JPH08253003A - Structure for installation of earthquake resistant fitting - Google Patents

Abstract

PURPOSE: To completely accomodate a fixing fitting within a bottom surface of a device such as an electronic apparatus that is movable by moving the device in one direction until the device runs onto the fixing fitting and engaging the device with the fixing fitting together with adjusting the height of the device and restricting the movement of the device in the direction of the engagement or that in the reversed direction. CONSTITUTION: When a device 11 such as an electronic apparatus that is movable is fixed to a floor 20 in order to prevent the falling of the device at the time of earthquake, a fixing fitting 15 is fixed in advance to the floor 20 by using a screw 19a. Next, casters 4a, 4b are rolled, so that the device 11 is moved in the direction of a mark (A). After the caster 4a on the front side runs on an elevation in floor level via a slope part 18a, the caster 4b on the rear side is also made run on the fixing fitting fixed by a screw 19b. At this time, a claw part 16a of the fixing fitting 15 is inserted into a hole 12a on the device 11 side, while a claw part 14a on the device (11) side is inserted into a hole 17a on the fixing fitting (15) side. Next, an adjustable part 5 is rotated/lowered until the abutting part 5a of the part 5 touches the floor 20. After this, the caster 4b on the rear side is lifted up.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seismic-resistant metal fitting mounting structure for an electronic device or the like, which prevents the device from falling during an earthquake.

[0002]

2. Description of the Related Art Conventionally, in equipment such as electronic equipment, a seismic-resistant metal fitting mounting structure for preventing a fall during an earthquake is provided with a plurality of casters on the bottom surface through a fixing metal fitting fixed to the floor.
There is a device for fixing a movable device having an adjusting means for adjusting the height of a fixed position to a floor. Hereinafter, such a conventional seismic fitting mounting structure will be described with reference to the drawings. FIG. 10 is a schematic side view showing a conventional seismic fitting mounting structure.

In FIG. 10, the device 1 is fixed to the floor 3 from both sides by L-shaped fixing fittings 2. Further, the apparatus 1 includes a caster 4 on the bottom and an adjuster plastic part 5 as an adjusting means for adjusting the height of the fixed position. One piece 2a of the fixing fitting 2 is previously screwed to a predetermined position on the floor 3. The device 1 is moved there, and the adjuster plastic part 5 is rotated to adjust the height of the device 1. After adjusting the height of the fixing position, the other piece 2b of the fixing fitting 2 is screwed to the housing 1a of the device 1 to fix the device 1 to the floor 3.

[0004]

In the conventional seismic-resistant metal fitting mounting structure, since one piece of the fixing metal fitting is projected outward from the bottom surface of the device and screwed to the floor, a space larger than the bottom surface of the device is provided. The device can be fixed only in a place having, and when a plurality of devices are arranged and fixed,
There was a problem that the fixing metal fittings of the respective devices occupy a space, and the fixing space is restricted.

[0005]

In order to solve the above-mentioned problems, in the seismic-resistant metal fitting mounting structure of the present invention, a first claw portion and a first hole are provided at the bottom of the device, and a fixing metal fitting is provided. Formed from a flat plate that is smaller than the bottom surface of the device, on which the casters all ride, the second hole that engages with the first claw portion and the first hole, and the second claw portion are provided in the fixing metal fitting, By adjusting the height of the adjusting means, the first claw portion and the second hole and the first hole and the second claw portion are engaged with each other.

