the second direction, and the second end 22b is located on the other side in the second direction. The second frame 22 is arranged on one side in the first direction.

The pair of first frames 11, 12 and the pair of second frames 21, 22 constitute a frame-shaped frame portion when viewed from above by combining.

The floor plate section 40 forms the bottom of the panel device housing 100. The floor plate part 40 is arranged so as to face the frame-shaped frame part constituted by a pair of first frames 11, 12 and a pair of second frames 21, 22. That is, the floorboard section 40 is arranged to face the pair of first frames 11, 12 and the pair of second frames 21, 22 from below.

The floor plate section 40 has a floor surface 41. The floor surface 41 has a central floor surface section 41a and a pair of end-side floor surface sections 41b and 41c.

The central floor portion 41a is provided at the center of the floor surface 41 in the second direction. The pair of end-side floor sections 41b and 41c are provided on both outer sides of the central floor section 41a in the second direction.

The pair of end-side floor surfaces 41b and 41c are located at a lower position than the center floor surface portion 41a, so that recesses 42 and 43 are provided in the floor surface 41 in the second direction.

The recessed portion 42 is provided at one end of the floor plate portion 40 in the second direction. The recessed portion 43 is provided at the other end of the floor plate portion 40 in the second direction. The recesses 42 and 43 extend along the first direction. Specifically, the recesses 42 and 43 are provided, for example, from one end of the floorboard section 40 to the other end in the first direction.

The four upper corner connectors 60 combine the upper ends of the four upper and lower frames 31, 32, 33, 34, the ends of the pair of first frames 11, 12, and the pair of second frames 21, 22. It is placed inside the four corners formed by this.

Specifically, the four upper corner connectors 60 each combine the upper end 31a of the upper and lower frames 31, the first end 11a of the first frame 11, and the first end 21a of the second frame 21. A second corner formed by combining the upper end 32a of the upper and lower frames 32, the second end 11b of the first frame 11, and the first end 22a of the second frame 22. A corner, a third corner of the upper and lower frames 34 formed by combining the upper end 33a of the upper and lower frames 33, the first end 12a of the first frame 12, and the second end 21b of the second frame 21. It is arranged at a fourth corner formed by combining the upper end 34a, the second end 12b of the first frame 12, and the second end 22b of the second frame 22.

The four reinforcements 70 reinforce the four upper corner connectors 60, respectively. The four reinforcements 70 are arranged inside the four upper corner connectors 60, respectively.

The four lower corner connectors 80 are arranged inside four corners formed by combining the lower ends of the four upper and lower frames 31, 32, 33, 34 and the floor plate section 40.

Specifically, the four lower corner connectors 80 each combine the lower end 31b of the upper and lower frames 31 with the floor plate 40 (more specifically, one end of the recess 42 in the first direction). The first corner formed by combining the lower end 32b of the upper and lower frames 32 and the floor plate part 40 (more specifically, the other end of the recess 42 in the first direction). 2, a third corner formed by combining the lower end 33b of the upper and lower frame 33 and the floor plate part 40 (more specifically, one end of the recess 43 in the first direction); It is arranged at the fourth corner formed by combining the lower end 34b of the frame 34 and the floor plate part 40 (more specifically, the other end of the recess 43 in the first direction).

The door 50 is provided so as to be able to open and close an opening of the skeleton section 1 provided on one side in the second direction. The opening is a portion surrounded by the upper and lower frames 31 and 32, the first frame 11, and the recess 42 of the floor plate portion 40.

The door 50 includes a first door section 51 and a second door section 52. The first door portion 51 is located on one side in the first direction. The first door portion 51 is attached to the skeleton portion 1 using an attachment member (not shown) so as to be rotatable around the rotation axis C1. The second door portion 52 is located on the other side in the first direction. The second door portion 52 is attached to the frame portion 1 using an attachment member (not shown) so as to be rotatable around the rotation axis C2.

FIG. 3 is a perspective view showing the structure of the upper corner of the panel device housing according to the embodiment. FIG. 4 is an exploded perspective view of the structure of the upper corner of the panel device housing according to the embodiment.

With reference to FIGS. 3 and 4, the detailed structure of the upper corner of the panel device housing 100 will be described. Here, the detailed structure of the first corner on the upper side will be explained, but regarding the structure of the second to fourth corners on the upper side, the structure of the first corner on the upper side will be explained. Since the structure is almost the same, the explanation thereof will be omitted here.

As shown in FIGS. 3 and 4, the first frame 11 includes a first plate portion 110, a first outer side wall portion 111, and a first inner side wall portion 112. The first plate portion 110 extends along the first direction. The first plate portion 110 has a thickness in the vertical direction.

