JP5590469B2 - rack - Google Patents

Description

  The present invention relates to a rack provided with a shelf frame in which a sub beam material is installed between a pair of front and rear beam materials at appropriate intervals in the length direction of the beam material.

  As a rack shelf frame, as described in Patent Document 1, a sub-beam member is constructed between a pair of front and rear beam members at appropriate intervals in the length direction of the beam member. Thus, the rack rack frame shown in Patent Document 1 has protrusions formed at both ends in the length direction of the sub-beam material, the outer horizontal plate portion and the intermediate horizontal plate portion above the beam material. When the sub-beam material is lowered in a state of being inserted in between, a locking piece continuously bent downward from the tip of the protruding portion of the sub-beam material is provided on the intermediate horizontal plate portion of the beam material. The sub-beam material is positioned with respect to the beam material by fitting into the stop hole.

JP-A-11-290140

  In the rack shelf frame configured as described above, the locking piece protrudes downward from the lower surface of the sub-beam material, so that the locking piece comes into contact with other objects when handling the sub-beam material before being assembled between the beam materials. Then, there is a risk that the locking piece may be slidably brought into contact with the operator or other objects, and the skin of the operator or the surface of the other object may be damaged. In addition, the sub-beam material is only positioned by fitting the locking piece and the locking hole on the beam material side in a state in which the protruding portions at both ends of the sub-beam material are placed on the intermediate horizontal plate portion of the beam material. However, when a downward load is applied to the middle part of the sub-beam material where the protruding portions at both ends are supported by the beam material, the beam material side is expected to have a function of suppressing the cross-sectional shape of the protruding portions at both ends of the sub-beam material. Therefore, in order to increase the load bearing performance of the sub-beam material, the thickness of the sub-beam material is increased, or a protrusion forming member formed of a separate member having a large thickness is welded to both ends of the sub-beam material. , And the like were necessary, leading to an increase in the cost of the entire shelf frame and, consequently, the entire rack.

  The present invention proposes a rack capable of solving the conventional problems as described above, and the rack shelf frame according to the present invention is the same as that of the embodiment described later. In order to facilitate understanding of the relationship, the reference numerals used in the description of the embodiment are shown in parentheses, and the beam material (2a, 2b) is interposed between the pair of front and rear beam materials (2a, 2b). In the rack provided with the shelf frame (1) constructed by laying the sub-beam material (3) at appropriate intervals in the length direction, the beam material (2a, 2b) is a pair of upper and lower outer horizontal plate portions (7a, 7b) An intermediate horizontal plate portion (the upper horizontal plate portion (9a) of the groove-shaped plate portion (8)) and a vertical plate portion extending downward at a right angle from the inner side of the intermediate horizontal plate portion (9a) ( 11) between the outer horizontal plate portion (7a) and the intermediate horizontal plate portion (9a) on the upper side of the beam material (2a, 2b) at both ends in the length direction of the sub-beam material (3). Inserted in A protrusion (16a) that can be inserted is provided, and in this protrusion (16a), a horizontal overhanging plate that is continuously bent from the lower side of the vertical side plate (14a) and the vertical side plate (14a). And an L-shaped tip (17a) having a recessed portion (18a) formed on the inner side of the horizontal overhanging plate (15a). The beam member (2a, 2b) is provided with an L-shaped tip (17a). Is a notch portion in which the L-shaped tip end portion (17a) of the projecting portion (16a) of the sub-beam material (3) can be fitted downward across the intermediate horizontal plate portion (9a) and the vertical plate portion (11). (20a) is provided, and the notch (20a) is formed with a protruding plate part (21) that fits in the recessed part (18a) and restricts the free movement of the sub-beam material (3) in the length direction. It has been configured.

