Pointer type indicator for micro stepping motor drive
The utility model relates to a pointer type indicator which is driven by a minisize step motor, and an upper flat plate 3 and a lower flat plate 1 are mutually supported through a column 10. A speed reducer 14 is installed between the upper flat plate 3 and the lower flat plate 1. A forward rotation...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model relates to a pointer type indicator which is driven by a minisize step motor, and an upper flat plate 3 and a lower flat plate 1 are mutually supported through a column 10. A speed reducer 14 is installed between the upper flat plate 3 and the lower flat plate 1. A forward rotation minisize step motor 9 and a reversal rotation minisize step motor 8 are installed on the lower side of the lower flat plate 1, and the rotating shafts of the forward and the reversal rotation minisize step motors are respectively and fixedly connected with the speed reducer. A pointer 12 is arranged on the upper flat plate 3 and is fixedly connected with an output shaft 15 of the speed reducer 14. The speed reducer 14 is composed of a combined gear 5, a forward rotation motor gear 2, a reversal rotation motor gear 7 and a central gear 11. The utility model has the advantages of low cost, good reliability and small size. |
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