Wheel valve, wheel valve air pipe assembly, tire assembly, tire inflation and deflation system and vehicle

Abstract

The utility model discloses a kind of wheel edge valve, wheel edge valve gas pipe assembly, tire assembly, tire inflation and deflation system and vehicle, wheel edge valve includes: valve body, valve body has first air passage and second air passage, the first end of first air passage is adapted to be communicated with gas pipe, the first end of second air passage is adapted to be communicated with the air cavity of tire assembly;Piston, piston is movably arranged in valve body between opening position and plugging position in first direction, chamber is defined between piston and valve body, piston is in opening position, the second end of first air passage and the second end of second air passage are communicated by chamber, in plugging position, the second end of second air passage is plugged by piston.According to the wheel edge valve of the utility model, the service life and use safety of wheel edge valve can be improved by effectively avoiding the damage of wheel edge valve due to curb impact or other external factors;Meanwhile, the overall vehicle width of vehicle can not be increased, so that the road traffic capacity of vehicle can be improved.

Description

Technical Field

[0001] This utility model relates to the field of vehicle system technology, and in particular to a wheel-side valve, a wheel-side valve air pipe assembly, a tire assembly, a tire inflation / deflation system, and a vehicle. Background Technology

[0002] In related technologies, a central tire inflation / deflation system can be configured on special-purpose vehicles to control tire pressure and cope with different road conditions. This system typically includes inflation / deflation valves to inflate and deflate the tires, ensuring proper tire pressure maintenance. However, most existing two-way tire inflation / deflation valves in China are quite large and are mostly mounted on the wheel rim surface. This means that when the vehicle is in motion, the valves are exposed outside the vehicle body, making them susceptible to damage from collisions. Furthermore, this also limits the vehicle's maneuverability in confined spaces. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a wheel-side valve that can effectively prevent damage to the wheel-side valve due to impacts from curbs or other external factors, thereby improving the service life and safety of the wheel-side valve; simultaneously, it can improve the vehicle's road traffic capacity without increasing the overall width of the vehicle; furthermore, it can realize multiple functions, thus simplifying the overall layout and space occupied by the vehicle's inflation / deflation system, thereby improving the adaptability of the entire inflation / deflation system.

[0004] This utility model also proposes a wheel-side valve air pipe assembly having the above-mentioned wheel-side valve.

[0005] This utility model also proposes a tire assembly having the above-mentioned wheel-side valve air pipe assembly.

[0006] This utility model also proposes a tire inflation / deflation system having the above-mentioned tire assembly.

[0007] This utility model also proposes a vehicle having the above-mentioned tire inflation / deflation system.

[0008] According to a first aspect of the present invention, a wheel-side valve is adapted to be fixed on the hub of a vehicle wheel. The wheel-side valve includes: a valve body having a first air passage and a second air passage, a first end of the first air passage being adapted to communicate with an air pipe, and a first end of the second air passage being adapted to communicate with an air chamber of a tire assembly; and a piston movably arranged within the valve body in a first direction between an open position and a blocked position, wherein an air outlet chamber is defined between the piston and the valve body. In the open position, a second end of the first air passage and a second end of the second air passage are connected through the air chamber. In the blocked position, the piston blocks the second end of the second air passage.

[0009] According to this utility model, the wheel-side valve is designed to be fixed on the wheel hub, effectively preventing damage caused by roadside impacts or other external factors, thus extending its service life and improving safety. Simultaneously, it does not increase the overall width of the vehicle, thereby enhancing its road capacity. Furthermore, the wheel-side valve, with its first end of a first air passage adapted to connect to an air pipe and a movable piston within the valve body, allows it to both inflate and deflate the tire and seal the tire's inflation / deflation port to maintain tire pressure. This single valve performs multiple functions, simplifying the overall layout and space occupied by the vehicle's inflation / deflation system, thus improving its adaptability.

[0010] According to some embodiments of the present invention, the wheel-side valve further includes: a first sealing element, which is arranged on the outside of the valve body and surrounds the periphery of the first end of the first air passage.

[0011] According to some embodiments of the present invention, a mounting groove is formed around the periphery of the first end of the first air passage, and a portion of the first sealing member is arranged in the mounting groove.

[0012] According to some embodiments of the present invention, in the direction from the second end of the first air passage toward the first end, at least one sidewall of the mounting groove extends obliquely toward the other sidewall in the radial direction.

[0013] According to some embodiments of the present invention, a second seal is formed on the side of the piston facing the second air passage, and at the sealing position, the piston seals the second end of the second air passage through the second seal.

[0014] According to some embodiments of the present invention, in the first direction, the second seal is arranged at the middle position on the side of the piston facing the second air passage.

[0015] According to some embodiments of the present invention, a protruding bump is formed on the wall surface of the air chamber opposite to the piston in a first direction, the second end of the second air passage passes through the protruding bump along the first direction, and the cross-sectional area of ​​the protruding bump gradually decreases in the protruding direction of the protruding bump.

[0016] According to some embodiments of the present invention, the valve body includes: a valve body and a valve cover, wherein a cavity with an opening on one side in a first direction is formed inside the valve body, the piston is arranged in the cavity, and the valve cover is connected to the valve body and seals the opening side of the cavity.

[0017] According to some embodiments of the present invention, the valve cover includes: a cover plate body and a boss, the cover plate body covers the opening side of the cavity, and the boss is disposed on the side surface of the cover plate body facing the piston and extends into the cavity to be threadedly connected to the valve body.

[0018] According to some embodiments of the present invention, the wheel-side valve further includes: a third sealing element, the third sealing element extending circumferentially around the valve cover in an annular shape, the third sealing element sealingly abutting between the valve cover and the valve body.

[0019] According to some embodiments of the present invention, the wheel-side valve further includes: an elastic element, the elastic element being arranged between the piston and the valve cover, the elastic element storing energy when the piston is in the open position, and being used to drive the piston to the blocking position to close the second end of the second air passage.

[0020] According to some embodiments of the present invention, the valve cover is formed with a first limiting groove, the piston is formed with a second limiting groove, the first end of the elastic member is arranged in the first limiting groove, and the second end of the elastic member is arranged in the second limiting groove.

