Sealing plug of toilet tank

Abstract

A sealing plug of a toilet tank, which includes a cover and an installation seat, wherein two corresponding shaft columns are set on a top of the cover, two corresponding support arms are set on the installation seat, two shaft holes are respectively set on a front end of the supporting arms, the shaft columns are inserted into the shaft holes, a notch is set on a rear end of the supporting arms, the notch is provided to to set on a positioning column of a flush pipe. By the composition, a sealing plug structure is provided for fine-tuning a merged angle automatically, to thereby being covered on the drain opening with different tilt angle.

1 - 4 . (canceled) 
     
     
         5 . A sealing plug of a toilet tank for use with a toilet tank level structure, the sealing plug comprising:
 a cover having two shaft columns located on a top thereof;   an installation seat having two supporting arms, each supporting arm of the two supporting arms has a shaft hole located on a front end of the supporting arm and a notch located on a rear end of the supporting arm, one shaft column of the two shaft columns is inserted into the shaft hole of a corresponding supporting arm of the two supporting arms, the notch of each said supporting arm of the two supporting arms is pivotally connected to a positioning column of a flush pipe of the toilet tank level structure;   wherein the cover is pivotally connected to the installation seat and the installation seat is pivotally connected to the positioning column of the flush pipe allowing the sealing plug to adjust and seal a drain opening of the toilet tank level structure having a tilt angle within a predetermined range of tilt angles.   
     
     
         6 . The sealing plug of the toilet tank as claimed in  claim 5 , wherein the cover includes a holder, a soft plate body and a hemispherical shell, the soft plate body is located between the holder and the hemispherical shell, the holder is located on the top of the cover, a through hole is located on a rear end of the holder for connecting the holder to an end of a chain, the two shaft columns extending outwardly from opposing sides of the holder, the soft plate body fixedly installed between the holder and the hemispherical shell is provided to cover the drain opening of the toilet tank level structure, the hemispherical shell is installed on a bottom side of the cover. 
     
     
         7 . The sealing plug of the toilet tank as claimed in  claim 5 , wherein each said supporting arm of the two supporting arms includes an inner lower slot located on an inner side of the front end the supporting arm and communicating with a bottom of the supporting arm and an outer upper slot located on an outer side of the front end the supporting arm and communicating with a top of the supporting arm, and the shaft hole of the corresponding supporting arm of the two supporting arms communicating with the inner lower slot and the outer upper slot. 
     
     
         8 . The sealing plug of the toilet tank as claimed in  claim 5 , wherein a clip groove is located on the rear end of each said supporting arm of the two supporting arms, the notch is located on a lower side of the clip groove to form two slip side arms. 
     
     
         9 . The sealing plug of the toilet tank as claimed in  claim 8 , wherein the two slip side arms protrude downwardly from a bottom of the rear end of each said supporting arm of the two supporting arms and the clip groove communicates with a top of the rear end of each said supporting arm of the two supporting arms. 
     
     
         10 . The sealing plug of the toilet tank as claimed in  claim 5 , wherein the two supporting arms of the installation seat are fixed together and are pivotally connected to the cover.