JP2001061578A - Turnover preventing device for rack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a turnover preventing device for a rack which surely prevents turnover of the rack to enhance its earthquake-resisting performance, which facilitates the connection of cables to a variety of apparatuses contained in the rack, which allows efficient use of space within the rack, and which can be used singly. SOLUTION: This turnover preventing device 6 comprises two parallel L- shaped frames 7, 7 each formed into an approximately L-shape and interconnected at both ends and at their respective bent parts by connecting frames 8a, 8b, 8c, and support frames 9, 9 provided for supporting the L-shaped frames 7, 7 at both ends. The side face of a rack 1 from which a side panel 5 has been removed is made to abut against the back face part 14 of the turnover preventing device 6 and the connecting frame 8a at the upper ends of the L-shaped frames 7, 7 is fastened to the rack 1 by a bolt and a nut. Cables for connection to a variety of apparatuses contained in the rack 1 are inserted through the bottom face part 10 of the turnover preventing device 6, are passed through and retained by a cable retaining hole 16 in a cable holder 15, are brought out of the back face part 13 of the turnover preventing device 6, and are connected to the variety of apparatuses in the rack 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing a rack from falling over which is installed on a side of a rack for storing various devices and supports the rack.

[0002]

2. Description of the Related Art Conventionally, in order to prevent the rack from tipping over, if the floor on which the rack is to be installed can be provided with holes in the floor with concrete or the like, as shown in FIG.
Floor 3 facing the fixing holes drilled near the four corners of the bottom surface
The rod-shaped anchor bolts 33, 33, 33, 33 are driven into 2, and the anchor bolts 33, 3 projecting from the floor surface 32.
The fixing holes of the rack 31 were inserted through the holes 3, 33, 33 and fastened and fixed with nuts.

[0005] When the anchor cannot be fixed with anchor bolts, floor stands 42, 42, 42, 42 are provided near the four corners of the bottom of the rack 41 as shown in FIG. Also, a long flat plate-shaped seismic base 43 is arranged on the floor,
Floor stands 42, 4 of rack 41 on 3, 43
2, 42, 42 are placed, and a substantially U-shaped notch 45 provided in the fixing bracket 44 is inserted into the floor stand 42 of the rack 41.
, And a screw 47 is inserted through a screw insertion hole 46 formed in the fixing bracket 44, and is screwed and fixed in a large number of screw holes 48 formed in the seismic base 43.

[0004]

However, the method of preventing the rack from tipping over using anchor bolts has a drawback that the usable place is limited, and the method of preventing the rack from tipping over using the seismic base has a problem in the horizontal direction. There is a drawback that it is not very strong against the load on

In general, when various devices are installed in a rack, heavy devices are installed at the bottom of the rack, and light devices are installed at the top of the rack. However, large devices are installed at the bottom of the rack. As shown in FIG. 6, the cable connected to the device enters and exits through the input / output line hole 52 provided on the bottom of the rack 51, so that it is difficult to perform the cable connection work, and the storage space for the cable in the rack is also small. If an outlet or the like which is necessary and not necessarily installed in the rack is installed near the rear part of the rack, there is a disadvantage that the storage space in the rack is reduced.

[0006]

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the conventional apparatus for preventing the rack from overturning, an object of the present invention is to reliably prevent the rack from overturning, improve the seismic performance, and store the rack in the rack. It provides a rack overturn prevention device that facilitates the connection of cables to various devices, enables efficient use of the space inside the rack, and enables the use of the overturn prevention device alone. The structure is a device for preventing a rack from tipping over which is installed on a side surface of a rack for accommodating various devices and supports the rack, wherein at least two L-shaped frames formed in a substantially L-shape are adjacent to each other. It is composed of a connecting frame for connecting the L-shaped frames and a supporting frame for supporting both ends of the L-shaped frame, and is fixed to the rack by fixing means.

Also, a back portion formed by a vertical portion of the L-shaped frame and connecting frames provided at both ends of the vertical portion of the L-shaped frame, and a horizontal portion of the L-shaped frame and a horizontal portion of the L-shaped frame are formed. The bottom surface formed by the connection frames provided at both ends is an input / output line for inputting / outputting a cord or a cable connected to various devices stored in the rack.

