Abstract: The present invention provides a structure for assembling and disassembling a dirt suction head to/from a filter bag, comprising a first connection piece and a second connection piece; one end of the second connection piece is detachably connected to a connection pipe of the dirt suction head, and the other end of the second connection piece is provided with a holding cavity; one end of the first connection piece is connected to an opening of an end of a filter bag body, and the other end of the first connection piece is assembled into the holding cavity; or a circumferential side edge of the opening of the filter bag body is tightly pressed and fixed between an outer side wall of the first connection piece and an inner side wall of the holding cavity, which has achieved a quick assembling and disassembling and smooth external aesthetics of a connection position.

Abstract: The present disclosure discloses a telescopic aluminum rod comprising at least two nested aluminum tubes and except the innermost aluminum tube, the rear ends of the rest aluminum tubes are respectively connected with a sleeve; each sleeve is internally provided with an accommodating cavity in which a locking device is arranged; the locking device comprises a pressing buckle which is longitudinally movably mounted in the accommodating cavity and the upper end face of the pressing buckle protrudes out of the sleeve through an opening formed on the sleeve, a bent plate of which the rear end abuts against the lower end face of the pressing buckle, and the middle is clamped inside the accommodating cavity.

Abstract: A stretchable scoop net includes a frame, a handle, and a lock sleeve, wherein the annular or encircling frame is provided with a tubular installation part formed with external pin holes and guide cavities; the handle penetrates through the installation part and is able to axially move into the frame along the installation part; and the lock sleeve is arranged in the handle and is provided with elastic lock pins which enter the installation part via the guide cavities when the handle moves out of the frame and stretch into the external pin holes after the handle is rotated.

Abstract: This disclosure discloses an upper end cover applied on a floating medicine dispenser and a floating medicine dispenser which comprises a main body and the upper end cover; the upper end cover comprising a cover body, at least one locking mechanism arranged on the cover body, and the locking mechanism comprises a pressing buckle, a reset component connected to the pressing buckle and a locking plate; the pressing buckle is movably mounted on the cover body through the reset component; one end of the locking plate, the end of which away from the pressing buckle, extends toward the main body of the floating medicine dispenser, and clamps into the main body of the floating medicine dispenser when the reset component is at the reset state so as to lock the upper end cover on the main body of the floating medicine dispenser.

Abstract: The present disclosure discloses a telescopic aluminum rod comprising at least two nested aluminum tubes and except the innermost aluminum tube, the rear ends of the rest aluminum tubes are respectively connected with a sleeve; each sleeve is internally provided with an accommodating cavity in which a locking device is arranged; the locking device comprises a pressing buckle which is longitudinally movably mounted in the accommodating cavity and the upper end face of the pressing buckle protrudes out of the sleeve through an opening formed on the sleeve, a bent plate of which the rear end abuts against the lower end face of the pressing buckle, and the middle is clamped inside the accommodating cavity.

Abstract: Exemplary embodiments of a floating pool dispenser are described. In one embodiment, a floating pool dispenser includes an outer assembly, an inner assembly, an end cover, and a lid. The inner assembly contains chemicals to be dissolved in a pool. The inner assembly moves vertically relative to the outer assembly in response to the continuous dissolving of chemicals.

Abstract: Exemplary embodiments of a floating pool dispenser are described. In one embodiment, a floating pool dispenser includes an outer assembly, an inner assembly, an end cover, and a lid. The inner assembly contains chemicals to be dissolved in a pool. The inner assembly moves vertically relative to the outer assembly in response to the continuous dissolving of chemicals.

Abstract: The present disclosure discloses a pool brush including a brush frame, a handle and a plurality of rows, of bristles. Each row of the plurality of rows of bristles includes a vertical row of bristles and two tilted rows of bristles arranged on the two sides of the vertical row of bristles, and the angle between the axial line of the outermost bristle in the tilted row of bristles and the axial line of each bristle in the vertical row of bristles is no less than 90 degrees.