JP4484623B2 - Article drop prevention device in storage shelf - Google Patents

Description

  The present invention relates to an article drop prevention device for a storage shelf such as a steel shelf.

2. Description of the Related Art Conventionally, there is a storage shelf provided with a drop-off preventing member for preventing an article placed on a shelf board from falling forward on the front surface of the storage shelf. As this type of article drop prevention device, there is one in which a bar-like drop prevention rod is attached to the front surface of a column of a storage shelf (see, for example, Patent Document 1). That is, a receiving tool is attached to each of the front surfaces of a pair of left and right columns, and both ends of the drop-off preventing hook are locked to the receiving tool.
No. 2-4603

  However, in the conventional article drop prevention device, the height of the drop prevention ridge is constant, so if the article is lower than the height of the drop prevention ridge, there is a possibility that it will fall under the drop prevention ridge and fall off. If the article is too taller than the prevention basket, there is a risk that the article will fall over the fall prevention basket, and there is a problem that both cannot fully fulfill the role of preventing the removal.

  In view of the above-mentioned problems of the conventional technology, the present invention can easily change the height of the drop-off prevention ridge according to the height of the article to be placed, and has a simple structure. An object of the present invention is to provide an article drop prevention device for a storage shelf that can be easily attached to an existing storage shelf.

According to the present invention, the above problem is solved as follows.
(1) A pair of left and right catches provided on a pair of left and right struts on the front of the storage shelf and the left and right ends are locked to the catches so that they are positioned above the front of the shelf. In the article drop prevention device for a storage shelf provided with a drop prevention hook for preventing the article on the shelf from falling forward, the drop prevention hook is a horizontal face facing in the left-right direction, and both ends of the side stick. A pair of left and right pivots that are parallel to the recumbent and spaced apart by an equal distance in the same direction, and a left and right pair of reeds that connect the recumbent and each swivel; A stopper holds each pivotal support of the drop-off prevention rod so that it can rotate about its axis and move up and down, and each of the horizontal shafts of the drop-off prevention rod above and below the guide portion. An upper part and a lower receiving part capable of selectively locking the side end part are provided.

(2) In the above item (1), the drop prevention rod is connected to the lower limit position where the pivot is engaged with the lower end of the guide portion, the vertical shaft is suspended therefrom, and the recumbent is located at the lower limit; An intermediate position where the recumbent is locked to the lower receiving part and the pivot is positioned above the lower end of the guide part, and the recumbent is locked to the upper receiving part, and the pivot is located below the recumbent The height can be adjusted in at least three stages with a high position located at an arbitrary height in the guide portion.

(3) In the above item (1) or (2), the guide portion has a U-shape in a rear view, and each pivot support rod of the fall prevention rod is placed between the guide portion and the front surface of the column. It is fitted so that it can rotate around the axis and move vertically.

(4) In any one of the above items (1) to (3), the guide portion and the upper and lower receiving portions in each receiving tool are connected to each other by a base piece facing in the vertical direction along the side surface of the column.

(5) In the above item (4), locking claws directed to the side are provided on the upper and lower portions of the rear end of the base piece, and each locking claw is locked in an engagement hole provided on the side surface of the support column.

(6) In any one of the above items (1) to (5), the anti-dropping rod is bent at both ends of the horizontal rod, and the tip of the vertical rod is bent inward to pivot. In this configuration, the vertical rod is positioned outward of the receiving member, and the pivot support is fitted to the guide portion from the outside.

(7) In any one of the above items (1) to (5), the drop-off prevention rod is fixed to the vertical rod in the vicinity of both ends of the horizontal rod, and the tip of the vertical rod is bent outward to pivot. The vertical rod is positioned inward of the receiving member, and the pivot support is fitted into the guide portion from the inside.

According to the present invention, the following effects can be achieved.
(a) According to the first aspect of the present invention, the drop-off prevention hook is turned upside down around its pivotal support, and the recumbent is selectively locked to the upper and lower receiving parts, thereby The height can be easily changed in multiple steps up and down with a large difference in height, and by changing the height according to the height of the article placed on the shelf, etc., the article can be prevented from falling off. It can be reliably prevented from falling off under the fence or overcoming the drop prevention fence.
In addition, the vertical dimension of the drop-off prevention rod and the receiving tool can be remarkably reduced with respect to the range in which the height of the horizontal rod can be changed, and the entire apparatus can be downsized and the structure can be simplified.

(b) According to the second aspect of the present invention, it is only necessary to provide the receiving device with two upper and lower receiving portions. The height can be adjusted in stages, the number of receiving parts can be reduced, the structure can be simplified, and for example, when the recumbent recumbent reed is positioned at the lower limit position, If it is made to correspond with the front surface of a board, the article | item on a shelf board can be taken in and out freely without being disturbed by the drop-off prevention hook in this state, and this state can be made into an open state.

