JP3175594U - Fall prevention tool - Google Patents

Abstract

[PROBLEMS] To set the most stable state as a fall-preventing state so that the stored item does not always fall from the storage shelf, is opened when the stored item is taken in and out, and immediately drops when an earthquake occurs in the open state. To provide a fall prevention device that enters a prevention state.
A flange portion 3a of a slide 3 is guided by an L-shaped rail 2 composed of a horizontal rail portion 2a and a vertical rail portion 2b, and a stored item 6 is prevented from dropping by a connecting portion 3b of the slide 3. The case where the flange portion 3a of the slide 3 is positioned below the vertical rail portion 2b is set as a fall-preventing state, and the slide rail 3 is lifted and placed on the upper side of the L-shaped rail 2 only when the stored item 6 is put in and out. The flange portion 3a is temporarily placed on 2a to be in an open state.
[Selection] Figure 1

Description

  The present invention is a drop that prevents stored items from falling from steel racks, bookshelves, racks with boxes, cupboards, storage shelves with doors and cupboards (hereinafter simply referred to as “storage racks”) when an earthquake occurs. The present invention relates to a preventive tool, and more particularly to a fall preventive tool that can easily prevent the stored item from dropping, and allows the stored item to be taken in and out of the storage shelf easily.

As a device to prevent the items stored in the storage shelf from falling due to the vibration of the earthquake, the state in which the items can be taken in and out (hereinafter simply referred to as “open state”) is set to the normal state, There has been an invention that uses seismic force to prevent a stored item from falling (hereinafter simply referred to as a “fall prevention state”) (see, for example, Patent Documents 1 and 2). Also, there is a fall prevention device that stops a horizontal member at a locking portion installed at an upper portion so as to prevent the fall, and is opened when the horizontal member is moved downward (for example, Patent Document 3). reference.).
However, the invention using the seismic force at the beginning of the earthquake is an invention in which the weight is dropped or the locking part is released by a small shake, and therefore there is a problem that the function of preventing the fall cannot be exhibited when suddenly a large shake occurs. there were.
In addition, the invention in which the horizontal member is stopped at the locking portion installed at the upper part is considered to cause the horizontal member to move away from the locking portion due to the shaking of the earthquake, and the horizontal member moves downward due to gravity. There was a problem of being opened by the power of.
On the other hand, in the case of a storage shelf with a door, it has been configured so that the door does not open and close by attaching a latch conventionally, but if it shakes greatly, the latch will come off and the door will open, causing a strong earthquake In some cases, there was a problem that the fall prevention function could not be exhibited.

JP 2011-125464 A JP 2011-200478 A JP 2010-254407 A

The purpose of the present invention is to provide a fall prevention device that can prevent stored items from falling from a storage shelf even when a strong earthquake occurs, and can be easily opened when a stored item is taken in or out. It is to provide.
In particular, the most stable state that is automatically positioned by its own weight is the fall prevention state, and the fall prevention state is established only when the stored items are taken in and out. It is in providing tools.

  The slide is guided by an L-shaped rail composed of a horizontal rail portion and a vertical rail portion, and the fall of stored items is prevented by the slide. The case where the slide is located at the lower part of the vertical rail portion is set as a fall-prevented state, and the slide is lifted only when the stored items are taken in and out, and temporarily placed on the horizontal rail portion arranged at the upper portion of the L-shaped rail to be in the open state. .

Since the fall prevention tool is configured to be in the fall prevention state when the slide is located in the lower part of the gravity direction, it is possible to always keep the fall prevention state, and when the storage shelf suddenly receives a big shake due to a strong earthquake But things no longer fall from the storage shelf.
In addition, when removing and putting in storage, a person lifts the slide to make it open temporarily, and even in the open state, the slide is immediately dropped due to the shaking of the earthquake. The risk of falling objects has decreased, and the safety of people living and working near the storage shelf has increased.

It is a perspective view which shows the state which attached the fall prevention tool to the storage shelf. It is a top view sectional view in the state where the fall prevention tool was attached to the storage shelf. FIG. 3 is a KK view of FIG. 2.

