JP4244199B2 - Rack frame structure - Google Patents

Description

  The present invention relates to a frame structure of a rack used as an article storage and storage shelf.

  As a rack of this type of frame structure, as shown in FIG. 1, vertical partitioning vertical frames 1 are erected at appropriate intervals in the rack length direction, and rear column members 2 of each partitioning vertical frame 1 are provided. A structure in which two members are connected by a horizontal connecting member 3 and a brace 4 in a vertical plane direction is known. Further, as indicated by phantom lines in FIG. 1, the front support members 5 of each partition vertical frame 1 are connected by a horizontal connecting member 6 at a height that does not interfere with loading and unloading as necessary. The two front strut members 5 and the two rear strut members 2 are connected to each other at the same level as the horizontal connecting member 6 by two horizontal plane braces 7.

  In the conventional rack having the above-described frame structure, as shown in FIG. 2, a gusset plate 8 is fixed to the rear side surface of the rear column member 2 by a plurality of bolts and nuts 9. The mounting ends 4a of the braces 4 in the vertical plane direction are coupled to the four corners by bolts and nuts 10, respectively, and the mounting ends 3a of the horizontal connecting member 3 are respectively provided with two bolts at the center of the left and right sides of the gusset plate 8. It was connected by a nut 11. In such a configuration using the conventional gusset plate 8, the gusset plate 8 is not only large and expensive, but also the attachment of the gusset plate 8, the horizontal connecting material 3 to the gusset plate 8, A large number of bolts and nuts are required to attach the connecting member such as the brace 4, and much labor and time are required for the assembly, which increases the cost of the entire rack.

In order to solve the conventional problems as described above, as described in Patent Document 1, mounting of connecting members such as horizontal connecting members and braces on the right and left sides of the surface of the support member without using any gusset plate A configuration was considered in which the end portions were stacked and directly attached with a single common coupler (such as a bolt and nut).
JP 2001-287815 A

  However, in the improvement method as described in Patent Document 1, it is necessary to secure enough space to allow the bolts to pass through the left and right sides of the column material, and the columns are arranged on the left and right sides of the column material. Attachment end portions of connecting members such as horizontal connecting members and braces are close to each other. Accordingly, it is necessary to increase the lateral width of the support material or to make the attachment end of the connecting member as small as possible, which causes various restrictions in implementation and cannot be said to be sufficiently improved in practice. It was.

An object of the present invention is to provide a frame structure of a rack that can solve the conventional problems as described above, and the means thereof is indicated by reference numerals of embodiments to be described later. The vertical frame 1 is erected at appropriate intervals in the rack length direction, and the column members 2 and 5 of each vertical frame 1 are connected by connecting members such as the horizontal connecting member 15 and braces 18 and 33. The connecting plates 24A and 24B are attached to the surfaces of the connecting members mounting positions of the support members 2 and 5 by fastening members 31, and the connecting plates 24A and 24B are laterally extended from the support members 2 and 5. In the rack frame structure in which the attachment end portions 16 and 23 of the connecting member are attached to the protruding portions 28 protruding sideways by the couplers 32, the connecting plates 24A and 24B are formed by cutting and raising at right angles. At least two projecting pieces 26 are provided, and at least two engaging holes 30 into which the projecting pieces 26 are respectively fitted are provided on the surfaces of the connecting members mounting positions of the support members 2 and 5. When one projecting piece 26 and at least two engaging holes 30 are fitted to each other, each one of the mounting holes 25 and 29 concentrically matching each other is connected to the surface of the support member 2 and 5 at the connecting member mounting position. The connecting plates 24A and 24B are provided on the connecting plates 24A and 24B, and the connecting plates 24A and 24B are inserted into the mounting holes 25 and 29, so that the connecting plates 24A and 24B are surfaces of the connecting members mounting positions of the support members 2 and 5. It is the structure concluded to .

When the present invention having the above-described configuration is implemented, the engagement hole 30 can be a vertically long engagement hole along the length direction of the support members 2, 5. According to a third aspect of the present invention, the protruding piece 26 is provided at a point-symmetrical position about the mounting hole 25 of the connecting plate 24A, 24B, and the support plate 24A, 24B is positioned in the left or right direction. It can be attached to the surface of the connecting member attachment position of 2,5 .

Further, according to a fourth aspect of the present invention, the protruding pieces 26 are provided at the left and right corners of the upper and lower sides of the connecting plates 24A and 24B, respectively, so that the four protruding pieces 26 can be fitted separately. Four engagement holes 30 can be provided .

