CN211592343U

CN211592343U - Multifunctional air cushion

Info

Publication number: CN211592343U
Application number: CN201922191308.XU
Authority: CN
Inventors: 霍长生
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-29
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a multifunctional air cushion, including square central air cushion, each flexonics in both sides has square front and back air cushion around the center air cushion, each flexonics in both sides has square air cushion about the center air cushion about, the right angle side of the square corner pad of air cushion dismantled and assembled ground flexonics around, another right angle side of corner pad dismantled and assembled ground flexonics is adjacent control the air cushion. The utility model has the advantages that: the inflatable air cushion can be used as a sleeping cushion and a ship body and can shield hailstones for automobiles, is multifunctional, solves the problem that the existing inflatable air cushion has single function, and meets the requirement of people for multiple purposes.

Description

Multifunctional air cushion

Technical Field

The utility model relates to a technical field of air cushion particularly, relates to a multifunctional air cushion.

Background

Along with the increasing living standard, the number of car purchasers is also increased year by year, but the number of people who have garages is small, and the people are mostly parked in open-air parking places, and once the open-air parking places suffer from hail, certain damage can be caused to the front windshield, the rear windshield, the engine cover, the car roof and the trunk cover of the car, and the car owners can seriously suffer great economic loss.

The car seat has the advantages that the car seat is driven to travel outside the car in leisure time, the driver and passengers can feel tired along with the travel or the playing process, the driver and passengers can have a short rest, the space in the car is limited, the seat is narrow, the comfort is poor, and the driver and passengers can be tired due to poor rest.

In summer, many people like activities on water, namely relieving summer heat and exercising bodies, but have many potential safety hazards, drowning events occur every year, and tragedies are caused mostly because of the absence of emergency life-saving equipment.

The existing inflatable air cushion has single function, and the requirement that people have multiple functions cannot be met.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem among the correlation technique, the utility model provides a multifunctional air cushion, it has multiple functions, has solved the problem that current inflatable air cushion function is more single, has satisfied the multi-purpose demand of people's a thing.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

the multifunctional air cushion comprises a square central air cushion, wherein the front side and the rear side of the central air cushion are respectively and flexibly connected with the square front air cushion and the square rear air cushion, the left side and the right side of the central air cushion are respectively and flexibly connected with the square left air cushion and the square right air cushion, the front air cushion and the rear air cushion are detachably and flexibly connected with a right-angle side of the square corner cushion, and the other right-angle side of the corner cushion is detachably and flexibly connected with the left air cushion and the right air cushion which.

Furthermore, a plurality of supporting pull belts are arranged inside the central air cushion, inside the front and rear air cushions, inside the left and right air cushions and inside the corner cushions, and holes are formed in the supporting pull belts.

Further, the central air cushion with around the air cushion intercommunication, around on the air cushion, on controlling the air cushion and all be provided with the inflation and deflation valve on the angle pad, the inflation and deflation valve on the air cushion is located this around the air cushion and keeps away from on the side of central air cushion, the inflation and deflation valve on controlling the air cushion is located this about the air cushion and keeps away from on the side of central air cushion, the inflation and deflation valve on the angle pad is located this angle pad and is close to around the air cushion or control on the side of air cushion.

Further, the lower parts of the front and rear air cushions are connected with the lower parts of the left and right air cushions through wings, and the central air cushion, the front and rear air cushions, the left and right air cushions, the corner cushions and the wings are all made of waterproof soft materials.

Furthermore, the front and rear air cushions, the left and right air cushions and the corner cushions are all provided with extending edges, the extending edges on the front and rear air cushions are arranged at the upper part and the lower part of three sides of the front and rear air cushions which are not contacted with the central air cushion, the extending edges on the left and right air cushions are arranged at the upper part and the lower part of three sides of the left and right air cushions which are not contacted with the central air cushion, the extending edges on the corner cushions are arranged at the lower parts of four sides of the corner cushions, and the extending edges are positioned above the wings.

