Patent ID: 8806668

Claim:
A cleaner structure for a toilet tank, said cleaner structure comprising: a main body comprising a first casing, a floating element, a second casing, a cleaning agent, a plurality of first perforations and a plurality of second perforations, wherein said floating element is disposed within said first casing, said second casing is connected with said first casing for storing said cleaning agent, said first perforations are asymmetrically located at said first casing, and said second perforations are located at said second casing; a forced element, which is an arc-shaped sheet structure; and an elastic element connected with said first casing and said forced element, wherein the relative locations of said main body, said forced element and said elastic element are changed with a water level of a liquid inside said toilet tank, so that said cleaner structure is turned over according to said water level of said liquid inside said toilet tank and said second casing is selectively immersed in said liquid or located over said water level, wherein during said water level of said liquid inside said toilet tank is changed from a low level to a high level, said second casing is at least partially immersed in said liquid, so that said cleaning agent is released to said liquid, wherein said first perforations are asymmetrically located at a first side and a second side of said first casing, said first side and said second side of said first casing are opposed to each other, at least one first perforation at said first side of said first casing is closer to said second casing than any of said first perforations at said second side of said first casing, at least one concave part is located at one side of said floating element, and during said water level of said liquid inside said toilet tank is changed from said low level to said high level, said liquid is introduced into said concave part through said at least one first perforation, so that said cleaner structure is deflected toward said first side and gradually turned over until said second casing is located over said water level.