(c) According to the invention described in claim 3, the structure of the receiving device can be simplified.

(d) According to the invention described in claim 4, since the base piece is disposed along the side surface of the support column and is not exposed on the front surface of the support column, the appearance is good.

(e) According to the invention described in claim 5, the receiving device can be easily attached to the support column without using screwing or the like.

(f) According to the invention described in claim 6, since the vertical gutter is located outside the receiving member and does not protrude to the inside of the storage shelf, the drop-off prevention gutter prevents the article from being taken in and out. It will never be.

(g) According to the invention described in claim 7, since the vertical gutter is located inside the catch, even if there is an obstacle on the outside of the storage shelf, the rotation of the vertical gutter is prevented by that. The downside can rotate freely.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows an example of a storage shelf provided with an article drop prevention device according to the first embodiment of the present invention, and is an exploded perspective view of the article drop prevention device and the right side portion of the storage shelf.

  The left and right support columns (1) at the front of the storage shelf (the rear ones are omitted) are rearwardly U-shaped in plan view and are located in the center of the inwardly facing side piece (1a) facing the left and right direction. A large number of slit-like engagement holes (2) are arranged at equal intervals in the vertical direction.

  (3) is a pair of left and right vertical shelf brackets (3) that support the shelf (4), and the upper and lower edges of the bracket (3) are vertically folded at the top and bottom. Downward hook-like locking claws (5) are formed at equal intervals. An inward support piece (6) for receiving and supporting a side end portion of the shelf board (4) is connected to the lower end edge of the shelf board bracket (3) over the entire length.

A slightly rearward L-shaped locking piece 7 in a plan view that is cut inward is provided at the lower end of the front and rear of the shelf bracket (3) slightly inward (the rear one is not shown). ing.
The shelf bracket (3) has its front and rear locking claws (5) engaged with the engagement holes (2) of the side pieces (1a) of the front and rear support columns (1) every other piece. It is attached between the inner surfaces of the front and rear support columns (1).

  A substantially rectangular tubular reinforcing piece (8) is formed at the front and rear end portions of the shelf board (4) by bending at a right angle sequentially from the lower side to the rear side and the upper side. Further, downward bent pieces (9) are integrally formed at the left and right side ends of the shelf board (4). A notch (10) through which a lower engaging piece (23) of a receiving member (12) to be described later can be inserted is formed at the front portions of the left and right ends of the shelf board (4).

The dropout prevention device (11) includes a pair of left and right receiving tools (12) and a dropout prevention rod (13).
Each catch (12) includes an upper contact base piece (14) and a lower contact base piece (15) that contact the inner surface of the support post (1), and the upper contact base piece (14) and the lower contact piece. A guide portion (16) that is formed between the contact piece (15) and that has an upper and lower end abuts against the front surface of the support column (1) and has a U-shape in a rear view when viewed from the side. And. A lower hooked upper locking claw (below at the lower rear end of the upper abutment base piece (14)) is bent at a right angle outwardly and can be engaged with the engagement hole (2) of the support column (1). 17) (see FIG. 2) is integrally formed. At the upper end of the guide portion (16) connected to the upper end of the upper abutting base piece (14), an upper receiving portion (18) protruding in the L shape in a side view and protruding forward is formed. Further, an intermediate receiving portion (19) is formed by a portion bent forward at the lower end portion of the guide portion (16).

  The upper rear end of the lower abutment base piece (15) is bent at a right angle to the outside and can be engaged with the engagement hole (2) of the support column (1) like the upper locking claw (17). A downward hook-like locking claw (20) is integrally formed (see FIG. 2). A lower receiving part (21) having an L-shape in side view is connected to the front edge of the upper part of the lower abutting base piece (15) so as to be positioned directly below the guide part (16).

  A front abutting piece (22) is formed at the front edge of the lower end portion of the lower abutting base piece (15) so as to be bent at a right angle toward the outside and to abut against the front surface of the column (1). A lower end engaging piece (23) having a stopper piece (23a) extending rearward and bent inward at the rear end is integrally formed on the lower inner edge of the front abutting piece (22). Is formed.

  As shown in FIGS. 2 to 4, the drop-off prevention hook (13) has a length that can be received by the upper receiving part (18) or the lower receiving part (21) of the left and right receiving parts (12). The horizontal reed (13a) facing right and left, a pair of left and right vertical reeds (13b) bent at right angles in the same direction from both ends, and inwardly directed to the end of each reed (13b) It consists of a pair of left and right pivots (13c) bent at right angles, and the left and right pivots (13c) can move up and down between the front of the support column (1) and the guide part (16). And it is fitted so that it can rotate freely.