Furthermore, the extending connection edges of the left side and the right side of the front air cushion and the rear air cushion, the extending connection edges of the front side and the rear side of the left air cushion and the rear side of the right air cushion and the two adjacent extending connection edges of the corner pad are provided with eye-splices, the extending connection edges of the front air cushion and the rear air cushion and the extending connection edges of the left air cushion and the right air cushion are provided with traction holes, soft belts are bound on the traction holes, and the two remaining extending connection edges of the corner pad and the soft belts are provided with strong magnets.

Further, the front and rear air cushions and the corner cushions are both provided with air bottle bags, high-pressure air bottles are installed in the air bottle bags, the air bottle bags on the front and rear air cushions are located on the extending edges of the upper portions of the sides, far away from the central air cushion, of the front and rear air cushions, and the air bottle bags on the corner cushions and the air charging and discharging valves on the corner cushions are located on the same side.

Furthermore, the top surfaces of the front and rear air cushions, the bottom surfaces of the front and rear air cushions, the top surfaces of the left and right air cushions and the bottom surfaces of the left and right air cushions are respectively provided with a plurality of flexible fixed handles.

Furthermore, snap fasteners are arranged on the upper portions of the four side surfaces of the central air cushion.

Further, the thickness of the central air cushion is the same as that of the corner pads, the thicknesses of the front and rear air cushions are the same as those of the left and right air cushions, and the thickness of the central air cushion is twice that of the front and rear air cushions.

The utility model has the advantages that: the inflatable air cushion can be used as a sleeping cushion and a ship body and can shield hailstones for automobiles, is multifunctional, solves the problem that the existing inflatable air cushion has single function, and meets the requirement of people for multiple purposes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an expanded schematic view of a multi-functional air mattress according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a central air cushion according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure shown at A in FIG. 2;

fig. 4 is a schematic structural view of the front and rear air cushions according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the left and right air cushions according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a corner pad according to an embodiment of the present invention;

FIG. 7 is a side view of the multi-functional air mattress according to an embodiment of the present invention in use for hail suppression;

FIG. 8 is a top view of the multi-functional air mattress according to an embodiment of the present invention in use for hail suppression;

fig. 9 is a schematic view of the multi-functional air cushion according to an embodiment of the present invention when used as a ship hull;

fig. 10 is a schematic view illustrating the multi-functional air cushion according to the embodiment of the present invention, when it is used as a sleeping mat.

In the figure:

1. a central air cushion; 2. front and rear air cushions; 3. left and right air cushions; 4. a corner pad; 5. a wing; 6. extending and connecting edges; 7. inserting and buckling; 8. fixing a handle; 9. a drawing hole; 10. a soft belt; 11. supporting the pull belt; 12. a gas charging and discharging valve; 13. a high pressure gas cylinder; 14. a gas bottle bag; 15. snapping; 16. a strong magnet; 17. sticking a thread; 18. a pocket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1-10, according to the embodiment of the present invention, a multifunctional air cushion comprises a square central air cushion 1, each flexible connection at the front and back sides of the central air cushion 1 has a square front and back air cushion 2, each flexible connection at the left and right sides of the central air cushion 1 has a square left and right air cushion 3, the front and back air cushion 2 is detachably flexibly connected to a right angle side of a square corner pad 4, and another right angle side of the corner pad 4 is detachably flexibly connected to adjacent left and right air cushions 3.

In a specific embodiment of the present invention, the inside of the central air cushion 1, the inside of the front and rear air cushions 2, the inside of the left and right air cushions 3 and the inside of the corner pad 4 are all provided with a plurality of supporting drawstrings 11, the supporting drawstrings 11 are provided with holes.