[0006]

[Operation] When the device is moved onto the fixed metal fitting of the seismic resistant metal fitting structure configured as described above and all the casters ride on the fixed metal fitting, the second hole of the device is formed in the first claw portion of the fixed metal fitting. When engaged, the second claw portion of the device is engaged with the first hole of the fixing bracket, and the height of the device is adjusted by the adjusting means, the engagement between the first claw part and the second hole, Alternatively, the engagement between the first hole and the second claw portion restricts the movement of the device in the opposite direction to the engaging direction.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to the drawings. The elements common to the drawings are designated by the same reference numerals. FIG. 1 is a schematic side view showing a first embodiment of the present invention, FIG. 2 is a perspective view showing the bottom of the apparatus of the first embodiment, and FIG.
[FIG. 3] is a perspective view showing a fixing member of the first embodiment. In FIG. 2, the caster 4a on the front side and the casters 4b on the rear side are provided on the bottom of the device 11 at positions substantially close to the four corners of the device 11.
Two and two are installed, for a total of four. The casters 4a and 4b enable the device 11 to move in the direction of arrow AA '.

Further, the device 11 has L-shaped protrusions 12, 13, and 14 formed integrally with the housing 11a so as to sandwich the casters 4a and 4b at the bottom thereof. This protrusion 1
Holes 12a and 13a are formed in the protrusions 1 and 2 and 2 respectively.
The tab 4 is provided with claw portions 14a and 14b. Further, the adjuster plastic part 5 as an adjusting means for adjusting the height of the fixed position of the device 11 is attached to the bottom portion (protruding portion 14 in the embodiment) of the device 11.

In FIG. 3, the fixing member 15 is the device 11
It consists of a flat plate that is smaller than the bottom surface of. The fixing fitting 15 is provided with screw holes 21 fixed to the floor at several locations (four locations in the embodiment). Further, the fixing member 15 is integrally formed with protruding portions 16 and 17 protruding upward, and the protruding portion 16 has claw portions 16a and 16b.
The protrusion 17 is provided with holes 17a and 17b.
The vertical width L1 of the claws 14a and 14b on the device 11 side
Is set to be slightly smaller than the vertical width L2 of the holes 17a and 17b on the fixing metal fitting 15 side. On the upper surface of the fixture 15, a step 1 having a slope portion 18a on the side of the protrusion 16 is formed.
8 are provided.

In FIG. 1, the fixing member 15 is a screw 19
It is fixed on the floor 20 by a and 19b. Device 11
Are engaged with holes 12a and 13a (not shown in FIG. 1) on the device 11 side by the claw portions 16a and 16b on the fixing metal fitting 15 side, respectively, and the claw portions 14a and 14b on the device side by the fixing metal fitting 15 side, respectively. The holes 17a and 17b (not shown in FIG. 1) are engaged with each other to be fixed to the floor 20.

The fixing operation of the device 1 as described above will be described with reference to the drawings. 4, 5, and 6 are explanatory views showing the fixing operation of the first embodiment. In addition, the housing 11a and the fixture 15 of the device 11 in each drawing are cut in the direction parallel to the moving direction of the device 11 at the positions of the holes 11a and 17a, respectively, and the arrows shown in FIGS. The view is seen from the B direction. In FIG.
The fixture 15 is fixed to the floor 20 with screws 19a and 19b. Casters 4a, 4 in the direction of arrow A
The device 11 is moved while rolling b.

By this movement, first the caster 4 on the leading side is
a rides on the fixture 15. When the device 11 is further moved in the direction of arrow A, the caster 4a on the leading side rides on the step 18 from the slope portion 18a, and the caster 4b on the rear side also rides on the fixing fitting 15, as shown in FIG. At this time, the claw portions 16a, 16b on the fixing metal fitting 15 side are inserted into the holes 12a, 13a on the device 11 side. Further, the claw portions 14a and 14b on the device 11 side are the holes 1 on the fixing metal fitting 15 side.
7a, 17b. In this state, the caster 4a rides on the step 18, so that the device 11 is slightly inclined to the left side in the drawing with respect to the floor 20.

