Amphibious driving device, tire assembly and vehicle

Abstract

The utility model discloses an amphibious driving device, a tire assembly and a vehicle. The amphibious driving device is applied to a tire and comprises a driving mechanism and a propeller. The driving mechanism comprises a first rotor and a second rotor. The first rotor is used for being fixedly connected with a tire. The second rotor and the first rotor can rotate relative to each other. The propeller is fixedly connected with the second rotor. In the first working mode, the first rotor serves as a stator, and the second rotor rotates relative to the first rotor under the action of magnetic field force so as to drive the propeller to rotate; and in the second working mode, the second rotor serves as a stator, and the first rotor rotates relative to the second rotor under the action of the magnetic field force so as to drive the tires to rotate. By adopting the amphibious driving device disclosed by the utility model, the amphibious performance of the tire is realized, the tire can be switched among different working modes, the working scenes are enriched, the use of parts is reduced, and the overall structure compactness of the amphibious driving device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to an amphibious driving device, a tire assembly and a vehicle. Background Art

[0002] An amphibious vehicle combines the dual performances of a vehicle and a ship, and can travel on land like a car and float on water like a ship. The existing amphibious vehicle has more components in its wheels and an uncompact structure. Content of the Utility Model

[0003] In view of this, an object of the utility model is to provide an amphibious driving device, a tire assembly and a vehicle, so as to solve the technical problem that the existing amphibious vehicle has more components in its wheels and an uncompact structure.

[0004] In a first aspect, the utility model provides an amphibious driving device applied to a tire. The amphibious driving device has a first working mode and a second working mode. The amphibious driving device includes a driving mechanism and a propeller. The driving mechanism includes a first rotor and a second rotor. The first rotor is used for being fixedly connected with the tire. The second rotor can rotate relative to the first rotor. The propeller is fixedly connected with the second rotor. In the first working mode, the first rotor serves as a stator, and the second rotor rotates relative to the first rotor under the action of magnetic force to drive the propeller to rotate; in the second working mode, the second rotor serves as a stator, and the first rotor rotates relative to the second rotor under the action of magnetic force to drive the tire to rotate.

[0005] In combination with the first aspect, in a possible implementation manner, the second rotor and the propeller are integrally formed; or, the second rotor and the propeller are independently arranged and fixedly connected.

[0006] In combination with the first aspect, in a possible implementation manner, the first rotor is provided with a first accommodating groove, and the second rotor is arranged in the first accommodating groove.

[0007] In combination with the first aspect, in a possible implementation manner, the driving mechanism further includes a rotating shaft. The second rotor and the first rotor are coaxially arranged on the rotating shaft. The first rotor includes a seat ring and a supporting spoke plate. The seat ring is connected with the supporting spoke plate to form the first accommodating groove. The supporting spoke plate is rotatably sleeved on the rotating shaft. The seat ring is abutted or close to the outer side wall of the second rotor.

[0008] In combination with the first aspect, in a possible implementation manner, the second rotor is provided with a second accommodation groove, and the propeller is disposed in the second accommodation groove.

[0009] In a second aspect, the present utility model provides a tire assembly, including a tire and the amphibious driving device as described above, and the amphibious driving device and the tire are integrated into an amphibious vehicle wheel.

[0010] In combination with the second aspect, in a possible implementation manner, the tire is detachably connected to the amphibious driving device.

[0011] In combination with the second aspect, in a possible implementation manner, one end of the tire along the rotation axis of the tire is provided with a mounting groove, and the driving mechanism is disposed in the mounting groove.

[0012] In combination with the second aspect, in a possible implementation manner, the tire includes a tire tread and a rim. The tire tread is sleeved on the rim. The rim includes a wheel rim and a wheel spoke. The wheel spoke is disposed at one end of the wheel rim and forms the mounting groove with the wheel rim. The outer side wall of the amphibious driving device is in abutting or close arrangement with the groove side wall of the mounting groove.

[0013] In combination with the second aspect, in a possible implementation manner, the tire assembly further includes a flipping mechanism. The flipping mechanism is connected to the amphibious vehicle wheel and is used to adjust the included angle of the tire wall of the amphibious vehicle wheel relative to the horizontal plane.

[0014] In combination with the second aspect, in a possible implementation manner, the flipping mechanism includes an auxiliary device and a swing arm. One end of the swing arm is rotatably connected to the auxiliary device, and the other end of the swing arm is connected to the rotating shaft. The auxiliary device is used to be connected to the vehicle body and is used to limit the swinging angle of the swing arm.

[0015] In a third aspect, the present utility model provides a vehicle, including a vehicle body and the tire assembly as described above. The tire assembly is disposed on the rear side of the vehicle body, and the amphibious vehicle wheel is flipable relative to the vehicle body.

[0016] In combination with the third aspect, in a possible implementation manner, the vehicle body includes a rear door. The amphibious vehicle wheel is flipable relative to the vehicle body to any position between a first position and a second position. The first position is the position where the amphibious vehicle wheel abuts against the rear door, and the second position is the position where the amphibious vehicle wheel supports on the ground or the position where the amphibious vehicle wheel is at least partially immersed in water.

[0017] In combination with the third aspect, in a possible implementation, when the vehicle is traveling on land, the amphibious driving device can enter the second working mode, and the flipping mechanism drives the amphibious vehicle wheels to flip and support on the ground; when the vehicle is traveling on water, the flipping mechanism drives the amphibious vehicle wheels to flip into the water, and the amphibious driving device enters the first working mode, so that the propellers of the amphibious vehicle wheels rotate in the water.

