Pneumatic tire capable of automatically supplementing air

Abstract

The invention discloses a pneumatic tire capable of automatically supplementing air, an air supplementing device is arranged on a tire body, the air supplementing device comprises an air supplementing cavity, an air supplementing one-way valve and an air inlet one-way valve, the air supplementing cavity is arranged on the tire body in an elastic deformation manner, the air outlet end of the air supplementing one-way valve is communicated with an inner cavity of the tire body, and the air inlet one-way valve is communicated with the air inlet one-way valve. The air inlet end of the air inlet one-way valve is communicated with the air supply cavity, the air inlet end of the air inlet one-way valve is communicated with the outside, the air outlet end of the air inlet one-way valve is communicated with the air supply cavity, when the tire body rotates, the air supply cavity can be acted to be subjected to compression deformation or deformation recovery, and when the air supply cavity is subjected to compression deformation, the air inlet end of the air inlet one-way valve is closed. When the tire body is deformed, air in the air supply cavity enters the tire body in a one-way mode through the air supply one-way valve, when the air supply cavity recovers deformation, due to the fact that large pressure difference exists between the air supply cavity and the outside world, outside air enters the air supply cavity in a one-way mode through the air inlet one-way valve, and automatic air supply can be conducted on the tire body in the using process by adopting the structure.

Description

[0001] The present invention is a divisional application for a pneumatic tire that can automatically inflate, which was applied for on May 9, 2019 and has application number 201910382077.2. Technical Field

[0002] The invention relates to a tire, in particular to a pneumatic tire capable of automatically replenishing air. Background Art

[0003] In the vehicle transportation industry, pneumatic tires are widely used because of their good shock absorption effect and easy manufacturing. In the prior art, a pneumatic tire includes a tire body and an air pump nozzle arranged on the tire body, and a one-way air valve is arranged on the air pump nozzle. When the air pressure in the tire body is insufficient, the air pump nozzle is connected to the air pump device to pump air into the tire body to increase its air pressure.

[0004] In reality, when the above-mentioned pneumatic tire is in use, the tire pressure is insufficient due to air leakage, so a special inflation device is needed to inflate it. If the user finds it while going out or does not have the corresponding inflation device, the tire cannot be inflated, which brings a lot of inconvenience to the user.

[0005] The present invention is proposed in view of the deficiencies in the prior art. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide an inflatable tire that can automatically inflate. An inflating device is provided on the tire body, and the inflating device includes an air storage cavity, an inflating one-way valve and an air inlet one-way valve. The air storage cavity can be elastically deformed and arranged on the tire body. The outlet end of the inflating one-way valve is connected to the inner cavity of the tire body, and the inlet end of the inflating one-way valve is connected to the air storage cavity. The inlet end of the air inlet one-way valve is connected to the outside world, and the outlet end of the air inlet one-way valve is connected to the air storage cavity. When the tire body is rotating, it will The air storage chamber is used to compress and deform or restore the deformation. When the air storage chamber is compressed and deformed, the gas in the air storage chamber enters the tire body in one direction through the air replenishment check valve. When the air storage chamber restores its deformation, due to the large pressure difference between the air storage chamber and the outside world, the outside air enters the air storage chamber in one direction through the air intake check valve. Therefore, the structure of the present invention can automatically replenish air to the tire body during use to ensure that it has sufficient air pressure, making it reliable to use and having the characteristics of reasonable and ingenious design, which is convenient for people to use.

[0007] In order to solve the above technical problems, the present invention provides an inflatable tire that can automatically inflate, comprising an inflatable tire body 1, on which an inflating device 2 is provided, wherein the inflating device 2 comprises an air storage chamber 3, an air inflating check valve 4 and an air intake check valve 5, wherein the air storage chamber 3 is arranged on the tire body 1 and its volume can be compressed and deformed, an air outlet end of the air inflating check valve 4 is communicated with the inner cavity of the tire body 1, and an air intake end of the air inflating check valve 4 is communicated with the air storage chamber 3, an air intake end of the air intake check valve 5 is directly or indirectly communicated with the outside world, and an air outlet end of the air intake check valve 5 is communicated with the air storage chamber 3, when the air storage chamber 3 is compressed and deformed, the gas in the air storage chamber 3 enters the tire body 1 unidirectionally through the air inflating check valve 4, and when the air storage chamber 3 recovers its deformation, the outside air enters the air storage chamber 3 unidirectionally through the air intake check valve 5.

[0008] In the pneumatic tire capable of automatically replenishing air as described above, the air replenishing device 2 is arranged on the outer surface of the tire body 1 .

