Self-locking fire extinguisher based on indirect pressing control handle

The invention relates to the technical field of firefighting, and discloses a self-locking fire extinguisher based on an indirect pressing control handle. The self-locking fire extinguisher comprisesa housing, wherein a spraying opening is formed in the housing; a partition plate, a bottom plate, a limiting block, a top block and an upper plate are used in a matched mode; when the upper plate moves downwards, a stop block is driven to move, and finally the fire extinguisher is opened when the stop block is in a clamped connection state; when a pressing clamp is loosened, the stop block is located between the limiting block and the top block, the position of the pressing clamp is fixed, so that the pressing clamp is kept in an open state all the time, the operation is more convenient and labor-saving, and the fire extinguisher is more suitable for being used by all groups of people; and the pressing clamp, a sliding block, a second rotating rod and a rack are used in a matched mode, when the fire extinguisher