[0018] The amphibious driving device, tire assembly and vehicle provided by the embodiments of the present invention, on the one hand, based on integrating the amphibious driving device on the tire, fixing the first rotor to the tire, and fixing the second rotor to the propeller. In the first working mode (i.e., the vehicle is traveling on water), the second rotor can drive the propeller to rotate. In the second working mode (i.e., the vehicle is traveling on land), the first rotor can drive the tire to rotate, thus realizing the amphibious performance of the vehicle; on the other hand, based on setting the first rotor and the second rotor to be each other's stators, that is, when the first rotor rotates, the second rotor is fixed as the stator, and when the second rotor rotates, the first rotor is fixed as the stator, so that the tire can switch between different working modes, enriching the working scenarios, reducing the use of parts, and improving the overall structural compactness of the amphibious driving device. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 is a schematic structural diagram of the tire assembly provided by the embodiments of the present invention.

[0021] Figure 2 is a schematic structural diagram of the vehicle traveling on water provided by the embodiments of the present invention.

[0022] Figure 3 is Figure 1 the exploded view of the tire assembly in

[0023] Figure 4 is Figure 1 the sectional view of the tire assembly in

[0024] Figure 5 is a schematic structural diagram of the vehicle rotating in place provided by the embodiments of the present invention.

[0025] Figure 6It is a schematic structural diagram of a vehicle traveling on land provided by an embodiment of the present utility model.

[0026] Main reference numerals description: 1000 - vehicle; 100 - vehicle body; 110 - vehicle frame; 120 - rear door; 130 - original tire; 140 - spare tire; 300 - tire assembly; 1 - tire; 10 - tire; 101 - tire wall; 102 - tread; 20 - rim; 201 - mounting groove; 21 - wheel rim; 22 - wheel hub; 23 - wheel spoke; 3 - amphibious driving device; 4 - driving mechanism; 30 - rotating shaft; 40 - first rotor; 401 - first accommodating groove; 41 - seat ring; 42 - supporting spoke plate; 43 - mounting sleeve; 50 - second rotor; 501 - second accommodating groove; 6 - propeller; 61 - propeller blade; 62 - connecting sleeve; 5 - amphibious vehicle wheel; 7 - flipping mechanism; 701 - flipping shaft; 70 - swing arm; 80 - auxiliary device; 90 - fixing sleeve; X - length direction; Y - width direction; Z - height direction; P - rotation axis; Q - flipping axis; F1 - first direction; F2 - second direction.

[0027] The following specific embodiments will further illustrate the present utility model in conjunction with the above-mentioned drawings. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] It is understandable that the terms in the description, claims and the above-mentioned drawings of the present utility model are only for describing specific embodiments, and are not intended to limit the present utility model. The terms "first", "second", etc. in the description, claims and the above-mentioned drawings of the present utility model are used to distinguish different objects, rather than to describe a specific order. Unless otherwise clearly stated in the context, the singular forms "a" and "the" are also intended to include the plural forms. The term "comprising" and any variations thereof are intended to cover non-exclusive inclusion. In addition, the present utility model can be implemented in many different forms and is not limited to the embodiments described in this embodiment. The purpose of providing the following specific embodiments is to facilitate a clearer and more thorough understanding of the disclosed content of the present utility model. The words indicating directions such as up, down, left, right, etc. are only in terms of the position of the shown structure in the corresponding drawings. In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "set on..." should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0030] The subsequent description in the specification is of the preferred embodiments for implementing the present utility model. However, the above description is for the purpose of explaining the general principles of the present utility model and is not intended to limit the scope of the present utility model. The protection scope of the present utility model shall be subject to what is defined by the appended claims.

[0031] First, the basic concepts involved in the embodiments of the present utility model will be briefly introduced below.

[0032] The term "horizontal plane" refers to a surface parallel to the bearing surface for placing the amphibious driving device.

[0033] The term "original tire" refers to the original factory tire, that is, the tire standardly equipped by the automobile manufacturer when producing automobiles.

[0034] The term "spare tire" refers to the spare tire of a vehicle. Among them, the specification of the spare tire can be the same as that of the original tire of the vehicle; or, it can be different from the specification of the original tire of the vehicle, and the embodiments of the present utility model do not make specific limitations.

[0035] The term "tire tread" refers to the surface of the tire for contacting the ground, that is, the surface of the tire in the circumferential direction.

[0036] The term "tire sidewall" refers to the wall surface provided on the side of the tire tread, that is, the surface of the tire in the radial direction.

[0037] The term "abut" means that one component is closely adjacent to another component, that is, one component abuts against another component; or, one component is arranged close to another component, that is, there is a gap between the two components, and the gap is within a preset range and is relatively small.

[0038] Please refer to Figure 1 , Figure 1 which is a schematic structural view of the tire assembly 300 provided by an embodiment of the present utility model. The tire assembly 300 includes a tire 1 and an amphibious driving device 3. The amphibious driving device 3 is arranged on the tire 1 and integrated with the vehicle body 100 to form an amphibious vehicle wheel 5. Thus, on the one hand, the amphibious driving device 3 endows the tire 1 with amphibious performance; on the other hand, the amphibious driving device 3 can be hidden inside the tire 1, thereby improving the aesthetics of the tire assembly 300, while improving the ground clearance of the vehicle 1000, making the vehicle 1000 more stable and safer during driving, and avoiding the problem that the amphibious driving device 3 hinders the vehicle 1000 from driving on land.

[0039] Please also refer to Figure 1 and Figure 2 , Figure 2 which is a schematic structural view of the vehicle 1000 driving on water provided by an embodiment of the present utility model. The vehicle 1000 includes an original tire 130 and a spare tire 140. The tire 1 can be configured as at least one of the original tire 130 and the spare tire 140. In order to enable those skilled in the art to better understand the interaction between the tire 1 and the amphibious driving device 3, the following takes the tire 1 configured as the spare tire 140 of the vehicle 1000 as an example for detailed introduction. Of course, the amphibious driving device 3 can be set according to actual needs. For example, the amphibious driving device 3 can be integrated on the original tire 130 of the vehicle 1000; or, it can also be integrated on the original tire 130 and the spare tire 140 of the vehicle 1000.

