Box frame structure

Abstract

To provide a frame structure of a box capable of easily attaching various members to a site facing the internal space of the box.SOLUTION: A frame structure of a box forms a framework of the box using a plurality of frames. A vertical frame 10 has a cross section structure provided with an outer side 15 which forms an outline of the box and inner sides 22, 23 located on the inside, and an inner mounting part 24 for mounting a member disposed in the internal space of the box is formed at the inner sides. By the structure, attachment / detachment work for removing and attaching an inner panel from and to the frame structure is unnecessary when attaching a new device.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a frame structure for a box such as a work box or a box for storing electrical equipment. [Background technology]

[0002] A commonly used frame structure for boxes such as work boxes and boxes for storing electrical equipment is one in which four vertical frames, four horizontal frames, and four depth frames are joined into a rectangular parallelepiped shape to form the front, back, left and right sides, top, and floor. By attaching panels to each side, a work space that a person can enter or a space for storing electrical and electronic equipment is formed. Each frame is made of metal to ensure strength, but it may be made by extruding metal or by bending a metal plate.

[0003] Patent Document 1 describes a work box in which an inner panel is provided inside a rectangular parallelepiped frame structure, and various electric and electronic devices are attached to this inner panel. However, since mounting holes and the like must be drilled in the inner panel when mounting electric and electronic devices, there is a problem in that when it is desired to mount new electric and electronic devices or other components, the inner panel must be removed from the frame structure and then attached again. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2020-51163 A Summary of the Invention [Problem to be solved by the invention]

[0005] SUMMARY OF THE PRESENT EMBODIMENT An object of the present invention is to solve the above-mentioned problems of the conventional box and to provide a frame structure for a box which allows various members to be easily attached to the portion facing the internal space of the box. [Means for solving the problem]

[0006] The present invention, which has been made to solve the above problems, is a box frame structure in which a skeleton of a box is formed by a plurality of frames, and the vertical frames are an outer side that constitutes the outer periphery of the box and an inner side that is located more inward than the outer side. an intermediate side located between the outer side and the inner side; A cross-sectional structure comprising: Applicable For attaching components to be placed in the internal space of the box to the inner side Inside Mounting Part and a plurality of mounting portions are formed between the outer side and the inner side, the plurality of mounting portions being groove-shaped and including a mounting portion provided on the intermediate side for mounting a member to be stored in a storage portion formed between the outer side and the inner side of two opposing vertical frames, and a mounting portion provided on a side connecting the inner side and the intermediate side for mounting a connecting metal fitting for connecting another frame to the vertical frame. It is characterized by the above.

[0007] The outer side and the inner side are preferably parallel to each other. The vertical frame preferably has a structure including a plurality of inner sides, the ends of which are connected to each other to form corners of the interior space of the box, and preferably has a structure including a plurality of attachment portions between the outer side and the inner side. Furthermore, the vertical frame may have a shape that is symmetrical in a vertical cross section with respect to the longitudinal direction. Effect of the Invention

[0008] According to the frame structure of the present invention, electric / electronic devices and other components can be easily attached to the surface in contact with the internal space of the box. [Brief description of the drawings]

[0009] [Figure 1] FIG. 2 is an overall perspective view of the frame structure of the box. [Diagram 2] FIG. [Diagram 3] FIG. [Figure 4] A cross-sectional view of the horizontal frame and the depth frame. [Diagram 5] FIG. [Figure 6] FIG. [Figure 7] FIG. [Figure 8] FIG. [Figure 9] FIG. [Figure 10] FIG. 4 is an enlarged cross-sectional view of a main portion of the right side panel. [Figure 11] 11 is an enlarged perspective view of the upper and lower ends of the right side panel. FIG. [Figure 12] FIG. [Figure 13] 1A is a plan view of the left side panel with a desk attached, and FIG. [Figure 14] FIG. [Figure 15] FIG. [Figure 16] FIG. [Figure 17] FIG. [Figure 18] This is a horizontal cross-sectional view showing the state after panels are attached to the four sides. [Figure 19] FIG. [Figure 20] FIG. 2 is a perspective view showing the front and right side of the box. [Figure 21] FIG. 2 is a perspective view showing the rear and left side of the box. [Figure 22] FIG. [Diagram 23] FIG. 11 is a cross-sectional view showing another shape of the vertical frame. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] An embodiment of the present invention will be described below. The embodiment described below is a frame structure of a work box. As shown in FIG. 1, the frame structure of the box of the present invention is a rectangular parallelepiped structure in which 12 frames consisting of four vertical frames 10, four horizontal frames 11, and four depth frames 12 are joined together. An internal space is formed by attaching panels, doors, etc. to the front, back, left and right sides, top, and floor. Each frame is made of metal to ensure strength, but may be formed by extruding metal or bending a metal plate.

