JP6839150B2 - Seat cushion - Google Patents

Description

The present invention relates to a seat cushion.

In a dining kotatsu equipped with a heater unit for the kotatsu on the dining table, a dedicated chair is usually used to prevent warm air from escaping from the underside of the chair to the outside. As such a chair for kotatsu, those described in Patent Documents 1 to 3 are known as prior art.

Japanese Unexamined Patent Publication No. 2006-61210 (published on March 9, 2006) Japanese Unexamined Patent Publication No. 2009-118905 (June 4, 2009) Registered Utility Model No. 3160979 (issued on July 15, 2010)

As mentioned above, chairs used in ordinary tables are not suitable for use in dining kotatsu because warm air escapes from the underside of the seat. Therefore, when using the dining kotatsu, a special chair as described in Patent Documents 1 to 3 is separately required. As a result, the introduction cost of dining kotatsu is high, which hinders the spread of dining kotatsu.

One aspect of the present invention is to prevent the escape of warm air from the lower side of the seat in a chair used in a dining kotatsu at low cost.

In order to solve the above problems, the seat cushion according to one aspect of the present invention has a cushion portion placed on the seat portion of the chair and one end thereof detachably connected to the cushion portion. It is provided with an obstructing body that hangs down from the chair toward the surface on which the chair is installed and closes at least a part between the legs of the chair.

According to one aspect of the present invention, it is possible to prevent the warm air from escaping from the lower side of the seat only by placing the seat cushion on a normal chair, so that it is not necessary to prepare a chair dedicated to the dining kotatsu. , It is possible to prevent the escape of warm air from the underside of the chair at low cost.

It is a figure explaining the use state of the seat cushion which concerns on one Embodiment of this invention. It is a figure which shows the state which the seat cushion which concerns on one Embodiment of this invention is folded. It is a front view of the seat cushion which concerns on one Embodiment of this invention. It is a rear view of the seat cushion which concerns on one Embodiment of this invention. It is a top view of the seat cushion which concerns on one Embodiment of this invention. It is a bottom view of the seat cushion which concerns on one Embodiment of this invention. It is a side view of the seat cushion which concerns on one Embodiment of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 7. FIG. 1 is a diagram for explaining a usage state of the seat cushion according to the embodiment of the present invention, and FIG. 2 is a diagram showing a folded state of the seat cushion according to the embodiment of the present invention. FIG. 3 is a front view of the seat cushion according to the embodiment of the present invention, and FIG. 4 is a rear view of the seat cushion according to the embodiment of the present invention. FIG. 5 is a top view of the seat cushion according to the embodiment of the present invention, FIG. 6 is a bottom view of the seat cushion according to the embodiment of the present invention, and FIG. 7 is a bottom view of the seat cushion according to the embodiment of the present invention. It is a side view of the seat cushion which concerns on. FIG. 7 is a right side view of the seat cushion. The left side view of the seat cushion appears symmetrically with the right side view, and is therefore omitted.

FIG. 1A shows a state in which the seat cushion 10 is placed on the seat portion 101 of the chair 100. As shown in FIG. 1 (a), the seat cushion 10 is used by being placed on the seat 101 of the chair 100 used in a normal table, like a dining chair used in a dining table. .. As shown in FIGS. 1 to 7, the seat cushion 10 includes a cushion portion 1 and a closing body 2.

The cushion portion 1 is placed on the seat portion 101 of the chair 100. The cushion portion 1 may be a cushion material covered with a cover. Examples of the cushion material used in the cushion portion 1 include urethane and cotton. It is preferable that the cover of the cushion portion 1 is a bag-shaped cloth, and the cushion material can be taken in and out. The cushion portion 1 preferably has a shape and size that does not protrude from the seat portion 101, but is not particularly limited, and may have various shapes and sizes such as a quadrangle and a circle.

One end of the obstruction body 2 is detachably connected to the cushion portion 1. As a result, when the cushion portion 1 is placed on the seat portion 101 so that the side of the cushion portion 1 to which the obstruction body 2 is connected is the front side of the chair 100, the obstruction body 2 is moved from the seat portion 101 to the chair 100. It hangs down toward the surface 200 (floor surface, etc.) on which the chair is installed. For example, the obstruction body 2 may hang vertically from the seat 101, or if the leg 102 of the chair 100 is curved so as to protrude forward from the seat 101, the obstruction body 2 may hang along the leg 102. It may be curved and hang down. As a result, at least a part between the legs 102 on the front side of the chair 100 is closed by the closing body 2. As a result, the hanging obstruction body 2 prevents the warm air from escaping from the gap between the legs 102 on the lower side of the chair 100.

Even if the closing body 2 is provided in a portion of the cushion portion 1 other than the end portion located on the backrest 103 side of the chair 100, that is, a portion of the cushion portion 1 on the front side and both side surfaces of the chair 100, respectively. Good. This makes it possible to more efficiently prevent the escape of warm air from the underside of the chair.

The obstruction body 2 may have a length that obstructs at least a part of the space from the seat portion 101 to the floor, and may have a width that obstructs at least a part between the adjacent leg portions 102. More preferably, the closing body 2 has a length that closes the entire space from the seat 101 to the floor, and a width that closes the entire space between the adjacent legs 102. That is, the length of the obstruction body 2 is the same as the length from the lower surface of the seat portion 101 to the floor surface (surface 200), and the width of the obstruction body 2 is the same as the distance between the adjacent leg portions 102. preferable. The obstruction body 2 may have a shape and size that can obstruct at least a part of the space from the seat portion 101 to the floor and at least a part between the adjacent leg portions 102, and is not particularly limited, but is a square. It can be of various shapes and sizes, such as a rectangle.

The obstruction body 2 is preferably a cloth having low air permeability that can prevent the escape of warm air, but may be a synthetic resin sheet. When the seat cushion 10 is used on a normal table or as a normal table without using the heater of the dining kotatsu, the seat cushion 10 is folded at the connecting portion between the closing body 2 and the cushion portion 1. The obstruction body 2 may be folded under the cushion portion 1 for use. It is preferable that the closing body 2 does not have a core material so that it can be easily folded under the cushion portion 1.

Since the seat cushion 10 can prevent the warm air from escaping from the underside of the chair only by placing it on the chair, the ordinary chair can be made into a chair suitable for a dining kotatsu. Therefore, when using the dining kotatsu, it is not necessary to purchase a chair dedicated to the dining kotatsu, and an existing chair can be used. That is, according to the seat cushion 10, it is not necessary to prepare a chair dedicated to the dining kotatsu, and it is possible to prevent the warm air from escaping from the underside of the chair at low cost.

FIG. 1B shows a connected state between the cushion portion 1 and the closing body 2. A cushion portion side connecting portion 3a is provided on the surface of the cushion portion 1 facing the seat surface, that is, on the back surface of the cushion portion 1. The cushion portion side connecting portion 3a is provided at one end of the back surface of the cushion portion 1, and specifically, is provided on the side located in front of the chair 100 when placed on the chair 100. A connecting portion 3b on the closing body side is provided at one end of the closing body 2, specifically, at the upper end when the seat cushion 10 is placed on the chair 100.

The cushion portion side connecting portion 3a and the closing body side connecting portion 3b are detachably connected to each other. Since the cushion portion side connecting portion 3a and the closing body side connecting portion 3b are removable, the closing body 2 can be removed from the cushion portion 1 when the seat cushion 10 is not used in the dining kotatsu or in the summer when the heater is not used. , Can be used only with the cushion portion 1. The cushion portion side connecting portion 3a and the closing body side connecting portion 3b may be a hook-and-loop fastener, a wire fastener, a button, or the like. The cushion portion side connecting portion 3a and the closed body side connecting portion 3b are continuously provided in the left-right direction of the seat portion 101 when the seat cushion 10 is placed on the chair 100, that is, in the width direction of the seat portion 101. Is preferable.

When the seat cushion 10 is placed on the chair 100, the cushion portion side connecting portion 3a is located on the back surface of the cushion portion 1 so as to be located in front of the chair 100 in the direction from the front to the rear of the chair 100, that is, the seat portion. A plurality of 101 may be provided so as to be arranged in the depth direction. Here, the rear side of the chair 100 is the side on which the backrest 103 of the chair 100 is provided, and the side facing the front of the chair 100. In FIG. 1B, a configuration in which two cushion-side connecting portions 3a continuous in the width direction of the seat portion 101 are arranged in the depth direction of the seat portion 101 is shown as an example.

Since a plurality of cushion portion side connecting portions 3a are provided so as to be arranged in the depth direction of the seat portion 101, it is possible to select from a plurality of cushion portion side connecting portions 3a for connecting the closed body side connecting portions 3b. Thereby, the length of the obstruction body 2 hanging from the seat portion 101 can be adjusted. That is, if the closed body side connecting portion 3b is connected to the cushion portion side connecting portion 3a on the front side in the depth direction of the seat portion 101, the closed body 2 can be hung from the seat portion 101 longer. Further, if the closed body side connecting portion 3b is connected to the cushion portion side connecting portion 3a on the rear side in the depth direction of the seat portion 101, the closed body 2 can be hung from the seat portion 101 shorter. Therefore, it is possible to make the seat cushion 10 correspond to the chair 100 of various heights.

