The utility model discloses a gasket sealing structure of a piston compressor, which comprises a suction muffler, a fixed clamp, a cylinder head, a sealing gasket and a valve plate. A suction hole and a sealing bump are arranged on the suction muffler, a suction hole is arranged on the sealing gasket, a suction hole and a sealing sink hole are arranged on the valve plate, and the suction hole on the sealing gasket is less than 1. The suction holes are arranged on the suction muffler, and the sealing convex platform on the suction muffler is pressed against the sealing cushion at the edge of the suction holes on the sealing cushion, and part of the sealing cushion is pressed into the sealing sunk holes arranged on the valve plate. The utility model uses the ductility of the sealing gasket to add a seal between the sealing boss of the air-breathing silencer and the sealing sink hole of the valve plate, thereby simply and effectively strengthening the sealing performance of the air-breathing silencer, greatly reducing the sealing failure probability of the air-breathing interface, and significantly improving the sealing performance of the air-breathing interface. The refrigeration efficiency of the compressor is effectively improved.
【技术实现步骤摘要】
一种活塞式压缩机的垫片密封结构
本技术涉及到压缩机
,具体地说是一种应用于活塞式压缩机吸气消音器的密封结构。
技术介绍
压缩机是制冷系统的心脏,它从吸气管吸入低温低压的制冷剂气体,通过电机运转带动活塞对其进行压缩后,向排气管排出高温高压的制冷剂气体,为制冷循环提供动力,从而实现压缩→冷凝→膨胀→蒸发(吸热)的制冷循环。目前,家用冰箱的压缩机广泛采用绝热性能较好的塑料吸气消音器,吸入低温低压的制冷剂,提高压缩机的输气效率。因此,提高吸气消音器吸气口的密封性,保证吸气消音器的绝热功能,避免吸入周围高温高压的制冷剂尤为重要。图1、图2和图3所示的是目前常用的一种吸气密封结构,密封垫5上设有吸气孔7,阀板6上设有吸气孔8和密封沉孔11,吸气消音器1上的密封凸台10穿过密封垫5的吸气孔7后套紧在阀板6上的密封沉孔11内。吸气消音器1的密封法兰面9和密封垫5通过压紧形成第一道密封,吸气消音器1的密封凸台10和阀板6上的密封沉孔11通过配合形成第二道密封。采用该吸气密封结构的缺点是:由于密封垫的吸气孔端面,密封凸起和密封沉孔的平面精度很难控制,达不到设计要求的密封效果,吸气消音器周围温度较高的制冷剂经常会从吸气孔和阀板沉孔之间进入输气系统,从而降低了整机的制冷效率。
技术实现思路
本技术所要解决的技术问题在于提出一种可简单有效地加强吸气消音器的密封性能,从而保证吸气消音器的绝热功能,提高压缩机制冷效率的活塞式压缩机的垫片密封结构。为解决上述技术问题,本技术一种活塞式压缩机的垫片密封结构包括吸气消音器、固定夹、气缸盖、密封垫和阀板,所述吸气消音器上设有吸气孔和密封凸台, ...
【技术保护点】
1.一种活塞式压缩机的垫片密封结构,包括吸气消音器、固定夹、气缸盖、密封垫和阀板,所述吸气消音器上设有吸气孔和密封凸台,所述密封垫上设有吸气孔,所述阀板上设有吸气孔和密封沉孔,其特征在于,所述密封垫上所设的所述吸气孔小于所述吸气消音器上所设的所述吸气孔,所述吸气消音器上所设的所述密封凸台压紧在所述密封垫上所设的所述吸气孔边缘的所述密封垫后,将部分所述密封垫压入所述阀板上所设的所述密封沉孔内。
【技术特征摘要】
1.一种活塞式压缩机的垫片密封结构,包括吸气消音器、固定夹、气缸盖、密封垫和阀板,所述吸气消音器上设有吸气孔和密封凸台,所述密封垫上设有吸气孔,所述阀板上设有吸气孔和密封沉孔,其特征在于,所述密封垫上所设的所述吸气孔小于所述吸气消音器上所设的所述吸气孔,所述吸气消音器上所设的所述密封凸台压紧在所述密封垫上所设的所述吸气孔边缘的所述密封垫后,将部分所述密封垫压入所述阀板上所设的所述密封沉孔内。2.如权利要求1...
【专利技术属性】
技术研发人员:张勤建,姚辉军,梁宇,朱沈瑾,郭滨,
申请(专利权)人:加西贝拉压缩机有限公司,
类型:新型
国别省市:浙江,33
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