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.
【技术实现步骤摘要】
曲轴及具有其的旋转式压缩机
本技术涉及压缩机
,特别是指一种曲轴和具有其的旋转式压缩机。
技术介绍
节能、环保是制冷、空调行业的两大主题,鉴于目前节能要求逐步提高,对空调器的能效等级要求也进一步提升,而空调器中的主要的能耗来自于压缩机,因此对压缩机的效率要求也越来越高。为提高压缩机的效率,需要对压缩机各工作部件进行优化,将尺寸设置在最佳区间内,以达到压缩机效率最优。目前的旋转式压缩机设计中,曲轴短轴与长轴外径尺寸设置为大致相同,从减少摩擦功耗提高能效的角度出发,长短轴外径相同不利于压缩机能效的提升,因此从曲轴长短轴外径比的优化出发,还存在使压缩机效率提高的空间。
技术实现思路
本技术提出一种曲轴和具有其的旋转式压缩机,其结构更优、效率更好,相比于现有的旋转式压缩机具有更好的实用性。本技术的技术方案是这样实现的:一种曲轴,包括长轴和短轴,所述曲轴的长轴外径为d1,所述曲轴的短轴外径为d2,所述d1与d2满足如下关系,1<d1/d2≤1.5。进一步地,所述d1与d2满足如下关系,1<d1/d2≤1.3。进一步地,所述d1与d2满足如下关系,1.14≤d1/d2≤1.24。进一步地,所述d1与d2满足如下关系,d1/d2为1.16或1.18。一种旋转式压缩机,其包括如上所述的一种曲轴。进一步地,还包括压缩机机体,所述压缩机机体内设有气缸、电机和所述的曲轴;所述气缸内设有活塞,所述活塞套设于所述曲轴的偏心部,所述气缸的一侧设有指向所述活塞表面的叶片;所述曲轴的长轴上套设有上轴承,所述曲轴的短轴上套设有下轴承;所述曲轴的长轴与所述电机之间传动连接;所述上轴 ...
【技术保护点】
一种曲轴,包括长轴和短轴,所述曲轴的长轴外径为d1,所述曲轴的短轴外径为d2,其特征在于:所述d1与d2满足如下关系,1<d1/d2≤1.5。
【技术特征摘要】
1.一种曲轴,包括长轴和短轴,所述曲轴的长轴外径为d1,所述曲轴的短轴外径为d2,其特征在于:所述d1与d2满足如下关系,1<d1/d2≤1.5。2.如权利要求1所述的曲轴,其特征在于:所述d1与d2满足如下关系,1<d1/d2≤1.3。3.如权利要求2所述的曲轴,其特征在于:所述d1与d2满足如下关系,1.14≤d1/d2≤1.24。4.如权利要求1所述的曲轴,其特征在于:所述d1与d2满足如下关系,d1/d2为1.16或1.18。5.一种旋转式压缩机,包括如权利要求...
【专利技术属性】
技术研发人员:周易,黄小龙,张利,
申请(专利权)人:上海日立电器有限公司,
类型:新型
国别省市:上海,31
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