JP3573301B2 - Furniture fall prevention device - Google Patents

Description

[0001]
[Industrial applications]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a furniture overturn preventive device that is arranged between a ceiling plate and a ceiling surface of furniture and that can prevent furniture from overturning during an earthquake or the like.
[Prior art]
Conventionally, as this kind of furniture fall prevention device, there is, for example, one shown in FIGS. 8, 9, and 10.
The conventional furniture fall prevention device a includes a lower part b for holding down a furniture in contact with a top panel of furniture, an upper part c for contacting a ceiling with a ceiling surface, and a lower part b for holding down furniture. And a large-diameter outer pipe d which is arranged between the upper pipe c and the height of the ceiling abutment upper c and whose diameter is adjustable and which is vertically movably disposed in the outer pipe d. When the height of the ceiling contact upper part c is adjusted by moving the inner pipe e up and down with respect to the outer pipe d, which is mounted on the inner pipe e and the outer pipe d, the tip of the inner pipe e is attached to the inner pipe e. A thumb screw f for forcibly piercing and screwing into an appropriate position on the peripheral wall to fix the inner pipe e and the outer pipe d in a fixed state is provided between the lower part b for furniture holding and the lower part of the inner pipe e. And a screw-type fine height adjustment mechanism g.
Also, as another height-adjustable structure, holes are opened at a predetermined pitch in the height direction on the inner pipe, and after adjusting the height, a pin is inserted from the outer pipe into the hole at the corresponding position on the inner pipe. There is one that is fixed at that height.
[0003]
[Problems to be solved by the invention]
However, in the former furniture tipping prevention device a, the lower part b for holding down the furniture is directly in contact with the top plate of the furniture. There was a problem that it could be broken, causing damage to furniture.
Furthermore, when the inner pipe e is moved up and down with respect to the outer pipe d to adjust the height of the ceiling contact upper part c, the tip of the thumbscrew f is forcibly moved to an appropriate position on the peripheral wall of the inner pipe e. Due to the structure in which the inner pipe e and the outer pipe d are fixed by piercing and screwing, a plurality of holes are formed in the peripheral wall of the inner pipe e by adjusting the height a plurality of times. Thus, there is a problem that the soft inner pipe e becomes weak in strength.
[0004]
Further, when the inner pipe e is pierced by the tip of the thumb screw f, a strong force for screwing the thumb screw f is required, and since this work must be performed with a fingertip, this work is difficult to perform. There was a problem.
Moreover, since the inner pipe e is pierced and fixed at the tip of the thumbscrew f, if the inner pipe e is pierced and fixed at the tip of the wingscrew f a plurality of times, the screw cannot be used and cannot be used. There was a problem that would be.
Further, since the thumb screw f is screwed in and fixed after the height is adjusted, there is a problem in that the thumb screw f may come off due to pitching during an earthquake.
[0005]
The latter height-adjustable furniture fall prevention device has holes formed at a predetermined pitch, and the height can be adjusted at predetermined intervals, but there is a problem that the height cannot be finely adjusted. Was.
Further, since a plurality of holes are formed at a predetermined pitch in the height direction of the inner pipe, there is a problem that the strength of the inner pipe is weak.
SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems, and does not damage furniture, is easy to install, can be easily adjusted in height, and particularly easily performs fine adjustment of height. It is an object of the present invention to provide a furniture overturn preventive device capable of securely holding furniture and securely preventing the furniture from overturning against vibration during an earthquake, particularly vertical swing.
