JP2022110166A - Sheet-like cushion - Google Patents

Abstract

To provide a sheet-like cushion capable of obtaining an efficient cooling effect and a moisture discharge effect.SOLUTION: A sheet-like cushion includes: a sheet body 2 having a seating face 2a where a user is seated and a backrest surface 2b abutting on the user's back, and formed of an elastic material; and a fan 3 installed on the sheet body. The sheet body includes an air passage 4 allowing air sent from the fan to pass therethrough, and the air passage has multiple grooves 4a, 4b exposed on and extended along the seating face and the backrest surface, and ends of the grooves are opened on an outer edge end of the sheet body.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a sheet-like cushion that is installed in a stroller or the like and that can adjust the temperature and the like of a seated user by blowing air.

Infants (including infants) in strollers may sweat between themselves and the stroller seat, causing rashes. You may feel uncomfortable due to moisture buildup due to sweating between
For this reason, conventionally, it has been proposed to provide a seat or cushion with an air blowing function to cool the user and expel the moisture.

For example, in Patent Documents 1 to 3, a ventilation passage is provided inside for passing air sent from a fan or the like, and by opening the ventilation passage directly or through a breathable material in the seat surface or the backrest surface, A cushion with a blower function is described that blows air directly or through an air-permeable material toward a user such as an infant or a driver.

JP-A-2005-95342 JP-A-2000-116462 JP 2015-205611 A

The following problems remain in the conventional techniques described above.
That is, in the conventional cushion with a blower function, the air sent into the ventilation path is directed from the seat to the user such as an infant or a driver (hereinafter referred to as the user) directly or through a breathable material. Although the air is blown, there is a problem that the resistance is large and the air is difficult to blow out because the air is blown from the blowing holes of the ventilation passage or the fine holes of the air-permeable material. In particular, the user's body (buttocks and back) blocks the air vents of the ventilation passages and the fine holes of the breathable material, making it difficult for air to escape, resulting in a decrease in the cooling effect and moisture discharge effect. rice field.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a sheet-like cushion capable of obtaining an efficient cooling effect and a moisture discharging effect.

In order to solve the above problems, the present invention employs the following configurations. That is, a sheet-like cushion according to a first invention comprises a seat body having a seat surface on which a user sits and a backrest surface that abuts against the back of the user and formed of an elastic material; and a fan, wherein the seat body includes an air flow path through which air blown from the fan can flow, and the air flow path extends to be exposed on the seat surface and the backrest surface. and the end of the groove is open to the outer edge of the seat body.

In this sheet-like cushion, since the air flow path has a plurality of grooves exposed and extending on the seat surface and the backrest surface, the user's body (buttocks and back) cannot ride on the exposed grooves. , the upper opening of the groove is closed, and the user's body becomes a part of the wall forming the air flow path. In addition, since the ends of the grooves are open at the outer edges of the seat body, even if a user gets on the seat, the air flow path is not blocked, and moisture can be efficiently discharged. Therefore, the user's body, which is a part of the wall of the air flow path, is directly exposed to the air, and the air flows through the groove, thereby effectively cooling the user's body by the heat of vaporization. In addition, moisture can be efficiently discharged to the outside from the open ends of the grooves arranged at the outer edges of the sheet body, so that it is possible to suppress the accumulation of moisture.

A sheet-like cushion according to a second invention is the seat cushion according to the first invention, wherein the seat body includes a seat surface portion having the seat surface and a backrest portion having the backrest surface, and the groove portion is formed in the seat surface. and a backrest side groove formed in the backrest surface and connected to the seat surface side groove, wherein the backrest side groove extends from the seat surface side end of the backrest surface to the seat surface. It is characterized by extending to the opposite end.
That is, in this sheet-like cushion, the backrest side groove extends from the end of the backrest on the side of the seat to the end on the side opposite to the seat, so that the backrest is positioned opposite from the end of the backrest on the side of the seat. Cooling and moisture evacuation effects can be obtained by the back side grooves over the entire length of the back portion over the side edges.

A sheet-like cushion according to a third aspect of the invention is the seat cushion according to the second aspect, wherein the air flow path has an intake port connected to the fan in the seat portion, and the intake port is connected to the backrest of the seat portion. It is characterized in that the seat side groove extends from the air inlet side to the backrest side.
That is, in this sheet-like cushion, the intake port is arranged at the end portion of the seat portion opposite to the backrest portion, and the groove on the seat surface extends from the intake port side to the backrest portion side. The air sucked in from the seat can obtain a cooling effect and a moisture discharging effect by the seat surface side groove over the entire length direction of the seat surface portion from the air inlet side to the backrest side. In addition, since the air intake is arranged at the feet of the seated user, the user's feet are also cooled by the wind generated by the flow of air sucked into the air intake.

