JPH11103961A - Device for preventing fall of cupboard - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cupboard fall preventing device by which a cupboard is effectively prevented from falling at the time of the occurrence of a vibration owing to an earthquake, or the like, without permitting a device itself to be an obstacle at the time of normality. SOLUTION: Support legs 12 does not become the obstacle of a user, or the like, since they are contained inside the base part of the cupboard 1. Besides, when rocking is caused in the cupboard by the earthquake, or the like, the support legs 12 are protruded from at least the front surface of the cupboard 1 towards an outer part so that the fall of the cupboard 1 to a user side is positively prevented and safety as against the user is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage fixture fall prevention device which can prevent a storage fixture such as a locker, a cabinet, a refrigerator or the like from falling when an earthquake occurs.

[0002]

2. Description of the Related Art Conventionally, in order to prevent a storage fixture such as a locker or a cabinet from falling when an earthquake occurs, a floor or a wall is connected to the storage fixture with a seismic fitting or the like, or JP-A-57-107115. A method of preventing a fall by increasing a contact area with a floor using a fall prevention device as disclosed in Japanese Unexamined Patent Publication (Kokai) No. H10-260, 1988 has been used.

[0003]

However, in the above-mentioned overturn prevention device, when the device is attached to the outside of a storage fixture or the like, for example, not only may the device itself become a hindrance in normal times, but also the device itself may become an obstacle. Since the mounting direction is not determined, there is a risk that the storage fixture may fall over on the user side depending on the mounting position.

The present invention solves such a problem, and the apparatus itself does not become a hindrance in normal times.
It is an object of the present invention to provide a storage fixture fall prevention device capable of effectively preventing the storage fixture from overturning when vibration occurs due to an earthquake or the like.

[0005]

In order to achieve the above object, an apparatus for preventing a storage fixture from tipping over according to the present invention is housed in a bottom part of the storage fixture, usually in the bottom part, and subjected to vibration caused by an earthquake or the like. When receiving the storage fixture, a support leg is provided that projects outward from at least the front surface of the storage fixture via an opening formed at a predetermined location on the bottom of the storage fixture. According to this feature, the support leg is normally stored in the bottom of the storage fixture so that it does not obstruct the user or the like. In addition, when the storage fixture shakes due to the occurrence of an earthquake or the like, the support legs protrude outward from at least the front of the storage fixture, so that the storage fixture is positively prevented from falling to the user side, The safety for the user is improved.

[0006] The storage fixture falling prevention apparatus of the present invention may be arranged such that the support legs project outward from at least the left and right sides of the front of the storage fixture when receiving vibrations due to an earthquake or the like. preferable. By doing so, the support portions are dispersed in the width direction of the storage fixture, so that the storage fixture can be stably supported.

[0007] In the fall prevention device for a storage fixture of the present invention, it is preferable that the opening is normally closed by at least a part of the support leg stored in the bottom of the storage fixture. By doing so, the opening is closed at the normal time, so that the appearance is improved and entry of dust and the like into the bottom can be prevented.

[0008] In the device for preventing the storage fixture from tipping over according to the present invention, it is preferable that one end of each of the support legs is pivotally mounted on at least the left and right ends of the front of the storage fixture bottom. In this way, when the load of the storage fixture is applied during the overhang, a part of the support leg is pressed by the upper portion of the peripheral edge of the opening, and it is difficult to be pushed back in the storage direction, so that the storage fixture can be supported.

[0009] In the storage fixture falling prevention apparatus of the present invention, it is preferable that each of the support legs is provided so as to be able to linearly protrude outward from at least the front surface of the storage fixture. By doing so, the support leg can be efficiently and accurately protruded to the desired overturn prevention position, so that the storage fixture can be reliably supported.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a cabinet 1 (storage fixture) to which the present invention is applied. 1 includes a main body 5 formed in a box shape having a front surface opened by two side plates 2, a top plate 3, a bottom plate, and a rear plate (both not shown), and the main body 5 placed on an upper portion.
And a horizontal frame 4 (bottom portion) in which a fall prevention device is internally provided.
7 are stored.

