Double-layer inflatable cushion

Abstract

The utility model relates to the field of inflatable cushions, and discloses a double-layer inflatable cushion which comprises an outer inflatable cushion body, an inner inflatable cushion body is arranged in the outer inflatable cushion body, a first air inlet valve is communicated and fixed to the top face of the outer inflatable cushion body, a second air inlet valve is communicated and fixed to the top face of the inner inflatable cushion body, and the second air inlet valve penetrates through the top of the outer inflatable cushion body. A first air outlet valve is fixedly communicated with the bottom surface of the outer inflatable cushion, a second air outlet valve is fixedly communicated with the bottom surface of the inner inflatable cushion, and the second air outlet valve penetrates through the bottom of the outer inflatable cushion. According to the inflatable cushion disclosed by the utility model, the first air inlet valve, the second air inlet valve, the first air outlet valve and the second air outlet valve are matched for use, so that each layer is provided with an independent inflation inlet and an independent air outlet, and the inflation volume of the outer inflatable cushion and the inner inflatable cushion can be independently adjusted, thereby meeting different use requirements and improving the flexibility and the applicability of the inflatable cushion.

Description

Technical Field

[0001] This utility model relates to the technical field of inflatable mats, specifically a double-layer inflatable mat. Background Technology

[0002] Inflatable backrests are a convenient everyday item that offers unparalleled comfort. They allow you to adjust the contact points between your body and a seat or bed to achieve a more comfortable angle and reduce fatigue.

[0003] Currently, most double-layer inflatable mats are typically used as a single unit, with both layers inflated through a single air inlet valve. This results in the following drawbacks: the inner and outer layers cannot be inflated independently, and therefore the inflation volume of the inner and outer layers cannot be adjusted separately. Consequently, they cannot meet different usage needs, reducing the flexibility and practicality of the inflatable mat. Utility Model Content

[0004] The purpose of this invention is to provide a double-layer inflatable mat to solve the problem that the inner and outer layers of the inflatable mat cannot be inflated independently, and therefore the inflation volume of the inner and outer inflatable mats cannot be adjusted independently, which fails to meet different usage needs and reduces the flexibility and practicality of the inflatable mat.

[0005] To achieve the above-mentioned utility model objectives, the present utility model adopts the following technical solution: a double-layer inflatable cushion, including an outer inflatable cushion, an inner inflatable cushion inside the outer inflatable cushion, a first air inlet valve fixedly connected to the top surface of the outer inflatable cushion, a second air inlet valve fixedly connected to the top surface of the inner inflatable cushion, the second air inlet valve penetrating the top of the outer inflatable cushion, a first air outlet valve fixedly connected to the bottom surface of the outer inflatable cushion, and a second air outlet valve fixedly connected to the bottom surface of the inner inflatable cushion, the second air outlet valve penetrating the bottom of the outer inflatable cushion.

[0006] Preferably, a first connecting member is fixed to the left side of the outer wall of both the first and second intake valves, and a first sealing member is fixed to one side of each of the two first connecting members. The two first sealing members are respectively interference-fitted with the intake holes of the first and second intake valves.

[0007] Preferably, a plurality of first elastic connectors are fixed between the inner wall of the outer air cushion and the outer wall of the inner air cushion, and second elastic connectors are fixed between the inner top and bottom surfaces of the outer air cushion and the top and bottom surfaces of the inner air cushion, respectively.

[0008] Preferably, a second connecting member is fixed to the left side of the outer wall of the first air outlet valve and the second air outlet valve, and a second sealing member is fixed to one side of each of the two second connecting members. The two second sealing members are respectively interference-fitted with the air outlet holes of the first air outlet valve and the second air outlet valve.

[0009] Preferably, the top surface of the external air cushion is detachably provided with an elastic band.

[0010] Preferably, the top surface of the external air cushion is fixed with two female buckles, and the bottom surface of the elastic band is fixed with two male buckles, and the two male buckles are respectively fastened to the two female buckles.

