Safety device booster type inflator pump
The invention discloses a safety device booster type inflator pump. The safety device booster type inflator pump comprises first rotating cavities formed in a wall in a left-right position symmetry manner, the inner wall of each first rotating cavity is connected with a first connecting groove penet...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a safety device booster type inflator pump. The safety device booster type inflator pump comprises first rotating cavities formed in a wall in a left-right position symmetry manner, the inner wall of each first rotating cavity is connected with a first connecting groove penetrating through the wall, and a first rotating shaft is rotatably connected between the upper and lower walls of each first rotating cavity. The safety device booster type inflator pump is simple in structure and convenient to use and communicates with an emergency stop button of an escalator in theprior art, and when the escalator is stopped after the emergency stop button is pressed, blocking plates are used for blocking passengers and articles possibly rolling down from the escalator at the same time. Meanwhile, the safety device booster type inflator pump is further provided with connecting devices, whether there are passengers on the escalator or not is detected through a sensor to judge whether the blocking pl |
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