A sheet-like cushion according to a fourth aspect of the invention is characterized in that, in the third aspect of the invention, the intake port is also arranged on a side surface of the seat surface portion.
In other words, in this sheet-like cushion, since the air intake is also arranged on the side of the seat, the air is not only blown through the air from the air from the air from the end of the seat, but also from the air from the air from the side of the seat. Being able to inhale makes it possible to ventilate a lot of air. In particular, even if the air intakes located at the ends of the seat are blocked by the user's feet or clothes, the air can be drawn in through the air intakes located on the sides of the seat, resulting in a cooling effect and moisture discharge. It is possible to suppress that the effect is significantly reduced.

A sheet-like cushion according to a fifth invention is the seat cushion according to any one of the second to fourth inventions, wherein the seat surface portion and the backrest portion are connected via a connecting portion and can be folded at the connecting portion. and the seat surface side groove and the backrest side groove are connected at their ends by the connecting portion.
That is, in this sheet-like cushion, the seat surface portion and the backrest portion are connected via the connection portion and are foldable at the connection portion, so that the backrest (seatback) of the baby stroller or vehicle seat on which it is placed is provided. can be bent at any angle corresponding to the inclination of In addition, since the ends of the seat side groove and the backrest side groove are connected to each other by the connection part, air can flow from the seat side groove to the backrest side groove even in a folded state.

A sheet-like cushion according to a sixth aspect of the invention is the seat cushion according to any one of the second to fifth aspects, wherein the backrest portion side of the seat surface is a concave curved surface that is recessed more than the end portion on the side opposite to the backrest portion. , the seat surface side groove is also formed in the concave curved surface.
That is, in this sheet-like cushion, the backrest side of the seat surface is a concave curved surface that is more concave than the end opposite to the backrest portion, and the seat surface side groove is also formed on the concave surface, so that the user can sit comfortably. A user such as an infant can be prevented from slipping down, and the groove on the seat surface of the concave curved surface can cool the buttocks of the user riding on the concave curved surface and expel moisture.

A sheet-like cushion according to a seventh invention is, in any one of the first to sixth inventions, installable on the seat of the stroller, and the stroller includes a buckle that protrudes from the seat and engages a belt of the stroller. The seat surface portion has a buckle hole through which the buckle can be inserted or a buckle recess into which the buckle can be fitted or inserted.
That is, in this sheet-like cushion, since the seat surface portion has a buckle hole through which the buckle can be inserted, the buckle can be fitted into the buckle hole or the buckle even when the seat-like cushion is placed on the seat of the stroller. Alternatively, the belt can be fitted to the buckle by passing it through an insertable buckle recess, and the sheet-like cushion can be prevented from coming off the seat of the stroller.

ADVANTAGE OF THE INVENTION According to this invention, there exist the following effects.
That is, according to the sheet-like cushion of the present invention, the air flow path has a plurality of grooves extending exposed on the seat surface and the backrest surface, and the ends of the grooves open to the outer edge of the seat body. Therefore, the user's body becomes a part of the wall that constitutes the air flow path, and the air circulates while directly hitting the body, so that the heat of vaporization can effectively cool the user. Moisture can be discharged efficiently without blocking the air flow path even when riding.
Therefore, when the seat cushion of the present invention is installed on the seat of a stroller, when an infant gets on the stroller, it is possible to effectively expel the moisture of diapers, etc. that are in contact with the seat surface to the outside. Become.

1 is a plan view showing a sheet-like cushion in the first embodiment of the sheet-like cushion according to the present invention; FIG. 1 is a perspective view showing a folded sheet-like cushion in the first embodiment; FIG. FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1; FIG. 2 is a cross-sectional view taken along line BB of FIG. 1; FIG. 4 is a rear view showing the sheet-like cushion in a folded state in the first embodiment; FIG. 5 is a plan view of the second embodiment of the sheet-like cushion according to the present invention; FIG. 11 is a perspective view showing a folded sheet-like cushion in the second embodiment; FIG. 7 is a cross-sectional view taken along line CC of FIG. 6; FIG. 7 is a cross-sectional view taken along line DD of FIG. 6; FIG. 10 is a front view showing the sheet-like cushion in a folded state in the second embodiment;

A first embodiment of a sheet-like cushion according to the present invention will be described below with reference to FIGS. 1 to 5. FIG.