Next, the adjuster plastic part 5 is rotated and lowered. Even if the contact portion 5a of the adjuster plastic part 5 contacts the floor 20, when the adjuster plastic part 5 is further rotated, the caster 4b side of the tilted device 11 is gradually lifted. As a result, the claws 14a and 14b on the device 11 side are caught in the upper portions of the holes 17a and 17b on the fixing metal fitting 15 side that have been inserted, and the direction is opposite to the direction in which the claws and holes are engaged. The movement of the device 11 in the arrow A ′ direction is restricted. As shown in FIG. 6, the adjuster plastic part 5 stops the rotation of the device 11 when the device 11 is kept horizontal with respect to the floor 20.

As described above, the claw portion 14 is provided on the bottom of the device 11.
a, 14b and the holes 12a, 13a are integrally provided, and the fixing metal fitting 15 is a flat plate smaller than the bottom surface of the device 11 on which the casters 4a, 4b all ride, and the device 11 moves on the fixing metal fitting 15. , The claw portion 14a,
Hole 17 that engages with 14b and holes 12a and 13a, respectively.
a, 17b, and the claw portions 16a, 16b, the fixing metal fitting 1
It is installed in 5 and by adjusting the height of the adjuster plastic part 5,
Claws 14a, 14b and holes 17a, 17b, holes 12a, 1
Since the movement of the device 11 in the direction opposite to the direction in which the 3a and the claw portions 16a and 16b are engaged is restricted, the fixing metal fitting 15 is completely housed in the bottom surface of the device 11 and does not take up a space. The space for fixing 11 can be effectively used.

Next, a second embodiment of the present invention will be described with reference to the drawings. FIG. 7 is a side view of an essential part showing a second embodiment of the present invention, and FIG. 8 is an explanatory view showing a fixing operation of the second embodiment. In FIG. 7, a recess 23b having the same shape as the circumference of the caster 4a is provided on the step 23 of the fixing member 15 at the stop position of the caster 4a. Further, the claw portion 2 formed by bending the tip of the protruding portion 16 of the fixing bracket 15
The angle θ at which 2a and 22b (not shown) are bent is 90
It is set slightly smaller than °. As a result, the tip of the claw portion 22a faces slightly above the floor 20. The fixing metal fitting 15 of the second embodiment and the other constituent elements of the seismic resistant metal fitting mounting structure by the device 11 are the same as those of the first embodiment, so the description thereof will be omitted.

When the device 11 of the second embodiment as described above is fixed to the fixing fitting 15, as in the first embodiment described with reference to FIG. 4, the fixing fixed to the floor 20 by the screws 19a and 19b. Casters 4a, 4b on the metal fitting 15 in the direction of arrow A
The device 11 is moved while rolling. By this movement, first the caster 4a on the leading side rides on the fixing fitting 15. When the device 11 is further moved in the direction of the arrow A, as shown in FIG.
It rides on the step 23 from 3a, fits in the recess 23b, and stops its movement. Also, the rear casters 4b
Also ride on the fixing bracket 15.

At this time, the claw portions 22a, 22b on the fixing metal fitting 15 side are inserted into the holes 12a, 13a on the device 11 side. When the caster 4a moves to the highest position of the step 23, the claw portions 22a and 22b are pressed by the lower edges of the holes 12a and 13a and slightly bent upward. Casters 4a are recesses 2
3b, the device 11 moves downward by the depth of the recess of the recess 23b, so that the pressing by the lower edges of the holes 12a, 13a is released, and the claws 22a, 22b abut on the lower edges of the holes 12a, 13a. It is retained in the state of being.

Further, the claw portions 14a, 14b on the device 11 side are inserted into the holes 17a, 17b on the fixing metal fitting 15 side. In this state, the casters 4a are riding on the step 23, so that the device 11 is slightly inclined to the left side in the drawing with respect to the floor 20. However, since the caster 4a is housed in the recess 23b, the caster 4a does not roll down the slope portion 23a again and the device 11 does not easily move in the arrow A'direction.