[0006]
SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and a furniture overturn preventive device according to claim 1 is provided with a plate for protecting furniture arranged on a top plate of furniture and an upper surface of the plate. Furniture holding lower part to be in contact with and hold down, ceiling contact upper part to be in contact with the ceiling surface, arranged between the furniture holder lower part and ceiling contact upper part, can be vertically expanded and contractable and can be fixed at any position A telescoping part, the telescoping part having an outer pipe having an opening formed in the bottom surface, and an inner pipe inserted through the opening so as to be able to advance and retreat inside and outside, and a lower end of the outer pipe Is provided with a spring receiving cap, on the outer periphery of the inner pipe is wound a winding spring that comes into contact with the spring receiving cap, and at the upper end of the winding spring, a stop ring having a diameter larger than the diameter of the inner pipe is provided. Arranged on the lower part for furniture holding, An adhesive is applied to the lower surface of the furniture, and the lower part for furniture holding is fixed to the plate by the adhesive, between the lower part for furniture holding and the inner pipe, the upper part for ceiling contact and the outer pipe. And a vibration follower spring is disposed in at least one of them.
3. The furniture fall prevention device according to claim 2, wherein a soft non-slip cap having a plurality of annular grooves formed on an upper end surface is fitted to an upper end of the ceiling contact upper portion. It is.
The furniture overturn prevention device according to claim 3, wherein a locking slit and an operation slit are formed at opposing portions of the peripheral wall of the outer pipe, and a tongue piece and a protruding piece are formed at the stop ring. The tongue protrudes outward from the operating slit on the peripheral wall of the outer pipe, the protruding piece is engaged with the locking slit of the outer pipe, and the tongue is in the operating slit with the protruding piece as a fulcrum. Is movable up and down .
[0009]
[Action]
According to the furniture fall prevention device of claim 1, a plate for protecting furniture is arranged on the upper surface of the top plate of the furniture, the vertical length of the expansion and contraction portion is adjusted, and the lower portion for holding down the furniture is placed on the upper surface of the plate. Then, the ceiling contact upper part is brought into contact with the ceiling surface. The furniture can be protected by the plate disposed between the furniture top plate and the furniture holding lower portion, and the furniture top plate is not damaged. In addition, installation is easy, height adjustment is easy, furniture can be held firmly in the event of an earthquake, and furniture can be prevented from tipping over.
Furthermore, since the lower part for furniture holding is fixed to the plate for furniture protection by the adhesive applied to the lower surface of the lower part for furniture holding, there is no displacement. In particular, the furniture can be held firmly without displacement even when the vehicle shakes when an earthquake occurs.
Further, a vibration follow-up spring disposed between the lower part for furniture holding and the inner pipe, and at least one of the upper part for ceiling contact and the outer pipe, follows the vertical vibration at the time of the earthquake. Since the vibration of the lever is absorbed, it is possible to sufficiently cope with the pitching, and the furniture can be held with elasticity and does not come off from the furniture.
According to the furniture fall prevention device of claim 2, the soft non-slip cap fitted to the upper end of the ceiling contact upper portion and having a plurality of annular grooves formed on the upper end surface abuts on the ceiling surface. The contact area with the surface can be increased, and the furniture fall prevention device does not slide down on the ceiling surface when an earthquake occurs, and the furniture can be securely held and the furniture can fall more It can be reliably prevented.
According to the furniture fall prevention device of claim 3, in order to adjust the vertical length, that is, the height of the expansion and contraction portion, when increasing the height, the outer pipe is extended upward relative to the inner pipe. The stop ring locked to the outer pipe slides on the outer peripheral surface of the inner pipe and moves upward, and the outer pipe moves upward with respect to the inner pipe to increase the height. On the other hand, when lowering the height, the tongue of the stop ring is wrapped with a finger and pressed down in the operation slit against the urging force of the spring to make the inner pipe free against this stop ring. In this state, the outer pipe is moved downward with respect to the inner pipe to lower its height, and after this height adjustment is completed, when the finger is released from the tongue of the stop ring, the stop ring is turned off. Due to the biasing force of the winding spring, the tongue side of the stop ring moves upward with the protrusion as a fulcrum, the inner end surface of the ring hole of the stop ring firmly contacts the outer peripheral surface of the inner pipe, and the stop ring contacts the inner pipe. Since it is fixed, the outer pipe is also firmly fixed to the inner pipe at the height adjustment position.
[0014]
【Example】
Hereinafter, embodiments of the furniture fall prevention device according to the present invention will be described with reference to the drawings.