[0040] It should be noted that Figure 1 the purpose is only to schematically describe the setting manner between the tire 1 and the amphibious driving device 3, and does not specifically limit the connection positions, connection relationships, specific structures, etc. of each component. Figure 1 is only the structure of the tire assembly 300 schematically shown in an embodiment of the present utility model, and does not constitute a specific limitation on the tire assembly 300. In other embodiments of the present utility model, the tire assembly 300 may include more or fewer components than Figure 1 shown, or combine some components, or different components. For example, the tire assembly 300 may further include but is not limited to a speed reducer, a connecting cable, and the like.

[0041] Exemplarily, in this embodiment, the tire 1 is detachably connected to the amphibious drive device 3, which facilitates operations such as maintenance and replacement of the tire 1 and the amphibious drive device 3. Moreover, when the tire 1 is used as a spare tire 140, the user can remove the spare tire 140 from the amphibious drive device 3 and install it at the original tire 130 that needs to be replaced, improving the flexibility of use and enriching the application scenarios. Of course, in a possible implementation, the tire 1 and the amphibious drive device 3 can also be non-detachably connected, thereby improving the reliability and stability of the connection between the tire 1 and the amphibious drive device 3 and enhancing the assembly efficiency.

[0042] Please refer to Figure 3 and Figure 4 , Figure 3 is Figure 1 the exploded view of the tire assembly 300 in Figure 4 is Figure 1 the sectional view of the tire assembly 300 in . The amphibious drive device 3 is embedded in the tire 1. Specifically, an installation groove 201 is provided at one end of the tire 1 along the rotation axis P of the tire 1. The drive mechanism 4 is disposed in the installation groove 201. Thus, the amphibious drive device 3 can be hidden inside the tire 1, avoiding the problem of bump damage to the amphibious drive device 3, extending the service life of the amphibious drive device 3, and improving the space utilization rate of the tire 1.

[0043] Specifically, the tire 1 includes a tire 10 and a rim 20. The tire 10 is sleeved on the rim 20. The tire 10 is installed on the outer periphery of the wheel rim 21 and is used to contact the road surface to generate a force. The inside of the tire 10 is hollow, so that the tire 1 has buoyancy. Moreover, when the tire 1 is in water, the tire 10 can act as a buoyancy device, increasing the buoyancy of the vehicle 1000 and improving the smoothness and safety of the vehicle 1000 when driving on water.

[0044] At one end of the rim 20 along the rotation axis P of the tire 1, there is an installation groove 201 for installing the amphibious drive device 3. Specifically, the rim 20 includes a wheel rim 21 and a wheel spoke 23. The wheel spoke 23 is arranged at one end of the wheel rim 21 and forms the installation groove 201 with the wheel rim 21. The outer sidewall of the drive mechanism 4 is in contact with or close to the groove sidewall of the installation groove 201. Thus, the amphibious drive device 3 can be hidden inside the rim 20, avoiding the problem of bump damage to the amphibious drive device 3, extending the service life of the amphibious drive device 3, and improving the space utilization rate of the tire 1. The wheel rim 21 is used to fix and support the tire 10 and transmit the force between the tire 10 and the road surface to the vehicle body 100 of the vehicle 1000. The wheel spokes 23 are radially arranged along the radial direction of the vehicle 1000, so as to provide radial support for the wheel rim 21. Exemplarily, in this embodiment, the outer sidewall of the first rotor 40 is in contact with the inner sidewall of the wheel rim 21. Of course, in some embodiments, the outer sidewall of the first rotor 40 can also be spaced from the inner sidewall of the wheel rim 21 and close to the inner sidewall of the wheel rim 21.

[0045] As Figure 3 shown, an embodiment of the present invention provides an amphibious drive device 3. The amphibious drive device 3 is applied to the tire 1. The amphibious drive device 3 has a first working mode and a second working mode. The amphibious drive device 3 includes a drive mechanism 4 and a propeller 6. The drive mechanism 4 includes a first rotor 40 and a second rotor 50. The first rotor 40 is used to be fixedly connected to the tire 1. The second rotor 50 is rotatable relative to the first rotor 40. The propeller 6 is connected to the second rotor 50. In the first working mode, the first rotor 40 serves as a stator, and the second rotor 50 rotates relative to the first rotor 40 under the action of magnetic force to drive the propeller 6 to rotate; in the second working mode, the second rotor 50 serves as a stator, and the first rotor 40 rotates relative to the second rotor 50 under the action of magnetic force to drive the tire 1 to rotate.

[0046] Please refer to again Figure 2 and Figure 3, the amphibious drive device 3 provided by the embodiment of the present utility model, on the one hand, is based on integrating the amphibious drive device 3 on the tire 1, embedding the amphibious drive device 3 in the tire 1, fixedly connecting the first rotor 40 to the tire 1, and fixedly connecting the second rotor 50 to the propeller 6. In the first working mode (i.e., the vehicle 1000 is traveling on water), the second rotor 50 can drive the propeller 6 to rotate. In the second working mode (i.e., the vehicle 1000 is traveling on land), the first rotor 40 can drive the tire 1 to rotate, thereby realizing the amphibious performance of the vehicle 1000; on the other hand, based on setting the first rotor 40 and the second rotor 50 as each other's stators, that is, when the first rotor 40 rotates, the second rotor 50 is fixed as the stator, and when the second rotor 50 rotates, the first rotor 40 is fixed as the stator, so that the tire 1 can switch between different working modes, enriching the working scenarios, and reducing the use of components, improving the overall structural compactness of the amphibious drive device 3.

