JP7345967B2 - electrical equipment storage box - Google Patents

Description

The present invention relates to a box for storing electrical equipment.

As understood from Patent Document 1 and FIGS. 8 and 9, in an electrical equipment storage box that stores an electrical equipment 101 inside a casing 100, the electrical equipment 101 is usually attached directly to the casing 100 with screws 104 or the like. is fixed. In the example shown in FIGS. 8 and 9, a housing 100 whose skeleton is formed by a frame 102 is provided with a mount angle 103, and an electrical device 101 is fixed to this mount angle 103 using screws 104. . Therefore, when vibrations or shocks are applied to the housing 100 due to an earthquake or the like after the electrical equipment storage box is transported or installed, the vibrations or shocks are transmitted to the electrical equipment 101. Therefore, there is a risk that the electrical equipment 101, such as a server, communication equipment, or power supply device, may malfunction due to vibration or impact.

JP 2016-201413 Publication

For the reasons described above, when transporting the electrical equipment storage box, the electrical equipment 101 is removed from the casing 100 and the casing 100 and the electrical equipment 101 are transported separately. However, with this method, not only the time and cost of transportation are a problem, but also the time and effort of installing the electrical device 101 in the housing is a problem.

The inventor of this case attempted to solve this problem by intensively studying this point. The problem to be solved by the present invention is to suppress failures of electrical equipment due to transmission of vibrations and shocks applied to the casing.

In order to solve the above problems, there is provided an electrical equipment storage box for storing electrical equipment inside a casing, in which a mounting member on which the electrical equipment is mounted is connected to a mounting angle extending in the vertical direction, A first vibration isolating member that sandwiches a fixed part extending in the direction of the mount angle provided on the electrical equipment, and a part of which is interposed between the mount angle and the electrical equipment, and at least a part of which is a mounting member. and a second vibration isolating member located between the electrical equipment.

Further, it is preferable that the electric device be configured to be fixed to the mount angle by holding the fixing portion of the electric device and the first vibration isolating member against the mount angle with the fixing member.

Further, it is preferable that the mount angle has a configuration in which a third vibration isolating member is provided on the surface facing the side surface of the electrical device.

According to the present invention, it is possible to suppress failures of electrical equipment due to transmission of vibrations and shocks applied to the casing.

It is a perspective view of an example using a first vibration isolation member and a second vibration isolation member. FIG. 3 is a perspective view showing a configuration in which a second vibration isolating member is attached to a mounting member extending over mount angles located in the front and rear. FIG. 2 is an exploded perspective view showing a state in which a pair of first vibration isolating members and a fixing member are separated from the state shown in FIG. 1 . FIG. 2 is a front view of the electrical equipment shown in FIG. 1. FIG. 5 is a sectional view taken along the line V-V in FIG. 4. FIG. FIG. 7 is a plan view showing a state in which a third vibration isolating member is placed between a mount angle and an electric device. FIG. 2 is a perspective view showing an example using a fixing member different from the example shown in FIG. 1 . FIG. 2 is a perspective view showing a frame and the like of a conventional electrical equipment storage box. It is a figure which shows the fixation aspect of the electrical equipment and mount angle in a conventional example.

A mode for carrying out the invention will be shown below. The electrical equipment storage box of this embodiment stores an electrical equipment 81 inside the casing. As can be understood from the illustrations in FIGS. 1 to 5, in this electrical equipment storage box, a mounting member 73 on which an electrical equipment 81 is mounted is connected to a mounting angle 71 extending in the vertical direction. ing. Furthermore, the first vibration isolating member 31 which sandwiches the fixing part 82 extending in the direction of the mount angle provided on the electrical equipment 81 and whose part is interposed between the mount angle 71 and the electrical equipment 81, and at least A second vibration isolating member 32 is provided, a portion of which is located between the mounting member 73 and the electrical device 81. Therefore, it is possible to suppress failures of the electrical equipment 81 due to transmission of vibrations and shocks applied to the casing.