[0011] (Vertical frame) The vertical frame 10 is a frame that extends in the vertical direction of the box, and its upper and lower ends are connected to the horizontal frame 11 and the depth frame 12 as shown in Figure 2. Reference numeral 13 denotes a corner plate that covers the end face of the vertical frame 10. The horizontal cross-sectional shape of the vertical frame 10 is approximately an eight shape as shown in Figure 3.

[0012] Reference numeral 14 denotes a first side that constitutes a corner of the outer periphery of the box. A second side 15 is formed in a 45-degree direction from both ends of the first side 14, and these first side 14 and second side 15 constitute the outer periphery of the box. A third side 16 is formed on the inside at a 90-degree direction from the end of the second side 15. A first groove 17 is formed on one side of the third side 16.

[0013] A fourth side 18 is formed from the end of the third side 16 parallel to the second side 15, and a second groove 19 is formed in the fourth side 18. A fifth side 20 is formed from the end of the fourth side 18 in a direction at 90 degrees to be parallel to the third side 16, and a third groove 21 is formed in the fifth side 20.

[0014] At the end of the fifth side 20, a sixth side 22 and a seventh side 23 are formed in a direction of 90 degrees so as to be parallel to the second side 15 and the fourth side 18, and the two seventh sides 23 are connected at a right angle. The sixth side 22 and the seventh side 23 are inner sides facing the internal space of the box, and the fourth groove 24 is an inner mounting portion for mounting a member to be placed in the internal space of the box. A plurality of mounting portions consisting of the first groove 17, the second groove 19, and the third groove 21 are provided between the second side 15, which is the outer side, and the sixth side 22 and the seventh side 23, which are the inner sides.

[0015] As shown in the figure, a connecting edge 25 parallel to the first edge 14 is formed at the connecting portion between the third edge 16 and the fourth edge 18, partitioning a first hollow space 26 surrounded by the first edge 14, the second edge 15 and the third edge 16, and a second hollow space 27 surrounded by the fourth edge 18, the fifth edge 20 and the seventh edge 23. A first mounting portion 28 having an arc shape is formed inside the first hollow space 26. The vertical frame 10 is an extruded material and has the same cross-sectional shape over its entire length.

[0016] (Horizontal and Depth Frames) The horizontal frame 11 and the depth frame 12 have the same cross-sectional shape as shown in FIG. 4. These are also extrusion-molded materials and have the same cross-sectional shape over their entire length. 30 is a first side that constitutes the outer shell of the box, such as the front, left and right sides, and back, and 31 is a second side formed in a 90-degree direction toward the inside of the box. A first groove 32 is formed in the second side 31. 33 is a third side formed from the end of the second side 31 in parallel to the first side 30, and a second groove 34 is formed in the third side 33. 35 is a fourth side formed from the end of the third side 33 in parallel to the second side 31, and a third groove 36 is formed. 37 is a fifth side formed in a 90-degree direction at the end of the fourth side 35, and 38 is a sixth side formed in a 90-degree direction at the end of the fifth side 37 and connected to the first side 30.

