Patent ID: 7862006

Claim:
An air intake valve apparatus for a pneumatic gun, configured in an air-intake port of the pneumatic gun, for controlling air-flowing, comprising: a valve base, configured in the air-intake port of the pneumatic gun, having a chamber, an air-introducing eyelet and an air-exhausting eyelet connecting with the chamber; a stem, configured through the chamber and capable of shifting to an air-blocking position for blocking the air-exhausting eyelet corresponding to the valve base; and a flexible component, configured on the outside of the stem to bias the stem into a closed position where air is not exhausted, wherein the chamber has a first airtight ring and a second airtight ring and the stem further comprises: a first portion casing through the first airtight ring inside; a second portion casing through the second airtight ring; a nick-reducing portion coupled between the first portion and the second portion with different transiting surfaces; and a positioning spring is configured between the first airtight ring and the second airtight ring to bias the first airtight ring and the second airtight ring positioning in the valve base.