JPH0219068Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a sofa that can be used as a futon in a flat state and can be used as a sofa in a folded state.

(Prior Art) Conventionally, this type of futon/futon sofa is made by dividing the cushion material into blocks of various shapes.
There was a structure in which this was filled into the side fabric and tied together.

(Problem to be solved by the invention) However, with such a structure, when it is rolled out into a flat sheet and used as a futon, the futon has many connecting parts, and when sleeping directly on top of the futon, there are many connecting parts. It was uncomfortable to sleep on. In order to improve this point, the cushion material is constructed integrally without being divided, and a frame body such as a metal pipe incorporating a ratchet gear etc. is placed inside the cushion material so that it can be bent and fixed at a desired location. was proposed, but
Not only does it require some assembly operations such as bending and fixing, but it also has disadvantages such as the use of a hard frame, which makes the cushion feel strange and increases costs.

(Means for Solving the Problems) The futon-cum-sofa of the present invention, in the form of a futon, includes a first protruding cushion part, a flat cushion part, and a first protruding cushion part in order from one end in the longitudinal direction. It has a structure in which a second protruding cushion part with a low height is continuously integrated and arranged, and a material less flexible than the central part is arranged on the left and right parts of the approximately central part of the flat cushion part. It is characterized by the fact that

(Example) Fig. 1 shows an example of the present invention, and is a perspective view when it is in the form of a futon, and Fig. 2 is an A of Fig. 1.
-A' line sectional view. Figure 3 and Figure 4 are Figure 1,
A perspective view and a sectional view are shown in which the one in FIG. 2 is folded into a soft form.

As shown in FIGS. 1 and 2, this futon-cum-futon sofa has a first protruding cushion part 1, a flat cushion part 2, and a first cushion part 1 in order from one end in the longitudinal direction. The second protruding cushion part 3, which is lower in height than the protruding cushion part 1, is continuously integrated and arranged.

In this invention, each cushion part 1, 2, 3
For this, commonly used materials such as futons, pinerests, sofas, etc. can be used. In this embodiment, a core material 10 such as a relatively hard semi-rigid polyurethane foam sheet or polyurethane chip foam sheet is approximately centered, and the upper surface is profiled on the outside to improve cushioning properties, heat retention, breathability, etc. Soft polyurethane foam, polyethylene foam, which has been made into an uneven shape by isle processing etc.
A soft cushion material 11 such as rubber foam is arranged, and in order to give the outer side a good soft feel, a cotton-like material 12 made of natural fibers or synthetic fibers such as cotton or polyester cotton is used, and a soft material such as stockinette or polyurethane material is used. A reinforcing sheet material 13 such as a synthetic resin foam sheet such as a foam sheet, a synthetic resin sheet such as a polyvinyl chloride resin sheet, etc. is used for backing, and this is further reinforced with flexible nylon,
It is covered with an outer cover material 14 such as woven fabric such as cotton or leather to form a cushion portion.

First and second protruding cushion parts 1, 3
In order to form the protruding shape, the core material 10 is further added.
Alternatively, the core portions 15 and 16 are formed of the same material as the soft cushion material 11.

In this case, the second protruding cushion part 3 is
The height is formed to be lower than the protruding cushion part 1. In addition, the flat cushion part 2 has the core material 1 on the right and left sides of the approximately central part 17 of the cushion part 2.
A relatively hard material similar to 0 is provided on the back surface of the core material 10 to form auxiliary layers 18 and 19, and the central portion 17
The flexibility of the left and right parts of the central part 17 is made different, so that the central part 17 can be easily bent.

In the figure, reference numeral 20 indicates a button, which partially presses down the cushion body with a thread 21 to prevent movement of the outer covering material 14 and to give a sense of volume to the cushion body.

In the present invention, as shown in this embodiment, at least the gap 22 between the first protruding cushion part 1 and the flat cushion part 2, and the gap between the flat cushion part 2 and the second protruding cushion part 3 are provided. Interval 2
3, a presser means such as this button 20 is provided,
The constricted portions 24 and 25 are formed when the constricted portions 24 and 25 are formed in the form of a sofa, which will be described later.
A large clearance 26 is formed between 4 and 25, which allows the lower back of the human body to sink down more when sitting, thereby making it easier to pull out the rising shape of the first protruding cushion part 1 as a backrest. , is a more preferred embodiment.

Next, when the example product in the form of a futon shown in FIGS. It can be turned into a sofa by folding back at the central part 17, and by overlapping the first protruding cushion part 1 on the second protruding cushion part 3, it can be turned into a sofa.
As shown in the figure, the height and shape of the backrest of the sofa are achieved by the rise of the first protruding cushion part due to the sinking of the lower back when sitting.

(Effect of the invention) The sofa that doubles as a futon of the invention has a first protruding cushion part, a flat cushion part, and a second protruding cushion part whose height is lower than the first protruding cushion part, which are continuously integrated. Because of this, it is more comfortable to sleep than the conventional cushion which is divided into blocks and connected together, and has the advantage that the first protruding cushion part can be used as a head pillow and the second protruding cushion part can be used as a foot pillow. be.

In addition, compared to a type with a built-in rigid bending fixture, it is not only easier to assemble and has better cushioning properties, but also has a sofa shape that allows the first cushion to protrude due to sinking when sitting. Due to the upward displacement of the backrest part, the holdability of the backrest part is improved and has the advantage of being extremely stable.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an example of the futon form of the present invention, Fig. 2 is a sectional view taken along the line A-A' in Fig.
The figure is a perspective view of the one in Figure 1 in the form of a sofa.
FIG. 4 is a sectional view taken along the line B-B' in FIG. 3, and FIG. 5 is an explanatory view showing the state of use as a sofa. 1...First protruding cushion part, 2...Flat cushion part, 3...Second protruding cushion part.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. In the futon form, from one end in the longitudinal direction, a first protruding cushion part, a flat cushion part, and a second protruding cushion part whose height is lower than the first protruding cushion part. This sofa also serves as a futon, and has a structure in which cushion parts are continuously integrated and arranged, and a material less flexible than the central part is arranged on the left and right parts of the substantially central part of the flat cushion part. 2 Utility model registration claim 1 in which a constricted portion is provided between the first protruding cushion portion and the flat cushion portion and between the flat cushion portion and the second protruding cushion portion A sofa that doubles as a futon as described in the section.