JPH071827Y2 - Electronic device rack structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Overview] An electronic device rack structure in which a plurality of electronic device racks are integrally fixed in parallel is provided, and there is no risk of damaging the shelf during standing and no reduction in cooling effect. For the purpose of providing an electronic device rack structure, an electronic device rack having a structure in which a plurality of shelves accommodating electronic units are stacked and the left and right side surfaces of each shelf are sandwiched by a pair of narrow frames. The outer side surfaces of the frame are brought into close contact with each other, a desired number of the electronic device racks are arranged side by side, and a lower rack connecting plate that bridges the lower portion of the frame and an upper rack connecting plate that bridges the head portion. And a plurality of the electronic device racks are integrated, and protective metal fittings having a depth length whose rear end face substantially coincides with the rear side face of the shelf are arranged at the left and right ends of the frame of the electronic device rack. At the bottom,
The structure is such that it is attached so as to project rearward.

[Industrial application field]

The present invention relates to an electronic device rack structure in which a plurality of electronic device racks are integrally fixed in parallel.

2. Description of the Related Art In electronic devices, particularly communication devices, in response to a demand for downsizing, electronic units are housed in box-shaped shelves with small left and right widths and large depths. BACKGROUND ART In recent years, a slim and tall electronic device rack in which the left and right side surfaces of a vehicle are held by a pair of narrow frames has been widely used in recent years.

In the electronic device rack as described above, a plurality of groups are generally erected in parallel.

[Conventional technology]

FIG. 3 is a standing view of a conventional electronic device rack, FIG. 4 is a view showing a main part of a conventional example, (a) is a rear view, and (b) is a side view at the time of standing.

In FIGS. 3 and 4, reference numeral 3 denotes a box-shaped shelf that accommodates an electronic unit and has a small left and right width and a large depth.

On the left and right side plates, rear side plate and upper plate, and lower plate of the shelf 3,
A large number of ventilation slits are provided in parallel.

Reference numeral 2 denotes a frame made of a metal plate such as aluminum having a narrow width smaller than the depth of the shelf 3. In a state where several shelves 3 (six in the figure) are stacked, a pair of frames 2 holds the left and right side plates of the respective shelves near the front side and is fixed by using bolts 9.

Then, a box-shaped lower frame fixing frame 5 having front and upper surfaces opened is inserted into the lower part of the pair of frames 2 and screwed with bolts, so that the left and right frames 2 are integrated via the lower frame fixing frame 5. Further, by inserting a box-shaped upper frame fixing frame 6 having an opened lower surface into the heads of the pair of frames 2 and screwing them with bolts, the heads of the left and right frames 2 are fixed to the upper frame fixing frames. It is fixed integrally via 6.

By doing so, the slim and tall electronic device rack 1 is configured.

However, the slim electronic device rack 1 as described above is rarely used alone, and a system is configured by several main racks, one spare rack, and a control rack.

Therefore, the test in the manufacturing factory, the shipment, the carry-in, and the on-site installation are performed in a state in which the plurality of electronic device racks 1 are arranged in parallel and integrally fixed.

In order to integrate a plurality of electronic device racks 1 in parallel, as shown in detail in FIG.
The lower frame connecting plate 7 having an angled shape in a side view is connected to the lower part of the vertical frame member, and the vertical plate member is fixed to the respective lower frame fixing frames 5 using bolts 16.

In addition, as shown in FIG. 3, the head of the electronic device rack 1 in a parallel state is connected with the upper rack connecting plate 8 having an angle shape in side view,
The horizontal plate member is fixed to each upper frame fixing frame 6 with a bolt, and is connected to the lower portion and the head portion of each electronic device rack 1 to be integrated.

The electronic device rack in which a plurality of electronic device racks are integrally arranged in parallel as described above is erected and installed on the mount 10 shown in FIGS. 3 and 4 (b).

Reference numeral 10 denotes a slender, substantially rectangular tube-shaped mount having a narrow opening along the center line in the upper plate member, the lower member is placed on the floor, and a nut is attached to the head of the anchor bolt 11. The pedestal 10 is fixed on the floor by screwing.

Then, the lower surface of the electronic device frame 1, that is, the lower surface of the lower frame fixing frame 5 is brought into close contact with the pedestal 10 so that the integrated electronic device frame 1 is erected on the pedestal 10 and A bolt (bolt 13 shown in FIG. 1) is inserted into the hole of the plate member, and this bolt 13 is screwed into the screw hole of the seat plate 12 with a screw hole inserted in the pedestal 10, so that the electronic device frame 1 Is installed on the gantry 10.

