JPS6124111Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention consists of legs on both sides as constituent members of an assembled chair, a chair, a connecting rod for connecting the two legs, a seat support, a seat plate, and an outer surface of the upper end of both legs that can be attached or detached as desired. This invention relates to a chair in which the armrests and the connecting members for connecting to the adjacent chair are separate parts, and the combination of these parts makes it easy to assemble and disassemble, and there is no risk of wobbling after assembly. To explain the main idea, the proposed chair A has right and left leg fittings 3, 3 that connect the front and rear legs 1, 2 together, a connecting rod 4 for connecting the two leg fittings, and a connecting rod 4 on the inside surface of the leg fittings. The basic configuration is a combination of seat support fittings 5 attached to the upper surface to removably support the seat plate 6, and if necessary, a cover 7 or armrest 8 is attached to the outer surface of the leg fittings 3 for connection to an adjacent chair. The chair A is constructed by attaching the member 9 or a combination thereof. To explain each part in detail, the leg fittings 3, 3 fix and connect the front and rear legs 1, 2, respectively, into one body, and have support tubes 10, 10 protruding inwardly on the inner surface thereof, and a seat. Recessed part 1 for fitting the receiving metal fitting
1, a recess 12 for fitting the cover 7 or the base plate 8' of the armrest 8 is formed on the outer surface, and the hole of the support tube 10 is opened to the outer surface, and the hole is seated in the recess 12. Through holes 13, 13 are formed for mounting a receiving metal fitting. The connecting rods 4, 4 to which the two leg fittings 3, 3 are to be connected have threaded tubes 14 with female threads formed inside thereof fixed at both ends thereof by welding or other means, and the threaded tubes 14 are connected to the leg fittings 3, 3 by welding or other means. 3, and the outer concave portion 1 of the leg fitting 3
Bolt 1 inserted from 2 into the outer opening of the support tube 10
By screwing the screws 5 and 15 into the threaded tubes 14 and 14, the two leg fittings 3 and 3 can be connected by the connecting rod 4. Next, the seat support fitting 5 for supporting the seat plate 6 is installed by fitting into the recessed part 11 on the inner surface of the leg fitting 3, and its structure is made of metal as shown in FIG. By bending the plate, an outer bent portion 16, a seat plate support surface 17, and an inner bent portion 18 are formed, and the through hole 13 of the leg fitting 3 is formed in the outer bent portion 16.
A hole (not shown) matching the hole 13 is formed, and a nut 19 is welded and fixed to match the hole.

Further, the inner wall 18′ of the inner bent portion 18 and the outer wall 18″ are provided with holes 2.
1 or 22, the hole 22 in the outer wall 18'' has a diameter that allows it to pass through the connecting rod 4, and the hole 21 in the inner wall 18' allows only the threaded tube 14 to pass through and stops the end surface of the connecting rod 4 from abutting. Therefore, when attaching the seat plate 6 to the seat support metal fitting 5, the seat plate 6 is installed by interposing a seat support resin 23 which is inclined toward the front height as necessary, as shown in Fig. 3. shall be.

In addition to the above-mentioned basic structure, in this case, a cover 7 as shown in FIG. Fit into part 12 and bolt 2
0 and 20, the armrest 8 can be attached to the leg fitting 3 at the same time as the seat support fitting 5 is attached. Further, a connecting member 9 as shown in FIG. 1 can be attached to the outside of the cover 7 or the armrest base plate 8' using bolts 20, 20 in the same manner as described above.

In the assembled chair of the present invention as described above, the frame of the chair can be easily formed by the bolts 15 inserted from the outside of the leg fittings 3, the connecting rods, the seat receiving fittings 5, and screwed together. With the outer bent portion 16 of the leg fitting 3 tightly fitted into the inner concave portion 11 of the leg fitting 3, and the end face of the connecting rod 4 being abutted against the inner wall 18' of the seat support fitting 5, the connecting rod 4 is tightened with the bolt 15. Since the leg fittings 3 are connected to the leg fittings 3, the interconnection structure of the leg fittings 3 connecting rod 4 seat receiving fitting 5 after assembly becomes extremely strong. The nut 1 is attached to the outer bent portion 16 of the seat support fitting 5.
9 can also be used with bolts 20, which has the advantage of reducing the number of parts and machining, simplifying the structure and reducing costs.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing an example of the chair of the present invention, FIG. 2 is an enlarged longitudinal cross-sectional view showing the main parts of the present invention, and FIG. 3 is a side view showing the resin seat support. A: Chair, 1: Legs, 2: Legs, 3: Leg fittings, 4:
Connecting rod, 5: Seat bracket, 6: Seat plate, 7: Cover, 8: Armrest, 9: Connecting member, 14: Spiral tube, 1
5: Bolt, 20: Bolt, 23: Seat support resin.

Claims (1)

[Scope of utility model registration request] A leg fitting 3 which integrally connects the front and rear legs 1 and 2, has a recessed part 11 for attaching a seat support fitting and a support cylinder 10 on the inner side, and has a recessed part 12 for attaching a cover or armrest on the outer side; A screw tube 14 is provided protruding from both ends to connect the leg fittings 3, 3, and the screw tube 14 is connected to the support tube 10.
Connecting rod 4 that can be fitted into the inside;
An outer bent portion 16 is formed hanging from the outer edge of the seat plate support surface 17 to a size that can be fitted into the inner recessed portion 11 of the leg fitting 3, and an opening downwardly extends upward from the inner edge of the seat plate supporting surface 17. An internally bent portion 18 having a groove shape when viewed from the front.
A hole 22 through which the connecting rod 4 can pass is formed in the outer wall 18'' of the inner bent portion 18, and a threaded cylinder 1 is formed in the inner wall 18'.
The connecting rod 4 and the leg fitting 3 can be connected by a bolt 15 inserted from the outer recessed part 12 of the leg fitting 3. Features an assembly chair.