Oral rinse capsule and water flosser

A water flosser, comprising:

• a shell, wherein a water storage chamber and a liquid outlet communicated to the water storage chamber are provided inside the shell, and the liquid outlet is arranged at a bottom of the water storage chamber;
• a capsule accommodating chamber is arranged at a bottom of the shell;
• and
• an oral rinse capsule, wherein an oral rinse accommodating chamber is provided in the oral rinse capsule;
• the oral rinse capsule is detachably inserted into the capsule accommodating chamber;
• the oral rinse capsule comprises a capsule shell assembly, a piston assembly, and a connecting shell;
• an oral rinse accommodating chamber is arranged in the capsule shell assembly;
• the capsule shell assembly is further provided with a piston chamber;
• the piston chamber is communicated to the oral rinse accommodating chamber and is configured to be communicated to the liquid outlet of the water flosser;
• the piston assembly is slidably arranged in the piston chamber;
• the connecting shell is provided with a sliding chamber;
• the capsule shell assembly is slidably arranged in the sliding chamber;
• and when the capsule shell assembly slides inwards along the sliding chamber under the action of an external force, the piston assembly slides into the piston chamber to spray out the oral rinse in the piston chamber along the liquid outlet of the water flosser.