[0009] In the pneumatic tire capable of automatically replenishing air as described above, the air replenishing device 2 is arranged on the inner side of the tire body 1 .

[0010] As described above, in an automatically inflatable tire, a deformable safety wall 31 is formed between the air storage chamber 3 and the inner cavity of the tire body 1 so that when the air pressure in the inner cavity of the tire body 1 is sufficient, the safety wall 31 is deformed to reduce the volume of the air storage chamber 3, thereby stopping or reducing the air storage chamber 3 from replenishing air to the tire body 1.

[0011] In the pneumatic tire capable of automatically replenishing air as described above, the air replenishing one-way valve 4 and the air intake one-way valve 5 are of the same one-way valve structure or of two different one-way valve structures.

[0012] In the pneumatic tire that can automatically inflate as described above, the same air-inflation device 2 has multiple air-inflation check valves 4 and a single air-intake check valve 5; or the same air-inflation device 2 has a single air-inflation check valve 4 and multiple air-intake check valves 5; or the same air-inflation device 2 has multiple air-inflation check valves 4 and multiple air-intake check valves 5.

[0013] In the pneumatic tire capable of automatically replenishing air as described above, the side wall of the air storage cavity 3 located on the outer surface of the tire body 1 is provided with a liquid discharge structure 32 for discharging the liquid in the air storage cavity 3 .

[0014] In the pneumatic tire capable of automatically replenishing air as described above, the liquid discharge structure 32 is an elastic notch provided on the outer surface of the tire body 1 .

[0015] As described above, in an inflatable tire that can automatically inflate, the inflating device 2 also includes a seat body 21 connected to the inner side of the tire body 1, and the seat body 21 has openings at both ends and is correspondingly connected to the inflating one-way valve 4 and the air intake one-way valve 5, and the air storage chamber 3 is located between the inflating one-way valve 4 and the air intake one-way valve 5 at the two openings of the seat body 21.

[0016] As described above, in an automatically inflatable pneumatic tire, a regulating one-way valve 6 is provided between the air storage cavity 3 and the inner cavity of the tire body 1, which allows the gas in the inner cavity of the tire body 1 to enter the air storage cavity 3 in one direction when the corresponding position of the tire body 1 is squeezed.

[0017] As described above, in an inflatable tire that can automatically inflate, the inflating one-way valve 4 is an elastic pleated sheet 41 disposed at the opening of the seat body 21 near the inner cavity of the tire body 1, one end of the elastic pleated sheet 41 is relatively fixedly connected to the seat body 21, and the other end of the elastic pleated sheet 41 is elastically pressed against the inner wall of the opening of the seat body 21 and forms a notch that allows the gas in the air storage chamber 3 to flow unidirectionally into the inner cavity of the tire body 1.

[0018] In the pneumatic tire capable of automatically replenishing air as described above, the air replenishing one-way valve 4 and / or the air intake one-way valve 5 is provided with an arc-shaped convex surface 7 which is raised away from the air storage chamber 3 and can generate elastic deformation.

[0019] In the pneumatic tire capable of automatically inflating as described above, the tire body 1 is provided with a pressure control valve for releasing pressure when the tire body is inflated with too much air by the inflating device.

[0020] Compared with the prior art, the pneumatic tire capable of automatically replenishing air in the present invention has the following advantages: 1. An air-filling device is provided on the tire body, and the air-filling device includes an air storage chamber, an air-filling one-way valve and an air intake one-way valve. When the tire body is rotating, the air storage chamber is acted on to compress and deform or restore the deformation. When the air storage chamber is compressed and deformed, the gas in the air storage chamber enters the tire body in one direction through the air-filling one-way valve. When the air storage chamber restores the deformation, due to the large pressure difference between the air storage chamber and the outside, the outside air enters the air storage chamber in one direction through the air intake one-way valve. Therefore, the structure of the present invention can automatically fill the tire body with air during use, ensuring that it has sufficient air pressure, making it reliable to use, having the characteristics of reasonable and ingenious design, and convenient for people to use.

