JPH0340163Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement of a foldable shelf device.

[Conventional technology]

The applicant of the present application first proposed a foldable shelf device for convenient storage and transportation when not in use, as disclosed in Japanese Utility Model Publication No. 19009/1983.

That is, in this conventionally proposed collapsible shelf device, each pair of left and right columns stands up at the four corners, and each of these columns consists of a rotating cover that is rotatably inserted into the central rod. The cover alternates between a rotating cover that is connected only to the beam installed between the left and right columns, and a rotating cover that is connected only to the support stand that is installed between the opposing left and right columns. The support plate is provided with a support piece with a step on the inside, and a support plate is placed on the support piece to form a shelf, and when the support plate is removed, the rotating cover can be rotated and folded. It consists of a configuration like this.

Therefore, according to the above-mentioned conventional proposal, when in use it is formed into a box shape and can be used as a display shelf for a large number of products, but when not in use it can be folded into a flat state and takes up less space when transporting or storing it. This has the advantage of being less subject to restrictions and more convenient.

[Problem that the invention attempts to solve]

However, when implementing the above-mentioned proposal, there are disadvantages in that it is not possible to reduce the number of parts and it is not possible to expect speedy work.

That is, the pillars standing up at the four corners consist of rotating covers that are rotatably inserted into the central rod, but the rotating covers are connected only to the beams installed between each pair of pillars on the left and right sides. In addition to the rotating cover that is connected to the supporting base installed between the opposing left and right pillars, two types of rotating cover members are required to form the rotating cover. Therefore, there is an inconvenience that it is not possible to reduce the number of parts.

In addition, the support base is connected to the rotating cover by welding, and a support piece with a step on the inside must be fixed to the support base by welding, which reduces the number of welding points. There is an inconvenience in that it is not possible to speed up the work when implementing the desired shelving device.

Therefore, in view of the above-mentioned circumstances, the present invention aims to provide a new foldable shelf device that can reduce the number of parts and speed up the work when implementing it. purpose.

[Means for solving problems]

In order to solve the above-mentioned problems, the structure of the foldable shelf device according to the present invention is designed such that the structure of the foldable shelf device according to the present invention is such that there are pillars erected at the four corners of the front left and right and rear left and right, and between the front left and right and rear left and right pillars. It consists of a support frame that is constructed in multiple stages, and a connecting member that is installed in multiple stages between each of the left and right front and rear pillars, and the pillars extend in the vertical direction to form the axis of the pillar. a plurality of rod bodies rotatably interposed in the rod body to connect the connecting members and to sandwich the multi-stage support frame at their ends; The support frame has a step on its upper surface in the axial direction to enable support of the plate-like body, and is arranged at the end of the support frame to support the plate-like body. The device includes a locking member that allows contact between the two.

[Effect]

Since the struts rotate around the internal rod body, the front left and right struts are pulled up against the rear left and right struts to form a so-called box shape, and the support plate is placed on the support frame. This makes it possible to form a shelf, and also makes it possible to remove the support plate and press the front left and right columns against the rear left and right columns to make it flat and folded. .

〔Example〕

Hereinafter, the present invention will be explained based on the illustrated embodiments.

When the foldable shelf device according to the present invention is used, it is formed into a box shape as shown in FIG.
When not in use, it is formed to be folded into a flat state as shown in FIG.

That is, as shown in FIG. 1, the present device includes struts 1, 1a, 1b, 1b, and 1d erected at the four corners of the front left and right and rear left and right, and the front left and right and rear left and right struts. 1a, 1b and 1
Support frames 2, 2a, 2b, 2c, 2d, 2e and 2f, 2 are added in multiple stages between c and 1d, respectively.
g, 2h, 2i, 2j and the above left front and rear pillars 1
Connecting members 3, 3a, which are arranged in multiple stages between a and 1c and between the right front and rear columns 1b and 1d, respectively.
3b, 3c, 3d, 3e and 3c, 3g, 3h,
It consists of 3i and 3j.

In this embodiment, as shown in FIG. 3, the pillar 1 includes a rod body 10 that extends in the vertical direction so as to constitute the axis of the pillar 1, and a rod body 10 that is connected to the rod body 10. It is assumed that the rotating body 11 is rotatably interposed. The rod body 10 is
The rotating body 11 is formed to vertically penetrate through the end of the support frame 2, and the rotary body 11 penetrates the peripheral thick part of the hole through which the rod body 10 of the support frame 2 passes from the top and bottom with its end. It is divided into a plurality of pieces so as to be held in place (numerals 11a and 11 in Fig. 1).
b, 11c, 11d).

Therefore, in the column 1, the rotating body 11 is rotatable with respect to the rod body 10, and the support frame 2 itself is also rotatable with respect to the column 1.

