JP2891099B2 - Framed shelf connection structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting various frame shelves, for example, a shelf installed in a factory for loading and unloading by a forklift, and a shelf in an automated warehouse.

[0002]

2. Description of the Related Art Conventionally, as a frame shelf of this kind, there has been provided a frame shelf connecting structure disclosed in Japanese Patent Application Laid-Open No. 4-272006. In this conventional configuration, the column is formed in a shape of a shape by an outer plate portion and left and right side plate portions, and a plurality of locking portions are formed on the side plate portion at predetermined intervals in the vertical direction. The crosspiece attached to the column is formed into an L-shape by a vertical member that can oppose the side of the column, and a horizontal member that is bent sideways from the lower end of the vertical member and is connected to both sides. The rib portion is bent outward from the front and rear edges of the portion. The vertical member is provided with a locked portion that can be locked from above with respect to the locking portion of the column.

According to this conventional type, the vertical member of the arm tree is brought into contact with the side plate from the left and right direction, and then the other members are lowered to lock the locked portion with the locking portion from above. Thereby, the connection of the arm tree to the support can be performed. And the arm rail is attached between the cross members of the front and rear arms. In the frame shelf assembled in this manner, the load can be stored by placing the load between the left and right pair of arm rails via a pallet or directly.

[0004]

According to the above-mentioned conventional type, the stored load on the load side is applied from the arm rail to the cross member of the arm, and the cross member is bent downward with the corner as a fulcrum. The bending force is supported by the rib portion.
However, in order to support a large bending force (load), the height (vertical width) of the rib portion must be sufficient, and if the height of the rib portion is high, the bending stress increases. ,
For example, it is not possible to suitably perform the shaping of the arms by pressing. In addition, when the height of the rib portion is reduced for smooth and efficient shaping of the arm, a large bending force cannot be supported.

[0005] An object of the present invention is to provide a connection structure for frame shelves in which a crosspiece can sufficiently support a large bending force (load) and can be formed smoothly and efficiently. .

[0006]

According to a first aspect of the present invention, there is provided a connecting structure for a frame shelf, wherein a plurality of locking portions are formed on a side portion of a support column at predetermined intervals in a vertical direction. To
A vertical member that can be freely opposed to the side of the column and a horizontal member that is bent sideways from the lower end of the vertical member are formed in an L-shape, and are formed outwardly from the front and rear edges of both members. The rib portion is formed by bending the rib portion, and the rib portion of the horizontal member portion is formed in a lower inclined plate shape toward the vertical member portion, and the rib portion at the corner portion formed by both material portions, the horizontal member from the vertical member portion side Form a concave part side,
A rib portion of the horizontal member located below the concave portion is formed in a contact portion with a side portion of the column, and the rib portion of the vertical member can be locked from above with respect to the locking portion from above. Forming a locked part,
A connecting hole for connecting another member is formed in the horizontal member in the vertical direction.

According to a second aspect of the present invention, there is provided the framed shelf connecting structure according to the first aspect of the present invention, wherein the support member includes a pair of front and rear members, and the other member is provided between the pair of front and rear cross members of the brace members which are locked to the both support members. Is arranged.

According to the third aspect of the present invention, in the framed shelf connecting structure according to the first aspect of the present invention, a pair of supports are provided in front, rear, left and right, respectively, and a pair of arms are provided in front, back, left and right of each of the supports. Another member is disposed between the material parts.

[0009]

According to the structure of the first aspect of the present invention, in order to manufacture a crosspiece, first, a template obtained by punching and cutting is subjected to, for example, press working so that a vertical member and a horizontal member are linearly positioned. A semi-finished product was obtained by bending and forming a rib portion. Then, the semi-finished product was bent and formed at an intermediate portion in a longitudinal direction of the semi-finished product, whereby a vertical member portion was positioned at right angles to a horizontal member portion. Arms may be molded. The bending at this time can be smoothly and smoothly performed by reducing the bending stress of the rib portion on the side of the horizontal member due to the presence of the concave portion.

In order to assemble the arm with respect to the support, first, the arm is applied to the side of the support with the vertical members and the ribs in close contact with each other. By engaging the locked portion with the portion from above, the arm can be attached to the column. Then, the other member is placed on the horizontal member, and the connecting member is operated using the connecting hole, so that the other member can be connected to the crosspiece.