[0017] (Frame connection) 5 and 6 show the details of the connection between the frames. The vertical frame 10 and the horizontal frame 11, and the vertical frame 10 and the depth frame 12 abut at their ends and are connected by connecting fittings 40. The connecting fittings 40 are in the shape of a right triangle, and one orthogonal side abuts against the fifth side 20 of the vertical frame 10 and is fixed by a bolt 42 to a nut 41 inserted into the third groove 21 of the vertical frame 10. The other orthogonal side abuts against the third side 33 of the horizontal frame 11 / depth frame 12 and is fixed by a bolt 43 to a nut inserted into the second groove 34.

[0018] The end face of the vertical frame 10, which connects the horizontal frame 11 and the depth frame 12 in this way, is covered by the above-mentioned corner plate 13. The corner plate 13 has a plurality of mounting holes. The first mounting hole 44 corresponds to the first mounting portion 28 of the vertical frame 10 and is fixed with a bolt. The second mounting hole 45 and the third mounting hole 46 are fixed with a bolt to a nut inserted into the third groove 36 of the horizontal frame 11 / depth frame 12. The fourth mounting hole 47 has a nut welded to its back side, and an eye bolt for lifting the box when transporting it can be attached. In addition, in the horizontal frame 11 and the depth frame 12 located on the bottom side, the fourth mounting hole 47 is used to attach an adjuster for fixing it to the installation surface.

[0019] (Storage section) As described above, the skeleton of the box is formed by connecting 12 frames. As shown in FIG. 7, the second side 15 of the vertical frame 10 is an outer side located on the outside of the box, the sixth side 22 and the seventh side 23 are inner sides located in the internal space of the box, and the fourth side 18 is an intermediate side. A storage section 50 capable of storing a plurality of members is formed between the outer side (second side 15) and the inner side (sixth side 22, seventh side 23) of the two vertical frames 10 arranged opposite to each other. The storage section 50 includes a first storage section 51 formed between the outer side (second side 15) and the intermediate side (fourth side 18) and a second storage section 52 formed between the intermediate side (fourth side 18) and the inner side (sixth side 22, seventh side 23).

[0020] (Right side panel) FIG. 8 is an exploded perspective view of the right side panel of the box. 53 is an outer panel, and 54 is a sound-absorbing material. As shown in FIG. 9 and FIG. 10, which are horizontal cross-sectional views, the outer panel 53 is stored and attached in the first storage section 51 formed between the two vertical frames 10, and the sound-absorbing material 54 is stored and attached in the second storage section 52. At this time, it is not necessary for the entire sound-absorbing material 54 to fit in the second storage section 52, and a part of it may be located in the first storage section 51. In actual installation, the sound-absorbing material 54 is first stored in the second storage section 52 from the outside, and at this time, the sixth side 22 of the two vertical frames 10 acts as a second restricting section to restrict the sound-absorbing material 54 from moving into the internal space of the box. Then, after the sound-absorbing material 54 is stored, the outer panel 53 is stored and attached in the first storage section 51. Further, the fourth side 18 which is the middle side between the two vertical frames 10 acts as a first restricting portion which restricts the position of the member stored in the first storage portion 51.

[0021] Fig. 11 shows the mounting structure of the upper and lower ends of the outer panel 53. As shown in the lower part of Fig. 11, the outer panel 53 is a plate-like member, and its lower end is formed with a horizontal first bent edge 55 and a second bent edge 56 whose tip is bent downward. This second bent edge 56 is inserted into the first groove 32 of the depth frame 12 on the bottom side. Also, as shown in the upper part of Fig. 11, the upper end of the outer panel 53 is formed with a horizontal third bent edge 57 and a fourth bent edge 58 whose tip is bent upward. A bolt 59 is passed through a bolt hole provided in the fourth bent edge 58, and the panel is fixed using a nut inserted into the second groove 19 of the vertical frame 10.