  When the present invention is carried out, specifically, as described in claim 2, a pair of left and right protrusions (16a, 16b) of the sub-beam material (3) are provided, and L of both protrusions (16a, 16b) is provided. The shape tip part (17a, 17b) is provided with a horizontal projecting plate part (15a, 15b) inwardly approaching each other to form a left-right symmetric shape, and a notch part of the beam material (2a, 2b) ( 20a, 20b) can be provided in a pair of left and right and left and right symmetrical so that the pair of left and right L-shaped tips (17a, 17b) can be fitted simultaneously. In this case, as described in claim 3, the sub-beam member (3) includes a horizontal top plate portion (13) and left and right sides that are bent downward from both left and right sides of the horizontal top plate portion (13). Consists of both vertical plate portions (14a, 14b) and horizontal projecting plate portions (15a, 15b) that are bent inward from the lower side of the left and right vertical plate portions (14a, 14b), The pair of left and right protrusions (16a, 16b) extend the left and right vertical side plate portions (14a, 14b) and the horizontal projecting plate portions (15a, 15b) in the length direction of the sub-beam material (3). Can be configured.

  According to a fourth aspect of the present invention, the beam member (2a, 2b) is provided between a pair of upper and lower outer horizontal plate portions (7a, 7b) and a pair of upper and lower outer horizontal plate portions (7a, 7b). A grooved plate portion (8) that is disposed and has a recessed groove portion opened outward, and an outer side of the pair of upper and lower outer horizontal plate portions (7a, 7b) and upper and lower horizontal portions of the grooved plate portion (8). It is composed of a pair of upper and lower inclined plate portions (10a, 10b) connecting the outer sides of the plate portions (9a, 9b), and the intermediate horizontal plate portion is an upper horizontal plate portion of the grooved plate portion (8). (9a), and the vertical plate portion may be a vertical plate portion (11) that connects the inner sides of the upper and lower horizontal plate portions (9a, 9b) of the grooved plate portion (8).

  Furthermore, as described in claim 5, the beam member (2a, 2b) includes at least an inner side of at least an upper outer horizontal plate portion (7a) of a pair of upper and lower outer horizontal plate portions (7a, 7b). A vertical projecting plate portion (12a) bent inward from the side is formed, and a sub beam material (3) supported by the notch portion (20a) of the beam material (2a, 2b) is provided. When the L-shaped tip (17a) of the protrusion (16a) moves upward from the notch (20a) and moves upward, the base of the protrusion (16a) becomes the vertical projecting plate portion. It can comprise so that it may contact | abut to (12a).

  According to the configuration of the present invention described in claim 1, when the sub-beam material is installed between the pair of front and rear beam materials, the sub-beam material is rotated horizontally as is conventionally known, thereby projecting the projecting portions at both ends of the sub-beam material. Is inserted between the outer horizontal plate portion on the upper side of the beam member and the intermediate horizontal plate portion, and the L-shaped tip portion of the protruding portion is formed across the intermediate horizontal plate portion and the vertical plate portion on the beam member side. By lowering the sub-beam material in a state of being positioned directly above the cut-out portion, the L-shaped tip portion of the both-end protruding portion of the sub-beam material is fitted into the cut-out portion on the beam material side. As a result, in a state where the protruding plate portion of the notch portion on the beam material side is fitted in the recessed portion of the horizontal projecting plate portion of the L-shaped tip portion of the protruding portion of the sub beam material, the sub beam material is The protruding portion is supported by the lower side of the notch on the beam material side via a horizontal projecting plate at the L-shaped tip.

  As described above, it is possible to construct the protruding portions at both ends of the sub-beam material between a pair of front and rear beams by a simple operation by simply rotating the sub-beam material and then lowering the sub-beam material. In this state, the protruding plate portion of the notch on the beam material side is fitted in the recessed portion of the horizontal projecting plate portion at the L-shaped tip of the protruding portion on the sub beam material side. The free play in the vertical direction is limited to the free range of the protruding plate part in the recessed part. In addition, the portion on the sub-beam material side for limiting the movement in the length direction of the sub-beam material is a recessed portion formed in the horizontal projecting plate portion of the L-shaped front end portion of the both-end protruding portion of the sub-beam material, Since it is not a protruding piece that protrudes downward from the sub-beam material as in the past, the entire bottom surface of both end protruding portions of the beam material can be formed flat, and when handling the sub-beam material before being assembled between the beam materials, The part that restricts the free movement of the sub-beam material in the length direction (the recessed part formed in the horizontal projecting plate part) comes into contact with the other object and deforms, or the part slides on the operator or the other object and the worker There is no risk of scratching your skin or other surfaces.