[0021] According to some embodiments of the present invention, a connecting flange is formed on the valve body, and a mounting hole suitable for fasteners is formed on the connecting flange. The connecting flange is adapted to be fixedly connected to the hub by the fasteners.

[0022] According to a second aspect of the present invention, a wheel-side valve air pipe assembly includes a wheel-side valve and a connecting pipe as described in the first aspect of the present invention, wherein a first end of the connecting pipe is connected to the first end of a second air passage, and a second end of the connecting pipe is adapted to be connected to the air chamber of the tire assembly.

[0023] According to the wheel-side valve air pipe assembly of this utility model, by setting the wheel-side valve of the first aspect mentioned above, it is possible to realize the inflation and deflation of tires, while also simplifying the overall layout and space occupied by the vehicle inflation and deflation system, thereby improving the adaptability of the entire inflation and deflation system.

[0024] According to some embodiments of this utility model, the connecting pipe is a rigid pipe.

[0025] According to some embodiments of this utility model, the valve body and the connecting pipe are welded together.

[0026] According to some embodiments of the present invention, the wheel-side valve air pipe assembly further includes a protective sleeve, which is fitted on the radial outer side of the connecting pipe.

[0027] The tire assembly according to the third aspect of the present invention includes: the wheel-side valve air pipe assembly according to the second aspect of the present invention, a wheel and a tire, wherein the tire is fitted on the radial outer side of the wheel, and the tire and the wheel together constitute an air chamber, the wheel includes: a hub, the wheel-side valve is fixed on the hub, and the second end of the connecting pipe is connected to the air chamber.

[0028] According to the tire assembly of this utility model, by setting the wheel-side valve air pipe assembly of the second aspect mentioned above, the tire can be inflated and deflated at the same time, and the wheel-side valve air pipe assembly can be effectively prevented from being damaged by roadside impacts or other external factors, thereby improving the service life and safety of the tire assembly.

[0029] According to some embodiments of the present invention, the wheel further includes: a rim, the rim being connected to the radially outer side of the hub, the hub having an air outlet of the hub bearing, the first end of the first air passage being connected to the air outlet of the hub bearing, the rim having a rim interface communicating with the air chamber, and the second end of the connecting pipe being connected to the rim interface.

[0030] According to some embodiments of the present invention, the hub has a weight-reducing groove, and the valve body is arranged in the weight-reducing groove.

[0031] According to some embodiments of the present invention, a clearance groove is formed on the wheel hub, and the connecting pipe is arranged in the clearance groove.

[0032] According to some embodiments of the present invention, the wheel-side valve air pipe assembly further includes: a connector, the first end of which is connected to the connecting pipe, and the second end of which extends into the wheel rim interface and is fixedly connected to the wheel rim.

[0033] According to some embodiments of the present invention, the wheel-side valve air pipe assembly further includes: a fourth sealing element, which is sleeved on the radially outer side of the connector to seal the gap between the connector and the wheel rim interface.

[0034] According to some embodiments of the present invention, the fourth sealing member includes: a first ring portion, a first protrusion portion, and a second protrusion portion. The first ring portion is sealed and abuts against the inner wall between the joint and the rim interface. The first protrusion portion and the second protrusion portion are respectively connected to both sides in the axial direction of the first ring portion. One side surface of the first protrusion portion abuts against the outer surface of the rim, and one side surface of the second protrusion portion abuts against the inner surface of the rim.

[0035] According to some embodiments of the present invention, the wheel-side valve air pipe assembly further includes: a fixing member, the fixing member being arranged on the side of the wheel rim interface away from the wheel-side valve, the fixing member being connected to the connector so as to fix the connector to the wheel rim.

[0036] According to some embodiments of the present invention, the wheel-side valve air pipe assembly further includes: a fifth sealing element, the fifth sealing element being formed in an annular shape around the joint, the fifth sealing element sealingly abutting between the fixing member and the wheel rim.

[0037] According to some embodiments of the present invention, a groove is formed on the side of the rim facing the tire, and the fifth seal is fitted into the groove.

[0038] The tire inflation / deflation system according to the fourth aspect of the present invention includes a tire assembly and an air pipe as described in the third aspect of the present invention, wherein the air pipe is connected to the first end of the first air passage.

[0039] The tire inflation / deflation system of this utility model, by incorporating the tire assembly described in the third aspect above, effectively improves the safety and reliability of the tire inflation / deflation system.

[0040] The vehicle according to the fifth aspect of the present invention includes the tire inflation / deflation system according to the fourth aspect of the present invention.

[0041] The vehicle according to this utility model improves the overall performance of the vehicle by providing the tire inflation / deflation system described in the fifth aspect above.

[0042] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of a tire assembly according to an embodiment of the present utility model; Figure 2 This is a schematic diagram of the wheel-side valve air pipe assembly according to an embodiment of the present utility model; Figure 3 This is a cross-sectional view of the wheel-side valve air pipe assembly according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of a wheel-side valve according to an embodiment of the present utility model; Figure 5 This is a schematic diagram of the installation of the wheel-side valve and the wheel hub according to an embodiment of the present utility model; Figure 6 This is a schematic diagram of the installation of the connector and the rim according to an embodiment of the present utility model.

[0044] Figure label: 1000. Tire assembly; 100. Wheel-side valve air pipe assembly; 10. Wheel-side valve; 1. Valve body; 11. First air passage; 12. Second air passage; 13. Valve body; 14. Valve cover; 141. Cover plate body; 142. Boss; 143. First limiting groove; 15. Connecting flange; 16. Fastener; 2. Piston; 21. Second limiting groove; 3. First seal; 4. Second seal; 5. Protrusion; 6. Third seal; 7. Elastic element; 8. Air chamber; 20. Connecting pipe; 30. Protective sleeve; 40. Connector; 50. Fourth sealing element; 60. Fifth sealing element; 70. Fastening element; 200, Wheel; 201, Wheel hub; 2011, Weight reduction groove; 2012, Clearance groove; 202, Wheel rim; 2021, Wheel rim joint. Detailed Implementation

[0045] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0046] The following is for reference. Figures 1-6 The wheel-side valve 10 according to a first aspect embodiment of the present invention is described.

