JPH10141436A - Base isolating and overturn preventing device for precision equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate installation of precision equipment and display base isolating function while preventing an overturn by installing the precision equipment on an installation base through a precision equipment fitting base and a lower base provided with an elastic body formed of rubber or the like. SOLUTION: Precison equipment 1 is fixed by a precison equipment fixing part 3 provided on the upper face of a precision equipment fitting base 2, and a lower base 6 width the fitting base 2 fixed thereto through an elastic body 4 is installed on an installation base of a desk, a floor face, or the like. In case of concussion is generated to the installation base due to an earthquake or the like, the precision equipment 1 installed on the installation base slides along with the fitting base 2 in relation to the installation base through the lower base 6 and elastic body 4. However, concussion transmitted to the fitting base 2 is absorbed by the elastic body 4 on the way, and vibration is suppressed by a nonlinear vibrator 9 installed at the lower face of the fitting base 2 so as to prevent transmission of irregular concussion to the precision equipment 1 mounted on the fitting base 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a seismic isolation device for precision equipment.
More specifically, the present invention relates to a fall prevention device, and more specifically, to reduce the influence of shaking of a computer, a computer accessory (HDD, FDD, etc.) and other precision devices due to an earthquake or the like upon an earthquake,
The present invention relates to a seismic isolation / fall prevention device for precision equipment for preventing the precision equipment from overturning.

[0002]

2. Description of the Related Art A precision device such as a computer has legs on the lower surface or side surfaces thereof, and the legs are mounted or fixed on a base such as a floor surface. When such precision equipment is firmly fixed to the base, it is possible to prevent the possibility of tipping over. When an elastic body is interposed between the leg and the base, vibrations from the base can be absorbed.

[0003]

However, in the case of the above-described installation structure of precision equipment such as a computer, there are the following problems. When the precision equipment is directly fixed to a base such as a floor, it takes time and effort to install the precision equipment, and it is difficult to change the installation position, that is, to move the precision equipment. Since the vibration of the base is directly transmitted to the precision equipment via the elastic body, the vibration cannot be sufficiently absorbed, which causes a failure of the precision equipment. When installing a plurality of precision instruments, it is necessary to fix each of them to the base, so that the installation work is troublesome, and the installation place is restricted by wiring and other facilities installed on the base surface. There are problems such as.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to provide easy installation of precision equipment, prevent overturning, and provide a seismic isolation function. To provide a seismic isolation / fall prevention device for precision equipment.

[0005]

According to a first aspect of the present invention, there is provided a seismic isolation / fall prevention device for a precision instrument, which has a larger area than a bottom surface of the precision instrument. A precision device fixing portion having a lower base table, an adjustable mounting position is provided on an upper surface of the precision device mounting table, and an elastic body such as rubber or spring is provided on a lower surface of the precision device mounting table. Is connected to the lower base.

According to a second aspect of the present invention, there is provided a seismic isolation / fall prevention device for a precision instrument according to the first aspect of the present invention, wherein a plurality of long grooves extending in a direction intersecting the precision instrument are provided on an upper surface of the precision instrument mounting base. The precision instrument fixing portion has a holding member for holding the long groove and the precision instrument from both sides. According to a third aspect of the present invention, there is provided a seismic isolation / fall prevention device for a precision instrument according to the first or second aspect, wherein a non-linear vibrator such as a tank containing a liquid on the bottom of the precision instrument mounting base and / or the upper part of the precision instrument. Is provided. Further, a seismic isolation / fall prevention device for precision equipment according to claim 4 is characterized in that, in the invention of claims 1 to 3, the lower base is a floor or a table.

According to a fifth aspect of the present invention, there is provided a precision instrument structure wherein the seismic isolation / fall prevention device for a precision instrument according to any one of the first to fourth aspects is detachably attached to a bottom face of the precision instrument. I do.

[0008] Here, the precision instrument mounting base is not limited as long as it is in the form of a plate or the like on which precision instruments can be installed. The elastic body is made of rubber, spring, etc.
An elastic body having a form capable of absorbing horizontal vibration is used. The seismic isolation / fall prevention device for precision equipment of the present invention can be used by fixing the precision equipment on the upper surface of the precision equipment mounting base with the precision equipment fixing part. Further, as the non-linear vibrator, a vibrator that has a function of suppressing or diffusing vibration, for example, a viscous vibrator or a coil body having a weight (weight) at a lower portion thereof, in addition to a tank containing liquid, may be used. Can be.

[0009]

As is apparent from the above description, according to the seismic isolation / fall prevention device for precision equipment of claim 1 of the present invention,
Through a precision equipment mounting base equipped with an elastic body such as rubber,
Alternatively, since it is installed on an installation base such as a floor via the precision equipment mounting base and the lower base base, vibrations such as earthquakes from the installation base are absorbed by an elastic body, and the precision equipment mounting base is mounted on the precision equipment mounting base. The precision equipment is fixed to the precision equipment mounting base because the base is a table having an area larger than the bottom surface of the equipment, and the precision equipment slides against the installation base integrally with the precision equipment mounting base, and the vibration This has the effect of improving the fall prevention and seismic isolation. In addition, since there is a precision device fixing portion in which the mounting position of the precision device is adjustable, a plurality of precision devices can be arbitrarily attached.