  To attach the drop-off prevention device (11) to the storage shelf, firstly engage the shelf bracket (3) and the engaging claws (5) at the front and rear ends thereof with the engaging holes (2) of the front and rear columns (1). After installation, insert the left and right pivot rods (13c) of the drop prevention rod (13) inside the guides (16) of the left and right catches (12), and move the drop prevention rod (13) downward. The upper contact base piece (14) and the lower contact base piece (15) of the catcher (12) are brought into contact with the inner side surface of the support column (1) in a state of being hung down (see FIG. 2), and At the same time, the upper and lower latching claws (17) and (20) are engaged with the latching claws (5) of the shelf bracket (3) among the many engagement holes (2) of the support column (1). It engages with the two engaging holes (2) except the one. As a result, the left and right catches (12) and the drop-off prevention rod (13) are supported by the pair of left and right columns (1).

  Next, the inwardly supporting pieces (6) in the left and right shelf brackets (3) are attached to the lower surfaces of the side end portions of the shelf boards (4), and the downward bent pieces (9) are arranged in the front and rear sides of the shelf brackets (3). It is placed while being fitted to the locking piece (7) from above, and the lower end of the receiving device (12) attached to the notch (10) at the front end of the side end of the shelf board (4). Fit the piece (23).

  Thereby, the attachment of the drop-off prevention device (11) is completed, and after the attachment, the upper and lower locking claws (17) and (20) of the catching device (12) are connected to the engagement holes (2) of the support column (1). The stopper piece (23a) of the lower end engaging piece (23) is prevented from moving back and forth, left and right, and downward, and the rear face of the reinforcing piece (8) of the shelf board (4) and the shelf. It is sandwiched from the front and rear by the front end of the locking piece (7) of the plate bracket (3), and from above and below by the lower surface of the shelf plate (4) and the inward support piece (6) of the shelf bracket (3). The movement in the front-rear direction and the up-down direction is restricted by being sandwiched.

Next, with reference to FIGS. 2-4, the effect | action of a drop-off prevention apparatus is demonstrated.
FIG. 2 shows an open state in which the drop-off prevention rod (13) is located at the lower limit position.
In this state, the pivot support (13c) of the drop prevention hook (13) is received by the intermediate receiving part (19) at the lower end of the guide part (16), from which the left and right vertical hooks (13b) hang down, The reed (13a) is located within the vertical width of the front surface of the shelf (4). Therefore, in this state, the articles on the shelf board (4) can be freely put in and out without being obstructed by the drop-off prevention basket (13).

From the open state of FIG. 2, the side support (13a) is lifted forward and upward while sliding the pivot support (13c) of the drop-off prevention cover (13) upward along the guide part (16). When the end portions are locked to the left and right lower receiving portions (21), the drop-off prevention rod (13) is held at the intermediate position shown in FIG.
In this state, the horizontal bar (13a) is held at a position slightly higher than the upper surface of the shelf board (4), so that a small article placed on the shelf board (4) is removed from the shelf board (4). It can be reliably prevented from falling forward.

From the intermediate position shown in FIG. 3, after slightly lifting the recumbent rod (13a), it moves forward and upward, and the fall prevention rod (13) is turned upside down around the pivot (13c). When 13a) is slightly lowered and its both end portions are locked to the left and right upper receiving portions (18), the drop-off prevention rod (13) is held at the high position shown in FIG.
In this state, the horizontal bar (13a) is held at a position higher than the upper surface of the shelf board (4), so that a high-sized article placed on the shelf board (4) is in front of the shelf board (4). It can be surely prevented from falling off.

FIG. 5 shows a second embodiment of the present invention in which the shape of the drop-off prevention ridge (13) is changed. Note that the same or similar members as those in the first embodiment are denoted by the same reference numerals and illustrated, and detailed description thereof is omitted.
In this example, the drop-off prevention hook (13) has a vertical hook (13b) fixed to a part slightly inward of both ends of the horizontal hook (13a) facing in the left-right direction, and the tip of the vertical hook (13b) is removed. The pivot support (13c) is formed by bending it at a right angle to the direction, the left and right vertical supports (13b) are positioned inward of the catch (12), and the pivot support (13c) is the guide part. (16) is fitted from the inside.

  With such a configuration, the vertical gutter (13b) is positioned inward of the catch (12), so that even if there is an obstacle outside the storage shelf, the vertical gutter (13b) is rotated. There is no hindrance and the vertical rod (13b) can rotate freely.