[0047] like Figure 1 As shown, according to the first aspect embodiment of the present invention, the wheel-side valve 10 is adapted to be fixed on the wheel hub 201 of the vehicle wheel 200. In this way, the wheel-side valve 10 can be effectively prevented from being damaged by roadside impacts or other external factors; at the same time, it can improve the vehicle's road traffic capacity without increasing the overall width of the vehicle.

[0048] Specifically, such as Figure 4 As shown, the wheel-side valve 10 includes a valve body 1 and a piston 2. The valve body 1 has a first air passage 11 and a second air passage 12. The first end of the first air passage 11 is adapted to be connected to an air pipe, and the first end of the second air passage 12 is adapted to be connected to the air chamber of the tire assembly 1000. The piston 2 is movably arranged in the valve body 1 in a first direction between an open position and a blocked position. An air chamber 8 is defined between the piston 2 and the valve body 1. In the open position, the second end of the first air passage 11 and the second end of the second air passage 12 are connected through the air chamber 8. In the blocked position, the piston 2 blocks the second end of the second air passage 12.

[0049] It should be noted that the air pipe can be either an intake pipe or an exhaust pipe. When the tire needs to be inflated, the air pipe acts as an intake pipe, with the first end of the first air passage 11 connected to an air source via the air pipe. The gas supplied by the air source can enter the air chamber through the air pipe, thereby inflating the tire. When the tire needs to be deflated, the air pipe acts as an exhaust pipe, with the first end of the first air passage 11 connected to an exhaust valve via the air pipe, allowing the gas in the air chamber to be discharged through the exhaust valve. Therefore, it can be understood that the wheel-side valve 10 can both inflate and deflate the tire.

[0050] Specifically, when inflating the tire, the first end of the first air passage 11 is connected to the air source via an air pipe. The piston 2 is moved to the open position, and the first air passage 11 is connected to the second air passage 12 via the air chamber 8. The gas supplied by the air source enters the air chamber sequentially through the air pipe, the first air passage 11, the air chamber 8, and the second air passage 12. When the tire pressure reaches the preset pressure, the air source stops supplying air, and the piston 2 is moved to the blocking position to block the second end of the second air passage 12, preventing air leakage from the tire and thus maintaining tire pressure. It should be noted that after the air source stops supplying air, the first air passage 11 is connected to the exhaust valve via an air pipe to expel excess gas from the first air passage 11 and the air chamber 8.

[0051] When the tire needs to be deflated, piston 2 is moved to the open position. The first and second air pipes are connected through air chamber 8, and the first end of the first air passage 11 is connected to the exhaust valve through an air pipe to expel the gas in the air chamber, thereby completing the tire decompression. It should be noted that piston 2 remains in the open position throughout the tire deflation process, which effectively improves the deflation efficiency.

[0052] It should be noted that piston 2 remains in the sealed position when the tire does not need to be inflated or deflated; when the tire needs to be inflated or deflated, piston 2 needs to move from the sealed position to the open position. The movement of piston 2 can be achieved by connecting a drive component to piston 2, or by controlling the air pressure. For example, when inflating or deflating the tire, the first end of the first air passage 11 can be connected to an air source via an air pipe. The air source supplies pressurized gas to the first air passage 11 through the air pipe. This gas exerts pressure on piston 2, causing piston 2 to move to the open position under external force, thus connecting the first air passage 11 and the second air passage 12. When maintaining tire pressure, excess gas in the first air passage 11 and the air chamber 8 can be expelled, thereby relieving the pressure acting on piston 2 and allowing piston 2 to return to the sealed position.

[0053] According to the embodiment of this utility model, the wheel-side valve 10 is adapted to be fixed on the wheel hub 201 of the wheel 200, which can effectively prevent the wheel-side valve 10 from being damaged by roadside impacts or other external factors, thereby improving the service life and safety of the wheel-side valve 10. At the same time, it can improve the road traffic capacity of the vehicle without increasing the overall width of the vehicle. In addition, the wheel-side valve 10 is adapted to be connected to the air pipe at the first end of the first air passage 11, and a movable piston 2 is provided in the valve body 1, so that the wheel-side valve 10 can both inflate and deflate the tire and block the tire inflation and deflation port to maintain tire pressure. That is, multiple functions can be achieved with one valve, thereby simplifying the overall layout and space occupied by the vehicle inflation and deflation system, and improving the adaptability of the entire inflation and deflation system.

[0054] According to some embodiments of this utility model, such as Figure 4 As shown, the wheel-side valve 10 further includes a first sealing element 3, which is arranged on the outside of the valve body 1 and surrounds the first end of the first air passage 11. Specifically, the first end of the first air passage 11 is adapted to communicate with an air source. Therefore, the first sealing element 3 is mainly used to seal the gap at the connection position between the first air passage 11 and the air source. Thus, the wheel-side valve 10 is provided with the first sealing element 3, which can ensure the airtightness of the air passage of the tire inflation / deflation system at this position, thereby ensuring the efficiency of tire inflation / deflation.

[0055] It should be noted that the first seal 3 can be made of a flexible material with certain corrosiveness and compressibility. For example, the first seal 3 can be made of rubber material, which can further improve the service life and sealing effect of the first seal 3.

[0056] According to some embodiments of this utility model, a mounting groove is formed around the periphery of the first end of the first air passage 11, and a portion of the first sealing element 3 is arranged within the mounting groove. The mounting groove can position the first sealing element 3, thus increasing the assembly speed of the wheel-side valve 10 by pre-defining the installation position of the first sealing element 3. Simultaneously, the mounting groove can also limit the movement of the first sealing element 3, effectively preventing displacement of the first sealing element 3 due to external force and thus avoiding poor sealing performance when the wheel-side valve 10 is installed to align the first end of the first air passage 11 with the air passage.