As shown in FIGS. 2 and 3, the horizontal frame 4 includes a bottom plate 6, left and right side plates 7, 7 ′, and a front plate 8 and a rear plate 9, which are respectively provided on the periphery of the bottom plate 6. Side plate 7,
7 ', a front plate 8, and a horizontal plate 10 continuously connected inward from the upper end of the rear plate 9. Further, a front plate 8 and a rear plate 9 constituting a part of the front and rear surfaces of the cabinet 1.
Are formed with openings 11 respectively.

Reference numeral 12 denotes a support leg as a fall prevention device. Each support leg 12
2 is urged in a direction indicated by an arrow in FIG. 2 by a coil spring 16 having both ends locked to a locking pin 14 protruding from the upper surface of the support leg 12 and a locking pin 15 protruding from the upper surface of the low plate 6. It is provided so that.

Further, each support leg 12 has an outer surface 12a facing the opening 11 in a normal state, that is, in a housed state, and is flush with the outer peripheral surfaces of the front plate 8 and the rear plate 9, so that the cabinet 1 As a part of the front and rear surfaces,
Locked by hook 17.

The hook 17 is supported by a support member 18 fixed on the low plate 6 so as to be rotatable around a shaft member 19 supported so as to face the longitudinal direction of the horizontal frame 4 and has one end. Are attached to a connecting bar 22 connected to a telescopic rod 21 of an electromagnetic solenoid 20. At the other end, a locking claw 25 that can be engaged with an engagement groove 24 formed on the upper surface of the support leg 12 is formed.

The hook 17 is normally held substantially horizontally as shown by a solid line in FIG.
As a result, the support leg 12 is locked at the storage position, and the telescopic rod 21 of the electromagnetic solenoid 20 is contracted to be rotated, whereby the engagement between the locking claw 25 and the engaging portion 24 is released. ing.

The electromagnetic solenoid 20 is electrically connected to a seismic device 23 mounted on the upper surface of the bottom plate 6, and when the seismic device 23 senses shaking due to an earthquake, the telescopic rod 21 of the electromagnetic solenoid 20 is turned on. It is contracted.

In the cabinet 1 configured as described above, the support leg 12 normally closes the entire opening 11 as shown by a solid line in FIG. 12 a is locked by a locking claw 25 of a hook 17 so as to constitute a part of the front and rear surfaces of the cabinet 1, and is housed in the horizontal frame 4. Therefore, the support leg 12 does not hinder the user or the like, and the opening 11 is closed, so that the appearance is improved and the entry of dust or the like into the overturn prevention device in the horizontal frame 4 is prevented. .

Here, when the seismic device 23 senses a predetermined magnitude of shaking due to the occurrence of an earthquake or the like, the telescopic rod 21 of the electromagnetic solenoid 20 is contracted, and the hook 17 is rotated about the shaft member 19. The engagement between each locking claw 25 and the engaging portion 24 is released. Then, the support leg 12 constantly biased in the direction of the arrow in FIG.
The cabinet 1 projects outward from the front and rear plates 8 and 9 of the cabinet 1 through the opening 11.

By extending the support legs 12 outwardly from the front and rear surfaces of the cabinet 1 as described above, the contact area with the floor surface of the cabinet 1 is increased to prevent the cabinet 1 from falling down. By supporting both ends of the front and rear surfaces, the load of the inclined cabinet 1 is dispersed and stabilized in the width direction, so that the cabinet 1 can be stably supported. In addition, since the support legs 12 protrude outward from at least the front surface of the cabinet 1 and are prevented from falling to the user side, safety for the user is improved.

Further, when the cabinet 1 tilts and a load is applied to the support legs 12 during the extension of the support legs 12, the cabinet 1 is pressed by the upper inner peripheral edge of the opening 11 and is difficult to be pushed back in the storage direction. Can be supported.

Further, in this embodiment, since the overturn prevention device is unitized in the horizontal frame 4 separate from the main body 5, it can be easily retrofitted to existing storage fixtures.