  Furthermore, the protruding portions at both ends of the sub-beam material are supported by the notch portion on the beam material side in a state of being fitted in the notch portion on the beam material side at the L-shaped tip portion. By configuring as described, it is possible to suppress the deformation of the sub-beam material so that the protruding portions at both ends spread left and right by the pair of left and right cutouts on the beam material side. Therefore, when a large downward load is applied to the intermediate portion in the length direction of the sub-beam material supported at both ends by a pair of front and rear beams, the both-end protruding portions of the sub-beam material are not deformed so as to spread to the left and right. The load bearing performance of the sub-beam material is improved. In other words, in order to increase the load-bearing performance of the sub-beam material, measures such as increasing the thickness of the sub-beam material or welding protrusion forming members made of separate members with thick plate to both ends of the sub-beam material. Is eliminated, and the cost of the entire shelf frame can be reduced.

  In addition, according to the structure of Claim 2, a sub-beam material can be supported stably, and further, according to the structure of Claim 3, a pair of left and right ends each provided with the L-shaped tip part. The entire sub-beam material including the protruding portion can be simply configured, and the bending strength of the sub-beam material itself can be increased.

  Moreover, according to the structure of Claim 4, since a beam material can be comprised in a vertically symmetrical shape, it is convenient for the handling after manufacture of this beam material itself, and also the bending strength of beam material itself can be raised. . Furthermore, according to the configuration of the fifth aspect, the bending strength of the beam material itself can be further increased, and the protruding portions on both ends of the sub beam material and the engaging portion on the beam material side are completely covered with the beam material. It is possible to protect, and when an unreasonable external force acts on the sub-beam material, it is possible to prevent the sub-beam material from accidentally falling off due to the protruding portions at both ends of the sub-beam material moving upward from the beam material. .

FIG. 1 is a schematic perspective view showing a shelf frame in use. FIG. 2 is a vertical side view of the shelf frame with the middle omitted. FIG. 3 is a perspective view showing a main part of the beam material. FIG. 4 is a partial cross-sectional plan view showing the main part of the beam material. FIG. 5 is a partially cutaway perspective view showing a protruding portion at one end of the sub-beam material. FIG. 6 is a cross-sectional plan view of the main part for explaining the first stage of the construction procedure of the sub-beam material on the beam material cage. FIG. 7 is a longitudinal side view of the main part for explaining the second stage of the installation procedure. 8 is a partial cross-sectional plan view of FIG. FIG. 9A is a longitudinal side view of the main part in a state where the construction of the sub-beam material is completed, and FIG. 9B is a cross-sectional view taken along the line XX of FIG. 9A.

  In FIG. 1, reference numeral 1 denotes a shelf frame, and a pair of front and rear beam members 2a and 2b parallel to the frontage direction, and the beam members 2a and 2b are spaced at appropriate intervals in the length direction of the beam members 2a and 2b. It is composed of a plurality of sub-beam members 3 installed in parallel with the depth direction. The shelf frame 1 includes a pair of front and rear shelf support frames 6a and 6b formed by a pair of front and rear support members 4a and 4b and a connecting member 5 disposed between the support members 4a and 4b. Both ends of the beam members 2a and 2b are horizontally supported in a state of being locked to the support members 4a and 4b. In the drawing, one of the shelf frames 1 that is installed in a plurality of upper and lower stages between the pair of left and right shelf support frames 6a and 6b is illustrated.