Regarding the connection between the protrusions 28 of the connecting plates 24A and 24B and the connecting member, when the horizontal connecting member 15 and the brace 18 in the vertical plane direction are attached to the protrusions 28 of the connecting plate, as in claim 5. In addition, the mounting end 16 of the horizontal connecting member 15 and the mounting end 23 of the brace 18 in the vertical plane direction are overlapped with each other, and attached to the protrusions 28 of the connecting plates 24A and 24B by one common coupler 32. When the horizontal connecting member 15 and the horizontal brace 33 at the same level as the horizontal connecting member 15 are attached to the projecting portions 28 of the connecting plates 24A and 24B, as described in claim 6 , The mounting end 16 of the horizontal connecting member 15 is attached to the protrusions 28 of the connecting plates 24A and 24B by a single coupler 32, and the brace 33 in the horizontal plane direction is positioned near the end of the horizontal connecting member 15. The Tsuketan portion 33a may be attached by fasteners 34 of the vertical orientation.

  According to the frame structure of the rack according to the present invention having the above-described configuration, by using a connecting plate in place of the conventional gusset plate, the mounting end portion of the horizontal connecting member and the mounting end portion of the brace are separated from the column member laterally outside. It is not necessary to secure a space for attaching a connecting member such as a horizontal connecting member or a brace on the left and right sides of the column member. Therefore, there is no restriction that the lateral width of the support member must be widened or the attachment end portion of the connecting member must be formed as small as possible, and the implementation can be performed very easily and easily. In addition, the connecting plate that replaces the conventional gusset plate is attached to the column material with a single fastening device, and may be provided with a protruding piece that stops rotating around the fastening portion. In addition, it can be configured at low cost and can be easily attached to the support material, which can be used to reduce the cost of the entire rack.

In addition, although the present invention described in claim 1 can be specifically implemented as described in claims 2 to 4, a horizontal connecting member and a brace in a vertical plane direction are connected to the connecting plate. According to the configuration of the fifth aspect of the present invention, the number of couplers can be reduced as compared with the case where the horizontal connecting members and the braces in the vertical plane direction are attached with different couplers. In addition, the labor and time required for installation can be reduced. Moreover, when attaching a horizontal connection material and the horizontal plane brace which is the same level as the said horizontal connection material to the protrusion part of the said connection board, according to the structure of Claim 6 , the edge part of the said horizontal plane brace Without being particularly processed so that it can be attached to the projecting portion of the connecting plate in the vertical plane direction with a horizontal front-and-rear-facing fixture. The end of the horizontal plane brace can be indirectly coupled to the connecting plate, and it is not necessary to prepare a special connecting plate for the specially processed horizontal plane brace or the horizontal plane brace.

  A specific embodiment of the present invention will be described below with reference to FIGS. 3 to 7. The rear column material 2 and the front column material 5 constituting the partitioning vertical frame 1 are lip-shaped channel steel lips. The protrusion 13 has a convex cross section in which protruding plate portions 14 that are parallel to each other protrude outward from the inner side of the portion 13. The horizontal connecting member 15 corresponding to the conventional horizontal connecting member 3 shown in FIG. 1 and FIG. 2 is capable of surface contact of one end of a round pipe on one virtual plane where the pipe can come into contact with line contact. As shown in FIG. 6, the attachment end portions 16 formed integrally by flattening toward one side with respect to the center of the pipe are integrally formed. Two mounting holes 17 are provided.

  The brace 18 corresponding to the conventional vertical brace 4 shown in FIG. 1 and FIG. 2 has a nut 20 threaded through both ends of a tension rod 19 fixed to one end and one near the other end. It is provided with a mounting end portion 23 composed of a mounting plate 22 provided with a mounting hole 21 (see FIG. 6), and is configured such that the tension rod 19 and the nut 20 do not protrude inward from the inner surface of the mounting plate 22. Yes.