FIG. 1 shows the appearance of the furniture tipping prevention device 1 of the embodiment in a state where the height position is adjusted and fixed, FIG. 2 shows the appearance before the height position adjustment, and FIG. 3 shows a fixed height position. 4 shows the internal structure in a state where the height position can be adjusted, FIG. 5 shows the appearance of a stop ring for height position adjustment, and FIG. 6 shows two furniture fall prevention devices. 1 shows a state in which the furniture K is fixed, and FIG. 7 shows a positional relationship between the ceiling surface T, the furniture K, and the furniture fall prevention device 1.
[0015]
As shown in FIGS. 1 and 2, a furniture fall prevention device 1 of the present embodiment includes a plate 2 for protecting furniture arranged on a top plate KT (see FIGS. 6 and 7) of furniture K, and a plate 2 for protecting the furniture. 2, a lower part 3 for holding down furniture that is in contact with the upper surface of the upper part 2, an upper part 4 for contacting with the ceiling that is in contact with the ceiling surface T, and a lower part 3 for holding down furniture and an upper part 4 for contacting with the ceiling. A telescopic part 5 that is telescopic and can be fixed at any position.
As shown in FIGS. 1 and 2, the plate 2 has a substantially quadrangular flat plate portion 2 a that is brought into contact with the upper surface of the corner portion of the top plate KT of the furniture K, and faces downward from two adjacent sides of the flat plate portion 2 a. The furniture K is formed by hanging short pieces 2b and 2c to be brought into contact with the back plate of the furniture K and the outer surface of the side plate, and the corner located at the corner end of the furniture K has a shape cut off by a predetermined dimension. The other diagonal corner of the corner is formed in an arc shape.
[0016]
The plate 2 is preferably made of a material such as iron, stainless steel, hard synthetic resin, and hard wood.
In the present invention, all the furniture fall prevention devices provided with the plate 2 can be suitably used.
In the furniture fall prevention device 1 of the illustrated embodiment, the lower end portion of the lower portion 3 for holding down the furniture is formed to be thick and large in diameter, and the upper end portion of the upper portion 4 for ceiling contact is also formed to be thick and large in diameter. However, the present invention is not limited to this.
[0017]
An adhesive 6 is applied to the lower surface of the lower part 3 for furniture holding, and the lower part 3 for furniture holding is fixed to the plate 2 by the adhesive 6.
A release paper (not shown) is attached to the adhesive 6 when not in use, and the release paper is peeled off and attached to the plate 2 when used.
In the present invention, it is not limited to the one coated with the adhesive 6, and in some cases, the lower part 3 for furniture holding directly placed on the upper surface of the plate 2 without the adhesive 6 is included as a matter of course. .
[0018]
A soft non-slip cap 7 having a plurality of annular grooves 7b formed in an upper end surface 7a is fitted to the upper end of the ceiling contact upper part 4, but the present invention is not limited to this. The upper surface of the ceiling contact upper portion 4 may directly contact the ceiling surface T without using the non-slip cap 7.
The expansion / contraction part 5 has an outer pipe 5A having an opening formed on the bottom surface, and an inner pipe 5B which is inserted through the opening so as to be able to advance and retreat inside the outer part. A locking slit 5b and an operating slit 5c are formed at a position facing the peripheral wall 5a.
[0019]
A winding spring 5D that comes into contact with a spring receiving cap 5C is wound around the outer periphery of the inner pipe 5B, and a stop ring 5E having a diameter larger than the diameter of the inner pipe 5B is disposed at an upper end of the winding spring 5D. The ring 5E is formed with a tongue piece 5d and a protruding piece 5e (see FIG. 5), the tongue piece 5d protrudes outward from the operating slit 5c of the peripheral wall 5a of the outer pipe 5A, and the protruding piece 5e is formed on the outer pipe 5A. The tongue piece 5d is movable up and down in the operation slit 5c with the protruding piece 5e as a fulcrum.
In the present invention, the structure of the expansion and contraction portion 5 is not limited to the above, and may be, for example, a screw type structure.
[0020]
A vibration follow-up spring 5F is arranged between the ceiling contact upper part 4 and the outer pipe 5A.
The vibration follow-up spring 5F is disposed in a deep annular recess 5g formed from the lower surface toward the upper portion at a location near the outer side of the upper and lower through holes 5f formed at the center of the ceiling contact upper portion 4, and The lower end is fitted on the inner surface of the upper end of the outer pipe 5A, and is in contact with the upper end of the reinforcing tubular body 5h that is vertically movably fitted into the deep annular recess 5g.
In the present invention, the present invention is not limited to the arrangement having the vibration follow-up spring 5F. For example, another elastic body may be used, or the vibration follow-up spring 5F may not be used.
[0021]
The lower end portion of the reinforcing cylindrical body 5h is locked by an annular locking claw 4a formed on the outer periphery of the lower end portion of the ceiling contact upper portion 4 and is prevented from falling off.
The lower portion of the inner pipe 5B is fitted and fixed in a deep recess 4a formed on the upper portion of the lower portion 4 for holding down furniture.
In the present invention, the present invention is not limited to the above structure. For example, the ceiling contact upper part 4 and the outer pipe 5A are integrally formed, and the furniture holding lower part 3 and the inner pipe 5B are integrally formed. The outer pipe 5A and the inner pipe 5B which constitute 5 may be vertically movably fitted to each other, and may be fixed at an arbitrary position.
[0022]
Next, an operation (operation) of fixing the furniture K by the furniture fall prevention device 1 as one embodiment of the present invention will be described with reference to FIGS. 1, 2, 6, and 7. FIG.
First, when the plate 2 is arranged at two corners on the back side of the furniture K and the height is adjusted to be high, the outer pipe 5A is extended upward with respect to the inner pipe 5B. The stop ring 5E locked on the inner pipe 5B slides on the outer peripheral surface of the inner pipe 5B and moves upward, and the outer pipe 5A moves upward with respect to the inner pipe 5B to increase the height.
[0023]
On the other hand, when adjusting the height to be low, the tongue piece 5d of the stop ring 5E of the furniture fall prevention device 1 is pressed downward with a finger to release the fixed state of the stop ring 5E and the inner pipe 5B, and the ceiling surface T The outer pipe 5A is moved downward with respect to the inner pipe 5B in accordance with the distance to the plate 2 to adjust the height thereof. After the adjustment, the finger is released from the tongue piece 5d of the stop ring 5E, and the winding spring 5D The tongue piece 5d side of the stop ring 5E is returned upward by the urging force, and the inner pipe 5B and the outer pipe 5A are fixed via the stop ring 5E.
[0024]
Next, after the release paper is peeled off, the ceiling contact upper part 4 is slightly pushed downward against the urging force of the vibration follow-up spring 5F, so that the furniture overturn prevention device is located between the ceiling surface T and the plate 2. 1, the adhesive 6 at the lower end of the lower part 3 for furniture holding is adhered to the upper surface of the plate 2 arranged at the corner of the top plate KT of the furniture K, and the furniture fall prevention device 1 is provided. The furniture K is fixed by positioning and releasing the depression of the ceiling contact upper part 4 and releasing the upper surface of the non-slip cap 7 at the upper end of the ceiling contact upper part 4 against the ceiling surface T.
[0025]
As shown in FIG. 7, the ceiling plate TI is usually disposed behind a ceiling, a part of which is attached to a plurality of piers S which are supported by hanging bolts TB, and a pier which is in contact with the wall portion C is also provided. S1 is provided, and a rim M is attached to the ceiling surface T below the pier S1.
Therefore, the furniture fall prevention device 1 is desirably located at a location where the crosspiece S1 and the peripheral edge M are attached, and by arranging at this position, the furniture fall prevention device is located at a structurally robust location on the ceiling surface T. Since the non-slip cap 7 fitted to the ceiling contact upper part 4 of the tool 1 abuts, the furniture K can be firmly fixed and held.
