JPH0670628U - Prefabricated table - Google Patents

Abstract

(57) [Summary] [Purpose] A top plate made of cardboard and other cardboard.
The present invention relates to a prefabricated table in which a leg body (20) formed by interlocking a plurality of leg plates (2) and (2) with each other in an interlocking manner is attached to (1), which enhances the strength of the top board and the leg body. Make it easy to assemble (20) to the top plate (1). [Structure] The upright portions (3a) (3a) and tongues (3) (3) (which project horizontally and in the same direction) from the upright portions (3a) (3a) at predetermined positions on the upper end sides of the leg plates (2) constituting the leg body (20) 3) is provided, and on the back surface of the top plate (1) corresponding to each tongue piece (3), a recess (10) (10) having a size capable of accommodating the tongue (3) and opening downward is formed, and each recess ( A bag-shaped recess (13) following this recess is provided on the side edge of the tongue piece (3) in the protruding direction of (10), and the bag-shaped recess (1) is provided on the other side edge.
A lid plate (11) which can be freely attached and detached is provided on the upright portion (3a) of the tongue piece (3) housed in 3).

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an assembling table, and more particularly, to an assembling table using a cardboard board material such as corrugated paper.

[0002]

[Prior art and problems]

 As an assembling table using a board made of cardboard, the one disclosed in Japanese Utility Model Publication No. 63-37871 was proposed. In this product, the top plate and the leg plate are assembled without screwing, and even if the top plate and the legs are flat, they can be assembled without rattling.

However, in this structure, since a pair of flat plate-shaped leg plates that are bite in a cross shape are fitted with the cross-shaped upper end sides, a concave groove that crosses in a cross shape is provided on the back surface of the top plate. There is a problem that the top plate is easily bent along the concave groove and lacks in strength. Further, in this product, the tongue piece provided on the upper end side of the leg plate must be inserted into the bag-like recess provided following the recess groove while the upper end side of the leg plate is fitted in the recess groove. Since it is not present, there is a problem that it is difficult to assemble the leg plate to the top plate.

The present invention has been made in order to solve such a problem, and describes "a leg (20) in which a plurality of leg plates (2) and (2) are interdigitated with each other on a top plate (1). ) Is attached to the top plate, the strength of the top plate is increased and the legs (20) are easily attached to the top plate (1).

[0005]

[Technical means]

 The technical means of the present invention for solving the above-mentioned problem is to "project upright parts (3a) (3a) at predetermined positions on the upper end side of each leg plate (2) constituting the leg body (20). At the same time, project the tongues (3) (3) horizontally and in the same direction, and attach the tongues (3) (3) to the back of the top plate (1) corresponding to each tongue (3) (3). 3) Recesses (10) and (10) that are large enough to accommodate (3) and open downward are formed in the recesses (10) and (10) in the protruding direction of the tongue pieces (3) and (3). The side edge is provided with a bag-shaped recess (13) (13) following this recess, and the lid plates (11) (11) are connected to the other side edges of the recess (10) (10) so as to be openable and closable. Then, when the lid plates (11) (11) are closed, a part of the periphery of the lid plates (11) (11) continues to the base end of the tongue pieces (3) (3) housed in the bag-shaped recesses (13) (13). It is arranged so as to be in contact with the upright portions (3a) (3a) ”.

[0006]

[Action]

 The above technical means act as follows. Since the pair of leg plates (2) (2) are interlocked with each other to form the leg body (20), the leg plates (2) (2) do not shift from each other in this bite state. Open the lid plates (11) (11) on the back side of the top plate (1) with the tongues (3) (3) protruding horizontally from the predetermined position of the cross-shaped upper edge of the leg (20). In this state, it is fitted into each recess (10). After that, sliding the tongues (3) (3) toward the bag-shaped recesses (13) (13) continuous with the recesses (10) (10), the tongues (3) (3) ) Will be stored in the bag-shaped recesses (13) (13).

