JP2016086132A - Rack for electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rack for an electronic device which facilitates movement and reduces the entire height.SOLUTION: A rack for an electronic device includes a rolling device 20 at the bottom part side of a base frame 10 to which an electronic device may be attached. The rolling device 20 includes: a rolling member 21 which may roll on a floor surface F; and a support bracket 22 rotatably supporting the rolling member 21. The support bracket 22 is fastened to the base frame 10 with an outer peripheral surface of the rolling member 21 protruding downward from the base frame 10.SELECTED DRAWING: Figure 4

Description

  The present invention relates to an electronic equipment rack for storing electronic equipment such as a server computer.

Conventionally, in this type of electronic equipment rack, for example, as described in Patent Document 1, there are four support columns (4) for maintaining the overall strength, and a mount angle provided upright inside these support columns. (10) and the like, and an electronic device such as a server computer is attached to the mount angle.
By the way, the conventional rack for electronic equipment has the four support columns (4), the mount angle (10), etc., so that they are not deformed or damaged even when a heavy server computer is installed. It is formed of a metal material with a large wall thickness and is heavy. For this reason, it is very difficult to move after being assembled at a predetermined place of use.

  Therefore, it is proposed that a caster or the like is provided at the bottom of the conventional rack for electronic equipment, but the total height becomes high as the caster protrudes downward, and thus a contrivance is required.

JP 2003-69259 A

  The present invention has been made in view of the above-described conventional circumstances, and an object of the present invention is to provide an electronic device rack that can be easily moved on a floor surface and can be suppressed in overall height.

  One means for solving the above problem is that in the rack for electronic equipment having a rolling device on the bottom side of the base frame on which the electronic device can be mounted, the rolling device can roll on the floor surface. And a support bracket that rotatably supports the rolling member, and the support bracket is stopped in the base frame in a state where the outer peripheral surface of the rolling member protrudes downward from the base frame. It is characterized by wearing.

  Since the present invention is configured as described above, it can be easily moved on the floor surface and the overall height can be suppressed.

It is a front view which shows an example of the rack for electronic devices which concerns on this invention. It is a side view of the rack for electronic devices. It is a front view which shows a base frame. It is a side view which shows the base frame. It is a figure which shows schematic structure of the base frame bottom part from upper direction. It is a figure which shows schematic structure of the base frame bottom part from the upper direction about the other example of the rack for electronic devices which concerns on this invention. It is a principal part perspective view which shows the mounting structure of a rolling device. It is explanatory drawing which shows the procedure which accommodates a rolling device in a base frame in order to (a)-(c). It is a figure which shows schematic structure of the base frame bottom part from the upper direction about the other example of the rack for electronic devices which concerns on this invention. It is principal part sectional drawing which shows the mounting structure of a rolling device and a height adjustment apparatus about the other example. It is sectional drawing which shows the other example of the mounting structure of a height adjustment apparatus. It is a side view which shows the other examples of a rolling device.

The first feature of the present embodiment is that, in the rack for an electronic device having a rolling device on the bottom side of the base frame on which the electronic device can be mounted, the rolling device can roll on the floor surface. And a support bracket that rotatably supports the rolling member, and the support bracket is stopped in the base frame in a state where the outer peripheral surface of the rolling member protrudes downward from the base frame. Wear (see Figure 3).
According to this configuration, for example, compared to the conventional technique in which the bearing bracket of the caster is supported at the lower end of the base frame, the amount of downward protrusion of the rolling member can be reduced, and as a result, the portion above the bottom portion. It is possible to ensure a high height dimension.

As a second feature, the rolling device includes a lower limit position in which a lower end of the rolling member protrudes downward from a lower end of the base frame, and an upper limit in which the lower end of the rolling member is accommodated in the base frame. The position is adjustable between the positions (see FIGS. 7 and 8).
According to this configuration, for example, after the electronic device rack is installed, the rolling device can be moved to the upper limit position and the lower end of the rolling member can be stored in the base frame.

