Patent ID: 8459304
Filing Date: 2013-06-11
Classification: B05B,E03C,F16K,Y10T

Abstract:
1. An air intake module of a water feeding apparatus, comprising: a body, having a water inlet channel, a water outlet channel, an accommodation portion between the water inlet channel and the water outlet channel, and an air intake hole, wherein the water inlet channel and the water outlet channel run axially; a first plug, positioned within the accommodation portion, with a first plug opening, wherein the first plug opening has a large opening end and a small opening end, and the large opening end connects to the water inlet channel; a second plug, positioned within the accommodation portion, with a second plug opening, a third plug opening, a conical portion, and an air intake chamber, wherein the second plug is adjacent to the first plug, the second plug opening is corresponding to the small opening end of the first plug opening, and the third plug opening is corresponding to the air intake hole, the air intake chamber is connected to a joint between the small opening end and the second opening, and the third plug opening connects to the air intake hole and the air intake chamber; a valve, disposed in the third plug opening, including a first protruding portion and a second protruding portion, wherein the first protruding portion, functioning as a valve plate, is opened when the water feeding apparatus supplies water and, is closed when the air intake hole in a back pressure state; wherein the small opening end has a smallest cross-section comparing to the second opening, the water inlet channel, and the water outlet channel, the accommodating portion has a cone recess, and the second plug has a clamping block corresponding to the cone recess, so that when the second plug is disposed in the accommodating portion, the clamping block is embedded in the cone recess.