It is assumed that the fall prevention device includes two L-shaped rails and a slide guided by the L-shaped rail. The L-shaped rail is composed of a horizontal rail and a vertical rail. The L-shaped rail is attached to the left and right of the storage shelf with the horizontal rail facing up and the vertical rail facing up and down.
And the fall attached to the storage shelf is prevented by the slide attached between the left and right L-shaped rails. Further, the state where the slide is placed on the horizontal rail portion is referred to as an open state, and the state where the slide is placed below the vertical rail is referred to as a fall prevention state.
As a member of the L-shaped rail, for example, a pipe material having a semicircular cross section formed by cutting a pipe material in half is used, and two parallel rows are arranged in parallel with the concave side of the semicircular cross section inside. A configuration is conceivable in which the flange portion is inserted between the grooves, and the flange portion is guided by the concave grooves having two rows of semicircular arc sections.
In addition, as a member of the L-shaped rail, for example, a member having a V-shaped cross section such as a mountain-shaped rope is used, and two flanges are arranged in parallel with the concave side of the V-shaped cross section facing inward. A configuration is also conceivable in which the flange portion is guided by two rows of V-shaped cross-sectional grooves.

On the other hand, the slide is a flange portion that is guided by an L-shaped rail, and includes two flange portions that are movably provided between the horizontal rail portion and the vertical rail portion, and a connecting portion that connects the two flange portions. It shall consist of
The flange part is easy to roll in the L-shaped rail. Even if an earthquake occurs in the open state where the flange is temporarily placed on the horizontal rail part, the flange rolls the horizontal rail by making it easy to roll. This is because the fall prevention device immediately falls into the fall prevention state by falling in the vertical rail. For this reason, the shape of the flange portion is preferably a polygon having five or more corners, and most preferably a circular flange portion.
If the storage items are almost the same size, or if you put small items in a box or bag and place them on a shelf, install a pipe between the two flanges and use this as the connection part. Since it becomes a fall prevention tool of a simple and lightweight structure, it is preferable. Moreover, what is necessary is just to set it as a surface-shaped connection part when a storage thing is small and a shape is various.

An anti-falling device having an L-shaped rail having a cross-sectional shape similar to that of a substantially lip channel steel, comprising a stop surface, two raised surfaces, two folded surfaces, and an open surface The flange portion is a polygon or a circle having five or more corners. The open surface is wider than the thickness of the connecting portion, and the opening is narrow enough to prevent the flange portion from coming out.
Furthermore, an opening larger than the circumscribed circle of the flange portion is provided at the junction of the horizontal rail portion and the vertical rail portion, and the flange portion can be inserted into and removed from the L-shaped rail (hereinafter simply referred to as “insertion / exit opening”). ).
When an opening larger than the circumscribed circle of the flange portion is provided at one place, the flange portion does not come out of the rail when the fall prevention device is attached to the storage shelf. Moreover, the junction part of a horizontal rail part and a vertical rail part is most suitable for providing an insertion opening.

A first embodiment of the present invention will be described below with reference to FIGS. The upper side of FIG. 1 shows the fall prevention device 1 in the fall prevention state, and the lower side shows the fall prevention device 1 in the open state.
The fall prevention tool 1 of Example 1 was composed of two L-shaped rails 2 and a slide 3. The L-shaped rail 2 has a horizontal rail portion 2a and a vertical rail portion 2b, and the horizontal rail portion 2a and the vertical rail portion 2b intersect each other at a right angle. The slide 3 has two flange portions 3a and a connecting portion 3b made of a pipe provided between the two flange portions 3a.
Both the horizontal rail portion 2a and the vertical rail portion 2b are substantially the same as the cross-sectional shape of the lip groove steel, which is composed of the stop surface 2c, the two rising surfaces 2f, the two folded surfaces 2e, and the open surface 2d. It had a cross-sectional shape. Moreover, the stopper surface 2g was each provided in the outer end part in the front-back direction outer side of the horizontal rail part 2a, and the lower end part in the up-down direction lower side of the vertical rail part 2b.

