JP2923447B2 - Furniture fall prevention device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a furniture fall prevention device for preventing furniture such as a cabinet or a cupboard installed in a room or the like from falling.

[0002]

2. Description of the Related Art Furniture such as the above-mentioned chests and cupboards are usually
Since it is formed in a vertically long box shape, it may fall down when an external force is applied. In particular, it is easy to fall when a large earthquake occurs, in which case you may be injured by hitting falling furniture or underlaying it.

In order to prevent the furniture from falling over, one end of an L-shaped holder is attached to the upper surface or upper side surface of the furniture, and the other end of the holder is fixed to a side wall in a room. It has been practiced to prevent the furniture from overturning.

However, when using the above holder,
Since one end must be fixed to furniture and the other end must be fixed to the side wall, the fixing work has been troublesome. In addition, in the case of a structure in which the holding tool is fixed with screws, the fixing work may not be easy. Furthermore, when the furniture is large, sufficient holding strength may not be obtained if the furniture is fixed by the holder.

[0005]

As described above, conventionally, an L-shaped holder is used to prevent furniture from falling, one end of which is fixed to the furniture, and the other end is fixed to a side wall of the room. As a result, the mounting work may be troublesome, or sufficient holding strength may not be obtained.

[0006] The present invention has been made based on the above circumstances, and an object of the present invention is to provide a furniture overturn prevention device that can securely prevent furniture from overturning with a simple operation.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to an overturning prevention device for holding furniture on a ceiling wall to prevent the furniture from overturning. Can be connected at a predetermined height by connecting means, and the lower plate side surface of the lower member is connected to the side plate of the lower member.
A movable body formed with a through hole communicating with the holder and installed on the upper surface of the furniture and connected to a height adjustable by a screw.
The movable member and the leg by rotating the member and the leg member and the screw.
A rotating shaft for adjusting the height dimension of the material,
The screw shaft between the lower surface of the bottom plate of the member and the upper surface of the furniture
And a pressurizing means installed facing the through hole .

[0008]

According to the above construction, when the holder is set to a predetermined height, the holder is placed on the upper surface of the furniture, and then the pressing means is set.
Of the rotating shaft of the lower member through through holes formed in the side plate of the lower member
And adjust the height so that the upper member of the holder
Since the furniture can be pressed, the furniture is held on the ceiling wall via the holding body, and the furniture is prevented from falling.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a first embodiment of the present invention. In FIG. 3, reference numeral 1 denotes a chest as furniture. The chest 1 includes a box-shaped main body 2 having an open front surface, and the main body 2 is provided with a plurality of drawers 3 that can be pulled out from the front surface thereof in a vertical direction. The uppermost drawer 3 is divided into two right and left sides, and a pair of sliding doors 4 are provided above the drawer 3 so as to be slidable along the width direction of the main body 2.

On the upper surface of the main body 2 of the chest 1, a fall prevention device 11 according to the present invention is provided. This fall prevention device 11 has a holder 12 as shown in FIG. The holder 12 has an upper box 13 as an upper member and a lower box 14 as a lower member. The front and lower end surfaces of the upper box 13 are open, and a pair of nuts 15 are embedded in a pair of side plates 13a in the front-rear direction at predetermined intervals in the height direction.

The lower box 14 has an open front and upper surface. A pair of side plates 14a correspond to a nut 15 embedded in the side plate 13a of the upper box 13 at a distance in the front-rear direction. One through hole 16 is formed.

A pair of second through holes 17 are formed in the side plate 14a at predetermined intervals in the front-rear direction below the first through holes 16, ie, below the bottom plate 14b of the lower box 14. ing. Further, a pair of third through holes 18 are formed at both ends in the width direction of the bottom plate 14b of the lower box 14 at predetermined intervals in the front-rear direction. A decorative plate 14c is provided at the front end of the bottom plate 14b.

The lower box 14 is sized to fit inside the upper box 13.
4 is connected by making the first through hole 16 of the lower box 14 correspond to the nut 15 of the upper box 13 and screwing a bolt 19 into the nut 15 from the through hole 16. That is, the connection means is constituted by the nut 15 and the bolt 19.

A nut 15 is provided on the side plate 13a of the upper box 13.
Are provided in a plurality of stages in the height direction, so that the height of the first through hole 16 is adjusted to the nut 15 at which height position.
The height dimension H (shown in FIG. 3) of the holding body 12 composed of the upper box 13 and the lower box 14 connected by the bolt 19 can be set.

Further, a pair of fourth through holes 20 are formed at lower ends of the pair of side plates 13a of the upper box 13 at predetermined intervals in the front-rear direction. The fourth through-hole 20 faces the second through-hole 17 of the lower box 14 when the upper box 13 is lowered to a level at which the lower end thereof touches the ground.

At four corners on the lower surface of the bottom plate 14b of the lower box 14, pressure jacks 21 as pressure means are provided. The pressure jack 21 has a movable member 22 as shown in FIG.