The first plate portion 110 is provided with a hole 110h for fixing the upper corner connector 60 and an insertion hole 15 for inserting the lifting bolt 90.

The first plate-shaped portion 110 has a first outer end 110a and a first inner end 110b. The first outer end portion 110a is an end portion of the first plate-shaped portion 110 located on the outer side in the second direction (at the first corner, on one side in the second direction). The first inner end portion 110b is an end portion of the first plate-shaped portion 110 located on the inner side in the second direction (at the first corner, on the other side in the second direction).

The first outer side wall portion 111 is provided so as to extend downward from the first outer end portion 110a. The first outer side wall 111 is provided with a hole 111h for fixing the upper corner connector 60. The first inner side wall portion 112 is provided so as to extend downward from the first inner end portion 110b. The first outer side wall 111 and the first inner side wall 112 face each other in the second direction, and the first outer side wall 111 and the first inner side wall 112 are spaced apart from each other.

In the first outer side wall portion 111, a cutout portion 111C is provided on the first end portion 11a side, and in the first inner side wall portion 112, a cutout portion 112C is provided on the first end portion 11a side. There is. As a result, when the first frame 11 is viewed from below, the first end portion 11a protrudes outward in the first direction from the first outer side wall portion 111 and the first inner side wall portion 11.

The second frame 21 includes a second plate-shaped portion 210 , a second outer side wall portion 211 , and a second inner side wall portion 212 . The second plate-shaped portion 210 extends along the second direction. The second plate-like portion 210 has a thickness in the first direction.

The second plate-shaped portion 210 has a second outer end 210a and a second inner end 210b. The second outer end portion 210a is an end portion of the second plate-shaped portion 210 located on the upper side. The second inner end portion 210b is an end portion of the second plate-shaped portion 210 located on the lower side.

The second outer side wall portion 211 is provided so as to go inward in the first direction from the second outer end portion 210a (at the first corner, the other side in the first direction). The second outer side wall portion 211 is provided with a hole portion 211h for fixing the upper corner connector 60. The second inner side wall portion 212 is provided so as to go inward in the first direction from the second inner end portion 210b. The second outer side wall 211 and the second inner side wall 212 are vertically opposed to each other, and the second outer side wall 211 and the second inner side wall 212 are spaced apart from each other.

The second outer side wall 211 and the second inner side wall 212 extend in the second direction to the first end 21a of the second frame 21.

The vertical frame 31 includes a plate-shaped portion 310 extending in the vertical direction, an outer side wall portion 311, and an inner side wall portion 312. The plate-like portion 310 has a thickness in the first direction.

The plate-shaped portion 310 is provided with a hole 310h for fixing the upper corner connector 60. The plate-shaped portion 310 has an outer end 310a and an inner end 310b. The outer end portion 310a is an end portion of the plate-like portion 310 located on the outer side in the second direction (on one side in the second direction at the first corner). The inner end portion 310b is an end portion of the plate-like portion 310 located on the inner side in the second direction (at the first corner, on the other side in the second direction).

The outer side wall portion 311 is provided so as to go inward in the first direction from the outer end portion 310a (at the first corner, the other side in the first direction). A hole 311 h for fixing the upper corner connector 60 is provided on the upper side of the outer side wall 311 .

The inner side wall portion 312 is provided so as to go inward in the first direction from the inner end portion 310b. The inner side wall 312 is provided with a hole 312h for fixing the upper corner connector 60.

The outer side wall 311 and the inner side wall 312 are opposed to each other in the second direction, and the outer side wall 311 and the inner side wall 312 are arranged with a distance between them.

The outer side wall portion 311 extends in the vertical direction to the upper end portion 31a. In the inner side wall portion 312, a cutout portion 312C is provided on the upper end portion 31a side. As a result, when the upper and lower frames 31 are viewed from inside in the second direction, the upper end portion 31a protrudes upward from the inner side wall portion 312.

The upper corner connector 60 includes a first extending portion 61 , a second extending portion 62 , and a vertically extending portion 63 . The first extending portion 61, the second extending portion 62, and the vertically extending portion 63 are provided so as to be orthogonal to each other.

The first extending portion 61 extends in the first direction. The first extending portion 61 has a first flat plate portion 610 and a side wall portion 611 for the first extending portion. The first flat plate part 610 is provided with a fixing hole 610h and an insertion hole 65 through which a lifting bolt 90 is inserted.

The first flat plate portion 610 has an outer end 610a and an inner end 610b. The outer end portion 610a is an end portion of the first flat plate portion 610 located on the outer side in the second direction (on one side in the second direction at the first corner). The inner end portion 610b is an end portion of the first flat plate portion 610 located on the inner side in the second direction (at the first corner, on the other side in the second direction).

