Double-hole pencil sharpener based on delayed automatic stop structure
The utility model discloses a double-hole pencil sharpener based on a time-delay automatic stop structure, which comprises the time-delay automatic stop structure and a knife rest, and the knife rest is contacted with the time-delay automatic stop structure. The delay automatic stop structure compri...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a double-hole pencil sharpener based on a time-delay automatic stop structure, which comprises the time-delay automatic stop structure and a knife rest, and the knife rest is contacted with the time-delay automatic stop structure. The delay automatic stop structure comprises a limiting plate, and a limiting wheel making contact with the tool rest is arranged on the limiting plate. The delay automatic stop structure further comprises a limiting column, and when the tool rest needs to stop moving, the limiting column makes contact with the limiting wheel. Compared with a pencil sharpener which is opened or closed through manual operation in the current market, the pencil sharpener has the advantages that a delay automatic stop structure which is in contact with the knife rest is adopted; the knife rest is in contact with the delay automatic stop structure, when the knife rest needs to stop moving, the limiting column is in contact with the limiting wheel to stop the limiting wheel, a |
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