Water bath kettle with clamping device

The invention discloses a water bath kettle with a clamping device. The water bath kettle comprises a tank body, a water channel and a control cabinet, wherein an air pump is arranged in the control cabinet and is connected with a gas piping, and the gas piping penetrates in from the top of the water channel and out from the bottom of the water channel; a storage plate horizontally arranged is arranged in the water channel, a plurality of clamping devices are arranged on the storage plate, each clamping device comprises a containing hole formed in the storage plate, a plurality of elastic elements are arranged on the containing hole, all the elastic elements are connected with clamping assemblies, and the adjacent clamping assemblies can be matched with each other and connected. Different shapes of containers in the water channel can be stabilized, an automatic water supply device is arranged, the tank body is heat-insulating and energy-saving, and the water bath kettle has the advantages of being short in he