[0022] (Left side panel) The right side panel of the box described above has the simplest structure in which only the sound-absorbing material 54 is attached to the second storage section 52, but the left side panel of the box shown in Figs. 12 and 13 has a structure in which the sound-absorbing material 54 is eliminated and a desk 60 is attached. The desk 60 may have a foldable structure. As shown in Fig. 13, the desk 60 has an edge 90 that abuts against the seventh edge 23 of the two vertical frames 10, and one surface of a desk mounting bracket 91 (see Fig. 13) having a substantially L-shape abuts against the sixth edge 22 and the seventh edge 23, which are the inner edges, and is fixed by a bolt 92 to a nut inserted into a fourth groove 24, which is an inner mounting portion for mounting a member to be placed in the internal space of the box, formed on the inner edge. The other surface of the desk mounting bracket 91 abuts against the back surface of the desk 60 and is fixed by a screw or the like, thereby attaching the desk 60 to the vertical frame 10. No sound absorbing material 54 is attached to the left side panel, and a left side inner panel 93 divided into upper and lower parts is stored in the second storage section 52. The side 90 of the desk 60 abuts against the seventh sides 23 of the two vertical frames 10 and also abuts against the left side inner panel 93.

[0023] (Rear Panel) The rear panel shown in Figs. 14 and 15 has an equipment mounting panel 61 on the inner side of the box. The equipment mounting panel 61 is a panel on which lighting fixtures, ventilation equipment, switches 62 for air conditioning and heating equipment are provided on the ceiling surface of the box, and power supply equipment such as an outlet 63 for connecting a plug to supply power to a personal computer or mobile terminal used in the box, and a USB outlet 64 are installed. Other video equipment, audio equipment, communication equipment, ventilation equipment, air conditioning and heating equipment, etc. can also be installed. The width of the equipment mounting panel 61 is about 1 / 3 of the total width of the box, and the sound absorbing material 54 divided into upper and lower parts is placed in the remaining 2 / 3 part. The outer panel 65 is also divided into upper and lower parts, but it can also be a single plate without being divided.

[0024] 15, a space 66 is formed between the equipment mounting panel 61 and the outer panel 65, and power distribution equipment such as breakers and terminal blocks are installed in this space 66 to distribute power to the electrical equipment inside the box. Wiring is led in through an opening provided in the floor of the box.

[0025] When the outer panel 65 is divided into upper and lower parts as in this embodiment, the lower end portion of the lower outer panel 65 The protruding edge provided on the lower outer panel 65 is inserted into the first groove 32 of the lower horizontal frame 11, and the left and right ends are fixed with bolts to nuts inserted into the second groove 19 of the vertical frame 10. A slit 68 is provided on the upper end surface of this lower outer panel 65, and a protruding edge 69 to be inserted into the slit 68 is formed on the lower end of the upper outer panel 65. The protruding edge 69 of the upper outer panel 65 is inserted into the slit 68 of the lower outer panel 65, and the left and right ends are fixed with bolts to nuts inserted into the second groove 19 of the vertical frame 10. In this back panel, the outer panel 65 is stored and attached in the first storage section 51 formed between the two vertical frames 10, and the sound absorbing material 54 and the equipment mounting panel 61 are attached to the second storage section 52. Here, the sound-absorbing material 54 stored in the second storage section 52 has its position restricted at one end by the equipment mounting panel 61, and its position restricted at the other end by a restricting bracket 67 arranged to abut against the fifth side 20 of the vertical frame 10.

[0026] (Front Panel) 16 and 17 is equipped with a door 70. First, a mounting bracket 72 extending in the left-right direction is fixed with a bolt to a nut inserted in the first groove 32 of the horizontal frame 11 on the upper front side. The upper end of a vertically long plate 73 extending in the up-down direction is fixed to the lower part of this mounting bracket 72.

[0027] A door 70 is attached to the side of this plate 73. The door 70 is supported by the vertical frame 10 by a hinge 74 so as to be able to open and close. The plate 73 is formed with an engagement portion for a handle 75 of the door 70 and an engagement portion for a locking device 76.

[0028] An outer front panel 78 and an inner front panel 79 are attached to the left side of the plate 73. The lower end of the outer front panel 78 is fixed by a bolt to a nut inserted into the first groove 32 of the lower front horizontal frame 1, and the lower end of the inner front panel 79 is provided with a protruding edge 80, which is inserted into the first groove 32 of the lower front horizontal frame 11. In addition, the upper ends of the outer front panel 78 and the inner front panel 79 are fixed to the mounting bracket 72 by a bolt.

