Lifting air cushion

Abstract

The utility model discloses a lifting air cushion, which comprises an air cushion main body, a lifting mechanism and a lifting mechanism, the air inlet valve port is formed in the air cushion main body; the air outlet valve port is formed in the air cushion main body; the independent supporting air cushions are arranged in the air chamber cavity according to a characteristic rule, and each independent supporting air cushion is provided with an independent cavity; the air inlet is formed in the independent supporting air cushion; the air outlet is formed in the independent supporting air cushion; the pressure release valve is arranged at the air outlet; a gas inlet and a plurality of gas outlets are formed in the gas conveying pipe, the gas conveying pipe is arranged in the gas chamber cavity, the gas inlet is connected with the gas inlet valve port, and the gas outlets are correspondingly communicated with the gas inlets; and when the pressure of the gas in the independent cavity exceeds a set value, the pressure release valve is opened to release the pressure of the gas in the independent cavity into the gas chamber cavity. The lifting air cushion is not prone to deflection in the using process, and the using stability and safety of the lifting air cushion are improved.

Description

Technical Field

[0001] The present application relates to a lifting air cushion. Background Art

[0002] An air mattress assembly typically consists of the following parts: an air mattress base (the air mattress base is typically an inflatable film or air bag that provides support and stability), an air mattress top (the air mattress top is typically a soft material that provides a comfortable sleeping surface), and an air mattress valve (the air mattress valve is used to inflate and deflate, typically a rotatable or compressible device).

[0003] However, most inflatable cushions on the market use sheet-like interlayers as frames, which cannot provide good support. When people lie down or sit on them, the cushions will sag and deform too much, affecting the comfort of use. People are prone to tilting, especially in some cushions that are provided for users to sit. This can easily cause users to fall, especially the elderly or disabled people. Utility Model Content

[0004] The purpose of this application is to solve the shortcomings of the prior art and to propose a new lifting air cushion.

[0005] To achieve the above objectives, this application provides the following technical solutions:

[0006] A lifting air cushion, comprising:

[0007] The air cushion body is formed by a flexible material and is provided with an air chamber cavity;

[0008] An air inlet valve port is formed on the air cushion body and is used to transport gas into the air chamber cavity;

[0009] An air outlet valve port is formed on the air cushion body and is used to extract the gas from the air chamber cavity;

[0010] A plurality of independent support air cushions are arranged in a characteristic regular pattern inside the air chamber cavity, each of the independent support air cushions is formed of a flexible material and is provided with an independent cavity;

[0011] An air inlet is formed on the independent support air cushion and is used to transport gas into the independent cavity;

[0012] A gas outlet 1 is formed on the independent support air cushion and is used to discharge gas from the independent cavity;

[0013] A pressure relief valve, arranged at the first gas outlet;

[0014] The air delivery pipe is formed with an air inlet and a plurality of air outlet twos. The air delivery pipe is arranged in the air chamber cavity. The air inlet is connected to the air inlet valve port, and the plurality of air outlet twos are correspondingly communicated with the respective air inlet ports;

[0015] When the gas pressure in the independent cavity exceeds the set value, the pressure relief valve opens to release the gas in the independent cavity into the air chamber cavity.

[0016] Furthermore, the air cushion main body is annular, and the air chamber cavity is annular;

[0017] The air cushion main body is formed with two oppositely arranged side portions and two section portions connecting the two ends of the two side portions.

[0018] Furthermore, at least four independent support air cushions are provided and evenly arranged in the two oppositely arranged side portions.

[0019] Furthermore, the independent cavity of each independent support air cushion includes multiple rows of first chambers arranged in a first direction, and each first chamber includes multiple first cavity units arranged in a second direction perpendicular to the first direction;

[0020] Any two adjacent first cavity units in the same first chamber are communicated through a through hole;

[0021] Any two adjacent first chambers are connected through a through hole.

[0022] Furthermore, the gas flow path formed in the independent cavity of each independent support air cushion winds in an S shape from one end of the air inlet to one end of the air outlet.

[0023] Furthermore, the cross section of the first cavity unit is polygonal.

[0024] Furthermore, one side of the multiple rows of first chambers of the independent cavity of the independent support air cushion further includes an inlet cavity;

[0025] The air inlet communicates the inlet cavity with the adjacent first chamber;

[0026] The air outlet two part of the air delivery pipe is implanted in the inlet cavity, and the air outlet two is communicated with the inlet cavity.

[0027] Furthermore, the pressure relief valve is a two-way valve.

[0028] Compared with the prior art, the beneficial effect of this application is that it can make the lifting air cushion not prone to skew during use, improving the use stability and safety of the lifting air cushion. Description of the Drawings

[0029] Figure 1 It is a three-dimensional schematic diagram of the lifting air cushion of this application.

[0030] Figure 2 is Figure 1 A cross-sectional view of the lifting air cushion in [reference], with the specific cutting plane being a cross-section perpendicular to the thickness direction.

[0031] Figure 3 is a perspective view of the independent support air cushion of the lifting air cushion of the present application. For clear display, the top surface of the independent support air cushion is cut off for display.

