JPH0334114Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field]

The present invention relates to an improved sectional shelf that can be easily assembled without using any tools or screws.

[Prior art and problems]

2. Description of the Related Art There is a well-known assembly type shelf in which receiving metal fittings are provided at the four corners of a shelf board through which pillars are inserted, and spacers are installed between the pillars and the receiving metal fittings to fix the shelf board at a predetermined height. However, the spacers used to fasten the pillars and the brackets are now of the split type, as seen in Japanese Patent Publication No. 50-25372, or they are fixed to the pipe with a set screw using a tool, or they are fixed to the pipe with a set screw. Many of them have complicated structures, such as opening and bolting, or are extremely inconvenient to handle.

[Means to solve the problem]

Therefore, this invention does not use any tools or screws,
Furthermore, the spacer, which was conventionally divided, has been integrated, eliminating the problems of spacer dislodgement and misalignment that tend to occur with split spacers, and has been completed after various studies to make assembly easier. That is, the column 1 is provided with a plurality of groove-like recesses 4 in the circumferential direction perpendicular to the axis at predetermined intervals in the longitudinal direction of the outer surface of the pipe.
and a shelf board 2 which is provided with a receiving fitting 5 having a wide conical shape at the bottom and through which the pipe is inserted, and a spacer 3 which is installed in the gap between the pipe and the receiving fitting 5. The spacer 3 is integrally molded from synthetic resin, and has a wide cutout 7 on the vertical split surface 10 and thin hinge portions 8 that can be bent by expanding the split surface at predetermined intervals on the back side. , to facilitate engagement and disengagement from the side of the pipe, and the inner surface of the spacer follows the pipe and fits into the groove-like recess 4 of the pipe.
This shelf is characterized by having at least one convex portion 6 fitted on the inner surface thereof, and having a truncated conical integrated spacer on the outer surface extending downwardly along the inner surface of the receiving fitting.

[Effect]

The wide cutout 7 provided on the vertical splitting surface 10 of the integrated spacer as described in the means for solving the above problem and the hinge section on the back side of the cutout 7 allow the cutout to be cut out from the side at any location of the column 1. Just by pressing 7, it can be fitted into column 1 very naturally due to the wedge action.
The convex portion 6 on the inner surface fits into the groove-like recess 4 of the pipe to prevent the bracket 5 from slipping down, making it easy to adjust the height of the shelf board, and stably holding the shelf board 2. .