[0029] Fig. 18 shows the state where the panels are attached to the four sides. On the right side and back, an outer panel is attached to the first storage section 51 formed between two opposing vertical frames 10, and sound-absorbing material 54 is attached to the second storage section 52, while on the right side, an outer panel is attached to the first storage section 51, and an inner panel is attached to the second storage section 52. Also, on the front, a door 70 is attached to the first storage section 51.

[0030] A ceiling surface 81 and a floor surface 82 are further attached to the above-mentioned box skeleton to form the work box shown in Figures 19, 20, 21, and 22, but since the ceiling surface 81 and the floor surface 82 are not essential parts of the present invention, their explanation will be omitted.

[0031] In the embodiment described above, a vertical frame 10 having a cross-sectional shape shown in Fig. 3 is used. However, the cross-sectional shape of the vertical frame 10 is not limited to that shown in Fig. 3, and as shown in Fig. 23, the vertical frame 10 may have a shape that is line-symmetrical with respect to a line that passes through the center of the first side 14 and is perpendicular to the first side 14. Also, a second mounting portion 29 having an arc shape may be formed inside the second hollow space 27.

[0032] As described above, according to the frame structure of the box of the present invention, a desk or other members can be easily attached to the surface adjacent to the internal space of the box. Although the frame structure of the work box has been described in the above embodiment, the present invention can also be applied to a box for storing electrical equipment. [Explanation of symbols]

[0033] 10 Vertical Frame 11 Horizontal frame 12 Depth Frame 13 Corner plate 14 Side 1 15 Side 2 16 Third Side 17 First Groove 18 Side 4 19 The Second Groove 20 Side 5 21 The Third Groove 22 Side 6 23 Side 7 24 The Fourth Groove 25 Connecting Edges 26 1st hollow space 27 Second hollow space 28 First mounting part 29 Second mounting part 30 Side 1 31 Side 2 32 First groove 33 Third Side 34 Second groove 35 Side 4 36 Third groove 37 Side 5 38 Side 6 40 Connecting fittings 41 Nut 42 Volts 43 Volts 44 First mounting hole 45 Second mounting hole 46 3rd mounting hole 47 4th mounting hole 50 Storage section 51 First storage section 52 Second storage section 53 Outer Panel 54 Sound absorbing material 55 First bend 56 Second bend 57 Third bend 58 Fourth bend 59 Volts 60 desks 61 Equipment mounting panel 62 Switch 63 Outlet 64 USB outlets 65 Outer Panel 66 Space 67 Regulatory fittings 68 Slit 69 Protruding Edge 70 Door 72 Mounting bracket 73 Plate 74 Hinge 75 Handle 76 Locking device 78 Front outer panel 79 Front inner panel 80 protruding edge 81 Ceiling surface 82 Floor 90 sides 91 Desk mounting bracket 92 Volts 93 Left side inner panel

Claims

1. A box frame structure in which a skeleton of a box is formed by a plurality of frames, The vertical frame has an outer side that forms the outer periphery of the box, and an inner side that is located inside the outer side. a cross-sectional structure including an intermediate side located between the outer side and the inner side, An inner mounting portion is formed on the inner side for mounting a member to be disposed in the internal space of the box, A plurality of attachment portions are formed between the outer side and the inner side; The plurality of mounting portions are groove-shaped, a mounting portion provided on the intermediate side for mounting a member to be stored in a storage portion formed between the outer side and the inner side of the two opposing vertical frames; and a mounting portion provided on the side connecting the inner side and the intermediate side for mounting a connecting metal fitting for connecting another frame to the vertical frame. A box frame structure characterized in that

2. 2. The box frame structure according to claim 1, wherein the outer and inner sides are parallel to each other.

3. 3. The frame structure of a box according to claim 1 or 2, characterized in that the vertical frame has a plurality of inner sides, the ends of which are connected to each other to form corners of the internal space of the box.

4. A frame structure of a box described in any one of claims 1 to 3, characterized in that the vertical cross section of the vertical frame relative to its longitudinal direction has a linearly symmetrical shape.

Images