The first extending portion side wall portion 611 is provided so as to extend downward from the outer end portion 610a. The first extending portion side wall portion 611 is provided from one end to the other end of the first flat plate portion 610 in the first direction. The first extension side wall portion 611 is provided with a fixing hole 611h and a hole 615h. The hole portion 615h is provided near a flat plate portion 630, which will be described later.

By providing the first extension side wall portion 611 as described above, the rigidity of the upper corner connector 60 can be improved.

The second extending portion 62 extends in the second direction. More specifically, the second extending portion 62 is located at the outer side in the first direction (more specifically, the inner end 610b of the first flat plate portion 610) of the first extending portion 61 ( The first corner extends in the second direction from a portion located on one side in the first direction. The second extending portion 62 has a substantially L-shape. The second extending portion 62 has a first portion 621 and a second portion 622.

The first portion 621 extends in the second direction from a portion of the inner end 610b of the first flat plate portion 610 located on the outside in the first direction (on one side in the first direction in the first corner). It is a plate-shaped part. The first portion 621 is provided with a fixing hole 621h.

The second portion 622 is provided so as to extend downward from the end of the first portion 621 located outside in the first direction. The second portion 622 and the first portion 621 are provided to be substantially perpendicular to each other. The second portion 622 is connected to the upper side of an inner end portion 630b of a flat plate portion 630, which will be described later.

The vertically extending portion 63 extends in the vertical direction. The vertically extending portion 63 is connected to an end of the first flat plate portion 610 located on the outside in the first direction, and is provided so as to go downward from the end.

The vertically extending portion 63 includes a flat plate portion 630, an outer side wall portion 631, and an inner side wall portion 632. The flat plate part 630 is connected to an end of the first flat plate part 610 located on the outside in the first direction. The flat plate portion 630 has an outer end 630a and an inner end 630b. The outer end portion 630a is an end portion of the flat plate portion 630 located on the outer side in the second direction. The inner end portion 630b is an end portion of the flat plate portion 630 located on the inner side in the second direction.

An outer side wall 631 and an inner side wall 632 are provided on the lower side of the outer end 630a and the inner end 630b so as to face each other in the second direction. The upper end portion of the outer side wall portion 631 is connected to the lower end of the first extension portion side wall portion 611 located on the outer side in the first direction. The outer side wall 631 is provided with a fixing hole 631h, and the inner side wall 632 is provided with a fixing hole 632h.

The reinforcing tool 70 includes a reinforcing plate 700, an outer reinforcing side wall 701, and an inner reinforcing wall 702. Reinforcement plate 700 extends along the first direction. The reinforcing plate 700 has a thickness in the vertical direction. The reinforcing plate 700 is provided with a fixing hole 70h and an insertion hole 75 into which a lifting bolt 90 is inserted. A nut 720 for fixing the tip of the bolt 90 is welded to a portion of the inner surface 700c of the reinforcing plate 700 around the insertion hole 75. Thereby, the nut 720 can be firmly fixed to the reinforcing plate 700.

Reinforcement plate 700 has an outer end 700a and an inner end 700b. The outer end portion 700a is an end portion of the reinforcing plate 700 located on the outer side in the second direction. The inner end 700b is an end of the reinforcing plate 700 located on the inner side in the second direction.

The reinforcing tool outer side wall portion 701 is provided so as to extend downward from the outer end portion 700a. The reinforcing tool outer side wall portion 701 is provided with a fixing hole 701h. The reinforcement inner side wall portion 702 is provided so as to extend downward from the inner end portion 700b. No hole is provided in the reinforcing tool inner side wall portion 702.

By providing the outer end 700a and the inner end 700b as described above, the rigidity of the reinforcing tool 70 can be increased.

The first end 11a of the first frame 11 and the upper end 31a of the upper and lower frames 31 are combined so that the upper end of the outer side wall 311 of the upper and lower frames 31 fits into the notch 111C.

The first end 21a of the second frame 21, the first end 11a of the first frame 11, and the upper end 31a of the upper and lower frames 31 are the ends of the second outer side wall 211 located on the first end 21a side. The end portion of the second inner side wall portion 212 that is continuous with the first inner end portion 110b of the first plate-like portion 110 and is located on the first end portion 21a side is the inner side wall portion of the portion exposed from the notch portion 112C. 312 so as to be continuous with the upper end.

