Music education demonstration board
The utility model discloses a music education demonstration board, which belongs to the technical field of music education and comprises supporting columns, a connecting plate is arranged at the tops of the supporting columns, a display screen is arranged between the two supporting columns, limiting...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a music education demonstration board, which belongs to the technical field of music education and comprises supporting columns, a connecting plate is arranged at the tops of the supporting columns, a display screen is arranged between the two supporting columns, limiting blocks are arranged on the supporting columns and located at the bottom of the display screen, a sliding groove is formed in the side wall of one supporting column, and a sliding groove is formed in the side wall of the other supporting column. A sliding groove is formed in the base, a sliding block is arranged in the sliding groove, a first screw rod is arranged on the sliding block, the first screw rod penetrates through the sliding block and the sliding groove to be connected with a connecting block and is connected with a movable plate through the connecting block, and an electronic key is arranged on the movable plate; by arranging the sliding blocks and the sliding grooves, the positions of the sliding block |
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