Two-stage drainage device for toilet drain valve

摘要

1. the application range of the design is shown in the field of technology;on both sides of the drainage device.;2. the invention is to resolve the technical issues.;the opening and closing valve of the rise, many power requirement and noise occurrence and the change of the switching period to limit the height of the structure, is a complicated and fragile in order to solve the problem.;3. the solution method of it;the opening and closing valve (70) in the free space (75) of the lift and the opening and closing of the valve (60) of the hole (64) so as to form a top surface (74) and the filler; the lifting table (63) from the side of an insertion guide (73) to be assembled. on the characteristics of them as is .;4. the main use of;on both sides of the water supply valve 2 for the gathering head.