JPH0247858Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a vibration isolating device for chests of drawers, lockers, and other furniture.

[Conventional technology]

When a strong earthquake occurs, the horizontal vibrations cause furniture placed on the floor of a building to slide sideways on the floor, or in cases where the vibration is severe, to overturn, causing damage to furniture and stored items. There is a risk of not only damage to the furniture, but also personal injury due to being crushed under overturned furniture.

By the way, as measures to prevent furniture from skidding or overturning due to earthquakes, conventional methods have been to attach the back or side panels of furniture to the wall or floor of a building using wire and nails, arm fittings and screw nails, or bolts and nuts. A method of fixing by a combination of these is used.

In addition to this, there is also a method of fixing a furniture stand to the floor using screws or the like, and stabilizing the main body on the stand.

[Problem that the invention attempts to solve]

The conventional vibration isolation method of fixing furniture to a building as described above is considered to be reasonably effective in preventing the furniture from skidding or overturning due to vibrations of the building caused by an earthquake. Since the building is integrally fixed with the furniture, the vibrations of the building and the furniture are directly linked, and the vertical and horizontal shocks of the earthquake that the building receives are directly transmitted to the furniture. As a result, although the furniture does not fall over, there is a risk that its attachments and contents may break or become detached from the furniture and scatter. Furthermore, in the event of a severe earthquake, even if the vehicle does not collapse immediately, there is a risk that the anchoring device may be destroyed, resulting in a subsequent skid or rollover.

The purpose of the present invention is to eliminate the disadvantages of the conventional example,
To provide a vibration isolator for furniture that can cope with earthquakes easily and efficiently.

[Means for solving problems]

In order to achieve the above-mentioned object, the present invention has a gist in which a rigid plate is suspended horizontally inside a horizontal frame so as to be able to swing horizontally, and furniture is placed and fixed on the rigid plate.

[Function] According to the present invention, the vibration of the building during an earthquake is transmitted from the floor to the horizontal frame, and within this horizontal frame, the rigid plate makes a pendulum movement like a floating circle at an amusement park, thereby reducing the horizontal impact. is relaxed and the furniture is kept stable.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Fig. 1 is a longitudinal sectional front view showing one embodiment of the vibration isolator of the present invention, and Fig. 2 is a sectional view taken along the line A-A of Fig. 1. It is assumed that a horizontal frame is constructed in a rectangular shape with the opening facing inward, and the top plate 1a thereof has a tip slightly protruding inward from the bottom plate 1b.

A rectangular rigid plate 2 as a rigid plate is suspended horizontally from the top plate 1a of the horizontal frame 1 to the inside of the frame 1 by wires 4 so as to be able to swing horizontally. The wire 4 may be hung at a point, and the wire 4 may be relatively short.

Furthermore, a rubber cushioning material 3 having a triangular cross section is interposed between the back side of the upper surface plate 1a and the periphery of the rectangular steel plate 2. This cushioning material 3 may also be a continuous rectangular frame or may be disposed discontinuously in spots.

Furthermore, furniture 6 is placed on the square steel plate 2, but in this case, the connecting bolt 5 is raised from the steel plate 2 so that the furniture 6 is positioned above the horizontal frame 1 without touching it, and the furniture Support and fix the bottom plate of 6. In the figure, 9 indicates a nut screwed onto the bolt 5.

Note that the horizontal frame 1 can be made more stable by fixing its bottom plate 1b to the floor 8 with anchor bolts 7, but fixing with the anchor bolts 7 is not necessarily necessary.

Further, in this embodiment, the horizontal frame 1 is made of metal material having a U-shaped cross section, but it may also be made of other materials having strength equal to or higher than that of metal material. Although they are connected to form a rectangle, in some cases only two of them may be arranged in parallel on opposite sides of the rectangle.

Next, how to use it will be explained. When the furniture 6 is fixed on the vibration isolator of the present invention in this manner, when an earthquake occurs and the building shakes, the vibrations are transmitted to the horizontal frame 1 through the floor 8. However, within the frame 1, the rectangular steel plate 2 makes a pendulum motion like a play tree at an amusement park, thereby absorbing and mitigating the horizontal shock of an earthquake.

When the horizontal vibration is large due to a particularly strong earthquake, this device may transform it into vertical vibration. In that case, the rubber cushioning material 3 interposed between the rectangular steel plate 2 and the frame 1 It functions to absorb and alleviate the vertical shock of earthquakes.

The rubber cushioning material 3 also acts effectively against slight vibrations, and also works to suppress vibrations through frictional force.

[Effect of idea]

As mentioned above, the furniture vibration device of the present invention is
Absorbs or alleviates the impact that furniture placed on the floor of a building receives from the vertical and horizontal vibrations of a building caused by an earthquake, effectively preventing damage or ejection of not only the furniture itself but also its attached parts and contents. It is something that can be done.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional front view showing one embodiment of the furniture vibration isolator of the present invention, and FIG. 2 is a sectional view taken along the line A--A in FIG. 1...Horizontal frame, 1a...Top plate, 1b...Bottom plate, 2...Square steel plate, 3...Rubber cushioning material, 4...
... Wire, 5 ... Connection bolt, 6 ... Furniture, 7
...Anchor bolt, 8...floor, 9...Natsuto.

Claims (1)

[Scope of utility model registration request] A vibration isolating device for furniture, characterized in that a rigid plate is suspended horizontally inside a horizontal frame so as to be able to swing laterally, and furniture is placed and fixed on the rigid plate.