Title:
RECIPROCATING PUMP CAPABLE OF TIMELY REPLENISHING OIL
Document Type and Number:
WIPO Patent Application WO/2024/021446
Kind Code:
A1
Abstract:
A reciprocating pump capable of timely replenishing oil, comprising: a power portion (1), a cylinder body (2), a reciprocating element (3), an oil tank assembly (4), a pump head (5), a fluid inlet check valve (6), and a fluid outlet check valve (7). The reciprocating element (3) is movably arranged inside the cylinder body (2), the reciprocating element (3) is connected to the power portion (1), the oil tank assembly (4) is arranged on a top wall of the cylinder (2), the pump head (5) is connected to the cylinder body (2), a connecting hole (501) is provided in the pump head (5), the fluid inlet check valve (6) and the fluid outlet check valve (7) are respectively arranged at two ends of the pump head (5), and the oil tank assembly (4) is arranged on the top wall of the cylinder body (2), and after an oil-replenishing valve (9) is triggered, hydraulic oil in the oil tank assembly (4) enters the cylinder body (2) through the oil-replenishing valve (9).
Inventors:
XU WEIHUA (CN)
ZHOU CAIHUA (CN)
ZHOU LIANG (CN)
ZHOU CAIHUA (CN)
ZHOU LIANG (CN)
Application Number:
PCT/CN2022/139282
Publication Date:
February 01, 2024
Filing Date:
December 15, 2022
Export Citation:
Assignee:
DEPAMU HANGZHOU PUMPS TECH CO LTD (CN)
International Classes:
F04B43/107; F04B43/067; F04B53/00; F04B53/10
Foreign References:
CN115163467A | 2022-10-11 | |||
CN114412759A | 2022-04-29 | |||
CN111536275A | 2020-08-14 | |||
CN209976956U | 2020-01-21 | |||
CN212360150U | 2021-01-15 | |||
CN2809265Y | 2006-08-23 |
Attorney, Agent or Firm:
HANGZHOU HANGPU PATENT AGENCY CO., LTD. (CN)
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