Supporting-height-adjustable voice playing equipment for English pronunciation practice
The utility model discloses a support height adjustable voice playing device for English pronunciation practice, which comprises a player body and a voice playing port, the voice playing port is arranged at the front end of the player body close to the bottom, and the front end of the voice playing...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The utility model discloses a support height adjustable voice playing device for English pronunciation practice, which comprises a player body and a voice playing port, the voice playing port is arranged at the front end of the player body close to the bottom, and the front end of the voice playing port is provided with a protective structure. The supporting-height-adjustable voice playing equipment for English pronunciation practice is movably connected to the two sides of the interior of the box body through the rotating cylinders, the threaded grooves are formed in the rotating cylinders, the auxiliary gears are fixedly connected to the bottom ends of the exteriors of the rotating cylinders, the rotating disc is rotated to drive the main gear to rotate, and the main gear drives the auxiliary gears on the two sides to rotate in the same direction at the same time; the auxiliary gear drives the rotating drum to rotate in the same direction, the threaded groove in the rotating drum drives the threaded shaft t |
---|