JP4463018B2 - Rack frame and rack using the same - Google Patents

Description

  The present invention relates to a rack frame for storing an electronic device such as an uninterruptible power supply and a rack using the same. In particular, the present invention relates to a rack frame that can be freely combined in the height direction and a rack using the same.

  An uninterruptible power supply (UPS) is used in a computer network system based on a server, a measurement system including a plurality of devices, and the like. A plurality of uninterruptible power supply devices are incorporated in a rack to supply power to servers, storage devices, computers, measuring instruments, and the like. A storage electronic device (hereinafter, an electronic device stored in a rack including an uninterruptible power supply is referred to as a storage electronic device) is incorporated into a rack of a cabinet type or the like using a rack mounting rail.

  FIG. 7 is a perspective view showing a schematic configuration of a conventional rack. As shown in FIG. 7, the conventional rack 30 has a structure in which four support columns 31 are connected and fixed at the corners of the upper frame 32 and the lower frame 33. A positioning stay 31a for attaching the rack mounting rail 35 shown in FIG.

  FIG. 8 is a perspective view showing a configuration of a rack mounting rail. As shown in FIG. 8, the rack mounting rail 35 is configured such that a slide portion 35a located on the back side slides to the left and right as indicated by an arrow, so that the length of the rack mounting rail 35 can be adjusted.

  In order to incorporate the storage electronic device into the rack 30, first, the length of the rack mounting rail 35 is adjusted in accordance with the depth of the rack 30, and the rack mounting rail 35 is placed in a stay for positioning the column 31 of the rack 30. Attached to 31a, the storage electronic device is inserted from the front of the rack 30 along the rack mounting rail 35, and the rack 30 is mounted on the rack fixing bracket 22 (see FIG. 6B) provided on the front of the storage electronic device. To be fixed to. Further, if necessary, the back surface of the storage electronic device is fixed to the rack mounting rail 35 using metal fittings (see, for example, Non-Patent Document 1).

  A cabinet rack in which a side panel, a back panel, a top panel, and a bottom panel are attached to a conventional rack 30 is also used (see, for example, Non-Patent Document 2).

Settsu Metal Industry Co., Ltd. Product Catalog “Cabinet” Page 152 [online] [May 31, 2004] Internet <URL: http://www.settsu.co.jp/jp/products/rack/rkc2/rkc2. pdf Settsu Metal Industry Co., Ltd. Product Catalog “Cabinet” page 155 [online] [May 31, 2004] Internet <URLhttp: //www.settsu.co.jp/jp/products/rack/rkc2/rkc2_acce.pdf

  When an electronic device is incorporated into a rack, it is necessary to prepare a separate rack mounting rail and attach the rack mounting rail to the rack. In addition, when an electronic device is added, if the specified number of stored electronic devices is already attached to the rack, it is necessary to replace the rack with another one. For this reason, it was not possible to easily add storage electronic devices. In addition, it is possible to prepare a rack with a large number of stored electronic devices in advance and handle expansion, but the size of the rack increases, which increases installation space and increases the cost of the rack. End up.

  In addition, since the rack mounts rails for rack mounting on the pillars arranged at the corners, the installation area of the rack becomes larger than the bottom area of the storage electronic device.

  Therefore, there is a demand for a rack that can be easily expanded in storage electronic devices, can be freely combined in the height direction, and does not require rack mounting rails and can be reduced in cost. .

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a rack frame and a rack using the same, in which storage electronic devices can be easily added and can be freely combined in the height direction.

The rack frame according to the present invention is a rack frame that can be stacked on the side surface of the storage device, and includes a bottom surface that holds the storage device in contact with the bottom surface of the storage device, and a rack frame that is positioned in the upper stage. The upper surface portion that contacts the bottom surface portion, the front surface portion that contacts the rack mounting flange of the storage device, and the bottom surface portion, the upper surface portion, and the side surface portion that is integrated with the front surface portion. Has a fixing screw hole, the upper surface portion is bent from the upper side of the side surface portion vertically to the storage device side, contacts the bottom surface portion of the rack frame located in the upper stage, and at least a part of the upper surface portion and the side surface portion. The guide portion is formed in parallel and is bent vertically downward from the front end of the contact portion, and the guide portion is located on the side surface portion side of the bottom surface portion in contact with the bottom surface of the storage device. It is intended to be disposed.

  The rack according to the present invention has a structure in which the rack frame racks are stacked.

  The rack frame according to the present invention can be freely combined in the height direction, and a rack using the rack frame can easily add storage electronic devices.

  In addition, since the rack frame can be manufactured according to the height of the electronic device, the rack can store electronic devices having different heights.