As shown in FIGS. 1 to 5, the seat cushion 1 of this embodiment has a seat surface 2a on which the user sits and a backrest surface 2b that contacts the user's back, and a seat body 2 made of an elastic material. and a fan 3 installed in the seat body 2. - 特許庁
In particular, the sheet-like cushion 1 of this embodiment is a stroller cushion that can be installed on the seat of the stroller.

The seat body 2 has an air flow path 4 through which the air blown from the fan 3 can flow.
The air flow path 4 has a plurality of grooves 4a and 4b exposed and extending on the seat surface 2a and the backrest surface 2b.
The ends of the grooves 4a and 4b are open at the outer edges of the seat body 2. As shown in FIG.

The seat body 2 includes a seat surface portion 5A having a seat surface 2a and a backrest portion 5B having a backrest surface 2b.
The grooves 4a and 4b include a seat surface side groove 4a formed in the seat surface 2a and a backrest side groove 4b formed in the backrest surface 2b and connected to the seat surface side groove 4a.
The grooves 4a and 4b of this embodiment are composed of six seat surface side grooves 4a and six backrest side grooves 4b.

The backrest side groove 4b extends from the end on the side of the seat surface 2a to the end on the side opposite to the seat surface 2a in the backrest surface 2b. That is, the open end 4d of the backrest side groove 4b is arranged at the end of the backrest portion 5B.
The air flow path 4 has an intake port 4c connected to the fan 3 in the seat surface portion 5A.
The intake port 4c is arranged at the end of the seat surface portion 5A opposite to the backrest portion 5B.
In addition, the intake port 4c is also arranged on the side surface of the seat surface portion 5A.
A pair of intake ports 4c of the present embodiment are provided at the end of the seat portion 5A, and three inlet ports 4c are provided on both side surfaces of the seat portion 5A.

Each seat side groove 4a extends from the air inlet 4c side of the end portion of the seat portion 5A to the backrest portion 5B side.
The seat surface portion 5A and the backrest portion 5B are connected via a connecting portion 6 and can be bent at the connecting portion 6. As shown in FIG.
The connecting portion 6 is made of a material that is bendable and softer than the seat surface portion 5A and the backrest portion 5B, such as soft urethane foam. Moreover, the seat surface portion 5A and the backrest portion 5B are made of foamed polyethylene foam, for example.

The end portions of the seat side groove 4a and the backrest side groove 4b are connected to each other by a connecting portion 6. As shown in FIG.
The seat surface portion 5A has a buckle hole 7 through which a buckle projecting from the seat of the stroller and fitting a belt of the stroller can be inserted.

Further, the sheet-like cushion 1 of the present embodiment has a battery box 8 for driving the fan 3 on the bottom surface side near the connecting portion 6 of the seat portion 5A.
The battery box 8 can accommodate, for example, four AA batteries. A battery (rechargeable battery) may be built in instead of the battery box 8 .
A pair of the fans 3 are built in the right and left bottom portions of the seat portion 5A, and three seat side grooves 4a are formed above each fan 3. As shown in FIG.
It should be noted that each fan 3 has its rotation axis set in the vertical direction so as to send air toward the upper seating surface side groove 4a.

The air intake port 4c at the end of the seat portion 5A and the corresponding fan 3 are connected to each other by an air intake passage 4g formed in the seat portion 5A.
Three connection grooves 4e for connecting the pair of fans 3 are bridged between the pair of fans 3 on the back surface of the seat surface portion 5A. Two of the three connection grooves 4e extend through the buckle hole 7 in the middle.
Furthermore, a side groove 4f is formed on the rear surface of the seat portion 5A from the fan 3 to the air intake port 4c on the side near the seat portion 5A. That is, three pairs of side grooves 4f are formed on the rear surface corresponding to the three pairs of intake ports 4c formed on both side surfaces.

In the sheet-like cushion 1 of this embodiment, the air flows along the flow direction F as shown in FIG. That is, the air sucked by the fan 3 from the end of the seat surface 5A and the plurality of intake ports 4c on both sides passes through the air intake passage 4g, the side grooves 4f, and the connection grooves 4e from the fan 3 to the seat surface 5A. , and further flow from the plurality of seat surface grooves 4a to the plurality of backrest grooves 4b of the backrest portion 5B through the connecting portion 6, and finally discharged to the outside from the end portion 4d.