Here, the basic form of the electrical equipment storage box of the embodiment will be explained. The electrical equipment storage box includes a casing and a door that can close the opening of the casing, and is configured so that the casing and the door form an external shape. The casing of this electrical equipment storage box has a skeleton made up of a plurality of frames. Four mount angles 71 are erected near the inner corners of this casing, and a large number of mounting holes 72 are formed in the mount angles 71 at a predetermined pitch. Note that some electrical devices 81 housed inside the housing are simply attached to the mounting holes 72 via screws 92, and some are fixed to the mount angles 71, while others are mounted between multiple mount angles 71. In some cases, an electrical device 81 is mounted on the mounting member 73 and then attached to the mounting hole 72.

With the conventional technology, vibrations and shocks applied to the casing are transmitted to the mount angle 103 and further transmitted to the electrical device 101 via the mounting screw 104 of the mounting hole and the mounting member 73. Therefore, in the embodiment, in order to prevent vibrations and shocks from being transmitted to the electrical equipment 81, vibration isolating members are provided between the mount angle 71 and the electrical equipment 81 and between the mounting member 73 and the electrical equipment 81. There is. The material of the vibration isolating member is not particularly limited as long as it absorbs and alleviates vibrations, such as synthetic rubber, gel material, polymer material, resin material, etc.

By the way, the electric device 81 fixed to the mount angle 71 is provided with a fixing part 82 extending in the direction of the mount angle in order to be fixed to the mount angle 71. In this embodiment, the first vibration isolating member 31 clamps the fixing part 82 so as to cover it in the front-rear direction. Also, by pressing the first vibration isolating member 31 holding the fixing part 82 in the direction of the mount angle 71 with the fixing member 60 fixed to the mounting hole 72 of the mount angle 71, the electrical equipment 81 can be attached to the mount angle 71. Fixed. If the configuration is such that the electrical device 81 can be fixed to the mount angle 71 by holding the electrical device 81 and the first vibration isolating member 31 against the mount angle 71 with the fixing member 60, the fixing member 60 It is not only used for fixing, but also contributes to preventing the first vibration isolating member 31 from falling off.

The fixing member 60 shown in FIGS. 1 and 3 includes a contact portion 61 that contacts the first vibration isolating member 31, and a bent portion 62 formed by bending the contact portion 61 from both ends toward the mount angle 71. An extending portion 63 is formed by further bending in the vertical direction from the end of the bent portion 62. In this way, the fixing member 60 shown in FIGS. 1 and 3 is configured to form a hat cross section.

The first vibration isolating member 31 is housed in a space formed by the contact portion 61 and the bent portion 62 of the fixed member 60. The length of the bent portion 62 of the fixed member 60 is preferably shorter than the thickness (horizontal length) of the first vibration isolating member 31.

By the way, if the bent portion 62 is too long, it will not be possible to hold down the first vibration isolating member 31 holding the fixed portion 82 therebetween. Furthermore, if the bent portion 62 is too short, the first vibration isolating member 31 will be pressed down too much and the function of absorbing and mitigating vibrations will be hindered. That is, the length of the bent portion 62 is preferably such that the first vibration isolating member 31 holding the fixing portion 82 can be held down to an extent that the first vibration isolating member 31 does not fall. Note that the extending portion 63 is fixed using a screw 92 inserted into the mounting hole 72 of the mount angle 71.

In the embodiment, the first vibration isolating member 31 has a substantially U-shaped cross section. This first vibration isolating member 31 can be placed over the fixing part 82 of the electrical device 81 from the left and right, so that the fixing part 82 is inserted into the recess. Note that the first vibration isolating member 31 may have any shape as long as it comes into contact with the front and back surfaces of the fixing part 82 of the electrical device 81 and holds the fixing part 82 between them. For example, by placing the first vibration isolating member 31 on the fixing portion 82 of the electrical device 81 from above, the fixing portion 82 is inserted into the recess, and the first vibration isolating member 31 is inserted into the recess. It may also be something that prevents it from falling off. Further, the first vibration isolating member 31 may have a shape that covers all of the front, rear, left, right, and up and down directions of the fixing portion 82. By covering each direction of the fixing portion 82, it is possible to prevent vibrations from being transmitted to the electrical equipment 81 from all directions.