[0057] According to some embodiments of the present invention, in the direction from the second end of the first air passage 11 toward the first end, at least one sidewall of the mounting groove extends obliquely toward the other sidewall in the radial direction. It is understood that in the direction from the second end of the first air passage 11 toward the first end, the cross-sectional area of ​​the mounting groove gradually decreases, and at least one sidewall of the mounting groove extends obliquely toward the other sidewall. Furthermore, a portion of the first sealing member 3 is adapted to the mounting groove. Therefore, the mounting groove can limit the position of the first sealing member 3, preventing it from detaching from the mounting groove, thereby further improving the sealing reliability of the first sealing member 3.

[0058] It should be noted that, in the direction from the second end of the first airway 11 to the first end, the air outlet at the first end of the first airway 11 is funnel-shaped, which facilitates the connection between the first airway 11 and the trachea.

[0059] According to some embodiments of this utility model, such as Figure 4 As shown, a second seal 4 is formed on the side of the piston 2 facing the second air passage 12. In the sealing position, the piston 2 seals the second end of the second air passage 12 through the second seal 4. Specifically, the second seal 4 can be made of a flexible material with a certain elasticity. Thus, the piston 2 seals the second end of the second air passage 12 through the second seal 4. This can be understood as the piston 2 and the second end of the second air passage 12 achieving an elastic compression seal. In this way, the second seal 4 can fully fill the gap around the second end of the second air passage 12, thereby further improving the sealing effect of the piston 2, and thus further improving the tire pressure retention effect.

[0060] Optionally, the second seal 4 is a vulcanized rubber component. Vulcanized rubber refers to rubber that has been vulcanized and possesses properties such as non-stickiness and resistance to breakage. Specifically, vulcanized rubber also has high elasticity, heat resistance, and tensile strength. Therefore, using vulcanized rubber for the second seal 4 can improve both the sealing effect and the service life of the second seal 4.

[0061] Optionally, an annular seal is formed on the circumferential direction of the piston 2. The annular seal abuts against the inner wall of the piston 2 and the valve body 1 to prevent gas in the gas chamber 8 from leaking through the gap between the piston 2 and the valve body 1, thereby further improving the charging and discharging efficiency.

[0062] According to some embodiments of this utility model, such as Figure 4 As shown, in the first direction, the second seal 4 is positioned at the center of the side of the piston 2 facing the second air passage 12. This ensures the balance of the piston 2 during movement, effectively preventing airtightness failure of the air chamber caused by piston 2 shifting.

[0063] According to some embodiments of this utility model, such as Figure 4 As shown, a protruding bump 5 is formed on the wall surface of the air chamber 8 opposite to the piston 2 in the first direction. The second end of the second air passage 12 passes through the bump 5 in the first direction, and the cross-sectional area of ​​the bump 5 gradually decreases in the protruding direction of the bump 5. It is understandable that piston 2 can block the second end of the second air passage 12 by abutting against protrusion 5. This allows piston 2 to completely block the second end of the second air passage 12, thereby improving the sealing effect of piston 2 and improving the airtightness of the tire chamber, greatly reducing the risk of tire leakage. At the same time, it is also understandable that in the first direction, the second end of the second air passage 12 is closer to piston 2 than the second end of the first air passage 11. In this way, after inflation or deflation, piston 2 can only block the second air passage 12, while the first air passage 11 and the air chamber 8 remain connected. This allows the wheel valve 10 to close the tire chamber, preventing tire leakage, and also facilitates the next inflation or deflation, allowing compressed gas to quickly enter the air chamber 8, so that the compressed gas can drive piston 2 to move more quickly, thereby connecting the first air passage 11 and the second air passage 12.

[0064] According to some embodiments of this utility model, such as Figure 4 As shown, the valve body 1 includes a valve body 13 and a valve cover 14. The valve body 13 has a cavity with an opening on one side in a first direction. The piston 2 is disposed within the cavity. The valve cover 14 is connected to the valve body 13 and seals the opening side of the cavity. It is understood that the cavity provides installation space for the piston 2. The opening on one side of the cavity facilitates the installation, disassembly, and maintenance of the piston 2, thereby improving the assembly convenience and maintainability of the valve body 1.

[0065] The valve cover 14 is connected to the valve body 13 to seal the opening side of the cavity. This seals the cavity and effectively prevents moisture, dust or other impurities from entering the cavity and damaging the piston 2, thereby extending the service life of the wheel-side valve 10.

[0066] According to some embodiments of this utility model, such as Figure 4As shown, the valve cover 14 includes a cover plate body 141 and a boss 142. The cover plate body 141 covers the opening side of the cavity, and the boss 142 is located on the surface of the cover plate body 141 facing the piston 2 and extends into the cavity to be threadedly connected to the valve body 1. It can be understood that the valve cover 14 and the valve body 13 are connected by threads. The threaded connection structure is relatively simple, which simplifies the manufacturing process of the wheel-side valve 10 and reduces its production cost. Specifically, the cover plate body 141 is mainly used to cover the opening side of the cavity, and the boss 142 is adapted to extend into the cavity and connect to the valve body 1, further sealing the opening side of the cavity. Therefore, the valve cover 14, including the cover plate body 141 and the boss 142, can further improve the sealing effect of the valve body 1, thereby further improving the reliability of the wheel-side valve 10.

[0067] It should be noted that the cover body 141 and the boss 142 can be an integral part or separate parts. An integral part can reduce the production process of the valve cover 14, reduce the production steps of the valve cover 14, thereby increasing the production rate of the valve cover 14 and reducing the production cost of the valve cover 14. A separate part can reduce the production difficulty of the valve cover 14 and reduce the mold opening cost of the valve cover 14, thereby reducing the production cost of the valve cover 14.

[0068] Optionally, a limiting groove extending circumferentially around the valve body 13 is formed on the valve body 13. One end of the limiting groove passes through one end of the valve body 13 in a first direction. The cavity passes through the bottom wall of the limiting groove in the first direction. One end of the cover plate body 141 abuts against the bottom wall of the limiting groove. The boss 142 extends into the cavity and is threadedly connected to the valve body 1.

[0069] Optionally, the end of the cover plate body 141 opposite to the boss 142 is formed with an assembly groove extending along the thickness direction of the cover plate body 141. The conversion tool can cooperate with the assembly groove to realize the connection and disassembly of the valve cover 14 and the valve body 13. In this way, the convenience of assembly and disassembly of the valve body 1 can be further improved, and the assembly and maintenance speed of the wheel valve 10 can be increased.