[0011] Compared with existing technologies, a double-layer inflatable mat that adopts the above-mentioned technical solution has the following beneficial effects:

[0012] I. In use, the double-layer inflatable mat consists of an outer inflatable mat and an inner inflatable mat. The first and second air inlet valves facilitate inflation of either the outer or inner mat, while the first and second air outlet valves allow for the release of air. The coordinated use of these valves ensures that each layer has its own independent inflation and deflation ports, allowing for individual adjustment of the inflation volume of both the outer and inner mats. This caters to diverse usage needs and enhances the flexibility and applicability of the inflatable mat.

[0013] Second, during use, the cooperation of the first connector and the first seal allows the operator to seal the inflation port of the first or second air inlet valve after inflating the external or internal air mattress, thus maintaining the inflation state of the external and internal air mattresses, extending their service life, and maintaining comfort. Both the first and second elastic connectors are made of elastic materials (such as mesh elastic fabric) to flexibly connect the external and internal air mattresses, allowing a certain range of motion while ensuring the structure remains stable.

[0014] Thirdly, during use, when it is necessary to release the gas inside the external or internal air cushion, simply pull out the second seal inside the external or internal air cushion to smoothly release the gas. Simultaneously, the second seal ensures effective prevention of gas leakage when the first or second vent valve is not in use, guaranteeing the airtightness of the external or internal air cushion. The elastic band facilitates lifting the external air cushion by workers, making it easier to move, especially during handling or storage, providing additional convenience. The use of female and male buckles allows workers to easily install and remove the elastic band, reducing space occupation and keeping the external air cushion neat and easy to store. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of an embodiment.

[0016] Figure 2 This is a cross-sectional schematic diagram of an embodiment.

[0017] Figure 3 This is a split schematic diagram of the first connector and the first seal in the embodiment.

[0018] Figure 4 For the example Figure 2 Enlarged diagram of point A in the middle.

[0019] In the diagram: 1. External air cushion; 2. Internal air cushion; 3. First air inlet valve; 4. Second air inlet valve; 5. First air outlet valve; 6. Second air outlet valve; 7. First connector; 8. First seal; 9. First elastic connector; 10. Second elastic connector; 11. Second connector; 12. Second seal; 13. Elastic band; 14. Female buckle; 15. Female buckle. Detailed Implementation

[0020] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0021] like Figures 1-4 As shown, a double-layer inflatable mattress includes an outer inflatable mattress 1 and an inner inflatable mattress 2 inside the outer inflatable mattress 1. A first air inlet valve 3 is fixedly connected to the top surface of the outer inflatable mattress 1, and a second air inlet valve 4 is fixedly connected to the top surface of the inner inflatable mattress 2. The second air inlet valve 4 passes through the top of the outer inflatable mattress 1. A first air outlet valve 5 is fixedly connected to the bottom surface of the outer inflatable mattress 1, and a second air outlet valve 6 is fixedly connected to the bottom surface of the inner inflatable mattress 2. The second air outlet valve 6 passes through the bottom of the outer inflatable mattress 1.

[0022] In use, the double-layer inflatable mat consists of an outer inflatable mat 1 and an inner inflatable mat 2. The first air inlet valve 3 and the second air inlet valve 4 facilitate inflation of either the outer inflatable mat 1 or the inner inflatable mat 2 by the operator, while the first air outlet valve 5 and the second air outlet valve 6 facilitate the expulsion of air from either mat. The coordinated use of these valves ensures that each layer has an independent inflation port and air outlet, allowing for individual adjustment of the inflation volume of the outer inflatable mat 1 and the inner inflatable mat 2. This caters to diverse usage needs and enhances the flexibility and applicability of the inflatable mat.

[0023] like Figures 1-3 As shown, a first connecting piece 7 is fixed to the left side of the outer wall of both the first intake valve 3 and the second intake valve 4. A first sealing piece 8 is fixed to one side of each of the two first connecting pieces 7. The two first sealing pieces 8 are respectively interference-fitted with the intake holes of the first intake valve 3 and the second intake valve 4.

[0024] During use, the cooperation of the first connector 7 and the first seal 8 allows the staff to seal the inflation port of the first air inlet valve 3 or the second air inlet valve 4 after inflating the outer air pad 1 or the inner air pad 2, thereby maintaining the inflation state of the outer air pad 1 and the inner air pad 2, extending the service life and maintaining comfort.