  Further, by using the rack frame according to the present invention, the rack can be completed in a short time, and the rack mounting rail is not required, so that the assembly work time is shortened.

  Further, by using the rack frame according to the present invention, the rack support and side panels of the conventional rack are replaced with the rack frame, and the number of parts to be used is reduced, so that the rack can be manufactured at low cost.

  Embodiments of a rack frame and a rack using the same according to the present invention will be described below with reference to the drawings.

  The rack frame according to the present invention and the rack using the same are a bottom surface portion that contacts the bottom surface of the storage device and holds the storage device, a top surface portion that contacts a bottom surface portion of the rack frame located in the upper stage, and a storage device. Stacking a rack frame composed of a front surface portion in contact with a rack mounting flange, a back surface portion and a side surface portion in contact with a stay or a rear panel so that the bottom surface portion of another rack frame is in contact with an upper surface portion, By using rack frames that can be stacked in units of racks, it is possible to freely combine in the height direction, and electronic devices can be easily assembled and added.

  First, the structure and function of the rack frame used in the rack will be described. FIG. 1 is a perspective view showing a rack frame on the right side wall according to the present invention, FIG. 2 is a perspective view showing a rack frame on the left side wall according to the present invention, and FIG. It is a perspective view which shows a state.

  The rack frame is composed of a rack frame on the right side wall located on the right side surface of the storage device shown in FIG. 1 and a rack frame on the left side wall located on the left side surface of the storage device shown in FIG. Note that the rack frame on the right side wall and the rack frame on the left side wall are bilaterally symmetric and will be described with the same reference numerals.

  As shown in FIG. 1 and FIG. 2, the rack frame 1 on the right side wall and the rack frame 2 on the left side wall have a box shape and support the storage electronic device 20 in contact with the bottom surface of the storage electronic device 20. A bottom surface portion 5, a top surface portion 6 in contact with the bottom surface portions 5 of the rack frames 1 and 2 located in the upper stage, a front surface portion 7 in contact with a rack mounting flange 22 (shown in FIG. 6) of the storage electronic device 20, The rear panel 8 is in contact with the rear panel (not shown, added if necessary) of the rack 10, and the bottom unit 5, the upper unit 6, the upper unit 6, and the side unit 9 integrated with the rear unit 8. ing.

  The bottom surfaces 5 of the rack frames 1 and 2 shown in FIGS. 1 and 2 are formed of a surface bent vertically from the bottom of the side surface 9. The bottom surface portion 5 is provided with a support portion 5 a for supporting the storage electronic device 20 in contact with the bottom surface of the storage electronic device 20, and a notch portion 5 b for passing the connection cable on the back side. Note that the length in the back direction of the support portion 5 a of the bottom surface portion 5 is substantially the same as the depth dimension of the storage electronic device 20. Further, the length of the notch portion 5b to the back surface portion 8 is determined from the space necessary for cable convergence and the space necessary for cooling the storage device. .

  Further, the bottom surface portion 5 is provided with two screw holes 5c for coupling and fixing to the top surface portions 6 of the other rack frames 1 and 2 located in the lower stage. 1 and 2 indicate a region where the support portion 5a is in contact with the bottom surface of the storage electronic device 20.

The upper surface portion 6 shown in FIGS. 1 and 2 is for stacking the rack frames 1 and 2, and is a surface bent vertically from the upper side of the side surface portion 9 toward the storage electronic device side, that is, other than the upper portion. The contact frame 6a is in contact with the bottom surface 5 of the rack frames 1 and 2 and further includes a guide 6b formed in parallel with the side surface 9 and bent vertically downward from the tip of the contact 6a.

The contact portion 6a of the upper surface portion 6 is provided with two screw holes 6c for coupling and fixing to the lower surface portions 5 of the other rack frames 1 and 2 located in the upper stage. The guide portion 6 b of the upper surface portion 6 needs to be disposed on the side surface portion 9 side with respect to the region in contact with the bottom surface of the storage electronic device 20 in the support portion 5 a of the bottom surface portion 5. With this configuration, the bottom surface portion 5 (support portion 5a) can support the storage electronic device 20, and the guide portion 6b of the top surface portion 6 serves as a guide when the device is stored in the rack 10 (shown in FIG. 4). In addition, the storage electronic device 20 is prevented from sliding left and right. Further, the front end portion 6b1 of the guide portion 6b located on the front surface portion 7 side of the rack frame is bent to the side surface portion 9 side so as to be easily performed when the electronic device is accommodated. Also, a cable fixing screw hole 6d is provided on the back side of the guide portion 6b for fixing the bundled cable with a metal fitting or the like. Note that the upper surface portion 6 is formed integrally with the side surface portion 9 and also serves as a reinforcement of the rack frame by being bent vertically from the upper side of the side surface portion 9 toward the storage electronic device side .

