JP6426389B2 - Article fall prevention device - Google Patents

Description

  The present invention relates to an article drop prevention device disposed at an entrance of a rack.

  An article drop prevention device for a rack, as disclosed in Patent Document 1, is a storage shelf including a shelf on which articles are placed and an opening for taking in and out articles, and the upper and lower sides prevent articles from falling from the opening. A long fall prevention frame, a support member which supports the fall prevention frame so as to be movable to the left and right between an operating position facing the opening and an inactive position opening the opening And a holding member for holding the side end, wherein the holding member is provided with a laterally open recess in which the fall prevention frame is fitted and a lock member for closing the fall prevention frame in the recess, and the support member is dropped The cord which suspends the prevention frame is used (Claim 3).

Patent No. 4746900

The prior art fall prevention frame is formed of a single steel pipe and is configured to be suspended and moved by a cord, so the structure is simple but the strength is low, and the opening is Since it is difficult to move the cable laterally to the action position facing the cable, and the cable is connected to the ceiling at one end, construction is also difficult.
In the prior art, there is also a technology for connecting the fall prevention frame to the upper and lower carriages and moving it left and right. However, if it is a structure to move it left and right, the fall prevention frame must be formed of a single steel pipe. It is difficult to block the opening in a wide range.

An object of the present invention is to provide an article drop prevention device capable of solving the problems of the prior art.
The present invention provides an article drop prevention device capable of forming the fall prevention frame into a rotary opening and closing structure and rigidly by pivoting the fall prevention frame to the support of the rack via a pivoting tool, and also of easy construction. The purpose is to

Specific means for solving the problems in the present invention are as follows.
First, an article drop prevention device disposed at an entrance Ra of a rack R in which a plurality of shelves 3 are attached between columns 2,
A fall prevention frame 7 which is formed in a frame shape by the left and right vertical weir 5 and the upper and lower horizontal weir 6 connecting it and which freely closes the entrance Ra of the rack R, and the base side of this fall prevention frame 7 A pair of upper and lower pivot supports 8 pivotally supported on the support 2 and a connector 9 for connecting the free end side of the fall prevention frame 7 to the rack 3 of the rack R,
The upper and lower pivot supports 8 are a mounting member 11 mounted on the column 2, a base 12 formed of a square pipe penetrating in the vertical direction and fixed to the mounting member 11, and the base 12 It is characterized in that it has a hinge 13 for connecting the fall prevention frame 7 and a fastener 14 for attaching the upper and lower portions of the mounting material 11 on the upper and lower sides of the base body 12 to the support 2.

Second, the fall prevention frame 7 has an auxiliary vertical weir 16 connecting the upper and lower horizontal weirs 6 between the left and right vertical weirs 5 and / or an auxiliary horizontal weir connecting the left and right vertical weir 5 between the upper and lower horizontal weirs 6 It is characterized by having a weir 17.
Thirdly, the connecting member 9 is supported by the hooking member 20 attached to the front surface of the shelf 3 of the rack R and the vertical weir 5 of the fall preventing frame 7, and the hooking is performed by moving up and down or turning. An abutment portion 20a having a locking member 20 and a locking member 21 engaged and disengageably engaged, wherein the locking member 20 abuts against the fall prevention frame 7 when the fall prevention frame 7 is in the entrance / closing position. Are formed.

Fourth, the fall prevention frame 7 is characterized in that a fall prevention net 23 for closing the space between the left and right vertical weirs 5 is detachably provided.
Fifth, the fall prevention frame 7 is characterized in that an additional vertical weir 24 is detachably provided on the upper part of the vertical weir 5.
Sixth, on the base 12 of each of the upper and lower pivot supports 8, on the opposite side to the surface on which the hinge 13 is fixed, the port Ra of the rack R on the opposite side with the column 2 as a border is openably closed It is characterized in that a hinge 13 for pivotally supporting the prevention frame 7 is provided.

According to the present invention, the fall prevention frame can be made into a rotary opening and closing structure and can be firmly configured, and the construction can be facilitated.
That is, according to the first aspect of the present invention, the fall prevention frame 7 for closing the entrance Ra of the rack R in an openable / closable manner is pivotally supported by the upper and lower pivot supports 8 on the support 2 and the pivot support 8 is attached to the attachment 11. and formed by a square tube material base body 12, a hinge 13, since the upper and lower portions of the mounting member 11 of the upper and lower outer side of Taytay 12 is constituted by a fastener 14 attached to the tower 2, the fall prevention frame 7 A rectangular frame can be firmly constructed by the left and right longitudinal ridges 5 and the upper and lower lateral ridges 6 connecting them, the fall prevention frame 7 can be easily pivoted and opened by the pivot support 8, and the pivot support 8 can be simply configured. Thus, it can be easily attached to the column 2, and the construction becomes easy.

