Pneumatic stop valve fixing device

The utility model discloses a pneumatic stop valve fixing device, including solid fixed ring and mounting panel, gu fixed ring's lateral surface is fixed in the face of mounting panel, both fixed connection are a whole, on the mounting panel is fixed in the sanitation car, gu fixed ring can overlap outside pneumatic stop valve, gu offer the screw hole on the fixed ring, the bolt is connected withthe screw hole cooperation, and the bolt can be twisted in the screw hole and moved, can push up the fastening and decide pneumatic stop valve when the bolt is inwards tightened, makes to keep simultaneous movement between pneumatic stop valve and the solid fixed ring, and because of solid fixed ring is fixed on the sanitation car by the mounting panel, consequently fixed ring keeps motionless admittedly, plays pneumatic stop valve through solid fixed ring and supports spacing effect, and pneumatic stop valve can not take place to rock when the switch. Bolt fit nut realizes the fastening of stop valve and locking fast