JP3184082U - Cardboard assembly chair - Google Patents

Abstract

Provided is a cardboard assembly chair which is excellent in portability before and after use and has no fear of being lost, and can be easily assembled and used at the time of use.
A corrugated cardboard assembly chair (1) comprising a long cylindrical seat member (2), a pair of plate-like first leg members (3) and a plate-like second leg member (4) assembled with each first leg member (3). In the state where the cardboard assembly chair 1 is not used, the first leg member 3 and the second leg member 4 are housed inside the long cylindrical seat member 2.
[Selection] Figure 5

Description

  The present invention relates to a corrugated cardboard assembly chair composed of corrugated cardboard. In particular, the corrugated cardboard is excellent in portability before and after use, and there is no risk of losing it. It relates to an assembly chair.

  Conventionally, various types of assembly chairs formed of cardboard have been proposed. For example, in Design Registration No. 1182715, a main body member that is formed in a long shape and has a seat portion and a leg support portion; A corrugated cardboard assembly chair composed of plate-like leg members inserted into two notches formed in the leg support portion is described, and the corrugated cardboard assembly chair is shown in the reference diagram of Design Registration No. 1182715. After assembling as described in 1-5, a disk-shaped seat board is mounted in a seat part, and an assembly is completed.

Design Registration No. 1182715

  However, the corrugated cardboard assembly chair described in Patent Document 1 has a simple structure that is assembled from one main body member in which a seat portion and a leg support portion are integrally formed and three members of two leg members. However, in order to be able to assemble at any time, it is necessary to collect the three members together and store them in another storage bag, container or the like.

  Moreover, after using the assembly chair, it is necessary to disassemble it into three members and store it again in the original storage bag, container, etc. for the next use.

  In such a case, as the number of times of use is increased, there is a risk that the storage bag, container, etc. will not be known, and the assembly chair itself will eventually be lost.

  The present invention has been made to solve the above-mentioned conventional problems, and is excellent in portability before and after use, and has no risk of being lost, and can be easily assembled and used at the time of use. An object is to provide an excellent cardboard assembly chair.

  In order to achieve the above object, a cardboard assembly chair according to claim 1 includes a long cylindrical seat member, a plate-like first leg member, and a plate-like second leg member assembled with the first leg member. A cardboard assembly chair is provided, wherein the first leg member and the second leg member are housed in the long cylindrical seat member when the cardboard assembly chair is not used.

  The corrugated cardboard assembly chair according to claim 2 is the corrugated cardboard assembly chair according to claim 1, wherein the first fitting slit formed in each of the pair of first leg members and the two second mat members formed in the second leg member. 2 fitting slits, and the first fitting slits of the first leg members are fitted into the second fitting slits of the second leg member, and the first leg members and the second leg members A grid-like leg is formed.

  The cardboard assembly chair according to claim 3 is the cardboard assembly chair according to claim 2, wherein the cardboard assembly chair is formed on one surface of the seat member, and is cut and raised from a first position that is flush with one surface of the seat member and one surface of the seat member. A pair of cut and raised pieces formed movable between the second position and a third fitting slit formed in each of the cut and raised pieces, and the second leg member of the leg portion includes the cut and raised pieces. The raised piece is fitted in each of the third fitting slits in a state where it is in the second position.

  The corrugated cardboard assembly chair according to claim 4 is the corrugated cardboard assembly chair according to claim 3, wherein the second leg member of the leg portion is fitted in the respective third fitting slits, and It is characterized by being in contact with one surface of the first leg member.

  The corrugated cardboard assembly chair according to claim 5 is the corrugated cardboard assembly chair according to claim 3 or claim 4, wherein a wide portion is formed at an end edge of each of the second fitting slits. The leg member is fitted into a third fitting slit of each cut and raised piece through the wide portion.