In addition, a cable holder for holding a cable or the like in a cable holding hole formed in the elongated member at appropriate intervals is provided between the vertical portions of the L-shaped frame.

In addition, mount angles each having a substantially L-shaped cross section and a large number of mounting holes formed along its longitudinal end are provided on the support frame, and various devices can be mounted between the mount angles. is there.

Also, an outlet is provided in a vertical portion of the L-shaped frame.

Further, a flat anchor is provided in which anchor bolt insertion holes are formed at four corners of a bottom portion formed by a horizontal portion of the L-shaped frame and connecting frames provided at both ends of the horizontal portion of the L-shaped frame. It is that the tool was provided.

A side portion formed by the L-shaped frame and the support frame, or a front portion formed by the support frame and connecting frames provided at both ends of the support frame;
Alternatively, at least one surface of the back surface formed by the vertical portion of the L-shaped frame and the connecting frames provided at both ends of the vertical portion of the L-shaped frame is covered with a cover body.

[0013]

FIG. 1 is a perspective view of an apparatus for preventing a rack from falling over according to a first embodiment of the present invention; FIG. At least two Ls formed side by side
It is composed of a mold frame, a connecting frame that connects adjacent L-shaped frames, and a support frame that supports both ends of the L-shaped frame, and is fixed to the rack by fixing means to prevent the rack from tipping over and to be earthquake resistant. Performance can be improved.

According to the device for preventing the rack from tipping over according to the second aspect, the rear portion formed by the vertical portion of the L-shaped frame and the connecting frames provided at both ends of the vertical portion of the L-shaped frame; The bottom part formed by the horizontal part of the mold frame and the connecting frame provided at both ends of the horizontal part of the L-shaped frame is used to input and output cords, cables, and the like connected to various devices housed in the rack. , The space in the rack can be used efficiently, and cables can be easily connected to various devices.

According to the apparatus for preventing the rack from tipping over according to the third aspect of the present invention, the cable holder for holding a cable or the like in the cable holding hole formed in the elongated member at an appropriate interval is provided.
By providing between the vertical portions of the mold frame, the cable in the overturn prevention device is not complicated.

According to the rack overturn prevention device of the fourth aspect, the mounting frames are provided in the support frame, each having a substantially L-shaped cross section and a plurality of mounting holes formed along the longitudinal end thereof. Since various devices can be attached between the angles, it is possible to use the fall prevention device alone and to cope with the addition of various devices.

According to the apparatus for preventing the rack from tipping over according to the fifth aspect, the outlet in the vertical portion of the L-shaped frame allows the space in the rack to be used efficiently.

According to the apparatus for preventing the rack from tipping over according to the sixth aspect, the four corners of the bottom portion formed by the horizontal portion of the L-shaped frame and the connecting frames provided at both ends of the horizontal portion of the L-shaped frame are provided. By providing the plate-shaped anchor fixture having the anchor bolt insertion hole, the rack overturn prevention device is firmly fixed, the seismic performance is improved, and the overturn of the rack can be reliably prevented.

According to the device for preventing the rack from tipping over according to the seventh aspect, the side portion formed by the L-shaped frame and the support frame, or the support frame and the connection frames provided at both ends of the support frame. Of the front portion, or the back portion formed by the vertical portion of the L-shaped frame and the connection frame provided at both ends of the vertical portion of the L-shaped frame,
By covering at least one surface with the cover body, the appearance is improved, dust is prevented from entering the fall prevention device, and the fall prevention device can be used alone.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a device for preventing a rack from tipping over according to the present invention will be described with reference to the accompanying drawings of FIGS.

The rack 1 is formed into a substantially rectangular parallelepiped by four pillars, an upper side plate 2 and a lower side plate 3, and a door 4 is provided on the front surface so as to be openable and closable.
Are provided, and various devices can be installed therein.

