Gear measuring tool
The utility model relates to a gear measuring tool, which comprises a main body, a lifting module and a light ray module, the light ray module is arranged in the main body, the light ray module comprises a light emitting part and a light sensing part, the light emitting part and the light sensing pa...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a gear measuring tool, which comprises a main body, a lifting module and a light ray module, the light ray module is arranged in the main body, the light ray module comprises a light emitting part and a light sensing part, the light emitting part and the light sensing part are oppositely arranged, the light sensing part is connected with a control module, and the lifting module comprises a base, a rod body, a pressing plate and a driving part. The pressing plate and the base are arranged at the two ends of the rod body respectively, the base is located between the light-emitting part and the light-sensing part, the pressing plate is located above the through hole of the main body, the driving part is connected with the rod body, when the lifting module is at the initial position, the base is located above the light-emitting area of the light-emitting part, and a preset distance is formed between the pressing plate and the through hole. According to the gear measuring tool provided |
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