As a third feature, it comprises a movable bracket that engages the base frame so as to be movable up and down and supports the rolling device, and provides a support wall extending in the vertical direction on the base frame, The movable bracket is provided with a slide piece so as to slide in the vertical direction along the support wall, and one of the support wall and the slide piece is provided with a first screw hole and a second screw. The other side is provided with a first through hole and a second through hole corresponding to the first screw hole and the second screw hole, respectively, and the second through hole is elongated in the vertical direction. In the lower limit position, the first screw is inserted into the first through hole and screwed into the first screw hole, and the second screw is the lower end of the second through hole. It was inserted near and screwed into the second screw hole (see FIG. 7).
According to this configuration, if the first screw is removed and the second screw is loosened, the second screw is moved relatively upward in the second through hole, and the movable bracket is also moved upward. The rolling member is housed in the base frame.

As a fourth feature, a cushioning material is provided so as to provide resistance to the ascent of the movable bracket facing the base frame (see FIG. 7).
Here, the “buffer material” includes an elastic body (for example, rubber, sponge, coil spring, leaf spring, etc.) provided between the movable bracket and a member above the movable bracket, or a movable bracket. It includes a damper or the like provided to provide resistance to ascent.
According to the said structure, the shock which arises with a raise of a movable bracket can be relieve | moderated with a shock absorbing material.

As a fifth feature, the apparatus includes a height adjusting device in which a floor contact member is provided at a base portion so that the vertical position adjustment is possible. The base is mounted in the base frame so as to change the vertical position between a position protruding downward and a position housed in the base frame (see FIG. 8).
According to this configuration, the base frame can be lowered and brought into contact with the floor surface by adjustment of the height adjusting device, and in this contact state, the relatively raised rolling member is stored in the base frame. can do.

As a sixth feature, the base is provided with a height adjusting device in which a floor surface abutting member is provided so that the vertical position can be adjusted, and the rolling device is detachably provided to the base frame and removed. An outlet for taking out the rolling device at the time is provided in the base frame,
The height adjusting device is configured to change the vertical position between a position where the floor surface contact member protrudes downward from a lower end of the base frame and a position stored in the base frame. It is mounted in the base frame (see FIG. 10).
According to this structure, after taking out a rolling device inside a base frame by an exit, a base frame can be lowered | hung by a height adjusting device and it can be made to contact | abut to a floor surface.

  Next, a preferred embodiment having the above features will be described in detail with reference to the drawings.

  This rack A for electronic equipment includes a base frame 10 (see FIGS. 3 and 4) on which electronic equipment and the like can be mounted, a plurality of rolling devices 20 provided on the bottom side of the base frame 10, A door body 30 (see FIGS. 1 and 2) that covers the front and rear surfaces and side plates 41 and 42 (see FIG. 2) that cover the side surfaces of the base frame 10 are provided. Can be moved.

  The base frame 10 includes two mount frames 11, 11 arranged at intervals in the front-rear direction, two auxiliary struts 14, 14 (see FIG. 4) separated rearward from the mount frames 11, 11, and these mounts A top part 15 and a bottom part 16 fixed to the upper and lower ends of the frames 11 and 13 and the auxiliary column 14, respectively, and a plurality of side bars 17 fixed to the sides of the front and rear mounting frames 11 and 11 and the auxiliary column 14 It has.

  Each of the front and rear mount frames 11 and 11 includes two support pillars 11a and 11a that are erected apart from each other in the lateral width direction, an upper connecting rod 11b that connects the upper ends of the support pillars 11a and 11a, and the support pillars 11a. , 11a is formed in a rectangular frame shape including a lower connecting rod 11c that connects the lower end sides (see FIG. 3).

Each column 11 a is a hollow member that extends in the vertical direction across the top 15 and the bottom 16. Each strut 11a may be formed into a hollow prismatic shape by combining two members having a concave cross section (see FIGS. 5 and 7).
The support 11a is provided with a large number of support holes 10a for supporting an electronic device such as a server computer (see FIGS. 3 and 4). Each support hole 10a is a square through hole according to the illustrated example.