The overturn prevention device 6 connects two ends and bent portions of two L-shaped frames 7, 7 formed substantially in an L shape by connecting frames 8a, 8b, 8c. Support frames 9, 9 are provided so as to support both ends of the L-shaped frames 7, 7.

The horizontal portions of the L-shaped frames 7, 7 and the connecting frames 8 provided at both ends of the horizontal portions of the L-shaped frames 7, 7
An anchor fixture 12 having a flat plate and an anchor bolt insertion hole 11 formed substantially at the center is provided at each of the four corners of the bottom portion 10 formed by the anchor bolt insertion holes 11, 11, and 1c.
Anchor bolts 13, 13,
13 and 13 into the anchor bolt insertion holes 11 and 1
Anchor bolts 13, 13, 13, 1 are attached to 1, 11, 11
Insert 3 and tighten with nuts. If an anchor bolt cannot be provided, it may be used as it is.

Then, the side panel 5 is removed from the back portion 14 formed by the vertical portions of the L-shaped frames 7, 7 and the connecting frames 8a, 8b provided at both ends of the vertical portions of the L-shaped frames 7, 7. The side surfaces of the rack 1 are brought into contact with each other, and the connection frame 8a at the upper end of the L-shaped frames 7, 7 and the rack 1 are tightened and fixed with bolts and nuts.

A plurality of cable holders 15 are screwed and fixed at appropriate intervals between the vertical portions of the L-shaped frames 7, 7. The cable holder 15 is provided with a substantially rectangular cable holding hole 16 at an appropriate interval in a long member.

The cable holder 15 is for holding cables and cords connected to various devices stored in the rack 1 so as not to be complicated. The cable is inserted through the cable holding hole 16 of the cable holder 15, exits from the rear portion 14 of the fall prevention device 6, and is connected to various devices housed in the rack 1.
This makes it possible to easily connect cables without requiring a storage space for cables in the rack 1.

In addition, since various devices housed in the rack 1 require a power source, an outlet 17 is provided along the vertical portion of the L-shaped frame 7.

A mounting angle 19 having a substantially L-shaped cross section and having a number of mounting holes 18 formed along its longitudinal end is provided inside the support frames 9 and 9, respectively. Since the device 20 can be installed between the mounting angles 19 and screwed into the mounting hole 18 and fixed thereto, the fall prevention device 6 can be used alone, and the internal space of the rack 1 can be increased.

The overturn prevention device 6 can be used in the state of only the frame, but the L-shaped frames 7, 7 and the support frame 9,
9 and the front portions 22 formed by the support frames 9, 9 and the connecting frames 8a, 8c provided at both ends of the support frames 9, 9, respectively. By covering with 23, the appearance can be improved and intrusion of dust can be prevented.

In this embodiment, the overturn prevention device is fixed to the side surface of the rack. However, even if the overturn prevention device 6 is fixed to the rear surface of the rack 1 as shown in FIG. It can be changed appropriately within a range not to be performed.

[0031]

As described above, the rack overturn prevention device according to the present invention is a rack overturn prevention device that is installed on the side of a rack that accommodates various devices and supports the rack.
Fixing means comprising at least two L-shaped frames formed in a substantially L-shape, a connecting frame connecting adjacent L-shaped frames, and a supporting frame supporting both ends of the L-shaped frame. By fixing to the rack, it is possible to prevent the rack from overturning and improve the seismic performance.

A rear portion formed by a vertical portion of the L-shaped frame and connecting frames provided at both ends of the vertical portion of the L-shaped frame, and a horizontal portion of the L-shaped frame and a horizontal portion of the L-shaped frame are formed. A space in the rack is provided by using a bottom surface formed by connecting frames provided at both ends and an input / output line for inputting / outputting a cord or a cable connected to various devices housed in the rack. Can be used efficiently, and cables can be easily connected to various devices.

Further, the cable in the fall prevention device is provided by providing a cable holder for holding a cable or the like between the vertical portions of the L-shaped frame by holding a cable or the like in a cable holding hole formed in the elongated member at appropriate intervals. It is not complicated.