[0047] It can be understood that the amphibious drive device 3 further includes a third working mode. In the third working mode, both the first rotor 40 and the second rotor 50 serve as stators, that is, neither the first rotor 40 nor the second rotor 50 rotates. When the tire 1 is a spare tire 140 and the spare tire 140 does not participate in driving, the amphibious drive device 3 enters the third working mode.

[0048] The first rotor 40 is provided with a first accommodation groove 401. The second rotor 50 is arranged in the first accommodation groove 401. That is, the first rotor 40 serves as an outer rotor and the second rotor 50 serves as an inner rotor, thereby preventing the problem of the second rotor 50 being knocked and damaged, and improving the overall structural compactness of the amphibious driving device 3. Specifically, the driving mechanism 4 further includes a rotating shaft 30. The second rotor 50 and the first rotor 40 are coaxially arranged on the rotating shaft 30. Thus, the coaxial arrangement of the first rotor 40 and the second rotor 50 can reduce the number of mechanical parts of the driving mechanism 4, thereby simplifying the structure of the driving mechanism 4 and improving the overall structural compactness; and enabling the driving mechanism 4 to maintain good dynamic performance under different working conditions. The first rotor 40 includes a seat ring 41 and a support web 42. The seat ring 41 is connected to the support web 42 to form the first accommodation groove 401. The support web 42 is rotatably sleeved on the rotating shaft 30, and the seat ring 41 is arranged in contact with or close to the outer side wall of the second rotor 50. Thus, the second rotor 50 can be hidden inside the first rotor 40. On the one hand, it enhances the motor performance, prevents the problem of the second rotor 50 being knocked and damaged, and improves the overall structural compactness of the amphibious driving device 3; on the other hand, the seat ring 41 is coaxially arranged with the first rotor 40, so that when the first rotor 40 and the second rotor 50 are energized, a circumferential magnetic force can be generated to enable the first rotor 40 to drive the tire 1 to rotate around the rotating shaft 30 or the second rotor 50 to drive the propeller 6 to rotate around the rotating shaft 30. The seat ring 41 is arranged in abutment against the rim 21. In some embodiments, the seat ring 41 and the rim 21 can be in clearance fit and are arranged close to the rim 21. On the one hand, it is convenient for the first rotor 40 to be installed in the installation groove 201 of the wheel rim 20, improving the assembly efficiency; on the other hand, it improves the space utilization rate of the amphibious driving device 3 for the tire 1 and improves the overall structural compactness of the amphibious wheel 5. Of course, in some embodiments, the seat ring 41 can abut against the inner side wall of the rim 21, and the tire 10 abuts against the outer side wall of the rim 21.

[0049] Both the first rotor 40 and the second rotor 50 are configured as rotor windings integrating windings and rotors. Specifically, both the first rotor 40 and the second rotor 50 include rotors and windings disposed on the rotors. The rotor can be configured as, but not limited to, a permanent magnet, an electromagnet, or other magnetic structures or magnetizable structures. For example, when the first rotor 40 is fixed, current flows through the winding of the first rotor 40, and the rotor of the first rotor 40 will be magnetized to form a magnet and generate a first magnetic field. At this time, the electromagnetic fixation generated by the winding of the first rotor 40 is equivalent to a permanent magnet. When current passes through the winding of the second rotor 50, the second rotor 50 rotates in the first magnetic field generated by the first rotor 40 due to electromagnetic induction, so as to drive the propeller 6 to rotate around the rotating shaft 30. By the same principle, when the second rotor 50 is fixed, current flows through the winding of the second rotor 50, and the rotor of the second rotor 50 will be magnetized to form a magnet and generate a second magnetic field. At this time, the electromagnetic fixation generated by the winding of the second rotor 50 is equivalent to a permanent magnet. When current passes through the winding of the first rotor 40, the first rotor 40 rotates in the second magnetic field generated by the second rotor 50 due to electromagnetic induction, so as to drive the tire 1 to rotate around the rotating shaft 30.

[0050] The second rotor 50 is disposed on a side of the first rotor 40 facing away from the rim 20. Specifically, the support spoke 42 is disposed between the wheel spoke 23 and the first rotor 40. The rim 20 further includes a hub 22. The wheel spoke 23 is fixedly connected to the first rotor 40 through the hub 22. Specifically, the support spoke 42 and the hub 22 can be detachably connected together by, but not limited to, a locking member, so as to facilitate the fixed connection between the first rotor 40 plate and the rim 20, and further realize the rotation of the tire 1 following the rotation of the first rotor 40.

[0051] In a possible implementation manner, the first rotor 40 further includes a mounting sleeve 43. The mounting sleeve 43 is connected to the support spoke 42 and rotatably sleeved on the rotating shaft 30, so that the first rotor 40 is rotatable relative to the rotating shaft 30. The mounting sleeve 43 is relatively fixedly disposed along the axial direction of the rotating shaft 30 relative to the rotating shaft 30. The hub 22 is sleeved on the mounting sleeve 43, so as to facilitate the alignment and installation of the rim 20 and the first rotor 40.

[0052] The second rotor 50 is provided with a second receiving groove 501. The propeller 6 is disposed within the second receiving groove 501. Thus, the propeller 6 is disposed inside the second rotor 50, so that the propeller 6 does not increase the overall space of the tire 1, and both the first rotor 40 and the second rotor 50 are hidden within the mounting groove 201 of the tire 1. On the one hand, it avoids the problem that the amphibious drive device 3 affects the driving efficiency of the vehicle 1000 on land or water, improves the driving smoothness and aesthetics of the vehicle 1000, and at the same time improves the ground clearance of the vehicle 1000, making the vehicle 1000 more stable and safer during driving; on the other hand, the tire 1 can protect the amphibious drive device 3 and extend its service life.

[0053] Exemplarily, in the present embodiment, the second rotor 50 and the propeller 6 are integrally formed, thereby improving the connection strength between the second rotor 50 and the propeller 6 and improving the assembly efficiency. Specifically, the second rotor 50 is configured as an annular structure. The propeller 6 is fixed to the inner side wall of the second rotor 50.