  As described above, the article drop prevention device according to the above embodiment can easily change the height of the horizontal bar (13a) of the drop prevention bar (13) into three stages of a high position, an intermediate position, and a lower limit position. Therefore, depending on the height of the article to be placed, by changing the height of the recumbent ridge (13a) of the drop-off prevention ridge (13), the article will pass under the recumbent (13a) and fall off. On the contrary, it is possible to reliably prevent the vehicle from falling over the reed (13a).

  In the above embodiment, the height of the drop-off prevention ridge (13) can be changed in three stages. However, by providing the receiving portions (18) and (21) in a plurality of stages in the vertical direction, the drop-off prevention ridge (13) Can be changed in four or more stages.

It is a disassembled perspective view of the right side part of a storage shelf provided with the 1st Embodiment of this invention. Similarly, it is a front view when the dropout prevention rod is set to the lower limit position. Similarly, it is a front view of only the drop-off prevention device when the drop-off prevention bar is at the intermediate position. Similarly, it is a front view of only the drop-off prevention device when the drop-off prevention bar is in a high position. It is a front view of the 2nd Embodiment of this invention.

Explanation of symbols

(1) Prop
(1a) Side piece
(2) Engagement hole
(3) Shelf bracket
(4) Shelf board
(5) Locking claw
(6) Inward support piece
(7) Locking piece
(8) Reinforcing piece
(9) Downward bent piece
(10) Notch
(11) Drop-off prevention device
(12) Stopper
(13) Fall-off prevention rod
(13a) Yokohama
(13b) Downspout
(13c) Cardinal
(14) Upper contact piece
(15) Lower contact base piece
(16) Guide section
(17) Upper locking claw
(18) Upper receiving part
(19) Intermediate receiving part
(20) Locking claw
(21) Lower receiving part
(22) Front contact piece
(23) Lower end engagement piece
(23a) Stopper piece

Claims (7)

A pair of left and right receiving devices provided on a pair of left and right support columns on the front surface of the storage shelf, and the left and right end portions are engaged with the receiving device, so that the shelf plate is positioned above the front of the shelf plate. In the article drop prevention device in the storage shelf provided with a drop prevention hook for preventing the upper article from falling forward,
The drop-off prevention rod is a horizontal rod facing in the left-right direction, a pair of left and right pivots parallel to the horizontal beam, and spaced apart at equal distances from both ends of the horizontal beam in the same direction; A pair of left and right vertical shafts connecting each pivot support, and the receiving device holds each pivot support of the drop-off prevention rod so as to be rotatable about its axis and movable up and down. And a lower receiving portion that can selectively lock each side end portion of the horizontal surface of the drop-off prevention ridge above and below the guide portion. Equipment dropout prevention device.   The drop-off prevention hook is engaged with the lower end of the guide portion and the vertical shaft hangs down from the lower limit position where the recumbent is located at the lower limit, and the recumbent is engaged with the lower receiving portion. And the intermediate position where the pivotal support is located above the lower end of the guide part, and the horizontal anchor is locked to the upper receiving part, and the pivotal support is positioned at an arbitrary height in the guide part below the lateral anchor. The apparatus according to claim 1, wherein the height can be adjusted in at least three stages with respect to a high position.   The guide part has a U-shape that is backward-looking in side view, and the pivot support rods of the drop-off prevention rod are fitted between the guide portion and the front surface of the column so as to be rotatable about its axis and vertically movable. The article drop prevention device for a storage shelf according to claim 1 or 2.   The article in the storage shelf according to any one of claims 1 to 3, wherein the guide portion and the upper and lower receiving portions in each stopper are connected by a base piece facing in a vertical direction along a side surface of the support column. Fall-off prevention device.   5. A storage shelf according to claim 4, wherein a locking claw directed to the side is provided on the upper and lower parts of the rear end of the base piece, and each locking claw is locked in an engagement hole provided on a side surface of the support column. Equipment dropout prevention device.   A fall prevention hook is formed by bending a vertical hook at both ends of the horizontal hook and bending the tip of the vertical hook inward to form a pivotal support. The vertical hook is placed outward of the catch. The article drop prevention device for a storage shelf according to any one of claims 1 to 5, wherein the apparatus is positioned and the pivot support is fitted to the guide portion from the outside. The drop-off prevention rod has a structure in which a vertical rod is fixed in the vicinity of both ends of the horizontal rod, and the tip of the vertical rod is bent outward to form a pivotal support, and the vertical rod is placed inward of the receiving device. The article drop prevention device for a storage shelf according to any one of claims 1 to 5, wherein the article is positioned and fitted to the guide portion from the inside.

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