JPH0633887Y2 - Inflatable and retractable portable seating team - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to an inflatable and retractable portable seating stool capable of blowing air during use and discharging air during carrying.

[Conventional technology]

In recent years, in order to prevent numbness in the legs that often occurs during lessons such as fresh flowers and music that require a long sitting time, an aerial seating troupe is placed on the tatami mat and the human buttocks are placed on it. , The pressure applied to the blood vessels from the thigh to the leg is reduced.

This type of zakkadan will be explained with reference to FIG.
Is an opening 52 that can be opened and closed by a chuck 53 in the center of the upper surface.
An outer bag 51 made of fiber that is capable of forming a substantially rectangular cube, and is inserted and mounted inside the outer bag 51 through the opening 52 of the outer bag 51 and is flush with the upper surface. It has a check valve-equipped air blowing port 55 and a plastic air bag 54 that has the same shape as the outer bag 51 and is slightly smaller than the outer bag 51. After the air bag 54 is inserted through the opening 52, air is blown from the air blowing port 55 with a check valve to expand the air bag, and then the chuck 53 is tightened for use. Then, when carrying it, open the chuck 53, press it with a finger so that the check valve of the check valve-equipped air blow-in port 55 does not work, and forcefully open it to discharge the air in the air bag 54. After contracting, I carry this.

[Problems to be solved by the device]

According to the carrying type seat troupe configured in this way, since its outer shape is a cubic cube, it can be used in a state conforming to the shape of the thigh or buttock simply by contacting the buttocks of a sitting human. Not only is it not stable, it is easy to get tired if you sit for a long time, and you also have to open your knees and take a bad sitting posture.

Therefore, in order to prevent the knee from opening, if the whole is formed to be elongated, the knee does not open, but there is a problem that the contact area of the buttocks becomes small and the knee is still unstable.

Also, since the outer bag and the air bag are configured as a double bag,
When the buttocks are moved to re-sit while sitting down, slippage occurs between the two each time, making it uncomfortable to sit in, and in some cases the air blowing port of the air bag is displaced from the position of the opening of the outer bag, For this reason, there is a problem that it is necessary to search for this when discharging air.

Furthermore, since the air blowing port of the air bag is located on the same plane as the surface of the air bag, gripping by the mouth is not possible, which makes it difficult to blow the air, and the check valve is provided to prevent In addition to making it difficult to blow, it is necessary to check the position of the check valve at the time of air discharge and press it to make it inoperable and open it. There is a problem that it cannot be operated easily.

The present invention has been made in view of the above problems, and its purpose is to provide good stability when sitting down, no fatigue even when used for a long time, and further air blowing and (EN) Provided is an inflatable and deflated portable seat which can easily discharge air.

Further, the purpose of the present invention is to reduce the horizontal bulge of the seating troupe due to the pressure applied from the top when seated to improve the stability of the posture when seated and to reinforce the seating itself. The purpose is to provide an inflatable and inflatable portable seating squad.

[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention comprises a cloth body having a rough surface and an airtight material on the back surface, one end of which is a long side portion and the other end of which is sharp. And a top surface and a bottom surface having a shape extending from the long side portion to the narrow portion via the bulging portion and continuing from the narrow portion to the tip portion. While forming a cube having a side surface portion connected to the edge of the bottom surface portion, an elliptical cylinder having a through hole inside is provided inside the upper portion of the tip portion, and a through hole of the elliptical cylindrical body is formed. The point is that it is configured to connect an air blowing tube that has a length that allows it to be gripped and that projects to the outside and that can be attached with a sealing plug.

Further, the present invention connects the reinforcing cloth body to the long side portion and the tip end side of the cube in the horizontal direction of the inner wall surface of the side surface portion extending from the bulge portion to the tip end portion of the cube. There is a point that was configured.

[Action]

At the time of use, the air blowing tube is put in the mouth to blow air, and after being expanded, it is sealed with a sealing plug for use. When carrying it, pull out the sealing plug, apply pressure by hand to the seat cushion to expel the air inside, fold and carry.

At the time of occupancy, the bulging squash is restricted from expanding in the horizontal direction by the pressure applied from the upper portion by the reinforcing cloth bodies provided on the inner wall surfaces on both sides of the cube.

〔Example〕

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a top view thereof, FIG. 3 is a cross-sectional view of a cloth body applied to this, and FIG. 4 is a side view as seen from the tip thereof. Therefore, the inflatable and contractible seat 1 is configured as follows.

That is, the front surface 41 has a rough surface with a rough surface such as a fibrous body, and the back surface thereof has an airtight material 42 such as vinyl or rubber integrally formed by means of baking or the like. 4 and has a long side 21 at one end from which a bulge 22,
An upper surface portion 2 having a shape reaching the narrow width portions 23, 23 through 22 and further leading to a tip end portion 24 narrowed and narrower than the narrow width portions 23, 23, and a lower surface portion 3 having the same shape as this. Are connected to each other by, for example, an adhesive or the like, by a side surface portion 5 made of a similar cloth which is interposed between the edges of the upper surface portion 2 and the lower surface portion 3 to form a cube that can be expanded and contracted.

Then, in the horizontal direction of the inner wall surface of the side surface portion 5 from the bulging portions 22, 22 of the cube to the tip end portion 24, gaps G, G in which air freely communicates with the long side portion 21 and the tip end portion 24. The above-mentioned cloth body 4 formed so as to have an area for forming a reinforcing cloth body 25 (shown by a one-dot chain line) made of a cloth material such as vinyl having a strength that does not easily break by an adhesive or the like. Connecting.