  The upper connecting rod 11b is a member continuous between the left and right support columns 11a and 11a (see FIG. 3), and is formed in, for example, a C channel shape.

  The lower connecting rod 11c is a member having a concave cross section that opens downward (see FIG. 4), and is continuous between the left and right columns 11a and 11a, respectively. A rolling device 20 described later is provided in the recess p in the lower connecting rod 11c.

  Further, two auxiliary struts 14 are provided so as to be positioned on the rear side of the left and right struts 11a, 11a of the rear mounting frame 11 (see FIG. 4). Each auxiliary column 14 is continuous in the vertical direction between the top 15 and the bottom 16, and has an upper end fastened to the top 15 and a lower end fastened to the bottom 16.

  The rolling device 20 includes a rolling member 21 that can roll the floor surface F, a support bracket 22 that rotatably supports the rolling member 21, and a base portion 23 that rotatably supports the support bracket 22. The support bracket 22 is fixed in the base frame 10 via the base 23 in a state where the outer peripheral surface of the rolling member 21 protrudes downward from the lower end of the base frame 10.

The rolling member 21 is formed in a cylindrical shape that can roll on the floor surface F, and is supported at the center of the rolling member 21 with respect to the support bracket 22 via a shaft member, a bearing, or the like.
The support bracket 22 is formed in a concave shape having an opening at the bottom, and the rolling member 21 is inserted into the concave portion and is rotatably supported by a shaft member.
The base 23 supports the upper part of the support bracket 22 and is fixed to the upper bottom in the recess p of the lower connecting rod 11c.
In addition, it is possible to apply a well-known rolling mechanism called a caster to the rolling device 20 having the above-described configuration, and a device that can change direction, a device that cannot change direction, or the like may be appropriately selected. .

  The top portion 15 includes a frame-like frame 15a formed by assembling four hook-like members into a rectangular frame shape, and a top plate 15b that closes the top surface of the frame-like frame 15a. 11 and the upper end of the auxiliary column 14 are fixed by screws or the like. The frame-shaped frame 15 a functions as an upper frame of the side plates 41 and 42 and the door body 30.

  The bottom portion 16 is composed of a rectangular frame-like frame 16a and a bottom plate 16b (see FIG. 5) fixed to the bottom of the frame-like frame 16a. Fastened to the lower end of 14 by screws or the like.

As shown in FIG. 5, the frame-like frame 16a is a rectangular frame made up of frames 16a2 and 16a2 arranged in parallel at right and left at intervals, and frames 16a1 and 16a1 connected to the front and rear ends of these frames 16a2 and 16a2, respectively. It is formed in a shape.
Each of the left and right frames 16a2, 16a2 functions as a lower frame of the side plates 41, 42. Each of the front and rear frames 16 a 1 and 16 a 1 functions as a lower frame of the door body 30.

According to a preferred example shown in the figure, the frame 16a1 on the rear end side is detachably fixed to the frames 16a2 and 16a2 on both sides in the width direction by screwing or the like.
A concave notch 16b1 having an opening at the rear is provided at the rear end of the bottom plate 16b. The notch 16b1 is used for inserting an electric wire of an electronic device or the like mounted on the electronic device rack A.
According to the above configuration, when the frame 16a1 is removed, an electric wire is inserted into the cutout portion 16b1, and then the frame 16a1 is fixed to the other frames 16a2 and 16a2 to close the rear end of the cutout portion 16b1. Since it is good, the operation | work which penetrates an electric wire to the baseplate 16b can be performed easily.

  Moreover, the side bar 17 is extended in the substantially horizontal direction, and is fixed to the side part of the support | pillar 11a and the auxiliary | assistant support | pillar 14 by screwing etc. As shown in FIG. The side bar 17 is used for holding the wiring of the electronic device, but may be omitted.