Next, the adjuster plastic part 5 is rotated and lowered. Even if the contact portion 5a of the adjuster plastic part 5 contacts the floor 20, when the adjuster plastic part 5 is further rotated, the caster 4b side of the tilted device 11 is gradually lifted. As a result, the claws 14a and 14b on the device 11 side are caught in the upper portions of the holes 17a and 17b on the fixing metal fitting 15 side that have been inserted, and the direction is opposite to the direction in which the claws and holes are engaged. The movement of the device in the arrow A'direction is restricted.

As shown in FIG. 6, the adjuster plastic part 5 is stopped from rotating when the device 11 is kept horizontal with respect to the floor 20. Thus, by providing the recess 23b at the position where the caster 4a stops,
When the casters 4a run on the step 23, the stop of the device 11 is stabilized, so that the height adjustment work can be facilitated and the workability is improved.

Next, a modification of the second embodiment will be described. FIG. 9 is an explanatory diagram showing a modification of the second embodiment. In FIG. 9, the step 24 of the fixing member 15 is the first embodiment,
It does not have the slope portion as described in the second embodiment. Further, the recess 24b provided at the position where the caster 4a stops can be formed in a simple rectangular shape. By simplifying the shape of the step 24 in this manner, the manufacturing of the fixing member 15 can be facilitated.

[0022]

Since the present invention is configured as described above, it has the following effects.

That is, the first claw portion and the first hole are provided at the bottom of the device, and the fixing metal fitting is formed of a flat plate smaller than the bottom surface of the device, on which the casters ride.
A second hole that engages with the first claw portion and the first hole, respectively.
And the second claw portion is provided on the fixing fitting, and the height of the adjusting means is adjusted so that the first claw portion and the second hole and the first hole and the second claw portion are engaged with each other. As a result, since the fixing metal fitting is completely accommodated in the bottom surface of the device, it is possible to effectively use the space for fixing the device.

Further, since all the fixing means of the device are provided outside the housing, it is possible to maintain the mounting efficiency in the device as usual.

[Brief description of drawings]

FIG. 1 is a schematic side view showing a first embodiment of the present invention.

FIG. 2 is a perspective view showing a bottom portion of the device of the first embodiment.

FIG. 3 is a perspective view showing a fixing member of the first embodiment.

FIG. 4 is an explanatory diagram showing a fixing operation of the first embodiment.

FIG. 5 is an explanatory diagram showing a fixing operation of the first embodiment.

FIG. 6 is an explanatory diagram showing a fixing operation of the first embodiment.

FIG. 7 is a side view of essential parts showing a second embodiment of the present invention.

FIG. 8 is an explanatory diagram showing a fixing operation of the second embodiment.

FIG. 9 is an explanatory diagram showing a modified example of the second embodiment.

FIG. 10 is a schematic side view showing a conventional seismic fitting mounting structure.

[Explanation of symbols]

1, 11 Device 2, 15 Fixing bracket 3, 20 Floor 4, 4a, 4b Caster 5 Adjuster plastic part 12a, 13a, 17a, 17b Hole 14a, 14b, 16a, 16b, 22a, 22b
Claws

Claims (3)

[Claims] 1. A seismic fitting for fixing a movable device, which has a plurality of casters and adjusting means for adjusting a height of a fixed position on a bottom surface, to a floor via a fixing fitting fixed to the floor. In the structure, a first claw portion and a first hole are provided at the bottom of the device, and the fixing metal fitting is formed of a flat plate smaller than the bottom surface of the device on which the casters all ride, and the first claw is provided. Section and the second hole that engages with the first hole, and the second claw part are provided in the fixing metal fitting, and the height of the adjusting means adjusts the first claw part and the second hole. The seismic-resistant metal fitting mounting structure, wherein the first hole and the second claw portion are engaged with each other. 2. The seismic-resistant metal fitting mounting structure according to claim 1, wherein the fixing metal fitting is provided with a step on which a caster on the leading side rides when the device moves on the fixing metal fitting. 3. The seismic-resistant metal fitting mounting structure according to claim 2, wherein a recess is provided at a stop position of the caster on the step.