JP4441470B2 - Cabinet rack - Google Patents

Description

  The present invention relates to a cabinet rack that houses electrical equipment.

  Conventionally, a cabinet rack in which the opening of the main body frame is surrounded by a fully-open frame-shaped opening frame without a reinforcing frame on the inside, and a large-sized device such as a 19-inch server device or a LAN device can be easily inserted and removed from the opening. It has been known. However, since this type of rack is easily swayed in the lateral direction, various techniques have been proposed in the past that enhance the rigidity of the main body frame and increase the earthquake resistance.

For example, Patent Document 1 describes a technique in which the left and right side wall portions of the main body frame have an inner and outer double frame structure. Patent Document 2 describes a technique in which a multiple bending frame having a large cross-sectional strength is used as a vertical frame of a main body frame. In addition, a technique is also known in which reinforcing parts are attached to the joints at various locations on the main body frame.
JP 2003-093170 A JP 2002-158471 A

  However, the conventional cabinet rack has improved the seismic performance of the rack by modifying the structure of the main body frame, which increases the number of members constituting the main body frame, increases the weight, and increases the number of assembly steps. There was a problem that the production cost was high.

  The objective of this invention is providing the cabinet rack which can comprise the main body frame excellent in seismic performance lightweight and cheaply by strengthening the rigidity of a main body frame using a door.

  In order to solve the above-described problems, a cabinet rack according to the present invention includes a main body frame that houses electrical equipment and a door that covers the opening of the main body frame, and the main body frame is provided with an opening frame that surrounds the opening. The frame is formed in a fully open frame shape with a pair of left and right vertical frames and a pair of upper and lower horizontal frames, and a reinforcing member that protrudes into the inside of the opening frame with the door closed is projected on the back surface of the door, and the reinforcing member is on the upper side An upper engaging portion that engages with the horizontal frame, a lower engaging portion that engages with the lower horizontal frame, and a reinforcing portion that extends between the upper and lower engaging portions.

In the cabinet rack, preferably, the following means can be adopted.
(1) An upper locking portion for locking the upper engagement portion is provided on the upper horizontal frame, and a lower locking portion for locking the lower engagement portion is provided on the lower horizontal frame. The shape of the locking portion is not particularly limited, and various shapes that couple the door-side reinforcing member so as to be immovable in the lateral direction with respect to the opening frame of the main body frame can be employed. For example, a notch, a hole, a recessed part, a convex part, etc. can be mentioned as a latching | locking part.

(2) The reinforcing member includes a reinforcing frame extending in the longitudinal direction on the back surface of the door, and the upper engaging portion, the lower engaging portion, and the reinforcing portion are integrally provided on the reinforcing frame. The shape of the reinforcing frame is not particularly limited, but it is preferable to use an elongated frame material in that the door can be reduced in weight. For example, as a reinforcing frame, a cross-section hat shape, a cross-section U-shape, a cross-section L-shape, a cross-section H-shape mold material, a hollow material such as a square pipe or a cylindrical pipe, or a solid material such as a round bar or a square bar. Can be used. The number of reinforcing frames may be at least one, preferably two or three.

(3) The reinforcing member includes a duct that covers the back surface of the door, the duct is used as a reinforcing portion, an upper engaging portion is provided on the upper surface of the duct, and a lower engaging portion is provided on the lower surface of the duct. According to this structure, there exists an advantage which can use the duct for ventilation or wiring also for reinforcement of a main body frame. The shape of the duct is not particularly limited, but in the case of a ventilation duct, it is preferably a thin box shape covering almost the entire area of the door in that air for ventilation or cooling can be blown to every corner in the main body frame. . In the case of the air duct, the air blowing unit connected to the duct may be installed inside the main body frame or outside the main body frame. The upper and lower engaging portions may be formed integrally with the duct, or a member separate from the duct may be used.

  According to the cabinet rack of the present invention, when the door is closed, the door-side reinforcing member enters the inside of the opening frame on the main body frame side, and the upper and lower engaging portions of the reinforcing member are placed on the upper and lower horizontal frames of the opening frame. Engage. In this state, since the reinforcing member reinforces the opening frame as a structural material on the main body frame side, the rigidity of the main body frame can be strengthened using the closed door without changing the structure of the main body frame. Therefore, it is possible to obtain an excellent effect that the main body frame can be configured to be lightweight with a small number of members and can be manufactured inexpensively with a small number of man-hours.

  Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings. 1 to 4 show the cabinet rack of the first embodiment, and FIGS. 5 to 8 show the cabinet rack of the second embodiment. In each figure, the same code | symbol shows the member which is the same or similar.

  The cabinet rack 1 according to the first embodiment includes a main body frame 2 that houses electrical equipment, and a door 4 that covers an opening 3 of the main body frame 2. The main body frame 2 is a vertically long square having an opening frame 5 surrounding the opening 3, a rear frame 6 positioned behind the opening frame 5, and four connecting frames 7 connecting the opening frame 5 and the rear frame 6. It is configured in a box shape, and five surfaces except the opening frame 5 are covered with an exterior panel (not shown). The opening frame 5 is formed in a fully-open frame shape from a pair of left and right vertical frames 8 and 9 and a pair of upper and lower horizontal frames 10 and 11 so that a 19-inch device can be easily put in and out of the main body frame 2 through the opening 3. It has become.

  On the front surface of the door 4, a vertically long inspection window 13 and a pair of upper and lower arousing openings 14 are provided. A transparent plate 15 that closes the inspection window 13 and two reinforcing frames 16 (see FIG. 2) that extend in the vertical direction on the left and right sides of the transparent plate 15 are provided on the back surface of the door 4. The reinforcing frame 16 is formed in a long and narrow shape with a hat-shaped cross section, and is fixed to the back surface of the door 4 so as to protrude toward the main body frame 2 side. Then, with the door 4 closed, the two reinforcing frames 16 enter the inside of the opening frame 5 (see FIG. 4) and function as reinforcing members that prevent the body frame 2 from shaking in the lateral direction. Yes.

  The reinforcing frame 16 includes an upper engaging portion 16a that engages with the upper horizontal frame 10 of the opening frame 5 from below, a lower engaging portion 16b that engages with the lower horizontal frame 11 of the opening frame 5 from above, A reinforcing portion 16c extending between the engaging portions 16a and 16b is integrally provided. On the other hand, a pair of left and right upper locking portions 17 (see FIG. 3) for locking the upper engaging portion 16a of the reinforcing frame 16 by fitting are cut out in the upper horizontal frame 10, and the lower horizontal frame 11 is engaged with the lower engagement. A pair of left and right lower locking portions 18 for locking the portion 16b by fitting is formed in a notch. In addition, inclined surfaces 19 for inserting and guiding the engaging portions 16 a and 16 b inside the locking portions 17 and 18 are formed on the upper and lower end surfaces of the reinforcing frame 16.

  In the cabinet rack 1 configured as described above, when the door 4 is closed, the reinforcing frame 16 enters the inside of the opening frame 5, and the upper and lower engaging portions 16 a and 16 b are engaged with the engaging portions 17 and 18 of the horizontal frames 10 and 11. To do. In this state, since the reinforcing frame 16 reinforces the opening frame 5 as a structural material on the main body frame 2 side, the rigidity of the main body frame 2 can be enhanced without remodeling. Therefore, the main body frame 2 can be configured with a small number of members at a light weight and at a low cost. In addition, since an elongated material is used for the reinforcing frame 16, there is an advantage that the seismic performance of the main body frame 2 can be improved by the lightweight door 4.

  The cabinet rack 21 according to the second embodiment includes an air duct 22 (see FIG. 6) on the back surface of the door 4 and uses the duct 22 as a reinforcing member. The air duct 22 is formed in a thin box shape covering almost the entire area of the door 4, and includes a perforated plate 23 on a surface facing the main body frame 2. The perforated plate 23 is formed with a large number of ventilation holes 24 having a larger diameter toward the upper side in the entire region, and an air intake 25 is opened at the lower end. A blower unit 26 (see FIG. 5) is installed at the bottom of the main body frame 2 so that the bowl-shaped blower port 27 of the blower unit 26 is inserted into the air intake port 25 of the perforated plate 23 when the door 4 is closed. It has become.

