Garden irrigation mechanism capable of adjusting spraying range

The garden irrigation mechanism capable of adjusting the spraying range comprises a bottom plate, a water tank is fixed to the top face of the bottom plate, a water pump is fixed to the top face of the water tank, an adjusting bin is fixed to the top face of the water tank, a storage barrel is fixed to the back face of the adjusting bin, and a spraying pipe is connected into the storage barrel in a sliding mode. A plurality of water spraying holes are formed in the bottom face of the spraying pipe, an adjusting mechanism is arranged in the adjusting bin, and a collecting assembly is arranged on the top face of the water tank. When the garden irrigation mechanism capable of adjusting the spraying range is used, the length of the part, extending out of the storage barrel, of the spraying pipe can be adjusted through the adjusting mechanism, so that the spraying irrigation area of the spraying pipe can be adjusted, the problem that water resources are wasted or secondary irrigation is needed can be avoided, and