A plurality of height adjusting devices 18 for adjusting the height position of the base frame 10 with respect to the floor surface F are provided on the bottom surface of the base frame 10 configured as described above at intervals in the left-right width direction and the front-rear direction.
Each height adjusting device 18, a base portion 18c fixed to the bottom portion of the base frame 10, a screw shaft 18a that is screwed into the base portion 18c and protrudes downward, and a disk-like shape attached to the lower end of the screw shaft 18a The floor contact member 18b is provided, and the lower end position of the floor contact member 18b can be adjusted by rotating the screw shaft 18a and the floor contact member 18b.

  The door bodies 30 are provided on the front side and the rear side of the base frame 10, respectively. Each door 30 has one end in the width direction supported by the base frame 10 via a hinge or the like, and opens or closes the front or rear surface of the base frame 10 by rotating.

  Further, the side plates 41 and 42 are provided on both side surfaces of the base frame 10, respectively. The side plates 41 and 42 are mounted between the top portion 15 and the bottom portion 16 so as to slide in the front-rear direction. Therefore, if one or both of the side plates 41 and 42 are slid, the side of the base frame 10 can be opened, and maintenance and the like for the electronic device mounted on the base frame 10 can be easily performed.

Next, the characteristic operational effects of the electronic equipment rack A having the above-described configuration will be described in detail.
According to the above embodiment, when the floor contact member 18b of the height adjusting device 18 is separated from the floor surface and the electronic equipment rack A is pushed in the horizontal direction, the rolling member 21 of the rolling device 20b is moved. Since it rolls on the floor, the electronic equipment rack A can be easily moved to a predetermined installation position. After the electronic equipment rack A is moved to a predetermined position, the floor contact member 18b of each height adjusting device 18 is lowered and brought into contact with the floor to prevent the electronic equipment rack A from moving. The rack A for electronic equipment can be prevented from rattling against the floor surface.
And since the rolling device 20 is provided in the recessed part p of the base frame 10 bottom part, the total height of the said rack A for electronic devices can be made comparatively low.

  Next, another embodiment of the electronic equipment rack according to the present invention will be described. In addition, since the Example shown below changes a part of the said Example 1, it mainly explains in detail the changed part and uses the same code | symbol about the part same as the said Example 1. A duplicate description will be omitted.

  6 to 8 is an electronic device rack B in which the mounting structure of the rolling device 20 and the height adjusting device 18 is changed with respect to the electronic device rack A described above. In this electronic equipment rack B, the base frame 10 is configured by omitting the auxiliary struts 14 (see FIG. 4) in the electronic equipment rack A.

The rolling device 20 has a lower limit position (see FIG. 8A) in which the lower end of the rolling member 21 protrudes downward from the lower end of the base frame 10, and the lower end of the rolling member 21 as a concave portion of the base frame 10. The position can be adjusted with respect to the upper limit position (see FIG. 8C) stored in p.
More specifically, a movable bracket 51 is engaged with the lower side of the base frame 10 so as to be movable up and down, and the rolling device 20 is attached to the movable bracket 50 (FIGS. 7 and 8). reference).

  The movable bracket 50 includes a base piece portion 51 that extends in a substantially horizontal direction by pressing a metal plate material, and a slide piece portion that extends upward from both ends of the base piece portion 51 and is inserted into the column 11a. 52 is formed in a substantially concave shape in front view. 7 shows only the structure on the left half side, and the structure on the right half side is bilaterally symmetric.

  The base piece 51 is formed so as to fit in the recess p at the lower end of the mount frame 11 and move up and down. A buffer material 60 is fixed to the upper surface of the base piece 51.

  The buffer material 60 is formed in a flat plate shape along the upper surface of the base piece 51 by a material (for example, an elastic body such as rubber or sponge) that can elastically change the thickness dimension in the vertical direction.

Each slide piece 52 extends upward from the left and right ends of the base piece 51, and is inserted into the column 11a from below so as to slide up and down in the column 11a.
Each slide piece 52 is provided with a first screw hole 52a and a second screw hole 52b so as to be spaced apart in the vertical direction.