As described above, in the plurality of integrated electronic device racks 1, there is a space between the floor surface and the shelf 3 at the bottom, which is approximately (height of the cradle + height of the lower frame fixing frame).

Therefore, air is sucked into the shelf 3 from below the lowermost shelf 3 through the ventilation slits, cools the electronic unit, rises and enters the upper shelf 3, and the electronic unit housed in the upper shelf is removed. Cooling. Then, the warm air that has taken the heat of the electronic unit and becomes high temperature is discharged to the outside through the ventilation slits in the upper plate of the uppermost shelf.

Still further, in each of the shelves 3, air is sucked in from the ventilation slits below the side plate and discharged from the ventilation slits above the side plate to cool the electronic unit.

[Problems to be solved by the device]

However, when the above-described conventional integrated electronic device rack is erected on the pedestal, as shown in FIG. 4 (b), the electronic device rack is mounted with the rear lower ridgeline L of the lowermost shelf as a fulcrum. Is causing.

At this time, the rear lower ridges of all the lowermost shelves of the electronic device racks arranged in parallel do not necessarily contact the floor surface uniformly. That is, the load of the integrated electronic device rack may be biased to one of the shelves mounted on the left and right ends.

Therefore, there is a problem that the shelf, which is a fulcrum, is damaged.

The present invention has been made in view of the above points, and an object thereof is to provide an electronic device rack structure in which there is no risk of damage to the shelf during standing and no risk of deterioration in cooling effect.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention, as illustrated in FIG. 1, has a plurality of shelves 3 accommodating electronic units in a stacked state, and the left and right side surfaces of each shelf 3 have a pair of narrow widths. The electronic device rack 1 configured to be held by the frame 2 is brought into close contact with the outer surfaces of the frame 2 so that a desired number of electronic device racks 1 are arranged in parallel.

Then, the lower inter-frame connecting plate 7 that connects the lower part of the frame 2
Use to connect and fix the lower part of each electronic device rack,
The heads of the respective electronic device racks are connected and fixed using the upper rack connecting plate that connects the heads, and the plurality of electronic device racks 1 are integrally fixed.

In addition, an electronic device rack 1 in which protective metal fittings 20 having a depth whose rear end surface substantially matches the rear side surface of the shelf 3 are arranged at both left and right ends
The frame 2 is attached to the lower part of the frame 2 so as to project rearward.

[Action]

As described above, at the lower part of the frame 2 of the electronic device rack 1 arranged at the left and right ends, the protective metal fittings 20 are provided so as to project rearward.
Is installed.

Therefore, from the state where the rear surface of the shelf 3 and the rear end surface of the protective fitting 20 are in contact with the floor surface, the electronic device rack is raised,
When the electronic device frame is erected on the frame, the rear lower ridgeline P of the rear end surface of the protective fitting 20 comes into contact with the floor surface to serve as a fulcrum. That is,
There is no risk of damaging the shelf 3.

In addition, the protective metal fittings 20 are arranged on the left and right ends of the electronic device rack 1.
It is attached to the lower part of the frame 2 so as to project rearward. Therefore, the air flow that flows into the ventilation slits of the lower plate of the shelf 3 at the lowest stage is hardly obstructed.

That is, the provision of the protective fitting 20 does not reduce the cooling effect of the electronic device rack.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the drawings. The same reference numerals denote the same objects throughout the drawings.

FIG. 1 is a rear perspective view of an essential part of an embodiment of the present invention, and FIG. 2 is a side view of the embodiment of the present invention in a standing state.

1 and 2, a large number of ventilation slits are provided on the left and right side plates, the rear side plate, the upper plate, and the lower plate of the box-shaped shelf 3 that accommodates the electronic unit and has a small width on the left and right sides and a large depth. They are provided in parallel.

It consists of a narrow metal plate that is smaller than the depth of the shelf 3.
The pair of frames 2 are used to hold the left and right side plates of the respective shelves toward the front, and the plurality of shelves 3 are stacked by fixing them with bolts 9 to form a pair of reefs 2.
In the lower part of the box, a box-shaped lower frame fixing frame 5 having an open front surface and an upper surface is inserted, screwed with bolts, the left and right frames 2 are integrally fixed via the lower frame fixing frame 5, and a pair of By inserting a box-shaped upper frame fixing frame 6 having an open lower surface into the head of the frame 2 and screwing it with bolts, the heads of the left and right frames 2 are integrally fixed via the upper frame fixing frame 6. Then, the slim and tall electronic device rack 1 is configured.

