Rolling ring of rotary compressor
A rotary compressor and roller ring technology, applied to rotary piston/swing piston pump components, mechanical equipment, machines/engines, etc., can solve the problem of increased friction of mating parts, reduced compressor efficiency, and lubricating oil volume Insufficient and other problems, to achieve the effect of reducing eccentric mass, sufficient amount of lubricating oil, and improving work efficiency
Inactive Publication Date: 2009-07-22
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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- Application Information
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Problems solved by technology
like figure 2 As shown, but when this rotary compressor is running, because the roller ring 36 is a cylindrical structure, and the gap between the roller ring 36 in the compression mechanism 30 and the crankshaft 31 is very small, it may sometimes appear caused by the crankshaft 31 rotation and the amount of lubricating oil sucked upward into the electromechanical part 20 is insufficient, which will not only increase the friction between the matching parts, which will easily cause damage to the parts, and will reduce the efficiency of the compressor
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[0010] Such as image 3 As shown, the roller ring 40 of the rotary compressor provided by the present invention has a cylindrical structure, and a groove 41 is formed on the inner peripheral surface thereof, which rises obliquely from the lower end to the upper end. When the rotary compressor provided by the present invention is in operation, the crankshaft 31 whose lower end is immersed in the lubricating oil can rely on the rotation to suck the lubricating oil upwards, and a part of the lubricating oil will flow upward along the contact surface between the crankshaft 31 and the rolling ring 40, Since the roller ring 40 is formed with a groove 41 that rises obliquely from its lower end to the upper end and is consistent with the rotation direction of the crankshaft 31, so the lubricating oil can also be sucked into the upper part of the crankshaft 31 along the groove 41, so that the lubricating oil sucked upward The oil volume is increased, so the friction between the contact...
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The invention discloses a rolling ring of a rotary compressor. It has a cylindrical structure, and a groove is formed on the inner peripheral surface that rises obliquely from the lower end to the upper end and is consistent with the rotation direction of the crankshaft. The rolling ring of the rotary compressor provided by the present invention is to open a groove that rises obliquely from the lower end to the upper end on the inner peripheral surface of its cylindrical structure, so that not only can the contact between the rolling ring and the crankshaft The area is increased, so that the amount of lubricating oil sucked upward is sufficient, so that the working efficiency of the compressor can be improved, and the eccentric mass of the rotating parts can be reduced, so that the vibration caused by it can be reduced.
Description
technical field [0001] The invention relates to a rolling ring of a rotary compressor, in particular to a rolling ring of a rotary compressor capable of reducing friction between the rolling ring and a crankshaft. Background technique [0002] Generally speaking, the rotary compressor does not rely on centrifugal force, but compresses the refrigerant through the rotation of the roller ring in the cylinder, that is, relies on the eccentric roller ring installed at the lower part of the crankshaft to rotate and revolve along the inner peripheral surface of the cylinder to compress the refrigerant. Inhale and compress. figure 1 It is a forward structural sectional view of a rotary compressor in the prior art. figure 2 for figure 1 Cross-sectional view of the rolling ring longitudinal structure of the medium rotary compressor. Such as figure 1 As shown, the interior of this prior art rotary compressor is formed with a closed space, which includes: a closed housing 10 provid...
Claims
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IPC IPC(8): F04C29/00
Inventor 王苏豫
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD