English learning appliance
The utility model belongs to the teaching aid field, concretely relates to english learning appliance, including support frame, bearing frame and the pivot of base, recess slide, baffle, symmetric distribution, the pivot is passed through the bearing and is installed on the bearing frame, is equippe...
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Format: | Patent |
Sprache: | eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | The utility model belongs to the teaching aid field, concretely relates to english learning appliance, including support frame, bearing frame and the pivot of base, recess slide, baffle, symmetric distribution, the pivot is passed through the bearing and is installed on the bearing frame, is equipped with the rotatory gear units that the equipartition distributes in the pivot, is equipped with the magnetic force strip on the storage rack, the baffle is located the front end of base, is equipped with the frame on the baffle, is equipped with convex lens in the frame, rotatory gear units includes connection pad, U type annular and ring gear, and the connection pad is equipped with the hoop be fixed in the pivot through the axle sleeve on the connection pad circumference, and U type annular is equipped with the ball in the U type annular on being fixed in the hoop, and the ball separates through the baffle, and the ring gear side is equipped with the friction disk, and the friction disk below is equipped with the arc friction disc, ring gear and rack toothing, the slide strip of rack both sides is located the recess of recess slide, is equipped with 26 english letters on the rack. The utility model has the advantages of simple structure, reasonable in design, convenient to use, low cost is interesting strong. |
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