Volume changing device, compressor, internal combustion engine and water pump
A volume change and crankshaft technology, applied in the field of compressors, internal combustion engines, water pumps, and volume change devices, can solve the problems of the reciprocating inertial force being unable to achieve a complete balance, the number of parts is large, and the volume is large, and achieves a simple structure, small volume and quality. , the effect of long stroke
Active Publication Date: 2018-06-05
中清能(北京)科技有限公司
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- Application Information
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Problems solved by technology
The most widely used one is the crank-link mechanism, which is not only bulky and heavy, but also has a large number of parts, and the reciprocating inertial force cannot be completely balanced.
Method used
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[0031] This application provides a volume change device, which is applied to any mechanism or equipment that can perform reciprocating motion through volume change work. The volume change device can provide a volume change stroke to a certain extent, and the structure is simple. , The number of parts is very small, and there will be no reciprocating inertia force of the second order or above, and the effect of long stroke can also be achieved. At the same time, the volume change device has a smaller volume and mass by setting the connection relationship between the rolling piston and the crankshaft assembly.
[0032] The volume changing device will be introduced and illustrated in detail below through specific embodiments.
[0033] figure 1 It is a schematic structural diagram of the volume changing device provided in the first embodiment of the present application. figure 2 yes figure 1 A-A sectional view in .
[0034] Please refer to figure 1 , The first embodiment of ...
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The invention discloses a volume changing device, a compressor, an internal combustion engine and a water pump. The volume changing device comprises a crankshaft assembly, a rolling piston and a cylinder body, wherein the two ends of the crankshaft assembly are separately equipped with side covers; an eccentric circular hole in the rolling piston sleeves a crank pin of the crankshaft assembly in arotatable mode; the rolling piston is arranged in an inner cavity of the cylinder; the outer ring of the rolling piston is in contact with the inner wall of the cylinder body in a tangential mode; and eccentricity of the eccentric circular hole in the rolling piston is the same with the radius of the crank of the crankshaft assembly; the rotation axis direction of the rolling piston is perpendicular to the length direction of the cylinder body; and in a working state, the rolling piston performs reciprocating linear motion in the length direction of the inner wall of the cylinder body. The volume changing device is simple in structure, has fewer components, does not generate reciprocating inertia force of a second order and higher, is long in stroke, and has relatively small size and mass.
Description
[0001] This application claims the priority of the Chinese patent application with the application number 201611081479.1 and the title of the invention "a volume change device, a compressor, an internal combustion engine and a water pump" submitted to the China Patent Office on November 30, 2016, the entire contents of which are incorporated by reference incorporated in this application. technical field [0002] The invention relates to the technical field of reciprocating motion, in particular to a volume changing device. The invention also relates to a compressor, an internal combustion engine and a water pump. Background technique [0003] The work of the internal combustion engine and the compressor in the prior art is realized by the principle of reciprocating motion, that is to say, both the internal combustion engine and the compressor involve reciprocating mechanisms. The most widely used existing method is to adopt a crank-link mechanism, which is not only bulky an...
Claims
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IPC IPC(8): F02B75/00F02B75/12F04B19/20F04B37/00
CPCF02B75/00F02B75/12F04B19/20F04B37/00
Inventor 黎明吴明辉
Owner 中清能(北京)科技有限公司