In the invention according to claim 2, the fall prevention frame 7 has the auxiliary vertical weir 16 connecting the upper and lower horizontal weir 6 between the left and right vertical weir 5 and / or connects the left and right vertical weir 5 between the upper and lower horizontal weir 6 Since the auxiliary horizontal weir 17 is provided, the fall prevention frame 7 can be configured more firmly, and articles of small items can also be prevented from falling.
In the invention according to claim 3, the contact portion 20a is formed on the connector 9. Therefore, when the fall prevention frame 7 is in the closing position, the fall prevention frame 7 can be stopped at an appropriate position. The engagement between the lock member 20 and the lock member 21 can also be ensured.

In the invention according to the fourth aspect, since the fall prevention net 23 for closing the space between the left and right vertical weirs 5 is detachably provided on the fall prevention frame 7, it is possible to prevent an article of a small item from falling.
In the invention according to claim 5, since the additional vertical weir 24 is detachably provided on the upper side of the vertical weir 5 in the anti-falling frame 7, it is possible to prevent the falling of the article on the shelf 3 above the anti-fall frame 7. .
In the invention according to claim 6, since the hinge 12 is provided on the base 12 on the side opposite to the side to which the hinge 13 is fixed and on the left and right side, the entrance Ra of the rack R on the opposite side can be opened and closed The anti-falling frame 7 can be pivotally supported, and the pivotal support 8 can be used in combination.

It is a whole front view showing an embodiment of the present invention. FIG. It is a front view of an article fall prevention device. It is a side view of an article fall prevention device. It is a top view of an article fall prevention device. It is an enlarged front view of a pivot support. It is an enlarged side view of a pivot support. It is XX sectional drawing of FIG. It is a top view which shows the upper part of a coupler. It is a cross-sectional top view which shows the handle of a coupler. It is a top view which shows the lower part of a coupler. It is a front view which shows the other example of an article fall prevention frame.

Hereinafter, embodiments of the present invention will be described based on the drawings.
In FIGS. 1 to 12, the article drop prevention device 1 is attached to the support 2 of the rack R.
The rack R has a plurality of columns 2 erected, and the shelf members 3 are attached to a plurality of stages, such as lower, middle and upper stages, and the shelf members 3 of each stage are between the columns 2 of the rack R The article drop prevention device 1 is rotatably disposed at the entrance Ra to prevent the articles from falling from the entrance Ra at the time of an earthquake.

When the rack R forms a wide entrance / exit Ra between the two columns 2, the article drop prevention device 1 is mounted on each of the left and right columns 2 in a symmetrical manner, and the left and right drop prevention frame 7 is opened and closed in an open manner. In FIG. 1, two types in which the upper structure of the fall prevention frame 7 differs are illustrated as the article fall prevention device 1A and the article fall prevention device 1B.
When there are three or more support columns 2 in the rack R, two article drop prevention devices 1A are mounted on the middle support column 2 in a symmetrical manner back-to-back.

The article drop prevention device 1 (1A, 1B) roughly includes a drop prevention frame 7 (7A, 7B), a pair of upper and lower pivots 8, and a connector 9.
The fall prevention frame 7 is formed in a square frame shape by a pair of left and right vertical weirs 5 made of a square pipe material (square pipe) and a pair of upper and lower horizontal weirs 6 connecting the upper and lower ends of the left and right vertical weirs 5. The vertical weir 5 and the weir 6 are both square pipes and are welded. The upper and lower lateral ridges 6 are located above the upper and lower shelves 3, respectively.

In the fall prevention frame 7A of the article fall prevention device 1A, the vertical weir 5 (on the free end side) from the center in the left-right direction of the entrance Ra is formed longer above the vertical weir 5 near the support 2 It is made to be able to control the fall of goods more certainly on the central side of Ra. However, one additional vertical weir 24 may be inserted in and removed from the upper part of the vertical weir 5 on the base side.
The drop prevention frame 7B of the article drop prevention device 1B is provided with two additional vertical bars 24 connected to each other in the upper portions of the two vertical bars 5 so as to be insertable and removable.

The said fall prevention frame 7 (7A, 7B) is provided with the auxiliary vertical weir 16 which connects the upper and lower horizontal weir 6 in the middle position between the left and right vertical weir 5. In addition to or instead of the auxiliary vertical weir 16, an auxiliary horizontal weir 17 may be provided between the upper and lower horizontal weirs 6 to connect the left and right vertical weir 5 as shown by imaginary lines in FIGS.
Since each of the left and right vertical weirs 5 is made of a square pipe, the additional vertical weir 24 can be easily attached to and detached from the upper part of each vertical weir 5. When the fall of the article on the material 3 is prevented, the fall on the article on the shelf 3 in the upper stage can be prevented by the additional vertical weir 24. A fall prevention net may be attached between the additional vertical weft 24 on either side.

