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Rotary compressor

A rotary compressor and compressor technology, applied in the direction of rotary piston machinery, rotary piston pump, mechanical equipment, etc., can solve the problems of small gas sealing width, not easy to seal, reducing the working efficiency of the compressor, etc.

Active Publication Date: 2007-08-08
GUANGDONG MEIZHI COMPRESSOR
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Problems solved by technology

However, the gas sealing width between the inner diameter of the center hole of the intermediate partition plate and the outer diameter of the piston is relatively small in this structure, and it is not easy to seal. As a result, high-pressure gas leaks from the inner diameter of the piston to the inner diameter of the cylinder, directly reducing the work of the compressor. efficiency

Method used

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] In the figure, 1 is the compressor, 3 is the discharge pipe, 8 is the valve device, 10 is the compression assembly, 11 is the motor assembly, 12 is the first cylinder, 13 is the second cylinder B, 14.1 is the first piston, 14.2 is the second cylinder Two pistons, 15.1 is the first slide groove, 15.2 is the second slide groove, 16.1 is the first slide, 16.2 is the second slide, 17 is the main shaft of the eccentric crankshaft, 18.1 is the upper bearing, 18.2 is the lower bearing, 19 20.1 is the first vane chamber, 20.2 is the second vane chamber, 21 is the first pressure switch tube, 22 is the second pressure switch tube, 23 is the low pressure tube, 24 is the high pressure tube, 31 is the The eccentric part on the main shaft side of the eccentric crankshaft, 32 is the eccentric part on the sub shaft side of the eccentric main shaft, and 33 is an ...

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Abstract

A rotary compressor comprises a motor element and a compressing element in the frame, wherein, the compressing element comprises two or more cylinders, pistons in each cylinder and the sliding plates in the sliding grooves of cylinders, an eccentric crank with two or more eccentric parts for driving the pistons, upper and lower bearings supporting the eccentric crank, and a middle baffle plate between two cylinders, while the outer diameter of one eccentric part is reduced to make the central hole of middle baffle plate smaller than the outer diameter of one eccentric part but larger than another one; the eccentric crank comprises a main axle and a sub axle, while the outer diameter of outer axle can be reduced some. The invention has less gas leakage and high working efficiency.

Description

technical field [0001] The present invention relates to a rotary compressor. Background technique [0002] The rotary compressor is mainly composed of an eccentric crankshaft, a piston and a cylinder. The size and relative relationship of each component in the compressor shell is directly related to the leakage of the high-pressure gas inside from the high-pressure chamber to the low-pressure chamber. [0003] The intermediate partition of the existing rotary compressor is arranged between the two eccentric parts of the eccentric crankshaft, and its central aperture must be larger than the outer diameter of the eccentric part, otherwise, the intermediate partition cannot be installed between the two eccentric parts. However, the gas sealing width between the inner diameter of the center hole of the intermediate partition and the outer diameter of the piston is relatively small in this structure, and it is not easy to seal. As a result, high-pressure gas leaks from the inner ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C18/356
Inventor 邵海波
Owner GUANGDONG MEIZHI COMPRESSOR
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