【Example】

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows the assembled state of the shelf of the present invention, and FIG. 2 is an enlarged perspective view of the P section in FIG. 1. Here, the column 1 is provided with a plurality of groove-shaped recesses 4 in the direction perpendicular to the axis at predetermined intervals in the longitudinal direction of the outer surface of the round pipe, and a height adjustment bolt is attached to the lower end of the column 1. The shelf board 2 is entirely made of wire, and has downwardly wide tapered cylindrical receiving fittings 5 attached to its four corners. A spacer 3 is attached to the pillar 1.
is fitted, and the receiving fitting 5 of the shelf board 2 is fitted and locked to the outer surface of the spacer 3. FIG. 4 shows a cross-sectional view of this locked state, in which a downwardly wide tapered spacer 3 integrally molded with hard synthetic resin is supported by its elastic force on the outer surface of the column 1. Furthermore, the convex portion 6 on the inner surface of the spacer fits into the groove-like recess 4 of the column 1 to prevent it from shifting downward. A receiving metal fitting 5 having an inner surface shape that follows the outer surface taper is fitted onto the outer surface of the spacer 3. That is, the column 1 and the bracket 5 are fixed by the wedge action of the spacer 3, and together with the fitting between the spacer protrusion 6 and the column recess 4, even when a load is applied to the shelf, the shelf does not touch the column. It won't shift against you. Although the shelf board 2 of this embodiment shown in FIG. 1 is made of wire mesh, the purpose of the present invention can be achieved even if it is made of a board material that does not use ordinary wire. However, from the viewpoint of appearance and use, shelf boards made of wire mesh are most suitable for the present invention. Next, the spacer, which is the most distinctive feature of the present invention, will be explained. The spacer 3 of the present invention is integrally molded in the shape of a truncated cone from a hard synthetic resin, has a split surface 10 in the vertical direction, a cutout 7 is provided in the split surface 10, and the inner surface is cylindrical along the outer surface of the pipe. A convex part 6 is provided which fits into a column concave part 4 made of a pipe, and the outer surface is tapered wide downward, and the inner surface of the column 1 in contact with the pipe and the outer surface in contact with the holder 5 form concentric circles. There is. Further, on the back surface of the split surface 10, thin bendable hinge portions 8 are formed at predetermined intervals. That is, since the spacer 3 of the present invention utilizes the wedge action between the bracket 5 and the column 1 as shown in Fig. 4, it can withstand the load of the shelf (usually 200 to 300 kg).
It must not be deformed or crushed by damage, so it is desirable that the cutout be as narrow as possible and that the material be of high strength. However, those with high strength generally have low elasticity and are brittle. Furthermore, even if the pillar 1 is of high strength and elasticity, the lower part is tapered and thick, so unless the cutout part 7 is widened excessively, the pillar 1 cannot be detached from the side surface of the pipe by hand. Have difficulty. Therefore, in the past, there was no choice but to use separate products that were inconvenient to handle. Although the spacer of the present invention is made of a one-piece hard synthetic resin that can withstand heavy loads, it has a cutout 7 on the split surface 10 to facilitate engagement and disengagement, and a thin bendable hinge on the back of the split surface 10. Since the portions 8 are provided at predetermined intervals, it becomes extremely easy to engage and disengage from the side surface of the column 1. In addition, with such shelves, it is often necessary to change the height of the shelf board 2 or disassemble it due to changes in the items on it or changes in the layout, so anyone can use tools anywhere. It is hoped that it can be disassembled without
The shelf of the present invention meets that purpose. Some conventional snap springs can be engaged and detached from the side, but this can only be done by skilled workers at the factory using special tools, and since the shape is a thin plate, it originally has a large amount of elasticity. It has the following. Furthermore, the frequency of engagement and disengagement is extremely low. The spacer of the present invention has a truncated conical shape that has little elasticity and cannot be engaged or detached from the side, but it can be easily engaged and detached from the side repeatedly without using any tools. This spacer has a shape as shown in FIG. 3, and can be fixed to the column 1 with a single touch, eliminating any fear of the spacer coming off or shifting when inserting the shelf board 2. In addition, if the spacer of the intermittent inner surface convex part 6 is combined with the intermittent concave part of the column as shown in Figs. 6 to 8, when moving the spacer, simply twisting the spacer by about 90 degrees will result in the state shown in Fig. 9. This makes it extremely easy to move up and down. Furthermore, pillar 1
The cutout part 7, which is wide enough to engage and release the spacer 3, slides along the outer surface of the pipe due to the wedge action, and the split surface 10 opens wide due to the deformation of the hinge part 8.
It is very easy to fit and remove directly from the side of the pillar near a predetermined position. The purpose can be achieved if the spacer has one or more inner surface protrusions 6 on its inner surface. The cross-sectional shape of the inner surface convex portion can be arbitrarily selected, such as a semicircular shape as shown in FIGS. 5b and 7b, or an upwardly tapered triangular shape as shown in FIG. 6b. In particular, the triangular shape shown in FIG. 6b is easy to remove upward, and has good stability and operability without falling downward. Moreover, the concave portion 4 of the column may be formed in accordance with the shape of the convex portion 6 on the inner surface of the spacer. Next, fitting of the spacer of the present invention will be explained. FIG. 9 is a cross-sectional view of a spacer in which a cutout 7 is provided in a part of the split surface 10 and is fitted to a pipe in a temporary position. First, place spacer 3 on pillar 1.
When the cutout part 7 of the split surface 10 is pressed against the pillar 1 and pressed lightly, the thin hinge part 8 is deformed by the wedge action, and the spacer 3 is expanded by the expansion of the split surface 10. It is fitted to the pillar 1 in a temporary position.
After that, if you slide and rotate it either up or down,
The convex portion 6 of the spacer 3 fits into the groove-like recess 4 of the column 1, so that the spacer 3 is locked in a predetermined position. The groove-like recess 4 of the pillar 1 is not formed all around the circumference in the direction perpendicular to its axis, but is formed intermittently as shown in FIG. 9, and when the spacer 3 shown in FIGS. No matter where the spacer 3 is temporarily fitted, it can be slid to a predetermined position and locked at the predetermined position. Also, when moving the spacer 3 after locking, there is no need to remove the spacer 3 from the pillar 1, and it can be slid to either the upper or lower position by rotating it. Here, as is clear from this figure, it is desirable that the width between the cutout parts 7, 7 of the split surface 10 be as narrow as possible from the viewpoint of the stability of the receiving metal fitting 5. However, the necessary width of the cutout 7 is correlated with the strength of the hinge 8, and if the hinge 8 is extremely weak, the cutout 7 will not have the locking force that allows it to be manually engaged and detached even if the width is narrow. It becomes weak and may shift or come off when the receiving metal fitting 5 is fitted. If the hinge portion 8 is extremely strong, the split surface 10 and the width between the cutout portions 7, 7 must be increased to almost the diameter of the column 1 to be fitted, in order to fit easily by hand. As mentioned above, there are problems with the stability of the receiving metal fitting 5, etc. Therefore, it is preferable to have the hinge portion 8 and the cutout portion 7 as shown in the figure.

