JPH0856771A - Built-up type chair - Google Patents

Abstract

PURPOSE: To make it possible for a chair to assemble and disassemble speedily and easily, by assembling parts, such as a seat, a fitting member, a column, a positioning member, a holding member for leg, a fixed face, a ring-shaped flame, and a leg. CONSTITUTION: An upper edge of the column 3 with a pressed hollow 31 is flipped inside, and with holding, fixes the protrusion 22 of the fitting member 2. Setting a guide correspondent to a notch 21 on the side of the protrusion 22 makes the rotation easily after putting the fitting member 2 in a disc groove on the seat 1. After slipping the positioning member 4 into a set position of the column 3, the column 3 is inserted to a penetration hole 51 in the center of the holding member 5 for leg. Setting rectangular grooves on both side of the fitting hole 52, the inside of which is a conical in shape, slipping the connection 81 of the leg 8 into, and joining together the edge 62 of the fixed face 6 to the fitting member 63, the leg 8 is installed. For the stable support of the leg 8, there is a supporting bar 83 on another edge of the leg 8. The ring- shaped flame, formed some pair of the fit 71, 72, is connected to the leg 8 to be in a body, and it provides a stable supports.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair structure which is convenient for assembly and disassembly.

[0002]

2. Description of the Related Art A conventional chair has a fixed structure, but a structure of a prefabricated chair has come into the market in order to make it convenient to carry. However, although there are many types of present-day adjustable chairs, they all have the following common drawbacks: (a) The conventional adjustable chair is assembled by simple fitting, but The stop position was not strong, and the overall structure was not strong; (b) The conventional one had the support rod fixed to the seat to strengthen the seat, which was inconvenient to carry; (C) In the conventional type in which the connecting portion is fixed with a screw, wear and damage of the screw occur due to long load and rotation.

[0003]

The assembly type chair of the present invention has the following problems: (a) The support of the seat is a fitting type, which is easy to assemble, disassembles and is convenient to carry, and after assembling. Provide a structure that allows the seat to rotate smoothly; (b) Assembly can be performed without the need for tools, and the structure after assembly is robust; (c) Disassembly and assembly can be performed quickly and easily.

[0004]

The present invention mainly comprises a combination of parts such as a seat, a fitting member, a column, a positioning member, a leg holding member, a fixed seat, an annular frame and a leg.

A circular tank is provided in the center of the sheet, a rectangular fixed block is provided symmetrically at an appropriate position of the circular tank, and a disc-shaped groove is provided above the fixed block.

The fitting member is provided with notches on its outer periphery at symmetrical positions, and a convex column is provided below.

The column is tubular, and after it is fitted into the convex column of the fitting member, a recessed edge is formed at the upper end by pressing to fix the fitting member above it.

The positioning member is formed of a material having an appropriate softness, is provided with a notch, and is fitted in an appropriate position of the column.

A through hole is provided in the center position of the leg holding member, the support is fitted into the through hole, and the height of the seat is adjusted by the positioning member, and the outer circumference thereof is appropriately spaced. Provide a fitting hole and a fitting hole at various positions.

In the above-mentioned fixed seat, a through hole for penetrating the support is provided in the center thereof, and several symmetrical arc-shaped edges are provided,
Each arcuate edge notch is provided with a fitting portion and a fitting groove.

The above-mentioned annular frame is annular, and a pair of fitting portions are provided at equal intervals, and fitting grooves are provided between the fitting portions.

The leg is provided with a connecting portion on one side thereof and a supporting rod on the other side thereof, and is integrally molded with an intermediate connecting portion, and is fitted into a fitting hole of a holding member of the leg on the connecting portion. Is formed on the leg, an oblique groove for fitting the fitting portion of the fixed seat is formed on the leg, and an arc-shaped notch for fitting the fitting portion of the annular frame on the upper end surface of the support rod, and the fitting of the annular frame. Providing a projection that fits in the dowel.

On both sides of the fitting hole of the leg holding member, there are provided conical grooves for fitting projections provided on both sides of the connecting portion of the leg.

The fitting portions and the fitting grooves for fitting the oblique grooves of several legs are integrally formed at appropriate positions of several symmetrical arcuate edges of the fixed seat.

[0015]

According to the present invention, the fitting member is fixed to the upper part of the column by pressing, and the fitting member is fixed to the disc-shaped groove in the circular tank of the sheet by the fixing block on the side surface of the circular tank. After fitting the positioning member, fit it into the through hole at the center of the leg holding member, fit the connecting portion of the leg into the fitting hole of the holding member of the leg, and fit the fixed seat in the oblique groove below the connecting portion. The stopper is fitted and the force is applied evenly to several leg seats, and the support rod at the other end of the leg seat is fixed by the fitting part and fitting groove of the annular frame, thus supporting the entire weight. .

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION As shown in FIGS. 1, 2 and 3, the present invention mainly includes a seat (1), a fitting member (2), a column (3), a positioning member (4), and a leg holder. It is composed of a combination of parts such as a member (5), a fixed seat (6), an annular frame (7), and a leg (8). Among them, the combination of the seat (1), the fitting member (2) and the support (3) is shown in FIGS.
Also shown. A circular tank (1
1) is provided. And a suitable position of the circular tank (11),
And at symmetrical positions, fixed rectangular fixed blocks (1
2) is provided. And, a disc-shaped groove (13) is provided above the fixed block (12).

