compressor
A technology for a compressor and a compression mechanism, applied in the field of compressors, can solve problems such as difficulty in supplying oil to moving parts, and achieve the effects of enhancing the oil supply capacity of the crankshaft, the structure is simple and reasonable, and the service life is long.
Active Publication Date: 2016-03-16
GUANGDONG MEIZHI COMPRESSOR
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Problems solved by technology
[0005] For this reason, an object of the present invention is to propose a kind of compressor, and this compressor improves the difficult problem of supplying oil to moving parts by setting negative pressure device to a certain extent
Method used
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Embodiment Construction
[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0040] In describing the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", " The orientation or positional relationship indicated by "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of description The present invention and simplified description do not indicate or imply that the device or element referred...
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The invention discloses a compressor. The compressor comprises a shell, a compressing mechanism, a motor and a negative-pressure device, wherein the compressing mechanism is arranged in the shell, the compressing mechanism is provided with a crank shaft, a central oil hole is formed in the crank shaft, the lower end of the central oil hole stretches into lubricating oil at the bottom of the shell, the motor is arranged in the shell, the motor comprises a stator and a rotor capable of being rotatably arranged in the stator, the negative pressure device is arranged at the upper end of the rotor, a negative pressure cavity capable of forming negative pressure when the rotor rotates is defined in the negative pressure device, and the negative pressure cavity is communicated with the upper end of the central oil hole. According to the compressor, due to the fact that the negative pressure device communicated with the central oil hole of the crank shaft is arranged at the upper end of the rotor, when the compressor runs, the negative pressure device works so as to enable the atmosphere pressure at the upper end of the central oil hole to be reduced, so that a pressure difference beneficial to the ascending of the lubricating oil from the bottom of the central oil hole of the crank shaft is formed, and the purpose of enhancing the oil supply capability of the crank shaft is achieved.
Description
technical field [0001] The invention relates to a compressor. Background technique [0002] In order to ensure the normal operation of the compressor, the amount of refrigerating machine oil sealed in the current compressor is generally large. However, a large amount of sealed oil will lead to the problem of large oil discharge of the compressor, and solving the problem of oil discharge becomes a major problem. Although other means can be used to reduce the oil discharge, it will increase the cost and structure. Complexity and other related issues, and reducing the amount of oil sealed by the compressor can not only reduce the cost, but also effectively improve the amount of oil discharged. [0003] However, after reducing the amount of sealed oil in the compressor, the oil level of the lubricating oil in the compressor will drop, and the lower oil level will make it difficult to supply oil to the friction pairs in the compressor, especially the friction pairs between the c...
Claims
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IPC IPC(8): F04B39/02
Inventor 钱灿宇
Owner GUANGDONG MEIZHI COMPRESSOR