Design scheme of no backlash structure for piston reciprocating compressor
A technology of structural design and compressor, applied in the direction of mechanical equipment, liquid variable displacement machinery, variable displacement pump components, etc., can solve problems such as unsolvable clearance, exhaust efficiency or/and compression ratio is difficult to improve
Inactive Publication Date: 2011-12-14
梁嘉麟
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Problems solved by technology
[0002] Most of the types of compressors that come out at present are conventional piston compressors driven by the crankshaft, which have the comprehensive characteristics of simple manufacture, long service life, and low requirements on materials, etc. , which is the main reason why it has been enduring since its inception
[0003] Piston reciprocating compressors, like other compressors, are plagued by unsolvable "clearance" problems in structure, so it is always difficult to improve their exhaust efficiency or / and compression ratio
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[0022] figure 1 A general outline of the structure of a crankshaft-driven piston reciprocating compressor with "no clearance" is shown.
[0023] figure 2 It is shown that the piston 5 carries the piston ring K together during the forward compression and exhaust stroke, and travels together against the exhaust valve plate 3 outside the hole of the cylinder 6 . Obviously:
[0024] A. Before the piston 5 is in contact with the exhaust valve plate 3, a high-pressure air cushion that will relieve the collision force between the piston 5 and the exhaust valve plate 3 has been formed in the cylinder 6 between the two;
[0025] B. At this time, it means: the piston 5 has squeezed all the compressed high-pressure gas into the high-pressure zone H;
[0026] C. It should be ensured in the structural design that the piston ring K cannot be completely detached (pushed out) from the hole of the cylinder, otherwise, the piston ring K cannot be carried back to the cylinder 6 by the piston...
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The invention relates to a design scheme for a clearance-free piston reciprocating compressor, which is realized by improving completely removal of the 'clearance', i.e. by the improvement on the basis of 'clearance-free' technology of ZL2004100030658.3. According to a structure principle, a 'clearance-free' contact status without a geometric space can be formed among a piston (5), a displacing valve (3), a cone-shaped air suction valve block (4), a piston ring (K) and an air cylinder (6) in a moment. Therefore, the most traditional piston reciprocating compressor appears with a brand new type in the world: the actual air displacement of the piston (5) very closely approximates 100 % under any working condition, the compression ratio of the piston can be further improved greatly, a condition for the clearance-free piston reciprocating compressor to replace the traditional piston reciprocating compressor is created, and even a condition for the clearance-free piston reciprocating compressor to possibly replace various different types of compressors applied in other engineering fields is created as 'cost performance' of the clearance-free piston reciprocating compressor is greatly improved.
Description
technical field [0001] The present invention relates to the technology of the piston reciprocating compressor, especially the technology of the "all clearance-free" model. Background technique [0002] Most of the compressors that have come out at present are conventional piston compressors driven by the crankshaft, which have the comprehensive characteristics of simple manufacture, long service life, low material requirements and other compressors that cannot be compared with other types of compressors , which is the main reason for its longevity since its inception. [0003] Piston reciprocating compressors, like other compressors, are always plagued by unsolvable "clearance" problems in their structure, so it is always difficult to improve their discharge efficiency or / and compression ratio. - For example: when the compression ratio is close to "10", its displacement will be reduced to the extent that it loses its working meaning. [0004] The "clearance" in existing pi...
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IPC IPC(8): F04B39/00
CPCF04B39/00F04B39/0016F04B39/10
Inventor 梁嘉麟
Owner 梁嘉麟