According to the seismic isolation / fall prevention device for precision equipment of claim 2, a plurality of long grooves extending in a direction intersecting the precision equipment are provided on the upper surface of the precision equipment mounting base, and the precision equipment fixing part is provided. Has a holding member for sandwiching the long groove and the precision instrument from both sides, so that in addition to the above-mentioned effects, it has an effect that it can be applied to any precision instrument having a different size. According to the seismic isolation / fall prevention device for precision equipment of claim 3, a non-linear vibrator such as a tank containing liquid is provided at a lower part of the precision equipment mounting base and / or an upper part of the precision equipment. In addition to the effects, the non-linear vibrator acts to suppress vibration (vibration), so that the seismic isolation effect can be further improved. According to the seismic isolation / fall prevention device for precision equipment of claim 4, since the lower base plate is not required, the configuration can be further simplified.

Further, according to the structure of the precision equipment according to the fifth aspect of the present invention, since the precision equipment mounting base is detachably fixed to the bottom surface of the precision equipment, the installation state of the precision equipment is stable. In addition, the fall prevention property is improved, and the precision equipment mounting base and the elastic body attached to the base absorb the vibration of the installation base, thereby preventing the precision equipment from vibrating irregularly. This has the effect that the occurrence of a failure can be prevented.

[0012]

Preferred embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show one embodiment of the present invention.
2 is a perspective view, FIG. 2 is a front view, FIG. 3 is a plan view of a mounting table for precision equipment, and FIG. 4 is a side view. Note that the present invention is not limited to the embodiments described below, and includes configurations that can be modified and implemented without departing from the gist of the present invention.

The seismic isolation / fall prevention device for precision equipment according to the present embodiment is a seismic isolation / fall prevention device applicable to computers, FDDs, HDDs, and other precision equipment 1.
As shown in FIG. 3, a precision instrument mounting base 2 for mounting the precision instrument 1 and a lower base table 6 are provided. The precision device mounting base 2 is formed of a plate having an area larger than the area of the bottom surface 1a of the precision device 1, and a precision device fixing portion 3 for detachably fixing the precision device 1 is provided on the plate body upper surface 2a. It is. An elastic body 4 made of rubber, a spring, a spring, or the like for absorbing vibration and a non-linear vibrator 9 for suppressing or diffusing vibration are provided on the lower surface 2b of the plate body. , Is fixed to the upper surface of the lower base 6.

Here, the precision equipment 1 is effective for vertical (tower) precision equipment. However, it can also be applied to general horizontal precision equipment. The precision equipment mounting base 2 is made of a rigid plate such as a plastic plate, a wooden plate, or a metal plate, and is generally made of a plate having an area of about 1.5 to 2 times the area of the bottom surface 1a of the precision equipment 1. . The size of the precision instrument mounting base 2 can be arbitrarily selected depending on the size and the number of the precision instruments 1 to be mounted. By fixing the precision instrument mounting base 2 to the bottom surface 1a of the precision instrument 1, the stability of the precision instrument 1 is improved, and the danger of falling can be avoided.

The precision equipment 1 can be detachably fixed via the precision equipment fixing part 3 of the precision equipment mounting base 2. As shown in FIG. 3, the precision instrument fixing portion 3 includes a plurality of grooves 3a formed on the upper surface of the precision instrument mounting base 2.
And a slidable precision instrument holding plate 3b fitted in the groove 3a and a tightening bolt 3c. The plurality of grooves 3a are formed in a dovetail shape, and have a configuration in which the bottom portion of the precision instrument clamping plate 3b can be fitted into the groove 3a. A bolt hole 3d through which a tightening bolt 3c is inserted into the bottom plate portion
Is provided. The elastic member 8 such as a cushioning material or a rubber plate is attached to the inside of the precision equipment holding plate 3b.
The precision device holding plate 3b is slidably inserted into the groove 3a in accordance with the size of the precision device 1 so that the precision device 1 is clamped from the left and right sides of the precision device 1, and the precision device 1 is precision-locked by the bolt holes 3d and the tightening bolts 3c. It can be fixed to the device mounting base 2.

The elastic body 4 such as rubber, spring, spring, etc.
A plurality of precision instrument mounting tables 2 are provided on the bottom surface 2b.
The elastic body 4 can be an elastic body that can hold the weight of the precision equipment 1 mounted and fixed on the precision equipment mounting base 2 and the base 2 itself, and also has an elastic force capable of absorbing vibration from the installation base 5. It is important. The non-linear vibrator 9 is composed of a tank in which a liquid such as water is sealed. This nonlinear oscillator 9
Alternatively, a viscous vibrator, a coil with a suspended weight, or the like can be used.

