Drain pipe trash holding device based on sponge urbanization

The utility model relates to the technical field of drain pipe trash holding devices, and discloses a drain pipe trash holding device based on sponge urbanization, which comprises a water inlet pipe, the right side of the water inlet pipe is communicated with a filter pipe, the right side of the filter pipe is communicated with a drain pipe, and a filter device is arranged in the filter pipe. A transmission device with one end extending into the filter pipe is arranged on the back face of the filter pipe, the bottom of the filter pipe is communicated with a flow guide pipe, the right side of the flow guide pipe is communicated with a collecting device, and the right side of the collecting device is communicated with a backflow pipe communicated with the drainage pipe. The drainage pipe trash holding device based on sponge urbanization has the advantages of being good in drainage effect and the like, and solves the problems that existing drainage pipe trash holding mostly depends on an intercepting net for int