The open surface 2d is an opening having a width wider than the thickness of the connecting portion 3b and narrower than the outer diameter of the flange portion 3a. The flange portion 3a is guided by the L-shaped rail 2, and the horizontal rail portion 2a is longitudinally and longitudinally. It was set as the structure which the flange part 3a can move to the up-down direction of the rail part 2b.
Furthermore, an opening larger than the outer diameter of the flange portion 3a is provided by cutting out a part of the folded surface 2e at the junction of the horizontal rail portion 2a and the vertical rail portion 2b, and this opening is used as an insertion opening 2h. .
When attaching the fall prevention tool 1 to the storage shelf 5, as shown in FIG. 2A, the L-shaped rail 2 is provided with an attachment surface 4 and fixed to the front surface 5a of the storage shelf 5 using screws 4a. As shown in FIG. 2B, there is a configuration in which the retaining surface 2c of the L-shaped rail 2 is fixed to the inner side surface 5b of the storage shelf 5 using a countersunk screw 4b.
As long as the L-shaped rail 2 is not fixed to the storage shelf 5, the flange portion 3 a can be taken in and out of the L-shaped rail 2 from the insertion opening 2 h, and once the L-shaped rail 2 is fixed to the storage shelf 5 The flange portion 3a does not come out of the L-shaped rail 2.

Normally, the slide 3 of the fall prevention device 1 is located at the lower part of the vertical rail portion 2b and maintains the fall-prevented state, and is accommodated by the connecting portion 3b of the slide 3 when an earthquake occurs and the accommodation shelf 5 is shaken. The object 6 is prevented from falling from the storage shelf 5.
On the other hand, when the articles 6 are put in and out of the storage shelf 5, the slide 3 is lifted and the flange portion 3a is temporarily placed on the horizontal rail portion 2a to be in an open state. Even if an earthquake occurs when the fall prevention device 1 is in an open state, the flange portion 3a rolls on the horizontal rail 2a, the flange portion 3a falls to the lower portion of the vertical rail portion 2, and the fall prevention device 1 falls immediately. It becomes a prevention state.
As shown in FIG. 2C, when the fall prevention device 1 is attached to the storage shelf 5 having the door 5d that opens and closes around the butterfly 5c, even if the latch of the door 5d is removed, the door is moved by the slide 3. 5d can be prevented from opening.

  The present invention is used not only in industries that manufacture and sell furniture, but also in all industries such as offices and factories where storage shelves are installed.

DESCRIPTION OF SYMBOLS 1: Fall prevention tool 2: L-shaped rail 2a: Horizontal rail part 2b: Vertical rail part 2c: Stop surface 2d: Open surface 2e: Folding surface 2f: Standing upper surface 2g: Stopper surface 2h: Insertion opening 3: Slide 3a: Flange 3b: Connecting part 4: Mounting surface 4a: Screw 4b: Countersunk screw 5: Storage shelf 5a: Front 5b: Inner side 5c: Butterfly plate 5d: Door 6: Storage

Claims (3)

A fall prevention device comprising two L-shaped rails and a slide guided by the L-shaped rail, wherein the L-shaped rail is composed of a horizontal rail portion and a vertical rail portion, and the L-shaped rail is It shall be attached to the left and right of the storage shelf, respectively, and the slide provided between the left and right L-shaped rails shall prevent the storage items placed on the storage shelf from dropping.
The slide is a flange portion guided by the L-shaped rail, and is provided with two flange portions movably provided in the longitudinal direction of the horizontal rail and the vertical direction of the vertical rail, and the two flange portions. A fall prevention device comprising a connecting portion connecting between the two. The fall prevention device according to claim 1, wherein the L-shaped rail has a cross-sectional shape of a substantially lip channel steel comprising a stop surface, two rising surfaces, two folded surfaces, and an open surface. The flange portion has a similar cross-sectional shape, and the flange portion is a polygon or a circle having five or more corners,
The fall prevention tool, wherein the opening has a width wider than the thickness of the connecting portion and is narrow enough to prevent the flange portion from coming out.   3. The fall prevention device according to claim 2, wherein an opening larger than a circumscribed circle of the flange portion is provided at a joining portion of the horizontal rail portion and the vertical rail portion, and the flange portion with respect to the L-shaped rail. A fall prevention device characterized by having an opening (hereinafter simply referred to as an “insertion / extraction opening”) that can be inserted and removed.

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