Cooling water pump provided with symmetrical semicircular inclined-plane water suction chambers

Abstract

The invention relates to the improvement of an internal combustion engine cooling water pump and discloses a cooling water pump provided with symmetrical semicircular inclined-plane water suction chambers. The cooling water pump is provided with a pump shell. The pump shell is provided with a bearing position, a water sealing position, the water suction chambers, a water compression chamber and machine installation holes. An inner integral ball bearing is installed in the bearing position of the pump shell. A driving belt pulley is installed in the right end journal of the inner integral ball bearing. A water sealer is installed in the middle portion of the left side journal of the inner integral ball bearing and the water sealing position of the pump shell. A vane wheel is installed in the left end journal portion of the inner integral ball bearing. A sealing gasket and an end cap are installed on the left side of the pump shell. The cooling water pump is characterized in that the pump shell is provided with the two symmetrical semicircular inclined-plane water suction chambers distributed along a water inlet central line; the angle alpha of the inclined plane is 10-15 degrees; a triangular wedge-shaped diffluent block is fixedly installed on one side, close to the water sealing position, in a water inlet pipe; a baffle is fixedly installed on the other axial symmetrical side of the triangular wedge-shaped diffluent block. Compared with the existing internal combustion engine cooling water pump, the cooling water pump provided with the symmetrical semicircular inclined-plane water suction chambers has the characteristics of being low in noise, high in water pump efficiency, long in service life and the like.

Description

technical field [0001] The invention relates to an improvement of a cooling water pump for an internal combustion engine, which is a cooling water pump for a symmetrical semi-annular inclined water suction chamber. Background technique [0002] The water suction chamber of the existing internal combustion engine cooling water pump mainly adopts an annular structure, and the annular water suction chamber is filled with equal cross-section water, and the water suction chamber has no baffle plate. The existing problems of the internal combustion engine cooling water pump are: ①. The water velocity field is uneven and reversed, which is prone to hydraulic loss and the noise of the cooling water pump; ②. The shaft diameter and water seal of the shaft-connected bearing in the annular water absorption chamber are directly facing the water inlet of the water absorption chamber, and the water inlet flow of the pump impacts the For the water seal spring, seal ring and bellows on the...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of high noise, low working efficiency and low service life of water seal impact wear in the existing internal combustion engine cooling water pump, and provide a A Symmetrical Semi-Annular Inclined Suction Chamber Cooling Water Pump

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