The frame shelf assembled in this manner can be used for storing a load by placing the load on another member via a pallet or directly placing the load. At that time, the load on the load side is applied to the cross member of the arm tree from other members, and this cross member is
The bending portion attempts to bend downward with the corner portion as a fulcrum, but this bending force can be received by the contact portion contacting the side plate portion.

According to the structure of the second aspect of the present invention, when assembling the frame shelf, first, the arm is attached to the pair of front and rear columns, and another member, such as a rail, is connected between the opposite arms. You can do that.

According to the structure of the third aspect of the present invention, the frame shelf is assembled by attaching arms to a pair of columns in front, rear, left and right, and then, for example, in the form of a rectangular plate between the cross members of the pair of arms in front, rear, left and right. This can be done by disposing other members. The load can be stored by directly placing the load on the other member or via a pallet.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 5, the frame shelf 1 is provided with uprights 2 erected at predetermined intervals in the front-rear and left-right directions. 4 and are connected and fixed to each other. In addition, right and left support 2
The space is connected and fixed to each other by a lateral beam 5 that is continuous in the horizontal direction at a predetermined position on the back surface of the frame shelf 1, and at this time, the connection is performed by bolts or rivets. On the back side of the frame shelf 1, a brace mounting plate 6 is provided at the intersection of the column 2 and the horizontal beam 5, and a brace 7 is mounted between the brace mounting plates 6 in a cross shape.

Arms 20 projecting horizontally from the left and right supports 2 are detachably attached to each of the struts 2, and an arm rail (an example of another member) is provided between the free ends of the arms 20 facing each other. ) 35 are connected. And left and right arm rail
35, the load 51 via the pallet 50 or directly the load 51
It is configured to support. Further, a seating member 8 is attached to the lower end of the column 2.

As shown in FIGS. 1 to 4, the support column 2 comprises an outer plate portion 10 and an inner plate portion 11 which oppose each other, and left and right side plate portions 12.
By forming the slit 13 in the center of the inner plate portion 11 in the longitudinal direction, the cross section is formed in a substantially C-shaped mold material shape. The inner plate 11 has 90
A pair of left and right connecting plate parts 14 that are bent outward and project
Are formed along the slit 13 so as to face each other. The ends of the front and rear members 3 and the slant members 4 are inserted between the connection plate portions 14 and connected and fixed by rivets or the like.

The left and right side plate portions 12 are formed with two rectangular through holes 15 slightly longer in the vertical direction at predetermined intervals in the front-rear direction and at predetermined intervals in the vertical direction. The lower edge forming these through holes 15 is a locking portion 16, and the upper edge forming the upper through hole 15 is a reaction force receiving portion 17. Further, a rectangular hole-shaped engaging hole 18 is formed at the center of the four through holes 15, and a plurality of sets are formed at predetermined intervals in the vertical direction as a set of these 15 to 18.

The crosspiece 20 is composed of a vertical member 21 that can freely face the side plate portion 12 and a side (left-right direction) from the lower end of the vertical member 21.
It is formed in an L-shape by the horizontal member portion 22 which is bent and provided in a row, and the formation is performed by, for example, press working. At that time, the ribs 23 are integrally formed outward by bending from the front and rear edges of the vertical member 21, and
The ribs extend downward (outward) from the front and rear edges of the cross member 22
24 are integrally formed by bending.

The two rib portions 24 of the horizontal member portion 22 are formed in a lower inclined plate shape toward the vertical member portion 21, and the rib members 24 are formed on the rib portions 24 at the corner portions 25 formed by the both member portions 21, 22. A recess 26 is formed from the part 21 side to the cross member part 22 side. As a result, the ribs 23 on the side of the vertical members 21 have the same width up to a position where the corners 25 are completely bent. The concave portion 26 is formed to penetrate into an acute angle, and the rib portion 24 of the horizontal member 22 located below the concave portion 26 is formed in the contact portion 24A to the side plate portion 12.

The vertical member 21 is formed in the shape of a rib protruding outward so as to abut on the side surface of the column 2, that is, the side plate 12, and at this time, a dimension that does not protrude outward from the outer plate 10. Is set to

The ribs 23 of the vertical member 21 are inserted into the through holes 15 from the left and right directions and the locking portions 16 are provided.
A protruding piece-like locked portion 27 that can be locked from above is formed as a pair of upper and lower parts protruding outward and downward integrally. From the upper locked portions 27, abutment pieces 28 that can abut from the inside against the reaction force receiving portions 17 are integrally formed upward.