When the lid plates (11) (11) are closed in this housed state, a part of the peripheral edge of each lid plate (11) rises upright (3a) at the base end of the tongues (3) (3). ) Contact (3a). Therefore, the tongue pieces (3) and (3) are always pushed into the bag-shaped recesses (13) and (13) by the lid plates (11) and (11), and the tongue pieces (3) and (3) are maintained. 3) (3) is retained in the bag-shaped recesses (13) (13) in a state that it does not come off. As a result, the leg body (20) is attached to the top plate (1).

Since the positions and sizes of the bag-shaped recesses (13) and (13) are matched with those of the tongues (3) and (3), the tongues (3) and (3) have the bag-shaped recesses (13). ) (13) Does not rattle. To remove the leg plates (2) (2) from the top plate (1), open the lid plates (11) (11) and then attach the tongues (3) (3) to the bag-shaped recesses (13) (13). Slide in the direction of the recesses (10) (10). Then, the tongue pieces (3) (3) can be easily escaped from the bag-shaped recesses (13) (13) into the recesses (10) (10). The leg plates (2) and (2) can be easily removed from the top plate (1) by pulling out the pieces (3) and (3).

[0009]

【effect】

 On the back surface of the top plate (1), at the position corresponding to the tongue pieces (3) (3) provided on the cross-shaped upper end side of the leg body (20), the recesses (10) (10) and the bag following it are located. Since only the recesses (13) (13) are provided, that is, the top plate (1) does not have a thin portion over a wide range in the diameter direction, a cross groove is formed on the back surface of the top plate (1). The top plate (1) is less likely to bend than the conventional one.

Further, after the horizontal tongues (3) and (3) are once fitted into the recesses (10) and (10), the tongues (3) are inserted into the bag-shaped recesses (13) and (13) that follow. ) (3) can be slid in to store the tongues (3) and (3) in the bag-shaped recesses (13) and (13), so that the legs (20) can be assembled to the top plate (1). Easy to attach. The tongue pieces (3) (3) are retained by the lid plates (11) (11) in the bag-shaped recesses (13) (13) so as not to come off, and also inside the bag-shaped recesses (13) (13). Since it does not rattle, the legs (20) do not come off even if the top plate (1) is lifted up, and there is no inconvenience of rattling during use as a table.

[0011]

【Example】

 Next, the embodiments of the present invention described above will be described in detail with reference to the drawings. In the embodiment of the present invention, the top plate (1) and the legs (20) are made of corrugated cardboard paper having a thickness of about 5 mm. The top plate (1) is made of the corrugated cardboard as shown in FIG. The paper is punched into a disc shape and three sheets are piled up to form a three-layer structure. Below the uppermost disc (1c), the first, second, and The fixing plates (1a) and (1b) are attached and fixed. The diameters of the first and second fixing plates (1a) and (1b) are set to be smaller than that of the uppermost disc (1c).

The first fixing plate (1a) attached to the back surface of the uppermost disc (1c) is formed by punching four rectangular long holes (30) (30), These long holes (30) (30) are opened at positions that divide the circumference into four equal parts, and the long sides thereof are set in a direction orthogonal to the diameter line of the first fixing plate (1a). The length of the long side of the long holes (30) (30) is about twice the height of the tongues (3) (3) provided on the upper end side of the leg (20) described later. Is set to.