  On the other hand, the column 11a has a part of its peripheral wall (in the illustrated example, the wall portion inside the base frame 10) as a support wall 11a1 (see FIG. 7) that supports the slide piece portion 52 in an overlapping manner. The support wall 11a1 is provided with a first through hole 11a11 and a second through hole 11a12 so as to correspond to the first screw hole 52a and the second screw hole 52b of the slide piece 52, respectively. . The first through hole 11a11 is formed in a round hole shape, and the second through hole 11a12 is formed in a long hole shape that is long in the vertical direction.

The movable bracket 50 is inserted into the space on the lower end side of the mount frame 11 (specifically, in the support column 11a and the lower connecting rod 11c) from below. The movable bracket 50 is fixed by a first screw 53 a and a second screw 53 b at a lower limit position where the lower end of the rolling member 21 protrudes downward from the lower end of the base frame 10.
At this time, the first screw 53a is inserted into the lower first through hole 11a11, screwed into the lower first screw hole 52a, and tightened (see FIG. 7).
Further, the second screw 53b is inserted near the lower end of the elongated second through-hole 11a12, screwed into the upper second screw hole 52b, and tightened (see FIG. 7).

In the second embodiment, the height adjusting device 18 is housed in the base frame 10 at a position where the floor contact member 18b protrudes downward from the lower end of the base frame 10 (see FIG. 8A). It is attached to the base frame 10 so as to move up and down between the positions (see FIG. 8C).
According to the height adjusting device 18, when the screw shaft 18 a is rotated in the loosening direction with respect to the base portion 18 c, the floor surface abutting member 18 b moves downward and protrudes below the lower end of the base frame 10. To do. Further, if the screw shaft 18a is rotated in the tightening direction with respect to the base portion 18c, the floor contact member 18b is flush with the lower end of the base frame 10 or above the lower end of the base frame 10, and is stored in the base frame 10. (See FIG. 8).

The base portion 18c of the height adjusting device 18 is fixed to the frame 16a2 constituting the bottom portion 16 of the base frame 10 by detachable fixing means such as screws.
Further, an outlet 16b2 (see FIG. 6) for taking out the height adjusting device 18 when removed is provided on the bottom side in the base frame 10. According to the illustrated example, the outlet 16b2 is a through hole or notch formed in the bottom 16.

Next, the characteristic operation and effects of the second embodiment shown in FIGS. 6 to 8 will be described in detail.
The electronic equipment rack B is moved to a predetermined installation position by rolling the rolling member 21 onto the floor (see FIG. 8A).
Thereafter, as shown in FIG. 8B, when the screw shaft 18a of the height adjusting device 18 is loosened, the floor surface contact member 18b contacts the floor surface F.
In this contact state, if the first screw 53a is loosened and removed, and the second screw 53b is loosened, the rolling device 20 enters a free state in which it can move up and down, and the weight of the electronic equipment rack B is adjusted in height. Supported by device 18.

  Next, if the screw shaft 18a and the floor contact member 18b of the height adjusting device 18 are rotated in the tightening direction, the base frame is moved as the floor contact member 18b moves upward relative to the base frame 10. 10 gradually descends, and the lower end of the base frame 10 abuts against the floor surface F. At this time, the movable bracket 50 integrated with the rolling device 20 rises relative to the base frame 10 and comes into contact with the upper bottom in the lower connecting rod 11c via the cushioning material 60 (see FIG. 8C). ). The shock at the time of this contact is absorbed by the buffer material 60.

Thereafter, the height adjusting device 18 can be removed from the base frame 10 if unnecessary. When the height adjusting device 18 is removed, the height adjusting device 18 is taken out to the inside of the base frame 10 through the outlet 16b2.
Further, the base frame 10 is fixed to the floor surface F by an anchor (not shown) as necessary.