At the center of the horizontal member 22 between the locked portions 27, the locking holes 18 are formed when the locked portions 27 are locked from the locking portions 16 from above. The engaging piece 29 which can be inserted by pushing deformation is formed in a cut-over shape.
Further, a slit 30 having a long hole shape in the front-rear direction is formed in the middle of the cross member 22. A downward recess 31 is formed between the slit 30 and the free end.
A connecting hole 32 for connecting the arm rail 35 is formed in the vertical direction.

The arm rail 35 has a long plate-shaped receiving plate portion 36.
And a pair of vertical plate portions 37, 38 suspended from both edges in the width direction of the receiving plate portion 36, and a horizontal plate portion integrally connected to the opposite side from the lower edge of the vertical plate portions 37, 38. The cross section is formed in a channel shape by 39,40. At both ends in the length direction of the vertical plate portion 37 on the column 2 side, notches 41 are formed to avoid the horizontal members 22. At the center of the notch 41, the slit 30 is formed. Positioning piece that can be inserted from above
42 is provided in the same cross section as the vertical plate portion 37.

Further, at both ends of the receiving plate portion 36 and at the center in the width direction, there is formed a recessed portion 43 which can be fitted into the recessed portion 31 from above, and the recessed portion 43 can freely fit into the connection hole 32. The connecting hole 44 is formed. And both connecting holes 32,4
A vertical rivet 45 (an example of a connection tool, which may be a bolt / nut) is provided between the four. The receiving plate part
A rising portion 46 for preventing the load from falling off is integrally provided from the rear end of 36.

Next, the operation of the above embodiment will be described. To manufacture the crosspiece 20, first, a template obtained by punching and cutting is subjected to, for example, press working so that the vertical member 21 and the horizontal member 22 are linearly positioned as shown by the solid line in FIG. In addition, a semi-finished product obtained by bending the rib portions 23 and 24 is obtained. Then
By bending this semi-finished product at the intermediate portion in the longitudinal direction, the vertical member 21 can be bent at right angles to the horizontal member 22 as shown by the imaginary line in FIG. The bending at this time can be smoothly and smoothly performed by reducing the bending stress of the rib portion 24 on the side of the cross member portion 22 due to the presence of the concave portion 26, so that the corner portion 25 can be formed.

To assemble the frame shelf 1, first, the horizontal beam 5 and the brace 7 are connected to the pair of front and rear columns 2 integrated via the front and rear members 3 and the diagonal members 4, thereby assembling the frame body. The arm bar 20 is attached to the framework assembled in this manner. That is, when assembling the arm 20 to the support 2, first, the vertical member 21 of the arm 20 is made to approach the side plate 12 of the support 2 from the left and right directions, and the contact piece 28 is inserted into the through hole 15. Then, while raising the arm 20 and applying the contact piece 28 to the reaction force receiving portion 17,
The locked portion 27 is made to face each through hole 15.

Next, the locked portion 27 is inserted into the through hole 15,
As a result, the vertical member 21 and the rib 23 are brought into close contact with the side plate 12 of the column 2 and
A is abutted. By lowering the arm 20 and engaging the locked portion 27 with the locking portion 16 from above, the support 2
Therefore, it is possible to prevent the arm bar 20 from being detached forward and sideways. At this time, the application of the application piece 28 to the reaction force receiving portion 17 is maintained. In such an engaged state, the engaged piece 29 is pushed and deformed and inserted into the engaging hole 18. Thus, the upward movement of the arm member 20 can be prevented, and the arm member 20 can be easily and firmly fixed to the column 2.

Then, the connection of the arm rail 35 to the space between the arms 20 facing each other is performed. In this connection, the positioning arm 42 is inserted into the slit 30 by descending the arm rail 35, and the recess 43 is fitted into the recess 31 from above, so that the arm rail is provided between the free ends of the cross member 22. Place 35. Then, the rivet 45 is driven between the matched connecting holes 32, 44 to connect the arm rail 35.

The frame shelf 1 assembled in this manner
Is a load 51 between a pair of left and right arm rails 35 via a pallet 50.
Or, by directly placing the load 51, the load 51 is used for storage. At that time, the load on the load 51 side is applied from the arm rail 35 to the cross member 22 of the arm 20, and the cross member 22 is to be bent downward with the corner 25 as a fulcrum. It can be received by the contact portion 24A contacting the side plate portion 12.