The second fixing plate (1b) attached and fixed below the first fixing plate (1a) is a circular plate having the same diameter as the first fixing plate (1a), and the second fixing plate (1a) has the same diameter. As shown in FIG. 2, the plate (1b) has about two minutes of the long holes (30) (30) of the first fixing plate (1a) when it is superposed below the first fixing plate (1a). Make a substantially U-shaped cut (31) in the portion corresponding to the range of 1. As a result, the lid plates (11) and (11) whose base ends correspond to one short side of the long holes (30) and (30) are integrally formed with the second fixing plate (1b). . The lengths of the lid plates (11) and (11) are set so that the free ends of the lid plates (11) and (11) are located slightly inside the notches (31). The gap (W) from the free end of the cover plate (11) to the notch (31) should be approximately the same as the wall thickness of the upright portion (3a) projecting on the upper end side of the leg (20) described later. It is set in. Then, among the notches (31), the notch side parallel to the base end of the lid plate (11) is located at a position corresponding to the diameter line of the second fixing plate (1b) as shown in the figure. In addition to being provided, the lid plates (11) and (11) are respectively formed at positions symmetrical with respect to the center of the second fixing plate (1b). The base ends of the lid plates (11) (11) are set to be bendable.

The first fixing plate (1a) described above is adhered to the back surface of the top plate (1c) of the uppermost layer by aligning the centers and further, the long holes (30) (30) of the first fixing plate (1a). The second fixing plate (1b) is attached to the back surface of the first fixing plate (1a) so that the base end of the lid plate (11) corresponds to one short side of the first fixing plate (1a). As a result, as shown in FIG. 3, about one half of the long hole (30) opened in the first fixing plate (1a) is closed by the second fixing plate (1b), and this closed portion is closed. Becomes a bag-shaped recess (13). Further, a portion corresponding to the remaining one-half of the long hole (30) that appears when the cover plate (11) is opened functions as the recess (10).

Next, the leg body (20) will be described. As shown in FIG. 1, the pair of leg plates (2) and (2) that constitute the leg body (20) are made of corrugated cardboard paper in which both sides of a horizontally long rectangular body are cut out in a substantially arc shape. Supporting pieces (21) (21) are provided at both ends of the upper edge of the leg plate (2), and the upright portions (3a) (3a) are provided at predetermined positions between the supporting pieces (21) (21). 3a) and tongues (3) (3) that extend horizontally from them are projected. In addition, the length between the support pieces (21) (21) matches the diameter of the first and second fixing plates (1a) (1b) described above, and the height thereof is the same as the first fixing plate (1a) (1b). The height of 1a) and the second fixing plate (1b) are aligned with each other.

The upright portions (3a) (3a) are gaps between the free ends of the lid plate (11) formed on the second fixing plate (1b) and the substantially U-shaped notch (31). It is provided on the upper edge of each leg plate (2) (2) corresponding to (W), and its height corresponds to the thickness of the second fixing plate (1b) and its width is the same as the first fixing plate described above. It is set to be slightly smaller than the short side length of the plate (1a) (30). Then, the tongues (3) and (3) are extended in the horizontal direction continuously with the upper ends of the upright portions (3a) and (3a). All of these tongues (3) (3) are projected in the same direction, and the length thereof is equivalent to about one half of the long side length of the elongated hole (30).

In order to engage these leg plates (2) (2), a slit is cut in the center of one leg plate (2) over the upper half part thereof, and at the center of the other leg plate (2). Slits are cut across the lower half, and the width of each slit is made to match the thickness of the other leg plate (2). Therefore, by fitting the slit of one leg plate (2) to the part following the slit of the other leg plate (2), the leg plates (2) and (2) are assembled in a crossing-engaged state, and the leg body ( 20) will be configured. In addition, in this embodiment, in order to ensure the engaged state of the leg plates (2) and (2), the holding legs (6) are fitted and fixed below the legs (20). There is.