[0054] The propeller 6 includes a plurality of blades 61 and a connecting sleeve 62. The connecting sleeve 62 is rotatably sleeved on the rotating shaft 30 and is fixedly disposed in the axial direction of the central axis of the rotating shaft 30 relative to the rotating shaft 30, so that the second rotor 50 can cooperate with the first rotor 40 to generate a magnetic force. The plurality of blades 61 are equally spaced at intervals along the circumferential direction of the connecting sleeve 62, thereby avoiding the problem that the blades 61 are damaged due to uneven force. Each blade 61 is connected between the connecting sleeve 62 and the first rotor 40, so that the blade 61 can play a role in changing the water flow and a role in supporting the first rotor 40. The plurality of blades 61 are arranged radially from the center of the connecting sleeve 62. The plurality of blades 61 are twisted along the rotation direction of the propeller 6. Thus, when the radial dimension of the propeller 6 is limited, the twisted arrangement of the blades 61 can increase the area of the blades 61, which is beneficial for vibration reduction or cavitation avoidance, and improves the propulsion effect of the propeller 6. It should be noted that the twisting direction and the twisting angle of each blade 61 can be set according to the rotation direction of the propeller 6, and the present utility model does not make specific limitations. In the direction parallel to the rotation axis P of the first rotor 40, the distance between each blade 61 and the support web 42 gradually increases from the rotating shaft 30 to the arrangement direction of the second rotor 50, so that the propeller 6 can be reasonably arranged within the limited space of the first receiving groove 401, improving the space utilization rate of the first rotor 40. Wherein, the rotation axis P is the central axis of the rotating shaft 30, that is, the rotating shaft 30, the first rotor 40, and the second rotor 50 are coaxially arranged. Exemplarily, in the present embodiment, the number of blades 61 is six. The number of blades 61 can be designed according to actual conditions, and the embodiments of the present utility model do not make specific limitations. For example, the number of blades 61 can also be three, four, five, seven, eight, etc.

[0055] In a possible implementation, the second rotor 50 is independently arranged and fixedly connected to the propeller 6, facilitating operations such as the assembly, maintenance, replacement, and machining of the second rotor 50 and the propeller 6. For example, the propeller 6 and the second rotor 50 can be fixedly connected together by, but not limited to, clamping, screw locking, etc.

[0056] In a possible implementation, the tire assembly 300 further includes a flipping mechanism 7. The amphibious wheel 5 includes a tire wall 101 and a tread 102. The tire wall 101 is disposed on the sidewall of the tread 102, and the tread 102 is the surface for the amphibious wheel 5 to contact the ground. The flipping mechanism 7 is connected to the amphibious wheel 5 and is used to adjust the angle of the tire wall 101 of the amphibious wheel 5 relative to the horizontal plane. Thus, the flipping mechanism 7 can be used to adjust the position of the amphibious wheel 5 so that the amphibious wheel 5 can be applicable to different working scenarios. For example, when the vehicle 1000 is traveling on land, the amphibious wheel 5 can be flipped by adjusting the flipping mechanism 7 and abutted against the rear door 120 of the vehicle 1000, thereby preventing the spare tire 140 from dragging on the ground and interfering with the normal driving of the vehicle 1000 on land, protecting the amphibious drive device 3 embedded in the spare tire 140, and not affecting the normal access to the spare tire 140. Another example is that when the vehicle 1000 is traveling on water, the amphibious wheel 5 can be flipped to the water surface by adjusting the flipping mechanism 7, so that the spare tire 140 can increase the buoyancy of the vehicle 1000 without increasing the overall vehicle design, enriching the usage scenarios of the amphibious wheel 5. Among them, the direction of the central axis of the spare tire 140 is parallel to the propulsion direction of the vehicle 1000 on water, facilitating the user to control the flipping mechanism 7 to adjust the angle of the tire wall 101 of the spare tire 140 relative to the horizontal plane according to the water level. That is, the flipping mechanism 7 can adjust the central axis of the spare tire 140 to an angle parallel to the water surface within a preset range, thereby adjusting the driving attitude of the entire vehicle 1000 on water and balancing the impact caused by the unstable water surface when the vehicle 1000 is traveling on water, improving the user experience.

[0057] Exemplarily, in this embodiment, the flipping mechanism 7 includes a swing arm 70 and an auxiliary device 80. One end of the swing arm 70 is rotatably connected to the auxiliary device 80, and the other end of the swing arm 70 is connected to the rotating shaft 30. The auxiliary device 80 is used to be connected to the vehicle body 100 of the vehicle 1000 and is used to define the swinging angle of the swing arm 70. Thus, the auxiliary device 80 can control the swing arm 70 together with the amphibious wheel 5 to adjust the angle between the tire wall 101 of the amphibious wheel 5 and the horizontal plane. Specifically, in this embodiment, the flipping mechanism 7 further includes a flipping shaft 701, and the swing arm 70 and the auxiliary device 80 are rotatably connected through the flipping shaft 701. The flipping shaft 701 is independently arranged relative to the swing arm 70 and the auxiliary device 80, or the flipping shaft 701 is integrated with the swing arm 70 or the auxiliary device 80. The flipping mechanism 7 further includes a fixing sleeve 90 sleeved on the rotating shaft 30. The fixing sleeve 90 is arranged at one end of the swing arm 70 facing away from the auxiliary device 80, so as to facilitate the assembly of the flipping mechanism 7 and the amphibious driving device 3. The swing arm 70 is connected to the side wall of the fixing sleeve 90, which is convenient for the processing and forming of the swing arm 70 and the fixing sleeve 90. The number of the auxiliary devices 80 is two, and the number of the swing arms 70 corresponds to the number of the auxiliary devices 80 one by one, thereby improving the stability of the flipping mechanism 7 in adjusting the amphibious wheel 5. It should be noted that the number of the swing arms 70 and the number of the auxiliary devices 80 are only used for illustration. For example, the number of the swing arms 70 and the number of the auxiliary devices 80 can also include one, three or more than three, and the number of the swing arms 70 can also be more or less than the number of the auxiliary devices 80. The embodiments of the present invention do not make specific limitations.