[0070] According to some embodiments of this utility model, such as Figure 4 As shown, the wheel-side valve 10 also includes a third sealing element 6, which extends circumferentially around the valve cover 14 in an annular shape and seals against the valve cover 14 and the valve body 1. This effectively prevents moisture, dust, and other impurities from entering the cavity through the gap between the valve cover 14 and the valve body 1 and affecting the piston 2 and its movement, thus ensuring the normal movement of the piston 2 and the normal operation of the wheel-side valve 10.

[0071] According to some embodiments of this utility model, such as Figure 4As shown, the wheel-side valve 10 also includes an elastic element 7, which is arranged between the piston 2 and the valve cover 14. The elastic element 7 stores energy when the piston 2 is in the open position and can be used to drive the piston 2 to the blocking position to close the second end of the second air passage 12.

[0072] Specifically, the elastic element 7 is arranged on the side of the piston 2 away from the first air passage 11 and the second air passage 12. Thus, when the tire needs to be inflated or deflated, the air source inflates the air chamber 8 through the first air passage 11, driving the piston 2 to move from the sealed position to the open position. During this process, the elastic element 7 is compressed, generating elastic potential energy. When the tire pressure reaches the required pressure, the air source stops inflating the air chamber 8 and simultaneously discharges the gas from the first air passage 11. At this point, the external force acting on the piston 2 is removed, and the piston 2 moves to the sealed position under the action of the elastic potential energy of the elastic element 7, sealing the second air passage 12. Therefore, it can be understood that the piston 2 moves between the open and sealed positions through the combined action of external air pressure and the elastic element 7. The elastic element 7 has a relatively simple structure and low cost. Therefore, by using the elastic element 7 to achieve the movement of the piston 2, the production cost of the wheel-side valve 10 can be reduced.

[0073] According to some embodiments of this utility model, such as Figure 4 As shown, the valve cover 14 has a first limiting groove 143, and the piston 2 has a second limiting groove 21. The first end of the elastic element 7 is arranged in the first limiting groove 143, and the second end of the elastic element 7 is arranged in the second limiting groove 21. In this way, the elastic element 7 can be prevented from deviating during movement, thereby ensuring the normal operation of the wheel-side valve 10.

[0074] According to some embodiments of this utility model, such as Figure 4 As shown, a connecting flange 15 is formed on the valve body 1, and mounting holes suitable for fasteners 16 to pass through are formed on the connecting flange 15. The connecting flange 15 is suitable for fixed connection with the wheel hub 201 by means of fasteners 16. The flange connection provides strong mechanical support, thereby increasing the rigidity of the connection point and the stability of the overall structure, thus improving the connection stability between the wheel valve 10 and the wheel hub 201.

[0075] According to the second aspect of this utility model, the wheel-side valve air pipe assembly 100, such as Figures 2-3 As shown, the device includes a wheel-side valve 10 and a connecting pipe 20 according to a first aspect of the present invention. The first end of the connecting pipe 20 is connected to the first end of the second air passage 12, and the second end of the connecting pipe 20 is adapted to be connected to the air chamber of the tire assembly 1000.

[0076] Understandably, the wheel-side valve 10 is connected to the air chamber via the connecting pipe 20. When inflating the tire, the piston 2 moves to the open position, connecting the first air passage 11 and the second air passage 12. The gas supplied by the air source enters the air chamber sequentially through the first air passage 11, the second air passage 12, and the connecting pipe 20, thereby inflating the tire. When the tire pressure reaches the preset pressure, the air source stops supplying air, and at the same time, the gas in the first air passage 11 is discharged. At this time, the elastic potential energy of the elastic element 7 is greater than the force exerted by the gas on the piston 2. When force is applied, piston 2, under the action of elastic element 7, blocks the second air passage 12, keeping the tire in a pressure-holding state. When the tire is deflated, the air source enters the air chamber 8 through the first air passage 11 and exerts pressure on piston 2. Under the action of air pressure, piston 2 moves toward the open position. At this time, the second air passage 12 is opened, and the first air passage 11 and the second air passage 12 are connected. At the same time, the air source stops supplying air, and the gas in the air chamber is discharged in sequence through connecting pipe 20, second air passage 12, and first air passage 11 to achieve decompression of the tire.

[0077] According to the wheel-side valve air pipe assembly 100 of the present utility model embodiment, by setting the wheel-side valve 10 of the first aspect embodiment, the tire inflation and deflation can be realized, while the overall layout and space occupied by the vehicle inflation and deflation system can be simplified, thereby improving the adaptability of the entire inflation and deflation system.

[0078] According to some embodiments of this utility model, the connecting pipe 20 is a rigid pipe. Rigid pipes have relatively high strength and will not deform, thus reducing the probability of interference with other components during use, thereby further improving vehicle safety during operation.

[0079] It should be noted that the connecting pipe 20 can be a metal rigid pipe or a plastic rigid pipe. The specific material can be selected according to the actual situation, and there are no restrictions here.

[0080] According to some embodiments of this utility model, the valve body 1 and the connecting pipe 20 are welded together. The welded connection offers relatively high strength and sealing performance. Therefore, the welded connection between the valve body 1 and the connecting pipe 20 can ensure both the strength of the wheel-side valve air pipe assembly 100 and the airtightness of the pipeline, thereby further improving the airtightness of the wheel-side valve air pipe assembly 100.

[0081] It should be noted that both the valve body 1 and the connecting pipe 20 are made of metal, which can further improve the overall structural strength of the wheel-side valve air pipe assembly 100, thereby increasing the service life of the wheel-side valve air pipe assembly 100.

[0082] It should be further noted that there are various welding methods. For example, the valve body 1 and the connecting pipe 20 can be connected by brazing. The specific welding method is selected according to the actual situation and is not limited here.