To assemble this leg body (20) to the top plate (1), first, as shown in FIG. 3, all the cover plates (11) and (11) of the top plate (1) are opened. Then, in the recesses (10) (10) formed thereafter, the tongue pieces (3) (3) that horizontally project from the upright portions (3a) (3a) of the upper end sides of the leg plates (2) (2). Fit in. In this state, the leg plates (2) and (2) are displaced from each other by a certain angle as compared with the leg plate (20) being normally assembled to the top plate (1). Then, from this state, the leg body (20) is rotated by a predetermined angle so that the tip of each tongue piece (3) moves to the bag-shaped recess (13) side. Then, the tongues (3) (3) are housed in the bag-shaped recess (13) of the top plate (1) as shown in FIG. 4, and in this state, the lid plate (11) ( If (11) is laid down as shown by the chain double-dashed line in the figure, these dimensional relationships are as described above, so the tip of the lid plate (11) is the upright portion (on the base end side of each tongue (3) ( 3a) and (3a) are pressed, and the tongues (3) of each leg plate (2) are all retained in the bag-shaped recess (13) so that they do not come off, and the top plate of the leg (20) is retained. Assembly to (1) is completed.

In this embodiment, since the support pieces (21) and (21) are projected from the both ends of the upper end of each leg plate (2) as described above, the upright portion (3a) is also formed. Since the height of the legs is made to match the thickness of the second fixing plate (1b), when the legs (20) are assembled to the top plate (1), the supporting pieces (21) (21) are Since the top plate of the upper layer is supported and the upper end of the leg plate (2) between them supports the second fixing plate (1b), the top plate (1) is more stably supported. .

If the notch (12) as shown in FIG. 2 is provided at the free end of the cover plate (11), the cover plate (11) can be easily opened and the table after assembly can be easily opened. Since it is easy to pull up the cover plate (11) when disassembling, it becomes easy to disassemble. In this embodiment, the tongues (3) (3) provided on the upper end side of the leg (20) can be simultaneously fitted into the recesses (10) (10) of the top plate (1) and the leg ( 20) By rotating the whole, the tongues (3) (3) can be housed in the bag-shaped recesses (13) (13) at the same time, so the top plate (1) of the leg (20) can be stored. Easy to assemble.

In addition, in this embodiment, the base end portion of the lid plate (11) is connected from the side edge of the recess (10) on the opposite side of the bag-shaped recess (13). As shown in FIG. 5, the lid plates (11) and (11) may be provided on the side edge of the recess (10) other than the bag-shaped recess (13) forming portion. In this case, a gap (W) corresponding to the wall thickness of the upright portion (3a) of the leg (20) is provided between the lid plate (11) and the open end of the bag-shaped recess (13). It is necessary to secure it. In this case, the upright portion (3a) is pushed by the side portion of the cover plate (11) in a retaining state.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention.

FIG. 2 is a bottom view of the top plate (1).

FIG. 3 is a sectional view of a main part of the top plate (1).

FIG. 4 is an explanatory view of the assembled state of the leg plate (2).

FIG. 5 is an explanatory view of a cover plate (11) in another embodiment.

[Explanation of symbols]

 (1) ・ ・ ・ Top plate (10) ・ ・ ・ Recess (11) ・ ・ ・ Lid plate (13) ・ ・ ・ Bag-shaped recess (2) ・ ・ ・ Leg plate (20) ・ ・ ・ Leg body (3) ... Tongue (3a) ... Upright part

Claims (1)

[Scope of utility model registration request] 1. In a prefabricated table comprising a top plate (1) and a leg body (20) in which a plurality of leg plates (2) and (2) are interlocked with each other, the leg body (20) is At a predetermined position on the upper end side of each leg plate (2) to be formed, the upright portions (3a) (3a) are projected, and the tongues (3) (3) are projected from these in the horizontal direction and in the same direction, On the back surface of the top plate (1) corresponding to each tongue (3) (3), a recess (10) (10) which is large enough to accommodate the tongue (3) (3) and opens downward And the bag-shaped recesses that follow the recesses on the side edges of the recesses (10) (10) in the protruding direction of the tongues (3) (3).
(13) (13) is provided, and lid plates (11) and (11) are connected to the other side edges of the recesses (10) and (10) so as to be openable and closable, and the lid plates (11)
When the (11) is closed, a part of the periphery of the bag-shaped recess (13) (1
The upright part (3) following the base end of the tongue pieces (3) (3) housed in (3)
a) A table that can be assembled against (3a).