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Mini-size pump

A micro-pump and pump body technology, applied in the fields of transmission, micro-actuator, and micro-fluid control, can solve the problems of fine and complex structure, difficult processing, high price and popularization, etc., and achieve the effect of low price, easy processing and easy control.

Inactive Publication Date: 2006-08-09
汤宁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many types of micropumps, but all of them require external power. Their structures are fine and complex and difficult to process, so they are expensive and difficult to popularize.

Method used

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  • Mini-size pump
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Embodiment Construction

[0010] The working principle and specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0011] refer to figure 1 The micro-pump provided by the present invention adopts the design of combining micro-flow rate and large-volume dose, and it includes a pump casing 3, a liquid reservoir 2, a rubber plug 4, a water-absorbing expansion body 5, a water-absorbing rod 8, and a water storage cylinder. When in use, inject the working liquid from the reservoir connection port 1 and connect it to the micro-pipe connection cap 14, rotate the geared rotary handle 10 forward to move the water storage cylinder forward, and at the same time push the water-absorbing expansion body and the rubber plug to move forward, The air in the reservoir and micro-pipe is exhausted. Inject an appropriate amount of clean fresh water from the water injection hole 11 of the water storage cylinder, connect the long tension joint rod 12 into...

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Abstract

Present invention relates to a micro pump. It utilizes high water absorbability polymer volume expansion property after water absorption, to series connect fluid reservoirs, rubber plug, expansion body, water absorption rod, and water storage tube, and designing in a pump body housing, effectively outputting micrometer liquid and exhausting gas and high flow outputting by turning handle. Said invention has advantages of compact structure and easy processing.

Description

technical field [0001] The invention relates to a micropump, in particular to a micropump which adopts water absorption and expansion to realize the output of a small amount of liquid, and belongs to the technical fields of microfluidic control, transmission and microactuators. Background technique [0002] Micropumps can be used to precisely control and drive the flow of fluid in microchannels, such as microanalysis in chemistry, micro-controlled release of drugs, etc. At present, there are many types of micropumps, but all of them require external power, their structures are fine and complex and difficult to process, so they are expensive and difficult to popularize. Fields such as scientific research and clinical medicine hope to have a general-purpose micropump that is simple in structure, easy to manufacture, stable and accurate in use, and cheap in price and easy to promote. Contents of the invention [0003] The purpose of the present invention is to provide a simp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B49/00F04B23/02A61M5/31
CPCA61M5/1452A61M5/1408A61M2005/14513
Inventor 汤宁
Owner 汤宁