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A transmission connection structure between an air compressor and a high-pressure oil pump

A high-pressure oil pump and transmission connection technology, applied in the direction of machine/engine, pump, piston pump, etc., can solve the problem of large layout space of air compressor and high-pressure oil pump, and achieve the effect of saving layout space, good reliability and reducing noise.

Active Publication Date: 2021-08-17
DONGFENG AUTOMOBILE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problem of the large arrangement space of the air compressor and the high-pressure oil pump in the prior art, and to provide an integrated layout of the transmission connection structure of the air compressor and the high-pressure oil pump

Method used

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  • A transmission connection structure between an air compressor and a high-pressure oil pump
  • A transmission connection structure between an air compressor and a high-pressure oil pump
  • A transmission connection structure between an air compressor and a high-pressure oil pump

Examples

Experimental program
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Effect test

Embodiment 1

[0049] A transmission connection structure between an air compressor and a high-pressure oil pump, the transmission connection structure comprising: an air compressor 1 and a high-pressure oil pump 2, the air compressor 1 is provided with an air compressor crankshaft 3, and the high-pressure oil pump 2 is provided with There is a high-pressure oil pump crankshaft 4, and the power input end of the air compressor crankshaft 3 is fixedly connected with a transmission gear 5, and the power output end of the air compressor crankshaft 3 is in transmission cooperation with the power input end of the high-pressure oil pump crankshaft 4; The press crankshaft 3 includes a power input shaft 31, a rotating shaft 32, a crank connecting rod assembly 33 and a power output shaft 34 of an integral structure, and the end of the power input shaft 31 is fixed to one end of the crank connecting rod assembly 33 through the rotating shaft 32 connected, the other end of the crank-connecting rod assemb...

Embodiment 2

[0051] Embodiment 2 is basically the same as Embodiment 1, and its difference is:

[0052] The air compressor coupling key teeth 35 and the high-pressure oil pump coupling key teeth 41 have the same cross-sectional shape, and the heights of the air compressor coupling key teeth 35 and the high-pressure oil pump coupling key teeth 41 are all greater than or equal to the coupling 6 thickness; the cross-section of the assembly of the air compressor coupling key teeth 35, the high-pressure oil pump coupling key teeth 41 and the coupling 6 is a complete ring; the middle part of the oil pump end flange 21 is provided with Annular boss 23, the middle part of said annular boss 23 is provided with a pump shaft fixing hole 24, said pump shaft fixing hole 24 rotates with the crankshaft 4 of the high-pressure oil pump through a bearing, and the outer edge of said annular boss 23 is connected to the shaft coupling The lubricating groove 12 is inserted and matched; the middle part of the ai...

Embodiment 3

[0054] Embodiment 3 is basically the same as Embodiment 2, and its difference is:

[0055] The width of the key tooth groove 61 is greater than or equal to 6mm, the groove depth of the key tooth groove 61 is greater than or equal to 5mm, the diameter of the shaft hole 62 is greater than or equal to 30mm, and the groove depth of the key tooth groove 61 is not less than that of the shaft coupling. The ratio of the circumferential thickness of the device 6 is less than or equal to 0.75; the transmission gear 5 is sleeved on the power input shaft 31 , and the transmission gear 5 is connected with the rotating shaft 32 through a positioning pin 51 .

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Abstract

A transmission connection structure between an air compressor and a high-pressure oil pump. The transmission system includes: an air compressor and a high-pressure oil pump. The air compressor is provided with an air compressor crankshaft, and the high-pressure oil pump is provided with a high-pressure oil pump crankshaft. The power input end of the crankshaft of the air compressor is fixedly connected with a transmission gear, and the power output end of the crankshaft of the air compressor is in transmission cooperation with the power input end of the crankshaft of the high-pressure oil pump; Rotary shaft, crank connecting rod assembly and power output shaft, the end of the power input shaft is fixedly connected with one end of the crank connecting rod assembly through the rotating shaft, and the other end of the crank connecting rod assembly is fixed with one end of the power output shaft To connect, the end surface of the other end of the power output shaft is provided with an air compressor coupling key tooth, and the air compressor coupling key tooth is driven and matched with the high pressure oil pump coupling key tooth at the end surface of the high pressure oil pump crankshaft through the coupling. This design not only has high transmission reliability, but also has compact structure and layout.

Description

technical field [0001] The invention relates to a transmission connection structure between an air compressor and a high-pressure oil pump, which is particularly suitable for the compact arrangement of the transmission structure of an automobile air compressor. Background technique [0002] In recent years, with the upgrading of emissions, more and more components need to be arranged on the engine, resulting in more and more tight layout space for each component. Therefore, higher requirements are placed on the space layout and structural design of the air compressor. It is necessary to reduce the layout space , but also to meet the requirements of lubrication, power, strength, vibration reduction, noise reduction, etc. At present, most of the domestic air compressors are independent structures, and the rear end has relatively few output functions. The patent of the present invention proposes an air compressor with a rear output structure, and the air compressor and the hig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B63/06F02B67/04F04B17/05F04B35/00F04B37/12F04B39/00F04B39/02F04B39/14F04B53/00F04B53/18F04B53/22
CPCF02B63/06F02B67/04F04B17/05F04B35/002F04B37/12F04B39/00F04B39/0094F04B39/02F04B39/0284F04B39/14F04B53/00F04B53/18F04B53/22
Inventor 叶建平余国强洪志刚贺亚玲曾思思高昂代超群颜星星陈鹏张国波马骏吕智滔郭璇尹传龙李文娟马舒丹
Owner DONGFENG AUTOMOBILE COMPANY
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