  Further, when the electronic equipment rack B is moved again, the reverse procedure to the above may be performed. That is, after the anchor is removed and the height adjusting device 18 is mounted, if the floor contact member 18b is moved downward and pressed against the floor F by a rotation operation of the height adjusting device 18, the base frame 10 is Lifted. Then, as the bottom portion 16 moves away from the floor surface F, the rolling device 20 relatively moves downward due to its own weight, and the outer peripheral surface projects downward from the lower end of the base frame 10. If the first screw 53a and the second screw 53b are tightened in this protruding state, the protruding state of the rolling device 20 is fixed. Thereafter, if the floor contact member 18b of the height adjusting device 18 is raised, the electronic equipment rack B supported by the rolling device 20 can be easily moved.

  Next, the electronic equipment rack C whose main parts are shown in FIGS. 9 to 10 will be described. This electronic equipment rack C is obtained by changing the mounting structure of the rolling device 20 and the height adjusting device 18 with respect to the electronic equipment rack A described above.

  In this electronic equipment rack C, the rolling device 20 and the height adjusting device 18 are detachably attached to the base frame 10. And in the bottom part side in the base frame 10, the outlet 16b3 (refer FIG. 9) for taking out the base frame 10 and the height adjustment apparatus 18 at the time of removing is provided.

  As shown in FIG. 10, the rolling device 20 and the height adjusting device 18 are configured so that the outer peripheral surface of the rolling member 21 and the floor surface contact member 18 b protrude downward from the lower end of the base frame 10. The frame 10 is detachably mounted.

  If it demonstrates in detail, the base 18c of the height adjusting device 18 is screwed to the inner surface of the frame 16a2 on the lower end side of the base frame 10 (see FIG. 10). The height adjusting device 18 is configured such that when the screw shaft 18a and the floor contact member 18b are rotated in the tightening direction and relatively raised, the floor contact member 18b is accommodated in the base frame 10. In addition, a fixed position of the base portion 18c is set. The rolling device 20 also has a base 23 screwed to the inner surface of the frame 16a2 on the lower end side of the base frame 10.

Further, the outlet 16b3 is a through hole or notch formed in the bottom portion 16, and is formed in a size including the height adjusting device 18 and the rolling device 20 in a plan view as shown in FIG. .
Although illustration of the mount frame 11 and the auxiliary column 14 is omitted according to FIG. 9, the mount frame 11 and the auxiliary column 14 are erected on the upper surface side of the bottom 16 so as to avoid the outlet 16b3. The

Therefore, according to the electronic equipment rack C, after the rolling member 21 is rolled and moved to a predetermined position, the floor contact member 18b of the height adjusting device 18 is in contact with the floor F (FIG. 10). First, when the rolling device 20 is removed, the base frame 10 is supported on the floor surface F by the height adjusting device 18. The removed rolling device 20 can be taken out to the inside of the base frame 10 through the outlet 16b3.
Thereafter, if the screw shaft 18a and the floor contact member 18b in the height adjusting device 18 are rotated in the tightening direction, the base frame 10 is lowered and brought into contact with the floor F, and the floor contact member 18b is The entire height adjusting device 18 can be accommodated in the base frame 10.
Further, after that, if unnecessary, the height adjusting device 18 can be removed and taken out from the outlet 16b3.

  In addition, according to the said Example, although the height adjustment apparatus 18 was attached with respect to the side frame 16a2 which comprises the frame-shaped frame 16a so that attachment or detachment was possible, as shown in FIG. The height adjusting device 18 can be detachably attached to the front or rear frame 16a1 using screws or the like.

  Moreover, in the said Example, the rolling device 20 can use things other than the Example mentioned above. For example, the rolling device 20 shown in FIG. 12 has a notch portion 23a having a downward opening and a fixing hole 23b in the base portion 23. According to this rolling device 20, the notch 23a can be fitted to a screw that has been fixed to the base frame 10 side in advance, so that the rolling device 20 can be positioned. Can be improved.

  Moreover, in Example 1 and 2 mentioned above, although attachment / detachment of the rolling device 20 was not mentioned, also about these Example 1 and 2, it can attach / detach the rolling device 20 similarly to Example 3. FIG. It can be configured. In this case, for example, an outlet may be provided on the upper surface of the lower connecting rod 11c so that the rolling device 20 can be taken out into the base frame 10 through the outlet.

