JPH0824061A - Falling preventive device of articles placed on shelf plate at earthquake - Google Patents

Abstract

PURPOSE:To prevent jumping and falling of articles, to prevent stopper plates from falling down forward and to increase strength by freely slidably supporting these stopper plates at right and left turning vanes freely turnably forward and backward at the front end of a shelf plate and sliding the stopper plates downward by a specified amt. to press the rear surfaces at the bottom ends thereof to the front end face of the shelf plate. CONSTITUTION:The base ends of the turning vanes 2 are mounted freely turnably forward and backward by pivotal shafts 4 at stationary vanes 3 fixed at the right and left on the upper surfaces at the front end of the shelf plate 1. The stopper plates 5 are supported on guiding rails disposed at the opposite surfaces of the right and left turning vanes 2 by fitting sliding grooves 7 disposed at frame parts 5a on both right and left sides of the stopper plates 5 in such a manner that both right and left side edges are supported freely slidably along the longitudinal direction of the turning vanes 2. The rear surfaces at the bottom ends of the frame parts 5a on both right and left sides are pressed to the front end face of the shelf plate 1 by sliding the stopper plates 5 downward to the lower limit in the state of erecting these plates. The articles on the shelf plate l stop at the stopper plates 5 when the articles advance in the event of an earthquake. Since the stopper plates 5 are pressed to the front end face of the shelf plate 3, there is no possibility that the stopper plates 5 fall down.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing an article placed on a shelf plate from falling during an earthquake.

[0002]

2. Description of the Related Art Conventionally, fittings for preventing furniture from falling over during an earthquake have been used, but there is no device for reliably preventing the articles placed on a shelf plate from falling.

[0003]

Therefore, even if furniture such as cupboards, bookcases, and storage shelves can be prevented from falling over during an earthquake, for example, the articles placed on the shelves of these furniture due to the vibrations can be prevented. There was a danger that the glass would be broken by colliding with the glass surface of the furniture door, or it would jump out of the shelf and drop forward. The problem to be solved by the present invention is to prevent the fall of an article placed on a shelf during an earthquake to prevent an accident from occurring.

[0004]

An apparatus according to the present invention has solved the above-mentioned problems and is as follows. That is, the device according to the first invention is, as exemplified in FIGS.
Left and right rotary blades 2 and 11 attached to the front edge of the shelf board 1 so as to be rotatable back and forth so that both left and right edges of the stop plate 5 are slidable along the lengthwise direction of the rotary blades 2 and 11. The stopper plate 5 is supported, and the stopper plate 5 is slid downward by a fixed amount so that the rear surface of the lower end portion of the stopper plate 5 is brought into contact with the front end surface of the shelf plate 1. In addition, the above-mentioned “rotatable back and forth” means that it is possible to turn forward and backward. Next, as illustrated in FIGS. 8 and 9, the device according to the second invention is configured such that the lower end of the stop plate 5 is inserted into bearing holes 17 provided in the left and right bearing bodies 16 attached to the front edge of the shelf 1. A pivot 18 projecting from both left and right ends is supported, and a flat surface 18 ′ provided on the outer periphery of the pivot 18 is pressed by a pressing piece 21 urged by a spring 20 to hold the stop plate 5 in an upright state. It is characterized by having done. The form of the stop plate 5 may be, for example, a lattice shape, a frame shape, or the like, as long as the function described later can be exhibited, in addition to the plate shape shown in the drawings.

[0005]

In the apparatus according to the first invention, when the article placed on the shelf 1 advances due to the vibration during the earthquake, the article is moved to the stop plate 5.
It collides with and stops, and is prevented from falling from the shelf board 1. At this time, since the rear surface of the lower end portion of the stop plate 5 is in contact with the front end surface of the shelf plate 1, there is no danger that the stop plate 5 will fall forward due to the collision of the article, and the article is reliably prevented from falling. . In addition, the stopper plate 5 in the upright state is slid upward to raise the lower end thereof to a position above the upper surface of the shelf plate 1 and then lowered forward, so that articles can be placed on the shelf plate 1. The article can be unloaded from the board 1 without any trouble. Further, after the stopper plate 5 in the state of being tilted forward is rotated rearward to be upright, the stopper plate 5 is slid downward by a predetermined amount so that the lower rear surface thereof abuts against the front end surface of the shelf board 1. 5 is held upright.

