Title:
ANTI-OVERFLOW STRUCTURE FOR SELF-PRIMING PUMP
Document Type and Number:
WIPO Patent Application WO/2023/221475
Kind Code:
A1
Abstract:
An anti-overflow structure for a self-priming pump, arranged in a water outlet chamber (7) of a self-priming pump body (1), a partition plate (4) being arranged between a water outlet (5) and a water return port (6) in the self-priming pump body (1), the anti-overflow structure comprising a flow guide plate (11) correspondingly abutting against the partition plate (4), two side edges of the flow guide plate (11) being respectively provided with water baffles (16) correspondingly arranged on two sides of the water outlet (5), retaining plates (20) being arranged on the outer sides of the water baffles (16), a water guide chamber being surrounded by the flow guide plate (11) and the two water baffles (16), a baffle (17) being arranged above the water guide chamber, a water flow-through channel (18) being provided between the baffle (17) and the water baffles (16), a flow splitting plate (23) corresponding to the water return port (6) being arranged on the back side of the flow guide plate (11) facing away from the water guide chamber, and a retaining portion (25) being arranged at the upper end of the baffle (17).
Inventors:
JIN SHIHAI (CN)
YAN CHENGGANG (CN)
LIN RONG (CN)
LIN RENYONG (CN)
YAN CHENGGANG (CN)
LIN RONG (CN)
LIN RENYONG (CN)
Application Number:
PCT/CN2022/138646
Publication Date:
November 23, 2023
Filing Date:
December 13, 2022
Export Citation:
Assignee:
LEO GROUP PUMP ZHEJIANG CO LTD (CN)
International Classes:
F04D9/02; F04D29/44; F04D29/66
Foreign References:
| CN115143120A | 2022-10-04 | |||
| CN115143145A | 2022-10-04 | |||
| CN206668564U | 2017-11-24 | |||
| CN210977889U | 2020-07-10 | |||
| CN206816534U | 2017-12-29 | |||
| JP2005240624A | 2005-09-08 |
Attorney, Agent or Firm:
HANGZHOU HANGCHENG PATENT ATTORNEY OFFICE CO., LTD. (CN)
Download PDF: