Teacher-student interactive game device for English teaching
The invention discloses a teacher-student interactive game device for English teaching, which comprises a housing, openings are formed in the two sides of the shell, the shell is fixed on z supportingplate; a first check ring is fixed to one end of the shell, a second check ring is fixed at the othe...
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | The invention discloses a teacher-student interactive game device for English teaching, which comprises a housing, openings are formed in the two sides of the shell, the shell is fixed on z supportingplate; a first check ring is fixed to one end of the shell, a second check ring is fixed at the other end of the shell; first sliding grooves are transversely formed in the ends, close to the first check ring, of the top and the bottom in the shell, second sliding grooves are transversely formed in the ends, close to the second check ring, of the top and the bottom in the shell, a first sliding block is installed in the first sliding groove, a push cylinder is arranged between the first sliding groove and the second sliding groove in the shell, a first spring is connected between the push cylinder and the first sliding block, the two ends of the first spring are fixed to the side face of the first sliding block and the side face of the push cylinder respectively, and the top and the bottom of one end of a cylinde |
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