  Connecting plates 24A and 24B are used when the horizontal connecting member 15 and the brace 18 are joined to the support members 2 and 5. Each of the connecting plates 24A and 24B is provided with one mounting hole 25 (see FIG. 6) at the center of the central portion that can be brought into contact with the surfaces of the support members 2 and 5, and on both sides of the upper and lower sides inward. A pair of left and right protruding pieces 26 are formed integrally by cutting and raising. The connecting plate 24A used in the places where the horizontal connecting members 15 and the like are arranged on both the left and right sides of the support members 2 and 5 protrudes from the lateral width of the support members 2 and 5 to the left and right sides and has one mounting hole 27 respectively. (See FIG. 6) A pair of left and right protrusions 28 provided integrally (see FIG. 6), and as shown in FIG. 7, the horizontal connecting member 15 or the like is disposed only on one of the left and right sides of the support members 2 and 5 The projecting portion 28 is integrally extended only on one side of the connecting plate 24 </ b> B used in the above.

  On the other hand, one attachment hole 29 is provided at the center of the surface at the level where the horizontal connection members 15 of the support members 2 and 5 are attached, as shown in FIG. 6, and this attachment hole 29 and the connection plate 24A, When the mounting holes 25 of 24B are matched, the four protruding pieces 26 of the connecting plates 24A, 24B are fitted, and the protruding portions 28 of the connecting plates 24A, 24B are oriented horizontally at right angles to the support members 2, 5. Four vertically long engagement holes 30 are provided so that the connecting plates 24A and 24B can be positioned so as to protrude to the right.

  Thus, the connecting plates 24A and 24B are attached to the support members 2 and 5 prior to attaching the horizontal connecting member 15 and the like. That is, the connecting plate 24A is fitted at the positions where the horizontal connecting members 15 and the like are arranged on both the left and right sides of the support members 2 and 5, and the four protruding pieces 26 are fitted into the four engaging holes 30 on the support members 2 and 5 side. In such a state, the connecting plate 24A side mounting hole 25 and the supporting column material 2 and 5 mounting hole 29 which are concentrically matched with each other are brought into contact with the surface of the supporting column materials 2 and 5 so that rivets or One fastening tool 31 such as a bolt and nut is inserted and fastened, and the connecting plate 24 </ b> A is fixed to the support members 2 and 5. As shown in FIG. 7, the connecting plate 24 </ b> B is provided at a position where the horizontal connecting member 15 or the like is arranged only on one of the left and right sides of the support members 2, 5, and the protruding portion 28 protruding only on one side thereof is provided in the horizontal connecting member 15. And the like, and it may be attached in the same manner as the connecting plate 24A.

  Although the connecting plates 24A and 24B attached to the support members 2 and 5 as described above are attached by one fastening tool 31, the connecting plates 24A and 24B are provided around the fastening tool 31. Is completely prevented by the fitting of the four projecting pieces 26 and the four engaging holes 30 on the column members 2 and 5 side.

  When the horizontal connecting member 15 and the brace 18 in the vertical plane direction are coupled to the connecting plates 24A and 24B, the mounting end 16 and the brace 18 of the horizontal connecting member 15 are disposed outside the protrusions 28 of the connecting plates 24A and 24B. Are attached in this order, and are attached by a single coupling tool 32 such as a bolt and nut inserted and fastened through the mounting hole 27 of the projecting portion 28 and the mounting holes 17 and 21 of the mounting end portions 16 and 23. The mounting end 16 of the horizontal connecting member 15 and the mounting end 23 of the brace 18 are coupled to the protruding portions 28 of the connecting plates 24A and 24B. In addition, as shown in FIG. 7, of course, for the place where the connecting plate 24B having the protruding portion 28 only on one side is attached, the horizontal connecting material is only applied to the protruding portion 28 on one side of the connecting plate 24B. 15 etc. are combined as described above. Further, the horizontal connecting member 15 is arranged so that the attachment end 16 is on the outer side with respect to the center of the pipe member. Of course, as shown in FIG. 3 and the like, the attachment ends 23 of the two braces 18 are the attachment ends of the horizontal connection members 15 at the places where the braces 18 in the vertical plane direction are arranged on both the upper and lower sides of the horizontal connection members 15. They are coupled by the coupling tool 32 in a state where they are overlapped on the outside of the portion 16.

  As shown in FIG. 7, the brace 18 in the vertical plane direction is not usually attached to the front column member 5, and the brace 7 in the horizontal plane direction indicated by the imaginary line in FIG. 1 is at the same level as the horizontal connecting member 15. A brace 33 corresponding to is attached. In this case, as shown in FIG. 7, the brace 33 in the horizontal plane direction is arranged so that the flat mounting end portion 33a is horizontally oriented, and is connected to the surface of the front column member 5 as described above. The mounting end 16 of the horizontal connecting member 15 is attached to the protrusions 28 of the plates 24A and 24B (the connecting plate 24B in the illustrated example) as described above, and the upper side (or the lower side) of the horizontal connecting member 15 near the end. The mounting end portion 33a of the brace 33 in the horizontal plane direction can be overlapped with each other and can be coupled with a coupling tool 34 such as a bolt and nut in the vertical direction. It should be noted that the rear end portion side of the brace 33 in the horizontal plane direction is vertically oriented at a position near the end portion of the horizontal connecting member 15 on the rear side constructed as described above between the rear support members 2 at the same level. What is necessary is just to couple | bond with the couplers 34, such as a bolt nut.

