US 11,725,657 B2
Sealing structure and scroll air compressor having same
Huijun Wei, Zhuhai (CN); Yelin Li, Zhuhai (CN); Zhengliang Shi, Zhuhai (CN); Xiaoqing Guo, Zhuhai (CN); and Xiaoxiao Chen, Zhuhai (CN)
Assigned to GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI, Zhuhai (CN)
Appl. No. 17/277,290
Filed by GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI, Zhuhai (CN)
PCT Filed Dec. 5, 2018, PCT No. PCT/CN2018/119288
§ 371(c)(1), (2) Date Mar. 17, 2021,
PCT Pub. No. WO2020/087654, PCT Pub. Date May 7, 2020.
Claims priority of application No. 201811292896.X (CN), filed on Nov. 1, 2018.
Prior Publication US 2022/0034322 A1, Feb. 3, 2022
Int. Cl. F04C 18/02 (2006.01); F04C 27/00 (2006.01); F01C 7/00 (2006.01); F01C 19/08 (2006.01); F01C 19/00 (2006.01)
CPC F04C 18/0284 (2013.01) [F04C 18/0215 (2013.01); F04C 27/005 (2013.01); F01C 19/005 (2013.01); F01C 19/08 (2013.01); F04C 27/00 (2013.01); F04C 2230/92 (2013.01); F04C 2250/00 (2013.01); F05C 2201/021 (2013.01); F05C 2201/0409 (2013.01); F05C 2201/0439 (2013.01); F05C 2225/04 (2013.01); F05C 2251/02 (2013.01); F05C 2251/10 (2013.01); F05C 2253/16 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A sealing structure, comprising:
an orbiting scroll comprising an orbiting scroll spiral tooth, wherein the orbiting scroll spiral tooth is provided with an orbiting scroll spiral tooth groove, an orbiting scroll wear-resistant sealing strip is provided in the orbiting scroll spiral tooth groove, the orbiting scroll wear-resistant sealing strip comprises a first orbiting scroll wear-resistant sealing strip portion in a high-temperature and high-pressure section and a second orbiting scroll wear-resistant sealing strip portion in a medium-temperature and medium-pressure section, a thickness of the orbiting scroll wear-resistant sealing strip is greater than a depth of the orbiting scroll spiral tooth groove;
a stationary scroll comprising a stationary scroll spiral tooth matched with the orbiting scroll spiral tooth, wherein the stationary scroll spiral tooth is provided with a stationary scroll spiral tooth groove, a stationary scroll wear-resistant sealing strip is provided in the stationary scroll spiral tooth groove, the stationary scroll wear-resistant sealing strip comprises a first stationary scroll wear-resistant sealing strip portion in the high-temperature and high-pressure section and a second stationary scroll wear-resistant sealing strip portion in the medium-temperature and medium-pressure section, a thickness of the stationary scroll wear-resistant sealing strip is greater than a depth of the stationary scroll spiral tooth groove;
wherein the stationary scroll is provided with a damping sealing groove, an elastic damping component is provided in the damping sealing groove, and a damping wear-resistant sealing strip is provided on the orbiting scroll, the damping wear-resistant sealing strip abuts against the elastic damping component, an abutting portion of the damping wear-resistant sealing strip and the elastic damping component is lower than an upper end surface of the damping sealing groove; or,
the orbiting scroll is provided with the damping sealing groove, the elastic damping component is provided in the damping sealing groove, the damping wear-resistant sealing strip is provided on the stationary scroll, the damping wear-resistant sealing strip abuts against the elastic damping component, the abutting portion is lower than the upper end surface of the damping sealing groove;
wherein a cross section of the elastic damping component is in a shape of a circle or a circular tube, and an outer diameter of the circle or the circular tube is between one half and three fifths of a depth of the damping sealing groove, and less than a width of the damping groove.