[0021] 2. A liquid discharge structure is provided on the side wall of the air storage cavity located on the outer surface of the tire body. When liquid enters the air storage cavity, the liquid in the liquid storage cavity is discharged through the interface of the liquid discharge structure during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein: Figure 1 It is one of the cross-sectional views of the outer surface of the tire body of the present invention connected with the air-inflation device; Figure 2 The second cross-sectional view of the connection between the outer surface of the tire body and the air-filling device of the present invention; Figure 3 This is one of the cross-sectional views of the connection between the air-filling device and the outer surface of the tire body in the present invention; Figure 4 The second cross-sectional view of the connection between the air-filling device and the outer surface of the tire body in the present invention; Figure 5 The third cross-sectional view of the connection between the air-filling device and the outer surface of the tire body in the present invention; Figure 6 The fourth cross-sectional view of the connection between the air-filling device and the outer surface of the tire body in the present invention; Figure 7 The fifth cross-sectional view of the connection between the air-filling device and the outer surface of the tire body in the present invention; Figure 8 The sixth cross-sectional view of the connection between the air-filling device and the outer surface of the tire body in the present invention; Fig. 9 The seventh cross-sectional view of the connection between the air-filling device and the outer surface of the tire body in the present invention; Fig.10 The eighth cross-sectional view of the connection between the air-filling device and the outer surface of the tire body in the present invention; Fig.11 It is one of the cross-sectional views of the inner side surface of the tire body of the present invention connected with the air-inflation device; Fig.12 The second cross-sectional view of the inner side of the tire body of the present invention connected with the air-inflation device; Fig.13 This is one of the cross-sectional views of the connection between the air-filling device and the inner side surface of the tire body in the present invention; Fig.14 The second cross-sectional view of the connection between the air-filling device and the inner side surface of the tire body in the present invention; Fig.15 The third cross-sectional view of the connection between the air-filling device and the inner side surface of the tire body in the present invention; Fig.16 The fourth cross-sectional view of the connection between the air-filling device and the inner side surface of the tire body in the present invention; Fig.17 This is the fourth cross-sectional view of the connection between the air-infusing device and the inner side surface of the tire body in the present invention. DETAILED DESCRIPTION

[0023] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] The invention discloses an inflatable tire capable of automatically inflating, which can be applicable to inflatable tires used in vehicles such as cars, bicycles, trucks, and buses. By adopting the invention, there is no need for special air-inflating tools or going to designated places to inflate the tires. Moreover, the air-inflating device does not directly contact the ground and is not affected by sunny or rainy days, which greatly facilitates the travel of users.

[0025] like Figure 1-17 As shown, the present invention is an inflatable tire that can automatically inflate, comprising an inflatable tire body 1, on which an inflating device 2 is provided, the inflating device 2 comprising an air storage chamber 3, an air inflating one-way valve 4 and an air intake one-way valve 5, the air storage chamber 3 is arranged on the tire body 1 and its volume can be compressed and deformed, the air outlet end of the air inflating one-way valve 4 is communicated with the inner cavity of the tire body 1, and the air intake end of the air inflating one-way valve 4 is communicated with the air storage chamber 3, the air intake end of the air intake one-way valve 5 is directly or indirectly communicated with the outside world, and the air outlet end of the air intake one-way valve 5 is communicated with the air storage chamber 3, when the air storage chamber 3 is compressed and deformed, the gas in the air storage chamber 3 enters the tire body 1 unidirectionally through the air inflating one-way valve 4, and when the air storage chamber 3 recovers its deformation, the outside air enters the air storage chamber 3 unidirectionally through the air intake one-way valve 5.

[0026] The present invention provides an automatically inflatable tire, wherein the inflating check valve and the air intake check valve involved can adopt check valves of various structures. Figure 4-7 and Figure 13-17 As shown, the air supply check valve and the air intake check valve can be made of elastically deformable materials, and the elastic deformation of the material is used to automatically control the opening and closing of the valve. Figure 8 As shown in FIG. 1 , the air supply check valve and the air intake check valve can also adopt a tray-type valve structure. Fig. 9 As shown in FIG. 1 , the air supply check valve and the air intake check valve can use a valve ball and a conical valve hole. Fig.10 As shown, the air supply check valve and the air intake check valve can also be composed of a valve stem, a valve plate, a valve hole and a spring, and the valve plate is automatically reset and closed by the elastic force of the spring.

[0027] like Figure 1-10 As shown, the air-inflating device 2 is arranged on the outer surface of the tire body 1. When the tire body is rotating, the outer surface of the tire body contacts the ground, which will act on the corresponding air storage cavity to compress and deform or restore the deformation. When the air storage cavity is compressed and deformed, the gas in the air storage cavity enters the tire body in one direction through the air-inflating one-way valve. When the air storage cavity restores the deformation, due to the large pressure difference between the air storage cavity and the outside world, the outside air enters the air storage cavity in one direction through the air intake one-way valve. Therefore, the structure of the present invention can automatically inflate the tire body during use, ensuring that it has sufficient air pressure, making it reliable to use, and having the characteristics of reasonable and ingenious design, which is convenient for people to use.