[0083] According to some embodiments of this utility model, such as Figures 2-3 As shown, the wheel-side valve air pipe assembly 100 also includes a protective sleeve 30, which is fitted radially outward of the connecting pipe 20. Specifically, the protective sleeve 30 can be made of a flexible, wear-resistant material, such as rubber. The protective sleeve 30, fitted radially outward of the connecting pipe 20, protects the connecting pipe 20, preventing direct contact between the connecting pipe 20 and other external components, thereby reducing the probability of airtightness failure of the connecting pipe 20. It also reduces noise generated by vibration of the connecting pipe 20 during vehicle operation.

[0084] According to the third aspect embodiment of the present utility model, the tire assembly 1000, such as Figure 1 As shown, it includes: a wheel-side valve air pipe assembly 100, a wheel 200 and a tire according to the second aspect of the present invention. The tire is fitted on the radial outer side of the wheel 200. The tire and the wheel 200 together form an air chamber. The wheel 200 includes: a wheel hub 201. The wheel-side valve 10 is fixed on the wheel hub 201. The second end of the connecting pipe 20 is connected to the air chamber.

[0085] Specifically, the wheel 200 is generally an integral structure consisting of a hub 201, spokes and rim 202; the tire is the part of the vehicle that is in direct contact with the ground, it is wrapped around the outside of the wheel 200 and is mainly made of rubber and other composite materials.

[0086] The wheel-side valve air pipe assembly 100 is fixed to the wheel 200 and is used to inflate or deflate the tire.

[0087] According to the tire assembly 1000 of the present utility model embodiment, by providing the wheel-side valve air pipe assembly 100 of the second aspect embodiment above, the tire can be inflated and deflated at the same time, and the wheel-side valve air pipe assembly 100 can also be effectively prevented from being damaged by roadside impact or other external factors, thereby improving the service life and safety of the tire assembly 1000.

[0088] According to some embodiments of this utility model, such as Figure 1 and Figures 5-6 As shown, the wheel 200 also includes: a rim 202, which is connected to the radial outer side of the hub 201. The hub 201 has a hub 201 bearing air outlet. The first end of the first air passage 11 is connected to the hub 201 bearing air outlet. The rim 202 has a rim interface 2021 that communicates with the air chamber. The second end of the connecting pipe 20 is connected to the rim interface 2021.

[0089] Specifically, rim 202 typically refers to the outer periphery of wheel 200, that is, the part of the structure where the tire is mounted on wheel 200. It is an important component of wheel 200, and its main function is to support the tire and ensure its stable operation. The tire and rim 202 together define the air chamber. Rim 202 has a rim interface 2021 that communicates with the air chamber. The second end of connecting pipe 20 is connected to rim interface 2021, so that the wheel-side valve air pipe assembly 100 is connected to the air chamber, thereby realizing the inflation and deflation of the tire.

[0090] The air outlet of the wheel hub 201 bearing is connected to the first end of the first air passage 11 so as to inflate the tire air chamber through the first air passage 11 or to expel the gas in the tire air chamber.

[0091] According to some embodiments of this utility model, such as Figure 1 and Figure 5 As shown, the hub 201 has a weight-reducing groove 2011, and the valve body 1 is arranged within the weight-reducing groove 2011. This allows for the installation of the valve body 1 without additional openings, thus preserving the design aesthetics of the hub 201; it also enables concealed installation, resulting in a cleaner appearance for the hub 201; furthermore, the weight-reducing groove 2011 serves a positioning function, further improving the accuracy of the connection between the first end of the first air passage 11 and the air outlet of the bearing of the hub 201, thereby further reducing the risk of air leakage.

[0092] According to some embodiments of this utility model, such as Figure 1 As shown, a clearance groove 2012 is formed on the wheel hub 201, and the connecting pipe 20 is arranged in the clearance groove 2012. In this way, interference between the connecting pipe 20 and the brake assembly can be avoided, thereby ensuring the safety of vehicle operation; at the same time, it can also simplify the installation steps of the wheel-side valve air pipe assembly 100 and the wheel 200, thereby improving the assembly speed of the wheel-side valve air pipe assembly 100 and the wheel 200.

[0093] It should be noted that the clearance groove 2012 can also be the clearance groove 2012 on the wheel spoke.

[0094] According to some embodiments of this utility model, such as Figure 6As shown, the wheel-side valve air pipe assembly 100 also includes a connector 40, the first end of which is connected to the connecting pipe 20, and the second end of which extends into the wheel rim interface 2021 and is fixedly connected to the wheel rim 202. It can be understood that the wheel-side valve air pipe assembly 100 is connected to the wheel rim 202 via the connector 40. Specifically, the second end of the connector 40 extends into the wheel rim interface 2021 and is connected to the wheel rim 202 via a plug-in connection. The plug-in connection installation process is simple and quick, requiring no complex tools or techniques, thereby improving the ease of connection between the wheel-side valve air pipe assembly 100 and the wheel rim 202.

[0095] Optionally, the connector 40 is welded to the connecting pipe 20. The welded connection has relatively high strength and sealing performance. Thus, by welding the connector 40 and the connecting pipe 20, the strength of the wheel-side valve air pipe assembly 100 can be guaranteed, while the air tightness of the pipeline can also be guaranteed, thereby further improving the air tightness of the wheel-side valve air pipe assembly 100.

[0096] It should be noted that there are various welding methods. For example, the joint 40 and the connecting pipe 20 can be connected by brazing. The specific welding method is selected according to the actual situation and is not limited here.

[0097] According to some embodiments of this utility model, such as Figure 6 As shown, the wheel-side valve air pipe assembly 100 also includes a fourth seal 50, which is fitted radially outward of the connector 40 to seal the gap between the connector 40 and the wheel rim interface 2021. It can be understood that the fourth seal 50 is formed as a sealing sleeve, fitted radially outward of the connector 40, achieving a compression seal between it and the inner wall of the wheel rim interface 2021. This compression seal typically utilizes the compressibility of elastic materials (such as rubber, silicone, etc.). When these materials are compressed, they can fill the small irregularities between the contact surfaces, thereby increasing the sealing effect.

[0098] It should be noted that the fourth seal 50 can be made of a flexible material with certain corrosiveness and compressibility. For example, rubber material can be used to make the fourth seal 50, which can further improve the service life and sealing effect of the fourth seal 50.