[Effect of the idea]

As described above, by using the integrated spacer of the present invention, there is no spacer dislodgement or misalignment that tends to occur with split spacers, and a stable shelf that is easier to assemble than ever before has been created. be.

[Brief explanation of drawings]

FIG. 1 is a perspective view of the entire shelf, FIG. 2 is an enlarged perspective view of section P in FIG. 1, and FIG. 3 is a perspective view of a spacer.
FIG. 4 is a longitudinal cross-sectional view of the P section, FIG. 5 a is a cross-sectional view of the spacer, and FIG. 5 b is a vertical cross-sectional view of the spacer. 6th ~
FIG. 8 is a diagram showing another example of the spacer, and the sixth
Figures a, 7a and 8a are cross-sectional views, Figures 6b and 7b are longitudinal sectional views, and Figure 8c is a perspective view. FIG. 9 is a cross-sectional view when the spacer is engaged and disengaged. DESCRIPTION OF SYMBOLS 1... Column, 2... Shelf board, 3... Spacer, 4... Recessed part of pillar, 5... Bracket, 6... Inner surface convex part of spacer,
7... Defect part, 8... Hinge part, 9... Taper part, 1
0…Cut side.

Claims (1)

[Scope of utility model registration request] a column 1 provided with a plurality of groove-like recesses 4 in the circumferential direction perpendicular to the axis at predetermined intervals on the longitudinal direction of the outer surface of the pipe; a shelf board 2 provided with a receiving fitting 5 having a wide conical shape at the bottom and into which the pipe is inserted; In a shelf consisting of a spacer 3 installed in the gap between a pipe and a receiving metal fitting 5, the spacer 3 is integrally molded with synthetic resin and has a wide cutout 7 on a vertical split surface 10. ,
At least one or more convex portions 6 having thin hinge portions arranged at predetermined intervals that can be bent by expanding the split surface on the back surface, and whose inner surface follows the pipe and fits into the groove-like recess 4 of the pipe. is provided on the inner surface, and the outer surface has a spacer that is removable from the side surface of a truncated conical integral pipe that is wide downward along the inner surface of the receiving metal fitting.