A multi-power-source motor assembly for a rotisserie, comprising:
- a housing forming a receiving space therein, wherein the receiving space has a lower portion;
- and the housing comprises:
- a front housing section having a front side formed with a shaft hole and a rear side formed with an opening, wherein the opening forms the receiving space therein, the receiving space is in communication with the shaft hole, and the opening is larger than the fixing base in shape so that the fixing base is able to pass through the opening and be fixedly mounted in the upper portion of the receiving space in the front housing section;
- and
- a rear housing section matching the opening in shape and mounted to the opening to cover the upper portion of the receiving space, the rear housing section being formed with a mounting hole corresponding to the lower portion of the receiving space;
- a fixing base fixedly mounted in an upper portion of the receiving space in the housing;
- a direct-current (DC) motor fixedly mounted on the fixing base and having a rotating shaft fixedly provided with a driving gear;
- a reduction gear unit mounted on the fixing base, the reduction gear unit comprising an input gear meshing with the driving gear and an output gear protrudingly provided with an output shaft, wherein the output shaft has a free end exposed on a front side of the housing and configured to connect with a spit, and the DC motor, when turned on, rotates the output shaft through the reduction gear unit such that the spit is rotated with the output shaft;
- at least one set of battery connections comprising a positive terminal connection and a negative terminal connection, wherein the positive terminal connection and the negative terminal connection are fixedly mounted in the lower portion of the receiving space in the housing and are configured to connect with a positive terminal and a negative terminal of a battery respectively;
- at least one mobile power pack plug or socket fixedly mounted on the housing, corresponding to the lower portion of the receiving space, and configured to connect with a mobile power pack;
- a power switch mounted on an outer wall of the housing and separately and electrically connected to the battery connections, the mobile power pack plug or socket, and the DC motor in order to switch on and off power supply to the DC motor;
- and
- a partition matching the lower portion of the receiving space in shape, wherein the partition has a rear side concavely provided with a power source accommodating space, the partition further has a front side fixedly mounted in the lower portion of the receiving space in the front housing section, and the battery connections and the mobile power pack plug or socket are separately and fixedly mounted on the partition and correspond in position to the power source accommodating space;
- and
- a battery or a mobile power pack is mounted in the power source accommodating space.