Title:
SINGLE-ARM PNEUMATIC PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/099390
Kind Code:
A1
Abstract:
A single-arm pneumatic pump device (100) comprises an air pump main body (10) and a driving unit (20). The air pump main body (10) comprises a support (11), an air chamber unit (12) combined with one side of the support (11), and a swing arm (13) disposed on the air chamber unit (12). An output shaft (21) of the driving unit (20) is provided with an eccentric shaft (22) and drives the eccentric shaft (22) to pivot. The other end of the eccentric shaft (22) is combined with the swing arm (13) to drive the swing arm (13) to make reciprocating movement between at least two positions that are a near end and a remote end, relative to the air chamber unit (12), so as to drive a piston unit (131) and output an air flow.
More Like This:
| JPH05296149 | DIAPHRAGM TYPE PUMP |
Inventors:
LIN SHIMING (CN)
Application Number:
PCT/CN2017/113534
Publication Date:
June 07, 2018
Filing Date:
November 29, 2017
Export Citation:
Assignee:
LIN SHIMING (CN)
GDG TECH LTD (CN)
GDG TECH LTD (CN)
International Classes:
F04B43/02; A61B5/021; A61B5/361; F04B53/10
Foreign References:
| CN204458282U | 2015-07-08 | |||
| CN201396261Y | 2010-02-03 | |||
| CN201714639U | 2011-01-19 | |||
| CN101608610A | 2009-12-23 | |||
| CN202628470U | 2012-12-26 | |||
| US20040141858A1 | 2004-07-22 | |||
| US4931000A | 1990-06-05 |
Attorney, Agent or Firm:
PACIFIC CHINA PATENT AGENT CO., LTD. (CN)
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