The movable member 22 is formed with a storage portion 24 having a lower end opened, into which a leg member 23 is slidably inserted. Further, the movable member 22 includes the movable member 2.
First flange 25 for fixing screw 2 to bottom plate 14b
And a second flange 26 for fixing to the side plate 14a
Is provided.

The housing 24 of the movable member 22 is provided with a first rotating shaft 31 having a screw 31a formed in the middle thereof. The head 31b of the first rotary shaft 31 where the minus groove is formed is rotatably supported by the movable member 22 so as to be exposed on the upper surface.

A first bevel gear 32 is fitted over the first rotating shaft 31. A second bevel gear 33 meshes with the first bevel gear 32. This second bevel gear 3
Reference numeral 3 denotes a second rotating shaft 34 that is rotatable on the movable member 22 and has an axis perpendicular to the first rotating shaft 31. The head 34 a of the second rotating shaft 34 having a minus groove is exposed on the side surface of the movable member 22.

The leg member 23 has a cylindrical shape with an open upper end, and a holding groove 35 is formed in the upper end thereof along the circumferential direction. The peripheral portion of the female screw plate 36 is held in the holding groove 35. The female screw plate 36 is rotatable and is formed at the center of the female screw plate 36.
The screw 31a of the rotary shaft 31 is screwed.

The lower end of the first rotating shaft 31 is rotatably supported by a receiving portion 37 formed on the inner bottom of the leg member 23. Further, a plurality of protrusions 38 for preventing the leg member 23 from rattling in the circumferential direction are provided on the inner circumferential surface of the storage portion 24 at predetermined intervals in the circumferential direction.

According to the pressure jack 21 having the above configuration, the first rotary shaft 31 is rotated while a load is applied to the leg member 23. When a load is applied to the leg member 23, the peripheral portion of the female screw plate 36 is pressed against the holding groove 35 to generate a frictional force therebetween, and the frictional force integrates these.

Therefore, if the first rotating shaft 31 is rotated in this state, the female screw plate 36 does not rotate in accordance with the rotating direction, and the screw 31 of the first rotating shaft 31 is not rotated.
It is driven up and down along a. When the female screw plate 36 is driven up and down, the leg member 23 is interlocked with the up and down movement and the storage portion 24 is moved.
, The height of the pressure jack 21 can be changed.

In order to rotate the first rotating shaft 31,
The driver is engaged with the minus groove of the head 31b and rotated directly, or the second rotating shaft 34 is rotated by engaging the driver with the minus groove of the head 34a,
The first rotating shaft 31 may be rotated via the second and first bevel gears 33 and 32.

Each of the pressure jacks 21 attached to the four corners of the lower surface of the bottom plate 14b of the lower box 14 has a head 31b of the first rotating shaft 31 opposed to the third through hole 18, and The head 34b of the second rotating shaft 34 faces the second through hole 17 of the side plate 14a.

Accordingly, a driver can be inserted into each of the through holes 17 and 18 to directly rotate the first rotating shaft 31 or to rotate the first rotating shaft 31 via the second rotating shaft 34. It has become.

Next, a procedure for installing the overturn prevention device 11 having the above configuration will be described. First, the dimension between the upper surface of the chest 1 and the ceiling wall is measured, and the first through hole 16 of the lower box 14 is inserted into the upper box 1 so as to have a height slightly smaller than this dimension.
Nut 1 at predetermined height position provided on side plate 13a of No. 3
5, the upper box 13 and the lower box 14 of the holder 12 are connected by bolts 19.

Next, when the holding body 12 is placed on the upper surface of the chest 1, the first rotating shaft 31 is moved in a direction in which the leg members 23 of the pressure jack 21 relatively protrude from the movable member 22.
To rotate. As a result, the movable member 22 rises, so that the holding body 12 interlocks with the rise, and the upper surface of the upper box 13 comes into pressure contact with the ceiling wall W.

When the upper surface of the upper box 13 is pressed against the ceiling wall, the chest 1 is held by the ceiling wall W via the holding body 12, so that the chest 1 falls due to the holding force. Can be prevented.

The upper surface of the upper box 13 makes surface contact with the ceiling wall W, and the leg member 23 makes surface contact with the upper surface of the chest 1. Therefore, the holding body 12 contacts the ceiling wall W and the upper surface of the chest 1 with a sufficient contact force, so that the chest 1 is firmly fixed to the ceiling wall W via the holding body 12. That is, it is difficult to fall down by an external force.

On the other hand, the holder 12 is composed of the upper box 13 and the lower box 1.
4 form a box shape with an open front. Therefore, the internal space of the holding body 12 can be used as a storage section for articles. That is, the holding body 12 can be used not only to prevent the chest 1 from overturning but also as a storage section for articles.

FIGS. 4 and 5 show a second embodiment of the present invention. In the fall prevention device 11A of the second embodiment, a holder 12A is formed by an upper band plate 51 as an upper member and a lower band plate 52 as a lower member.

