| 摘要 |
A diaphragm holder for pressure regulator of air tank used in diving includes a diaphragm seat formed on the pressure regulator for holding a rubber diaphragm therein, a cover for closing onto a top of the diaphragm seat, and a soft push member integrally formed on the cover. The diaphragm seat is provided on an outer wall surface with spaced raised rails, and the cover is provided on an inner wall surface with L-shaped grooves corresponding to the raised rails on the diaphragm seat. Each of the L-shaped grooves includes communicable wide and narrow groove portions. By closing the cover to the diaphragm seat with the wide groove portions aligned with the raised rails and turning the cover, the rails are moved into the narrow groove portions to lock the cover to the diaphragm seat with the soft push member correctly located at an outer side of the rubber diaphragm.
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