  The front surface portion 7 shown in FIGS. 1 and 2 is formed integrally with the side surface portion 9, and fixes a rack mounting flange 22 (shown in FIG. 6B) attached to the storage electronic device 20. Is for. The front surface portion 7 is provided with a screw hole 7a, and the front surface portion 7 and the rack mounting flange 22 are fixed with screws or the like.

  1 and 2 are located on the back of the rack frames 1 and 2 and are provided with screw holes 8a for attaching a back cover, stays, or the like. It can be attached to the back. The back surface portion 8 is formed integrally with the side surface portion 9 and is configured to be parallel to the front surface portion 7.

  Further, the height of the rack frame (the length from the bottom surface portion 5 to the top surface portion 6) is determined by the height of the electronic device 20 to be stored. Since the rack frame according to the present invention can be manufactured with a freely defined height, it can also be used for electronic devices 20 having different heights. Note that there is a standard for the height of the electronic equipment stored in the rack, and it is generally designed with dimensions that are multiples of the standard dimensions (44.45 mm, 50 mm, etc.). For example, in EIA (Electronic Industries Association), the standard dimension is 44.45 mm, the height 44.45 mm is referred to as 1 U, and the 88.90 mm (44.45 mm × 2) is referred to as 2 U. Since the rack frame according to the present invention can be manufactured corresponding to a height that is an integral multiple of the standard dimension of each standard, the units can be used in combination.

  The rack frame described above is manufactured using a steel material (for example, SECC). The rack frame can be manufactured at low cost because the steel material is manufactured by sheet metal processing and does not require incorporation of other parts.

  Next, a method of stacking the rack frames 1 and 2 when assembling the rack 10 will be described. FIG. 3 is a perspective view showing a state in which the rack frame 1 on the right side wall is stacked and fixed. As shown in FIG. 3, the rack frame is formed by overlapping the contact portion 6 a of the upper surface portion 6 of the rack frame 1 positioned at the lower level and the bottom surface portion 5 of the rack frame 1 positioned at the upper level. The screw hole 6c in the upper surface portion 6 of the rack frame 1 positioned and the screw hole 5c provided in the lower surface portion 5 of the rack frame 1 positioned in the upper stage are fixed with screws 15 and nuts as fixing brackets. To. Two screw holes are provided in the contact surface 6 a and the lower surface portion 5 of the upper surface portion 6 of the rack frame, and each is fixed with a screw 15. When the electronic device 20 is stored in the rack 10, the electronic device moves along the guide portion 6b of the upper surface portion 6 of the rack frame, so that the electronic device does not interfere with the screws for fixing. Yes.

  Thus, the rack frames 1 and 2 can be extended freely in the height direction by overlapping and fixing the bottom surface portion 5 of the other rack frame to the contact portion 6a of the top surface portion 6 of the rack frame. . In addition, the rack frames 1 and 2 can be stacked on racks having different heights.

  Next, the rack frame 2 on the left side wall is also stacked and fixed in the same manner as the rack frame 1 on the right side wall. The right side wall and the right side wall rack frame form a pair, and when stacking, the same height rack frame is used.

  By stacking and fixing the rack frame 1 on the right side wall and the rack frame 2 on the left side wall as described above, the right side wall and the left side wall used for the rack 10 are completed.

  Next, the rack 10 using the rack frame described above will be described. FIG. 4 is a perspective view showing the structure (assembled state) of the rack 10 using the rack frame according to the present invention.

  As shown in FIG. 4, the rack 10 includes a right side wall in which a plurality of right side rack frames 1 are stacked, a left side wall in which a plurality of left side rack frames 2 are stacked, a bottom plate 12, and an upper panel 11. Consists of. The rack frames 1 and 2 are fixed to the bottom plate 12 by screws through the screw holes 5c in the bottom surface portion 5 of the rack frames 1 and 2 located at the lowermost stage of the right side wall and the left side wall. Further, the upper surface panel 11 and screws are fixed by screw holes 6c in the upper surface portion 6 of the rack frames 1 and 2 located at the uppermost stage of the right side wall and the left side wall.

  A rack 10 shown in FIG. 4 is formed by stacking 10 rack frames 1 on the right side wall and rack frames 2 on the left side wall, and can store up to 10 devices.

