The invention provides a self-cleaning constant temperature
bathtub, which comprises a
bathtub cylinder body, a
bathtub deepening part, a water pump, a pre-filter, a large-flow water purifier, an instant electric
water heater, and a constant temperature controller. One end of the bathtub cylinder body has a bathtub deepening The part is used for the space where the crus is bent and placed when the
human body is
lying on its back, which can shorten the length of the bathtub cylinder body and reduce the depth of other parts of the bathtub cylinder body, realize
water saving and reduce the space for standing in the bathtub, which is convenient for the
human body to sit, stand or lie on its back when
bathing , when the
human body is
lying on its back, it can alleviate and alleviate the symptoms of patients with cervical and
lumbar spondylosis; when the
water temperature is lower than the set temperature, the
thermostat controller controls the water pump to work, and the hot water for
bathing flows into the water pump from the circulating water outlet of the cylinder body, and the water pump is heated. The compressed bath hot water is filtered, purified and heated to achieve the purpose of
filtration, purification and constant temperature. The present invention uses constant temperature
bathing suitable for various groups of people, which is convenient for popularization and use.