The pillar (3) is fixed to the fitting member (2) by forming a recess (31) by pressing at an appropriate position on the upper edge (312) of the pillar (3). Insert the upper edge of the pillar (3) into the convex column (22) formed on the lower surface of the fitting member (2), and press at the same time to fold the upper edge (312) of the pillar (3) inward and stop the fitting. The convex column (22) of the member (2) is sandwiched and fixed.

A notch (21) is provided at a symmetrical position on the outer periphery of the fitting member (2), and the notch (21) is a rectangular fixing block () in the circular tank (11) of the seat (1). 12) Fit in the position of 12) and fit in the disk-shaped groove (13), then rotate the sheet (1) to fix the fixed block (1).
The relative position between 2) and the notch (21) is shifted. As a result, the seat (1) does not fall off from the fitting member (2), and the side wall of the convex column (22) of the fitting member (2) has guide portions corresponding to the notches (21). (2
11) is provided to facilitate rotation after the engagement member (2) is placed in the disc-shaped groove (13) of the sheet (1).

Further, FIGS. 1, 2, 3, 6, 7, 8 and 9 show a through hole (51) provided at a central position of the holding member (5) of the leg of the present invention. The support column (3) can be placed in the through hole (51), and in order to fix the support column (3) at an appropriate height on the leg holding member (5), a positioning member ( 4) First, fit the support pillar (3) at the position set by the user, and then mount the support pillar (3) on the leg holding member (5).
It is inserted in the through hole (51) in the center of. The positioning member (4) is made of a soft material, has a notch (41), and has a conical shape. Therefore, the positioning member (4) may be fitted according to the height of the seat (1) in accordance with the set position of the column (3). Further, the leg holding member (5) is provided with a fitting hole (52) and a fitting hole (53) at symmetrical positions thereof. The inside of the fitting hole (52) has a proper conicity, and rectangular grooves (521) and (52) are formed on both sides thereof.
1 ') can be provided and the connecting part (81) of the leg (8) can be fitted. Protrusions (81) are provided on both sides of the connecting portion (81).
1) and (812) are provided, and the rectangular groove (5
21) and (521 ′) are tightly fitted to each other so that the legs (8) can bear the load evenly, and the fitting holes (52) collapse when the force is applied or the legs (8) are connected. The part (81) is prevented from coming out, and when the pressure is applied, the part (81) is joined more closely.

Further, the slanted groove (8) below the connecting portion (81).
2) is fitted into a fitting groove (64) formed in the fitting portion (63) integrally formed with the fixed seat (6), and is fixed to the contact edge (83) of the connecting portion (81). The oblong edge (62) of the seat (6) is brought into close contact and bears the force. The through hole (61) at the central position of the fixed seat (6) can penetrate the support column (3), and the leg holding member (5) is provided with several fitting stop holes (52) having conicity. Solid edge (6) of the fixed seat (6)
By combining 2) and the engagement part (63) with each other, the legs (8) can be installed at symmetrical positions, and the legs (8) support the prefabricated chair of the present invention.

A support rod (84) is provided at the other end of the leg (8) for stable support of the leg (8). The support rod (84) and the connecting portion (81) are connected to each other at the connecting portion (88) and are integrally formed in advance by integral molding. Two fitting stoppers (85) protruding from the upper end surface of the support rod (84),
(85 ') and two arcuate notches (86), (8
6 ') is provided. A groove (87) is provided between the two fitting portions (85) and (85 '). On the other hand, the annular frame (7) is provided with a pair of fitting portions (71) and (72) at equal intervals, and a fitting groove (73) is provided between the fitting portions (71) and (72).
(74) is provided. Fitting part (7) of annular frame (7)
1) and (72) are fitted in arcuate notches (86) and (86 ′) of the support rod (84), respectively, and a plurality of sets of fitting portions (71) and (72) are fitted to the annular frame (7). ) Are provided and are connected to the legs (8) to be integrated with each other for stable support.

Shown in FIGS. 10 and 11 is another embodiment of the present invention. In this embodiment, the connecting portion (91) of the arcuate arm (9) is fitted into the fitting hole (53) provided in the leg holding member (5) (see also FIG. 6). The connecting portion (101) of the leg (10) is fitted into the fitting stop hole (52) of the leg holding member (5). The structure of the connecting part (101) is the same as the connecting part (81) shown in FIGS. 6 and 7 of the previous embodiment. The support rod (102) at the other end provides support. This embodiment is used as a flower pot stand or a clothes stand.

The present invention is easy to disassemble, except that the pillar (3) is pulled out, and further the annular frame (7), the fixed seat (6), and the leg holding member (5) are removed respectively, and the leg (8) is removed. ) Can be removed to make individual parts. Further, by rotating the seat (1), the notch (2
By fitting 1) to the fixed block 12 of the seat 1, the seat 1 can be pulled out. After being disassembled into individual parts in this way, it is sufficiently convenient to carry.

