Pressure storage type spray pump and pressure storage type spray device
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United States of America Patent
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Issued Date -
Apr 4, 2024
app pub date -
Dec 11, 2023
filing date -
Jun 11, 2021
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Abstract
A pressure storage type spray pump is provided, which is capable of achieving continuous spraying with a simple and small structure and low cost, and has good safety performance. The spray pump includes a main column and a cylinder body, wherein a fluid channel extending in an axial direction is formed inside the main column, and the cylinder body accommodates a working liquid. The spray pump further includes a one-way valve mechanism, a storage chamber, and an upper elastic mechanism. The upper elastic mechanism displaces towards the maximum compression position when the main column is pressed, so that the storage chamber is in fluid communication with the fluid channel; and the upper elastic mechanism displaces towards the initial position when the main column is released.
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