  Moreover, according to the said Example, although the rack for electronic devices which has the door body 30, the side plates 41 and 42, and the bottom part 16 grade | etc., Was comprised, as another example, the door body 30, the side plates 41 and 42, the bottom part 16 grade | etc., Were comprised. The electronic equipment rack having only the base frame 10 or the electronic equipment rack having only the single mount frame 11 may be omitted. Similarly, the rolling device 20 and the height adjusting device 18 can be provided.

  Further, the means for adjusting the vertical position of the rolling device 20 is not limited to the one shown in FIGS. 7 and 8, and as another example, the rolling device 20 is fixed in the embodiment of FIG. It is also possible to provide a structure in which the vertical position of the rolling device 20 is adjusted by providing a plurality of screw holes for the vertical direction on the side surface of the frame 16a2 and selectively using the plurality of screw holes. It is.

DESCRIPTION OF SYMBOLS 10: Base frame 11: Mount frame 11a: Support | pillar 11a1: Support wall 11a11: 1st through-hole 11a12: 2nd through-hole 11c: Lower side connecting rod 14: Auxiliary support | pillar 16: Bottom plate part 16a: Frame-shaped frame 16a1, 16a2: Frame 20: Rolling device 21: Rolling member 22: Support bracket 23: Base 50: Movable bracket 51: Base piece 52: Slide piece 52a: First screw hole 52b: Second screw hole 53a: First screw 53b: Second screw 60: Buffer material A: Rack for electronic equipment F: Floor surface p: Recess

Claims (6)

In the rack for electronic equipment equipped with a rolling device on the bottom side of the base frame on which the electronic equipment can be mounted,
The rolling device includes a rolling member capable of rolling the floor surface and a support bracket that rotatably supports the rolling member, and causes the outer peripheral surface of the rolling member to protrude downward from the base frame. The rack for electronic equipment, wherein the support bracket is fixed in the base frame in a state where   The rolling device is positioned between a lower limit position in which the lower end of the rolling member protrudes downward from the lower end of the base frame and an upper limit position in which the lower end of the rolling member is accommodated in the base frame. The rack for electronic equipment according to claim 1, wherein the rack is provided so as to be adjustable. A movable bracket that engages the base frame so as to be movable up and down and supports the rolling device;
A support wall extending in the vertical direction is provided on the base frame, and a slide piece is provided on the movable bracket so as to slide in the vertical direction along the support wall.
A first screw hole and a second screw hole are provided in one of the support wall and the slide piece portion, and the other corresponds to the first screw hole and the second screw hole, respectively. The first through hole and the second through hole are provided and the second through hole is formed into a long hole shape that is long in the vertical direction,
In the lower limit position, the first screw is inserted into the first through hole and screwed into the first screw hole, and the second screw is inserted closer to the lower end of the second through hole. The electronic device rack according to claim 2, wherein the electronic device rack is screwed into the screw hole.   4. The rack for electronic equipment according to claim 3, wherein a buffer material is provided so as to give resistance to the ascent of the movable bracket facing the base frame. Provided with a height adjustment device provided with a floor contact member at the base so that the vertical position can be adjusted,
The height adjusting device is configured to change the vertical position between a position where the floor surface contact member protrudes downward from a lower end of the base frame and a position stored in the base frame. The rack for electronic equipment according to any one of claims 2 to 4, wherein the rack is mounted in a base frame. Provided with a height adjustment device provided with a floor contact member at the base so that the vertical position can be adjusted,
The rolling device is detachably provided to the base frame, and an outlet for taking out the rolling device when removed is provided in the base frame.
The height adjusting device is configured to change the vertical position between a position where the floor surface contact member protrudes downward from a lower end of the base frame and a position stored in the base frame. The electronic equipment rack according to claim 1, wherein the electronic equipment rack is mounted in a base frame.

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