  FIG. 5 is a plan view of the rack 10 with the top panel 11 removed. As shown in FIG. 5, the electronic device 20 to be stored (indicated by a dotted line) is held by a support portion 5a (see FIGS. 1 and 2) of the bottom surface portion 5 of the rack frame. On the back surface of the electronic device 20, a cable storage space 13 having a width substantially the same as the width of the electronic device 20 is provided by the notch portion 5 b of the bottom surface portion 5. Thereby, even if the connector located on the back surface of the electronic device 20 is in the lower part near the side surface of the electronic device 20, the connector of the connection cable and the cable can be connected without contacting the bottom surface portion 5 of the rack frame. Defects can be prevented. In addition, since the space required for cooling the electronic device 20 is secured by the cutout portion of the bottom surface portion 5 of the rack frame, heat generation of the electronic device 20 can be suppressed.

  In addition, since the rack frames 1 and 2 used in the rack 10 are not affected by the width of the storage device, by preparing the bottom plate 12 and the top panel 11 according to the width of the storage device, It can correspond to electronic devices of various widths.

  Hereinafter, an example in which the electronic device 20 is stored in the rack 10 illustrated in FIG. 4 will be described. FIG. 6A is a diagram illustrating a state in which the electronic device 20 is stored in the rack 10. FIG. 6B is an enlarged view of the rack fixing bracket indicated by the dotted line in FIG. 6A. As shown in FIGS. 6A and 6B, the electronic device 20 is placed on the rack frame from the front surface of the rack 10, and is attached to the rear surface of the rack 10 using a handle 23 positioned on the front surface of the electronic device 20. The rack frames 1 and 2 are stored so as to be pushed in. Thereafter, screws are inserted into the rack fixing screw holes of the rack fixing bracket 22 attached to the front side surface of the electronic device 20 and the screw holes 7a of the rack frames 1 and 2, so that the electronic device 20 is mounted on the rack frame 1. , 2 is fixed to the front surface portion 7. The rack 10 shown in FIG. 6A shows a state in which 10 types of devices are stored.

  As described above, the components constituting the rack 10 according to the present invention are only the rack frame 1 on the right side wall, the rack frame 2 on the left side wall, the low plate, and the upper panel 11. Because the number of parts is small, it can be manufactured at low cost. Further, since it is not necessary to attach the guide rail to the support unlike the conventional rack, the rack can be assembled in a short time, and after assembly, the equipment can be stored without adjusting the rack. Moreover, since the installation area of the rack 10 is smaller than the conventional rack, space can be used effectively.

It is a perspective view which shows the frame for racks of the right side wall by this invention. It is a perspective view which shows the frame for racks of the left side wall by this invention. It is a perspective view which shows the state which stacked and fixed the frame for racks of the right side wall. It is a perspective view which shows the structure (assembly state) of the rack using the frame for racks by this invention. It is a top view of the rack of the state which removed the upper surface panel. (A) is the figure which shows the state which accommodated the apparatus in the rack, (b) is the figure which expanded the rack fixing bracket shown by the wavy circle mark in (a). It is a perspective view which shows the schematic structure of the conventional rack. It is a perspective view which shows the structure of the rail for rack mountings.

Explanation of symbols

1 Rack frame on the right side wall
2 Left side rack frame 5 Bottom surface 5a Supporting portion
5b Notch part 5c Screw hole 6 Upper surface part
6a Contact part 6b Guide part
6c Screw hole 6d Cable fixing screw hole 7 Front face part 7a Screw hole 8 Back face part 8a Screw hole 9 Side face part 10 Rack 11 Top panel 12 Bottom plate 13 Cable storage space 15 Screw 20 Electronic equipment 22 Rack fixing bracket 23 Handle 30 Conventional Rack 31 Post 31a Positioning stay 32 Upper frame 33 Lower frame 35 Rack mounting rail 35a Slide portion

Claims (2)

A rack frame that can be stacked on the side of the storage device,
A bottom surface portion that holds the storage device in contact with the bottom surface of the storage device; a top surface portion that contacts a bottom surface portion of the rack frame located in the upper stage; a front surface portion that contacts a rack mounting flange of the storage device; the bottom surface portion; It is composed of an upper surface portion and a side surface portion integrated with the front surface portion,
The bottom surface and the top surface have fixing screw holes,
The upper surface portion is bent perpendicularly from the upper side of the side surface portion toward the storage device, is in contact with the bottom surface portion of the rack frame located in the upper stage, and at least a part is formed in parallel with the side surface portion, and the tip of the contact portion It consists of a guide part bent vertically downward from
The rack frame , wherein the guide portion is disposed closer to the side surface than a region of the bottom surface contacting the bottom surface of the storage device .   The rack according to claim 1, wherein the rack is configured by stacking frame racks.

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