The lower base 6 is a mounting table 2 for the precision equipment.
Similarly to the above, a plate made of a rigid plate such as a plastic plate or a wooden plate, and having an area approximately 1.2 to 2 times that of the precision instrument mounting base 2 is generally used. Also, the lower base table 6
A holder 7 such as a caster, a cushion material (an elastic body made of rubber or a spring) or the like is attached to the lower surface of the device.

The vibration from the installation base 5 is absorbed by the elastic body 4 connecting the lower base table 6 and the precision equipment mounting table 2, and the vibration is transmitted uniformly to the entire surface of the precision equipment mounting table 2. . Therefore, the vibration of the precision equipment 1 mounted and fixed on the precision equipment mounting base 2 can be absorbed. The lower base 6 is usually fixed to the installation base 5 on which the precision instrument 1 is installed.

In the seismic isolation / fall prevention device for precision equipment according to the present embodiment, the precision equipment 1 is fixed by a precision equipment fixing part 3 provided on the upper surface of the precision equipment mounting base 2. The lower base 6 fixed via the elastic body 4 can be used by being installed on an installation base 5 such as a desk or a floor. The precision equipment 1 installed on the installation base 5 using the seismic isolation / fall prevention device for precision equipment according to the present embodiment, together with the precision equipment mounting base 2 when the installation base is vibrated due to an earthquake or the like. It slides on the installation base 5 through the base 6 and the elastic body 4. However, the vibration transmitted to the precision equipment mounting base 2 is absorbed on the way by the elastic body 4 and the vibration is suppressed by the nonlinear vibrating body 9.
Irregular vibrations can be prevented from being transmitted to the precision equipment 1 mounted on the vehicle. In addition, since it is fixed on the precision equipment mounting base 2 having an area larger than the bottom surface of the precision equipment 1, it is possible to prevent falling.

By mounting the seismic isolation / fall prevention device for precision equipment on the bottom of the precision equipment 1, a precision equipment having a fall prevention function and a seismic isolation function can be provided. Precision equipment can be provided with a fall prevention function and seismic isolation function. By the way, in the above-described embodiment, the configuration in which the lower base is separately provided from the installation base is described. However, the lower base is an installation base such as a floor or a desk (see FIGS. The form which does not have a stand and the elastic body 4 is directly arrange | positioned on the installation base)
It is a matter of course that it may be.

In the above embodiment, as shown in FIG. 5, the non-linear vibrator 9 may be provided on the upper part of the precision instrument 1. In this case, a frame for holding the non-linear vibrator 9 from the precision instrument mounting base 2 in the upper direction of the precision instrument 1 is provided in addition to the form of directly fixing the non-linear vibrator 9 on the upper part of the precision instrument 1. 9 may be installed. In addition, the non-linear vibrator 9 may be provided above the precision instrument 1 and also below the precision instrument mounting base 2.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a plan view of a precision instrument mounting base.

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a perspective view of another embodiment.

[Explanation of symbols]

1 ... precision equipment, 1a ... bottom of precision equipment 1, 2
..Precision equipment mounting base, 2a ... top surface of plate body, 2b
..Plate bottom, 3 ... Precision equipment fixing part, 3a ...
Groove, 3b ... Slidable precision equipment clamping plate, 3c ・
..Tightening bolts, 3d ... bolt holes, 4 ...
Elastic body, 5 installation base, 6 lower base stand,
7 ... Holder, 9 ... Nonlinear vibrator

Claims (5)

[Claims] 1. A seismic isolation / fall prevention device for precision equipment, comprising: a precision equipment mounting base having a larger area than a bottom surface of the precision equipment; and a lower base base, wherein a mounting position is provided on an upper surface of the precision equipment mounting base. A precision equipment license, comprising: an adjustable precision instrument fixing portion; and an elastic body such as rubber or a spring provided on a lower surface of the precision instrument mounting base, and the elastic body connected to a lower base. Earthquake and fall prevention device. 2. A holder for providing a plurality of long grooves extending in a direction intersecting with the precision equipment on an upper surface of the precision equipment mounting base, wherein the precision equipment fixing portion holds the long groove and the precision equipment from both sides. The seismic isolation / fall prevention device for precision equipment according to claim 1, further comprising a material. 3. The lower part of said precision equipment mounting base and / or
The seismic isolation / fall prevention device for precision equipment according to claim 1 or 2, wherein a non-linear vibrator such as a tank containing a liquid is provided above the precision equipment. 4. The seismic isolation / fall prevention device for precision equipment according to claim 1, wherein the lower base is a floor or a table. 5. The structure of a precision instrument, wherein the seismic isolation / fall prevention device for a precision instrument according to any one of claims 1 to 4 is detachably mounted on a bottom surface of the precision instrument.