Abstract: Provided is a floating assembly. The floating assembly of the present invention comprises a plurality of containers having buoyancy by the air which fills the internal spaces of the containers by means of injection ports formed in one end of each container, an injection port lid which has a check valve for supplying air in one direction into the inside of the container, wherein the check valve arranged at the bottom surface of a lid member is coupled to the injection port, and which seals the injection port, and a container fixing unit having a plurality of fixing holes for the insertion and fixation of the containers, wherein the container fixing unit fixes the plurality of containers arranged in the vicinity of each other.

Abstract: The present invention discloses a structure for connecting a dust collecting hose of a central vacuum cleaning system, which is capable of connecting a dust collecting hose and a collecting pipe, without opening a closed plate by hand. The structure for connecting a dust collecting hose of a central vacuum cleaning system has a base plate. The base plate comprises a dust collecting pipe and a closed pipe. The dust collecting pipe is connected to a vacuum cleaning system. The closed plate is connected to one end of the dust collecting pipe at its rear end. An installation groove pivotally is formed at the front surface of the closed plate. The closed plate is rotationally installation at the installed in the base plate disposed groove in order to open the dust collecting pipe. A connecting plate is connected to a dust collecting hose at its rear end.

Abstract: The present invention discloses a structure for connecting a dust collecting hose of a cental vacuum cleaning system, which is capable of connecting a dust collecting hose and a collecting pipe, without opening a closed plate by hand. The structure for connecting a dust collecting hose of a central vacuum cleaning system has a base plate. The base plate comprises a dust collecting pipe and a closed pipe. The dust collecting pipe is connected to a vacuum cleaning system. The closed plate is connected to one end of the dust collecting pipe at its rear end. An installation groove pivotally is formed at the front surface of the closed plate. The closed plate is rotationally installation at the installed in the base plate disposed groove in order to open the dust collecting pipe. A connecting plate is connected to a dust collecting hose at its rear end.

Abstract: A central vacuum cleaning system has a tube having a nozzle at an inlet of the tube for sucking air containing dust, a filter carrier connected with an outlet of the tube by an inlet of the filter carrier for filtering the sucked air, an intake hose connecting with an outlet of the filter carrier by an inlet of the intake hose for serving as a passage of the filtered air, an air intake box installed at a place to be cleaned and an outlet of the intake hose detachably connected with the air intake box, and a machine unit having a motor for forcedly sucking air through the air intake box. The inet of the intake hose is swivelly connected with the filter carrier.

Abstract: Disclosed is a water supplying and draining apparatus for preventing water leakage. A feed pipe supplies water, which is introduced from an outside water source to the toilet bowl. A reservoir tank receives the washing water, the reservoir being made of an extendable and contractible material, the reservoir having a plurality of branch pipes. A valve opens an opening or shuts the branch pipes in order to provide the water, which is supplied from the outside water source through the feed pipe, to the branch pipe. An expandable protecting cover attaches to an outer surface of the reservoir tank, wherein the other ends of the branch pipes fluidly connects with the valve which is arranged at positions outside of the reservoir tank. One end of the feed pipe fluidly connects with the toilet bowl and the other end of the feed pipe communicates with the valve. One end of the exhaust pipe fluidly connects with the valve and the other end of the exhaust pipe fluidly connects with the toilet stool.