Next, vibration isolation between the mounting member 73 and the electric device 81 will be explained. In the example shown in FIG. 1 and the like, a mounting member 73 is attached so as to span between mount angles 71 located in the front-rear direction of the housing. As can be understood from FIG. 4, in this example, the mounting member 73 has an L-shaped cross section, and the electrical equipment 81 can be mounted on the mounting surface extending perpendicularly to the mount angle 71. can. In addition, since the second vibration isolating member 32 is arranged on the mounting surface so that the second vibration isolating member 32 is interposed between the mounting surface and the electric device 81, Transmission of vibrations and shocks to the electrical equipment 81 can be suppressed. As understood from FIG. 5, the second vibration isolating member 32 may be provided over one surface of the mounting surface, but may be provided partially at the four corners of the electrical device 81. You can do it like this.

Next, vibration isolation of the mount angle 71 and the electric device 81 will be explained. The electrical device 81 is fixed through the mounting hole 72 of the mount angle 71 while being placed on the mounting member 73. A gap is provided between the angle 71 and the inner surface thereof. A third vibration isolating member 33 may be arranged in this gap. As can be understood from FIG. 6, if the mount angle 71 is configured to include the third vibration isolating member 33 on the surface facing the electrical equipment 81, the influence of vibration on the electrical equipment 81 can be further reduced. Can be suppressed.

When a shock or vibration is applied to the housing, the first vibration isolating member 31 acts on vibrations in the front and rear directions, and the second vibration isolator 32 acts on vibrations in the vertical direction, etc., to protect the electrical equipment 81. However, by forming the third vibration isolating member 33 on the surface of the mount angle 71 facing the electrical equipment 81, the electrical equipment 81 can be protected from vibrations in the left and right directions. Note that the third vibration isolating member 33 may be fixed to the mount angle 71 or may be formed integrally with the second vibration isolating member 32 and extend upward from the second vibration isolating member 32. It may also be stretched.

Here, the fixing member 60 used to press the second vibration isolating member 32 against the mount angle 71 will be explained, including examples different from those described above. In the above example, the fixing member 60 extending in the vertical direction is used, and the extending portion 63 of the fixing member 60 extending in the vertical direction is used to support the fixing portion 82 of the electrical equipment 81 and the first vibration isolating member 31. This has the effect of preventing the first vibration isolating member 31 from falling. If the number of electrical devices 81 to be mounted on the casing is small, such a configuration is sufficient, but if you want to increase the number of electrical devices 81 to be mounted in the casing, the extension portion 63 should be placed above and below the electrical equipment 81. The configuration in which the electrical devices 81 are fixed with screws at certain positions may be inconvenient when arranging the electrical devices 81 in the vertical direction.

On the other hand, as shown in FIG. 7, the cross section is approximately L-shaped, which is composed of a contact portion 66 that contacts the first vibration isolating member 31 and a bent portion 67 formed by bending one end of the contact portion 66. If the bending part 67 is fixed to the side surface of the mount angle 71 via the screw 93, the fixing member 60 can be formed within the range of the vertical size of the electrical device 81. There is no limit to the amount of storage.

Although the present invention has been described above using the embodiments as examples, the present invention is not limited to the above embodiments, and can be modified in various ways. For example, the casing may be made of only a plate material instead of a frame forming the skeleton.

31 First vibration isolating member 32 Second vibration isolating member 33 Third vibration isolating member 60 Fixing member 71 Mount angle 73 Mounting member 81 Electrical equipment 82 Fixing part

Claims (2)

An electrical equipment storage box that stores electrical equipment inside a housing,
There are mount angles that extend vertically in the front and back ,
A mounting member on which an electrical device is mounted is connected so as to span between the mount angles located at the front and rear ,
a first vibration isolating member that sandwiches a fixed part extending in the direction of a mount angle provided on the electrical equipment, and a part of which is interposed between the mount angle and the electrical equipment;
a second vibration isolating member, at least a portion of which is located between the mounting member and the electrical device ;
An electrical equipment storage box that can fix electrical equipment to a mount angle by holding down a fixing part of the electrical equipment and a first vibration isolating member to the mount angle with a fixing member. 2. The electrical equipment storage box according to claim 1 , wherein the mount angle includes a third vibration isolating member on a surface facing a side surface of the electrical equipment.

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