Hooks 30 are provided at a plurality of upper and lower positions on the left and right vertical weirs, and a drop prevention net 23 is detachably provided via the hooks 30. The fall prevention net 23 closes the space between the left and right vertical weirs 5 and can prevent the article from falling from the entrance Ra even if it is a small item.
In FIGS. 1 to 8, the pair of upper and lower pivot supports 8 pivotally supports the base side (pivot support side) of the fall prevention frame 7 on the support 2 of the rack R.

The upper and lower pivot supports 8 are formed of a mounting member 11 mounted on the column 2, a base 12 formed of a square pipe penetrating in the vertical direction and fixed to the mounting member 11, and the base 12 and the base 12 It has a hinge 13 connecting the prevention frame 7 and a fastener 14 for attaching the mounting material 11 to the support 2 at the upper and lower sides of the base 12.
The mounting member 11 is formed of a flat plate, and the base 12 is formed of a square pipe similar to the vertical weir 5. The square pipe is cut into small pieces, holes vertically penetrate, and walls in the longitudinal and lateral directions It welds to the upper and lower centers of the attachment material 11 in the attitude which has.

Since the base body 12 is positioned at the upper and lower center of the mounting member 11, bolt holes 11a for inserting the bolts of the fasteners 14 can be formed in the upper and lower portions of the mounting member 11 at the upper and lower sides of the base body 12. It can be mounted on the support 2 without being disturbed by the base 12. Therefore, the installation construction of the fall prevention frame 7 with respect to the support | pillar 2 is easy and easy.
The hinge 13 is a flat hinge, and may be a French hinge. One of the pieces is welded (or bolted) to the longitudinal weir 5 of the fall prevention frame 7, and the other piece is a bolt 31 on the outer surface of one of the left and right side walls of the base 12. It is fixed (or welded) through.

The base body 12 can attach the hinge 13 also to the outer surface of the side to which the surface to which the hinge 13 was fixed and the left-right opposite side was shown as an imaginary line in FIG. As a result, when the two article drop prevention devices 1A are mounted symmetrically on the back support 2 of the rack R in the back-to-back manner, the mounting material 11 of the pivot support 8 and the base 12 can both be used.
In FIGS. 1 to 5 and 9 to 11, the connector 9 is supported by the hook members 20 (20 U, 20 D) attached to the front of the upper and lower shelves 3 of the rack R and the longitudinal bar 5 of the fall prevention frame 7. And a locking member 21. The hooking member 20D is a hooking plate 3 attached to the mounting plate 33 attached to the front of the shelf 3.
4 is welded in a side view T-shape.

As shown in FIG. 9, the hooking member 34 has a square shape in plan view, and the hooking member 34 is formed with a hooking hole 35, and the outer surface is an abutting portion 20a with which the vertical weir 5 of the fall prevention frame 7 abuts. It has become.
As shown in FIG. 11, the hooking plate 34 has an L-shape in plan view, and the hooking hole 36 is formed in the part that largely protrudes. Abutment part 20a which abuts is formed.

The lock member 21 is formed of a vertically long rod along the vertical weir 5 and supported vertically and movably by a plurality of guide members 38 provided on the vertical weir 5 and the lower end 21a is straight. On the other hand, a hooking hook 21b is formed at the upper end, and a handle 39 is attached at the lower part.
The lower end 21a of the lock member 21 is positioned directly above the hooking hole 36 of the hooking member 20D in a state where the fall prevention frame 7 is in the closing posture and the vertical rod 5 is in contact with the upper and lower abutment portions 20a. The downward claw of the hook 21b is positioned directly above the hook hole 35 of the hook member 20U, and when the lock member 21 is lowered from this state, the lower end 21a is hooked with the hook hole 36 and the hook hook 21b is hooked Engage with the stop hole 35.

When the lock member 21 is raised by holding the handle 39 from the engagement state, the lower end 21a and the engagement hook 21b are released from engagement, and when the lock member 21 is turned by holding the handle 39 from the released state, As shown in FIGS. 9 and 10, the engagement hook 21b is disengaged from the engagement hole 35, and the handle 39 can be placed on the reception member 40 provided on the vertical weir 5.
The receiving member 40 is formed by welding a round bar to the longitudinal rod 5, and serves to receive the handle 39 in the raised position and to hold the lock member 21 in the connection release position.

