Hub mechanism, wheel assembly, power generation device, and driving system

A wheel device, comprising a driving buffer assembly and a hub mechanism, wherein an inner peripheral wall of the driving buffer assembly has an elastic deformation portion, an outer peripheral wall of the hub body being sleeved on the driving buffer assembly, and each piston unit column being connected to the elastic deformation portion;

• the hub mechanism comprising a hub body and multiple piston assemblies, the hub body defining multiple piston chambers and multiple piston hole sets, each piston hole set comprising multiple piston holes, and each piston chamber being communicated with the multiple piston holes of the corresponding piston hole set;
• the outer peripheral wall of the hub body being used for connecting to the driving buffer assembly;
• each piston assembly comprising a piston plate and multiple piston unit columns, the multiple piston unit columns being connected in parallel to the piston plate, the piston plate of each piston assembly being located within the corresponding piston chamber and being slidably connected to the hub body, the multiple piston unit columns corresponding one-to-one with the multiple piston holes of the respective piston hole sets, each piston unit column being slidably connected to the hub body, each piston unit column being used for connecting to the driving buffer assembly;
• each piston chamber being used to communicate with an inlet of a power generation mechanism when the hub body rotates to a first predetermined angular position, and to communicate with an outlet of the power generation mechanism when the hub body rotates to a second predetermined angular position;
• the driving buffer assembly comprising a tire, a fixed boss member, an inflatable membrane, and an elastic connecting block;
• the tire comprising an annular accommodation groove, the tire being sleeved on the hub;
• the fixed boss members being multiple in number, and being spaced apart on an inner peripheral wall of the annular accommodation groove, each fixed boss member being connected to the corresponding piston assembly of the hub mechanism that is slidingly connected to the hub, the inflatable membrane being located in the annular accommodation groove, the inflatable membrane being connected to each piston assembly corresponding to each fixed boss member, and the elastic connecting blocks being multiple in number;
• each elastic connecting block being connected to two adjacent fixed boss members, and each elastic connecting block also being located in the annular accommodation groove and connected to the tire, such that the inner peripheral wall of the driving buffer assembly defines an elastic deformation area.

A power generation device, comprising a power generation mechanism and a wheel device,

• the wheel device comprising a driving buffer assembly and a hub mechanism, wherein an inner peripheral wall of the driving buffer assembly has an elastic deformation portion, an outer peripheral wall of the hub body being sleeved on the driving buffer assembly, and each piston unit column being connected to the elastic deformation portion;
• the hub mechanism comprising a hub body and multiple piston assemblies, the hub body defining multiple piston chambers and multiple piston hole sets, each piston hole set comprising multiple piston holes, and each piston chamber being communicated with the multiple piston holes of the corresponding piston hole set;
• the outer peripheral wall of the hub body being used for connecting to the driving buffer assembly;
• each piston assembly comprising a piston plate and multiple piston unit columns, the multiple piston unit columns being connected in parallel to the piston plate, the piston plate of each piston assembly being located within the corresponding piston chamber and being slidably connected to the hub body, the multiple piston unit columns corresponding one-to-one with the multiple piston holes of the respective piston hole sets, each piston unit column being slidably connected to the hub body, each piston unit column being used for connecting to the driving buffer assembly;
• each piston chamber being used to communicate with an inlet of a power generation mechanism when the hub body rotates to a first predetermined angular position, and to communicate with an outlet of the power generation mechanism when the hub body rotates to a second predetermined angular position;
• the driving buffer assembly comprising a tire, a fixed boss member, an inflatable membrane, and an elastic connecting block;
• the tire comprising an annular accommodation groove, the tire being sleeved on the hub;
• the fixed boss members being multiple in number, and being spaced apart on an inner peripheral wall of the annular accommodation groove, each fixed boss member being connected to the corresponding piston assembly of the hub mechanism that is slidingly connected to the hub, the inflatable membrane being located in the annular accommodation groove, the inflatable membrane being connected to each piston assembly corresponding to each fixed boss member, and the elastic connecting blocks being multiple in number;
• each elastic connecting block being connected to two adjacent fixed boss members, and each elastic connecting block also being located in the annular accommodation groove and connected to the tire, such that the inner peripheral wall of the driving buffer assembly defines an elastic deformation area;
• wherein each piston cavity communicates with a liquid inlet end of the power generation mechanism when the hub rotates to the first predetermined angle position, and communicates with the liquid outlet end of the power generation mechanism when the hub rotates to the second predetermined angle position.

A driving system, comprising a rotating shaft, a driving body, and a power generation device, with the hub body being connected to the rotating shaft, the rotating shaft being rotatably connected to the driving body, and the power generation mechanism being arranged on the driving body;

• the power generation device comprising a power generation mechanism and a wheel device;
• the wheel device comprising a driving buffer assembly and a hub mechanism, wherein an inner peripheral wall of the driving buffer assembly has an elastic deformation portion, an outer peripheral wall of the hub body being sleeved on the driving buffer assembly, and each piston unit column being connected to the elastic deformation portion
• the hub mechanism comprising a hub body and multiple piston assemblies, the hub body defining multiple piston chambers and multiple piston hole sets, each piston hole set comprising multiple piston holes, and each piston chamber being communicated with the multiple piston holes of the corresponding piston hole set;
• the outer peripheral wall of the hub body being used for connecting to the driving buffer assembly;
• each piston assembly comprising a piston plate and multiple piston unit columns, the multiple piston unit columns being connected in parallel to the piston plate, the piston plate of each piston assembly being located within the corresponding piston chamber and being slidably connected to the hub body, the multiple piston unit columns corresponding one-to-one with the multiple piston holes of the respective piston hole sets, each piston unit column being slidably connected to the hub body, each piston unit column being used for connecting to the driving buffer assembly;
• each piston chamber being used to communicate with an inlet of a power generation mechanism when the hub body rotates to a first predetermined angular position, and to communicate with an outlet of the power generation mechanism when the hub body rotates to a second predetermined angular position;
• the driving buffer assembly comprising a tire, a fixed boss member, an inflatable membrane, and an elastic connecting block;
• the tire comprising an annular accommodation groove, the tire being sleeved on the hub;
• the fixed boss members being multiple in number, and being spaced apart on an inner peripheral wall of the annular accommodation groove, each fixed boss member being connected to the corresponding piston assembly of the hub mechanism that is slidingly connected to the hub, the inflatable membrane being located in the annular accommodation groove, the inflatable membrane being connected to each piston assembly corresponding to each fixed boss member, and the elastic connecting blocks being multiple in number;
• each elastic connecting block being connected to two adjacent fixed boss members, and each elastic connecting block also being located in the annular accommodation groove and connected to the tire, such that the inner peripheral wall of the driving buffer assembly defines an elastic deformation area;
• wherein each piston cavity communicates with a liquid inlet end of the power generation mechanism when the hub rotates to the first predetermined angle position, and communicates with the liquid outlet end of the power generation mechanism when the hub rotates to the second predetermined angle position.