  Hereinafter, the configuration of the present invention applied to the shelf frame 1 used as described above will be described in detail. As shown in FIGS. 2 to 6, the beam members 2a and 2b are a pair of upper and lower outer horizontal plates. A pair of upper and lower outer horizontal plate portions 7a and 7b, a groove-shaped plate portion 8 disposed between the pair of upper and lower outer horizontal plate portions 7a and 7b and having a recessed groove portion opened outward, and the pair of upper and lower outer horizontal plate portions 7a and 7b. It is composed of a vertically symmetrical mold material composed of a pair of upper and lower inclined plate portions 10a and 10b that connect the outer side and the outer sides of the upper and lower horizontal plate portions 9a and 9b of the grooved plate portion 8. The vertical plate portion 11 that connects the inner sides of the upper and lower horizontal plate portions 9a, 9b of the grooved plate portion 8 is a width direction of a vertically long rectangular space surrounded by a pair of upper and lower outer horizontal plate portions 7a, 7b. The vertical overhanging plate portions 12a and 12b are bent and connected to the inner sides of the pair of upper and lower outer horizontal plate portions 7a and 7b in a right angle inward direction.

  The sub-beam material 3 includes a horizontal top plate portion 13, left and right vertical side plate portions 14 a and 14 b that are bent downward from both left and right sides of the horizontal top plate portion 13, and the left and right vertical side plate portions 14 a and 14 b. It is composed of a symmetrical mold having horizontal projecting plate portions 15a and 15b that are bent inward from the lower side, and has a pair of left and right projecting portions 16a and 16b at both ends in the length direction. ing. The pair of left and right projecting portions 16a and 16b are configured by extending the lower half of the left and right vertical plate portions 14a and 14b and the horizontal projecting plate portions 15a and 15b in the length direction of the sub-beam material 3. Thus, each upper side is inclined so as to be lowered toward the tip side. And in the L-shaped tip portions 17a and 17b formed by the left and right vertical side plate portions 14a and 14b and the horizontal projecting plate portions 15a and 15b of the projecting portions 16a and 16b, the horizontal projecting plate portions 15a and 15b are provided. A rectangular recess 18a, 18b is formed on the inner side of the.

  The length of the main body portion excluding the projecting portions 16a and 16b of the sub-beam material 3 having the above-described configuration, that is, the length of the horizontal top plate portion 13 is the distance between the pair of front and rear beam materials 2a and 2b as shown in FIG. The length of the protrusions 16a and 16b at both ends thereof is a groove shape from the lower side of the vertical extension plate 12a above the beam members 2a and 2b. It has a length and a height at which the L-shaped tip portions 17a and 17b can be inserted above the horizontal plate portion 9a on the upper side of the plate portion 8. On the other hand, the beam materials 2a and 2b are provided with sub beam material support portions 19 at regular intervals D in the beam material length direction. The sub-beam material support portion 19 is composed of a pair of left and right cutout portions 20 a and 20 b formed in an L shape from the horizontal plate portion 9 a on the upper side of the groove-shaped plate portion 8 to the vertical plate portion 11. The pair of left and right cutouts 20a and 20b are formed at intervals at which the L-shaped tip portions 17a and 17b of the pair of left and right protrusions 16a and 16b of the sub-beam material 3 can be fitted downward. The vertical plate portion 11 of the portion 8 is formed with a protruding plate portion 21 that protrudes into the cutout portions 20a and 20b from mutually adjacent inner sides of the vertical portions of the cutout portions 20a and 20b.

  In the above configuration, a procedure for installing the sub beam material 3 between the pair of front and rear beam materials 2a and 2b will be described. As shown in FIG. 6, the sub beam material 3 is inclined with respect to the beam materials 2a and 2b. , 2b, the sub beam member 3 is rotated horizontally to a posture perpendicular to the beam members 2a, 2b, and the protrusions 16a, 16b at both ends thereof are moved as shown in FIGS. The beam members 2 a and 2 b are inserted between the vertical projecting plate portion 12 a on the upper side and the horizontal plate portion 9 a on the upper side of the channel plate portion 8. At this time, as shown in the figure, the L-shaped tip portions 17a and 17b of the projecting portions 16a and 16b at both ends of the sub beam material 3 are paired on the left and right sides of the selected one sub beam material support portion 19 on the beam materials 2a and 2b side. It will be located right above the horizontal part of the notches 20a and 20b. In such a state, both end portions 3a, 3b of the main body portion excluding the protruding portions 16a, 16b of the sub-beam material 3 (both ends vertical to the both ends of the horizontal top plate portion 13 and the protruding portions 16a, 16b of the left and right vertical side plate portions 14a, 14b) The sub-beam material 3 can move in the length direction within a range until the edge) comes into contact with the vertical projecting plate portion 12a of the beam materials 2a and 2b, but the sub-beam material 3 is positioned at the center position of the moving range. In plan view, the vertical plate portion 11 (projection plate portion 21) of the groove-shaped plate portion 8 of the beam members 2a and 2b is indented portion 18a of the L-shaped tip portions 17a and 17b in both the projection portions 16a and 16b. , 18b (the width in the length direction of the beam members 2a, 2b) is located at the center position.

