Fore-laying waterway switching device and water purifier with fore-laying waterway switching device
A technology for waterway switching and position switching, which is applied in water/sewage treatment, water/sludge/sewage treatment, permeation/dialysis water/sewage treatment, etc., and can solve problems such as difficult structural design of water purifiers
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Embodiment 1
[0040] Example 1. A pre-waterway switching device, including setting the rotating shaft body of the rotating disk 1 and the fixed disk 2 having the same equally divided switching position 3 and corresponding switching surface, and the combination of the cavity, the end cover and the seal to form a closed cavity; The closed cavity of the external nozzle and the eccentric external nozzle is also provided with a shaft hole on the upper and lower end faces and a nozzle channel corresponding to the fixed plate; The rotating disc 1 and the fixed disc 2, which are linked with the rotating shaft, are in contact with each other to form a sealed switching interface and are placed in a closed cavity. Position 3, there are three nozzles on the rotating disk 1: the outer nozzle 11 connecting the inner cavity of the closed cavity and the eccentric outer nozzle, the central nozzle 12 and the transition nozzle 13 connected to each other, the outer nozzle 11 and the transition nozzle 13 are ad...
Embodiment 2
[0049] Example 2. A pre-waterway switching device, including a rotating disk 1 and a fixed disk 2 having the same equally divided switching positions 3 and corresponding switching surfaces, a hollow rotating shaft body with a lower port and an upper wall hole, and a large and small cavity structure The cavity, the end cover and the seal are combined to form a closed cavity; the upper end surface and the side wall of the small cavity structure are respectively provided with a shaft hole and a central external nozzle, and the closed cavity corresponding to the large cavity structure is provided with an eccentric external nozzle, and A nozzle channel corresponding to the fixed disk is provided on the lower end surface of the closed cavity; the control end of the hollow rotating shaft protrudes from the upper end surface through the shaft hole and a seal is provided between the two; the rotating disk 1 linked with the rotating shaft body is connected to the fixed disk. The disk 2 ...
Embodiment 3
[0058] Example 3. A pre-waterway switching device, including setting a rotating disk 1 and a fixed disk 22 with the same equally divided switching positions 3 and corresponding switching surfaces, a rotating shaft body, and a closed cavity composed of a cavity, an end cover and a seal; The closed cavity of the central external nozzle and the eccentric external nozzle is also equipped with a shaft hole on the upper and lower end faces and a nozzle channel corresponding to the fixed plate; the control end of the rotating shaft extends out of the upper end surface through the shaft hole and is set Seals; the rotating disc 1 and the fixed disc 2, which are linked with the rotating shaft, contact and cooperate to form a sealed switching interface and are placed in a closed cavity. Switching position 3, there are three nozzles on the rotating disc 1: the outer nozzle 11 connecting the inner cavity of the closed cavity and the eccentric outer nozzle, the central nozzle 12 and the tra...
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