Multi-layer air mattress

Abstract

To provide a multi-layer air mattress which can provide a superior support effect and does not require a separate air injecting means. [Solution] A multi-layer air mattress comprising an underlayment layer 1 surrounding a lower space, an air mattress layer 2 arranged above the underlayment layer 1 and having two air chambers defined therein by an outer wall and a partition plate arranged on the outer wall, and an air pressure adjustment means 3, wherein the air pressure adjustment means 3 comprises an air injection pump housed in the lower space of the underlayment layer 1, an air injection valve arranged on the air mattress layer 2 so as to communicate with the air injection pump and the two air chambers, and two exhaust adjustment valves 35 arranged on the outer wall so as to communicate with each air chamber respectively.

Description

[Technical Field]

[0001] The present invention relates to a mattress, and more particularly to a multi-layer air mattress. [Background technology]

[0002] Conventional mattresses are classified into various types based on their structure, such as bonnell coil mattresses, pocket coil mattresses, and air mattresses. Among these, air mattresses utilize air pressure to support the human body while offering a wide range of deformation, making them convenient to store and offering a more comfortable sleeping experience.

[0003] However, there is still room for improvement in the support capabilities of air mattresses. Summary of the Invention [Problem to be solved by the invention]

[0004] SUMMARY OF THE INVENTION In view of the above problems, the present invention aims to provide a multi-layer air mattress that can improve at least one of the above drawbacks. [Means for solving the problem]

[0005] In order to achieve the above-mentioned object, the present invention provides a multi-layered air mattress comprising an underlayment layer surrounding a lower space, an air mattress layer disposed above the underlayment layer and having two air chambers defined therein by an outer wall and a partition plate disposed on the outer wall, and an air pressure adjustment means, wherein the air pressure adjustment means comprises an air injection pump housed in the lower space of the underlayment layer, an air injection valve disposed on the air mattress layer so as to communicate with the air injection pump and the two air chambers, and two exhaust adjustment valves disposed on the outer wall so as to communicate with the two air chambers, respectively, and is configured so that air from the air injection pump can be injected into the two air chambers by the air injection valve and air from the two air chambers can be exhausted by the two exhaust adjustment valves, thereby providing a multi-layered air mattress capable of adjusting the air pressure in the two air chambers. [Effects of the Invention]

[0006] The multi-layer air mattress of the present invention, having the above-mentioned configuration, can provide better support by placing the air mattress layer on top of the underlayment layer, and does not require a separate air injection means to inflate the air mattress layer.Furthermore, by controlling each exhaust adjustment valve, the air pressure in the two air chambers can be adjusted individually. [Brief explanation of the drawings]

[0007] [Figure 1] 1 is a perspective view showing the configuration of a first embodiment of a multi-layer air mattress of the present invention; FIG. [Figure 2] FIG. 2 is a top view illustrating the configuration of the underlying layer of the first embodiment. [Figure 3] FIG. 2 is a perspective view showing an underlay layer and an air mat layer of the first embodiment. [Figure 4] FIG. 2 is an explanatory top view of the air mat layer of the first embodiment. [Figure 5] FIG. 2 is a cross-sectional explanatory view of the air mat layer of the first embodiment. [Figure 6] FIG. 10 is a cross-sectional view of the air mat layer of the same embodiment, showing the state in which the ball plug is moved when air is injected. [Figure 7] FIG. 2 is a perspective view showing the configuration of a second embodiment of the multi-layer air mattress of the present invention. [Figure 8] FIG. 10 is an explanatory top view of the air mat layer of the second embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0008] In order to more clearly explain the objectives, technical means, and advantages of the embodiments of the present invention, the following will clearly and completely describe the technical means in the embodiments of the present invention in combination with the accompanying drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. Generally, the components of the embodiments of the present invention depicted and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the detailed description of the embodiments of the present invention provided below in the accompanying drawings does not constitute any limitation on the protection scope of the present invention, but merely represents selected embodiments of the present invention.

[0009] As shown in Figures 1 and 2, the first embodiment of the multi-layer air mattress of the present invention comprises an underlayment layer 1, an air mattress layer 2, an air pressure adjusting means 3, a latex layer 4, a sponge layer 5, and a surface layer 6.

[0010] 2 to 4, the underlying layer 1 is formed in a rectangular parallelepiped shape, and the air mattress layer 2 can be placed on top of it. The underlying layer 1 surrounds a lower space 11, and an air injection pump 32 (described below) of the air pressure adjusting means 3 can be housed in the lower space 11.

[0011] The air mat layer 2 is placed above the underlay layer 1, and two air chambers 23 are defined inside by an outer wall 21 formed in the shape of a hollow rectangular parallelepiped and a partition plate 22 placed inside the outer wall 21. In Figures 3, 4, 7 and 8, the upper part of the outer wall 21 is omitted in order to clearly show the internal configuration, such as the partition plate 22 and air chambers 23 placed inside the outer wall 21.