The utility model discloses a in a specific embodiment, central air cushion 1 with front and back air cushion 2 intercommunication, around on the air cushion 2 around on the air cushion 3 about and all be provided with on the corner pad 4 and fill the gassing valve 12, the last gassing valve 12 that fills of front and back air cushion 2 is located this around the air cushion 2 keep away from on the side of central air cushion 1, about fill the gassing valve 12 on the air cushion 3 be located this about the air cushion 3 keep away from on the side of central air cushion 1, the last gassing valve 12 that fills of corner pad 4 is located this corner pad 4 and is close to around the air cushion 2 or on the side of controlling air cushion 3.

In a specific embodiment of the present invention, the lower portions of the front and rear air cushions 2 are connected to the lower portions of the left and right air cushions 3 by wings 5, and the central air cushion 1, the front and rear air cushions 2, the left and right air cushions 3, the corner cushions 4, and the wings 5 are made of a waterproof soft material.

The utility model discloses a specific embodiment, front and back air cushion 2, about on the air cushion 3 and all be provided with on the corner pad 4 and prolong limit 6, the last limit 6 that prolongs of front and back air cushion 2 set up around this air cushion 2 not with the upper portion and the lower part of the three side of center air cushion 1 contact, about on the air cushion 3 prolong limit 6 set up about this air cushion 3 not with the upper portion and the lower part of the three side of center air cushion 1 contact, the last limit 6 that prolongs of corner pad 4 sets up the lower part in these four sides of corner pad 4, it is located to prolong limit 6 the top of wing 5.

In a specific embodiment of the present invention, the extending edges 6 of the left and right sides of the front and rear air cushions 2, the extending edges 6 of the front and rear sides of the left and right air cushions 3 and the two adjacent extending edges 6 of the corner pad 4 are all provided with the eye-splice 7, the extending edges 6 of the front and rear air cushions 2 and the extending edges 6 of the left and right remaining sides of the left and right air cushions 3 are all provided with the traction holes 9, the soft belt 10 is bound on the traction holes 9, the remaining two extending edges 6 of the corner pad 4 and the soft belt 10 are all provided with the strong magnets 16.

In a specific embodiment of the present invention, the front and rear air cushions 2 and the corner pad 4 are all provided with air bottle bags 14, the high pressure air bottles 13 are installed in the air bottle bags 14, the air bottle bags 14 on the front and rear air cushions 2 are located on the extension edge 6 on the upper portion of the side surface of the central air cushion 1, and the air bottle bags 14 on the corner pad 4 and the inflation and deflation valves 12 on the corner pad 4 are located on the same side surface.

In a specific embodiment of the present invention, the top surfaces of the front and rear air cushions 2, the bottom surfaces of the front and rear air cushions 2, the top surfaces of the left and right air cushions 3, and the bottom surfaces of the left and right air cushions 3 are respectively provided with a plurality of flexible fixing handles 8.

In one embodiment of the present invention, the central air cushion 1 is provided with snap fasteners 15 at the upper portions of four sides.

In a specific embodiment of the present invention, the thickness of the central air cushion 1 is the same as that of the corner pad 4, the thickness of the front and rear air cushions 2 is the same as that of the left and right air cushions 3, and the thickness of the central air cushion 1 is twice as large as that of the front and rear air cushions 2.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.