Next, FIG. 4 shows a second embodiment of the overturn prevention device. This embodiment is different from the above-described embodiment in that the support legs 31 are slidably housed in the housing 30 facing the front-rear direction of the cabinet 1 and are formed at the left and right ends of the front and rear plates 8 and 9. Is provided so as to be able to protrude in the front-rear direction via the opening 11 formed. Each of the support legs 31 is always urged forward through a spring 32, and is locked at the storage position by the hook 17.

In the overturning prevention device thus constructed, the support legs 31 are normally housed in the housing 30 of the horizontal frame 4 so that they do not obstruct the user, and are not affected by the earthquake. With the occurrence of the above, the support legs 31 are linearly projected to support the cabinet 1 and prevent the cabinet 1 from overturning. Therefore, the same operation and effect as those of the overturn prevention device of the above-described embodiment can be obtained.

In addition, as compared with a support leg which is extended by horizontal rotation or the like, it is possible to efficiently and accurately extend to a desired support position. In addition, the support leg 31 in the present embodiment also
It is preferable that the opening 11 be closed during storage.

Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and even if there are changes and additions without departing from the gist of the present invention. Included in the invention.

For example, the shape, length and the like of the support legs are arbitrary and can be variously modified. In addition, the method of urging and locking the support legs is arbitrary, and is not limited to the mechanism of the present embodiment.

In these embodiments, the support legs protrude from the front and rear surfaces of the cabinet 1, but may be provided so as to protrude outward only from the front surface.

[0028]

The present invention has the following effects.

(A) According to the first aspect of the present invention, the support leg is normally stored in the bottom of the storage fixture so that it does not obstruct the user or the like. In addition, if the storage fixture shakes due to an earthquake or the like, since the support legs protrude outward from at least the front of the storage fixture,
The storage fixtures are prevented from falling to the user side effectively, and the safety for the user is improved.

(B) According to the second aspect of the present invention, since the supporting portions are dispersed in the width direction of the storage fixture, the storage fixture can be stably supported.

(C) According to the third aspect of the present invention, since the opening is closed at the normal time, the appearance is improved, and the entry of dust and the like into the bottom can be prevented.

(D) According to the invention of claim 4, the load applied to the supporting leg shaft portion when supporting the storage fixture is dispersed.

(E) According to the fifth aspect of the present invention, since the support legs are efficiently and accurately protruded to the desired overturn prevention position, the storage fixture can be reliably supported.

[0034]

[Brief description of the drawings]

FIG. 1 is a perspective view of a cabinet to which a fall prevention device according to a first embodiment of the present invention is applied.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG. 2;

FIG. 4 is a sectional view showing a fall prevention device according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cabinet (storage fixture) 2 Side plate 3 Top plate 4 Horizontal frame (bottom part) 5 Main body 7, 7 'Side plate 8 Front plate 9 Rear plate 10 Horizontal plate 11 Opening 12, 31 Support leg 12a Outer side surface 13 Horizontal shaft 14, DESCRIPTION OF SYMBOLS 15 Locking pin 16 Coil spring 17 Hook 18 Support member 19 Shaft member 20 Electromagnetic solenoid 21 Telescopic bar 22 Connecting bar 23 Seismic device 24 Engaging part 25 Locking claw 30 Housing 32 Spring 57 Pull out

Claims (5)

[Claims] Claims: 1. When stored in a bottom part of a storage fixture, usually in the bottom part, and subjected to a vibration due to an earthquake or the like,
Through an opening formed at a predetermined location at the bottom of the storage fixture,
A fall prevention device for a storage fixture, comprising: a support leg projecting outward from at least a front surface of the storage fixture. 2. The storage fixture according to claim 1, wherein the support legs are provided so as to project outward from at least both left and right sides of the front of the storage fixture when receiving vibrations due to an earthquake or the like. apparatus. 3. The fall prevention device for a storage fixture according to claim 1, wherein the opening is normally closed by at least a part of a support leg stored in the storage fixture bottom. 4. The storage fixture according to claim 1, wherein one end of each of the support legs is pivotally mounted on at least the left and right ends of the front of the storage fixture bottom so as to be horizontally rotatable. Fall prevention device. 5. The fall prevention device for a storage fixture according to claim 1, wherein each of the support legs is provided so as to linearly protrude outward from at least a front surface of the storage fixture. .