  In the corrugated cardboard assembly chair according to claim 1, the plate-shaped first leg member other than the seat member constituting the corrugated cardboard assembly chair and the plate-shaped second leg assembled with the first leg member in a state where the cardboard assembly chair is not used. Since the member is housed inside the long cylindrical seat member, it is possible to provide a corrugated cardboard assembly chair that is excellent in portability before and after use and has no risk of loss.

  In the corrugated cardboard assembly chair according to claim 2, lattice-like leg portions are formed simply by fitting the first fitting slits of the pair of first leg members to the second fitting slits of the second leg member. Therefore, it can be assembled easily. Further, the leg portion is excellent in strength due to its lattice structure, can withstand a large load, and is excellent in durability.

The cardboard assembly chair according to claim 3 is formed on one surface of the seat member, and is movable between a first position that is flush with one surface of the seat member and a second position that is cut and raised from one surface of the seat member. A pair of cut and raised pieces and a third fitting slit formed in each cut and raised piece, and the second leg member of the leg portion is in a state where the cut and raised pieces are in the second position. Since it is fitted to the 3 fitting slit, the seat member and the leg member can be assembled to each other only by fitting the second leg member of the leg portion to the third fitting slit of each cut and raised piece, As described above, the entire cardboard assembly chair can be easily assembled together with the ease of assembly of the leg members.
Here, each cut and raised piece guides and supports the plate-like second leg member when and after the second leg member of the leg portion is fitted into the third fitting slit of each cut and raised piece. The durability of the connecting portion between the seat member and the leg portion can be improved.

  In the corrugated cardboard assembly chair according to claim 4, the cut and raised pieces are in contact with one surface of each first leg member in a state where the second leg member of the leg portion is fitted to each third fitting slit. Each cut and raised piece supports and reinforces each plate-like first leg member, thereby further improving the durability of the connecting portion of the seat member and the leg portion.

  In the corrugated cardboard assembly chair according to claim 5, a wide portion is formed at an end edge portion of each second fitting slit, and the second leg member of the leg portion has a first portion of each cut and raised piece via the wide portion. 3 is fitted into the fitting slit. At this time, the wide part of the second fitting slit smoothly guides the second leg member toward the third fitting slit, whereby the second leg member and the third fitting slit of each cut and raised piece The seat member and the leg can be easily assembled by facilitating the connection.

It is a perspective view of the cardboard assembly chair concerning this embodiment. It is a perspective view of a seat member. It is an expanded view of a seat member. It is a top view of a top pad. It is explanatory drawing which shows the formation process of a seat member typically. It is a top view of the 1st leg member. It is a top view of the 2nd leg member. It is explanatory drawing which shows the assembly process of a cardboard assembly chair typically.

DESCRIPTION OF EMBODIMENTS Hereinafter, a corrugated cardboard assembly chair according to the present invention will be described based on embodiments embodying the present invention with reference to the drawings.
As shown in FIG. 1, the cardboard assembly chair 1 according to the present embodiment is assembled with a seat member 2 formed in a long cylindrical shape, a pair of plate-like first leg members 3, and each first leg member 3. It is comprised from the plate-shaped 2nd leg member 4. FIG.

  As shown in FIG. 2, the seat member 2 is formed in a rectangular shape, the short side thereof is connected by the connecting portions 5 and 5, and the long side is opened through the opening portion 6. Yes. Therefore, the seat member 2 is formed in a long cylindrical shape as a whole. Each connecting portion 5 is formed with three ruled lines 7.

  In order to form the seat member 2, first, a seat raw material 8 shown in a developed view in FIG. 3 is formed. The seat raw material 8 is formed by continuously forming three rectangular plate materials having substantially the same size.