Note that the support frame 2a positioned at the top of the support frames 2 is contacted by the upper end of the rotating body 11a from below, but is contacted by the lower end of the cap body 13 from above. It is said that Further, among the support frames 2, the support frame 2e positioned at the lowest stage is contacted by the lower end of the rotating body 11d from above, while the lower end threaded portion 10a of the rod body 10 is contacted from below. The bolt and nut 14 screwed together are brought into contact with each other.

The support frame 2, which is rotatably disposed on the support column 1, is made of a cylindrical body in the present invention, and is formed to be slightly flat, and has a support plate 4, which is a so-called shelf plate, on its upper surface. It has a step 20 that allows it to be placed. As shown in FIG. 4, a locking member 21 is fitted to the end of the support frame, and the locking member 21 functions as a so-called stopper, and the support plate 4 is attached to the support frame. 2, so that it does not fall off from the top surface in a so-called sideslip state.

Further, at the center of the step on the upper surface of the support frame 2, a fifth
As shown in the figure, a round hole 20a is bored, and a pin 22 is detachably inserted into the round hole 20a. The pin 22
When the support frame 2 is elongated and a plurality of support plates 4 are arranged side by side, the support plates 4 are prevented from coming into contact with each other, and when the support plates 4 are made of glass plates, both of them are prevented from coming into contact with each other. It functions to prevent cracking and chipping caused by collisions (see Figure 4).

In addition, as shown in FIG. 6, the lowermost support frame 2e of the support frame 2 formed as described above is provided with a swivel caster 23 to enable the device of the present invention to travel when in use. Care has been taken to ensure that

As shown in FIG. 3, the connecting member 3 is such that its end portion is fixed to the outer periphery of the rotating body 11 constituting the support column 1, and in this embodiment, the connecting member 3 is welded. There is.

Therefore, the connecting member 3 and the support column 1 that connects the connecting member 3 have a so-called ladder-like shape.

Therefore, in the device of the present invention, the front left and right columns 1 are formed into a box shape so as to be raised relative to the rear left and right columns 1, and the support plate 4 is mounted on the support frame 2.
It becomes possible to form a shelf by placing the (see FIG. 1). In addition, by removing the support plate 4 from above the support frame and pressing the left and right columns 1 against the rear left and right columns 1, it is possible to make it into a flat folded state. Become.

In the embodiment described above, the rotating body 1 of the support frame 2
In the clamping mode according to No. 1, as shown in FIG. 3, the upper side wall thickness of the support frame 2 is clamped by the upper and lower rotating bodies 11 (see 2c in FIG. 3).
Instead, like the support frame 2e in FIG. 3, the upper rotating body 11 is in contact with the upper side of the support frame 2, and another member, that is, the rotating body 11 is also in contact with the lower side. Of course, it may also be held in a pinched manner.

[Effect of idea]

As described above, according to the present invention, the support frame is passed through the rod body constituting the support column and is clamped at the end of the rotating body rotatably interposed in the rod body. There is no need to separately prepare a rotating body just for arranging the support frame, and
Since it is not necessary to weld the support frame to the rotating body, there is the advantage of reducing the number of parts, and there is no need for welding work to arrange the support frame, so when forming the desired shelf device, This has the advantage of speeding up the work.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the collapsible shelf device according to the present invention in its used state, Fig. 2 is a perspective view showing its folded state when not in use, and Fig. 3 shows the state in which the support frame is arranged with respect to the pillars. FIG. 4 is a partially enlarged side view showing the connected state of the connecting members; FIG. 4 is a partially broken plan view showing the state in which the support plate is placed on the support frame; FIG. 5 is a partially cutaway view showing the support for the support frame FIG. 6 is a partially enlarged perspective view showing a state in which the plate is placed, and FIG. 6 is a partially enlarged front view showing a state in which casters are attached to the support. 1... Support column, 2... Support frame, 3... Connecting member,
4...Support plate.

Claims (1)

[Scope of claim for utility model registration] (1) Support columns erected at the four corners of the front left and right and rear left and right, support frames installed in multiple stages between the front left and right and rear left and right columns, and connecting members disposed in multiple stages between each of the front and rear columns, and each of the columns includes a rod extending vertically and penetrating the multi-stage support frame so as to constitute the axis of the column. and a plurality of rotating bodies rotatably interposed in the rod body to connect the connecting member and to sandwich the multi-stage support frame at their ends, and The support frame has a step on its upper surface in the axial direction to enable support of the plate-shaped body, and has a locking member disposed at the end thereof to allow the end of the plate-shaped body to come into contact with the support frame. The plate-like body is formed to form a shelf when the plate-like body is placed on the support frame, and to be foldable when the plate-like body is removed from the support frame. A foldable shelf device that is characterized by: (2) A foldable shelf device according to claim 1, wherein the support frame is formed of a cylindrical body, and a locking member is fitted to the end of the support frame. (3) The foldable device according to claim 1, wherein the support frame is arranged so that the peripheral thick part of the hole through which the rod body is penetrated is held by the rotary body from above and below. shelving device. (4) The foldable shelf device according to claim 1, wherein the support plate is made of a glass plate.