Door-opening power generating device
The invention relates to a door-opening power generating device. The door-opening power generating device comprises a door, a door frame, a support, a transmission shaft, a ratchet wheel, at least one first pawl, a gear, an electric generator, a storage battery, a rope and a coil spring; one end of...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a door-opening power generating device. The door-opening power generating device comprises a door, a door frame, a support, a transmission shaft, a ratchet wheel, at least one first pawl, a gear, an electric generator, a storage battery, a rope and a coil spring; one end of each first pawl is connected with the transmission shaft, and the other end of each first pawl is provided with a first plane and a first circular-arc surface; multiple ratchet teeth are arranged on the ratchet wheel along the periphery, each ratchet tooth comprises a ratchet tooth plane and a ratchet tooth circular-arc surface, each ratchet tooth plane is used for being matched with the corresponding first plane in a contact manner, and each ratchet tooth circular-arc surface is used for being matched with the corresponding first circular-arc surface in a contact manner; wheel teeth are arranged on the ratchet wheel along the periphery, the wheel teeth are used for being meshed with the gear, and the gear is fixed |
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