The upper corner connector 60 has a first extending portion 61 in contact with the inner surface of the first frame 11, a second extending portion 62 in contact with the inner surface of the second frame 21, and a vertically extending portion. The existing portion 63 is fastened and fixed to the first frame 11 , the second frame 21 , and the upper and lower frames 31 in a state in which it is in contact with the inner surface of the upper and lower frames 31 . Further, the reinforcing member 70 is fixed to at least the inner surface 610c of the first extension portion 61.

In fixing as described above, the first frame 11, the first extension part 61, and the reinforcing plate 700 are stacked vertically so that the insertion holes 15, 65, and 75 are continuous in the vertical direction. In this overlapping state, the first extending part 61 is arranged inside the first frame 11, the vertical extending part 63 is arranged inside the upper and lower frames 31, and the second extending part 62 is arranged inside the second frame 21. placed inside.

More specifically, in the overlapping state, the first flat plate part 610 is in contact with the inner surface 110c of the first plate part 110, and the first extending part side wall part 611 is in contact with the first outer side wall part 111. abuts against the inner surface 111c of. Further, the first portion 621 contacts the inner surface 211c of the second outer side wall portion 211, and the second portion 622 contacts the inner surface of the second inner side wall portion 212.

Further, the flat plate portion 630 abuts on the inner surface of the plate-like portion 310 , and the outer side wall portion 631 and the inner side wall portion 632 abut on the inner surface of the outer side wall portion 311 and the inner surface of the inner side wall portion 312 .

Furthermore, the reinforcing plate 700 contacts the inner surface 610c of the first flat plate portion 610. The reinforcing device outer side wall portion 701 and the reinforcing device inner side wall portion 702 are located between the first outer side wall portion 111 and the first inner side wall portion 112. The reinforcing tool outer side wall portion 701 abuts on the inner surface of the first extension portion side wall portion 611. On the other hand, it is preferable that the reinforcement inner side wall part 702 is arranged so that a gap is formed between it and the first inner side wall part 112. Thereby, the reinforcing tool 70 can be easily attached to the upper corner connector 60.

The first plate portion 110, the first flat plate portion 610, and the reinforcing plate 700 are fastened by the fastening members 3 inserted through the holes 110h, 610h, and 70h.

The first outer side wall portion 111, the first extension side wall portion 611, and the reinforcing tool outer side wall portion 701 are fastened by the fastening member 4 inserted into the holes 111h, 611h, and 701h.

That is, the reinforcement outer side wall part 701 is attached to the first frame together with the first extension part side wall part 611 with the first extension part side wall part 611 interposed between the reinforcing tool outer side wall part 701 and the first outer side wall part 111. It is fastened to the first outer side wall part 111 of No. 11.

The outer side wall portion 311, the first extension side wall portion 611, and the reinforcing device outer side wall portion 701 are fastened by the fastening members 5 inserted through the holes 311h, 615h, and 705h.

That is, the reinforcing tool outer side wall part 701 is connected to the upper and lower frames 31 together with the first extending part side wall part 611 with the first extending part side wall part 611 interposed between the reinforcing tool outer side wall part 701 and the first outer side wall part 111. It is also fastened to the outer side wall portion 311 of.

Moreover, the outer side wall part 311 and the side wall part 611 for the first extension part are also fastened by the fastening member 6 inserted into the holes 311h and 631h.

The inner side wall portion 312 and the inner side wall portion 632 are fastened by fastening members (not shown) inserted through the holes 312h and 632h. The second outer side wall portion 211 and the first portion 621 are fastened together by the fastening member 7 inserted through the holes 211h and 621h.

As described above, each of the four upper side corners formed by combining the pair of first frames 11, 12, the pair of second frames 21, 22, and the four upper and lower frames 31 to 34 is reinforced. By fastening and fixing the upper corner connector 60 reinforced with a tool, it is possible to improve the mechanical strength of the frame portion 1 and, by extension, the board device casing 100 without welding.

Specifically, the upper corner connector 60 is provided to extend in three directions, and is fastened to the upper and lower frames with the vertically extending portions 63 in contact with the inner surfaces of the upper and lower frames. , the first extension part 61 is fastened to the first frame in a state in which it is in contact with the inner surface of the first frame, and the second extension part 62 is in contact with the inner surface of the second frame. It is fastened to the second frame in this state.

Therefore, when the panel device housing 100 is lifted by the lifting bolts 90, its own weight is distributed in three directions by the first extension part 61, the second extension part 62, and the vertical extension part 63. be able to.

In addition, the reinforcing tool 70 to which the nut 720 for fixing the lifting bolt 90 is fixed is fixed to the inner surface of the first extension part 61, so that the panel at the point where the lifting bolt 90 is inserted is fixed. The thickness of the device casing 100 is tripled by the first frame (more specifically, the first plate-shaped part), the first extension part 61, and the reinforcing tool 70 (more specifically, the reinforcing plate 700). The plate thickness can be changed.

