JP2007021146A - Overturning prevention device for furniture or like - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problems that the ceiling, whose material is usually fragile, can be broken when an earthquake violently quakes conventional overturning prevention devices, which are inserted between furniture and a ceiling for fixing the furniture for preventing it from falling and that the furniture can be broken because the central material of the top surface is thin. <P>SOLUTION: In a tightly closed cylinder (17), a partition (8) which is attached to the inside of the cylinder (17) is made. On this partition (8), a shaft (10) is hanged from its center. The axis (10) penetrates the bottom plate (12) of the cylinder (17), comes out of the cylinder (17) and is jointed with a mount washer (13) which is in a lower part and fixed in parallel with this. The top surface of the partition (8) is fitted with an elastic sheet (5) and a spring (2). This partition (8) is jointed with a sheet (7) which is the same with a metal disk and with the bottom plate (12). In the cylinder (17), oil being 85-95% of the volume is introduced. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is an instrument for preventing falls of furniture, such as a chiffon, cupboard, bookcase locker or refrigerator, when attacked by an intense vertical or horizontal vibration of an earthquake. The apparatus of the present invention is fixed to the inside of the front bottom of the furniture, and when furniture is shaken by vibration, the furniture can be tilted backward using hydraulic pressure to prevent the furniture from falling over.

  For example, a furniture fixing device disclosed in Japanese Patent Application Laid-Open No. 8-238137 has been conventionally used as a furniture overturn prevention device that is interposed between an upper surface and a ceiling surface of furniture and fixes the intervention. Known as an example.

  Conventional fixtures are used to prevent furniture from falling over, which is interposed between the top surface of the furniture and the ceiling, but the ceiling material is weakly damaged, and because the material at the center of the top surface of the furniture is thin, the top surface of the furniture There is also damage of the part.

  The present invention is intended to solve the problems of such a conventional configuration, and the instrument of the present invention is attached to the inside of the front bottom of furniture or the like without damaging the ceiling or furniture. The purpose is to realize the fall prevention of furniture.

In order to achieve the above object, the present invention is provided with a screw that is sealed at the upper end of the cylinder and screwed inside the lower end. The spring is a funnel-shaped and spiral spring, and the washer has a circular collar. The oil valve press-fitted to the lower side uses a circular elastic material so that the oil passage hole of the partition wall, which has a plurality of small oil return holes, is 40 % of the diameter of the cylinder at the same position as the return hole of the oil valve Plural oil passage holes with a diameter of 40% in the whole partition are evenly drilled, the stopcock also has an oil passage hole at the same position as the partition, and the shaft that opens the shaft mounting hole in the center of the stopcock, partition wall, oil valve is the partition wall, To fix the stopcock and oil valve, provide a screw hole at the top center and provide a screw hole in the lower center. The bottom plate, which is inserted from the bottom and supplies oil to 85% to 95% of the cylinder, operates to prevent oil leakage. Fixing a good oil stopper, drilling a shaft hole in the center of the bottom plate and screwing it into the cylinder, and sealing it. The mounting of the base washer and the shaft was installed with two ribs and a screw to move the shaft. When the base washer and the shaft move, the load from the side of the shaft can be prevented, and there is a space of 5% to 5% of the oil level in the cylinder, so the operability is good and the instantaneous pressure on the shaft is also soft. .

  In addition, the second problem solving means is that the furniture tilts back in a few tens of seconds when the shaking stops and stops, and even if there is a second and third shaking, it repeatedly operates to prevent the furniture from falling and the ceiling. And a fall prevention device for furniture and the like that does not damage the furniture and the like.

The operation of the above first means for solving problems is as follows, namely, mounting the fixture and the instrument to the front bottom portion of the side of the furniture or the like, furniture, etc. in the instrument utilizing the pressing spring 2 and a hydraulic A fall prevention device for furniture, etc. that can prevent falling even if there is a vertical or horizontal roll of an earthquake

Moreover, action by the second means for solving problems is front underside of the furniture or the like floats in pitch and roll of the earthquake attaching the fixing the fitting the tool to the fitting to the front bottom portion in the side of such furniture Then, since the spring 2 always presses the shaft 10, the shaft 10 is pushed out. At that time, the oil valve 5 is opened in the cylinder 17, the oil passes through the oil passage hole 6, and the shaft 10 is lifted above the lower portion of the cylinder 17. When the base washer 13 arrives at the floor, the oil valve 5 closes, hydraulic pressure is applied to the upper part of the cylinder 17 and a load is applied to the shaft 10 to support the part where the bottom front surface of the furniture and the like floats. Demonstrate the effect.

