Electric wheel hub and driving wheel

An electric hub, comprising a hub and an inner gear ring;

• wherein the inner gear ring and the hub are separated from each other, and the inner gear ring and the hub are fixed coaxially and rotate synchronously;
• the hub has a hollow inner chamber within which a driving motor is provided;
• the driving motor comprises a housing and a motor shaft there is a gap between an outer wall of the housing and an inner wall of the inner chamber of the hub;
• and, one end of the motor shaft is matched with the inner gear ring via a planet speed-reduction mechanism, while an electromagnetic brake mechanism is provided at the other end of the motor shaft wherein a number of bosses extending inward are formed on an inner wall of the hub, a number of fixed portions extending outward are formed on an outer edge of the inner gear ring, and fixed portion grooves matched with the fixed portions in shape are formed on the bosses;
• inner walls of the bosses are first cambered surfaces fitted with the outer edge of the inner gear ring;
• the fixed portions of the inner gear ring are located within the fixed portion grooves;
• and, the fixed portions of the inner gear ring are fixed to the hub via fasteners, and the outer edge of the inner gear ring is resisted against the inner walls of the bosses.

An electric hub, comprising a hub and an inner gear ring;

• wherein the inner gear ring and the hub are separated from each other, and the inner gear ring and the hub are fixed coaxially and rotate synchronously;
• the hub has a hollow inner chamber within which a driving motor is provided;
• the driving motor comprises a housing and a motor shaft there is a gap between an outer wall of the housing and an inner wall of the inner chamber of the hub;
• and, one end of the motor shaft is matched with the inner gear ring via a planet speed-reduction mechanism, while an electromagnetic brake mechanism is provided at the other end of the motor shaft wherein the electromagnetic brake mechanism comprises a brake block located on the motor shaft and a brake pad which is sheathed outside the brake block and fixed with the brake block;
• the brake block is of a polygonal structure, the brake pad is disc-shaped, and a fitting groove matched with the brake block in shape is formed in the center of the brake pad;
• and, a brake arm capable of locking the brake pad is provided outside the hub.

An electric hub, comprising a hub and an inner gear ring;

• wherein the inner gear ring and the hub are separated from each other, and the inner gear ring and the hub are fixed coaxially and rotate synchronously;
• the hub has a hollow inner chamber within which a driving motor is provided;
• the driving motor comprises a housing and a motor shaft there is a gap between an outer wall of the housing and an inner wall of the inner chamber of the hub;
• and, one end of the motor shaft is matched with the inner gear ring via a planet speed-reduction mechanism, while an electromagnetic brake mechanism is provided at the other end of the motor shaft wherein a lead clamp is fixed on the electric hub mounting plate;
• a first groove section and a second groove section are provided at a position on the electric hub mounting plate corresponding to an outer side of the lead clamp;
• a leading-out wire of the motor is fitted with the lead clamp, and a spring sheath is sheathed outside the leading-out wire;
• the spring sheath comprises a first section and a second section;
• the diameter of the first section is greater than that of the second section, and the diameter of the second section is matched with the diameter of the leading-out wire;
• the first section is fixed within the first groove section, and the second section is fixed within the second groove section;
• and, the leading-out wire passes through the lead clamp and then successively through the first groove section and the second groove section;
• and
• the lead clamp comprises an upper clamp body and a lower clamp body, both of which are of an ohm-type structure;
• an opening of the upper clamp body and an opening of the lower clamp body are arranged opposite to each other;
• the leading-out wire is fitted between the upper clamp body and the lower clamp body;
• and meshing teeth are formed inside both the opening of the upper clamp body and the opening of the lower clamp body.

An electric hub, comprising a hub and an inner gear ring;

• wherein the inner gear ring and the hub are separated from each other, and the inner gear ring and the hub are fixed coaxially and rotate synchronously;
• the hub has a hollow inner chamber within which a driving motor is provided;
• the driving motor comprises a housing and a motor shaft there is a gap between an outer wall of the housing and an inner wall of the inner chamber of the hub;
• and, one end of the motor shaft is matched with the inner gear ring via a planet speed-reduction mechanism, while an electromagnetic brake mechanism is provided at the other end of the motor shaft wherein at least six first process holes are formed at an end of the inner chamber of the hub equipped with the left hub end cover, and at least six second process holes are formed at an end of the inner chamber of the hub equipped with the right hub end cover;
• both the first process holes and the second process holes are arranged annularly at uniform intervals;
• and each of the second process holes is relatively located between two bosses;
• and
• the bosses extend outward along an axis of the hub;
• second chambered surfaces matched with an inner wall of the right hub end cover are formed on the outer walls of the bosses, and the second chambered surfaces are of a slope structure inclined to the inner side.

An electric hub, comprising a hub and an inner gear ring;

• wherein the inner gear ring and the hub are separated from each other, and the inner gear ring and the hub are fixed coaxially and rotate synchronously;
• the hub has a hollow inner chamber within which a driving motor is provided;
• the driving motor comprises a housing and a motor shaft there is a gap between an outer wall of the housing and an inner wall of the inner chamber of the hub;
• and, one end of the motor shaft is matched with the inner gear ring via a planet speed-reduction mechanism, while an electromagnetic brake mechanism is provided at the other end of the motor shaft wherein a number of ribs protruded outward are formed on the outer wall of the hub, the ribs are parallel to the axis of the hub, and the number of ribs are distributed at uniform intervals on the outer wall of the hub in a circumferential direction of the hub.