[0099] According to some embodiments of this utility model, the fourth sealing member 50 includes: a first ring portion, a first protrusion portion, and a second protrusion portion. The first ring portion seals against the inner wall between the connector 40 and the rim interface 2021. The first and second protrusion portions are respectively connected to both sides of the first ring portion in the axial direction. One side surface of the first protrusion portion abuts against the outer surface of the rim 202, and one side surface of the second protrusion portion abuts against the inner surface of the rim 202. It can be understood that the first ring portion mainly abuts against and seals the gap between the connector 40 and the inner wall of the rim interface 2021, the first protrusion portion mainly seals the gap between the outer circumferential surface of the rim 202 and the rim interface 2021, and the second protrusion portion mainly seals the gap between the inner circumferential surface of the rim 202 and the rim interface 2021. This achieves multiple seals, further improving the sealing effect between the connector 40 and the rim interface 2021, thereby further reducing the occurrence of tire leaks.

[0100] According to some embodiments of this utility model, such as Figure 6 As shown, the wheel-side valve air pipe assembly 100 also includes a fixing member 70, which is arranged on the side of the wheel rim interface 2021 away from the wheel-side valve 10. The fixing member 70 is connected to the connector 40 to fix the connector 40 to the wheel rim 202. It can be understood that the fixing member 70 is fixed on the side of the wheel rim 202 facing the tire, so that the connector 40 can be installed in a concealed manner, thereby improving the aesthetics of the wheel rim 202.

[0101] Optionally, the fastener 70 is threadedly connected to the connector 40, which facilitates the installation and removal of the connector 40 and the rim 202, thereby improving the convenience of connecting and removing the wheel valve air pipe assembly 100 and the rim 202, and thus improving the assembly convenience and disassembly and maintenance convenience of the tire assembly 1000.

[0102] According to some embodiments of this utility model, such as Figure 6 As shown, the wheel-side valve air pipe assembly 100 also includes a fifth seal 60, which is formed in a ring around the circumference of the connector 40 and abuts against the fixing member 70 and the wheel rim 202. It can be understood that the fifth seal 60 is mainly used to seal the gap between the wheel rim 202 and the fixing member 70. The fifth seal 60 and the fourth seal 50 work together to achieve a double seal at the connection between the connector 40 and the wheel rim interface 2021. This further improves the sealing effect between the connector 40 and the wheel rim interface 2021, thereby further reducing the risk of tire air leakage.

[0103] It should be noted that the fifth seal 60 can be made of a flexible material with certain corrosiveness and compressibility. For example, rubber material can be used to make the fifth seal 60, which can further improve the service life and sealing effect of the fifth seal 60.

[0104] According to some embodiments of this utility model, a groove is formed on the side of the rim 202 facing the tire, and the fifth sealing member 60 is fitted into the groove. The groove can limit the position of the fifth sealing member 60. Thus, when assembling the fixing member 70 and the connector 40, the fifth sealing member 60 can be fixed in the groove first, and then the fixing member 70 can be assembled. This effectively prevents the fifth sealing member 60 from shifting due to external force during the installation of the fixing member 70, thus avoiding poor sealing performance.

[0105] A tire inflation / deflation system according to a fourth aspect of the present invention includes a tire assembly 1000 according to a third aspect of the present invention and an air pipe, the air pipe being connected to a first end of a first air passage 11.

[0106] It is understandable that the tire inflation / deflation system inflates or deflates the tire by connecting the air pipe to the first end of the first air passage 11. It should be noted that the air pipe can be either an intake pipe or an exhaust pipe. When the tire needs inflation, the air pipe acts as an intake pipe, and the first end of the first air passage 11 is connected to an air source via the air pipe. Gas supplied by the air source enters the air chamber through the air pipe, thus inflating the tire. When the tire needs deflation, the air pipe acts as an exhaust pipe, and the first end of the first air passage 11 is connected to an exhaust valve via the air pipe, allowing the gas in the air chamber to be discharged through the exhaust valve.

[0107] It should be further noted that the air source can be a compressor that provides air to the braking system, or it can be a separate air source.

[0108] According to the tire inflation / deflation system of the present invention, by setting the tire assembly 1000 of the third aspect embodiment above, the safety and reliability of the tire inflation / deflation system are effectively improved.

[0109] A vehicle according to a fifth aspect of the present invention includes a tire inflation / deflation system according to a fourth aspect of the present invention.

[0110] The vehicle according to the present invention improves the overall performance of the vehicle by providing the tire inflation / deflation system of the fifth aspect embodiment described above.

[0111] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0112] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0113] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0114] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0115] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A wheel-side valve (10), characterized in that, The wheel-side valve (10) is adapted to be fixed on the hub (201) of the vehicle wheel (200), and the wheel-side valve (10) includes: Valve body (1), the valve body (1) having a first air passage (11) and a second air passage (12), the first end of the first air passage (11) being adapted to be connected to an air pipe, and the first end of the second air passage (12) being adapted to be connected to an air chamber of a tire assembly (1000); A piston (2) is movably arranged in the valve body (1) in a first direction between an open position and a blocked position. An air chamber (8) is defined between the piston (2) and the valve body (1). In the open position, the second end of the first air passage (11) and the second end of the second air passage (12) are connected through the air chamber (8). In the blocked position, the piston (2) blocks the second end of the second air passage (12).

2. The wheel-side valve (10) according to claim 1, characterized in that, Also includes: The first seal (3) is arranged on the outside of the valve body (1) and is circumferentially arranged around the first end of the first air passage (11).

3. The wheel-side valve (10) according to claim 2, characterized in that, A mounting groove is formed around the first end of the first air passage (11), and a portion of the first seal (3) is arranged in the mounting groove.

4. The wheel-side valve (10) according to claim 3, characterized in that, In the direction from the second end of the first air passage (11) toward the first end, at least one sidewall of the mounting groove extends obliquely toward the other sidewall in the radial direction.

5. The wheel-side valve (10) according to claim 1, characterized in that, The piston (2) has a second seal (4) formed on the side facing the second air passage (12). At the blocking position, the piston (2) blocks the second end of the second air passage (12) through the second seal (4).

6. The wheel-side valve (10) according to claim 5, characterized in that, In the first direction, the second seal (4) is arranged at the middle position on the side of the piston (2) facing the second air passage (12).