[0032] Figure 4 is Figure 2 An enlarged view of the structure within the solid line frame in [reference].

[0033] Figure 5 is a perspective schematic diagram of the second embodiment of the independent support air cushion of the lifting air cushion of the present application.

[0034] Figure 6 is Figure 5 A cross-sectional view of the independent support air cushion in [reference], with the specific cutting plane being a cross-section perpendicular to the thickness direction. Detailed implementation manners

[0035] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0036] For more accurate description throughout this application, all directions involved shall be uniformly based on Figure 1 as a reference. The direction where the X-axis is located is defined as the transverse direction (i.e., the first direction); the direction where the Y-axis is located is defined as the up-down direction (thickness direction), where the positive direction of the Y-axis is up; the direction where the Z-axis is located is defined as the longitudinal direction (i.e., the second direction).

[0037] Please refer to Figures 1 to 4 shown, which is a lifting air cushion disclosed in the present application. The lifting air cushion includes an air cushion main body 1 and a plurality of independent support air cushions 13. The air cushion main body 1 is mainly formed by enclosing with a flexible material (such as PVC material, etc.) and is provided with an air chamber cavity 10. At least one air inlet valve port 11 and at least one air outlet valve port 12 are formed on the air cushion main body 1. The air inlet valve port 11 is used to convey gas into the air chamber cavity 10. The air outlet valve port 12 is used to extract gas from the air chamber cavity 10.

[0038] Each of the independent support air cushions 13 can also be hermetically formed by a flexible material and is provided with an independent cavity 130. A plurality of the independent support air cushions 13 are arranged in the air chamber cavity 10 according to a characteristic rule. Each of the independent support air cushions 13 includes an air inlet 131 and a first air outlet 132. The air inlet 131 is used to convey gas into the independent cavity 130. The first air outlet 132 can be used to discharge gas from the independent cavity 130.

[0039] Please refer to Figure 2 and Figure 4 As shown, the lifting air cushion of the present application further includes a pressure relief valve 14 and an air delivery pipe 15. The pressure relief valve 14 is arranged at the first air outlet 132. The air delivery pipe 15 is formed with an air inlet 151 and a plurality of second air outlets 152. In a preferred embodiment, the air delivery pipe 15 is arranged in the air chamber cavity 10, and the air inlet 151 is connected to the air inlet valve port 11. The plurality of second air outlets 152 are correspondingly communicated with the respective air inlets 131. The independent cavity 130 of each of the independent support air cushions 13 includes a plurality of first chambers (not labeled) arranged in a first direction. Each of the first chambers includes a plurality of first cavity units 1301 arranged in a second direction perpendicular to the first direction. Adjacent two first cavity units 1301 in the same first chamber are communicated through a through hole 1300. Adjacent two first chambers are connected through a through hole 1300.

[0040] Please refer to Figures 1 to 4 As shown in the first example of the lifting air cushion of the present application, the air cushion main body 1 is annular. The air chamber cavity 10 is annular. The air cushion main body 1 is formed with two oppositely arranged side portions 101 and two section portions 102 connecting the two ends of the two side portions 101. At least four independent support air cushions 13 are provided and are evenly arranged in the two oppositely arranged side portions 101.

[0041] During use, gas is conveyed from the air inlet valve port 11 through the air delivery pipe 15 by an air inflation pump (not shown), flows out from the air outlet valve port 12, and is transmitted into the independent cavity 130 of each independent support air cushion 13 through the air inlet 131. As the gas is continuously input, the air pressure inside the independent cavity 130 increases, and the independent support air cushion 13 expands and rises. When the air pressure inside the independent cavity 130 exceeds the set value of the pressure relief valve 14, the pressure relief valve 14 automatically opens to relieve the pressure of the gas in the independent cavity 130 into the air chamber cavity 10. As the air inflation pump continues to inflate, the air cushion main body 1 expands and rises to finally reach the expected state. During this process, in the present application, independent support air cushions 13 are added at specific positions of the air chamber cavity 10 of the air cushion main body 1. When inflating, the independent support air cushions 13 can expand first to form a plurality of stable support points, and then the parts of the air chamber cavity 10 of the air cushion main body 1 other than the independent support air cushions 13 are inflated and expanded to achieve the effect of overall inflation and lifting.

[0042] Such a design can prevent the lifting air cushion from tilting easily during use (referring to the person or object carried above the lifting air cushion), improving the stability and safety of the lifting air cushion. It is particularly suitable for toilet seat cushions, seat cushions, bed cushions, etc. In some special usage scenarios, it can also play a more important role, such as hospital bed cushions. Sometimes, it is necessary to inflate and lift a certain part of the mattress higher while inflating other parts less to try out different special lying postures for different patients. Of course, in these special usage scenarios, the number, position, shape, etc. of the independent support air cushions 13 can be adjusted appropriately according to actual needs.