Then, a plurality of electronic device racks (four electronic device racks are shown in the figure) 1
As shown in FIG. 1 in detail, the lower part of the electronic device frame 1 in the parallel state is connected to the lower part inter-connecting plate 7 which is angled in side view, and the vertical plate member is connected with the bolts 16. It is used and fixed to each lower frame fixing frame 5. Also,
As shown in FIG. 2, on the head of the electronic device rack 1 in a parallel state,
An upper rack connecting plate 8 having an angled shape in a side view is connected, and its horizontal plate member is fixed to each upper frame fixing frame 6 by using a bolt to fix a plurality of electronic device racks 1 integrally. There is.

Reference numeral 20 is a protective metal fitting made of metal whose angle is a front view, such as steel.

The protective metal member 20 is provided with a fixing plate member on the front end surface side that abuts against the vertical plate member of the lower frame fixing frame 5, and the fixing plate members are arranged at the left and right ends of the frame 2 of the electronic device rack 1 respectively. It is fixed to the frame fixing frame 5 with bolts 21.

The protective metal fitting has a desired depth length such that its rear end surface substantially coincides with the rear side surface of the shelf 3.

As described above, the electronic device rack 1 in which a plurality of groups are integrally fixed to each other, in which a pair of protective metal fittings 20 are provided at the lower portions of the left and right ends as described above, uses anchor bolts 11 on the floor as shown in FIG. While fixing the lower frame fixing frame 5 to the square tube-shaped frame 10 that is firmly fixed, the frame 10 and the lower frame fixing frame 5 are fixed by using the screw hole seat plate 12 and the bolt 13. Then, it is erected on the stand 10.

Therefore, air is sucked into the shelf 3 from below the lowermost shelf 3 through the ventilation slits, cools the electronic unit, rises and enters the upper shelf 3, and the electronic unit housed in the upper shelf is removed. Cooling. Then, the warm air that has taken the heat of the electronic unit and becomes high temperature is discharged to the outside through the ventilation slits in the upper plate of the uppermost shelf.

Still further, in each of the shelves 3, air is sucked in from the ventilation slits below the side plate and discharged from the ventilation slits above the side plate to cool the electronic unit.

On the other hand, as described above, the protective metal fittings 20 projecting rearward are attached to the lower portion of the frame 2 of the electronic device rack 1 arranged at both left and right ends.

Therefore, from the state where the rear surface of the shelf 3 and the rear end surface of the protective fitting 20 are in contact with the floor surface, the electronic device rack is raised,
When the electronic device frame is erected on the frame, the rear lower ridgeline P of the rear end surface of the protective fitting 20 comes into contact with the floor surface to serve as a fulcrum. Therefore, there is no fear that the shelf 3 will be damaged during standing.

[Effect of device]

As described above, the present invention is an electronic device rack in which a plurality of slim electronic device racks are integrally fixed in parallel with each other by using a connecting plate between the racks, and protective fittings are further provided on the lower portions of the left and right ends. Therefore, there is no danger of damaging the shelf when standing up, and there is no fear that the cooling effect will drop after standing up.

[Brief description of drawings]

FIG. 1 is a perspective view of an essential part of an embodiment of the present invention, FIG. 2 is a side view of an embodiment of the present invention, FIG. 3 is a standing view of a conventional example, and FIG. 4 is an essential part of a conventional example. In the figure, (a) is a rear view and (b) is a side view at the time of standing. In the figure, 1 is an electronic device rack, 2 is a frame, 3 is a shelf, 5 is a lower frame fixing frame, 6 is an upper frame fixing frame, 7 is a lower frame connecting plate, 8 is an upper frame connecting plate, and 10 is a frame. , 11 are anchor bolts, 12 is a seat plate with a screw hole, and 20 is a protective fitting.

Claims (1)

[Scope of utility model registration request] 1. A plurality of shelves (3) accommodating electronic units are stacked, and each of the shelves (3) is stacked.
The left and right side surfaces of the electronic device rack (1) sandwiched between a pair of narrow frames (2) are brought into close contact with each other on the outer side surfaces of the frame (2), so that a desired number of electronic device racks ( 1) are arranged side by side, and a lower inter-frame connecting plate (7) for connecting the lower part of the frame (2) and an upper inter-frame connecting plate for connecting the head are
The electronic device rack in which a plurality of the electronic device racks (1) are integrated, and protective metal fittings (20) having a depth length whose rear end surface substantially matches the rear side surface of the shelf (3) are arranged at both left and right ends. An electronic device rack structure, characterized in that it is attached to a lower portion of the frame (2) of (1) so as to project rearward.