  When the protruding pieces 26 provided on the connecting plates 24A and 24B are to be fitted into the engaging holes 30 of the support columns 2 and 5 as in the above-described embodiment, one protrusion that fits into one engaging hole 30 is provided. Even if only the piece 26 is provided, the effect of preventing the connection plates 24A and 24B from rotating can be obtained. However, preferably, at least two projecting pieces 26 are provided at point-symmetrical positions around the mounting hole 25 so that the connecting plates 24A and 24B can be mounted in either the left or right direction, and are also mounted on the column members 2 and 5 side. Engagement holes 30 are preferably provided in at least two locations corresponding to the protruding pieces 26 at point-symmetric positions with the hole 29 as the center.

  The structures of the horizontal connecting member 15 and the braces 18 and 33 are not limited to those shown in the above embodiment.

It is a schematic perspective view which shows the frame structure of a rack. It is a rear view which shows the principal part of the frame structure of the conventional rack. It is a rear view of the principal part which shows one Embodiment of this invention. FIG. It is the same decomposition | disassembly partial vertical side view. FIG. Ru sectional plan view der of the main part showing a brace mounting structure of a horizontal plane.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vertical frame for division 2 Rear side support | pillar material 3,6,15 Horizontal connection material 4,18 Brace 5 of a vertical surface direction Front support material 7,33 Brace 8 of a horizontal surface direction Gusset plate 9,10,11 Bolt nut 16 Horizontal connection Material mounting end portions 17, 21, 25, 27, 29 Mounting hole 23 Brace mounting end portions 24A, 24B Connecting plate 26, 35 Non-rotating protruding piece 28 Connecting plate protruding portion 30 Engaging hole 31 Stopping of rivets, etc. Attachments 32, 34 Joiners such as bolts and nuts

Claims (6)

A rack in which the vertical frames for compartments are erected at appropriate intervals in the rack length direction, and the pillar members of the vertical frames for compartments are connected to each other by a connecting member such as a horizontal connecting member or a brace. A connecting plate is attached to the surface of the connecting member attachment position of the material with a fastening tool, and an attachment end of the connecting member is attached to the projecting portion of the connecting plate projecting laterally from the support material with a connector. In the frame structure of the rack, the connecting plate is provided with at least two protruding pieces formed by cutting and raising at right angles, and the protruding pieces are individually provided on the surface of the connecting member mounting position of the column member. At least two engaging holes to be fitted are provided, and when the at least two projecting pieces and the at least two engaging holes are fitted to each other, each one mounting hole that is concentrically matched with each other is provided. Provided connecting member attachment position of the surface of serial struts and to said connecting plate, fastening the connecting plate by a single fastening member that is inserted into these two mounting holes on the surface of the connecting member attachment position of the strut member The frame structure of the rack. The rack frame structure according to claim 1, wherein the engagement hole is a vertically long engagement hole along a length direction of the support material . The projecting piece is provided at a point-symmetrical position about the attachment hole of the connection plate, and the connection plate can be attached to the surface of the connection member attachment position of the support material in either the left or right direction. The frame structure of the rack according to 2 . The projecting pieces are provided at left and right corners on both upper and lower sides of the connecting plate, respectively, and four engagement holes are provided so that the four projecting pieces can be fitted to each other. 4. The rack frame structure according to any one of 3 above. The projection part of the said connection board is attached to the protrusion part of the horizontal connection material by the one common coupler in the state in which the attachment end part of the horizontal connection material and the attachment end part of the brace of a perpendicular surface direction were accumulated. The rack frame structure according to any one of the above. The connecting end of the horizontal connecting member is attached to the projecting portion of the connecting plate by a single coupler, and a horizontal brace at the same level as the horizontal connecting member is located near the end of the horizontal connecting member. The frame structure of the rack according to any one of claims 1 to 5, wherein the mounting end portion of the rack is attached with a vertically-oriented coupler .