[0012] Furthermore, the air mat layer 2 further has a plurality of reinforcing plates 24 arranged in each air chamber 23 so as to connect to the outer wall 21. In this first embodiment, each reinforcing plate 24 arranged in each of the two air chambers 23 is made of a plastic material, extends parallel to the partition plate 22, and is formed so that both upper and lower ends are in contact with the outer wall 21, thereby serving as a supporter within each air chamber 23. Also, each reinforcing plate 24 has notch openings 241 formed at both upper and lower ends, so that the spaces partitioned by the reinforcing plates 24 in each air chamber 23 communicate with each other via the notch openings 241.

[0013] As shown in Figures 2, 3 and 5, the air pressure adjusting means 3 has an air injection valve 31, an air injection pump 32, a switch 33, an air pressure meter 34, and two exhaust adjustment valves 35.

[0014] An air injection valve 31 is disposed on the air mat layer 2 so as to communicate with an air injection pump 32 and two air chambers 23 .

[0015] The air injection pump 32 is housed in the lower space 11 of the underlayment layer 1 and supplies air drawn in from the outside to the air injection valve 31 .

[0016] The switch 33 is electrically connected to the air injection pump 32 and is disposed on the underlying layer 1. This allows the switch 33 to control the ON / OFF of the air injection pump 32.

[0017] An air pressure meter 34 is electrically connected to the air injection pump 32 and communicates with each air chamber 23. This allows the air pressure in each air chamber 23 to be measured and displayed by the air pressure meter 34.

[0018] Two exhaust adjustment valves 35 are arranged on the outer wall 21 so as to communicate with the two air chambers 23, respectively.

[0019] With this configuration, air from the air injection pump 32 can be injected into the two air chambers 23 using the air injection valve 31, and the air pressure in the two air chambers 23 can be adjusted by discharging the air from the two air chambers 23 using the two exhaust adjustment valves 35 as needed.

[0020] Specifically, the air injection valve 31 includes a junction 310, an air injection pipe 311 extending from the junction 310 and communicating with the air injection pump 32 via an inlet 311a, and two branch pipes 312 extending from the junction 310 to communicate with the two air chambers 23, respectively. The diameter of the air injection valve 31 is larger than the diameters of the air injection pipe 311 and the two branch pipes 312, so that when the air injection valve 31 is located at the junction 310, communication between the air injection pipe 311 and the two branch pipes 312 is blocked. and when it moves away from junction 310, air injection pipe 311 and two branch pipes 312 communicate with each other via junction 310; retraction pipe 313 extending from junction 310 so as to be able to accommodate ball plug 315; spring seat 314 located at the end of retraction pipe 313 remote from junction 310; and spring member 316 housed within retraction pipe 313 so that both ends abut against spring seat 314 and ball plug 315, respectively.

[0021] With this configuration, when air injection pump 32 is started by operating switch 33 and air from air injection pump 32 is injected into air injection tube 311 via injection port 311a, ball plug 315, which is located at junction 310 and blocks communication between air injection tube 311 and two branch pipes 312 as shown in Figure 5, is pushed into evacuation tube 313 by air pressure from air injection pump 32, and air injection tube 311 and the two branch pipes 312 become connected at junction 310 as shown in Figure 6, so that air from air injection pump 32 is injected into the two air chambers 23 via the two branch pipes 312.

[0022] At this time, the ball plug 315 pushed into the retraction tube 313 compresses the spring member 316 contained in the retraction tube 313, and when it is confirmed, for example by the air pressure meter 34, that the air pressure in each air chamber 23 has reached the desired value, the operation of the air injection pump 32 is stopped by manually or automatically operating the switch 33, and the restoring force of the spring member 316 pushes the ball plug 315 back to the junction part 310, cutting off the communication between the air injection tube 311 and the two branch tubes 312, thereby maintaining the air pressure in the two air chambers 23 at the desired value and allowing the air mattress layer 2 to exert a cushioning effect.

[0023] Furthermore, by discharging the air from the two air chambers 23 using two exhaust adjustment valves 35 arranged in each of the two air chambers 23, it is possible to control the air pressure in the two air chambers 23 individually.

[0024] In addition, a latex layer 4 is laminated on the air mattress layer 2, a sponge layer 5 is laminated on the latex layer 4, and a surface layer 6 is further laminated on the sponge layer 5. This makes the multi-layer air mattress of the present invention even softer. The sponge layer 5 can be made of, for example, urethane foam, latex foam, etc., and can also be made of memory foam. The surface layer 6 can be made of, for example, a cloth material.

