Abstract: A built-in electric air pump for an inflating object includes a pump casing, a switch hand-wheel, a connection pipe, an air passage switching device, an air pump, and an air valve and a power switch. The pump casing includes a box-shaped chamber. The switch hand-wheel is provided at an external lateral side of the panel. The air passage switching device is provided with an internal pipe having a first opening and a second opening respectively arranged at an upper end and a lower end of the internal pipe. The first opening communicates with outside of the inflating object, and the second opening communicates with the air valve. A diaphragm is provided inside the internal pipe. A first venting hole and a second venting hole are respectively provided on internal walls at two sections of the internal pipe above and below the diaphragm. An external sleeve is provided outside the internal pipe. The lower end of the external sleeve is fixedly connected to the pump casing.

Abstract: A pool cleaner including a first filter assembly and a second filter assembly is provided in the present disclosure. The first filter assembly includes a first housing defining a first chamber, where the first housing is provided with a first water inlet and a first water outlet; and a first filter device disposed in the first chamber configured to perform a first filtration to water from the first water inlet. The second filter assembly includes a second housing defining a second chamber provided with a second water inlet, the second water inlet is connected with the first water outlet; and a second filter device disposed in the second chamber configured to perform a second filtration to the first filtered water. The first housing is detachably connected with the second housing. The pool cleaner in the present disclosure has a good filtering effect and is easy to disassemble.

Abstract: A packaging system includes a packaging body defining an internal cavity, an auxiliary body disposed at least partially within the internal cavity, a wheel assembly receiving chamber disposed in the auxiliary body, a support plate joined to a bottom of the packaging body, and a wheel assembly including a wheel housing pivotally mounted to the support plate. A wheel is mounted to the wheel housing, the wheel assembly being selectively disposed in an operational position or a stowed position, wherein the wheel assembly is disposed substantially within the wheel assembly receiving chamber when the wheel assembly is disposed in the stowed position and wherein the wheel assembly is disposed at least partially substantially external to the wheel assembly receiving chamber when the wheel assembly is disposed in the operational position. The packaging system according to the present disclosure can facilitate the transportation without affecting the display, stacking, loading thereof.

Abstract: A sheathed frame includes a support frame comprised of a plurality of interconnected support components, a pool liner comprising a pool bottom and a pool wall connected to an outer edge of the pool bottom and extending upward, an upper edge of said pool wall hanging on said support frame and disposed on an inside of said support frame, and at least one sheath disposed on a junction between at least two of said plurality of interconnected support components. Sheaths are respectively provided at the junction of a horizontal side pipe and a T-shaped pipe joint of the frame pool and the junction of a support pipe and the T-shaped pipe joint.

Abstract: The present disclosure provides a human-powered entertainment device. The entertainment device includes an inflatable base and a paddling component which is connected with the inflatable base, wherein the paddling component is adapted to swing when a force is imposed thereon, so as to perform paddling in water to make the human-powered entertainment device move on water. Accordingly, the entertainment device of the present disclosure can be driven to move and low in cost.

Abstract: A PTC heater having a heat conductor, a first end cover, a second end cover, and a PTC heating element. The heat conductor includes a duct for accommodating a PTC heating element, a first liquid passage channel, and a second liquid passage channel. The first end cover is coupled to one end of the heat conductor and includes a first and a second compartment, a water inlet, and a water outlet. The water inlet is in fluid communication with the first compartment and the first liquid passage channel, and the water outlet is in fluid communication with the second compartment and the second liquid passage channel. The second end cover is coupled to the other end of the heat conductor. The first and second liquid passage channels are in fluid communication with each other via an internal space of the second end cover to form a closed liquid circulation channel.

Abstract: A frame pool having a plurality of vertical support tubes, a plurality of horizontal support tubes, a pool body comprising a pool bottom and a pool wall, and a reinforcing band having a continuous annular shape and provided between the inner side of the vertical support tubes and an outer surface of the pool wall. The reinforcing band entirely or partially covering the perimeter of the pool body and being fitted with the pool wall. A fixing band having a continuous annular shape is provided about an outer surface of the reinforcing band and of the vertical support tubes. At least one fixing device is fixedly coupled to the reinforcing band, wherein the fixing band passes through the fixing device.

Abstract: A pool apparatus configured to carry liquids has a side wall and a bottom surface. The side wall has a plurality of structure drawstrings, an outer side wall, and an inner side wall. Two sides of the structure drawstrings draw respectively the outer side wall and the inner side wall, so as to maintain a predetermined shape of the pool apparatus. The structure drawstrings include a main drawstring portions and at least two branch drawstring portions. The main drawstring portions have a first main string side configured to connect a first branch drawstring side of the at least two branch drawstrings. A second branch string side of the at least two branch drawstrings connects respectively to different positions of the outer side wall and the inner side wall.

Abstract: A pool apparatus has a surrounding side frame, a tarpaulin and a top portion frame. The surrounding side frame provides a closed geometrical shape defined on the ground after the tarpaulin is surrounded with respect to the ground. The tarpaulin may be constituted by various kinds of waterproof materials. The tarpaulin has a bottom portion, a side portion and a top portion. The shape of the bottom of the tarpaulin corresponds to the closed geometrical shape. The side portion of the tarpaulin connects to the bottom portion and surrounding the surrounding side frame. The top portion of the tarpaulin connects to the side portion of the tarpaulin. The thickness of top portion of the tarpaulin is thicker than the thickness of the other portion s of the tarpaulin. The top portion frame clips the top portion to fix the tarpaulin.

Abstract: Disclosed is an swimming training apparatus, comprising a drive mechanism driven with electricity and a pumping execution mechanism, said drive mechanism and said pumping execution mechanism disposed separately and spaced apart, and connected by a connection pipeline or a transmission mechanism. The separation of the drive mechanism and the pumping execution mechanism ensures the separation of water and power in the swimming training apparatus and thus ensures the safe use of the swimming training apparatus.

Abstract: Disclosed is a water flow control device for swimming training that includes a swimming training device and a main water inlet pipe and a main water outlet pipe. The swimming training device includes at least a swimming pump. The main water inlet pipe and the main water outlet pipe are connected with the swimming pump. The water inlet of the main water inlet pipe is communicated with a swimming pool and a water outlet of the main water outlet pipe is connected with a jet nozzle. A filter device includes at least a filter pump, a filter sterilization device. A filter water inlet pipe and a filter water outlet pipe are connected with the filter pump. The filter water inlet pipe is communicated with the swimming pool through the filter sterilization device and the filter water outlet pipe communicated with the main water inlet pipe.

Abstract: The present disclosure provides a children's entertainment device with a water slide, including: a water slide provided with a first chamber and a first valve; and a first water spray pipe connected with the water slide, the first water spray pipe being provided with a plurality of first water spray holes. Accordingly, the water slide, which may be filled with water, applied by the children's entertainment device with a water slide can reduce an impact force imposed to the ground by the user, so that the user can be well protected. The water-filled water slide can avoid direct contact between the user and the ground, so that the user can be protected from being cut by hard objects, such as stones, tree branches, so as to avoid accidental injuries. Further, a combination of water-filled water slide and a pool can provide more entertainments in comparison with existing water slides.

Abstract: A pool apparatus includes a pool body, a water inlet, a water outlet, and an outlet valve. The water inlet is used for carrying water into the pool body. The water outlet is used for draining water out of the pool body. The outlet valve covers the water outlet. The outlet valve has a drainage surface for draining water out of the pool body from the drainage surface with a drainage direction. The outlet valve has a protrusion block protruding with a distance opposite to the drainage direction from the drainage surface to decrease the risk that the user may be sucked on the outlet valve.

Abstract: A tail fin assembly for an inflatable product is provided. The tail fin assembly includes a pedestal coupled to a surface of the inflatable product, and a sliding groove positioned on the pedestal, where the sliding groove includes a pair of protruding locking members formed in one end of the sliding groove. The tail fin also includes a fin having a fin body and a fin base, where the fin body is detachably coupled to the pedestal at the fin base which slidably engages the sliding groove. A retainer is coupled to the fin body near the fin base for locking with the protruding locking members to secure the fin to the pedestal.