Specifically, as shown in FIG. 3, the seat base material 8 includes a central plate 9, a right plate 10 continuously formed on the right side of the central plate 9 via the connecting portion 5, and a left side of the central plate 9. It is comprised from the left board | plate material 11 formed continuously via the connection part 5. As shown in FIG. Here, since three ruled lines 7 are formed in each connecting portion 5, the right plate member 10 and the left plate member 11 can be bent with respect to the central plate member 9.
In addition, since the right board | plate material 10 and the left board | plate material 11 are mutually folded on the both sides of the center board | plate material 9 so that it may mention later, it is formed symmetrically.
Further, as shown in FIG. 3, semicircular rod guide grooves 23 are formed on both side edges of the central plate material 9, the right plate material 10, and the left plate material 11 of the seat base material 8 along the respective center dividing lines. Is formed. The operation of each rod guide groove 23 will be described later.

  The right plate member 10 is formed with a pair of cut and raised pieces 12 that are symmetrical with each other at the center dividing line. Each cut and raised piece 12 cuts the right plate 10 along the convex cutting line 13 and cuts half along the line segment 14 connecting both ends of the convex cutting line 13 (part of the right plate 10 is cut off). It is formed by performing a cutting process that cuts and leaves. Since each cut and raised piece 12 formed in this way is connected to the right plate member 10 at a part of the line segment 14, the first position that is flush with the surface of the right plate member 10 and the right plate member 10. It is movable between the second position cut and raised from the surface (which is substantially perpendicular to the surface of the right plate 10).

  As shown in FIG. 3, each cut-and-raised piece 12 is formed with a fitting slit 15 that is expanded in diameter at the outer edge and extends inward from the outer edge. In the convex cutting line 13, a recess 16 is provided at a position facing the outer edge of the fitting slit 15. The concave portion 16 is used as a finger hook portion for hooking a finger when the cut and raised piece 12 is rotated from the first position toward the second position.

  As in the case of the right plate member 10, the left plate member 11 is formed with a pair of cut and raised pieces 12 that are symmetrical to each other at the center dividing line. Each cut-and-raised piece 12 cuts the left plate member 11 along the convex cutting line 13, and a ruled line is formed along the line segment 14 that connects both ends of the convex cutting line 13. Since each cut and raised piece 12 formed in this way is connected to the left plate 11 at a part of the line segment 14, the first position that is flush with the surface of the left plate 11 and the left plate 11. It is movable between the second position cut out from the surface (which is substantially perpendicular to the surface of the left plate 11).

  As shown in FIG. 3, each cut-and-raised piece 12 is formed with a fitting slit 15 that is expanded in diameter at the outer edge and extends inward from the outer edge. In the convex cutting line 13, a recess 16 is provided at a position facing the outer edge of the fitting slit 15. The concave portion 16 is used as a finger hook portion for hooking a finger when the cut and raised piece 12 is rotated from the first position toward the second position.

  As shown in FIG. 2 (the lower surface in FIG. 2), a top pad 17 (see FIG. 4) is bonded to the upper surface of the seat member 2, and the top pad 17 is formed of reinforced cardboard, and the seat portion It is bonded to one surface of the center plate 9 in the raw material 8 (the surface that becomes the upper surface of the cardboard assembly chair 1).

Next, a process of forming the seat member 2 configured as described above will be described with reference to FIG. In FIG. 5, first, as shown in FIG. 5A, the top pad 17 is prepared below the seat base material 8. Thereafter, using the ruled line 7 of the connecting portion 5 in the seat raw material 8, the right plate 10 with the adhesive applied on the upper surface is folded toward the central plate 9, and similarly, the left plate 11 is connected to the connecting portion. 5 is folded toward the upper surface of the right plate member 10 and the right plate member 10 and the left plate member 11 are bonded together with an adhesive. In addition, the top pad 17 coated with an adhesive is bonded to the lower surface of the central plate member 9. Thereby, the seat member 2 is formed. This state is shown in (B).
In this state, the cut and raised pieces 12 formed on the right plate member 10 and the cut and raised pieces 12 formed on the left plate member 11 are overlapped with each other.

  Furthermore, as shown in (C), by supporting and supporting the support rods 18 provided in the press machine (not shown) in the rod guide grooves 23 of the plurality of seat members 2 formed as described above, Each seat member 2 is set at a predetermined press position in a press machine, and press working is performed.