[0058] It should be noted that the auxiliary device 80 is configured as an auxiliary motor with adjustment function and locking function, so that after the swing arm 70 is flipped by a preset angle relative to the auxiliary device 80, the auxiliary device 80 can lock the swing arm 70 to avoid the rotation of the swing arm 70 from affecting the driving efficiency of the vehicle 1000. Exemplarily, in this embodiment, the auxiliary device 80 can be a control arm integrated with a joint motor. Of course, in some embodiments, the tire assembly 300 can further include a limiting structure, which is used to lock the swing arm 70 to the auxiliary device 80 so that the swing arm 70 cannot drive the amphibious wheel 5 to flip relative to the auxiliary device 80; the limiting structure is also used to unlock the fixed connection between the swing arm 70 and the auxiliary device 80 so that the swing arm 70 can drive the amphibious wheel 5 to flip relative to the auxiliary device 80. The limiting structure and the auxiliary device 80 can be independently arranged relative to each other; or they can be integrated into a whole. The present invention does not make specific limitations.

[0059] Please refer to again Figure 1 、 Figure 2 and Figure 5 , Figure 5It is a schematic structural diagram of the vehicle 1000 rotating in place provided by the embodiment of the present utility model. The vehicle 1000 includes a vehicle body 100 and a tire assembly 300. The tire assembly 300 is arranged on the rear side of the vehicle body 100, and the amphibious vehicle wheel 5 is rotatable relative to the vehicle body 100.

[0060] In this embodiment, when the tire assembly 300 serves as a spare tire 140, the amphibious vehicle wheel 5 is rotatable relative to the vehicle body 100 along a rotation axis Q, where the rotation axis Q is parallel to the width direction Y of the vehicle 1000. The rotation axis Q refers to the central axis of the rotation shaft 701.

[0061] The vehicle 1000 includes a plurality of original tires 130. Exemplarily, in this embodiment, the vehicle 1000 includes four original tires 130 and one spare tire 140. It can be understood that the number of original tires 130 can be designed according to the actual situation, and the embodiments of the present utility model do not make specific limitations. For example, the vehicle 1000 may also include three, six or more than six original tires 130.

[0062] For the sake of accurate description, whenever directions are involved in this article, please always take Figure 4 and Figure 5 as references. The term "length direction X" refers to the forward direction of the vehicle 1000, that is, the arrangement direction of the front wheels and rear wheels of the vehicle 1000 in Figure 4 , that is, the front-rear direction (where the positive direction of the X axis is the rear). The term "width direction Y" refers to the arrangement direction of the left wheel and right wheel of the vehicle 1000 in Figure 5 , that is, the left-right direction (where the positive direction of the Y axis is the left). The term "height direction Z" refers to the direction from the bearing plane of the vehicle 1000 to the highest protruding part of the vehicle 1000, that is, the up-down direction (where the positive direction of the Z axis is the up). Among them, the length direction X, width direction Y and height direction Z together constitute three orthogonal directions of the vehicle 1000. For the sake of convenient description, the up-down, left-right, and front-rear orientations in this application are relative positions and do not constitute a limitation on implementation. The length direction X, width direction Y and height direction Z of the vehicle 1000 can be customized according to the specific structure of the product and the perspective presented in the drawings, and this application does not make specific limitations.

[0063] Please refer to Figure 2 and Figure 6 , Figure 6It is a schematic structural view of the vehicle 1000 provided by the embodiment of the present utility model when traveling on land. The vehicle body 100 includes a rear door 120. The amphibious vehicle wheel 5 can be flipped relative to the vehicle body 100 to any position between a first position and a second position. The first position is the position where the amphibious vehicle wheel 5 abuts against the rear door 120, and the second position is the position where the amphibious vehicle wheel 5 supports on the ground or the position where the amphibious vehicle wheel 5 is at least partially immersed in water. Specifically, the flipping mechanism 7 is used to drive the flipping of the amphibious vehicle wheel 5 to adjust the position of the amphibious vehicle wheel 5 in the height direction Z of the vehicle 1000. Thus, since the flipping mechanism 7 can adjust the position of the amphibious vehicle wheel 5 in the height direction Z of the vehicle 1000, the amphibious vehicle wheel 5 can be adapted to different working scenarios. For example, when the vehicle 1000 is traveling on land, the amphibious vehicle wheel 5 can be flipped relative to the vehicle body 100 to the first position so that the amphibious vehicle wheel 5 abuts against the rear door 120. Of course, in some embodiments, when the vehicle 1000 is traveling on land, the amphibious vehicle wheel 5 can be flipped relative to the vehicle body 100 to the second position so that the amphibious vehicle wheel 5 supports on the ground, thereby enabling the amphibious vehicle wheel 5 to participate in the in-situ rotation movement of the vehicle 1000. When the vehicle 1000 is traveling on water, the amphibious vehicle wheel 5 can be flipped relative to the vehicle body 100 to the second position so that the amphibious vehicle wheel 5 is immersed in water.

[0064] In this embodiment, the vehicle body 100 includes a vehicle frame 110 and a rear door 120 disposed on the rear side of the vehicle frame 110. The rear door 120 is disposed on the rear side of the vehicle frame 110 in the length direction X of the vehicle 1000. The rear door 120 is rotatably connected to the vehicle frame 110. The rear door 120 can be a side-opening rear door 120; or, it can be a lift-up rear door 120. Exemplarily, in this embodiment, the tire assembly 300 is disposed on the vehicle frame 110 and is disposed close to the rear door 120. Thus, when the rear door 120 is opened, the spare tire 140 of the tire assembly 300 is first flipped to the wheel side, thereby facilitating the user to operate the rear door 120 to quickly open or close the rear door 120. Of course, in some embodiments, the tire assembly 300 can also be disposed on the rear door 120.