In the device according to the second invention, similarly to the device according to the first invention, when the article placed on the shelf 1 advances due to the vibration during the earthquake, the article collides with the stop plate 5. To stop from falling off the shelf 1. A flat surface 18 'provided on the outer periphery of a pivot 18 projecting from the left and right ends of the lower end of the stop plate 5 is provided with a pressing piece 21 urged by a spring 20.
Since the stop plate 5 is held in an upright state by being pressed, the stop plate 5 does not easily fall forward. However, by slightly tilting the stop plate 5 forward with a certain force, the pivot 1
If the contact position of the pressing piece 21 with respect to the outer periphery of 8 is switched from the flat surface 18 'to the circular arc surface, the stop plate 5 can be easily tilted forward. Therefore, similarly to the device according to the first aspect of the present invention, by placing the stopper plate 5 forward, it is possible to place an article on the shelf 1 and to lower the article from the shelf 1 without any trouble.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 of the first invention is shown in FIGS.
It will be described based on. In the figure, reference numeral 1 denotes a shelf board which is used by being attached to a wall surface of a room by using an arbitrary shelf receiver or used as a furniture part such as a cupboard, a bookshelf and a cabinet, and a left and right rotating blades at its front edge. 2 is attached so that it can rotate back and forth. There can be various embodiments in which the left and right rotary wings 2 are attached to the front edge of the shelf 1 so as to be able to rotate back and forth, but in this embodiment, the left and right of the upper surface of the front end of the shelf 1 are screwed respectively. The base of the rotating wing 2 is attached to the fixed wing 3 so as to be pivotable back and forth with a pivot 4. In order to improve the operability of this device, the rear lower end 2a of the base portion of the rotary blade 2 is formed at a right angle so that the rotary blade 2 cannot rotate backward from the upright state.
By forming a hook-shaped notch edge 2b at the lower end on the front side of the rack, the hook-shaped notch edge 2b comes into contact with the front end surface of the shelf board 1 when the rotary blade 2 is rotated 90 degrees forward and rotates. The wings 2 are held horizontally.

Reference numeral 5 denotes a stop plate. A slide groove 7 longer than the guide rail 6 provided on the left and right frame portions 5a of the stop plate 5 is fitted into a guide rail 6 provided on the opposing surfaces of the left and right rotary wings 2. The left and right side edges are slidably supported by the left and right rotating wings 2 along the longitudinal direction of the rotating wings 2. Then, in a state where the stopper plate 5 is upright, the stopper plate 5 is slid downward by a predetermined amount, that is, to the lower limit of the slidable range, and the rear surface of the lower end portion (of the left and right frame portions 5 a) is brought into contact with the front end surface of the shelf plate 1. It is made to contact. It is possible to set the sliding amount of the stop plate 5 to a constant length by setting the guide rail 6 and the sliding groove 7 to have a predetermined length. If the slide amount of the stop plate 5 is set so that the rear end of the stop plate 5 is connected to the front end of the shelf plate 1 when the slide plate is slid to the upper limit and then horizontally tilted forward, operability is improved. It will be good.

Embodiment 2 of the first invention will be described with reference to FIGS. 4, 5 and 6. FIG. The present embodiment shows another embodiment in which the left and right side edges of the stop plate 5 are slidably supported by the left and right rotating blades 2 along the longitudinal direction of the rotating blades 2.
That is, the left and right ends of the stop plate 5 are fitted into the groove-shaped guide portions 8 that are integrally provided on the facing surfaces of the left and right rotary vanes 2, and the guide groove 9 formed in the inner bottom portion of the groove-shaped guide portions 8 is formed. By fitting the sliding rails 10 shorter than the guide grooves 9 provided on both left and right ends of the stop plate 5 to the left and right rotary wings 2 of the left and right edges of the stop plate 5, respectively.
The wing 2 is slidably supported along the longitudinal direction of the rotary wing 2. In this case, as in the first embodiment, the slide amount of the stop plate 5 can be set to a constant length by setting the lengths of the guide groove 9 and the sliding rail 10 to a predetermined length.

