JPH0116453Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to a chair in which side accessories such as armrests and memo tables can be attached and detached freely, and moreover, a plurality of chairs can be connected and integrated.

Conventional technology and problems General-purpose chairs share the same basic components such as legs, seats, and backrests, but include those with armrests, memo stands, or none, and even multiple chairs. There are many cases where it is required to manufacture different types of chairs, such as connected chairs in which individual chairs are connected together.

Conventionally, in response to such requests, it has been common practice to make some modifications to the above-mentioned basic components or to separately attach mounting parts to accommodate various variations.

However, in that case, a wide variety of components and attached parts are required, and the number of parts increases to accommodate various variations, which is troublesome in terms of parts management and assembly.

In view of the above-mentioned circumstances, the purpose of this invention is to provide a chair structure that is advantageous in terms of parts production and management, and has a simple structure that is easy to assemble and can accommodate the various forms described above.

Means for Solving the Problems This invention consists of a front leg body 3 made of a pipe bent into a substantially U-shape, the tops of which are close to each other with a predetermined distance apart, and both leg pieces 2a and 3a are visible when viewed from the side. They are arranged in a V-shape, and both legs 2 and 3 are connected at the top and both shoulders via L-shaped connecting plates 4, respectively.
Backrest pipe 6 with seat plate 7 on both connecting plates 4, 4
is fixed with bolts through an L-shaped mounting plate 19, and an armrest 8 or a memo board 9 is attached to the connecting plate 4 at the boundary bend between the upper plate 4a and the side plate 4b.
An insertion hole 13 for inserting the support frame 12 is provided, and bolt holes 14, 14 for fixing the support frame 12 are provided in the upper part of the side plate portion 4b, and inside the middle part, the insertion hole 13 is provided for inserting the support frame 12. An L-shaped receiving piece 15 that receives the lower end of the support frame 12 is provided protrudingly, and a connecting member 16 that connects the chairs to each other is provided at the lower end of the L-shaped receiving piece 15 at the boundary bend between the side plate 4b and the inner bent edge. The gist of the present invention is a chair characterized by being provided with a mounting/engaging hole 17.

Function: When used as a single-legged chair without armrests or memo stand, it is provided as is without any attached parts; however, if armrests, memo stand, etc. are attached, the support for them is The lower end insertion portion of the frame 12 is manufactured in a common shape, and it is inserted into the insertion hole 13 of the connecting plate 4, and the lower end is inserted into the L-shaped receiving piece 1.
5, screw the bolt 33 through the bolt holes 14, 14 to attach the armrest 8 or memo stand 9.
be firmly fixed together. On the other hand, when connecting a plurality of chairs, a rod-shaped connecting member 16 having projecting pieces 16a, 16a projecting upward at both ends is used, and one end of the rod-shaped connecting member 16 is used to attach the lower part of the connecting plate 4. It is fitted into the engagement hole 17 and bolted as appropriate, while the other end is similarly fitted and fixed into the mounting/engagement hole 17 of an adjacent chair or detachably engaged.

Embodiments Hereinafter, this invention will be explained based on illustrated embodiments.

The chair body 1 has a front leg body 2 and a rear leg body 3 made of iron pipe bent into a substantially U-shape, the tops of which are close to each other with a predetermined distance apart, and the legs 2a and 3a of both legs are arranged in a side view. Arrange in a V-shape, top both shoulders 2
b, 3b are connected by iron L-shaped connecting plates 4, and a seat plate 7 is fixed to an iron backrest pipe 6 extending forward from both sides of the lower part of the backrest 5 in a substantially dogleg shape. It is configured to be fixed on the connecting plate 4. An armrest 8 or a memo board 9 is provided on the side of the chair body 1 so that it can be replaced and removed.

The connecting plate 4 is composed of an upper plate part 4a having connecting pieces 10, 10 extending in the shape of ears to both sides at the tip, and a side plate part 4b whose lower end is bent inward, and the front leg body 2
The connecting pieces 10, 10 are welded and fixed to the rear leg body 3 at the lower surfaces of the connecting pieces 10, 10 and at both end surfaces of the side plate portions 4b. Therefore, each connecting piece 10 has a bolt hole 11.
A substantially rectangular insertion hole 13 for inserting the armrest 8 or the support frame 12 of the memo board 9 is provided at the boundary bend between the top plate part 4a and the side plate part 4b. Further, the side plate portion 4b has two bolt holes 14, 14 arranged vertically in the upper part, an L-shaped receiving piece 15 protruding inwardly by punching in the middle position, and a connecting member 16, which will be described later, in the lower part. It is provided with a substantially rectangular engagement hole 17 and bolt holes 18, 18 for mounting.

The backrest supporting iron pipes 6, 6 have an L-shaped mounting plate 19 welded and fixed to each inner surface abutted on the upper plate part 4a of the connecting plate 4, and nuts 20, 20 fixed to the mounting plate 19. It is fixed to the connecting plate 4 by screwing bolts 21, 21 through the bolt holes 11, 11 of the upper plate part 4a from the lower side.

Also, a support frame 12 for the armrest 8 or memo board 9
In this method, a bar material 23 made of iron or the like is bent into a substantially inverted triangle shape, and both ends 23a, 23a are arranged so as to approach each other in parallel downwardly, and the both ends 23a, 23a are welded and fixed with a rectangular metal plate 24. . Therefore, bolt holes 25, 25 arranged above and below are bored in the metal plate 24,
A nut 26 is welded and fixed to the back side of each bolt hole 25.