Also, mounting angles each having a substantially L-shaped cross section and having a number of mounting holes formed along its longitudinal end are provided on the support frame, and various devices can be mounted between the mounting angles. In addition, it is possible to use the fall prevention device alone and to cope with the addition of various devices.

In addition, since the outlet is provided in the vertical portion of the L-shaped frame, the space in the rack can be used efficiently.

Further, a flat anchor is provided in which anchor bolt insertion holes are formed at four corners of a bottom surface formed by a horizontal portion of the L-shaped frame and connecting frames provided at both ends of the horizontal portion of the L-shaped frame. By providing the bracket, the rack overturn prevention device is firmly fixed, the seismic performance is improved, and the overturn of the rack can be reliably prevented.

A front portion formed by the side portion formed by the L-shaped frame and the support frame, or a front portion formed by the support frame and the connection frames provided at both ends of the support frame;
Alternatively, at least one surface of a rear portion formed by the vertical portion of the L-shaped frame and the connecting frame provided at both ends of the vertical portion of the L-shaped frame is covered with a cover body, so that the appearance is improved and the device is overturned. This prevents dust from entering the prevention device, and further enables use of the fall prevention device alone.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a fall prevention device according to the present invention is fixed to a side surface of a rack.

FIG. 2 is a perspective view showing a state in which a cover body is attached to the overturn prevention device according to the present invention.

FIG. 3 is a perspective view showing a state in which the overturn prevention device of the present invention is fixed to the back of a rack.

FIG. 4 is a front view showing a conventional method of preventing a rack from tipping over.

FIG. 5 is a perspective view showing a conventional method of preventing a rack from tipping over.

FIG. 6 is a perspective view showing a structure for inputting and outputting a cable to and from a conventional rack.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rack 6 Fall prevention device 7 L-shaped frame 8a Connection frame 8b Connection frame 8c Connection frame 9 Support frame 10 Bottom part 11 Anchor bolt insertion hole 12 Anchor fixing device 14 Back part 15 Cable holder 16 Cable holding hole 17 Outlet 18 Mounting hole 19 Mount angle 20 Device 21 Side surface 22 Front 23 Cover

Claims (7)

[Claims] 1. A device for preventing a rack from falling over which is installed on a side surface of a rack for storing various devices and supports the rack, comprising at least two L-shaped frames formed in a substantially L shape and arranged in parallel. A rack for connecting the adjacent L-shaped frames, and a support frame for supporting both ends of the L-shaped frame, and fixed to the rack by a fixing means. 2. A back portion formed by a vertical portion of the L-shaped frame and connecting frames provided at both ends of the vertical portion of the L-shaped frame, a horizontal portion of the L-shaped frame, and the L-shaped frame. The bottom portion formed by the connecting frame provided at both ends of the horizontal portion and an input / output line portion for inputting / outputting a cord or a cable connected to various devices stored in the rack. The rack overturn prevention device according to claim 1, characterized in that: 3. A cable holder for holding a cable or the like by a cable holding hole formed in the elongated member at an appropriate interval and provided between the vertical portions of the L-shaped frame. The rack overturn prevention device according to claim 2. 4. A mount angle having a substantially L-shaped cross section and a plurality of mounting holes formed along an end in a longitudinal direction is provided on each of the support frames, and various devices can be mounted between the mount angles. The rack overturn prevention device according to claim 1, wherein: 5. The device according to claim 1, wherein an outlet is provided in a vertical portion of the L-shaped frame. 6. A flat plate having anchor bolt insertion holes at four corners of a bottom surface formed by a horizontal portion of the L-shaped frame and connecting frames provided at both ends of the horizontal portion of the L-shaped frame. The rack overturn prevention device according to any one of claims 1 to 5, further comprising an anchor fixture. 7. A side portion formed by the L-shaped frame and the support frame, or a front portion formed by the support frame and the connecting frames provided at both ends of the support frame, or the L-shaped portion. The vertical part of the mold frame and the L
The rack according to any one of claims 1 to 6, wherein at least one surface of a back surface formed by the connecting frame provided at both ends of a vertical portion of the mold frame is covered with a cover body. Fall prevention device.