Patent ID: 6834499
Filing Date: 2004-12-28
Classification: B24B

Abstract:
Flow way structure of pneumatic tool, comprising:a main body having an internal air chamber; a connector rotatably disposed on the main body; an air inlet, a water inlet and at least one air outlet concentrically arranged on the connector, inner end of each the air outlet communicating with the air chamber; a pneumatic cylinder having an internal rotor, an air intake being disposed on the cylinder through which the air flows into the cylinder, several air exhaustion ports being disposed on a circumference of the cylinder to communicate with the interior of the cylinder and the air chamber; an air inlet switch having a valve and a switch connected with each other, the valve being disposed in the main body, the switch being positioned on outer side of the main body for a user to turn; an air way disposed in the main body and having a rear section and a front section, the rear section being connected with the air inlet and the valve of the air inlet switch, the front section being connected with the valve and the air intake of the cylinder; a water inlet switch having a valve and a switch connected with each other, the valve being disposed in the main body, the switch being positioned on outer side of the main body for a user to turn; at least one water outlet tube connected with the main body; a water way including a front section and a rear section, the rear section being connected with the water inlet and the valve of the water inlet switch, the front section being connected with the valve and the water outlet tube; the end of the air way connecting with the air inlet and the end of the water way connecting with the water inlet being concentrically disposed, whereby when the connector rotates on the main body, the air inlet and the water inlet respectively still keep communicating with the air way and the water way; and a transmission mechanism disposed in the main body and driven by the rotor of the cylinder.