  As described above, the furniture fall prevention device of the present invention tilts the furniture etc. backward using hydraulic pressure when the furniture etc. shakes violently due to an earthquake, and if the tilted furniture etc. An instrument that returns to its original position in several tens of seconds due to gravity and prevents furniture and the like from falling down can be provided.

  In addition, it is possible to provide a device that operates repeatedly even if the second and third shaking of the earthquake occurs.

  In addition, when the shaft 10 is loaded to the shaft 10 for attaching the base washer 13 under the shaft 10 and the mounting portion of the base washer 13 so that the shaft 10 moves back and forth in the front direction of furniture, etc. By moving the attachment part of the shaft 10 and the base washer 13, the effect of preventing the load on the shaft 10 from the side while not damaging the tatami mat or the carpet is exhibited.

As a specific means for solving the problems of the conventional example, the present invention is provided with a circular partition wall 8 in contact with the inside of the cylindrical body 17 in the vertically-arranged sealed cylindrical body 17, and the partition wall 8 has a shaft 10 from the center. The shaft 10 extends outside the cylinder 17 through the bottom plate 12 of the cylinder 17, and the lower end of the axis 10 is provided below the bottom plate 12 and in parallel with the bottom plate 12 . A plurality of oil passage holes 6 are provided in the partition wall 8 connected to the base washer 13, and the elastic sheet 5 is shorter in diameter than the partition wall 8 on the upper surface of the partition wall 8. The central portion of the partition wall 8 is elastic. between the ceiling of the sheet 5 and the cylindrical body 17, the spring 2 inset, the partition wall 8 by the partition wall 8 and stopcock 7 and the bottom plate 12 with a disc made of metal plate, Aburatome sheet 11 on top of which the bottom plate 12 that made up the The cylinder 10 is connected around the shaft 10 and has a volume of 85% to 95% of the volume. Furniture featuring that the fed enter yl and the like fall prevention device

  The base washer 13 and the shaft 10 are attached by providing two ribs 20 on the base washer 13 so that the shaft 10 can move back and forth. When the instrument is operated, the base washer 13 and the shaft 10 are moved from the side of the shaft 10. The oil level 22 at the upper part in the cylinder 17 can prevent a load, and by making a space of 5% to 15% in the cylinder 17, the operability of the partition wall 8 is good and the instantaneous pressure applied to the shaft 10 is also soft. Furniture fall prevention device

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

  In the figure, FIG. 1 shows a furniture fall prevention device 1 and the like. If a plurality of fall fall prevention devices 1 such as furniture are attached to the bottom of the front surface of the furniture, etc. When the screw 2 is pressed, the oil valve 5 opens and the oil rises when the upper shaft 10 of the cylinder 17 reaches the floor, and when the sill base washer 13 arrives at the floor, the oil valve 5 closes to support the floating part of the furniture by hydraulic pressure, etc. Tilt the back to prevent the furniture from falling.

  If the furniture is tilted without the shaking of the earthquake, the oil will gradually fall from the oil return hole 4 to the lower part of the cylinder 17 due to the gravity of the furniture, etc. If the inclination of the class etc. is restored and the furniture is shaken again by the earthquake, the action can be continued repeatedly.

  2 is a cross-sectional view of the shaft 10 and the base washer 13, and the mounting portion of the shaft 10 and the base washer 13 is configured so that the shaft 10 moves back and forth, and FIG. 3 is a lateral view of FIG. The shaft 10 is actuated by moving like a dotted line, and the shaft 10 is loaded, and when it is applied, the load from the side is prevented. Fix to move.

  FIG. 3 is a lateral view of FIG. 2 and a cross-sectional view in which the shaft 10 moves as indicated by a dotted line.

  FIG. 4 is a plan view of a fall prevention device such as furniture.

FIG. 5 is a cross-sectional view of the fall-preventing device 1 such as furniture. The spring 2 always presses the shaft 10, and when there is a gap between the floor and the base washer 13, the shaft 10 is lowered and the oil valve 5 is opened at the same time. A load is applied to the base washer 13 and the shaft 10 by passing through the oil passage hole 6 to the upper part of the cylinder 17, and if it is applied, the oil valve 5 is closed and hydraulic pressure is applied to the part of the cylinder 17 to tilt the furniture and the like backward. It is a tool for preventing overturning such as furniture, and the corrugated line of the cylinder 17 indicates the oil upper surface 22, and when the oil is supplied to 85% to 95% of the cylinder, a space of 5% to 15% is created, and the instrument is activated. Sometimes the movement of the oil is fast and the shaft 10 can move and operate instantly.