The utility model relates to a multifunctional air cushion, which comprises a square central air cushion 1, a square front and back air cushion 2 with the bottom surface parallel to the bottom surface of the central air cushion 1 and the side surface sewed with the side surface of the central air cushion 1, a square left and right air cushion 3, a wing 5 arranged at the four corners of the central air cushion 1, and a corner pad 4 arranged at the four corners of the central air cushion 1 and respectively connected with the front and back air cushion 2 and the left and right air cushion 3, wherein the front and back air cushion 2 is communicated with the central air cushion 1, the side surfaces of the left and right air cushion 3 are sewed with the side surface of the central air cushion 1, the wing 5 is also respectively connected with the front and back air cushion 2, the left and right air cushion 3, the inside of the central air cushion 1, the front and back air cushion 2, the left and right air cushion 3 and the corner pad 4 are all provided with a supporting drawstring 11, holes are arranged on the, four edges of the bottom surface of the corner pad 4 are provided with extending edges 6, the extending edges 6 of the front and rear air cushions 2 and the left and right air cushions 3 are provided with plug-in buckles 7 and traction holes 9, the extending edges 6 of the corner pad 4 are provided with plug-in buckles 7 and strong magnets 16, the extending edges 6 of the front and rear air cushions 2 are provided with air bottle bags 14, the side surfaces of the corner pad 4 are also provided with air bottle bags 14, and high-pressure air bottles 13 are arranged in the air bottle bags 14. The powerful magnet 16 on the corner pad 4 is positioned in the pocket 18, the pocket 18 is arranged on the extending and connecting edge 6 of the corner pad 4, and the inner side of the pocket 18 is provided with the thread gluing 17. The side surfaces of the front and back air cushions 2, the left and right air cushions 3 and the corner cushion 4 are provided with air charging and discharging valves 12. The top and bottom surfaces of the front and rear air cushions 2 and the top and bottom surfaces of the left and right air cushions 3 are provided with fixed handles 8. The middle parts of four edges of the top surface of the central air cushion 1 are provided with snap fasteners 15.

The thickness of the center cushion 1 is the same as that of the corner pads 4, and the thickness of the center cushion 1 is twice as large as that of the front and rear cushions 2 and the left and right cushions 3.

The central air cushion 1, the front and rear air cushions 2, the left and right air cushions 3, the corner cushions 4 and the wings 5 are all made of waterproof soft materials.

As shown in fig. 1 (fig. 1 is an expansion schematic view of the multi-functional air cushion), the traction holes 9 are formed in the middle of the extending edges 6 of the front and rear air cushions 2, the traction holes 9 are also formed in the middle of the extending edges 6 of the left and right air cushions 3 far away from the central air cushion 1, the traction holes 9 are provided with soft belts 10, and the eye-splice 7 is uniformly arranged on the extending edges 6 of the left and right sides of the front and rear air cushions 2 and on the extending edges 6 of the front and rear sides of the left and right air cushions 3. Two fixed handles 8 are arranged on the top surface and the bottom surface of the front and the rear air cushions 2 and the left and the right air cushions 3. The wings 5 are connected between the front and rear cushions 2 and the left and right cushions 3. The extending edges 6 of the front and the rear air cushions 2 far away from the side of the central air cushion 1 are provided with air bottle bags 14, and high-pressure air bottles 13 are arranged in the air bottle bags 14.

As shown in fig. 7 and 8 (fig. 7 is a side view of the multi-functional cushion when used as a hail-suppression, fig. 8 is a top view of the multi-functional cushion when used as a hail-suppression), when used as a hail-suppression, the corner pads 4 are firstly unfolded, the four corner pads 4 are rapidly inflated by the high-pressure gas cylinders 13, the bottom surfaces of the extended edges 6 of the corner pads with the strong magnets 16 are respectively and correspondingly attached to the four corners of the vehicle roof, after the central cushion 1, the front and rear cushions 2 and the left and right cushions 3 are unfolded, the front and rear cushions 2 are covered on the corner pads 4 along the vehicle length direction, the left and right cushions 3 are hung on the vehicle body, the length of the front and rear cushions 2 is slightly longer than the vehicle body to completely cover the vehicle body, the soft belts 10 with the strong magnets 16 are attached to the drawing holes 9 of the front and rear cushions 2, then the front and rear cushions 2 positioned in front are fastened to the vehicle head by fastening the strong magnets 16 to the vehicle body, then use the high-pressure gas cylinder 13 to inflate the center air cushion 1 and the front and back air cushions 2 fast, the soft belt 10 on the traction hole 9 of the left and right sides of the front and back air cushions 2 is tied and fixed on the wheel respectively after the inflation, play a role of making the air cushions more stable, the center air cushion 1 and the front and back air cushions 2 can better play a role of buffering hailstones after being inflated, protect the front and back windshield, engine hood, roof and trunk lid, meanwhile, the length and width of the center air cushion 1 are greater than the length and width of the roof, the wings 5 are connected between the front and back air cushions 2 and the left and right air cushions 3, can play a role of protecting the vehicle body more closely, protect the vehicle body. Certainly, in order to achieve a better protection effect, the left and right air cushions 3 can be fastened on the vehicle door through the soft belt 10 after being inflated, so that the vehicle body can be protected in all directions. When specifically using, the personnel park the vehicle behind the open air parking stall, aerify this multi-functional air cushion and install on the automobile body according to above-mentioned content, then the personnel leave can, in case when the hail appears in weather change, multi-functional air cushion can effectively protect the automobile body to avoid damaging.