[0026]
The furniture overturn preventive device of the present invention is not limited to the furniture overturn preventive device 1 of the above-described embodiment, and can be applied to, for example, a furniture with an expandable and contractible portion configured as a screw.
Therefore, the operation (operation) is not limited to the operation in the above-described embodiment. For example, if the expansion / contraction part is configured as a screw, by rotating a part of the expansion / contraction part by hand, What is necessary is just to perform height position adjustment.
In the above-described embodiment, the structure in which the vibration follow-up spring 5E is disposed between the ceiling contact upper part 4 and the inner pipe 5B has been described. However, the present invention is not limited to this. It may be disposed between the lower part 3 and the outer pipe 5A.
[0027]
【The invention's effect】
As described above, the furniture fall prevention device of claim 1 includes a furniture protection plate disposed on a furniture top plate, a furniture holding lower portion that abuts on the upper surface of the plate to hold down, and a ceiling surface. A ceiling contact upper part to be contacted, and a telescopic part which is disposed between the furniture holding lower part and the ceiling contact upper part and is vertically expandable and contractable and can be fixed at an arbitrary position, wherein the elastic part has a bottom surface An outer pipe having an opening formed therein, and an inner pipe which is inserted through the opening so as to be able to advance and retreat inside the outer pipe. A spring receiving cap is provided at a lower end of the outer pipe, and the inner pipe is provided. On the outer periphery of the winding spring wound around the spring receiving cap is wound, a stop ring having a diameter larger than the diameter of the inner pipe is arranged at the upper end of the winding spring, the lower part for holding the furniture, the lower part An adhesive is applied to the lower surface, and the adhesive The lower part for holding down furniture is fixed to the plate by virtue of the vibration following at least one of between the lower part for holding down furniture and the inner pipe, or between the upper part for ceiling contact and the outer pipe. Since the spring is provided , the following effects are obtained.
[0028]
That is, since the furniture protection plate is arranged between the furniture top plate and the furniture holding lower portion, the furniture can be protected by the plate and the furniture top plate is not damaged. . Furthermore, place the lower part for furniture holding on the plate placed on the top plate of the furniture, adjust the vertical length of the expansion and contraction part, and contact the upper part for ceiling contact with the ceiling surface, and then adjust the length position , It is easy to install, the height can be easily adjusted, and the furniture can be held firmly in the event of an earthquake, and the furniture can be prevented from tipping over.
In addition, the lower portion for furniture holding, the lower surface thereof is coated with an adhesive, and the lower portion for furniture holding is fixed to the plate by the adhesive. Since it is fixed to the plate, no displacement occurs, and it is possible to sufficiently cope with a roll when an earthquake occurs.
Furthermore, since the vibration follow-up spring is arranged between the lower part for furniture holding and the inner pipe, and / or at least one between the upper part for ceiling contact and the outer pipe, the vibration follow-up spring is used when an earthquake occurs. Since this vibration is absorbed following the vertical vibration of the furniture, it is possible to sufficiently cope with the vertical swing, and the furniture can be held elastically, and the furniture fall prevention device comes off the furniture. Therefore, the furniture can be fixed and held more firmly.
[0029]
According to the furniture fall prevention device of the second aspect, the upper end of the ceiling contact upper portion is fitted with a soft non-slip cap having a plurality of annular grooves formed on the upper end surface. The formed soft non-slip cap abuts against the ceiling surface to increase the contact area with the ceiling surface, preventing the furniture fall prevention device from slipping and falling over the ceiling surface during an earthquake Furniture can be securely held, and furniture can be more securely prevented from falling.
