Water inlet guide vane of water pump

The utility model discloses a water pump water inlet guide vane which comprises an outer ring, a first guide vane disc and a second guide vane disc, the first guide vane disc and the second guide vane disc are arranged on the inner side of the outer ring and used for increasing the water flow speed, a lantern ring is fixedly sleeved on the periphery of the first guide vane disc, an installation disc is fixedly sleeved on the periphery of the second guide vane disc, and an annular groove is formed in the inner periphery of the outer ring. Bolts in threaded connection with the outer ring are arranged at the bottom of the lantern ring and the inner circumference of the mounting disc in a penetrating mode, a first flow guide hole is formed in the first guide vane disc, and a second flow guide hole is formed in the inner circumference of the second guide vane disc. And the cross sections of the first flow guide hole and the second flow guide hole are W-shaped. The water flow direction is convenient to control, lar