A MEGNETICALLY CONTROLLED FOUR-WAY REVERSING VALVE

摘要

A magnetically controlled four-way reversing valve includes a transmission chamber, a high-pressure chamber, an inlet tube, a shared tube, the first exchange tube, the second exchange tube, a transmission mechanism and a reversing device. The transmission mechanism includes a motor, a transmission shaft, a reduction gearbox, and drive pulleys that are coupled with each other by magnetic force. The drive pulleys that are coupled with each other by magnetic force include a motor drive pulley and a reduction gearbox drive pulley. The motor, the transmission shaft and the motor drive pulley are connected in sequence, placed in the transmission chamber and fixed on a base. The reduction gearbox drive pulley, the reduction gearbox and the reversing device are connected in sequence and placed in the high-pressure chamber. The motor drive pulley and the reduction gearbox drive pulley are located respectively outside and inside of the same location of the high-pressure chamber. Compared with the prior art, this magnetically controlled four- way reversing valve has following advantages that good seal, long service lift, easy maintenance and so on.