As described above, in the sheet-like cushion 1 of the present embodiment, the air flow path 4 has a plurality of grooves 4a and 4b exposed and extending on the seat surface 2a and the backrest surface 2b. , 4b, the upper openings of the grooves 4a and 4b are blocked by the user's body (buttocks and back), and the user's body becomes a part of the wall forming the air flow path 4. As shown in FIG. In addition, since the ends 4d of the grooves 4a and 4b are open at the outer edges of the seat body 2, even if a user gets on the seat, the air flow path 4 is not blocked and moisture can be efficiently discharged. .

Therefore, the air flows through the grooves 4a and 4b while directly hitting the user's body, which is a part of the wall of the air flow path 4, so that the user's body is effectively cooled by the heat of vaporization. be able to. In addition, moisture can be efficiently discharged to the outside from the opening ends 4d of the grooves 4a and 4b arranged at the outer edges of the sheet body 2, thereby suppressing the accumulation of moisture.
In addition, since the backrest side groove 4b extends from the end of the backrest surface 2b on the side of the seat surface 2a to the end portion of the side opposite to the seat surface 2a, the backrest portion 5B extends from the end of the backrest portion 5B on the side of the seat surface 2a. A cooling effect and a moisture evacuation effect can be obtained by the backrest side grooves 4b over the entire length of the backrest portion 5B over the side edges.

Further, the air intake port 4c is arranged at the end of the seat surface portion 5A opposite to the backrest portion 5B, and the seat surface side groove 4a extends from the air intake port 4c side to the backrest portion 5B side. The air sucked from 4c can obtain a cooling effect and a moisture discharging effect from the side groove of the seat surface 2a over the entire length direction of the seat surface 2a from the side of the intake port 4c to the side of the backrest. In addition, since the air intake port 4c is arranged under the feet of the seated user, the user's feet are also cooled by the wind generated by the flow of air sucked into the air intake port 4c.

Further, since the air intake port 4c is also arranged on the side surface of the seat portion 5A, the air is supplied not only from the air intake port 4c arranged at the end of the seat surface portion 5A but also from the air intake port 4c arranged on the side surface of the seat surface portion 5A. Being able to inhale makes it possible to ventilate a lot of air. In particular, even if the air inlets 4c provided at the end of the seat 5A are blocked by the user's feet or clothes, the air can be sucked from the air inlets 4c provided on the side of the seat 5A, thereby cooling the air. It is possible to prevent the effect and the moisture exhaust effect from being significantly reduced.

In addition, since the seat surface portion 5A and the backrest portion 5B are connected via the connection portion 6 and are foldable at the connection portion 6, the inclination of the backrest (seat back) of the baby stroller or vehicle seat to be placed thereon is prevented. can be bent at any angle. Further, since the ends of the seat surface side groove 4a and the backrest side groove 4b are connected to each other by the connecting part 6, air can flow from the seat surface side groove 4a to the backrest side groove 4b even in a bent state.

Since the sheet-like cushion 1 of this embodiment is for a stroller that can be installed on the seat of the stroller, when an infant rides on it, it is possible to effectively discharge the moisture of the diaper contacting the seat surface 2a to the outside. become.
In addition, since the seat surface portion 5A has a buckle hole 7 through which the buckle of the stroller can be inserted, the buckle can be passed through the buckle hole 7 even when the seat-like cushion 1 is placed on the seat of the stroller, and the belt can be secured to the belt. can be fitted to the buckle, and the sheet-like cushion 1 can be prevented from coming off the seat of the stroller.

Next, a second embodiment of the sheet-like cushion according to the present invention will be described below with reference to FIGS. 6 to 10. FIG. In addition, in the following description of the embodiments, the same constituent elements as those described in the above embodiments are denoted by the same reference numerals, and the descriptions thereof are omitted.

The difference between the second embodiment and the first embodiment is that in the first embodiment, the seat surface 2a of the seat surface portion 5A is entirely flat except for the seat surface groove 4a and the buckle hole 7. On the other hand, in the sheet-like cushion 21 of the second embodiment, as shown in FIGS. 6 to 10, the seat surface 22a of the seat surface portion 25A is a recessed curved surface.
That is, in the second embodiment, the backrest portion 25B side of the seat surface 22a is a concave curved surface that is recessed from the end portion on the side opposite to the backrest portion 25B. For this reason, the seat surface portion 25A is formed thinner at the backrest portion 25B side than at the end portion.
The seat side groove 4a is also formed on the concave surface.

