Headset wire winding and unwinding device for English teaching

• Main Authors: YIN MEINA, YING SHICHAO, TANG TIANTIAN, FU YUEMEI, LUAN TINGYU, CHEN XIAOGUANG
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2020
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

The utility model discloses a headset wire take-up and pay-off device for English teaching. Mounting base, two groups of mounting blocks are fixedly mounted on two sides of the mounting base; cover plates are rotationally mounted on the two groups of mounting blocks; a first through hole is formed in the back side of the mounting base; a second through hole is formed in the right side of the mounting base; a fixing block is fixedly installed on the left side of the bottom of the installation base, a limiting threaded handle is installed on the right side of the fixing block through threads, abearing is fixedly installed on the back side of the installation base, a rotating shaft penetrates through the installation base and is fixedly installed on an inner ring of the bearing, and a winding reel is fixedly installed in the middle of the rotating shaft and transversely provided with multiple grooves. The winding reel body is fixedly installed in the middle of the rotating shaft, the grooves are transversely for