Air mattress and method for manufacturing the air mattress

Abstract

The present invention relates to an air mattress which, when used as an underlay, provides insulation and cushioning between the user and the floor by supporting the weight of the user with air blown into an enclosed space formed by two sheets of airtight fabric and the joining line between these fabrics, and which, when not in use, can be deflated to reduce its volume and folded up for easy handling. The air mattress is divided into: a bag-system intake and exhaust port 201, a tube-system intake and exhaust port 301 and tube member 310 are arranged between lower sheet 110 and upper sheet 120, and then crushed and heat-sealed to form heat-sealed line 400; a bag system 200 which serves to support the weight of the user and which includes bag-system intake and exhaust port 201, air bag 210 and connecting part 220 between the air bags as components, with tube member 310 as the boundary; and a tube system 300 which serves to block the flow of air between air bags 210 and which includes tube-system intake and exhaust port 301, tube member 310 and communicating part 320 as components.

Description

Technical Field

[0001] The present invention relates to an air mattress that, when used as a mattress pad, provides heat insulation and a cushioning effect between the user and the floor surface by the air blown into the sealed space formed by two airtight fabrics and the joining line between these fabrics supporting the user's weight, and that can be deflated when not in use to reduce its volume and can be folded for easy handling, as well as a method for manufacturing the same.

Background Art

[0002] Generally, an air mattress is formed in a sealed, rectangular shape with a certain height from airtight fabric, and one or more valves for injecting air are provided. By injecting and discharging air through the valves, it is easy to carry and move, and thus it is used not only for leisure activities such as mountain climbing and traveling, but also as a medical device for preventing bedsores. This air mattress not only forms an air layer inside, but also has reinforcing bars connecting the top and bottom inside or continuously and densely forms fiber threads penetrating the top and bottom to prevent twisting and slipping during use and to make it easier to touch the undulating human body.

[0003] However, in the case of the above-mentioned ordinary air mattress, when a reinforcing bar is formed inside, the reinforcing bar may fall off, making it difficult to repair. If the reinforcing bar is left inside, the cushioning feeling will decrease. When a large number of fiber threads are formed, the fiber threads may become entangled, reducing the flatness of the air mattress. If the fiber threads are continuously pulled out while being partially broken, the airtightness will decrease.

[0004] The background art of the present invention is published in Korean Registered Utility Model Publication No. 20-0388951, filed with the Korean Intellectual Property Office and registered on June 28, 2005.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] The object of the present invention is that in a conventional air mattress, due to the phenomenon that the part where the user's weight is placed sags excessively, it is impossible to sufficiently provide the heat insulation and cushioning effects between the user and the floor surface. There are problems such as the large height difference between the part where the weight is placed and the part that bulges due to the balloon effect without weight, and the difficulty of moving the user's sleeping place and turning over on the air mattress due to the large contact (friction) area between the user and the air mattress. There are also points where it is necessary to blow air into the mouth or provide a separate air pump, points where air cannot be continuously injected or discharged by the air pump, points where there is a risk that a person stepping on the air mattress filled with air may lose balance and fall due to its high height, and points where it is difficult to dehydrate the air mattress made of airtight fabric when washing. The present invention aims to provide an improved air mattress and its manufacturing method.

Means for Solving the Problems

[0007] The present invention is composed of a large number of air bags 210 that can allow or block the flow of air filled in the air mattress. By supporting the user's weight in a state where the flow of air filled in these air bags 210 is blocked, it improves the phenomenon that the part where the user's weight is placed in a conventional air mattress excessively sags, provides heat insulation and cushioning effects between the user and the floor surface, reduces the height difference between the part that sags under the weight and the part that bulges due to the balloon effect without the weight, and reduces the contact (friction) area between the user and the air mattress, making it easier for the user to move their sleeping position or turn over on the air mattress. By giving the functions of air pumps 230, 240, 330, and 340 to a part of the air mattress itself, there is no need to blow air by mouth or provide a separate air pump. Two bag-type air suction pumps 230, two tube-type air suction pumps 330, one bag-type air discharge pump 240, and one tube-type air discharge pump 340 are paired respectively, and by applying pressure alternately, air can be continuously injected or discharged. Since there are heat fusion points 500 where the mat members 100 in the middle or several locations at a certain interval on the plane of the air bag 210 are crushed and heat-sealed, by making the height of the air mattress filled with air an appropriate height, the risk of a person stepping in losing balance and falling is reduced. Since there are holes or gaps 600 that assist in draining water at the heat fusion points 500, it is characterized in that dehydration can be smoothly performed when washing an air mattress made of airtight fabric, and an air mattress and its manufacturing method are provided.