  Therefore, when the drop prevention frame 7 is closed in the entrance / exit Ra closing position with the handle 39 held by the receiving member 40, the vertical weir 5 abuts on the contact portion 20a, and the entrance / closing position is determined. In that state, when the handle 39 is pivoted in the direction of disengaging from the receiving member 40 and the lock member 21 is lowered, the lower end 21a and the engagement hook 21b engage with the engagement holes 35, 36 of the engagement member 20. .

As a result, the fall prevention frame 7 closes the entrance Ra in a state of being separated from the shelf 3 to the front side, and is firmly held relative to the shelf 3 by the engagement between the lock member 21 and the hook member 20. Even if the article on the shelf 3 is heavy, the drop can be surely restricted.
In the present invention, the shapes of the respective members in the embodiment and the positional relationship between the front, rear, left, right, upper and lower are best configured as shown in FIGS. However, it is not limited to the said embodiment, A member, a structure can be changed variously, and a combination can also be changed.

For example, although the left and right vertical weirs 5, the upper and lower horizontal weirs 6, etc. of the fall prevention frame 7 are formed of square pipes, round pipes may be used.
The connector 9 vertically moves and pivots the lock member 21. However, the receiving member 40 is omitted, and the lock member 21 is only vertically moved to engage and disengage with the hook holes 35 and 36. You may make it

  Further, in the connector 9, the hooking holes 35, 36 (or hooking projections) in the horizontal direction are formed in the vertical hooking member 20, and the hooking hooks 21b in the horizontal direction are provided in the lock member 21 in the vertical direction. The upper and lower hooking members 20 may be engaged with and separated from the hooking holes 35 and 36 only by rotating the member 21.

DESCRIPTION OF SYMBOLS 1 Goods fall prevention apparatus 2 support | pillar 3 Shelf material 5 Vertical line 6 Horizontal 7 Drop prevention frame 8 Pivotal support 9 Connection tool 11 Mounting material 12 Base body 13 Hinge 14 Fastener 16 Auxiliary vertical line 17 Auxiliary horizontal line 20 Locking member Reference Signs List 20a contact portion 21 lock member 21a lower end 21b hook hook 23 additional vertical hook 30 hook 31 bolt 33 mounting plate 34 hooking plate 35 hooking hole 36 hooking hole 38 guiding member 39 handle 40 rack member Ra Entrance

Claims (6)

An article drop prevention device disposed at an entrance (Ra) of a rack (R) in which a plurality of racks (3) are attached between columns (2),
A fall prevention frame (7) which is formed in a frame shape by the left and right longitudinal weirs (5) and the upper and lower lateral weirs (6) connecting them and which freely closes the entrance (Ra) of the rack (R) A pair of upper and lower pivot supports (8) pivotally supporting the base side of the prevention frame (7) to the post (2) of the rack (R), and a shelf of the rack (R) at the free end side of the fall prevention frame (7) And a connector (9) connected to the material (3),
The upper and lower pivot supports (8) are formed of a mounting member (11) mounted on the support column (2) and a rectangular pipe penetrating in the vertical direction and fixed to the mounting member (11) (12), a hinge (13) connecting the base (12) and the fall prevention frame (7), and upper and lower portions of the mounting material (11) above and below the base ( 12) 2) A fastener (14) attached to the article 2).   The fall prevention frame (7) has an auxiliary longitudinal weir (16) connecting the upper and lower lateral weirs (6) between the left and right longitudinal weirs (5) and / or the lateral longitudinal weir between the upper and lower lateral weirs (6) The article drop prevention device according to claim 1, characterized in that it has an auxiliary weir (17) connecting (5).   The connecting tool (9) is supported by the hook member (20) attached to the front surface of the rack (3) of the rack (R) and the vertical weir (5) of the fall prevention frame (7) and moves up and down Alternatively, it has a lock member (21) which can be engaged with and disengaged from the hooking member (20) by pivoting, and the hooking member (20) is closed at the entrance / outlet of the fall preventing frame (7). An article drop prevention device according to claim 1 or 2, characterized in that a contact portion (20a) is formed to be in contact with the drop prevention frame (7) when in the posture.   The article according to any one of claims 1 to 3, wherein the fall prevention frame (7) is detachably provided with a fall prevention net (23) for closing the space between the left and right vertical weirs (5). Fall prevention device.   The article drop according to any one of claims 1 to 4, wherein the fall prevention frame (7) has an additional vertical weir (24) detachably provided on the upper part of the vertical weir (5). Prevention device.   On the base (12) of the upper and lower pivot supports (8), on the opposite side of the support (2) on the side opposite to the side on which the hinge (13) is fixed, the entrance of the rack (R) on the opposite side The article drop prevention device according to any one of claims 1 to 5, further comprising a hinge (13) pivotally supporting a drop prevention frame (7) that closes Ra) openably and closably.

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