As described above, by distributing the weight when lifting the panel device housing 100 by the upper corner connector 60, and increasing the rigidity of the part where the lifting bolt 90 is inserted by the reinforcing tool 70, The mechanical strength of the panel device housing 100 can be greatly improved.

For example, even if the weight of the panel device casing 100 is about 1000 kg to 2000 kg (more specifically, about 1500 kg to 1600 kg), deformation of the panel device casing 100 when lifted is suppressed. be able to.

FIG. 5 is a perspective view showing the configuration of the lower corner of the panel device housing according to the embodiment. FIG. 6 is an exploded perspective view of the configuration of the lower corner of the panel device housing according to the embodiment.

With reference to FIGS. 5 and 6, the detailed structure of the lower corner of the panel device housing 100 will be described. Although the detailed structure of the first corner on the lower side will be described here, the structure of the second to fourth corners on the lower side will be explained below. Since it is almost the same as that, its explanation will be omitted here.

As shown in FIGS. 5 and 6, the outer side wall portion 311 of the upper and lower frames 31 extends in the vertical direction up to the lower end portion 31b. A hole 313h for fixing the lower corner connector 80 is provided on the lower side of the outer side wall 311. Furthermore, a hole 310D for fixing the lower corner connector 80 is also provided on the lower side of the plate-shaped portion 310.

In the inner side wall portion 312 of the upper and lower frames 31, a cutout portion 312D is provided on the lower end portion 31b side of the upper and lower frames 31. Thereby, when the upper and lower frames 31 are viewed from inside in the second direction, the lower end portion 31b protrudes below the lower end of the inner side wall portion 312.

As described above, the end-side floor surface portion 41b of the floor plate portion 40 is located at a lower position than the center floor surface portion 41a, so that there is a space between the end-side floor surface portion 41b and the center floor surface portion 41a. A stepped wall portion 422 is provided.

A hole 41ah for fixing the lower corner connector 80 is provided in the center floor portion 41a. A hole 41bh for fixing the lower corner connector 80 is provided in the end floor portion 41b.

The step wall portion 422 is provided to connect the inner end portion 41b2 in the second direction of the end-side floor portion 41b and the outer end portion in the second direction of the center floor portion 41a. A floor plate side outer wall portion 421 extending upward is provided at the outer end portion 41b1 in the second direction of the end side floor surface portion 41b (the outer end portion in the second direction that the floor surface 41 has). There is.

The floor plate side outer wall portion 421 is provided with a cutout portion 421C on the outer side in the first direction. As a result, when the end-side floor surface portion 41b is viewed from above, the end portion of the end-side floor surface portion 41b located on the outer side in the first direction is located on the outer side in the first direction than the floorboard-side outer wall portion 421. stand out. The floor plate side outer wall portion 421 is provided with a hole portion 421h for fixing the lower corner connector 80.

The lower corner connector 80 includes a first member 81 and a second member 82 . The first member 81 has a first downward extending portion 810 and a first vertically extending downward portion 813 .

The lower first extending portion 810 has a plate-like shape and extends along the first direction. The lower first extending portion 810 is provided with a fixing hole 810h. The lower first extending portion 810 has an outer end portion 810a located on the outer side in the second direction and an inner end portion 810b located on the inner side in the second direction.

The lower first extending portion 810 is provided with a lower first outer side wall portion 811 located on the outer side in the second direction and a lower first inner side wall portion 812 located on the inner side in the second direction.

The lower first outer side wall portion 811 has a substantially L-shape. The lower first outer side wall portion 811 is provided upward from the outer end portion 810a. The lower first inner side wall portion 812 is provided upward from the inner end portion 810b.

The lower first outer side wall portion 811 includes a first portion 815 and a second portion 816. The first portion 815 has a substantially constant height parallel to the vertical direction, and extends from one end to the other end of the lower first extending portion 810 in the first direction. The second portion 816 protrudes upward from the first portion 815 at the other end side. The first portion 815 is provided with a fixing hole 815h, and the second portion 816 is provided with a fixing hole 816h.

The lower first vertically extending portion 813 is connected to the end of the first extending portion 810 located on the outside in the first direction. The lower first vertically extending portion 813 has a plate-like shape and extends along the vertical direction. The lower first vertically extending portion 813 is provided with a fixing hole 813h.

The second member 82 has a second lower extending portion 820 , a second lower vertically extending portion 823 , and a connecting piece portion 824 .

