Automobile water pump water seal cooling mechanism

Abstract

The invention discloses a cooling mechanism for a water pump seal of an automobile. The cooling mechanism comprises a water pump housing and a water seal, wherein the water pump housing is internally provided with an annular boss; the boss is provided with a groove; the groove is internally provided with a plug insertion block; and the plug insertion block is internally provided with a guide tube. Further, the groove, both the plug insertion block and the guide tube are in provided with arc structures. The plug insertion block is provided with a pilot pin; the diameter of a water inlet of the guide tube is greater than that of a water outlet; the cooling mechanism solves the problem of water shortage of the water seal due to centrifugation according to different pressures in different positions in a water pump, and realizes an internal cycle in the water pump; with the adoption of the structure, the cooling mechanism is simple in structure and low in cost, prevents the water seal from dry grinding, prolongs the service life of the water seal, further prolongs the service life of the water pump, and solves the long-standing technical problem of water pump failure caused by the dry grinding of the water seal; the practical value of the cooling mechanism is exerted to the greatest extent under the same resource condition; and the cooling mechanism is worth of popularization and application.

Description

technical field [0001] The invention belongs to the technical field of auto parts, and in particular relates to an auto water pump water seal cooling mechanism. Background technique [0002] When the automobile water pump is used, in order to ensure the normal operation of the water pump, a gasket, that is, a water seal, is provided at the connection between the water pump casing and the engine, and supports moving parts such as bearings to ensure the tightness of the pump body. There are also seals on the water pump casing The drain hole is located between the water seal and the bearing; once the coolant leaks through the water seal, it can leak out from the drain hole, and the coolant enters the bearing cavity, destroying the bearing lubrication and causing corrosion of the parts, affecting the normal operation of the water pump and causing The water pump fails quickly; CN102352861A discloses an anti-dry wear automobile water pump water seal structure, which includes a wat...

AI Technical Summary

Problems solved by technology

However, when the impeller of the water pump rotates at high speed, the function of the diversion groove is that in practical applications, due to centrifugal force, the amount of water reaching the water seal is very small, and the cooling effect it plays is not good, and it is easy to cause the water seal to dry and grind to failure. ;In actual operation, there is also a method of adding a drainage device to cool the water seal, but its production cost is high and the mechanism is complicated, so a simple structure, good effect of preventing water seal dry grinding, low cost, and prolonging the life of the water pump are needed. Automobile water pump water seal cooling mechanism

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