  FIG. 6 is an exploded view of the fall prevention device 1 such as furniture and the like. A step is formed on the washer 3 so that the lower side of the spring 2 does not move left and right, and a partition wall is formed on the shaft 10 for press-fitting the washer 3 below the spring 2. 8 Hold down the stopcock 7 and oil valve 5 with the washer 3, tighten and fix with the screw 9, insert it from the lower side of the cylinder 17, and then feed the oil to 85% to 95% of the cylinder 17. The rubber 11 is fixed to the upper side of the bottom plate 12, the bottom plate 12 is screwed into the cylindrical body 17, and the base washer 13 is attached to the lower end of the shaft 10.

More oils as the stopcock 7 partition wall 8 such that the magnitude of the oil as the hole 6 becomes 40% of the inner diameter of the device to open a plurality of oil as hole 6 using the elasticity and oil resistance of the material of Figure 6 The oil valve 5 that opens the hole 6 and the stopcock 7 at the same position and opens the oil passage hole 6 of the same size uses a material of elasticity and flexibility, and returns a plurality of small oil returns to the same position as the oil passage hole 6 of the stopcock 7. Hole 4 is drilled.

  FIG. 7 is a cross-sectional view of the instrument in operation with small arrows indicating oil movement

  FIG. 8 is a cross-sectional view in which a load is applied to the instrument.

Material Tubular Iron Spring Steel Washer Iron Oil valve Flexible and oil-resistant rubber Stopcock Oil-resistant rubber (cup)
Bulkhead Iron (Piston)
Screw stainless steel shaft steel (shaft)
Oil stopper Oil-resistant comb (oil seal)
Bottom plate Iron Base washer Iron Screw Iron Nut Iron

Dimensions / Cylinder Outer diameter 660 mm Inner diameter 600 mm Height 750 mm Overall length 900 mm The above equipment can withstand 1000 kg of gravity per piece, but the size of the equipment varies depending on the size and gravity of furniture etc.

  The front view of the furniture etc. fall prevention apparatus which shows embodiment of this invention   Partial sectional view of the shaft of the fall prevention device and the mounting part of the base washer   Cross-sectional view of the shaft of the fall prevention device and the mounting part of the base washer   Top view of the fall prevention device   AA line sectional view in FIG. 4 of the fall prevention device   Disassembled parts drawing of the fall prevention device

Explanation of symbols

Anti-tip device 2 springs such as 1 furniture 3 washer 4 oil return holes 5 Aburaben 6 oil as holes 7 stopcock 8 partition wall 9 screw 10 the shaft 11 Aburatome 12 bottom plate 13 foundation washer 14 Screw 15 Nut 16 threaded as holes 17 cylindrical body 18 Mounting hole 19 Screw hole 20 Rib 21 Shaft hole 22 Oil upper surface
23 Base washer mounting hole

Claims (3)

  A partition wall (8) that is in contact with the inside of the cylinder body (17) is provided in the sealed cylinder body (17). A shaft (10) is suspended from the center of the partition wall (8). The partition wall is connected to the base washer (13) provided parallel to the base washer (13) on the lower base washer (13) through the bottom plate (12) of the body (17). (8) has a plurality of oil passage holes (6), and the elastic sheet (5) has a diameter shorter than that of the partition wall (8) on the upper surface of the partition wall (8). A spring (2) is fitted between the elastic sheet (5) and the ceiling of the cylinder (17). The partition wall (8) becomes a disc metal plate, the same sheet (7), and a bent bottom plate (12). An oil stop sheet (8) is connected to the upper part of the bottom plate (12) that surrounds the shaft (10), and a volume is contained in the cylinder (17). Furniture fall prevention device for a sheet off to feature 85% to 95% of the oil against   The mounting of the base washer (13) and the shaft (10) is made by providing two ribs (20) on the base washer (13) so that the shaft (10) can move back and forth. The furniture overturn prevention device according to claim 1, wherein a load from the side of the shaft (10) can be prevented by moving the shaft (10).   The oil level (20) at the upper part in the cylinder (17) has a space of 5% to 15% in the cylinder (17), so that the partition wall is easy to operate and the instantaneous pressure applied to the shaft (10) is soft. The furniture overturn prevention device according to claim 1 or 2

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