Check vacuum breaking device for a tap

A check vacuum breaking device for a tap comprises:

• a locking member;
• a fitting member, wherein the locking member is screwed into a chamber of a tap, wherein the chamber includes an inlet and an outlet, wherein the locking member includes a cover member secured on a top end thereof and having a plurality of air bores disposed around a rim of the cover member, with the locking member having a shaft extending downward from a center of a bottom surface of the cover member, wherein the fitting member is assembled to the chamber of the tap and includes a hollow peg extending upward from a central portion thereof and having a closed bottom to be fitted to the shaft of the locking member, wherein the fitting member includes a stepped recess formed on an upper end thereof and an annular anti-leak loop fitted to the stepped recess, wherein the fitting member is formed in a hat shape having an annular lower end, wherein the fitting member is formed of plastic material;
• an annular loading member fitted to the annular lower end of the fitting member;
• and
• an annular stopping pad covering the annular loading member, with the annular loading member being intermediate the annular lower end and the annular stopping pad.