Symmetrical spiral linear valve piezoelectric pump

Abstract

The invention relates to a symmetrical spiral linear valve piezoelectric pump. The symmetrical spiral linear valve piezoelectric pump comprises piezoelectric vibrators (1), pump covers (2), valve seats (3), screws (4), a pump base (6), sealing rings (7), sealing rings (8) and screws (9). The pump covers (2) are arranged on the top of the pump base (6). The valve seats (3) are arranged at the upper end of the pump base (6). Each sealing ring (7) is arranged between the corresponding valve seat (3) and the pump base (6). Each sealing ring (8) is arranged between the corresponding valve seat (3) and the corresponding pump cover (2). The piezoelectric vibrators (1) are arranged on the tops of the valve seats (3), each piezoelectric vibrator (1) is arranged between the corresponding valve seat (3) and the corresponding pump cover (2), and each piezoelectric vibrator (1) is fixedly connected with the corresponding pump cover (2), the corresponding valve seat (3) and the pump base (6) through the corresponding screw (9). A pair of symmetrical spiral linear one-way valves (5) which are mutually inverted is installed at the positions of inlets and outlets of the valve seats (3) through the screws (4). The structure is simple, cost is low, and opening and closing of the piezoelectric pump can be effectively achieved.

Description

technical field [0001] The invention relates to a symmetrical helical valve piezoelectric pump, which belongs to the field of fluid machinery. Background technique [0002] A pump is a machine that moves fluid or transfers energy. Pumps in the traditional sense are generally driven by motors, which have reached a very perfect level no matter in theory, design method or manufacturing technology. However, limited by the working principle and structure, if an additional drive motor is required, the volume will be large, and it will be difficult to control the tiny flow due to electromagnetic interference, so it is difficult to meet the requirements of current aerospace vehicles, robots, automobiles, medical equipment, biogenetic engineering, and micro-machines. application requirements. [0003] Piezoelectric pumps are a new type of fluid actuator. It does not require an additional drive motor, but uses the inverse piezoelectric effect of piezoelectric ceramics to deform the...

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the disadvantages of complex structure, poor followability and cut-off performance, and high cost of piezoelectric pumps with valves, the object of the present invention is to provide a piezoelectric pump with symmetrical helical valves, in which a pair of valve seats are respectively installed at the inlet and outlet Symmetrical helical check valves inverted to each other to control the flow of fluid

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