Abstract: An expansion tank control device and a water heater and expansion tank including the expansion tank control device. The device may include a water flow sensor arranged in a water inlet waterway of a water heater to detect water flow in the water inlet waterway. The device can further include a controller outputting a driving electric signal after receiving a first electric signal output by the water flow sensor, and a reset electric signal after receiving a second electric signal output by the water flow sensor. The expansion tank can include an electric driving part arranged on a shell of the expansion tank, and a push plate on a driving end of the part, a controlled end of the electric driving part driving the push plate to move toward the expansion tank after receiving the driving electric signal or away from the expansion tank after receiving the reset electric signal.

Abstract: A toilet cover plate includes a seat ring including a seat ring hole disposed at a middle portion of the seat ring and includes a seat ring sealing element disposed at a bottom portion of the seat ring. The seat ring sealing element includes a first sealing strip configured to seal a toilet body of a toilet. The toilet cover plate also includes a seat cover, including a seat cover sealing ring disposed at a bottom portion of the seat cover and configured to seal the seat ring. When the seat ring is closed to cover the toilet body, the first sealing strip is contacted with the toilet body. When the seat cover is closed to cover the seat ring, the seat cover sealing ring is contacted with the seat ring.

Abstract: The present disclosure discloses a bidet, comprising: a seat ring comprising a rear portion; an accommodating tank disposed at the rear portion of the seat ring and comprising a front side tank wall, wherein at least one tank wall through hole is disposed on the front side tank wall of the accommodating tank; a liquid reservoir configured to store disinfectant and disposed in the accommodating tank; and at least one atomizing nozzle disposed in the accommodating tank and comprising a liquid inlet end communicated with the liquid reservoir and a liquid outlet end communicated with the at least one tank wall through hole. The present disclosure also discloses a toilet cover plate comprising a seat cover and the bidet and discloses an intelligent toilet comprising a controller; a toilet body; and the toilet cover plate.

Abstract: A pneumatic valve control device includes an air cylinder. The air cylinder includes a first piston; an air outlet; and a locking and releasing mechanism configured to lock and release the first piston when the first piston is pushed up. The device also includes a hydraulic cylinder. The hydraulic cylinder includes a second piston; an air vent disposed on a first side of the second piston; and a liquid inlet and a liquid outlet disposed on a second side of the second piston. The device also includes a partition disposed between the hydraulic cylinder and the air cylinder; a partition channel disposed on the partition; a piston rod connected to the second piston and configured to pass through the partition channel; and a tappet valve connected to the piston rod and configured to leave the partition channel in response to an upward movement of the piston rod.

Abstract: The present application discloses a drain valve, comprising a valve body, a valve seat, and an overflow pipe. The valve seat includes a drainage channel. The overflow pipe includes a blocking element and a flow rate regulator. When the overflow pipe is in a raised state, the blocking element leaves a channel water inlet, the flow rate regulator is partially or completely located above the channel water inlet, and a water flow channel is formed between the flow rate regulator and the channel water inlet. An amount of water entering the drainage channel from the channel water inlet in unit time can be defined by the flow rate regulator, and thus a drainage flow rate can be controlled. If a user needs to change the drainage flow rate, the user only replaces different types of flow rate regulators, without replacing the whole drain valve to save costs.

Abstract: A bathtub comprises a bathtub body, a water pump mounted on an outer side of a bathtub body side plate of the bathtub body, and a bubble water generating device mounted on the bathtub body side plate. The bathtub body side plate is provided with a side plate water outlet hole. A first water pipe is connected between the side plate water outlet hole and a water inlet of the water pump. A second water pipe is connected between a water outlet of the water pump and the bubble water generating device. A device water inlet in communication with the mixing flow channel is provided at one end of the device main body. A radius of the device water inlet is greater than a radius of the mixing flow channel.

Abstract: The present disclosure provides a system for recovering and reusing graywater generated from at least one graywater source in a building. The system includes a controller configured to control recovery and reuse of the graywater; a graywater recovery device communicably coupled to the controller and configured to recover the graywater from the graywater source of the building; and a graywater distributor communicably coupled to the controller, connected to the graywater recovery device, and configured to distribute the recovered graywater to at least one target position in the building for reuse, wherein the controller controls the graywater recovery device to deliver the graywater to the graywater distributor according to a control signal sent by a user, and the controller controls the graywater distributor to deliver the graywater to a target position designated by the user for reuse according to a control signal sent by the user.