Reference numeral 27 denotes a frame-shaped synthetic resin cover that covers the outer surface side and both sides of the connecting plate 4, and is composed of an upper surface portion 27a, a vertical front portion 27b having a horizontally uneven decorative outer surface, and both side portions 27c, 27c. It is provided with an insertion hole 28, bolt holes 29, 29, and an engagement hole 30 corresponding to the insertion hole 13, bolt holes 14, 14, and engagement hole 17 of the plate 4, respectively. A contacting rod-shaped portion 31 is provided. This cover 27 has a lower end portion 27d that protrudes inward from the vertical front portion 27b.
The engaging protrusion 32 provided on the upper surface side is engaged with the lower end of the connecting plate 4, and the entire body is rotated around this engaging part to be press-fitted into the connecting plate 4 using the elasticity of the synthetic resin. and put it on.

To attach the armrest 8 or memo board 9, insert the lower end of the support frame 12 into the insertion holes 28, 13 of the cover 27 and the connecting plate 4, and touch the lower end of the metal plate 24 to the receiving piece 15 of the connecting plate 4. In this state, the bolt 33 is screwed onto the nut 26 through the bolt holes 29 and 14 and fixed. In addition, armrest 8 or memo board 9
can also be used in a removable state supported by the receiving piece 15 without being fixed with the bolts described above.

On the other hand, in order to make a plurality of chair bodies 1 interconnected side by side as shown in FIG. 5, a connecting member 16 is used. This connecting member 16
is a substantially rectangular shaft made of an aluminum die-cast molded product, and has projecting pieces 16a, 16a projecting upwardly at both ends, and bolt holes 34, 34 are formed in each projecting piece 16a.
is drilled. However, the lever connecting member 16
inserts its one end side into the engagement hole 17 of the connecting plate 4 from below, brings the projecting piece 16a into contact with the back surface of the connecting plate 4, and connects the bolt 35 through the bolt holes 34, 34 of the projecting piece 16a. It is fixed to the connecting plate 4 by screwing into the bolt hole 18 of the plate 4, and the other end is similarly fixed to the connecting plate 4 of the adjacent chair to be connected or inserted into the engagement hole 17. The projecting piece 16a
are engaged and connected to the connecting plate 4. This will make the chair 2
- A set of three legs, or even more, can be connected integrally or separably into a chaise longue.

Effects of the invention As described above, the chair according to this invention has a front leg body and a rear leg body made of pipes arranged close to each other at the top as described above, and L-shaped connecting plates at both shoulders of the top. The connecting plate is provided with a hole for inserting a support frame such as an armrest or a memo stand, and an L-shaped receiving piece for the connecting bolt hole, and is further provided with a connecting member for connecting the chairs together. engagement holes are provided at predetermined locations. Therefore, according to this invention, chairs with different side accessories, such as a chair with armrests and a chair with a memo board,
These chairs without accessories, chairs connected to each other, 2
~ It is possible to adapt to various types of chairs while using the same basic components, such as a set of three chairs, a chair with many chairs connected to each other in the shape of a chaise longue, or a chair with connecting members that can be freely connected. Not only is it possible, but also the attachment of any of the above-mentioned accessories can be done easily and firmly.
Moreover, in this design, a single connecting plate can be used to connect the backrest and seat to the legs, to connect the front and rear legs, to attach side accessories such as armrests and memo boards, and to connect multiple chairs. Since it is responsible for all the functions of attaching the connecting members for mutually connecting the parts, there is no need to use separate parts for each function, and the parts can be manufactured easily and at low cost. Furthermore, as mentioned above, the connecting plate has various functions, and the backrest and seat plate are integrated with the backrest pipe, so the overall number of component parts of the chair is small and the structure is simple, which is advantageous in terms of parts management. In addition, there is an advantage that the chair can be assembled easily and inexpensively.

[Brief explanation of drawings]

The drawings show an embodiment of the chair according to this invention. Fig. 1 is a perspective view of the entire chair with armrests attached, Fig. 2 is a perspective view of a memo board, and Fig. 3 is a connection plate showing each component. FIG. 4 is a developed perspective view of the main parts shown in FIG. 3, and FIG. 5 is a perspective view of the chairs in a connected state. 1... Chair body, 2... Front leg body, 2b... Shoulder part, 3... Back leg body, 3b... Shoulder part, 4... Connecting plate, 5... Backrest, 6... Backrest pipe, 7
...Seat board, 8...Armrest, 9...Memo board, 12...
... Support frame, 13 ... Insertion hole, 14 ... Bolt hole, 16 ... Connection member, 17 ... Engagement hole.

Claims (1)

[Scope of utility model registration request] The front leg body 2 and the rear leg body 3, which are made of pipes and are bent into a substantially U-shape, are arranged so that their tops are close to each other with a predetermined distance apart, and the leg pieces 2a and 3a of both have a V-shape when viewed from the side. The legs 2 and 3 are connected at the top and both shoulders via an L-shaped connecting plate 4, and a backrest pipe 6 with a seat plate 7 is mounted on both connecting plates 4 and 4 via an L-shaped mounting plate 19. At the same time, the connecting plate 4 has an armrest 8 or a memo board 9 at the boundary bend between the upper plate part 4a and the side plate part 4b.
An insertion hole 13 for inserting the support frame 12 is provided, and bolt holes 14, 14 for fixing the support frame 12 are provided in the upper part of the side plate portion 4b, and inside the middle part, the insertion hole 13 is provided for inserting the support frame 12. An L-shaped receiving piece 15 that receives the lower end of the support frame 12 is provided protrudingly, and a connecting member 16 that connects the chairs to each other is provided at the lower end of the L-shaped receiving piece 15 at the boundary bend between the side plate 4b and the inner bent edge. A chair characterized by being provided with a mounting/engaging hole 17.