  As shown in (D), the long cylindrical seat member 2 formed as described above is provided with a pair of members that will be described in detail later through an opening 6 formed on the long side of the seat member 2. A plate-like first leg member 3 and a plate-like second leg member 4 assembled with each first leg member 3 are accommodated.

Next, the first leg member 3 and the second leg member 4 will be described.
First, the pair of first leg members 3 will be described. As shown in FIG. 6, the 1st leg member 3 formed in plate shape has substantially square shape, and the fitting slit 19 is formed along the center dividing line.

  As shown in FIG. 7, the second leg member 4 is formed in a rectangular shape, and two fitting slits 20 are formed at the same distance from the center dividing line. A wide portion 21 is formed outside the end edge portion of each fitting slit 20.

  Here, the outer size of each of the first leg member 3 and the second leg member 4 is the same as the outer size of the central plate material 9, the right plate material 10, and the left plate material 11 in the seat raw material 8 constituting the seat member 2. It is comprised so that it may become. Specifically, the lengths of one side of the first leg member 3 and the short side of the second leg member 4 are the same as the short side lengths of the central plate member 9, the right plate member 10, and the left plate member 11 of the seat member 2. In contrast, the length of the long side of the second leg member is slightly shorter than the long sides of the central plate member 9, the right plate member 10, and the left plate member 11 of the seat member 2.

Next, a procedure for assembling the cardboard assembly chair 1 from the seat member 2, the pair of first leg members 3 and the second leg members 4 configured as described above will be described with reference to FIG. 8.
In FIG. 8, before assembling the cardboard assembly chair 1, as described above, the outer size of each of the first leg members 3 and the second leg members 4 is the central plate material in the seat base material 8 constituting the seat member 2. 9, the right plate member 10 and the left plate member 11 are configured to have the same outer size, and the opening portion 6 of the seat member 2 is slightly expanded outward through the ruled lines 7 of the connecting portion 5. Therefore, the long cylindrical seat member 2 is connected to the pair of plate-like first leg members 3 and the first leg members 3 via the opening 6 formed on the long side of the seat member 2. A plate-like second leg member 4 to be assembled is housed.

  Therefore, in a state where the cardboard assembly chair 1 is not used, the pair of plate-like first leg members 3 other than the seat member 2 constituting the cardboard assembly chair 1 and the plate-like members assembled with the first leg members 3 are assembled. Since the 2nd leg member 4 is accommodated in the inside of the elongate cylindrical seat member 2, the corrugated cardboard assembly chair 1 which is excellent in portability before use and after use, and has no fear of being lost can be provided. .

  When the cardboard assembly chair 1 is assembled, the pair of first leg members 3 and second leg members 4 are taken out of the seat member 2 as shown in FIG. Subsequently, as shown in (B), each first leg member 3 is arranged with its fitting slit 19 on the upper side, and the two fitting slits 20 and 20 of the second leg member 4 are arranged on the respective first. After arrange | positioning so that the fitting slit 19 of the leg member 3 may be opposed, the fitting slit 19 of each 1st leg member 3 and the two fitting slits 20 of the 2nd leg member 4 are mutually fitted. Thereby, as shown to (C), the grid | lattice-like leg part 22 is formed.

  In this way, the lattice-like leg portions 22 are formed simply by fitting the fitting slits 19 of the first leg members 3 to the two second fitting slits 20 of the second leg member 4. The part 22 can be easily assembled. Moreover, the leg part 22 is excellent in intensity | strength from the lattice-like structure, can endure a big load load, and is excellent in durability.

  In parallel with the above, as shown in (D), the top pad 17 of the seat member 2 from which the first leg member 3 and the second leg member 4 are taken out is used as the lower surface, and each cut and raised piece 12 is In a state where the upper plate is in the upper surface, each cut and raised piece 12 is in a second position that is substantially perpendicular to the surfaces of the right and left plate members 10 and 11 from the first position that is flush with the surfaces of the right and left plate members 10 and 11. It is rotated until. This state is shown in (E).

