JPH1132881A - Frame for shelf apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To change the vertical position of an intermediate joint for connecting the middle portions of a front and rear supports without disassembling the frame of the shelf. SOLUTION: An intermediate joint 18 for connecting a front support 10 and rear support 12 in the middle consists of a front joint 20 and rear joint 22. Joints 20 and 22 can be fixed separately. To change the vertical position of the intermediate joint 18, both joints 20 and 22 are removed and, with the whole distance of the intermediate joint 18 being reduced, separated from lock holes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shelf device and, more particularly, to a structure of a frame member in which intermediate portions of front and rear columns constituting a frame of the shelf device are connected at the front and rear middle.

[0002]

2. Description of the Related Art Conventionally, in a shelf apparatus, a frame of a large display shelf has a pair of left and right front supports, rear supports, and front and rear connecting members.
It is composed of left and right connecting members. In consideration of storage and transportation of such large display shelves, in Utility Model Registration No. 3031311, a connecting projection is formed on a pillar, and a connecting member and the connecting protrusion are fitted and connected. A large display shelf frame is disclosed. In some cases, the front and rear intermediate connecting members are connected between the front and rear columns by using the locking holes of the shelf brackets formed in the opposing surfaces of the front and rear columns.

[0003]

However, in the large display shelf frame described in Japanese Utility Model Registration No. 3031311 described above, once the assembly is completed, when the vertical position of the front and rear intermediate connecting members is changed, Again, the support and the connecting member must be separated and reassembled, which makes the operation very complicated.

In addition, even when the front and rear intermediate connecting members are connected using the locking holes of the shelf bracket, the vertical position of the front and rear intermediate connecting members cannot be changed unless the shelf body is disassembled. Furthermore, if the locking holes of the shelf brackets are used to connect the intermediate connecting members, the shelf brackets cannot be locked at the position of the intermediate connecting members, and the height of the shelf board is restricted. Become.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and can change the vertical position of the front and rear intermediate connecting members without disassembling the frame of the shelf device. It is an object of the present invention to provide a frame of a shelf device.

[0006]

The present invention solves the above-mentioned problems as follows. (1) In a frame of a shelf device in which upper and lower portions of front and rear columns are connected to each other, an intermediate portion of the front and rear columns is connected to each other by a front and rear intermediate connecting member that can be extended and contracted.

(2) In the first aspect, the front and rear intermediate connecting members are formed of a front connecting member and a rear connecting member in which ends of the front and rear intermediate connecting members are fitted to each other and fixed by bolts and nuts. Features.

[0008] (3) The front connecting member and the rear connecting member according to claim 1, wherein elongated front step connecting holes are formed at ends of the front connecting member and the rear connecting member of the front and rear intermediate connecting members. Are fitted to each other, and are fixed by bolts and nuts using the stepped holes.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a frame of a shelf device according to the present invention will be described with reference to the accompanying drawings.

As shown in FIG. 1, the shelf device of the present embodiment comprises a pair of left and right front supports (10), a rear support (12), and legs.
(14), front and rear connecting members (16), front and rear intermediate connecting members (18), and the like.

A front-rear connecting member (16) is provided between the upper portions of the front column (10) and the rear column (12), and a base (14) constituting a leg (14) is also provided between the lower columns. A leg (15) is erected. Also, not shown in the figure, the left and right front supports
(10) (10) and the rear struts (12) and (12) are connected by connecting rods, respectively, thereby forming a frame of the shelf device.

A front-rear intermediate connecting member (18) is provided between intermediate portions of the front column (10) and the rear column (12). As shown in FIG. 2, the front and rear intermediate connecting members (18) are
0) and a rear connecting member (22). Front connection material (20)
At the front end, two upper and lower hooks (20b) that can be engaged with locking holes (not shown) formed on the rear surface of the front support (10) are protruded. At the rear end of the rear connecting material (22),
The hook (22b) that can be engaged with the locking hole provided on the front surface of 2) is protruded.

Instead of these hooks (20b) (22b), a projection having a large diameter head at the shaft end is provided at the front end of the front connecting member (20) and at the rear end of the rear connecting member (22). And the front strut (1
It is also possible to provide a Daruma hole formed by connecting a large diameter hole and a small diameter hole on the opposing surface of the rear support post (0) and the rear pillar (12), and fix the projection by fitting it into the Daruma hole.

As shown in FIG. 3, the front connecting member (20) has a U-shaped outer fitting portion (20a) into which the front end of the rear connecting material (22) can fit. The front end of the connecting member (22) has a channel-shaped inner fitting portion (22a) inserted into the outer fitting portion (20a). The outer fitting (20a) and inner fitting (22a) have bolts (2
A through hole (25) in the left and right direction through which 4) is inserted is formed (see FIG. 2), and by tightening the nut (26), the two connecting members (20) and (22) are integrated. In this way, the connecting members (20) and (22) are detachable from the front and rear struts (10) and (12), respectively.