[0028] In order to avoid a tire blowout during use due to excessive inflation, a deformable safety wall 31 is formed between the air storage chamber 3 and the inner cavity of the tire body 1 so that when the air pressure in the inner cavity of the tire body 1 is sufficient, the safety wall 31 is deformed to reduce the volume of the air storage chamber 3, thereby stopping or reducing the air storage chamber 3 from replenishing air to the tire body 1.

[0029] In the present invention, a pressure control valve can also be correspondingly arranged on the tire body as needed. When the air pressure in the inner cavity of the tire body 1 is sufficient, if the air storage cavity continues to replenish air into the inner cavity of the tire body, and the air pressure in the inner cavity of the tire body reaches or exceeds the pressure control threshold, the pressure exceeding the threshold will be automatically unloaded, thereby ensuring that the present invention is safe and reliable to use.

[0030] For the pneumatic tire capable of automatically replenishing air described in the present invention, on the same tire body, the air replenishing one-way valve 4 and the air intake one-way valve 5 are of the same one-way valve structure or of two different one-way valve structures.

[0031] For the pneumatic tire that can automatically inflate described in the present invention, the air-inflation check valves 4 are provided in plurality and the air-intake check valve 5 is provided in a single in the same air-inflation device 2 on the same tire body; or the air-inflation check valve 4 is provided in a single in the same air-inflation device 2 and the air-intake check valve 5 is provided in plurality; or the air-inflation check valve 4 and the air-intake check valve 5 are provided in plurality in the same air-inflation device 2.

[0032] like Figure 6-7 As shown, when the air replenishing device is arranged on the outer surface of the tire body, the side wall of the air storage cavity 3 located on the outer surface of the tire body 1 is provided with a drainage structure 32 for discharging the liquid in the air storage cavity 3, and the drainage structure 32 is an elastic notch arranged on the outer surface of the tire body 1.

[0033] like Figure 11-17 As shown, the air-inflation device 2 is arranged on the inner side of the tire body 1. The air-inflation device 2 also includes a seat body 21 connected to the inner side of the tire body 1, and the seat body 21 has openings at both ends and is connected to the air-inflation check valve 4 and the air-intake check valve 5 respectively, and the air storage chamber 3 is located between the air-inflation check valve 4 and the air-intake check valve 5 at the two openings of the seat body 21. When the tire body is rotating, the outer surface of the tire body contacts the ground, which will act on the corresponding air storage chamber to compress and deform it, and the gas in the air storage chamber will enter the tire body unidirectionally through the air-inflation check valve 4. When the air storage chamber recovers its deformation, due to the large pressure difference between the air storage chamber and the outside world, the outside air enters the air storage chamber unidirectionally through the air-intake check valve 5. Therefore, the structure of the present invention can automatically inflate the tire body during use, ensuring that it has sufficient air pressure, making it reliable to use, and having the characteristics of reasonable and ingenious design, which is convenient for people to use.

[0034] like Fig.13 As shown, a regulating check valve 6 is provided between the air storage cavity 3 and the inner cavity of the tire body 1, which allows the gas in the inner cavity of the tire body 1 to enter the air storage cavity 3 in one direction when the corresponding position of the tire body 1 is squeezed. When the tire body is rotating, the outer surface of the tire body contacts the ground, which will act on the corresponding air storage cavity to compress and deform it, and the gas in the air storage cavity will enter the tire body in one direction through the air replenishment check valve 4. If the air pressure in the inner cavity of the tire body is greater than the preset value of the regulating check valve 6, the gas in the inner cavity of the tire body enters the air storage cavity through the regulating check valve 6, that is, when the air pressure in the air storage cavity is greater than the air pressure in the inner cavity of the tire body, the gas in the air storage cavity enters the inner cavity of the tire body in one direction through the air replenishment check valve 4; when the air pressure in the inner cavity of the tire body is greater than the air pressure in the air storage cavity and greater than the preset value of the regulating check valve 6, the gas in the inner cavity of the tire body enters the air storage cavity through the regulating check valve 6.

[0035] If the air pressure in the inner cavity of the tire body is greater than the preset value of the one-way valve 6, the gas in the inner cavity of the tire body can also enter the other air storage cavities through the one-way valve 6. Fig.12 shown.

[0036] In addition, during the inflation process, when the air pressure in the inner cavity of the tire body is greater than the preset value of the regulating one-way valve 6 , the gas in the inner cavity of the tire body can also enter the air storage cavity through the regulating one-way valve 6 .

[0037] Fig.15 , 17 As shown, the air replenishing one-way valve 4 is an elastic pleated sheet 41 arranged at the opening of the seat body 21 near the inner cavity of the tire body 1. The elastic pleated sheet 41 can be a corrugated structure. One end of the elastic pleated sheet 41 is relatively fixedly connected to the seat body 21, and the other end of the elastic pleated sheet 41 is elastically pressed against the inner wall of the opening of the seat body 21 and forms a notch that allows the gas in the air storage chamber 3 to flow unidirectionally into the inner cavity of the tire body 1.

