| 摘要 |
A medical lock is provided to a hyperbaric chamber for objects to be passed through, which includes a tube secured to a shell of a hyperbaric chamber, an inner plate for sealing an inner end of the tube, a circular outer plate for sealing an outer end of the tube, and a security assembly, which has a locking rod movable in a direction parallel to an axis of the tube; the locking rod will fit into a cavity of the outer plate when the inner plate is opened, and will be forced to retreat from the cavity when the inner plate is moved to the closed position; therefore, the outer plate is prevented from turning to an unlocked position by means of the locking rod when the inner plate is in the opened position.
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