As shown in fig. 4 (fig. 4 is a schematic structural diagram of the front and rear air cushions 2), a plurality of support pull straps 11 are respectively arranged inside the front and rear air cushions 2 and are respectively parallel to the front and rear side surfaces of the front and rear air cushions 2, and the support pull straps 11 are used for enhancing the structural strength of the air cushions. Extension edges 6 are arranged on three free edges (namely edges which are not contacted with or connected with the central air cushion 1) of the top surface and the bottom surface of the front and the back air cushions 2, inserting buckles 7 and traction holes 9 are arranged on the extension edges 6 at the left and the right sides of the front and the back air cushions 2, the traction holes 9 are arranged in the middle parts of the extension edges 6 at the front side or the back side of the front and the back air cushions 2, air bottle bags 14 are arranged on the extension edges 6 at the front side or the back side of the front and the back air cushions 2, high-pressure air bottles 13 are arranged in the air bottle bags 14, air valves 12 are arranged on the side surfaces (namely the front side surface or the back side surface) of the front and the back air cushions 2 far away from the central air cushion 1, the air valves 12 are used for inflating and deflating the multifunctional air cushions, and.

As shown in fig. 5 (fig. 5 is a schematic structural diagram of the left and right air cushions 3), the left and right air cushions 3 have a structure similar to the front and rear air cushions 2, extension edges 6 are provided on three free edges of the top and bottom surfaces of the left and right air cushions, insertion buckles 7 are provided on the extension edges 6 on the front and rear sides of the left and right air cushions 3, a traction hole 9 is provided in the middle of the extension edge 6 on the left or right side of the left and right air cushions 3, a charging and discharging valve 12 is provided on the side surface (i.e., the left or right side surface) of the left and right air cushions 3 away from the central air cushion 1, a plurality of support pull belts 11 parallel to the left and right side surfaces of the left and right air.

As shown in fig. 6 (fig. 6 is a schematic structural diagram of the bottom surface of the corner pad 4), a plurality of supporting pull straps 11 are arranged inside the corner pad 4 and are respectively parallel to the side surfaces of the corner pad 4, the supporting pull straps 11 are used for enhancing the structural strength of the corner pad 4, four free edges of the bottom surface of the corner pad 4 are respectively provided with extending edges 6, wherein two adjacent extending edges 6 which are perpendicular to each other are provided with inserting buckles 7, the positions of the inserting buckles 7 on the corner pad 4 are respectively the same as the positions of the inserting buckles 7 on the front and rear air cushions 2 and the left and right air cushions 3, if necessary, the corner pad can be connected with the front and rear air cushions 2 and the left and right air cushions 3, the remaining two extending edges 6 are provided with pockets 18, the inner side edges of the pockets 18 are provided with sticking buckles 17, and strong magnets (namely neodymium iron boron magnets). The side surface of the corner pad 4 close to the front and rear air cushions 2 or the left and right air cushions 3 is provided with a gas bottle bag 14 and a gas charging and discharging valve 12, a high-pressure gas bottle 13 is arranged in the gas bottle bag 14, and the gas charging and discharging valve 12 is used for charging and discharging gas for the corner pad 4.

