JPS641538U

JPS641538U -

Info

Publication number: JPS641538U
Application number: JP9535987U
Authority: JP
Priority date: 1987-06-23
Filing date: 1987-06-23
Publication date: 1989-01-06
Also published as: JPH0347549Y2

Description

[Brief explanation of the drawing]

第１図は、本考案による免震装置の１実施例を
、その上に設置した収納家具と一緒に示す略側面
図、第２図は、本考案装置の１実施例を、中立状
態において示す下から見た底面図、第３図は、第
２図の―線による断面図、第４図は、同じく
第２図の―線による断面図、第５図は、本考
案に使用されるトリガ装置の１例を示す側面図、
第６図は、同じく正面図、第７図は、収納家具を
トリガ装置により、本考案装置の上に、家屋の壁
際に設置した状態を示す側面図、第８図は、第７
図において、トリガ装置が解除され、上下台座が
中立位置にとなつた状態を示す側面図、第９図は
、従来の収納家具における地震による転倒防止手
段の１例を示す略図、第１０図は、同じく他の例
を示す略図である。１……床、２……壁、１１……収納家具、１２
……上台座、１３……下台座、１５……直線運動
ベアリング、１６……レール、１７……引つ張り
ばね装置、２０……減衰装置、２０_１……流体ダ
ンパ装置、２０_２……摩擦ダンパ装置、２７……
摩擦板、２８……摩擦子、２９……摩擦ダンパ本
体、３０……トリガー装置、４０……緩衝器、５
０……低摩擦材。 Fig. 1 is a schematic side view showing one embodiment of the seismic isolation device according to the present invention together with storage furniture installed thereon, and Fig. 2 shows one embodiment of the seismic isolation device according to the present invention in a neutral state. 3 is a sectional view taken along the line - in FIG. 2, FIG. 4 is a sectional view taken along the line ``-'' in FIG. 2, and FIG. 5 shows the trigger used in the present invention. A side view showing an example of the device,
FIG. 6 is a front view, FIG. 7 is a side view of the storage furniture installed on top of the device of the present invention against the wall of a house using a trigger device, and FIG.
In the figure, the trigger device is released and the upper and lower pedestals are in the neutral position. Fig. 9 is a schematic diagram showing an example of a means for preventing fall due to an earthquake in conventional storage furniture. Fig. 10 is , which is also a schematic diagram showing another example. 1...floor, 2...wall, 11...storage furniture, 12
... Upper pedestal, 13 ... Lower pedestal, 15 ... Linear motion bearing, 16 ... Rail, 17 ... Tension spring device, 20 ... Damping device, 20 ₁ ... Fluid damper device, 20 ₂ ... Friction damper device, 27...
Friction plate, 28...Friction element, 29...Friction damper body, 30...Trigger device, 40...Buffer, 5
0...Low friction material.

Claims

[Claims for Utility Model Registration] 1. A lower pedestal 13 that is horizontally fixed on the floor 1, and a lower pedestal 13 that is placed on the lower pedestal 13 so as to be able to move horizontally relative to it. It has an upper pedestal 12, an upper pedestal 12, and a lower pedestal 13.
are connected to each other via a tension spring device 17 and a damping device 20 arranged parallel to the direction of horizontal relative linear motion between the upper and lower pedestals 12 and 13, and the upper and lower pedestals are A seismic isolation device for storage furniture in which a low friction material 50 is arranged on the mating surfaces of 12 and 13. 2. The horizontal relative linear movement of the upper pedestal 12 with respect to the lower pedestal 13 causes the rail 16 attached to the upper pedestal 12 or the lower pedestal 13 and the lower pedestal 13 or the upper pedestal 12 to
A seismic isolation device for storage furniture according to claim 1, which is comprised of a pair of linear motion bearings 15 attached in correspondence with the Utility Model Registered Claim. 3. The upper pedestal 12 is composed of a low-height hollow frame having a substantially rectangular planar outline, and the lower pedestal 13 has a substantially corresponding rectangular planar outline of a certain height. A low-friction material 50 is arranged on the mutually opposing mating surfaces around the upper and lower pedestals 12 and 13, and the opposing long side walls 12 of the upper pedestal 12
_{A pair} of rails 16 are fixed at each end between the opposite short side walls 12 ₁ of the lower pedestal 13 , and a pair of rails 16 are fixed between the opposite long side walls 1 of the lower pedestal 13 .
Between 3 _{and 2} , at a position corresponding to each rail 16,
A pair of linear motion bearings 15 are fixedly provided,
Further, between the upper pedestal 12 and the lower pedestal 13, two sets of tension spring devices 17 are arranged parallel to the short side wall ₁₂₁ of the upper pedestal 12, and each set of tension spring devices 17 One end is attached to the opposite long side wall ₁₃₂ of the lower pedestal 13, and the other end is attached to the upper pedestal 1.
2 at approximately the center thereof, and the damping device 20 is arranged parallel to the short side wall ₁₂₁ of the upper pedestal 12, and one end thereof is attached to the opposite long side wall 132 of the lower pedestal ₁₃ , and the other end A seismic isolation device for storage furniture as set forth in claim 1, which is a utility model, and comprises a seismic isolation device for storage furniture, which is attached to an upper pedestal 12. 4 Each set of tension spring devices 17 is composed of a pair of coil springs 17 ₁ , 17 ₂ arranged on one straight line, and one end of each coil spring 17 ₁ , 17 ₂ is attached to the lower pedestal 13 The seismic isolation device for storage furniture according to claim 3, wherein the seismic isolation device is attached to the opposing long side walls ₁₃₂ , and the other end is attached to the upper pedestal 12 at approximately the center thereof. 5. Utility model registration request in which the damping device 20 disposed between the upper pedestal 12 and the lower pedestal ₁₃ is composed of both or one of a fluid damper device ₂₀₁ and a friction damper device 202. A seismic isolation device for storage furniture according to any one of items 1 to 4. 6 The fluid damper device 20 ₁ is placed between the two sets of tension spring devices 17 on the short side wall 12 ₁ of the upper pedestal 12. It consists of an oil damper, a viscous damper, etc. arranged parallel to the lower pedestal 13.
The other end is attached to the upper pedestal 1 so that it can be rotated freely.
2. A seismic isolation device for storage furniture according to claim 5, which is rotatably attached to a storage furniture. 7 Two sets of friction damper devices 20 ₂ are mounted on the upper pedestal 12
and the lower pedestal 13, one pair of friction damper devices 202 are arranged on the outside of the tension spring device 17 in the same direction as the tension spring device 17, and each set of friction damper devices ₂₀₂ is attached to the lower pedestal 13 with its short side wall. a vertical friction plate mounting member 26 arranged parallel to the long side wall 13 ₁ and attached to the long side wall 13 ₂ at each end, and a friction plate 27 attached to the surface opposite the short side wall 13 ₁ ; , attached to the upper pedestal 12,
The friction damper body 29 has a friction element 28 having an end that makes surface contact at right angles to the friction plate 27, and the friction element 28 presses the friction plate 27 with a predetermined force via the friction damper body 29. A seismic isolation device for storage furniture according to claim 5 of the utility model registration claim. 8. Utility model registration claim No. 8, in which a shock absorber 40 is attached and is arranged between the storage furniture 11 installed on the upper pedestal 12 constituting the seismic isolation device and the wall 2 of the house, etc. The seismic isolation device for storage furniture according to any one of items 1 to 7. 9. The seismic isolation for storage furniture according to claim 8, in which the shock absorber 40 is comprised of a block made of an elastic material such as rubber, polyurethane, silicone gel, etc. or a hydraulic mechanism having a certain size. Device.