Effects of the Invention

[0008] The air mattress according to the present invention alleviates the excessive sagging phenomenon of the portion where the weight is placed as seen in conventional air mattresses, provides heat insulation and cushioning effects between the user and the floor surface, reduces the height difference between the portion where the weight is placed and the portion that bulges upward due to the balloon effect where no weight is placed, and reduces the contact (friction) area between the user and the air mattress, making it easier for the user to move their sleeping position and turn over on the air mattress. It is not necessary to blow air into it by mouth or provide a separate air pump, and air can be continuously injected or discharged. The risk of a person stepping on the air mattress filled with air losing balance and falling is reduced, and there is an effect that dehydration can be smoothly performed when washing.

Brief Description of the Drawings

[0009]

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Figure 10

Embodiment for Carrying Out the Invention

[0010] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0011] As shown in FIGS. 1 to 3, an air mattress according to an embodiment of the present invention includes a bag-type intake / exhaust port 201, a tube-type intake / exhaust port 301, and a tube member 310 arranged as shown between a lower sheet 110 and an upper sheet 120, crushed and heat-sealed to form a heat-sealing line 400. An air system (referred to as a bag system 200) that supports the user's weight with components including the bag-type intake / exhaust port 201, an air bag 210, and a connecting portion 220 between air bags, as shown in FIG. 4, and an air system (referred to as a tube system 300) that blocks the air flow between air bags 210 with components including the tube-type intake / exhaust port 301, the tube member 310, and a communication portion 320, as shown in FIG. 5.

[0012] If air is first injected into the bag system 200, the air flow between the air bags is allowed into the air circulation holes 225 intentionally formed by skipping heat fusion at the connection part 220 between the air bags and the gap between the mat member 100 and the tube member 310. As shown in FIG. 6, the entire bag system 200 is filled with air. Then, if air is injected into the tube system 300 at a pressure higher than that of the bag system 200, the tube member 310 expands to block the gap between the air circulation holes 225 intentionally formed by skipping heat fusion at the connection part 220 between the air bags and the mat member 100 and the tube member 310. As shown in FIG. 7, the air bags 210 are in a state where the air flow between them is blocked, supporting the user's weight and alleviating the phenomenon that the part where the weight is placed in a conventional air mattress excessively sags. Thus, heat insulation and a cushioning effect between the user and the floor surface are provided. The height difference between the part where the weight is placed and the part where no weight is placed bulged by the balloon effect, and the contact (friction) area between the user and the air mattress are reduced, making it easier for the user to move their sleeping position or turn over on the air mattress.

[0013] As shown in FIG. 9, specific spaces formed by the heat fusion lines 400 between the mat members 100 are filled with elastic bodies 234, 244, 334, 344. Intake ports 232, 242, 332, 342 and exhaust ports 233, 243, 333, 344, which are check valves allowing air flow only in one direction across the heat fusion lines 400 forming the spaces, are provided. When pressure is applied to the elastic bodies 234, 244, 334, 344, the air contained in the elastic bodies 234, 244, 334, 344 is sent out through the exhaust ports 233, 243, 333, 344. When the pressure applied to the elastic bodies 234, 244, 334, 344 is removed, the elastic bodies 234, 244, 334, 344 repeatedly suck in air through the intake ports 232, 242, 332, 342 by the restoring force. Thus, the air pumps 230, 240, 330, 340, which serve as pumps, exist in the air mattress itself as shown in FIG. 8. Therefore, it is not necessary to blow air into the air mattress by mouth or provide a separate air pump.

[0014] As shown in FIG. 8, two bag-type air suction pumps 230, two tube-type air suction pumps 330, one bag-type air discharge pump 240, and one tube-type air discharge pump 340 are paired respectively and apply pressure alternately, so that air can be continuously injected and discharged.

[0015] As shown in FIG. 8, since there are heat fusion points 500 where the mat members 100 at one place or several places separated by a certain interval on the plane of the air bag 210 are crushed and heat-sealed, by setting the height of the air-filled air mattress to an appropriate height, the risk that a person stepping on the air-filled air mattress will lose balance and fall can be reduced.

[0016] As shown in FIG. 8, since there are holes or gaps 600 that penetrate the mat member 100 and assist in draining water within the heat fusion point 500, dehydration can be smoothly performed when washing an air mattress made of an airtight synthetic resin fabric.