[0025] like Figure 1 , Figure 2 As shown in the figure, several first elastic connectors 9 are fixed between the inner wall of the outer air cushion 1 and the outer wall of the inner air cushion 2. Second elastic connectors 10 are fixed between the inner top and bottom surfaces of the outer air cushion 1 and the top and bottom surfaces of the inner air cushion 2, respectively. Second connectors 11 are fixed to the left side of the outer walls of the first air valve 5 and the second air valve 6, respectively. Second seals 12 are fixed to one side of each of the two second connectors 11, and the two second seals 12 are respectively interference-fitted with the air outlets of the first air valve 5 and the second air valve 6.

[0026] In use, both the first elastic connector 9 and the second elastic connector 10 are made of elastic materials (such as mesh elastic fabric) to flexibly connect the outer air cushion 1 and the inner air cushion 2, allowing a certain range of motion while ensuring the structure remains stable. When it is necessary to release the gas inside the outer air cushion 1 or the inner air cushion 2, simply pull out the second seal 12 inside the outer air cushion 1 or the inner air cushion 2 to smoothly release the gas. At the same time, the second seal 12 ensures that gas leakage is effectively prevented when the first vent valve 5 or the second vent valve 6 is not used, thus ensuring the sealing of the outer air cushion 1 or the inner air cushion 2.

[0027] like Figure 1 , Figure 2 and Figure 4 As shown, the top surface of the external air cushion 1 is detachably provided with an elastic band 13. Two female buckles 14 are fixed on the top surface of the external air cushion 1, and two male buckles 15 are fixed on the bottom surface of the elastic band 13. The two male buckles 15 are respectively fastened to the two female buckles 14.

[0028] During use, the elastic band 13 facilitates the lifting of the external air cushion 1 by the staff, making it easier to move, especially during handling or storage, providing additional convenience. The use of the female buckle 14 and the female buckle 15 allows the staff to easily assemble and disassemble the elastic band 13, reducing space occupation and keeping the external air cushion 1 neat and easy to store.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A double-layer inflatable mattress, comprising an outer inflatable mattress (1), characterized in that, The outer air pad (1) has an inner air pad (2) inside. The top surface of the outer air pad (1) is connected to and fixed with a first air inlet valve (3). The top surface of the inner air pad (2) is connected to and fixed with a second air inlet valve (4). The second air inlet valve (4) passes through the top of the outer air pad (1). The bottom surface of the outer air pad (1) is connected to and fixed with a first air outlet valve (5). The bottom surface of the inner air pad (2) is connected to and fixed with a second air outlet valve (6). The second air outlet valve (6) passes through the bottom of the outer air pad (1).

2. The double-layer inflatable cushion according to claim 1, characterized in that: The first intake valve (3) and the second intake valve (4) are each fixed with a first connector (7) on the left side of their outer walls. The two first connectors (7) are each fixed with a first seal (8) on one side. The two first seals (8) are respectively press-fitted with the intake holes of the first intake valve (3) and the second intake valve (4).

3. A double-layer inflatable cushion according to claim 2, characterized in that: A plurality of first elastic connectors (9) are fixed between the inner wall of the outer air pad (1) and the outer wall of the inner air pad (2), and second elastic connectors (10) are fixed between the inner top and bottom surfaces of the outer air pad (1) and the top and bottom surfaces of the inner air pad (2).

4. A double-layer inflatable cushion according to claim 3, characterized in that: The first air outlet valve (5) and the second air outlet valve (6) are respectively fixed with second connecting parts (11) on the left side of their outer walls. The two second connecting parts (11) are respectively fixed with second sealing parts (12) on one side. The two second sealing parts (12) are respectively press-fitted with the air outlet holes of the first air outlet valve (5) and the second air outlet valve (6).

5. A double-layer inflatable cushion according to claim 1, characterized in that: The top surface of the external air cushion (1) is detachably provided with an elastic band (13).

6. A double-layer inflatable cushion according to claim 5, characterized in that: The top surface of the external air cushion (1) is fixed with two female buckles (14), and the bottom surface of the elastic band (13) is fixed with two male buckles (15). The two male buckles (15) are respectively fastened to the two female buckles (14).

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