[0065] When the spare tire 140 of the tire assembly 300 is not in use, the amphibious drive device 3 can enter the third working mode, and the flipping mechanism 7 drives the amphibious vehicle wheel 5 to flip to the side close to the rear door 120. Specifically, the spare tire 140 together with the amphibious drive device 3 can flip around the flipping axis Q to the side away from the original tire 130, so that the spare tire 140 can lean against the rear door 120 or be close to the rear door 120, thereby improving the aesthetics of the vehicle 1000 and avoiding the problem of the tire assembly 300 being knocked and damaged during land travel, and further improving the land travel efficiency of the vehicle 1000. When the spare tire 140 of the tire assembly 300 is in use, the spare tire 140 together with the amphibious drive device 3 can flip around the flipping axis Q to the side close to the original tire 130 and work in coordination with the original tire 130, thereby improving the travel efficiency of the vehicle 1000 on land and on water.

[0066] Please refer to Figure 3 and Figure 4 , in a possible implementation manner, when the vehicle 1000 is traveling on water, the flipping mechanism 7 drives the amphibious vehicle wheel 5 to flip into the water, and the amphibious drive device 3 enters the first working mode so that the propeller 6 of the amphibious vehicle wheel 5 rotates in the water. Specifically, when the vehicle 1000 is traveling on water, the spare tire 140 of the tire assembly 300 can flip around the flipping axis Q to the side close to the original tire 130 by a preset angle, and at this time, the amphibious drive device 3 enters the first working mode. Among them, the preset angle can be designed according to the bottom surface condition, and the embodiment of the present utility model does not make specific limitations. For example, the spare tire 140 of the tire assembly 300 together with the amphibious drive device 3 can flip around the flipping axis Q to the side close to the original tire 130 by 180°, so that the rotation axis P of the spare tire 140 is parallel to the horizontal plane. Specifically, the vehicle 1000 controls the energization states of the windings of the first rotor 40 and the second rotor 50 so that the first rotor 40 and the second rotor 50 cooperate to generate a first magnetic force. The first rotor 40 is fixedly arranged relative to the rotating shaft 30, and the second rotor 50 can drive the propeller 6 to rotate around the rotating shaft 30 relative to the first rotor 40 under the action of the first magnetic force. Since the first rotor 40 is fixedly arranged relative to the rotating shaft 30, the vehicle 1000 will not rotate during water travel, thereby greatly improving the water travel efficiency of the vehicle 1000. It can be understood that when encountering a wavy water surface, the vehicle 1000 can adjust the angle of the tire wall 101 of the amphibious vehicle wheel 5 relative to the horizontal plane through the flipping mechanism 7, so as to adjust the thrust direction of the amphibious vehicle wheel 5, improve the dynamic balance of the vehicle 1000 during water travel, and further improve the stability and safety of the vehicle 1000 during water travel.

[0067] Please refer to Figure 3 and Figure 5, in a possible implementation, when the vehicle is traveling on land, the amphibious drive device 3 can enter the second working mode, and the flipping mechanism 7 drives the amphibious vehicle wheels 5 to flip and support on the ground. Specifically, when the vehicle 1000 is traveling on land and needs to change direction in a narrow space, the spare tire 140 of the tire assembly 300 together with the amphibious drive device 3 can flip around the flipping axis Q towards the side close to the original tire 130 by a preset angle. At this time, the amphibious drive device 3 enters the second working mode. Specifically, the vehicle 1000 controls the energization states of the windings of the first rotor 40 and the second rotor 50, so that the first rotor 40 and the second rotor 50 cooperate to generate a second magnetic force. The second rotor 50 is fixedly arranged relative to the rotating shaft 30. Under the action of the second magnetic force, the first rotor 40 can drive the spare tire 140 to rotate around the rotating shaft 30 relative to the second rotor 50. Thus, the vehicle 1000 can achieve in-situ steering under the collaborative work of the spare tire 140 and the original tire 130, improving the driving efficiency of the vehicle 1000 on land and on water. At this time, the original tires 130 of the vehicle 1000, such as two front wheels, output a rotational force along the first direction F1, and the spare tire 140 contacts the ground and outputs a rotational force along the second direction F2. Among them, the first direction F1 is the counterclockwise direction, the second direction F2 is the same as the rotation direction of the vehicle 1000, and is tangent to the first direction F1. Of course, the vehicle 1000 can also enable the spare tire 140 to cooperate with the original tire 130 to change direction in a space with a larger space. The embodiments of the present invention do not make specific limitations.

[0068] Please refer to Figure 3 and Figure 6 , in a possible implementation, when the vehicle 1000 is traveling normally on land, the spare tire 140 of the tire assembly 300 together with the amphibious drive device 3 can flip around the flipping axis Q towards the side away from the original tire 130, so that the tire assembly 300 can be attached to the rear door 120 of the vehicle 1000, thus avoiding the problem that the amphibious drive device 3 hinders the vehicle 1000 from traveling on land.

[0069] In a possible implementation, when the vehicle 1000 encounters an emergency while traveling on land, that is, when the original tire 130 fails, the user can flip the spare tire 140 of the tire assembly 300 around the flipping axis Q towards the side close to the original tire 130 by a preset angle, remove the spare tire 140 from the amphibious drive device 3, and install it on the original tire 130 that needs to be replaced, so as to enable the vehicle 1000 to continue to travel normally. Of course, in some embodiments, when the original tire 130 fails, the user can also install the amphibious vehicle wheel 5 integrated with the spare tire 140 and the amphibious drive device 3 on the original tire 130 that needs to be replaced.