FIGS. 7 and 8 show another embodiment of the present invention.
That is, the arms 20 are attached to the pair of columns 2 at the front, rear, left and right, respectively, and the shelf board 55, which is another example of another member, is disposed between the cross members 22 of the pair of arms 20 at the front, rear, left and right. . The shelf 55 has a rectangular plate shape, and connection holes 56 and the like are formed at four corners thereof. Side guide plates 57 are erected on both sides by bending, a front guide plate 58 is connected to the front and downward at the front, and a rising portion 59 is formed in the rear part.

According to this alternative embodiment, the load is placed on the shelf 55
The load 51 can be stored by placing the 51 directly or via the pallet 50. In the above embodiment, the engaging hole 18 is formed in the support 2 and the engaged piece 29 is provided in the arm 20. However, the engaging piece 29 is provided in the support 2 and the engaging hole 18 is formed in the arm 20. May be.

[0032]

According to the first aspect of the present invention having the above-described structure, to produce a crosspiece in which the vertical member is positioned at right angles to the horizontal member by bending, the bending is performed by the presence of the concave portion. The bending stress of the rib portion on the material portion side is reduced, so that the rib portion can be smoothly and smoothly performed. Then, the load on the load side during storage of the load is applied to the cross member portion of the arm tree from another member, and the cross member portion is to be bent downward with the corner portion as a fulcrum,
This bending force can be received by the contact portion being in contact with the side plate portion, so that a large load can be supported.

Further, according to the second aspect of the present invention, it is possible to assemble a frame shelf having, for example, another rail-shaped member. Further, according to the third aspect of the present invention having the above configuration,
For example, it is possible to assemble a frame shelf having another member in the shape of a rectangular plate.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention and is an exploded perspective view of a crosspiece connecting portion in a framed shelf connecting structure.

FIG. 2 is a vertical cross-sectional front view showing a connection state of a crosspiece connection portion in the connection structure of the framed shelves.

FIG. 3 is a partially cutaway plan view showing a connection state of a crosspiece connection part in the connection structure of the frame shelf.

FIG. 4 is a partially cutaway side view in a connected state of a crosspiece connecting portion in the framed shelf connecting structure.

FIG. 5 is a perspective view of the frame shelf.

FIG. 6 is an explanatory view of forming a crosspiece in the connection structure of the framed shelves.

FIG. 7 shows another embodiment of the present invention, and is a front view of a main part of a frame shelf in a frame shelf connection structure.

FIG. 8 is a plan view of a main part of the framework shelf in the connection structure of the framework shelf.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame shelf 2 Prop 12 Side plate part 16 Locking part 20 Arm 21 Vertical part 22 Horizontal part 23 Rib 24 Rib 24A Contact part 25 Corner 26 Depression 27 Locked part 32 Connecting hole 35 Arm rail ( Other components) 44 Connection holes 45 Rivet (connector) 50 Pallet 51 Load 55 Shelf (other components) 56 Connection holes

Claims (3)

(57) [Claims] 1. A connecting structure of a frame shelf for attaching another member to a support via a brace, wherein a plurality of locking portions are formed on a side portion of the support at predetermined intervals in a vertical direction, and the brace is formed. A vertical member that can freely oppose the side of the column and a horizontal member that is bent sideways from the lower end of the vertical member are formed in an L-shape, and are formed outside the front and rear edges of both members. The rib portion is formed by bending the rib portion toward the side, and the rib portion of the horizontal member portion is formed in a lower inclined plate shape toward the vertical member portion, and the rib portion at the corner portion formed by both material portions, the horizontal portion from the vertical member portion side. Forming a concave portion on the material portion side, forming a rib portion of the horizontal member portion located below the concave portion on a contact portion to a side portion of a column, and forming a rib portion of the vertical member portion on
A framed shelf connection, characterized in that a locked portion that can be locked from above with respect to the locking portion is formed, and a connecting hole for connecting another member is formed in the horizontal member portion in a vertical direction. Construction. 2. The connection of the frame shelf according to claim 1, wherein the support members are a pair of front and rear, and another member is disposed between the pair of front and rear cross members of the arm bar that are locked to the both supports. Construction. 3. The vehicle according to claim 1, wherein the support members are paired in front, rear, left and right, respectively, and another member is disposed between the pair of cross members of the brace on the front, rear, left and right, respectively, which are locked to the support members. Connection structure of the described frame shelf.