Water spray speed with spray area adjustable fire -fighting lance

The utility model discloses a fire -fighting lance technical field's a water spray speed with spray area adjustable fire -fighting lance, which comprises a gun body, both ends all are provided with the fixture block about the bottom of the internal chamber of rifle, and are two sets of be provided with between the fixture block and lead stream block, it sets up the inner chamber at the rifle body to lead stream block, lead stream block's inner chamber and seted up the water conservancy diversion hole, the top of leading stream block is provided with slider -crank, the utility model discloses a setting of fixture block, make the fast enough speed of rifle physical stamina and water piping connection, improve operating speed, setting through the water conservancy diversion hole, make the inside of the concentrated entering rifle body of water, increase watered pressure, rotation through the pivot drives slider -crank's rotation, slider -crank's rotation drives moving of gyro wheel in slider -crank's recess, the