The lower second extending portion 820 has a plate-like shape and extends in the second direction. The lower second extending portion 820 is provided with a fixing hole 820h.

The lower second vertically extending portion 823 extends in the vertical direction. The second vertically extending portion 823 on the lower side is connected to the second vertically extending portion 820 on the lower side by a connecting piece portion 824 . The lower second vertically extending portion 823 is provided with a fixing hole 823h.

The connecting piece portion 824 is provided so as to extend upward from the end of the lower second extending portion 820 located outside in the first direction. The connecting piece portion 824 connects the end of the lower second vertically extending portion 823 located on the outside in the first direction and the end of the lower second vertically extending portion 820 located on the outside in the first direction. do.

The lower end portion 31b of the upper and lower frames 31 and the floor plate portion 40 are combined so that the lower end portion of the outer side wall portion 311 enters into the notch 421C of the floor plate side outer wall portion 421. The inner side wall portion 312 of the upper and lower frames 31 is located above the step wall portion 422.

The first member 81 is arranged on the floor surface 41 (more specifically, on the end-side floor surface portion 41b) so as to be located within the recess 42. In the first member 81, the lower first outer side wall 811 is in contact with the inner surface of the floor plate side outer wall 421 and the inner surface of the outer side wall 311, and the lower first extending portion 810 is in contact with the inner surface of the floor plate side outer wall 421 and the inner surface of the outer side wall 311. Specifically, in a state in which the first vertically extending portion 813 on the lower side is in contact with the vertical frame 31 (more specifically, the inner surface of the plate-like portion 310). , are fastened to the floor plate section 40 and the upper and lower frames 31.

Specifically, the lower first outer side wall portion 811 is fastened to the floor plate side outer wall portion 421 by the fastening member 3f inserted through the hole portion 815h and the hole portion 421h, and is fastened to the floor plate side outer wall portion 421 by the fastening member 3f inserted through the hole portion 815h and the hole portion 421h. It is fastened to the outer side wall portion 311 by the inserted fastening member 4f.

The lower first extending portion 810 is fastened to the end floor portion 41b by a fastening member inserted through the hole 811h and the hole 41bh. The lower first vertically extending portion 813 is fastened to the plate-shaped portion 310 by a fastening member 5f inserted through the hole 813h and the hole 310D.

The second member 82 is arranged on the floor surface 41 (more specifically, on the central floor surface section 41a) so as to be adjacent to the inner side wall section 312. The second member 82 is attached to the floor plate part 40 with the lower second extending part 820 in contact with the central floor part 41a and the second vertically extending part 823 in contact with the outer surface 312d of the inner side wall part 312. and is fastened to the upper and lower frames 31.

Specifically, the lower second extending portion 820 is fastened to the center floor portion 41a by a fastening member 6f inserted through the hole 820h and the hole 41ah. The lower second vertically extending portion 823 is fastened to the inner side wall portion 312 by a fastening member 7f inserted through the hole 823h and the hole 314h.

As described above, the lower corner connectors 80 are fastened and fixed to each of the four lower corner parts formed by combining the four upper and lower frames 31 to 34 and the floor plate part 40, so that welding is performed. The mechanical strength of the frame portion 1 and, by extension, the panel device housing 100 can be improved without performing this step.

Specifically, the lower corner connector 80 is provided so as to extend in three directions, and includes a first vertically extending portion 813 on the lower side of the first member 81 and a second vertically extending portion 813 on the lower side of the second member 82. The existing portion 823 is fastened to the upper and lower frames while being in contact with the upper and lower frames, and includes a first downward extending portion 810 extending in the first direction and a second downward extending portion 810 extending in the second direction. The existing portion 820 is fastened to the floor surface 41 while being in contact with the floor surface 41 .

Therefore, when the panel device housing 100 is lifted by the lifting bolts 90, the load transmitted through the upper and lower frames is transferred to the lower first extending portion 810 and the lower second extending portion 820. can be dispersed in the first direction and the second direction.

Further, by fastening and fixing the first member 81 and the second member 82 to the floor plate portion 40 and the upper and lower frames, the rigidity of the lower corner portion can be increased.

Furthermore, the first member 81 is housed in the recess 42 provided in the floor plate section 40 and fixed to the inner surface of the upper and lower frames and the end-side floor surface section 41b within the recess 42, and the second member 82 is fixed to the inner surface of the upper and lower frames and the end-side floor surface section 41b inside the recess 42. By fixing to the central floor surface portion 41a located at a higher position than the lower corner connector 80, the fixing work of the lower corner connector 80 can be easily performed.

