Abstract: An electric vehicle includes a front frame (1), a rear frame (2), and a sliding seat (3). The front frame has a first gear set (14). A movable rotation shaft (15) connects the front frame and the rear frame. The rear frame has a track (21). A sliding support (22) is mounted on the track and connects a linear driver (23) which connects a connecting member (25) which connects a connecting shaft (26) which connects the front frame. A wheel support (27) connects the rear frame and an auxiliary wheel (28) and has a second gear set (29) meshing with the first gear set. A linkage (4) connects the rear frame and support rack (31). A link unit (41) connects the linkage and the sliding support. The sliding seat is mounted on a seat support (33) which is mounted on the support rack.

Abstract: An electric vehicle includes a front frame (1), a rear frame (2), and a sliding seat (3). The front frame has a first gear set (14). A movable rotation shaft (15) connects the front frame and the rear frame. The rear frame has a track (21). A sliding support (22) is mounted on the track and connects a linear driver (23) which connects a connecting member (25) which connects a connecting shaft (26) which connects the front frame. A wheel support (27) connects the rear frame and an auxiliary wheel (28) and has a second gear set (29) meshing with the first gear set. A linkage (4) connects the rear frame and support rack (31). A link unit (41) connects the linkage and the sliding support. The sliding seat is mounted on a seat support (33) which is mounted on the support rack.

Abstract: A motorized wheeled vehicle includes a support frame, a head tube secured on the support frame, a front fork pivotally mounted on the head tube, a front wheel rotatably mounted on the front fork, a steering tube pivotally mounted on the head tube and secured on the front fork, a speed reduction control switch mounted on the head tube and provided with a plurality of contact points, and a contact board mounted on the steering tube and movable relative to the speed reduction control switch to press or detach the contact points of the speed reduction control switch. Thus, the speed reduction control switch has a multi-stage and micro-adjustment speed reduction function so as to reduce the speed of the motorized wheeled vehicle gradually when the motorized wheeled vehicle is turned.

Abstract: An electromagnetic brake device includes a motor, a control mechanism and an operation unit. The control mechanism includes a fixed seat, an electromagnetic valve, a press button and a rotation plate. The operation unit includes a mounting tube, a locking bar, a push button, and an elastic member. Thus, a user only needs to press the push button to lock or unlock the operation unit and the control mechanism to control operation of the electromagnetic valve so as to control the braking operation of the brake disc, so that the electromagnetic brake device is operated easily and quickly, thereby facilitating the user operating the electromagnetic brake device.

Abstract: A vehicle body includes a front frame, a rear frame, a control unit, a fixing screw, a battery, and a locking unit. Thus, the rear frame is combined with and detached from the front frame easily and rapidly, thereby facilitating a user assembling and disassembling the vehicle body. In addition, the fixing hooks of the front frame are snapped onto the fixing stubs of the rear frame, and the locking hook of the control unit on the support post of the rear frame is locked in the locking hole of the front frame, thereby forming a three-point support structure by the fixing hooks, the fixing stubs and the locking hook, so that the rear frame is combined with the front frame rigidly and stably.

Abstract: A motorized wheel chair includes a main body having two support rods, a battery mounted between the support rods of the main body, and two rotation retaining members each rotatably mounted on a respective one of the support rods and each rotatable to rest on the battery to retain the battery on the main body. Thus, the user only needs to hang the battery on the support rods, to rotate the rotation retaining members and to press the rotation retaining members on the battery so as to attach the battery to the main body, so that the battery is mounted on the main body easily and conveniently. In addition, the battery is retained by the rotation retaining members, so that the battery is mounted on the main body rigidly and stably.

Abstract: A vehicle body includes a front frame, a rear frame, a control unit, a fixing screw, a battery, and a locking unit. Thus, the rear frame is combined with and detached from the front frame easily and rapidly, thereby facilitating a user assembling and disassembling the vehicle body. In addition, the fixing hooks of the front frame are snapped onto the fixing stubs of the rear frame, and the locking hook of the control unit on the support post of the rear frame is locked in the locking hole of the front frame, thereby forming a three-point support structure by the fixing hooks, the fixing stubs and the locking hook, so that the rear frame is combined with the front frame rigidly and stably.

Abstract: A vehicle includes vehicle body having a front body and a rear body, a front receptacle mounted on the front body, a rear receptacle mounted on the rear body, and two energized plates mounted on the front receptacle and inserted into the rear receptacle when the rear body is combined with the front body so that the rear receptacle is electrically connected to the front receptacle to form an electrical connection between the front body and the rear body. Thus, when the rear body is combined with the front body, the front body and the rear body form an electrical connection synchronously, so that the electric power of the vehicle is conducted easily and rapidly.

Abstract: A battery conducting device for a motorized scooter includes a fixing seat, a permanent magnet movably mounted in the chamber of the fixing seat, a bolt movably mounted on the fixing seat and having a flat plate rested on the permanent magnet, and an electrode contact member rested on the flat plate and attracted by the permanent magnet so that the electrode contact member is bonded on the flat plate closely. Thus, the flat plate is connected to the electrode contact member constantly, so that the bolt is connected to the battery constantly, thereby connecting the battery to the motor power supply input successively so as to supply an electric power to the motorized scooter successively without interruption due to a shock or vibration.

Abstract: An infinitely variable angle adjusting device for a handlebar of a motorized vehicle includes a fixing seat, a handlebar stem, a pull handle, an adjusting base, a cover, two sockets, two slides, a compression spring, two urging ball units, a shaft, two press members, and a pull wire. Thus, the adjusting base is movable on the shaft freely, so that the handlebar stem is pivoted relative to the fixing seat, so as to adjust the included angle between the handlebar stem and the fixing seat arbitrarily, so that the inclined angle of the handlebar on the handlebar stem can be adjusted easily and arbitrarily.

Abstract: An infinitely variable angle adjusting device for a handlebar of a motorized vehicle includes a fixing seat, a handlebar stem, a pull handle, an adjusting base, a cover, two sockets, two slides, a compression spring, two urging ball units, a shaft, two press members, and a pull wire. Thus, the adjusting base is movable on the shaft freely, so that the handlebar stem is pivoted relative to the fixing seat, so as to adjust the included angle between the handlebar stem and the fixing seat arbitrarily, so that the inclined angle of the handlebar on the handlebar stem can be adjusted easily and arbitrarily.