  Thereafter, as shown in (F), the two fitting slits 20 formed in the second leg member 4 constituting the lattice-like leg portion 22 are fitted into the fitting slits 15 of the cut and raised pieces 12, respectively. Combine. After such fitting, the inner surface of each cut and raised piece 12 and the outer surface of each first leg member 3 are brought into contact with each other. After that, if it is turned upside down, the assembly of the cardboard assembly chair 1 is completed as shown in FIG.

  In this way, the seat member 2 and the first and second leg members 3 and 4 are assembled to each other only by fitting the second leg member 4 of the leg portion 22 into the fitting slit 15 of each cut and raised piece 12. The cardboard assembly chair 1 as a whole can be easily assembled, coupled with the ease of assembly of the first and second leg members 3 and 4 as described above.

Here, each of the cut and raised pieces 12 has the plate-like second leg member 4 when the second leg member 4 of the leg portion 22 is fitted into the fitting slit 15 of each of the raised and raised pieces 12 and after the fitting. Since the guide is supported, the durability of the connecting portion between the seat member 2 and the leg portion 22 can be improved.
Further, the inner surface of the cut and raised piece 12 abuts the outer surface of each first leg member 3 with the second leg member 4 of the leg portion 22 fitted in the fitting slit 15 of each cut and raised piece 12. Therefore, each cut and raised piece 12 supports and reinforces each plate-like first leg member 3, and thereby the durability of the connecting portion between the seat member 2 and the leg portion 22 can be further improved.

  Furthermore, a wide portion 21 is formed at the end edge portion of each fitting slit 20 of the second leg member 4, and the second leg member 4 of the leg portion 22 is connected to each cut and raised piece 12 via the wide portion 21. Are fitted into the fitting slit 15. At this time, the wide portion 21 of the fitting slit 20 smoothly guides the second leg member 4 toward the fitting slit 15 of each cut-and-raised piece 12, thereby the second leg member 4 and each cut-and-raised piece 12. The seat member 2 and the leg portion 22 can be easily assembled by facilitating connection with the fitting slit 15.

  In addition, this invention is not limited to the said embodiment, Of course, an improvement and a deformation | transformation are possible within the range which does not deviate from the meaning of this invention.

DESCRIPTION OF SYMBOLS 1 Cardboard assembly chair 2 Seat member 3 1st leg member 4 2nd leg member 12 Cut and raised piece 15 Fitting slit (3rd fitting slit)
19 Fitting slit (first fitting slit)
20 Fitting slit (second fitting slit)
21 Wide part 22 Leg part

Claims (5)

A cardboard assembly chair comprising a long cylindrical seat member, a plate-like first leg member and a plate-like second leg member assembled with the first leg member,
When the cardboard assembly chair is not used, the first leg member and the second leg member are housed inside the long cylindrical seat member. A first fitting slit formed in each of the pair of first leg members;
Two second fitting slits formed in the second leg member;
The first fitting slits of the first leg members are fitted into the second fitting slits of the second leg member, and a grid-like leg portion is formed by the first leg member and the second leg member. The cardboard assembly chair according to claim 1. A pair of cut and raised pieces formed on one surface of the seat member and movable between a first position that is flush with one surface of the seat member and a second position cut and raised from one surface of the seat member;
A third fitting slit formed in each of the cut and raised pieces,
3. The cardboard assembly chair according to claim 2, wherein the second leg member of the leg portion is fitted into each of the third fitting slits in a state where the cut and raised piece is in the second position.   The cut and raised piece is in contact with one surface of each of the first leg members in a state where the second leg members of the leg portions are fitted in the third fitting slits. 3. The cardboard assembly chair according to 3. A wide portion is formed at the edge of each second fitting slit,
5. The cardboard assembly chair according to claim 3, wherein the second leg member of the leg portion is fitted into a third fitting slit of each cut and raised piece through the wide portion.

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