Improved oil pump for automobile
A technology for oil pumps and oil inlets, which is applied in lubricating pumps, pressure lubrication of lubricating pumps, mechanical equipment, etc. It can solve structural problems of small volume, limited pump oil efficiency, and can only pass through gear meshes, etc. Achieve the effect of improving pump oil efficiency and increasing the volume of the engine oil chamber
Pending Publication Date: 2022-07-15
NINGBO XIASHA GEARS
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Problems solved by technology
Among them, the traditional structure of the external gear pump is to install a pair of circular external gears in the pump body. The gear pump with this structure is simple in structure, reliable in operation, and low in price, but it has small volume and structural problems of "trapped oil". problems, and the oil can only pass through the gear mesh, the pump oil efficiency has been limited
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[0034] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
[0035] In the following embodiments, the same or similar reference numerals represent the same or similar originals or originals with the same or similar functions from beginning to end. The following embodiments described with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but not to be understood. to limit the present invention.
[0036] In the description of the present invention, it should be understood that terms: center, longitudinal, lateral, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, Clockwise, counterclockwise and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the...
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An improved oil pump for an automobile belongs to the technical field of oil pumps for automobiles and comprises a cylinder body, an oil cavity is arranged in the cylinder body, and a driving gear and a driven gear which are meshed with each other are assembled in the oil cavity. Wherein the driving gear and the driven gear are elliptical gears. An oil pumping groove is formed in the side wall of the engine oil cavity, and an oil pumping piece is arranged in the oil pumping groove. One end of the oil pumping piece is a fitting end facing the oil outlet pipe, and the other end of the oil pumping piece is a control end facing the oil inlet pipe. The oil pumping groove and the oil pumping piece are assembled to form an oil channel, and the oil channel comprises an oil inlet located at the control end and an oil outlet located at the attaching end. Compared with the prior art, the oval gear is adopted to replace a traditional circular gear, and the volume of an engine oil cavity is greatly increased. The gear is arranged in the cylinder body, the oil feeding structure is arranged on the gear, the oil pumping piece is arranged on the side wall of the cylinder body, oil can be pumped from the side wall of the engine oil cavity while being pumped from the gear meshing position, and the oil pumping efficiency is greatly improved.
Description
technical field [0001] The invention belongs to the technical field of vehicle oil pumps, in particular to an improved vehicle oil pump. Background technique [0002] The lubrication system is one of the important parts of the automobile. Its function is to continuously deliver the oil to the friction surfaces of all transmission parts when the engine is working, and form an oil film between the friction surfaces to achieve liquid friction and reduce frictional resistance. , reduce power consumption, reduce wear, to ensure the reliability and durability of the engine. In addition, the lubricating system can also take away the heat and impurities on the friction surface, increase the sealing performance of the cylinder, and play the roles of air conditioning, cooling, hydraulic pressure, buffering and rust prevention. [0003] The oil pump in the lubrication system is mainly used to extract the oil from the bottom of the shell and pressurize it, and then send it to the surfa...
Claims
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IPC IPC(8): F16N13/20F01M1/02
CPCF16N13/20F01M1/02F01M2001/0238
Inventor 夏建敏邬中华黄雷登
Owner NINGBO XIASHA GEARS