Quick-release bracket for fire extinguisher of passenger car

The utility model discloses a passenger car fire extinguisher quick release support which comprises a mounting plate body, a fixing base is arranged in the middle of the upper surface of the mounting plate body, an adjusting assembly is arranged on one side of the upper surface of the mounting plate body, and the adjusting assembly comprises a first fixing support. A semicircular clamping block is rotatably mounted on one side of the upper end of the first fixing support, a clamping assembly is arranged in the middle of the mounting plate body and comprises a positive and negative rotation lead screw, second fixing supports are slidably mounted at the two ends of the middle of the positive and negative rotation lead screw correspondingly, and rectangular positioning blocks are arranged on the two sides of the lower end of the mounting plate body correspondingly. The fire extinguisher fixing device has the advantages that a fire extinguisher can be effectively clamped and fixed when the whole device is used, m