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Water cooled type motor cycle engine water pump and its actuating mechanism

A technology for engines and motorcycles, which is applied in the direction of engine components, engine cooling, machines/engines, etc. It can solve the problems of changing the pump water volume of the engine and not being able to adjust the transmission ratio, and achieve high pump water efficiency, improve pump water efficiency, and seal Reliable and Guaranteed Results

Inactive Publication Date: 2007-12-19
力帆科技(集团)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the driving gear on the engine crankshaft not only transmits power to the water pump shaft, but also transmits power to the large plate gear on the clutch, or to the oil pump shaft, the original driving gear on the crankshaft cannot be easily changed. Therefore, the transmission ratio between the driven gear on the water pump shaft and the driving gear on the crankshaft cannot be adjusted, so the water pumping volume of the engine cannot be changed by changing the transmission ratio of the gear pair.

Method used

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  • Water cooled type motor cycle engine water pump and its actuating mechanism
  • Water cooled type motor cycle engine water pump and its actuating mechanism
  • Water cooled type motor cycle engine water pump and its actuating mechanism

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Embodiment Construction

[0015] Please see Fig. 1: the present invention includes a water pump and the starting mechanism of the water pump, wherein the water pump is a water-cooled integral water pump, which mainly consists of a water pump cover 12, an impeller 1, a water pump body 2, a water pump shaft 3, and a mechanical water seal static ring Combination 4, sealing ring 7, sealing ring 8, oil seal 9, mechanical water seal moving ring 10, axial positioning ring 13, bearing 14, bearing 16, it is contained in the crankcase cover 18; the starting mechanism of the water pump Mainly be made up of crankcase 17, engine crankshaft 19, water pump driving gear 5, driving gear 21 on the former crankshaft, driven gear 6 and elastic retaining ring 15 etc., it is connected with water pump by a pair of gear meshing.

[0016] As shown in Figure 1: a bearing 14, an oil seal 9, and a static ring combination 4 of a mechanical water seal are installed in the water pump body 2, and the water pump shaft 3 passes through ...

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Abstract

Disclosed water pump modified based on integral type water pump for engines includes following structure: (1) two seal rings in excircle grooves are located on cylindrical faces in different diameters, and oil drain hole is between the said two seal rings; (2) impeller is installed on one end of water pump shaft, and bearing support is installed on the other end. Bearing on the support is seated on bearing seat in crankcase; (3) driven gear on water pump shaft is located between bearing in body of water pump and bearing in crankcase; (4) driving gear 21 and water pump driving gear 5 are installed on crankshaft, and driving gear 5 is engaged to the driven gear. The invention overcomes swing of water pump shaft, reduces abrasion between parts. Adjusting transmission ratio of gear pair can change water pumpage.

Description

technical field [0001] The invention relates to a vehicle transmission device, in particular to a water-cooled motorcycle engine water pump and a starting mechanism thereof. Background technique [0002] At present, water-cooled engine water pumps are mainly composed of water pump shaft, impeller, mechanical water seal moving ring, mechanical water seal static ring, bearings, water pump body, sealing ring, water pump cover, etc. Since the shape of the water pump body is two sections with different diameters The cylinder has 1 to 2 sealing rings on the small cylindrical surface of the same diameter, and because the diameter of the small cylindrical surface is similar to the diameter of the pump body installation hole on the crankcase cover, when the water pump body is installed on the pump body of the crankcase cover When in the hole, the oil drain orifice on the crankcase cover correspondingly matched with the small cylindrical surface will inevitably scratch the sealing rin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D29/08F04D29/60F01P5/12
Inventor 尹明善田亚平程志明陈建
Owner 力帆科技(集团)股份有限公司
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