Device for adjusting back flushing time of filter

[0019] Embodiment 1: as figure 1 As shown, a device for adjusting the backwashing time of the filter includes a siphon breaking tube 2 and a siphon breaking bucket 3. The siphon breaking tube 2 is spliced ​​by a section of hard tube and a section of hose, and one end of the siphon breaking tube is connected to the siphon device 1 Connected, the other end is submerged in the siphon breaking bucket 3, fixed on the circular pull 7 in the siphon breaking bucket with a clamp 8, there are two inverted U-shaped siphons 4 in the siphon breaking bucket 3, and one end of the U-shaped siphon 4 As for being placed in the siphon destroying bucket, one end is placed outside the siphon destroying bucket. The siphon breaking bucket 3 is placed in the flushing water tank 5, and the adjusting rod 6 with adjustment and locking functions is fixedly connected to the siphon breaking bucket. The convex groove on the top of the flushing water tank has a groove that matches the convex groove on the adju

[0021] Embodiment 2: With reference to Embodiment 1, the siphon breaking pipes 2 are all hoses.

[0022] Embodiment 3: The connection between the adjustment rod and the top of the flushing water tank is that the adjustment rod is provided with an external thread, and the top of the flushing water tank is provided with an internal thread that cooperates with the external thread on the adjustment rod.