Next, a method of using the frame of the shelf device of the present embodiment will be described.

To change the vertical position of the front and rear intermediate connecting member (18) already installed, first, a bolt (24) and a nut
Loosen (26) and remove bolt (24) from through hole (25). Then, the front and rear connecting members (20) and (22) can be slid, and both can freely expand and contract. In this state, the hooks (20b) and (22b) of the connecting members (20) and (22) are
(10) and (12) are cut into the locking holes, so that each connecting member (20) (22) is knocked up using a wooden hammer or the like, so that the hooks (20b) are inserted through the locking holes. Make (22b) free. Next, one of the hooks (20b) (22b) is removed from the locking hole, and the connecting members (20) and (22) are slid so that the intermediate connecting member (1
8) Reduce the overall distance and separate from the locking holes.

After the two connecting members (20) and (22) are separated from the locking holes, they are moved to an arbitrary height and the hooks (20) and (22) of the connecting members (20) and (22) are inserted into the locking holes at that height. 20b) (22b) is locked. At this time, since the connecting members (20) and (22) are in an extensible state, the locking operation of the hooks (20b) and (22b) can be easily performed. Next, the bolt (24) is inserted into the through hole (25), the nut (26) is tightened, and the connecting members (20) and (22) are fixed to each other, and the operation is completed.

As described above, according to the shelf apparatus of the present embodiment, the front and rear intermediate connecting members (18) are connected to the front connecting member (20) and the rear connecting member (18).
(22), and these can be detached, so that the vertical position of the intermediate connecting member (18) can be adjusted without disassembling the frame of the shelf device, contributing to improved workability. I do.

In this embodiment, the front and rear intermediate connecting members are used.
(18) is divided into two parts, but may be divided into three or more parts. Further, as a method of fixing the front connecting member (20) and the rear connecting member (22), a through hole (25) is formed, but for example, a stepped hole having an L-shaped hook-shaped portion is connected to both sides. Drilled into the members (20) and (22), lock the bolts and nuts in the hooks during normal fixing, and move the bolts to the slots when the front and rear intermediate connecting members (18) are contracted. By doing so, the front and rear intermediate connecting member (18) can be expanded and contracted without removing the bolts and nuts.

[0020]

According to the present invention, the following effects can be obtained. (a) According to the first aspect of the present invention, since the front and rear intermediate connecting members for connecting the front and rear struts are composed of the front connecting member and the rear connecting member detachable from the front connecting member, the intermediate connecting member is provided. Can be adjusted without disassembling the frame.

(B) According to the second aspect of the present invention, since the ends of the front and rear connecting members are fitted to each other, the length of the front and rear intermediate connecting members can be changed without separating them. The vertical position can be easily adjusted.

(C) According to the third aspect of the present invention, stepped holes are respectively formed in the front connecting member and the rear connecting member at the ends of the front and rear intermediate connecting members. Since the connecting member is fixed with the bolt and the nut, the front and rear intermediate connecting member can be expanded and contracted without removing the bolt and the nut from the stepped hole.

[Brief description of the drawings]

FIG. 1 is a side view of a frame of a shelf device according to an embodiment of the present invention.

FIG. 2 is an enlarged side view of a main part of a frame of the shelf device according to the embodiment of the present invention.

FIG. 3 is an enlarged vertical sectional view taken along line III-III of FIG. 2;

[Explanation of symbols]

 (10) Front strut (12) Rear strut (14) Leg (15) Base leg (16) Front and rear connecting material (18) Front and rear intermediate connecting material (20) Front connecting material (20b) Locking claw (22) Rear connecting material (22b) Locking claw (24) Bolt (25) Through hole (26) Nut

Claims (3)

[Claims] 1. A frame of a shelf device in which upper and lower portions of front, rear, left and right columns are connected to each other, wherein intermediate portions of the front and rear columns are connected to each other by front and rear intermediate connecting members which can be extended and contracted. And the frame of the shelf device. 2. A front connecting member and a rear connecting member, wherein ends of front and rear intermediate connecting members are fitted to each other and fixed by bolts and nuts. A frame of the shelf device described in the above. 3. An elongated stepped hole is formed at each end of the front and rear connecting members of the front and rear intermediate connecting members, and the front and rear connecting members are fitted to each other. 2. The frame of a shelf device according to claim 1, wherein the frame is fixed with a bolt and a nut using the stepped hole.