Trigger packaging bottle with sealed structure

A trigger packaging bottle with a sealing structure, comprising a bottle body,

• wherein a movable sealing element is slidably provided at a bottom of the bottle body, a bottle top fastener is clamped at a top opening of the bottle body, an air pressure balance hole is provided at the bottom of the bottle body, a flow channel hole is provided at a bottom of the bottle top fastener, an upside-down bowl shaped elastic component is provided in an inner cavity of the bottle top fastener, a contact cylinder is coaxially provided in an inner cavity of the upside-down bowl shaped elastic component, and a top thread of the bottle top fastener is connected to a pressing head;
• a top of the pressing head is rotatably connected to a trigger-function component, and a pressing cylinder is provided at a bottom of the inner cavity of the pressing head;
• a bottom of the pressing cylinder is inserted into and communicated with the contact cylinder.