Water pump device for electric appliances

Abstract

A water pump device for electric appliances includes a water container, a piston cylinder, and an AC synchronous motor. The piston cylinder includes a piston. The AC synchronous motor drives the piston to reciprocate. The water container supplies water through reciprocation of the piston driven by the AC synchronous motor. The water in the water container enters the piston cylinder for pressurization. The pressurized water enters a heating member of a steam generator to output high temperature and high pressure steam. The water pump device further includes a steam adjustment knob between the clockwise check valve and the piston cylinder. The steam adjustment knob can be turned to drive a cam which is used to change the movement route of the piston, so that the volume of the pressurized water can be adjusted for desired high temperature and high pressure steam.

What is claimed is: 
     
         1 . A water pump device for electric appliances, comprising a water container, a piston cylinder and an AC (alternating current) synchronous motor;
 the water container being used to store water, an inlet pipe connected between the water container and an inlet end of the piston cylinder;   the piston cylinder comprising a piston therein, the piston being driven by the AC synchronous motor, the piston cylinder having an outlet end which is connected with an outlet pipe, another end of the outlet pipe being connected to a heating member of a steam generator;   the AC synchronous motor driving the piston to reciprocate;   thereby, the water pump device driving the AC synchronous motor by alternating current, the water container supplying water by means of reciprocation of the piston which is driven by the AC synchronous motor, the water in the water container passing the inlet pipe and entering the piston cylinder for pressurization, the pressurized water passing the outlet pipe and entering the heating member of the steam generator to output high temperature and high pressure steam.   
     
     
         2 . The water pump device for electric appliances as claimed in  claim 1 , wherein a clockwise check valve is provided between the inlet pipe and the inlet end of the piston cylinder. 
     
     
         3 . The water pump device for electric appliances as claimed in  claim 1 , wherein a counterclockwise check valve is provided between the outlet pipe and the outlet end of the piston cylinder. 
     
     
         4 . The water pump device for electric appliances as claimed in  claim 1 , wherein the AC synchronous motor comprises an eccentric wheel and a link rod, and the link rod is connected with the piston of the piston cylinder. 
     
     
         5 . The water pump device for electric appliances as claimed in  claim 1 , wherein the heating member is disposed in the steam generator and has a steam outlet at an end thereof. 
     
     
         6 . The water pump device for electric appliances as claimed in  claim 1 , wherein the inlet pipe is a silicon tube. 
     
     
         7 . The water pump device for electric appliances as claimed in  claim 1 , wherein the output pipe is a silicon tube. 
     
     
         8 . The water pump device for electric appliances as claimed in  claim 1 , wherein a clockwise check valve is provided between the inlet pipe and the inlet end of the piston cylinder, a steam adjustment knob is provided between the clockwise check valve and the piston cylinder, the steam adjustment knob is adapted to drive a cam, and the cam is driven to confine or release the movement route of the piston so as to adjust the volume of the pressurized water.