The utility model relates to the field of
heat supply pipe network leak protection device, especially supply heat and heat with
heat supply pipe network leak protection device. A kind of
heat supply pipe network leak protection device for heating and heating, including fixed pipe, vice sleeve pipe, connecting pipe, rotating rod, guide rod and clamping block, fixed pipe is away from center end and is uniformly connected with vice sleeve pipe, two vice sleeve pipe insides are uniformly connected with connecting pipe, two connecting pipes are fixedly connected with fixed pipe, two connecting pipes are away from center end and are rotatably connected with rotating rod on two sides, four rotating rods are away from center end and are slidably connected with guide rod, four guide rods are close to center end and are fixedly connected with clamping block.The utility model is through the cooperation of fixed pipe, vice sleeve pipe, connecting pipe, prevents heat supply pipe network leakage, then through the cooperation of clamping block, connecting block and screw rod, it is fixed, finally through the cooperation of fixed round plate, plugging block and spring, effectively control the air pressure in pipeline, prevent pipeline from leaking due to excessive pressure.