[0025] A second embodiment of the present invention is shown in Figures 7 and 8. As shown in the figures, in this second embodiment, three reinforcing plates 24 are disposed in each of two air chambers 23, and each reinforcing plate 24 extends perpendicular to the partition plate 22 and is formed so that both its upper and lower ends are in contact with the outer wall 21. In other words, the present invention shows that there are no particular limitations on the number or extension direction of the reinforcing plates 24 disposed in the air chambers 23, as long as both their upper and lower ends are in contact with the outer wall 21 and can function as supporters.

[0026] To summarize the above, the multi-layer air mattress of the present invention has an air mattress layer 2 disposed above the underlayment layer 1, thereby providing better support than conventional air mattresses, and the air inflation means 3 for inflating air into the air mattress layer 2 is incorporated into the air mattress layer 2 and the underlayment layer 1, eliminating the need for a separate air inflation means, and furthermore, the air pressure in the two air chambers 23 can be adjusted independently by controlling each exhaust adjustment valve 35. Thus, the object of the present invention is reliably achieved.

[0027] The above-described embodiments are illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Those skilled in the art may make slight changes or modifications to the above-described embodiments without departing from the spirit and scope of the present invention. Therefore, all changes and modifications made by those skilled in the art without departing from the gist of the present invention should be considered to fall within the scope of protection of the present invention. [Explanation of symbols]

[0028] 1 Underlayment layer 11 Lower space 2 air mattress layers 21 Exterior Wall 22 Partition 23 Air Chamber 24 Reinforcement plate 241 Notch opening 3. Air pressure adjustment means 31 Air Injection Valve 311 Air injection pipe 311a inlet 312 Flow pipe 313 Evacuation Pipe 314 Spring seat 315 Ball Plug 316 Spring member 32 Air injection pump 33 Switch 34 Air pressure meter 35 Exhaust adjustment valve 4 latex layers 5 Sponge layer 6 Surface layer

Claims

1. an underlayment layer surrounding the lower space; an air mat layer disposed above the underlayment layer, and having two air chambers defined therein by an outer wall and a partition plate disposed on the outer wall; A multi-layer air mattress comprising an air pressure adjusting means, The air pressure adjusting means is A multi-layer air mattress having an air injection pump housed in the lower space of the underlayment layer, an air injection valve arranged on the air mattress layer so as to communicate with the air injection pump and the two air chambers, and two exhaust adjustment valves arranged on the outer wall so as to communicate with the two air chambers respectively, and configured so that air from the air injection pump can be injected into the two air chambers by the air injection valve and air can be exhausted from the two air chambers by the two exhaust adjustment valves, thereby making it possible to adjust the air pressure in the two air chambers.

2. 2. The multi-layer air mattress of claim 1, wherein the air mattress layer further comprises a plurality of reinforcing plates disposed within each of the air chambers so as to connect to the outer wall and serving as supports within each of the air chambers.

3. 3. The multi-layer air mattress according to claim 2, wherein each of said reinforcing plates extends parallel to said partition plate and is formed so that both upper and lower ends thereof contact said outer wall.

4. 3. The multi-layer air mattress according to claim 2, wherein each of said reinforcing plates extends perpendicular to said partition plate and has upper and lower ends contacting said outer wall.

5. A multi-layered air mattress as described in claim 4, wherein notch openings are formed at both the upper and lower ends of each reinforcing plate, so that the spaces separated by the reinforcing plates in each air chamber are connected to each other through the notch openings.

6. The air injection valve includes a junction, an air injection pipe extending from the junction to communicate with the air injection pump, and two branch pipes extending from the junction to communicate with the two air chambers, respectively.

2. The multi-layered air mattress of claim 1, further comprising a ball plug formed to have a diameter greater than the diameters of the air injection tube and the two branch pipes, thereby blocking communication between the air injection tube and the two branch pipes when positioned at the junction, and allowing the air injection tube and the two branch pipes to communicate with each other via the junction when moved away from the junction.

7. The air injection valve is a retraction tube extending from the junction portion so as to be able to accommodate the ball plug; a spring seat disposed at an end of the retraction pipe away from the junction; a spring member accommodated in the retraction tube so that both ends thereof abut against the spring seat and the ball plug, 7. The multi-layer air mattress according to claim 6, wherein when the ball plug leaves the junction portion, it enters the retraction tube and compresses the spring member.

8. 7. The multi-layer air mattress of claim 6, wherein the air pressure adjusting means further comprises a switch electrically connected to the air inflation pump and disposed on the underlying layer, and an air pressure meter electrically connected to the air inflation pump and communicating with each of the air chambers.

9. 2. The multi-layer air mattress of claim 1, further comprising a latex layer laminated on the air mattress layer, a sponge layer laminated on the latex layer, and a surface layer laminated on the sponge layer.

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