A third embodiment of the first invention will be described with reference to FIG. In the figure, reference numeral 11 denotes rotating wings on left and right hinges which are fixed to the front edge of the shelf 1 by screwing fixed wings 12 to the left and right of the upper surface of the front end portion of the shelf 1, In order to improve operability, the bearing cylinder 13 is formed so as to be able to rotate back and forth in a range from an upright state to a front horizontal state. Reference numeral 5 denotes a stop plate, which fits into a guide rail 14 provided on the front surface of the left and right rotating wings 11 with a sliding elongated hole 15 longer than the guide rail 14 provided on the left and right side frame portions 5b of the stop plate 5. Thus, the left and right side edges of the stop plate 5 are slidably supported by the left and right rotating blades 11 along the longitudinal direction of the rotating blades 11. The guide rail 14 has a flange 14 ′ on its head, and the flange 1 ′ is formed at the opening edge of the sliding long hole 15 to form the step portion 1.
When the guide rail 14 is hooked on the 5 ′,
It does not deviate from 5. Then, in a state where the stop plate 5 is upright, it is slid downward by a certain amount, that is, to the lower limit of the slidable range, and the rear surface of the lower end portion (of the left and right side frame portions 5b) becomes the front end surface of the shelf board 1. The contact is made.

An embodiment of the second invention will be described with reference to FIGS. In the drawing, reference numeral 16 denotes a bearing having a reverse groove shape in cross section, which is screwed to the left and right of the upper surface of the front end of the shelf 1, and the stopper plate 5 is provided in a bearing hole 17 provided at the front end protruding forward from the front end of the shelf 1.
A pivot 18 projecting from the left and right ends of the lower end of the shaft 20 is supported, and a flat surface 18 ′ provided on the outer periphery (upper surface) of the pivot 18 is fitted into a guide cylinder 19 provided on the bearing body 16.
The stop plate 5 is held in the upright state by being pressed by the pressing piece 21 urged by.

[0012]

As described above, according to the apparatus of the present invention, it is possible to prevent the articles placed on the shelves from falling during an earthquake. Therefore, the danger of the articles placed on the shelf board jumping forward and falling due to the vibration at the time of the earthquake is eliminated, which greatly contributes to the prevention of accidents at the time of the earthquake. In particular, in the device according to the first aspect of the invention, in the state where the stop plate is upright, the stop plate is slid downward by a certain amount so that the rear surface of the lower end portion of the device is brought into contact with the front end surface of the shelf plate. Since the stop plate was prevented from falling forward when it collided with the plate, the structure was simple and at the same time, the strength was extremely large, and the stop plate was tilted upright when it was in use and when it was not in use. It has various features such as easy operation for switching to the state.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of an apparatus according to the first invention.

FIG. 2 is a sectional view taken along line AA shown in FIG.

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

FIG. 4 is a perspective view showing a second embodiment of the device according to the first invention.

FIG. 5 is a sectional view taken along the line CC shown in FIG. 4;

FIG. 6 is a sectional view taken along line DD shown in FIG. 5;

FIG. 7 is a perspective view showing Embodiment 3 of the device according to the first invention.

FIG. 8 is a perspective view showing an embodiment of the device according to the second invention.

9 is a cross-sectional view taken along the line EE shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shelf plate 2, 11 Rotating blade 5 Stop plate 16 Bearing body 17 Bearing hole 18 Axis 18 'Plane 20 Spring 21 Pressing piece

Claims (2)

[Claims] 1. A left and right rotary blade attached to a front edge of a shelf board so as to be rotatable back and forth, and both left and right edges of a stop plate slidably supported along the length direction of the rotary blade. The stopper plate is placed upright on the shelf plate during an earthquake characterized by sliding the stopper plate downward by a certain amount so that the rear surface of the lower end portion of the stopper plate is brought into contact with the front end face of the shelf plate. Article fall prevention device. 2. A pivot provided on left and right ends of a lower end portion of a stop plate is supported by bearing holes provided in left and right bearings attached to a front edge of a shelf plate, and a flat surface provided on an outer periphery of the pivot is A fall prevention device for an article placed on a shelf plate during an earthquake, wherein the stopper is held upright by being pressed by a pressing piece biased by a spring.