  If the sub-beam material 3 is positioned as described above, the sub-beam material 3 is lowered as it is, and the L-shaped tip portions 17a and 17b in the projecting portions 16a and 16b at both ends are paired with left and right cutout portions of the beam materials 2a and 2b. Drop into 20a, 20b. As a result, as shown in FIG. 9, the sub-beam member 3 has the beam members 2a and 2b at the horizontal projecting plate portions 15a and 15b of the L-shaped tip portions 17a and 17b of the pair of left and right projecting portions 16a and 16b. The left and right cutout portions 20a and 20b are supported on the lower side of the vertical portion, and the protruding plates of the vertical portions of the cutout portions 20a and 20b are provided in the recessed portions 18a and 18b provided in the L-shaped tip portions 17a and 17b. Part 21 is fitted. Therefore, when the sub-beam material 3 supported horizontally between the pair of front and rear beam members 2a and 2b is moved back and forth in the length direction, one side of the recessed portions 18a and 18b on the sub-beam material 3 side and the beam material. When the protruding plate portion 21 on the 2a, 2b side comes into contact with or the width of the recessed portions 18a, 18b is wide, the one side of the recessed portions 18a, 18b and the protrusion on the beam members 2a, 2b side Before the plate portion 21 comes into contact, one of the end portions 3a and 3b of the main body portion of the sub beam material 3 comes into contact with the vertical projecting plate portion 12a of the beam material 2a or 2b. However, as shown in the drawing, before one of the two end portions 3a and 3b of the main body portion of the sub beam member 3 comes into contact with the vertical projecting plate portion 12a of the beam member 2a or 2b, one side of the recessed portions 18a and 18b is provided. The widths of the recessed portions 18a and 18b are set so that the side and the protruding plate portion 21 on the beam material 2a and 2b side come into contact with each other to restrict the movement of the sub beam material 3 in the length direction. desirable.

As described above, the sub-beam material 3 installed horizontally between the pair of front and rear beam members 2a and 2b is in contact with the vertical projecting plate portion 12a of the beam members 2a and 2b. It cannot be removed from the beam members 2a and 2b unless it is lifted parallel to the height and then rotated horizontally to separate the projecting portions 16a and 16b at both ends from the beam members 2a and 2b. In other words, the sub-beam material 3 installed horizontally between the pair of front and rear beam members 2a and 2b has L in the notches 20a and 20b on the beam materials 2a and 2b side and the protruding portions 16a and 16b on the sub-beam material 3 side. By fitting with the shape tip portions 17a and 17b, the beam members 2a and 2b are held in a fixed position at a right angle. Further, when the width of the recessed portions 18a and 18b on the sub beam material 3 side is set as described above, even if an external force in the length direction acts on the sub beam material 3, the sub beam material 3 has the One of the two end portions 3a and 3b of the main body portion can be prevented from coming into contact with the vertical projecting plate portion 12a of the beam member 2a or 2b, and coating or plating peeling off due to this contact can be prevented.

  Note that when a load is placed directly on the sub beam member 3 horizontally installed between the pair of front and rear beam members 2a and 2b as described above, the upper surface of the sub beam member 3, that is, the horizontal top plate portion 13 is mounted. The height of the sub-beam material 3 is set so that the upper surface of the sub-beam material 3 is substantially flush with or slightly lower than the upper surfaces of the beam members 2a and 2b, that is, the upper surface of the upper outer horizontal plate portion 7a. However, when a shelf plate material that supports a load is placed on the sub-beam material 3 between the pair of front and rear beam materials 2a and 2b, the upper surface of the sub-beam material 3 is equal to the thickness of the shelf plate material from the upper surfaces of the beam materials 2a and 2b. It can be configured to be as low as possible.