FIG. 7 is a front view of the door according to the embodiment. FIG. 8 is a cross-sectional view taken along line VIII-VIII shown in FIG. FIG. 9 is a cross-sectional view taken along line IX-IX shown in FIG. A detailed configuration of the door 50 according to the embodiment will be described with reference to FIGS. 7 to 9.

Note that since the first door section 51 and the second door section 52 that constitute the door 50 have almost the same configuration, the structure of the first door section 51 will be explained here, and the explanation of the second door section 52 will be explained below. will be omitted.

As shown in FIGS. 7 to 9, the first door portion 51 includes a main body portion 510 and a closing member 95. As shown in FIGS. The main body portion 510 is provided with an opening portion 510h. The opening 510h is provided at the bottom of the main body 510. The closing member 95 is fixed to the main body 510 so as to close the opening 510h.

The main body portion 510 has a first panel 511 as a front side panel and a second panel 512 as a back side panel. The first panel 511 constitutes the front surface side of the main body section 510, and the second panel 512 constitutes the back surface side of the main body section 510.

The first panel 511 and the second panel 512 are caulked and fixed by a plurality of studs 96 passing through the first panel 511 and the second panel 512 while being overlapped in the second direction. Note that the first panel 511 and the second panel 512 may be fixed using rivets.

In this way, by fixing the first panel 511 and the second panel 512 with rivets or caulking, when steel plates whose surfaces are plated are used as the first panel 511 and the second panel 512, these first panels Panel 511 and second panel 512 can be fixed without welding.

The closing member 95 has a body portion 951 and a flange portion 952. The body portion 951 has a substantially box-like shape with one side in the second direction closed and the other side in the second direction open. The flange portion 952 is provided so as to protrude outward from the periphery of the body portion 951 located on the other side in the second direction.

A portion of the second panel 512 corresponding to the flange portion 952 is cut out, and the flange portion 952 is in contact with the back surface of the first panel 511. The closing member 95 is fixed to the first door portion 51 by fixing the flange portion 952 to the first panel 511 with a rivet 97 passing through the first panel 511 and the flange portion 952.

In addition, in the above description, the case where the portion of the second panel 512 corresponding to the flange portion 952 is cut out is explained as an example, but the present invention is not limited to this, and the second panel 512 may be cut out. Even if the flange portion 952 is fixed to the first door portion 51 by the rivet 97 passing through the first panel 511, the second panel 512, and the flange portion 952 while in contact with the back surface of the second panel 512, good. Further, a notch portion may be provided on the first panel 511 side, and the flange portion 952 may be fixed to the second panel 512 with a rivet 97. Further, the flange portion 952 and the first door portion 51 may be caulked and fixed using a plurality of studs.

In this way, by fixing the closing member 95 and the first door part 51 with rivets or caulking, when steel plates whose surfaces are plated are used for the closing member 95 and the first door part 51, these first Panel 511 and second panel 512 can be fixed without welding.

As described above, the embodiments disclosed herein are illustrative in all respects and are not restrictive. The scope of the present invention is indicated by the claims, and includes all changes within the meaning and range equivalent to the claims.

1 Skeletal part, 11, 12 First frame, 11a, 12a First end, 11b, 12b Second end, 15 Insertion hole, 21, 22 Second frame, 21a, 22a First end, 21b, 22b 2 ends, 31, 32, 33, 34 Upper and lower frames, 31a, 32a, 33a, 34a Upper end, 31b, 32b, 33b, 34b Lower end, 40 Floor plate, 41 Floor, 41a Center floor, 41ah, 41bh Hole portion, 41b, 41c End side floor surface portion, 41b1 Outer end portion, 41b2 Inner end portion, 42, 43 Recessed portion, 50 Door, 51 First door portion, 52 Second door portion, 60 Upper corner connector, 61 1st extension part, 62 2nd extension part, 63 vertical extension part, 65 insertion hole, 70 reinforcing tool, 70h hole part, 75 insertion hole, 80 lower corner connector, 81 first member, 90 bolt, 95 closing member, 96 stud, 97 rivet, 100 board device housing, 110 first plate-shaped portion, 110a first outer end, 110b first inner end, 110c inner surface, 110h hole, 111 first outer side Side wall portion, 111c Inner surface, 111h Hole portion, 111C Notch portion, 112 First inner side wall portion, 112C Notch portion, 210 Second plate-shaped portion, 210a Second outer end portion, 210b Second inner end portion, 211 Second Outer side wall portion, 211c Inner surface, 211h Hole portion, 212 Second inner side wall portion, 310 Plate portion, 310a Outer end portion, 310b Inner end portion, 310D, 310h Hole portion, 311 Outer side wall portion, 311h Hole portion, 312 Inner side wall, 312D Notch, 312d Outer surface, 312h, 313h, 314h Hole, 421 Floor plate side outer wall, 421C Notch, 421h Hole, 422 Step wall, 510 Main body, 510h Opening, 511 1 panel, 512 second panel, 610 first flat plate part, 610a outer end, 610b inner end, 610c inner surface, 610h hole, 611 side wall for existing part, 611h, 615h hole, 621 first part, 621h Hole portion, 622 Second portion, 630 Flat plate portion, 630b Inner end portion, 631 Outer side wall portion, 631h Hole portion, 632 Inner side wall portion, 632h Hole portion, 700 Reinforcement plate, 700a Outer end portion, 700b Inner end portion, 700c inner surface, 701 outer side wall for reinforcing tool, 701h hole, 702 inner side wall for reinforcing tool, 720 nut, 810 first extension part, 810a outer end, 810b inner end, 810h hole, 811 No. 1 outer side wall part, 812 first inner side wall part, 813 first vertically extending part, 813h hole part, 815 first part, 815h hole part, 816 second part, 816h hole part, 820 second extending part, 820h Hole portion, 823 Second vertically extending portion, 823h Hole portion, 824 Connection piece portion, 951 Body portion, 952 Flange portion.