[0024]

The assembled chair of the present invention has the following effects: (a) Since the seat columns are also fitted, they can be easily assembled and disassembled by the user, making them convenient to carry. is there. Furthermore, after assembly, the seat can be rotated smoothly. (B) Assembly can be done easily without using fastening members, no tools are required, and the structure after assembly is strong. (C) Disassembly and assembly Can be done quickly and easily.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of a part of the first embodiment of the present invention.

FIG. 3 is an exploded perspective view of the first embodiment of the present invention.

FIG. 4 is a perspective view in which a part of a seat portion of the present invention is cut away.

FIG. 5 is a sectional view of a seat portion of the present invention.

FIG. 6 is an exploded perspective view of a leg holding member, a fixed seat, an annular frame, and leg portions of the present invention.

FIG. 7 is a sectional view of a connecting portion of a leg holding member of the present invention.

FIG. 8 is a partial cross-sectional view of the connecting portion between the fixed seat and the leg of the present invention.

FIG. 9 is a cross-sectional view of a connecting portion between the annular frame and the leg of the present invention.

FIG. 10 is a perspective view of another embodiment of the present invention.

FIG. 11 is a perspective view of yet another embodiment of the present invention.

[Explanation of symbols]

(1) Seat (2) Fitting member (3) Support
(4) Positioning member (5) Leg holding member (6) Fixed seat (7) Annular frame (8) Leg (9) Arc-shaped arm (11) Circular tank (12) Fixed block (13) Disc-shaped groove ( 21) Notch (22) Convex column (31) Recess (41) Notch (51) Through hole (52) Fitting hole (53) Fitting hole (61) Through hole (62) Arc edge (63) Fitting part (64) Fitting groove (71), (72) Fitting part (73), (74) Fitting groove (81) Connecting part (82) Oblique groove (83) Contact edge (84) Support rod (85), (85 ') Fitting part (86), (86')
Arc-shaped notch (87) Groove (88) Connecting part (91) Connecting part
(102) Support bar (211) Guide part (312) Upper edge (521),
(521 ') groove (811), (812) protrusion

Claims (6)

[Claims] 1. A sheet, wherein a circular tank is provided in the center of the sheet, and a rectangular fixed block is provided symmetrically at an appropriate position of the circular tank, and a disc-shaped groove is provided above the fixed block. What is provided, the fitting member, the cutouts are provided at symmetrical positions on the outer periphery, and the convex pillar is provided below, and the pillar has a tubular shape and is fitted into the convex pillar of the fitting member. After that, a concave edge is formed at the upper end by pressing, and the fitting member is fixed above it; the positioning member has a cylindrical shape, has an appropriate softness, and is provided with a notch. , A member to be fitted at an appropriate position of the pillar, a through hole is provided in the center position of the holding member of the leg, the pillar is fitted into the through hole, and the height of the seat is adjusted by the positioning member. Adjusted and equidistantly placed on the outer circumference of the leg holding member at appropriate intervals. With a fitting stop hole and a fitting hole in the stand, and a fixed seat with a through hole in the center for penetrating the post, and several symmetrical arc-shaped edges. An edge is provided with a fitting portion and a fitting groove, and an annular frame is formed into an annular shape, and a pair of fitting portions are provided at equal intervals, and a fitting portion is fitted between the fitting portions. With the groove and the leg, a connecting part is provided on one side, a support rod is provided on the other side, and it is integrated by an intermediate connecting part, and a protrusion is provided on the connecting part. The projection can be fitted in the fitting hole of the leg holding member, and the oblique groove is provided to fit the fitting portion of the fixed seat, and the arc-shaped notch is provided in the upper portion of the support rod. The fitting portion of the annular frame is fitted in the arcuate notch, and the protrusion of the leg is fitted in the fitting groove of the annular frame. If, consisting of, prefabricated chair. 2. A fitting member is fitted into a circular tank on a seat, and a disc-shaped groove forms an active space when the fitting member rotates, and a fitting member fixed to a fixing block and a column of the seat. The prefabricated chair according to claim 1, wherein the seat does not fall off due to the member. 3. The fitting hole of the leg holding member has a conical shape,
The prefabricated chair according to claim 1, wherein grooves are provided on both sides of the leg for fitting projections provided on both sides of the connecting portion of the leg, and the leg is fitted to the holding member of the leg to evenly bear the load. 4. The assembly type chair according to claim 1, wherein an arcuate arm having a connecting portion is fitted and fixed in the fitting hole of the leg holding member to form a flower stand or a clothes stand. 5. The fitting portion and the fitting groove are formed by integral molding at appropriate positions of several symmetrical arc-shaped edges of the fixed seat, and the oblique grooves of several legs are fitted. Item 3. The assembled chair according to Item 1. 6. The annular frame is provided with a pair of fitting portions at equal intervals of a suitable distance, and a fitting groove is provided between the two fitting portions, so that the upper end of the support rod of the leg is provided. The prefabricated chair according to claim 1, wherein the fitting portion is fitted.