A pressure jack 21A as a pressure means is provided on the lower band plate 52. This pressure jack 21
A is a rectangular tubular fixing member 53 fixed to the upper band plate 51.
Having. A rectangular tubular lid member 55 whose upper end is closed is slidably fitted to the fixing member 53.

The movable member 22 and the leg member 23 shown in the first embodiment are housed inside the fixed member 53. A long hole 56 is formed in one side wall of the lid member 55 in the vertical direction.
2, the head 34a of the second shaft 34 is exposed.

When the second shaft 34 is rotated, the movable member 22 moves up and down with respect to the leg member 23 in accordance with the rotation direction.
Are linked. Since the pressure jack 21A is substantially the same as the pressure jack 21 of the first embodiment, the same portions are denoted by the same reference numerals and description thereof will be omitted.

A lower cylinder 57 is provided upright on the upper surface of the lid member 55. A plurality of first engagement holes 58 are formed in the lower cylinder 57 at predetermined intervals along the height direction. The lower cylinder 57 is connected to an upper cylinder 59 which is suspended from the lower surface of the upper band plate 51 via a mounting plate 60.

That is, the connecting shaft 61 is inserted and fixed to the upper cylinder 59. The connecting shaft 61 has a lower end protruding from the upper cylinder 59, and a second engaging hole 62 penetrating in the radial direction is formed at a predetermined interval in the protruding portion in the axial direction.

When the lower end of the upper cylinder 59 is in contact with the upper end of the lower cylinder 57 as shown in FIG. 4, the second engagement hole 62 faces the first engagement hole 58 at the lowermost end. By raising the upper cylinder 59, that is, the upper band plate 51, the second engagement hole 62 can be opposed to another first engagement hole 58.

By inserting the pin 63 into the opposing first engagement hole 58 and second engagement hole 62, the upper cylinder 59 can be held at that position so as not to descend. That is, the lower tube 57, the upper tube 59, and the connecting shaft 61 constitute a connecting means capable of changing the height dimension of the upper band plate 51 with respect to the lower band plate 52 stepwise.

The overturn prevention device 11A having the above-described structure adjusts the height dimension of the upper band plate 51 with respect to the lower band plate 52, that is, the distance between these plates 51, 52, according to the space between the cabinet 1 as furniture and the ceiling wall W. The distance between the upper surface of the chest 1 and the ceiling wall W is set smaller. Next, the device 11A is installed on the upper surface of the chest 1, and the second shaft 34 is inserted through the long hole 56 of the cover member 53.
The driver is engaged with the head 34a of the second shaft 34a.
To rotate.

As a result, the upper band plate 51 rises together with the lid member 53, and the upper band plate 51 is pressed against the ceiling wall W to fix the device 11A between the upper surface of the chest 1 and the ceiling wall W. Since it is possible, the chest 1 is held by the device 11A and is prevented from overturning due to external force.

[0042]

As described above, the present invention has a holding member composed of an upper member and a lower member so that the upper member and the lower member can be connected to each other at a predetermined height .
And a movable member and a leg member connected so as to be adjustable in height.
The height dimension between the movable member and the leg member by rotating the screw
Pressurizing means having a rotation axis for adjusting the method,
Furniture facing the through hole formed in the side plate of the lower member
Between the holder and the holding member.
The upper member of the holding body was pressed against the ceiling.

Therefore, the holder is set at a predetermined height and set on the upper surface of the furniture, and then the holder is pressed by the pressing means.
The furniture is held by the holding body by being raised and pressed against the ceiling wall, and the furniture can be prevented from falling.

[0044] Moreover, since it holds the furniture by raising the holding member, Ru easy der work at that time.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing the entire configuration of a first embodiment of the present invention.

FIG. 2 is a sectional view of the pressure jack.

FIG. 3 is a front view of a state in which furniture is held by the holding body.

FIG. 4 is a perspective view of a holder showing a second embodiment of the present invention.

FIG. 5 is a sectional view of the same.

[Explanation of symbols]

12, 12A: holder, 13: upper box (upper member), 14: lower box (lower member), 19:
Bolt (connecting means), 21, 21A ... Pressure jack,
51: Upper band plate (upper member), 52: Lower band plate (lower member), 63: Pin (connecting member).

Claims (1)

(57) [Claims] 1. A fall prevention device for holding furniture on a ceiling wall to prevent the furniture from falling, wherein the furniture is divided into an upper member and a lower member, and these members can be connected at a predetermined height by connecting means. , The side plate of the lower member
A through hole communicating with the lower surface side of the bottom plate is formed on the upper surface of the furniture, a movable member and a leg connected to the height adjustable by a screw.
The movable member and the leg member are formed by rotating the material and the screw.
A rotating shaft for adjusting the height dimension, and a bottom plate of the lower member
Insert the screw shaft between the lower surface of the
And a pressurizing means installed to face the furniture.