Horizontal type rotary compressor
A technology of rotary compressor and compression mechanism, which is applied in the direction of rotary piston/oscillating piston pump components, mechanical equipment, machines/engines, etc. It can solve the problems of reducing the stiffness of the crankshaft and prone to rotor oil stirring, etc., to avoid wear, simplified oil circuit design, and increased stiffness
Inactive Publication Date: 2014-08-13
GUANGDONG MEIZHI COMPRESSOR
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Problems solved by technology
[0002] It is pointed out in the related art that since the horizontal rotary compressor guides the oil into the center hole of the crankshaft through the oil pipe, and then throws the oil out from the lateral oil outlet hole on the crankshaft by centrifugal force to lubricate the main and auxiliary bearings and the eccentric part, due to the need The crankshaft center hole is machined to reduce the stiffness of the crankshaft
In addition, due to the high position of the center hole of the crankshaft, there is a requirement for the height of the oil level, and when the oil level is high, the problem of rotor oil stirring is prone to occur, and the lubrication of the previous horizontal compressor needs to be designed for the pressure difference inside the compressor , so as to control the oil level to ensure the lubrication of the pump body
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[0041] 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 only for explaining the present invention and should not be construed as limiting the present invention.
[0042] In describing the present invention, it is to be understood that the terms "centre", "length", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", "axial", "radial" and "circumferential" are based on the orientation or positional relationship shown in the drawings, only It is for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device o...
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The invention discloses a horizontal type rotary compressor which comprises a shell, a compressing mechanism, a crankshaft, a first one-way control device and second one-way control devices, wherein the compressing mechanism is arranged in the shell, and comprises a cylinder component, a main bearing, an auxiliary bearing, a piston and a sliding piece; a sliding piece groove is formed on the cylinder component; the crankshaft passes through the compressing mechanism, and comprises a main shaft section, an eccentric shaft section and an auxiliary shaft section; the eccentric shaft section is provided with an eccentric part; a main shaft spiral oil groove communicated with the sliding piece groove is formed on one of the main shaft section and the main bearing, an eccentric spiral oil groove communicated with the sliding piece groove is formed on one of the eccentric part and the piston, and an auxiliary shaft spiral oil groove communicated with the sliding piece groove is formed on one of the auxiliary shaft section and the auxiliary bearing; the first one-way control device is arranged at the tail of the sliding piece groove; the second one-way control devices are respectively arranged on the main bearing and the auxiliary bearing. After the horizontal type rotary compressor is adopted, the lubricating oil is guaranteed to flow between contact surfaces of the crankshaft and the compressing mechanism, so that the abrasion between the crankshaft and the compressing mechanism is avoided.
Description
technical field [0001] The invention relates to the field of refrigeration equipment, in particular to a horizontal rotary compressor. Background technique [0002] It is pointed out in the related art that since the horizontal rotary compressor guides the oil into the center hole of the crankshaft through the oil pipe, and then throws the oil out from the lateral oil outlet hole on the crankshaft by centrifugal force to lubricate the main and auxiliary bearings and the eccentric part, due to the need The crankshaft center hole is machined to reduce the stiffness of the crankshaft. In addition, due to the high position of the center hole of the crankshaft, there is a requirement for the height of the oil level, and when the oil level is high, the problem of rotor oil stirring is prone to occur, and the lubrication of the previous horizontal compressor needs to be designed for the pressure difference inside the compressor , so as to control the oil level to ensure the lubric...
Claims
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IPC IPC(8): F04C29/02
Inventor 喻继江郑立宇
Owner GUANGDONG MEIZHI COMPRESSOR