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Sliding shoe auxiliary squeezing device of peristaltic pump and peristaltic pump

A technology of extrusion device and slipper pair, which is applied to pumps, machines/engines, pumps with flexible working elements, etc., and can solve problems such as large pulses, easily damaged fluid substances, and damaged infusion tubes.

Active Publication Date: 2019-12-31
SHENZHEN LE-MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the technical problem that the large pulse caused by the extruder easily causes damage to the infusion tube and easily damages the substances in the fluid. The present invention provides a sliding shoe auxiliary extruding device of a peristaltic pump with simple structure and reasonable design

Method used

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  • Sliding shoe auxiliary squeezing device of peristaltic pump and peristaltic pump
  • Sliding shoe auxiliary squeezing device of peristaltic pump and peristaltic pump
  • Sliding shoe auxiliary squeezing device of peristaltic pump and peristaltic pump

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Embodiment Construction

[0025] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] When ordinal numerals such as "first" and "second" are mentioned in the embodiments of the present invention, unless they really express the meaning of order according to the context, it should be understood that they are only used for distinction.

[0027] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it...

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Abstract

The invention provides a sliding shoe auxiliary squeezing device of a peristaltic pump. The sliding shoe auxiliary squeezing device comprises a squeezing sliding block and a driving mechanism used fordriving the squeezing sliding block to slide. The end, far away from the driving mechanism, of the squeezing sliding block is provided with a squeezing mechanism for implementing arc-shaped squeezingon a liquid delivery pipe in the cross-section direction of the liquid delivery pipe. The invention further discloses the peristaltic pump. The peristaltic pump comprises the sliding shoe auxiliary squeezing device of the peristaltic pump. According to the sliding shoe auxiliary squeezing device of the peristaltic pump, the driving mechanism drives the squeezing sliding block to slide, so that the squeezing mechanism on the squeezing sliding block implements arc-shaped squeezing on the liquid delivery pipe in the cross-section direction of the liquid delivery pipe. During arc-shaped squeezing, squeezing force of the squeezing mechanism on the liquid delivery pipe increases gradually and then decreases gradually. The squeezing process has the transitivity. Pulses generated during squeezingare reduced. damage to rigid squeezing on the liquid delivery pipe is avoided. A substance in the liquid delivery pipe is also protected against damage.

Description

【Technical field】 [0001] The invention relates to the field of fluid delivery equipment, in particular to a sliding shoe pair extruding device of a peristaltic pump and the peristaltic pump. 【Background technique】 [0002] Peristaltic pump is a kind of volumetric special pump widely used in chemical industry, food, medicine and other fields. Peristaltic pump is usually divided into finger-shaped peristaltic pump and disc-shaped peristaltic pump. The working surface of the cylindrical structure is cylindrical, and the pump core is cylindrical. A series of rollers are installed on its cylindrical surface, and an elastic soft pump tube is placed in the working space formed together with the pump casing. When the pump core rotates, the pump tube is squeezed to make the pump tube form continuous peristalsis and propel the liquid flow; finger-type peristaltic pump The working space is linear, and a series of finger-shaped sliders arranged in a straight line are pushed by the cam g...

Claims

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Application Information

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IPC IPC(8): F04B43/12
CPCF04B43/1223
Inventor 张功华武亚雄张勇唐明波周鹏程胜
Owner SHENZHEN LE-MEDICAL TECH CO LTD
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