As shown in fig. 9 (fig. 9 is a schematic view of a multifunctional air cushion used as a ship body), when the multifunctional air cushion is used as a ship body, the central air cushion 1, the front and rear air cushions 2, and the left and right air cushions 3 are firstly unfolded, the central air cushion 1, the front and rear air cushions 2, and the left and right air cushions 3 are respectively and rapidly inflated through the inflation and deflation valves 12, the front and rear air cushions 2, and the left and right air cushions 3 are respectively and outwardly rolled up, the front and rear air cushions 2, and the top surfaces and the bottom surfaces of the left and right air cushions 3 are connected through the soft belts 10, the rolled-up parts are fixed, and then the front and rear air cushions 2 and the adjacent left and right air cushions 3 are bound together through the soft belts 10 (the insertion buckles 7 of the front and rear air cushions 2 and the insertion buckles 7 of the left.

As shown in fig. 10, (fig. 10 is a schematic view of the multifunctional cushion used as a sleeping cushion), when the multifunctional cushion is used as a sleeping cushion, the central cushion 1, the front and rear cushions 2, the left and right cushions 3 and the corner cushions 4 are unfolded, the central cushion 1 and the front and rear cushions 2 are inflated by the inflation and deflation valves 12, the left and right cushions 3 and the corner cushions 4 are inflated by the inflation and deflation valves 12, after the inflation is finished, one sides of the front and rear cushions 2 away from the central cushion 1 and one sides of the left and right cushions 3 away from the central cushion 1 are folded towards the direction close to the central cushion 1, since the thickness of the central cushion 1 is the same as that of the corner cushions 4 and the thickness of the central cushion 1 is twice as that of the front and rear cushions 2 and the left and right cushions 3, the top surface of the central cushion 1 is just flush with the top surfaces of the folded front and rear cushions 2 and left and right cushions 3, and the folded front and right cushions 2 and left cushions 3 are tightly bound by On the buckles 7 above the corner pads 4) to prevent the folded front and rear air cushions 2 and the left and right air cushions 3 from scattering, the snap fasteners 15 at the edges of the central air cushion 1 are fixed after penetrating through the traction holes 9 of the front and rear air cushions 2 and the left and right air cushions 3, and the buckles 7 on the extension edges 6 of the corner pads 4 are respectively fixed with the buckles 7 at the lowest positions on the front and rear air cushions 2 and the left and right air cushions 3 in a butt joint mode to form the sleeping pad.

The utility model discloses well high-pressure gas cylinder 13's quantity can increase and delete according to the actual demand, and high-pressure gas cylinder 13's capacity can be selected according to the actual demand.

When the multifunctional air cushion needs to be stored, the air in the multifunctional air cushion is emptied through the air charging and discharging valve 12, the central air cushion 1, the front and rear air cushions 2 and the left and right air cushions 3 are rolled up from the periphery to the middle, and the corner cushions 4 are rolled up at the outer sides, so that the multifunctional air cushion is convenient to use.

To sum up, with the help of the above technical scheme of the utility model, can regard as sleeping mat, hull to use and can shelter from the hail for the car, a thing is multi-purpose, has solved the more single problem of current inflatable air cushion function, has satisfied the multi-purpose demand of a thing of people.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The multifunctional air cushion comprises a square central air cushion (1), and is characterized in that the front side and the rear side of the central air cushion (1) are respectively and flexibly connected with a square front air cushion and a square rear air cushion (2), the left side and the right side of the central air cushion (1) are respectively and flexibly connected with a square left air cushion and a square right air cushion (3), the front air cushion and the rear air cushion (2) are detachably and flexibly connected with a right-angle side of a square corner cushion (4), and the other right-angle side of the corner cushion (4) is detachably and flexibly connected with the left air cushion and the right air cushion (3) which.

