Adjustable lighting device is used in teaching

• Main Author: YUAN ZIFAN
• Format: Patent
• Language: Chinese; English
• Published: 30.06.2017
• Subjects: BLASTING; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

The utility model discloses an adjustable lighting device is used in teaching, including lamp shade and control box, the top of lamp shade is provided with the rotor plate, the bearing has been cup jointed at the middle part of rotor plate, the right -hand member joint of control box has the relay, open the inside of control box has the fixed orifices, fixed orifices evenly distributed is on four angles of control box, the middle part left side of control box is through screw fixedly connected with switching power supply, screw fixedly connected with motor is passed through on the middle part right side of control box, the one end that is connected with the transmission shaft is rotated on the right side of motor, the other end of transmission shaft is connected with the gear train, the bearing has been cup jointed on the right side of gear train, the joint has rotating barriers on the bearing, rotating barriers's middle part has met lock nut soon. The utility model discloses, compact structure can convenient