Further, one end face 8 of a cylindrical body 6 made of a hard synthetic resin and having a substantially elliptical cross section is provided inside the upper portion of the tip end portion 24 of the cube so as to be exposed to the outside, and the elliptical cylindrical body 6 is provided. A through hole 7 is bored in the axial direction, and an air blowing tube 9 having a length that allows communication with the through hole 7 and allows one end face 8 to be held by the mouth is projected. An insertion-type sealing plug 10 that is provided and seals the air blowing tube 9 is detachably attached to the air blowing tube 9.

In the figure, reference numeral 12 indicates a portion in which both end portions of the side surface portion 5 are connected to each other by an adhesive material or the like.

Explaining the operation of the inflatable and defensible portable seat cushion thus configured, immediately before use, after pulling out and removing the sealing plug 10, the user blows the air blowing tube 9 into the contracted seat cushion. Air is blown through the through hole 7 to expand it to form the cube shown in FIG. 1, and then the sealing plug 10 is firmly inserted into the air blowing pipe 9. Then, when this is applied to the buttocks of the person trying to sit down, the buttocks are located in a wide area portion surrounded by the bulging portions 22 and 22 from the long side portion 21 of the seat cushion 1, and the thighs are narrow portions. It is located so as to straddle a narrow area portion from 23, 23 to the tip portion 24. Therefore, the buttocks are stable and
You can sit without opening your knees.

Also, due to the pressure applied from the top when sitting, the seating team 1
Tries to bulge in the horizontal direction, but the reinforcing cloth 25 acts to reduce the bulge.

When carrying it, when the sealing plug 10 is pulled out from the air blowing tube 9, the internal air is naturally discharged, and further the remaining air is discharged and contracted by pressing by hand, and it is folded and carried. To do.

Incidentally, in place of the above-mentioned insertion type sealing plug, by providing a gas plug type rotary sealing plug in the air blowing pipe, it is closed immediately after the end of air blowing to prevent leakage of air. It becomes possible to do so.

Further, the above-mentioned reinforcing cloth is not limited to one piece,
It is also possible to provide a plurality of sheets.

[Effect of device]

As described above, according to the present invention, the front surface is made of a cloth body having a rough surface and the back surface is provided with an airtight material, and one end has a long side portion and the other end has a sharp tip portion. A cube that has an upper surface portion and a bottom surface portion that reach the narrow portion through the bulging portion and has a shape that continues from the narrow portion to the tip portion, and that has a side surface portion that is connected to the edges of the upper surface portion and the bottom portion. The buttock is located in a wide area formed by the long side portion and the bulge when seated, and the thigh spans a narrow area portion from the narrow portion to the pointed tip. It is possible to sit in a stable state without opening the knees, which not only greatly reduces the feeling of fatigue when sitting for a long time, but also Since the surface of the cloth body has a rough surface, it may slip on the clothes when sitting. No, not a further double-bag type,
Since the cloth body is integrally formed by the rough surface and the airtight material,
It is possible to improve the sitting comfort when sitting.

Further, since the air blowing tube having a length capable of being gripped is configured to project to the outside, it is possible to easily blow air by gripping. Also, since a sealing plug can be attached, air can be easily discharged, so that even children and elderly people can easily discharge air, and the air blowing tube is at the top of the tip of this seat, that is, when seated. Since it is attached to the thigh side, it has an excellent effect that the hem of the kimono does not get caught on it when shifting from the sitting posture to the standing posture.

Moreover, since the cylindrical body to which the air blowing tube is attached is formed in an elliptical shape, it has an effect of not being bulky when folded.

Further, according to the present invention, the reinforcing cloth body is connected to the long side portion and the tip portion side of the cube in the horizontal direction of the inner wall surface of the side surface portion extending from the bulge portion to the tip portion of the cube. Since it is configured as described above, it is possible to reduce the bulging of the seating troupe in the horizontal direction due to the pressure from the upper part when sitting, and further improve the stability of the posture when sitting down, and also to reinforce the seating itself. Can be done.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a top view showing the above embodiment with a part of an elliptic cylinder exposed.
FIG. 3 is a cross-sectional view of the cloth body used in the above embodiment, FIG. 4 is a side view of the above embodiment as seen from the front end portion, and FIG. 5 is a conventional carrying type seat cushion with an outer bag and an inner bag separated from each other. FIG. DESCRIPTION OF SYMBOLS 1 ... Inflatable / contractible carrying seat, 2 ... Upper surface of carrying seat, 21 ... Long side part, 22 ... Swelling part, 23 ... Narrow part, 24 ...
Tip part, 3 ... Lower part of carrying type seat, 4 ... Surface is rough,
Cloth body provided with airtight material on the back surface, 5 ... Side surface, 6 ... Elliptical cylinder body, 7 ... Through hole, 8 ... One end surface of elliptical cylinder body, 9
… Air blowing tube, 10… Sealing plug, 25… Reinforcing cloth,

Claims (2)

[Scope of utility model registration request] 1. A cloth body having a rough surface and an airtight material on the back surface, one end having a long side portion and the other end having a sharp tip portion, and the long side portion having a bulging portion interposed therebetween. To a narrow portion, and a top surface portion and a bottom surface portion having a shape continuing from the narrow portion to the tip portion, and a side surface portion connected to the edge portion of the top surface portion and the bottom portion. On the other hand, while forming, an elliptic cylinder having a through hole inside is provided inside the upper part of the tip portion, and the through hole of the elliptical cylinder has a grippable length to the outside. An inflatable and deflated portable seating team, characterized in that it is connected to a projecting air-blowing tube that can be fitted with a sealing plug. 2. A reinforcing cloth body is connected in a horizontal direction of an inner wall surface of a side surface portion extending from the bulging portion of the cube to the tip portion, leaving a gap between the long side portion and the tip portion side of the cube. The inflatable and deflated portable seating squad according to claim 1.