US 12,305,643 B2
Pump body assembly, compressor and air conditioner
Yusheng Hu, Zhuhai (CN); Huijun Wei, Zhuhai (CN); Wang Miao, Zhuhai (CN); Peizhen Que, Zhuhai (CN); Yanjun Hu, Zhuhai (CN); and Yuanbin Zhai, Zhuhai (CN)
Assigned to GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI, Zhuhai (CN)
Filed by GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI, Zhuhai (CN)
Filed on Jan. 9, 2023, as Appl. No. 18/151,691.
Application 18/151,691 is a continuation of application No. PCT/CN2021/110096, filed on Aug. 2, 2021.
Claims priority of application No. 202011297079.0 (CN), filed on Nov. 18, 2020.
Prior Publication US 2023/0160387 A1, May 25, 2023
Int. Cl. F04C 18/356 (2006.01); F04C 29/00 (2006.01); F04C 29/02 (2006.01)
CPC F04C 18/356 (2013.01) [F04C 29/005 (2013.01); F04C 29/023 (2013.01); F04C 2240/56 (2013.01); F04C 2240/603 (2013.01); F04C 2240/605 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A pump body assembly, comprising:
a crankshaft comprising a first eccentric portion, a support shaft and a second eccentric portion which are arranged at intervals in an axial direction; and
a first baffle plate and a second baffle plate which are arranged in sequence between the first eccentric portion and the second eccentric portion,
wherein a first round hole is arranged on the first baffle plate, and the support shaft is arranged in the first round hole, so that the first baffle plate and the support shaft form a baffle plate bearing, and the baffle plate bearing has a stress relief structure for reducing a contact stress between the support shaft and the first baffle plate; and
the stress relief structure comprises a second flexible groove arranged on an end face of the first baffle plate facing toward the second baffle plate, and the second flexible groove is arranged on a side of the first baffle plate close to an inner edge of the first round hole.