In the closed body 2, a fastening member that maintains the bent state of the lower end may be provided at the end facing the one end connected to the cushion 1, that is, the lower end. As a result, the length of the closing body 2 hanging from the seat 101 may be adjusted by bending the closing body 2.

It is preferable that the seat surface of the cushion portion 1 and the surface that closes between the leg portions 102 of the closing body 2 have substantially the same shape. As a result, when the closing body 2 is folded and used as shown in FIG. 2, the closing body 2 does not protrude to the outside of the cushion portion 1, and a neat appearance can be realized. Note that FIG. 2 shows a state in which the closing body 2 is folded so as to overlap the upper side of the cushion portion 1.

The seat cushion 10 can also be used by folding the closing body 2 and folding it under the cushion portion 1. That is, the seat cushion 10 may be placed on the seat 101 so that the obstruction body 2 is on the upper side and used so that the user sits directly on the obstruction body 2, or the obstruction body 2 may be used as the cushion portion. You may use it by folding it under 1. In this way, the seat cushion 10 can be used as a seating surface on both the upper and lower sides of the cushion portion 1 side and the closing body 2 side in a state where the closing body 2 is folded. For example, when the side of the obstructed body 2 folded on the cushion portion 1 is used as the seating surface, the obstructed body 2 can be removed even if dirt such as spilled food occurs, so only the obstructed body 2 is replaced. Alternatively, it can be washed, and as a result, the seat cushion 10 is prevented from becoming dirty.

As shown in FIG. 1A, a weight 4 may be provided at the lower end of the closing body 2. By providing the weight 4 at the lower end of the obstruction body 2, the state in which the obstruction body hangs down from the seat portion 101 is maintained, and the obstruction body 2 can be prevented from being turned up unnecessarily. As the weight 4, it is preferable to use a weight having a long shape such as a cord shape or a chain shape so that the weight 4 is continuously arranged in the width direction of the lower end portion of the closing body 2. Further, the weight 4 may be in the shape of a sheet so as not to be an obstacle when the closing body 2 is folded under the cushion portion 1 and used.

The seat cushion 10 is mainly used by being placed on the seat portion 101 of a chair 100 used together with a dining kotatsu provided with a heater unit for a kotatsu on a dining table, and is made of a cloth or resin connected to the cushion portion 1. The sexual sheet-shaped obstruction body 2 hangs down from the seat portion 101 of the chair 100 toward the surface on which the chair 100 is installed, so that the escape of warm air inside the kotatsu can be suppressed. Further, by connecting the cushion portion 1 and the closing body 2 with a connecting portion such as a hook-and-loop fastener, the closing body 2 and the cushion portion 1 can be detachably connected, and the heater may be used when not used in a dining kotatsu. In the summer when it is not used, the obstruction body 2 can be removed from the cushion portion 1 and used.

The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the claims, and the embodiments obtained by appropriately combining the technical means disclosed in the different embodiments. Is also included in the technical scope of the present invention.

1 Cushion part 2 Closed body 3a Cushion part side connecting part 3b Closed body side connecting part 4 Weight 10 Seat cushion 100 Chair 101 Seat 102 Leg 200 surface (floor surface)

Claims (5)

The cushion part that is placed on the seat of the chair and
Its one end is detachably connected to the cushion unit, sagging toward the surface on which the chair is placed from the seat, and a closure for closing at least a portion between the legs of the chair ,
The seat surface of the cushion portion and the surface of the obstructed body that closes between the legs have substantially the same shape.
The closed body is a seat cushion characterized in that it can be folded under the cushion portion. On the side facing the seating surface of the cushion portion, on the side located in front of the chair, a plurality of cushion portion side connecting portions provided so as to be arranged in a direction from the front to the rear of the chair.
A closing body side connecting portion provided at the one end of the closing body and connected to the cushion portion side connecting portion,
The seat cushion according to claim 1, further comprising. The seat cushion according to claim 1 or 2 , wherein a weight is provided at an end portion of the closed body facing the one end. The seat cushion according to claim 3, wherein the weight is in the shape of a seat. The seat cushion according to any one of claims 1 to 4, wherein each of the front side and both side surface sides of the chair has the closed body.

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