Title:
PLUNGER PUMP
Document Type and Number:
WIPO Patent Application WO/2023/082419
Kind Code:
A1
Abstract:
A plunger pump, comprising: a mounting base and a swash plate. The mounting base is provided below a bottom plate of the bottom of a cylinder body, and a group of first screw holes are formed in each of the left end and the right end of the front part of the mounting base; the swash plate is mounted in the middle in the cylinder body; a rotating shaft is mounted in the center of the swash plate, a screw is fixed to the center of the upper portion of the rotating shaft, the lower end of the rotating shaft extends out of the bottom surface of the cylinder body, and meanwhile, an outer fixing sleeve is fitted over the lower end of the rotating shaft; a first rear fixing plate is provided on the left side of the rear portion of the mounting base, and a second rear fixing plate is provided on the right side of the rear portion of the mounting base; a second screw hole is formed in each of the first rear fixing plate and the second rear fixing plate, and the inner diameter length of the second screw hole and the inner diameter length of the first screw holes are consistent. The present invention is reasonable in structural arrangement, accurate and firm in assembly, and good in stability.
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Inventors:
WANG WEI (CN)
JIN LILI (CN)
ZHU WEI (CN)
XU FANGFU (CN)
YAN JIANGUO (CN)
ZHAO YU (CN)
WU JIANWEI (CN)
JIN LILI (CN)
ZHU WEI (CN)
XU FANGFU (CN)
YAN JIANGUO (CN)
ZHAO YU (CN)
WU JIANWEI (CN)
Application Number:
PCT/CN2021/138606
Publication Date:
May 19, 2023
Filing Date:
December 16, 2021
Export Citation:
Assignee:
ZHEJIANG RES INST UNIV TAIZHOU (CN)
International Classes:
F04B1/16; F04B53/00
Foreign References:
| CN2900852Y | 2007-05-16 | |||
| CN211144717U | 2020-07-31 | |||
| CN212717028U | 2021-03-16 | |||
| CN211174489U | 2020-08-04 | |||
| CN203067262U | 2013-07-17 | |||
| US6312231B1 | 2001-11-06 |
Attorney, Agent or Firm:
NINGBO YONGSUN PATENT LAW OFFICE (CN)
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