[0017] As shown in FIG. 10, the method for manufacturing the air mattress of the present invention includes a step (S10) of laying out the lower sheet 110, a step (S20) of arranging and fixing the air intake / exhaust ports 201, 301 or the air pump intake ports 232, 242, 332, 342, the exhaust ports 233, 243, 333, 343, the elastic bodies 234, 244, 334, 344 and the tube member 310, a step (S30) of overlaying the upper sheet 120, a step (S40) of crushing and heat-sealing the mat member 100, a step (S50) of cutting out holes or gaps 600 that assist in draining water when washing the margin of the mat member 100 and the air mattress, a step (S60) of attaching plugs or clips 700 for closing the air intake / exhaust ports 201, 301 or the air suction pump intake ports 232, 332 and the air discharge pump exhaust ports 243, 343, a step (S70) of filling both air systems of the completed air mattress with air, immersing it in a liquid, and checking the airtightness based on the presence or absence of bubbles generated outside, and a step (S80) of evacuating one air system of the completed air mattress and injecting air only into the remaining other air system to check the airtightness between the two air systems based on whether the evacuated air system bulges.

Claims

1. When used as a mattress pad, air blown into the sealed space formed by two airtight fabrics and the joining lines between these fabrics supports the user's weight, providing heat insulation and a cushioning effect between the user and the floor surface. When not in use, the air is removed, reducing the bulk and making it easy to fold and handle. In an air mattress, a bag-type air intake / exhaust port (201), a tube-type air intake / exhaust port (301), and a tube member (310) are arranged between the lower sheet (110) and the upper sheet (120), and a heat-sealing line (400) formed by pressing and heat-sealing them together. With the tube member (310) as a boundary, a bag-type (200) that uses the bag-type air intake / exhaust port (201), the air bag (210), and the connecting part (220) between the air bags as components to support the user's weight, and a tube-type (300) that uses the tube-type air intake / exhaust port (301), the tube member (310), and the communication part (320) as components to block the air flow between the air bags (210). It is divided into, If air is first injected into the bag-type (200), the air flow between the air bags (210) is allowed through the air circulation holes (225) and the gaps between the mat member (100) and the tube member (310), and the entire bag-type (200) is filled with air. Then, if air is injected into the tube-type (300) at a pressure higher than that of the bag-type (200), the tube member (310) expands to block the gaps between the air circulation holes (225), the mat member (100), and the tube member (310), creating an air bag (210) in a state where the air flow between them is blocked, supporting the user's weight and alleviating the phenomenon that the part where the weight is placed sags excessively. This provides heat insulation and a cushioning effect between the user and the floor surface. The height difference between the part that sags under the weight and the part that bulges due to the balloon effect without the weight, and the contact (friction) area between the user and the air mattress are reduced, making it easier for the user to move their sleeping position or turn over on the air mattress. An air mattress characterized by this.

2. The air mattress according to claim 1, characterized in that a part of the air mattress itself serves as an air pump (230) (240) (330) (340), eliminating the need to blow air into it by mouth or provide a separate air pump.

3. Two bag-type air suction pumps (230), two tube-type air suction pumps (330), one bag-type air discharge pump (240), and one tube-type air discharge pump (340) are paired respectively. By alternately applying pressure to the paired pumps, it is possible to continuously inject and discharge air. The air mattress according to claim 1, characterized in that.

4. There are heat fusion points (500) where the mat members (100) at one central location or several locations separated by a certain interval on the plane of the air bag (210) are crushed and heat-fused. By setting the height of the air mattress filled with air to an appropriate height, the risk of a person stepping on it losing balance and falling is reduced. The air mattress according to claim 1, characterized in that.

5. Since there are holes or gaps (600) that penetrate the mat member (100) at the heat fusion point (500) according to claim 4 to assist in draining water, dehydration is smoothly performed when washing the air mattress made of airtight fabric. The air mattress according to claim 1, characterized in that.

6. The step of laying out the lower sheet (110), The step of arranging and fixing the air intake and exhaust ports (201)(301) or the air pump intake ports (232)(242)(332)(342), exhaust ports (233)(243)(333)(343), elastic bodies (234)(244)(334)(344), and the tube member (310), The step of overlapping the upper sheet (120), The step of crushing and heat-fusing the mat member (100), The step of cutting out the margin of the mat member (100) and the holes or gaps (600) that assist in draining water when washing the air mattress, The step of attaching a plug or clip (700) to close the air intake and exhaust ports (201)(301) or the air suction pump intake ports (232)(332) and the air discharge pump exhaust ports (243)(343), The step of filling both air systems of the completed air mattress with air, immersing it in a liquid, and checking the airtightness by the presence or absence of bubbles outside, The step of evacuating one air system of the completed air mattress, injecting air only into the remaining other air system, and checking the airtightness between the two air systems by whether the evacuated air system bulges up, A method for manufacturing an air mattress, including.

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