[0030]
The furniture fall prevention device according to claim 3 is characterized in that, when adjusting the vertical length, that is, the height of the expansion / contraction portion, when increasing the height, the outer pipe is extended upward with respect to the inner pipe. The stop ring locked to the pipe slides on the outer peripheral surface of the inner pipe and moves upward, and the outer pipe moves upward with respect to the inner pipe, so that the height can be increased. When lowering, push down the tongue of the stop ring with a finger to make the inner pipe free with respect to this stop ring, and in this state, move the outer pipe up and down with respect to the inner pipe to raise its height. After adjusting the height and adjusting the height, release the finger from the tongue of the stop ring.The stop ring moves upward with the projecting piece as the fulcrum by the urging force of the winding spring, and the tongue side of the stop ring moves upward. Of the inner end of the inner pipe The stop ring is fixed to the inner pipe, and the outer pipe is also firmly fixed to the inner pipe at the height adjustment position, so when adjusting the height higher, the outer pipe must be fixed to the inner pipe. When extending upward and lowering the height, simply operate the tongue of the stop ring with your finger and press the outer pipe downward against the inner pipe, you can adjust the height and fix it, Operation is easy.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an appearance of a furniture fall prevention device according to an embodiment of the present invention after height adjustment of the furniture fall prevention device.
FIG. 2 is a perspective view showing the appearance of the furniture overturn prevention device of the embodiment before adjusting the height position.
FIG. 3 is a partially broken front view showing an internal structure of the furniture fall prevention device of the embodiment before a height position adjustment excluding a plate.
FIG. 4 is a partially broken front view showing the internal structure of the furniture fall prevention device of the embodiment in a state where the height position of the furniture fall prevention device is adjustable.
FIG. 5 is a perspective view showing an appearance of a stop ring for height position adjustment.
FIG. 6 is a perspective view showing a state in which furniture K is fixed by two furniture fall prevention tools.
FIG. 7 is a longitudinal sectional view showing a positional relationship between a ceiling surface, furniture, and a furniture fall prevention device.
FIG. 8 is a perspective view of a conventional furniture fall prevention device.
FIG. 9 is a partially broken front view of a conventional furniture fall prevention device before height adjustment.
FIG. 10 is a partially cutaway front view of the conventional furniture fall prevention device after adjusting the height position.
[Explanation of symbols]
K Furniture KT Top plate T Ceiling surface 1 Furniture fall prevention tool 2 Plate 3 Furniture holding lower part 4 Ceiling abutment upper part 5 Telescopic part 5A Outer pipe 5B Inner pipe 5C Spring receiving cap 5D Winding spring 5E Stop ring 5F Vibration following spring 5b Locking slit 5c Operation slit 5d Tongue piece 5e Projection piece

Claims (3)

A plate for furniture protection arranged on the top plate of the furniture, a lower part for holding down the furniture that abuts against the upper surface of the plate, an upper part for abutting the ceiling to abut on the ceiling surface, and a lower part for the furniture holding part. A telescopic part is provided between the ceiling contact upper part and is vertically expandable and contractable and can be fixed at an arbitrary position, and the telescopic part is provided with an outer pipe having an opening formed on a bottom surface and the opening through the opening. And an inner pipe that is inserted into the outer pipe so as to be able to advance and retreat.A lower end of the outer pipe is provided with a spring receiving cap, and a winding spring that comes into contact with the spring receiving cap is wound around the outer circumference of the inner pipe. Turned, a stop ring having a diameter larger than the diameter of the inner pipe is arranged at the upper end of the winding spring, and an adhesive is applied to the lower surface of the lower part for holding down the furniture, and the lower part for holding down the furniture by the adhesive. Is adhered to the plate And that the structure, between the inner pipe and the lower for the furniture pressing, at least either between the ceiling abutment for the upper and the outer pipe, wherein the vibration follow-up spring is disposed Furniture fall prevention device. The furniture fall prevention device according to claim 1, wherein a soft non-slip cap having a plurality of annular grooves formed on an upper end surface is fitted to an upper end of the ceiling contact upper portion . Opposite portions of the outer pipe peripheral wall are formed with a locking slit and an operation slit, and the stop ring is formed with a tongue piece and a protruding piece. Projecting outwardly from the operation slit, the protrusion is engaged with the locking slit of the outer pipe, and the tongue is movable up and down in the operation slit with the protrusion serving as a fulcrum. The furniture overturn prevention device according to claim 1 or 2, characterized in that:

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