  The rack shelf frame of the present invention can be used for various types of assembling-type racks configured by using mold materials.

DESCRIPTION OF SYMBOLS 1 Shelf frame 2a, 2b Beam material 3 Sub beam material 3a, 3b Both ends of sub beam material main body 7a, 7b Outside horizontal plate portion of beam material 8 Channel shape plate portions 9a, 9b Upper and lower sides of channel shape plate portion Horizontal flat plate portion 10a, 10b Beam plate inclined plate portion 11 Channel plate vertical plate portion 12a, 12b Beam material vertical projecting plate portions 12a, 12b
13 Horizontal beam top plate portions 14a, 14b Sub beam material left and right vertical plate portions 15a, 15b Sub beam material horizontal projecting plate portions 16a, 16b Projection portions 17a, 17b at both ends of the sub beam material L-shaped tip portions 18a , 18b L-shaped front end recessed portion 19 Sub beam material support portion 20a, 20b Notch portion 21 Projection plate portion

Claims (5)

  In a rack having a shelf frame in which a sub beam material is installed between a pair of front and rear beam materials at appropriate intervals in the length direction of the beam material, the beam material is disposed between a pair of upper and lower outer horizontal plate portions. An intermediate horizontal plate portion, and a vertical plate portion extending vertically downward from the inner side of the intermediate horizontal plate portion, and at the both ends in the length direction of the sub-beam material, an outer horizontal plate portion on the upper side of the beam material. A protrusion that can be inserted between the vertical side plate and a horizontal overhanging plate that is bent from the lower side of the vertical side plate. And an L-shaped tip portion having a recessed portion formed on the inner side of the horizontal projecting plate portion, and the beam material has a protruding portion of the sub-beam material across the intermediate horizontal plate portion and the vertical plate portion. The L-shaped tip is provided with a notch that can be fitted downward, Of the notch, the projecting plate portion for limiting rattling in the longitudinal direction of the fitted sub-beam member to said recessed portion is formed, a rack.   A pair of left and right projecting portions of the sub-beam material are provided, and the L-shaped tip portions of both projecting portions are provided inwardly so that the horizontal projecting plate portions approach each other. The rack according to claim 1, wherein the notch is provided in a pair of left and right and symmetrically so that the pair of left and right L-shaped tip portions can be fitted simultaneously.   The sub-beam material is folded inward from the horizontal top plate portion, the left and right vertical side plate portions that are bent downward from the left and right sides of the horizontal top plate portion, and the lower side sides of the left and right vertical side plate portions. The left and right pair of projecting portions are formed by extending the left and right vertical side plate portions and the horizontal overhanging plate portion in the length direction of the sub-beam material. The rack according to claim 2.   The beam material includes a pair of upper and lower outer horizontal plate portions, a grooved plate portion disposed between the pair of upper and lower outer horizontal plate portions and having a recessed groove portion opened outward, and the pair of upper and lower outer horizontal plate portions. A pair of upper and lower inclined plate portions that connect the outer sides of the upper and lower horizontal plate portions of the groove plate portion, and the intermediate horizontal plate portion is a horizontal plate portion on the upper side of the groove plate portion. The rack according to any one of claims 1 to 3, wherein the vertical plate portion is a vertical plate portion that connects inner sides of upper and lower horizontal plate portions of the channel plate portion.   Of the pair of upper and lower outer horizontal plate portions, a vertical projecting plate portion that is bent inward from at least the inner side of the upper outer horizontal plate portion is formed on the beam material. When the sub-beam material supported by the notch portion moves upward and the L-shaped tip end portion of the protrusion portion is separated upward from the notch portion, the base portion of the protrusion portion is the vertical projecting plate portion. The rack according to claim 1, wherein the rack is configured to abut against the rack.

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