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A volume control device for a glass pipette

A pipette and glass technology, applied in the field of experimental equipment, can solve problems such as instability in the process of absorbing or discharging liquid, and affecting the progress of the experiment

Active Publication Date: 2018-12-21
新昌县建凯电机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the experimental operation, the glass pipette is widely used because of its simple structure design, low cost, and convenient cleaning. In actual use, the suction ear ball is generally used for auxiliary operations. Improper operation will lead to instability in the suction or discharge process. Sex, affecting the progress of the experiment

Method used

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  • A volume control device for a glass pipette

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Effect test

Embodiment

[0012] Example: such as figure 1 shown. A volume control device for a glass pipette, comprising a sphere 1, the sphere 1 is designed as a suction ear ball as a whole, an elliptical compressible soft ball 2 is arranged on the upper end, a pressure increasing and reducing device 3, and a connecting conduit 4 is arranged in the middle , the positioning pin 5, and the lower end of the sphere 1 are provided with a positioning structure including a support frame 6, a boost button 7, a depressurization button 8, and a sealing sticker 9. When in use, the sphere 1 is positioned at the pipette port to perform sealing treatment, and it is performed according to the pressure, etc. Volume suction or discharge operation.

[0013] A volume control device for a glass pipette. A prompting device 10 is provided on a support frame 6 to provide different prompts for the state of sucking or discharging liquid.

[0014] A volume control device for a glass pipette. The prompting device 10 prompts ...

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Abstract

The invention discloses a volume control device of a glass pipette. The volume control device comprises a sphere (1), wherein the sphere (1) is integrally similar to a rubber pipette bulb mode design; the upper end of the sphere (1) is provided with an elliptic compressible soft sphere (2) and a compression and decompression device (3); the middle of the volume control device is provided with a connection conduit (4) and a positioning pin (5); the lower end of the sphere (1) is provided with a positioning structure which comprises a support frame (6), a pressurization button (7), a depressurization button (8) and sealing paste (9). When the volume control device is used, the sphere (1) is positioned on the end of the pipette to carry out sealing processing, and an equal liquid adsorption or discharge operation is carried out according to intensity of pressure; the support frame (6) is provided with a prompt device (10) which gives different prompts by aiming at liquid adsorption or discharge states. The volume control device has the advantages of novel appearance structure design, simpleness in operation, reusability and high practicality, can effectively carry out targeted positioning processing and guarantee airtightness and also can quantitatively control liquid flowing.

Description

technical field [0001] The invention relates to an experimental appliance. Background technique [0002] During the experimental operation, the glass pipette is widely used because of its simple structure design, low cost, and convenient cleaning. In actual use, the suction ear ball is generally used for auxiliary operations. Improper operation will lead to instability in the suction or discharge process. , affecting the progress of the experiment. Contents of the invention [0003] The purpose of the present invention is to provide a glass pipette auxiliary device that can control the operation volume and is easy to use. [0004] The present invention is achieved like this. A volume control device for a glass pipette, comprising a sphere, the sphere is designed as a suction ear ball as a whole, an elliptical compressible soft ball, a pressure and pressure device are arranged at the upper end, a connecting catheter, a positioning needle, and a sphere are arranged in the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01L3/02
CPCB01L3/0213B01L3/0293B01L2200/061B01L2200/0689B01L2300/025B01L2400/082
Inventor 方琳
Owner 新昌县建凯电机有限公司
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