Further, in the second embodiment, a pair of fans 23 are installed on the end surfaces of the seat surface portion 25A, and the front surfaces of the pair of fans 23 are used as air intakes 24c.
Further, a hollow portion 24g is formed in the seating surface portion 25A on the back side of the fan 23, and the fan 23 and the groove portions 4a and 4b are connected via the hollow portion 24g.
It should be noted that each fan 23 has its rotational axis set in the horizontal direction so as to send air toward the hollow portion 24g on the back surface.
Also, the battery box 28 is provided in the center of the end portion of the seat surface portion 25A (between the pair of fans 23).

In the second embodiment, the air sucked from the air intake port 24c by the pair of fans 23 enters the plurality of grooves 4a and 4b (seat side groove 4a and backrest side groove 4b) through the cavity 24g on the back side of the fan 23. It flows from the side of the seat surface 22a of the seat surface portion 25A to the backrest surface 2b of the backrest portion 25B, and exits from the end portion of the backrest portion 25B.

As described above, in the seat cushion 21 of the second embodiment, the backrest portion 25B side of the seat surface 2a is formed as a recessed curved surface that is recessed from the end opposite to the backrest portion 25B, and the seat surface side groove 4a is a recessed surface. Since it is also formed on the seat, it is possible to prevent a seated user such as an infant from slipping down, and the seat surface side groove 4a of the concave curved surface cools the buttocks of the user riding on the concave curved surface and expels the moisture.

The present invention is not limited to the above embodiments, and various modifications can be made without departing from the scope of the present invention.

For example, in the above-described embodiment, the connecting portion is made of a flexible and bendable soft material, but the connecting portion may be formed of a bendable hinge member or the like.
Further, in the above embodiment, the seat-like cushion for the stroller to be placed on the seat of the stroller is used, but it may be installed on a vehicle seat, a chair, a wheelchair, or the like, or may be installed on a bed or the like.
Furthermore, in the above-described embodiment, the seat portion is provided with the buckle hole through which the buckle can be inserted. In this case, the buckle concave portion is recessed toward the backrest portion at the end portion of the seat portion so that the buckle can be fitted or inserted into the buckle concave portion from the front of the end portion.

DESCRIPTION OF SYMBOLS 1, 21... Sheet-like cushion, 2... Seat main body, 2a, 22a... Seat surface, 2b... Backrest surface, 3, 23... Fan, 4... Air flow path, 4a, 4b... Groove part, 4a... Seat side groove, 4b ... Backrest side groove 4c, 24c ... Air intake 4d ... End of groove (backrest side groove) 5A, 25A ... Seat surface portion 5B, 25B ... Backrest portion 6 ... Connecting portion 7 ... Buckle hole

Claims (7)

a seat body having a seat surface on which a user sits and a backrest surface in contact with the back of the user and formed of an elastic material;
A fan installed in the seat body,
The seat body has an air flow path through which the air blown from the fan can flow,
wherein the air flow path has a plurality of grooves exposed and extending on the seat surface and the backrest surface;
A sheet-like cushion, wherein the end of the groove is open to the outer edge of the seat body. The sheet-like cushion according to claim 1,
The seat body includes a seat surface portion having the seat surface;
a backrest portion having the backrest surface,
a seat side groove formed in the seat surface, wherein the groove portion is formed in the seat surface;
a backrest side groove formed in the backrest surface and connected to the seat surface side groove,
The seat-like cushion, wherein the groove on the backrest side extends from an end on the side of the seat surface to an end on the side opposite to the seat surface on the surface of the backrest. In the sheet-like cushion according to claim 2,
The air flow path has an air intake connected to the fan in the seat surface,
the intake port is arranged at the end of the seat surface portion opposite to the backrest portion;
A sheet-like cushion, wherein the seat side groove extends from the air inlet side to the backrest portion side. In the sheet-like cushion according to claim 3,
A sheet-like cushion, wherein the intake port is also arranged on a side surface of the seat portion. In the sheet-like cushion according to any one of claims 2 to 4,
The seat surface portion and the backrest portion are connected via a connecting portion and can be bent at the connecting portion,
A sheet-like cushion, wherein the end portions of the seat side groove and the backrest side groove are connected to each other by the connecting portion. In the sheet-like cushion according to any one of claims 2 to 5,
The backrest portion side of the seat surface is a concave curved surface that is recessed from the end portion on the side opposite to the backrest portion,
A sheet-like cushion, wherein the seat side groove is also formed on the concave curved surface. In the sheet-like cushion according to any one of claims 1 to 6,
It can be installed on the seat of the stroller,
The stroller has a buckle that protrudes from the seat and engages the belt of the stroller,
A sheet-like cushion, wherein the seat surface portion has a buckle hole through which the buckle can be inserted or a buckle recess into which the buckle can be fitted or inserted.

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