Fixing apparatus for installing pressure-type airbag sensor

A fixing device for installing a pressure-type airbag sensor, the fixing device comprising:

• a holder having a disc shape;
• a cover coupled to the holder and having a sensor unit disposed at an upper end thereof;
• a connector housing disposed at a lower end of the cover,
• wherein the cover includes a cover body having a disc shape,
• reverse rotation prevention protrusions protruding outward are formed at intervals at a plurality of positions on an outer circumference of the cover body,
• the reverse rotation prevention protrusions are formed in a quadrangular shape,
• rotation guide protrusions protrude from the plurality of positions of the cover body, the rotation guide protrusions are formed in a quadrangular shape, and corners thereof are formed in a predetermined curvature, and
• the rotation guide protrusions are formed to correspond to the number of rotation locking parts formed on an outer wall of the holder.