7. The wheel-side valve (10) according to claim 5, characterized in that, A protruding bump (5) is formed on the wall surface of the air chamber (8) opposite to the piston (2) in the first direction. The second end of the second air passage (12) passes through the protruding bump (5) in the first direction, and the cross-sectional area of ​​the protruding bump (5) gradually decreases in the protruding direction of the protruding bump (5).

8. The wheel-side valve (10) according to claim 1, characterized in that, The valve body (1) includes a valve body (13) and a valve cover (14). The valve body (13) has a cavity with an opening on one side in a first direction. The piston (2) is arranged in the cavity. The valve cover (14) is connected to the valve body (13) and seals the opening side of the cavity.

9. The wheel-side valve (10) according to claim 8, characterized in that, The valve cover (14) includes a cover plate body (141) and a boss (142). The cover plate body (141) covers the opening side of the cavity. The boss (142) is provided on the side surface of the cover plate body (141) facing the piston (2) and extends into the cavity to be threadedly connected to the valve body (1).

10. The wheel-side valve (10) according to claim 9, characterized in that, Also includes: The third seal (6) extends in a ring around the circumference of the valve cover (14) and seals against the valve cover (14) and the valve body (1).

11. The wheel-side valve (10) according to claim 9, characterized in that, Also includes: An elastic element (7) is arranged between the piston (2) and the valve cover (14). The elastic element (7) stores energy when the piston (2) is in the open position and can be used to drive the piston (2) to the blocking position to close the second end of the second air passage (12).

12. The wheel-side valve (10) according to claim 11, characterized in that, The valve cover (14) has a first limiting groove (143), the piston (2) has a second limiting groove (21), the first end of the elastic member (7) is arranged in the first limiting groove (143), and the second end of the elastic member (7) is arranged in the second limiting groove (21).

13. The wheel-side valve (10) according to claim 1, characterized in that, A connecting flange (15) is formed on the valve body (1), and a mounting hole suitable for fasteners (16) is formed on the connecting flange (15). The connecting flange (15) is suitable for fixed connection with the hub (201) by the fasteners (16).

14. A wheel-side valve air pipe assembly (100), characterized in that, Includes a wheel-side valve (10) and a connecting pipe (20) according to any one of claims 1-13, wherein a first end of the connecting pipe (20) is connected to a first end of the second air passage (12), and a second end of the connecting pipe (20) is adapted to be connected to the air chamber of the tire assembly (1000).

15. The wheel-side valve air pipe assembly (100) according to claim 14, characterized in that, The connecting pipe (20) is a rigid pipe.

16. The wheel-side valve air pipe assembly (100) according to claim 15, characterized in that, The valve body (1) and the connecting pipe (20) are welded together.

17. The wheel-side valve air pipe assembly (100) according to claim 16, characterized in that, Also includes: A protective sleeve (30) is fitted on the radial outside of the connecting pipe (20).

18. A tire assembly (1000), characterized in that, include: According to any one of claims 14-17, the wheel-side valve air pipe assembly (100), the wheel (200), and the tire are provided, wherein the tire is fitted on the radial outer side of the wheel (200), the tire and the wheel (200) together form an air chamber, the wheel (200) includes: a hub (201), the wheel-side valve (10) is fixed on the hub (201), and the second end of the connecting pipe (20) is connected to the air chamber.

19. The tire assembly (1000) according to claim 18, characterized in that, The wheel (200) further includes: a rim (202) connected to the radial outer side of the hub (201), the hub (201) having a hub (201) bearing outlet, the first end of the first air passage (11) communicating with the hub (201) bearing outlet, the rim (202) having a rim interface (2021) communicating with the air chamber, and the second end of the connecting pipe (20) communicating with the rim interface (2021).

20. The tire assembly (1000) according to claim 18, characterized in that, The hub (201) has a weight-reducing groove (2011), and the valve body (1) is arranged in the weight-reducing groove (2011).

21. The tire assembly (1000) according to claim 18, characterized in that, A clearance groove (2012) is formed on the hub (201), and the connecting pipe (20) is arranged in the clearance groove (2012).

22. The tire assembly (1000) according to claim 19, characterized in that, The wheel-side valve air pipe assembly (100) further includes: a connector (40), the first end of which is connected to the connecting pipe (20), and the second end of which extends into the wheel rim interface (2021) and is fixedly connected to the wheel rim (202).

23. The tire assembly (1000) according to claim 22, characterized in that, The wheel-side valve air pipe assembly (100) further includes a fourth seal (50), which is fitted on the radially outer side of the connector (40) to seal the gap between the connector (40) and the wheel rim interface (2021).

24. The tire assembly (1000) according to claim 23, characterized in that, The fourth sealing element (50) includes: a first ring portion, a first protrusion portion and a second protrusion portion. The first ring portion seals against the inner wall between the joint (40) and the rim interface (2021). The first protrusion portion and the second protrusion portion are respectively connected to both sides of the first ring portion in the axial direction. One side surface of the first protrusion portion abuts against the outer surface of the rim (202), and one side surface of the second protrusion portion abuts against the inner surface of the rim (202).

25. The tire assembly (1000) according to claim 22, characterized in that, The wheel-side valve air pipe assembly (100) further includes a fixing member (70), which is arranged on the side of the wheel rim interface (2021) away from the wheel-side valve (10), and the fixing member (70) is connected to the connector (40) to fix the connector (40) to the wheel rim (202).

26. The tire assembly (1000) according to claim 25, characterized in that, The wheel-side valve air pipe assembly (100) further includes a fifth seal (60), which is formed in an annular shape around the joint (40) and seals against the fixing member (70) and the wheel rim (202).

27. The tire assembly (1000) according to claim 26, characterized in that, The rim (202) has a groove on the side facing the tire, and the fifth seal (60) fits into the groove.

28. A tire inflation / deflation system, characterized in that, Includes a tire assembly (1000) according to any one of claims 18-27 and an air hose, the air hose being connected to the first end of the first air passage (11).

29. A vehicle, characterized in that, Includes the tire inflation / deflation system according to claim 28.

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