[0038] The air replenishment one-way valve 4 and / or the air intake one-way valve 5 is provided with an arc-shaped convex surface 7 which is raised away from the air storage chamber 3 and can generate elastic deformation.

Claims

1. A pneumatic tire capable of automatically replenishing air, characterized in that The invention comprises an inflatable tire body (1), wherein the tire body (1) is provided with an air replenishing device (2), wherein the air replenishing device (2) comprises an air storage chamber (3), an air replenishing check valve (4) and an air intake check valve (5), wherein the air storage chamber (3) is provided on the tire body (1) and its volume can be deformed by compression, wherein the air outlet of the air replenishing check valve (4) is communicated with the inner cavity of the tire body (1), and the air intake of the air replenishing check valve (4) is communicated with the air storage chamber (3), wherein the air intake of the air intake check valve (5) is directly or indirectly communicated with the outside, and wherein the air outlet of the air intake check valve (5) is communicated with the air storage chamber (3), wherein when the air storage chamber (3) is deformed by compression, the gas in the air storage chamber (3) enters the tire body (1) in one direction through the air replenishing check valve (4), and when the air storage chamber (3) recovers its deformation, the outside air enters the air storage chamber (3) in one direction through the air intake check valve (5).

2. The pneumatic tire capable of automatically replenishing air according to claim 1, characterized in that The air replenishing device (2) is arranged on the outer surface of the tire body (1).

3. The pneumatic tire capable of automatically replenishing air according to claim 1, characterized in that The air replenishing device (2) is arranged on the inner side of the tire body (1).

4. A pneumatic tire capable of automatically inflating according to any one of claims 1 to 3, characterized in that A deformable safety wall (31) is formed between the air storage cavity (3) and the inner cavity of the tire body (1), so that when the air pressure in the inner cavity of the tire body (1) is sufficient, the safety wall (31) deforms to reduce the volume of the air storage cavity (3), thereby stopping or reducing the air storage cavity (3) from replenishing air to the tire body (1).

5. A pneumatic tire capable of automatically replenishing air according to any one of claims 1 to 3, characterized in that The air supply one-way valve (4) and the air intake one-way valve (5) are of the same one-way valve structure or of two different one-way valve structures.

6. A pneumatic tire capable of automatically replenishing air according to any one of claims 1 to 3, characterized in that The same air supply device (2) may include a plurality of air supply check valves (4) and a single air intake check valve (5); or the same air supply device (2) may include a single air supply check valve (4) and a plurality of air intake check valves (5); or the same air supply device (2) may include a plurality of air supply check valves (4) and a plurality of air intake check valves (5).

7. The pneumatic tire capable of automatically replenishing air according to claim 3, characterized in that The air replenishing device (2) further comprises a seat body (21) connected to the inner side of the tire body (1); the seat body (21) has openings at both ends and is respectively connected to the air replenishing one-way valve (4) and the air intake one-way valve (5); the air storage chamber (3) is located between the air replenishing one-way valve (4) and the air intake one-way valve (5) at the two openings of the seat body (21).

8. The pneumatic tire capable of automatically replenishing air according to claim 7, characterized in that A regulating one-way valve (6) is provided between the air storage cavity (3) and the inner cavity of the tire body (1), which allows the gas in the inner cavity of the tire body (1) to flow into the air storage cavity (3) in a one-way manner when a corresponding position of the tire body (1) is squeezed.

9. A pneumatic tire capable of automatically inflating according to claim 7 or 8, characterized in that The air replenishment one-way valve (4) is an elastic pleated sheet (41) disposed at an opening of a seat body (21) close to the inner cavity of the tire body (1); one end of the elastic pleated sheet (41) is relatively fixedly connected to the seat body (21); the other end of the elastic pleated sheet (41) is elastically pressed against the inner side wall of the opening of the seat body (21) to form a notch that allows the gas in the air storage cavity (3) to flow unidirectionally into the inner cavity of the tire body (1).

10. The pneumatic tire capable of automatically replenishing air according to claim 1, characterized in that The air replenishment one-way valve (4) and / or the air intake one-way valve (5) is provided with an arc-shaped convex surface (7) which is raised away from the air storage chamber (3) and can generate elastic deformation.

11. The pneumatic tire capable of automatically replenishing air according to claim 1, characterized in that The tire body (1) is provided with a pressure control valve for releasing pressure when the tire body is over-inflated by the inflation device.

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