[0043] Please refer to Figures 1 to 4 the first factual example described above, and Figure 5 and Figure 6 the second factual example shown. In this application, the cross-section of the first cavity unit 1301 can be designed as a polygonal structure, such as a triangle, a quadrilateral, a pentagon, etc., or a combination of several types of polygons (as shown in Figure 3 , 4 which is a combination of a triangle and a hexagon). This makes the multiple first cavity units 1301 inside the independent support air cushion 13 combine to form a honeycomb-like structure. Adjacent first chambers are connected by through holes 1300, so that during the inflation and deflation process, there will be no sudden expansion or flattening in a certain direction, further improving stability. In this application, the preferred implementation is that the gas flow path formed in the independent cavity 130 of each independent support air cushion 13 is in an S shape from one end of the air inlet 131 to one end of the air outlet 132.

[0044] In addition, it should be noted that in this application, the pressure relief valve 14 is preferably a two-way valve. When exhaust is required, it can exhaust only through the air inlet valve port 11, or through the air outlet valve port 12, or through both the air inlet valve port 11 and the air outlet valve port 12 simultaneously.

[0045] In addition, preferably, the air delivery pipe 15 is a flexible pipe, preferably arranged inside the air chamber cavity 10 of the air cushion main body 1 near the outer peripheral edge. Of course, the air delivery pipe 15 can also be formed as a part of the air cushion main body 1.

[0046] Please refer to Figure 3 and Figure 4 As shown, in the first factual example, on one side of the multiple rows of first chambers of the independent cavity 130 of the independent support air cushion 13, there is also an inlet chamber 1302; the air inlet 131 communicates the inlet chamber 1302 with the adjacent first chamber. The air outlet two 152 of the air delivery pipe 15 is implanted in the inlet chamber 1302, and the air outlet two 152 communicates with the inlet chamber 1302. Of course, in other factual examples (such asFigure 5 and Figure 6 In the second factual example shown in Figure 6 , the entry cavity 1302 may not be provided, and the second air outlet 152 of the air delivery pipe 15 may be directly communicated with the air inlet 131.

[0047] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lifting air cushion, characterized in that: include: An air cushion body (1) is formed by a flexible material in a sealed manner and is provided with an air chamber cavity (10); An air inlet valve port (11) is formed on the air cushion body (1) and is used to transport gas into the air chamber cavity (10); An air outlet valve (12) is formed on the air cushion body (1) and is used to extract the gas from the air chamber cavity (10); A plurality of independent support air cushions (13) are arranged in a characteristic regular pattern inside the air chamber cavity (10), each of the independent support air cushions (13) being formed of a flexible material in a sealed manner and provided with an independent cavity (130); An air inlet (131) is formed on the independent support air cushion (13) and is used to transport gas into the independent cavity (130); An air outlet 1 (132) is formed on the independent support air cushion (13) and is used to discharge the gas from the independent cavity (130); A pressure relief valve (14) is arranged at the first gas outlet (132); An air delivery pipe (15) is formed with an air inlet (151) and a plurality of air outlets (152); the air delivery pipe (15) is arranged in the air chamber cavity (10); the air inlet (151) is connected to the air inlet valve port (11); and the plurality of air outlets (152) are connected to the respective air inlets (131); When the gas pressure in the independent cavity (130) exceeds a set value, the pressure relief valve (14) opens to release the gas pressure in the independent cavity (130) into the gas chamber cavity (10).

2. The lifting air cushion according to claim 1, characterized in that: The air cushion body (1) is in the shape of a ring, and the air chamber cavity (10) is in the shape of a ring; The air cushion body (1) is formed with two oppositely arranged side portions (101) and two section portions (102) connecting two ends of the two side portions (101).

3. The lifting air cushion according to claim 2, characterized in that: At least four independent supporting air cushions (13) are provided and are evenly distributed in the two oppositely arranged side portions (101).

4. The lifting air cushion according to claim 1, 2 or 3, characterized in that: The independent cavity (130) of each independent supporting air cushion (13) comprises a plurality of rows of first cavities arranged along a first direction, and each first cavity comprises a plurality of first cavity units (1301) arranged along a second direction perpendicular to the first direction; Any two adjacent first cavity units (1301) in the same first cavity are connected via a through hole (1300); Any two adjacent first chambers are connected via a through hole (1300).

5. The lifting air cushion according to claim 4, characterized in that: The gas flow path formed in the independent cavity (130) of each independent support air cushion (13) curves in an S shape from one end of the air inlet (131) to one end of the air outlet (132).

6. The lifting air cushion according to claim 4, characterized in that: The cross section of the first cavity unit (1301) is polygonal.

7. The lifting air cushion according to claim 4, characterized in that: One side of the multiple rows of first chambers of the independent chamber (130) of the independent supporting air cushion (13) further includes an entry chamber (1302); The air inlet (131) communicates with the chamber cavity (1302) and the adjacent first chamber; The second gas outlet (152) of the gas delivery pipe (15) is implanted in the inlet cavity (1302), and the second gas outlet (152) is in communication with the inlet cavity (1302).

8. The lifting air cushion according to claim 1, 2 or 3, characterized in that: The pressure relief valve (14) is a two-way valve.

Images