Claims (6)

a vertical frame extending in the vertical direction and having an upper end;
a first frame extending in a first direction perpendicular to the up-down direction and having an end on one side of the first direction;
a second frame extending in a second direction perpendicular to the up-down direction and the first direction, and having an end on one side in the second direction;
an upper corner connector disposed inside an upper corner formed by combining the upper end of the upper and lower frames, the end of the first frame, and the end of the second frame;
a reinforcing tool for reinforcing the upper corner connecting tool,
The upper corner connector includes a vertically extending portion extending in the vertical direction, a first extending portion extending in the first direction, and a second extending portion extending in the second direction. , including;
The reinforcing device is fixed to an inner surface of the first extending portion,
The first frame, the first extension part, and the reinforcing tool are provided with an insertion hole that communicates with the vertical direction and into which a lifting bolt can be inserted;
The vertically extending portion is fastened to the vertical frame in a state in which it is in contact with an inner surface of the vertical frame,
The first extension part is fastened to the first frame while being in contact with an inner surface of the first frame,
A housing for a board device, wherein the second extension part is fastened to the second frame while being in contact with an inner surface of the second frame. The housing for a panel device according to claim 1, wherein a nut for fixing the tip of the bolt is welded to an inner surface of the reinforcing tool. The first frame has a first outer end located on the outer side in the second direction and a first inner end located on the inner side in the second direction, and a first frame extending along the first direction. a first plate-shaped portion, a first outer side wall portion provided downward from the first outer end portion, and a first inner side wall portion provided downward from the first inner end portion; including;
The reinforcing plate has an outer end located on the outer side in the second direction and an inner end located on the inner side in the second direction, and the reinforcing plate contacts the first extending portion from a lower side. , a reinforcing tool outer side wall section provided downward from the outer end of the reinforcing plate; and a reinforcing tool inner side wall section extending downward from the inner end of the reinforcing plate. , including;
The reinforcing device outer side wall portion and the reinforcing device inner side wall portion are located between the first outer side wall portion and the first inner side wall portion,
The reinforcing device outer side wall portion is fastened to the first outer side wall portion,
The board device casing according to claim 1 or 2, wherein the reinforcing tool inner side wall is not fastened to the first inner side wall. a floor plate portion having a floor surface;
a lower corner connector disposed inside a lower corner formed by combining the lower end portion of the upper and lower frames and the floor plate portion;
The lower corner connector includes a first member and a second member,
The first member includes a lower first vertically extending portion extending in the vertical direction and a first lowerly extending portion extending in the first direction,
The second member includes a lower second vertically extending portion extending in the vertical direction and a second lowerly extending portion extending in the second direction,
The first vertically extending portion on the lower side and the second vertically extending portion on the lower side are fastened to the vertical frame while being in contact with the vertical frame,
The housing for a panel device according to claim 1 or 2, wherein the first downward extending portion and the second downward extending portion are fastened to the floor while in contact with the floor. . A door portion is provided to be rotatable around a rotation axis parallel to the vertical direction,
The door portion includes a front side panel and a back side panel,
3. The panel device housing according to claim 1, wherein the front side panel and the back side panel are fixed by rivets or caulking. The door portion is provided with an opening,
further comprising a closing member that closes the opening,
6. The panel device casing according to claim 5, wherein the closing member is fixed to the door by rivets or caulking.

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