  A pair of left and right upper engaging claws 29 are attached to the upper surface of the air duct 22, and a pair of left and right lower engaging claws 30 (one shown in FIG. 7) are attached to the lower surface of the air duct 22. Each engaging claw 29, 30 is formed of a metal or a resin material separately from the air duct 22, and is joined and fixed to the air duct 22 by means such as screws or welding. Then, with the door 4 closed, the air duct 22 and the engaging claws 29 and 30 enter the inside of the opening frame 5 (see FIG. 8) and function as a reinforcing member that prevents the body frame 2 from shaking in the lateral direction. It is supposed to be.

  In the opening frame 5 of the main body frame 2, similarly to the first embodiment, a pair of left and right upper locking portions 17 for locking the upper engagement claws 29 by fitting to the upper horizontal frame 10 is formed in a notch, and the lower horizontal frame 11. A pair of left and right lower locking portions 18 for locking the lower engagement claws 30 by fitting are formed in the notches. The engaging claws 29 and 30 are formed with inclined surfaces 29a and 30a for facilitating insertion into the locking portions 17 and 18, respectively.

  According to the cabinet rack 21 having the above configuration, the air duct 22 and the engaging claws 29 and 30 reinforce the opening frame 5 as a structural material on the main body frame 2 side in the closed state of the door 4. The rigidity of the main body frame 2 can be enhanced without remodeling. In particular, since the ventilation or cooling air duct 22 is also used as the reinforcing portion of the reinforcing member, the functionality of the door 4 can be enhanced by simply improving the engagement claws 29 and 30 to the air duct 22. Moreover, since the vent hole 24 of the air duct 22 is formed to have a larger diameter toward the upper side, there is an advantage that air can be blown to every corner in the main body frame 2.

It is a perspective view of the cabinet rack which shows Example 1 of this invention. It is a perspective view which shows the door of this rack from the back side. It is a perspective view which shows the reinforcement structure of this rack. It is sectional drawing which shows the reinforcement structure of this rack. It is a perspective view of the cabinet rack which shows Example 2 of this invention. It is a perspective view which shows the door of this rack from the back side. It is a perspective view which shows the reinforcement structure of this rack. It is sectional drawing which shows the reinforcement structure of this rack.

Explanation of symbols

1 Cabinet rack (Example 1)
2 Body frame 3 Opening part 4 Door 5 Opening frame 8, 9 Vertical frame 10 Upper horizontal frame 11 Lower horizontal frame 16 Reinforcement frame 16a Upper engagement part 16b Lower engagement part 16c Reinforcement part 17 Upper locking part 18 Lower locking part 21 Cabinet rack (Example 2)
22 Blower duct 29 Upper engaging claw 30 Lower engaging claw

Claims (4)

  A body frame that houses electrical equipment and a door that covers the opening of the body frame is provided. The body frame is provided with an opening frame that surrounds the opening, and the opening frame is fully opened by a pair of left and right vertical frames and a pair of upper and lower horizontal frames. A reinforcing member that is formed in a frame shape and protrudes into the inside of the opening frame in a state where the door is closed on the back surface of the door, and an upper engaging portion that engages the upper lateral frame with the reinforcing member, A cabinet rack comprising: a lower engaging portion that engages with the horizontal frame; and a reinforcing portion that extends between the upper and lower engaging portions.   The cabinet rack according to claim 1, wherein an upper locking portion for locking the upper engagement portion is provided on the upper horizontal frame, and a lower locking portion for locking the lower engagement portion is provided on the lower horizontal frame.   The cabinet rack according to claim 1 or 2, wherein the reinforcing member includes a reinforcing frame extending in the vertical direction on the back surface of the door, and the upper engaging portion, the lower engaging portion, and the reinforcing portion are integrally provided on the reinforcing frame. The cabinet rack according to claim 1 or 2, wherein the reinforcing member includes a duct covering the back surface of the door, the duct is used as a reinforcing portion, an upper engaging portion is provided on the upper surface of the duct, and a lower engaging portion is provided on the lower surface of the duct. .

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