The utility model provides a crankshaft and a rotary compressor with the structure, the utility model has the advantages of better structure and better efficiency, and has better practicability compared with the existing rotary compressor. The crankshaft including long axis and short axis diameter, long axis of the crankshaft is D1, short axis diameter of crankshaft for D2, D1 and D2 satisfy the following relations, 1< d1/d2 = 1.5; the rotary compressor includes a compressor, the compressor crankshaft is arranged in a machine body cylinder, motor and the cylinder; a piston is arranged in the eccentric part. The piston is sleeved on the crankshaft, the cylinder is arranged on the side surface of the vane piston to the crankshaft; long axis is arranged on the upper bearing, the crankshaft stub is arranged on the lower bearing; transmission is connected between the crankshaft and the long axis of the motor; bearing a plurality of arranged along the circumferential direction of the plate is arranged on the surface of a silencer. A side edge of the muffler plate is fixedly connected to the bearing on the vertical plane, another side edge of the silencer plate is fixedly connected to the upper surface of the bearing.
【技術實現步驟摘要】
曲軸及具有其的旋轉式壓縮機
本技術涉及壓縮機
,特別是指一種曲軸和具有其的旋轉式壓縮機。
技術介紹
節能、環保是制冷、空調行業的兩大主題,鑒于目前節能要求逐步提高,對空調器的能效等級要求也進一步提升,而空調器中的主要的能耗來自于壓縮機,因此對壓縮機的效率要求也越來越高。為提高壓縮機的效率,需要對壓縮機各工作部件進行優化,將尺寸設置在最佳區間內,以達到壓縮機效率最優。目前的旋轉式壓縮機設計中,曲軸短軸與長軸外徑尺寸設置為大致相同,從減少摩擦功耗提高能效的角度出發,長短軸外徑相同不利于壓縮機能效的提升,因此從曲軸長短軸外徑比的優化出發,還存在使壓縮機效率提高的空間。
技術實現思路
本技術提出一種曲軸和具有其的旋轉式壓縮機,其結構更優、效率更好,相比于現有的旋轉式壓縮機具有更好的實用性。本技術的技術方案是這樣實現的:一種曲軸,包括長軸和短軸,所述曲軸的長軸外徑為d1,所述曲軸的短軸外徑為d2,所述d1與d2滿足如下關系,1<d1/d2≤1.5。進一步地,所述d1與d2滿足如下關系,1<d1/d2≤1.3。進一步地,所述d1與d2滿足如下關系,1.14≤d1/d2≤1.24。進一步地,所述d1與d2滿足如下關系,d1/d2為1.16或1.18。一種旋轉式壓縮機,其包括如上所述的一種曲軸。進一步地,還包括壓縮機機體,所述壓縮機機體內設有氣缸、電機和所述的曲軸;所述氣缸內設有活塞,所述活塞套設于所述曲軸的偏心部,所述氣缸的一側設有指向所述活塞表面的葉片;所述曲軸的長軸上套設有上軸承,所述曲軸的短軸上套設有下軸承;所述曲軸的長軸與所述電機之間傳動連接;所述上軸 ...
【技術保護點】
一種曲軸,包括長軸和短軸,所述曲軸的長軸外徑為d1,所述曲軸的短軸外徑為d2,其特征在于:所述d1與d2滿足如下關系,1<d1/d2≤1.5。
【技術特征摘要】
1.一種曲軸,包括長軸和短軸,所述曲軸的長軸外徑為d1,所述曲軸的短軸外徑為d2,其特征在于:所述d1與d2滿足如下關系,1<d1/d2≤1.5。2.如權利要求1所述的曲軸,其特征在于:所述d1與d2滿足如下關系,1<d1/d2≤1.3。3.如權利要求2所述的曲軸,其特征在于:所述d1與d2滿足如下關系,1.14≤d1/d2≤1.24。4.如權利要求1所述的曲軸,其特征在于:所述d1與d2滿足如下關系,d1/d2為1.16或1.18。5.一種旋轉式壓縮機,包括如權利要求...
【專利技術屬性】
技術研發人員:周易,黃小龍,張利,
申請(專利權)人:上海日立電器有限公司,
類型:新型
國別省市:上海,31
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