Abstract: A massage chair for bathing includes a chair seat, a seat back, and a massage device. The massage device is positioned on at least one of the chair seat and the seat back, where the seat back and the chair seat are connected using a locking unit.

Abstract: The present disclosure provides a connecting structure, a nozzle assembly, a nozzle bracket and a urinal. The connecting structure includes: a urinal bowl, wherein the urinal bowl includes a basin surface for receiving urine, a middle upper portion of the urinal bowl comprises an accommodating space, and the nozzle assembly is disposed in the accommodating space; the nozzle bracket is disposed in the accommodating space; the nozzle bracket is movably connected with the nozzle assembly; and the nozzle bracket has a locking structure. The connecting structure according to the present disclosure enables the nozzle assembly of the urinal to be replaced and maintained conveniently and quickly.

Abstract: The present disclosure provides a pushing force converting device including a cylinder barrel. The cylinder barrel includes an air cavity; a mounting cavity; and an air cavity vent in communication with the air cavity. The pushing force converting device also includes a piston configured to slide back and forth in the cylinder barrel and slidably disposed in the mounting cavity; a transmission bar connected with the piston and configured to drive the piston to move toward the air cavity; a restoring member disposed in the cylinder barrel and configured to drive the piston or the transmission bar to be restored to a respective initial position; and a sealing ring disposed on the piston and configured to seal the air cavity. The pushing force converting device disclosed by the present disclosure can convert mechanical pushing force into air pressure pushing force.

Abstract: A pneumatic valve control device includes an air cylinder. The air cylinder includes a first piston; an air outlet; and a locking and releasing mechanism configured to lock and release the first piston when the first piston is pushed up. The device also includes a hydraulic cylinder. The hydraulic cylinder includes a second piston; an air vent disposed on a first side of the second piston; and a liquid inlet and a liquid outlet disposed on a second side of the second piston. The device also includes a partition disposed between the hydraulic cylinder and the air cylinder; a partition channel disposed on the partition; a piston rod connected to the second piston and configured to pass through the partition channel; and a tappet valve connected to the piston rod and configured to leave the partition channel in response to an upward movement of the piston rod.

Abstract: The present disclosure provides a split-type automatic lifting bracket device and a sanitary product. The split-type automatic lifting bracket device comprises an upper bracket assembly and a lower bracket assembly, wherein the upper bracket assembly is used for bearing a water receiver or a waterway control valve; and the lower bracket assembly is used for bearing or supporting and driving a sanitary product to rise and descend, and comprises a self-supporting leg assembly, an auxiliary standing device, an automatic lifting control device, a lifting bracket, a push-pull power device, a rolling guide device, and the sanitary product. The lifting structure of the present application can rise and descend automatically without an additional force to assist in height adjustment. The water receiver and other structures are not provided on the lifting bracket, so that a weight for the lifting structure to rise is reduced.

Abstract: A handle structure includes a first handle body, a second handle body, and a transparent plate. The first handle body includes a first handle portion and a first connecting portion. The second handle body includes a second handle portion and a second connecting portion. The first handle body and the second handle body are hollow. The first connecting portion is detachably connected with the second connecting portion when the first handle body and the second handle body are in an installed position. The transparent plate is within and sealingly connected with the first connecting portion and the second connecting portion when the first handle body and the second handle body are in the installed position.

Abstract: A bathtub system includes a bathtub body and a bath plate. The bath tub body defines a bathing volume. The bath plate is configured to detachably connect with the bathtub body within the bathing volume. The bath plate includes a bath plate body and telescopic pieces arranged on two sides of the bath plate body. The telescopic pieces are fixedly connected with the bath plate body. A wall of the bathtub body includes a wall protrusion configured to retain the telescopic piece.

Abstract: A water supply mechanism for the bowl rim of the toilet is configured to supply water to a bowl of a toilet body of the toilet for flushing, including: an inlet valve assembly communicated with a water source; a water-feeding power unit including a water inlet connected with the inlet valve assembly and a water outlet communicated with the water inlet of the water-feeding power unit; and an outlet pipe connected with the water outlet of the water-feeding power unit and communicated with a water channel at the bowl rim of the toilet body. Compared with the prior art, the toilet body is flushed under sufficient water pressure, so that the toilet body can be made cleaner.