Multi-section adjusting device for adjusting clearance of piston cylinder of compressor
A technology of piston cylinder and adjustment device, which is applied in the direction of mechanical equipment, machine/engine, liquid variable capacity machinery, etc. It can solve the problems of limited adjustment range, insufficient sealing, high modification cost, etc., and achieve the purpose of increasing clearance adjustment, Good airtightness and low retrofitting cost
Inactive Publication Date: 2018-03-23
蚌埠高科瑞力压缩机有限公司
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is: in order to solve the problems existing in the above-mentioned background technology, provide an improved multi-stage adjustment device for piston and cylinder clearance adjustment for compressors, and solve the problem of high refitting cost and insufficient sealing performance of traditional clearance adjustment devices , low practicability and limited adjustment range
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[0017] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0018] figure 1 and figure 2 A multi-stage adjusting device for adjusting the piston cylinder clearance of a compressor is shown, including an external cylinder 1 and a piston 2 located inside the external cylinder 1, and the center of the right side wall of the piston 2 is axially fixedly connected with an external piston rod 3 , The left side wall of the piston 2 is provided with 2 clearance adjustment internal screw holes 4, the internal clearance adjustment internal screw holes 4 are connected with external hexagonal adjustment studs 5 by internal threads, and the inner end of the external hexagonal internal hexagonal adjustment studs 5 is opened There ...
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The invention relates to the technical field of clearance adjustment between a cylinder and a piston, in particular to a multi-section adjusting device for adjusting clearance of a piston cylinder ofa compressor. The device comprises an outer cylinder body and a piston located in the outer cylinder body, wherein an outer piston rod is axially and fixedly connected to the center of the right sidewall of the piston; and clearance adjusting inner screw holes of even numbers are formed in the left side wall of the piston. According to the multi-section adjusting device for adjusting clearance ofthe piston cylinder of the compressor, the internal clearance adjusting inner screw holes used for external inner hexagonal adjusting studs are formed in the left side of the piston, an inner threadauxiliary adjusting hole with an internal inner hexagonal adjusting stud is formed in the inner side end of each external inner hexagonal adjusting stud, the size of the clearance can be freely changed by changing the assembling angle of the external inner hexagonal adjusting studs, modification cost is low, the sealing performance is good, and the device is suitable for equipment of a wide range.
Description
technical field [0001] The invention relates to the technical field of clearance adjustment between a cylinder and a piston, in particular to a multi-stage adjustment device for adjusting the clearance of a piston and cylinder used in a compressor. Background technique [0002] Because the working time and working intensity of the reciprocating compressor are particularly large, under long-term high-intensity work, there will be more or less a little looseness between the piston rod and the piston or between the piston rod and the crosshead. If there is no clearance volume between the pistons, a cylinder collision accident will occur between the piston and the cylinder, and if it is serious, the machine will be destroyed, and if there is no clearance volume, the piston will drain the gas in the cylinder every stroke. At this time, the valves of the inlet and outlet of the cylinder are particularly violent and unstable when they are opened, and the damage to the valves is rel...
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IPC IPC(8): F04B39/00
CPCF04B39/0005
Inventor 丁兆国
Owner 蚌埠高科瑞力压缩机有限公司