2. The multifunctional air cushion as claimed in claim 1, wherein a plurality of support drawstrings (11) are arranged inside the central air cushion (1), the front and rear air cushions (2), the left and right air cushions (3) and the corner cushions (4), and holes are opened on the support drawstrings (11).

3. The multifunctional air cushion as claimed in claim 1, wherein the central air cushion (1) is communicated with the front and rear air cushions (2), the left and right air cushions (3) and the corner cushion (4) are respectively provided with an air inflation/deflation valve (12), the air inflation/deflation valves (12) on the front and rear air cushions (2) are located on the side surfaces of the front and rear air cushions (2) far away from the central air cushion (1), the air inflation/deflation valves (12) on the left and right air cushions (3) are located on the side surfaces of the left and right air cushions (3) far away from the central air cushion (1), and the air inflation/deflation valves (12) on the corner cushion (4) are located on the side surfaces of the corner cushion (4) near the front and rear air cushions (2) or the left and right air cushions (.

4. The multi-purpose mattress of claim 3, characterized in that the lower portions of the front and rear mattresses (2) are connected to the lower portions of the adjacent left and right mattresses (3) by wings (5), and the center mattress (1), the front and rear mattresses (2), the left and right mattresses (3), the corner pads (4), and the wings (5) are made of waterproof soft materials.

5. The multi-functional air mattress according to claim 4, characterized in that the front and rear air mattresses (2), the left and right air mattresses (3), and the corner pads (4) are provided with extension edges (6), the extension edges (6) of the front and rear air mattresses (2) are provided at the upper and lower portions of the three sides of the front and rear air mattresses (2) that are not in contact with the center air mattress (1), the extension edges (6) of the left and right air mattresses (3) are provided at the upper and lower portions of the three sides of the left and right air mattresses (3) that are not in contact with the center air mattress (1), the extension edges (6) of the corner pads (4) are provided at the lower portions of the four sides of the corner pads (4), and the extension edges (6) are located above the wings (5).

6. The multifunctional air cushion as claimed in claim 5, wherein the extending edges (6) at the left and right sides of the front and rear air cushions (2), the extending edges (6) at the front and rear sides of the left and right air cushions (3) and the two adjacent extending edges (6) of the corner cushion (4) are provided with buckles (7), the extending edges (6) of the front and rear air cushions (2) and the extending edges (6) at the remaining sides of the left and right air cushions (3) are provided with drawing holes (9), the drawing holes (9) are bound with soft belts (10), and the remaining two extending edges (6) of the corner cushion (4) and the soft belts (10) are provided with strong magnets (16).

7. The multifunctional air cushion as claimed in claim 6, wherein the front and rear air cushions (2) and the corner cushion (4) are respectively provided with an air bottle bag (14), the air bottle bags (14) are internally provided with a high pressure air bottle (13), the air bottle bags (14) on the front and rear air cushions (2) are positioned on the extension edge (6) of the upper part of the side surface of the front and rear air cushions (2) far away from the central air cushion (1), and the air bottle bags (14) on the corner cushion (4) and the air charging and discharging valve (12) on the corner cushion (4) are positioned on the same side surface.

8. The multi-functional air mattress according to claim 6, characterized in that the top surfaces of the front and rear air mattresses (2), the bottom surfaces of the front and rear air mattresses (2), the top surfaces of the left and right air mattresses (3), and the bottom surfaces of the left and right air mattresses (3) are each provided with a plurality of flexible fixing handles (8).

9. Multifunctional air mattress according to claim 6, characterized in that the upper parts of the four sides of the central air mattress (1) are provided with snap fasteners (15).

10. The multi-functional mattress according to claim 1, characterized in that the thickness of the central mattress (1) is the same as the thickness of the corner pads (4), the thickness of the front and rear mattresses (2) is the same as the thickness of the left and right mattresses (3), and the thickness of the central mattress (1) is twice the thickness of the front and rear mattresses (2).