[0070] In a possible implementation, the original tire 130 of the vehicle 1000 is at least partially integrated with the amphibious driving device 3.

[0071] The vehicle 1000 includes but is not limited to fuel vehicles, gas vehicles or new energy vehicles. The new energy vehicle can be a pure electric vehicle, a hybrid vehicle, an extended-range vehicle, a plug-in hybrid vehicle, etc.

[0072] For the vehicle 1000 provided by the present utility model, the spare tire 140 is integrated with the amphibious driving device 3. On the one hand, the vehicle 1000 can not only travel on water but also enhance its driving performance on land; on the other hand, the design that the first rotor 40 and the second rotor 50 can act as each other's stator, that is, in different modes, the first rotor 40 or the second rotor 50 can be selected to act as the stator, so that the amphibious driving of the amphibious driving device 3 can be switched, thereby improving the structural compactness and enriching the usage scenarios of the vehicle 1000; on the other hand, the entire amphibious driving device 3 is hidden inside the spare tire 140, the force on the flipping mechanism 7 is small, it will not additionally increase the design space and does not affect the land driving of the vehicle 1000, thereby improving the aesthetics of the vehicle 1000 and enriching the usage scenarios of the vehicle 1000; on the other hand, the amphibious driving device 3 can also be integrated with the original tire 130 of the vehicle 1000 so that the vehicle 1000 can realize the functions of traveling on water and on land.

[0073] Each embodiment in the specification is described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts among the embodiments can be referred to each other.

[0074] Although the preferred embodiments of the embodiments of the present utility model have been described, those skilled in the art can make additional changes and modifications once they know the basic creative concept. Therefore, the appended claims are intended to be construed to include the preferred embodiments and all changes and modifications falling within the scope of the embodiments of the present utility model.

[0075] The embodiments of the present utility model have been introduced in detail above. Specific examples are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. An amphibious driving device applied to vehicle tires, characterized in that The amphibious drive device has a first working mode and a second working mode, and the amphibious drive device includes: A drive mechanism, the drive mechanism includes a first rotor and a second rotor, the first rotor is used for fixedly connecting with the tire, and the second rotor can rotate relative to the first rotor; and A propeller, the propeller is fixedly connected with the second rotor; In the first working mode, the first rotor serves as a stator, and the second rotor rotates relative to the first rotor under the action of magnetic field force to drive the propeller to rotate; In the second working mode, the second rotor serves as a stator, and the first rotor rotates relative to the second rotor under the action of magnetic field force to drive the tire to rotate.

2. The amphibious drive device according to claim 1, characterized in that, The second rotor and the propeller are integrally formed; or, the second rotor and the propeller are independently arranged and fixedly connected.

3. The amphibious drive device according to claim 1, characterized in that The first rotor is provided with a first accommodation groove, and the second rotor is arranged in the first accommodation groove.

4. The amphibious drive device according to claim 3, wherein, The drive mechanism further includes a rotating shaft, the second rotor and the first rotor are coaxially arranged on the rotating shaft, the first rotor includes a seat ring and a support web, the seat ring is connected with the support web to form the first accommodation groove, the support web is rotatably sleeved on the rotating shaft, and the seat ring is abutted or close to the outer side wall of the second rotor.

5. The amphibious drive device according to any one of claims 1-4, characterized in that The second rotor is provided with a second accommodation groove, and the propeller is arranged in the second accommodation groove.

6. A tire assembly, characterized in that, It includes a tire and the amphibious drive device according to any one of claims 1-5, and the amphibious drive device and the tire are integrated into an amphibious wheel.

7. The tire assembly according to claim 6, characterized in that, The tire is detachably connected with the amphibious drive device.

8. The tire assembly according to claim 6, characterized in that, One end of the tire along the rotation axis of the tire is provided with a mounting groove, and the drive mechanism is arranged in the mounting groove.

9. The tire assembly according to claim 8, characterized in that, The tire includes a tread and a rim, the tread is sleeved on the rim, the rim includes a wheel rim and a wheel spoke, the wheel spoke is arranged at one end of the wheel rim and forms the mounting groove with the wheel rim, and the outer side wall of the drive mechanism is abutted or close to the groove side wall of the mounting groove.

10. The tire assembly according to claim 6, wherein, The tire assembly further includes a flipping mechanism, the flipping mechanism is connected with the amphibious wheel and is used for adjusting the angle between the tire wall of the amphibious wheel and the horizontal plane.

11. The tire assembly according to claim 10, wherein, The flipping mechanism includes an auxiliary device and a swing arm, one end of the swing arm is rotatably connected with the auxiliary device, the other end of the swing arm is connected with the drive mechanism, and the auxiliary device is used for connecting with the vehicle body and for limiting the swinging angle of the swing arm.

12. A vehicle, characterized in that, It includes a vehicle body and the tire assembly according to any one of claims 6-11, the tire assembly is arranged on the rear side of the vehicle body, and the amphibious wheel is rotatable relative to the vehicle body.

13. The vehicle according to claim 12, characterized in that, The vehicle body includes a rear door. The amphibious wheels can be flipped relative to the vehicle body to any position between a first position and a second position. The first position is the position where the amphibious wheels are abutted against the rear door, and the second position is the position where the amphibious wheels are supported on the ground or the position where at least part of the amphibious wheels are immersed in water.

14. The vehicle according to claim 12, characterized in that, When the vehicle is traveling on land, the amphibious drive device can enter the second working mode, and the flipping mechanism drives the amphibious wheels to flip and support on the ground; When the vehicle is traveling on water, the flipping mechanism drives the amphibious wheels to flip into the water, and the amphibious drive device enters the first working mode so that the propellers of the amphibious wheels rotate in the water.

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