Patent ID: 6643864
Filing Date: 2003-11-11
Classification: B05B,E03C,F16K

Abstract:
A switching device for connecting a shower head to a water pipe or hose comprising:a casing which has a flange inside, a thread outside at its bottom end corresponding with that on the shower head to which it is screwed and a thread at its inside top to which a sealing cover with a corresponding thread is screwed; a cylindrical inner pipe which is placed inside the casing and has at least two nozzles on its surface and an outward flange at the top; a rubber packing which is placed in between the outward flange of the inner pipe and the flange of the casing; a cylindrical center pipe which can be inserted into the inner pipe and moved up and down and has at least two nozzles on its surface corresponding with those on the inner pipe and for each nozzle there are two grooves on the surface of the center pipe, one vertically above the nozzle and one vertically below the nozzle, and it has a thread inside at its upper end corresponding with that on the water hose or pipe to which it is screwed and it has at least two vertical guiding troughs outside at its upper end; at least two gaskets which are placed in the grooves on the surface of the center pipe; a fixing ring which is placed on top of the outward flange of the inner pipe and has protrusions in position corresponding to the vertical guiding troughs of the center pipe; at least two cylindrical pieces which penetrate through the fixing ring and the outward flange of the inner pipe and insert into the flange of the casing; and a sealing cover which has a thread corresponding to the thread at the inside top of the casing to which it is screwed and is fixed in between the upper part of the center pipe and the upper end of the casing pressing downwards against the top of the fixing ring.