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A liquid suction device

A technology of liquid type and liquid storage bag, which is applied in the field of liquid-absorbing liquid extrusion device, which can solve problems such as the extrusion device cannot be used normally, high cost of the extrusion device, and sealing failure, and achieves simple structure, long service life and low cost. low effect

Active Publication Date: 2018-01-23
周晓青
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The extruding device achieves the purpose of extruding liquid and isolating air through two piston structures and two one-way valves. The disadvantage of this structure is that the cost of the extruding device is higher due to the two piston structures; and the reliability of the system is poor , the piston will wear and tear during long-term use, resulting in failure of the seal. Any problem with the sealing of the piston structure will cause the extrusion device to fail to work normally.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] figure 1 Shown is a schematic structural view of a liquid-suction squeezing device according to the first embodiment of the present invention. The liquid-absorbing liquid squeezing device of this embodiment includes a liquid storage bag 4, an infusion chamber 8, a container 7, a rigid support body 5 and a squeezing structure. Wherein the liquid storage bag 4 is made of flexible material, and the opening of the liquid storage bag 4 is provided with a sealing cover 3 , and the sealing cover 3 is provided with a first one-way valve 6 . The liquid storage bag 4 is fixedly installed on the rigid support body 5 through the sealing cover 3, and the liquid storage bag 4 is directly communicated with the atmosphere. Wherein the container 7 is arranged on the top of the sealing cover 3, and the infusion chamber 8 is located in the cavity of the container 7. One end of the infusion chamber 8 communicates with the first one-way valve 6, and the other end communicates with the liq...

Embodiment 2

[0039] figure 2 Shown is a schematic structural diagram of a liquid-suction squeezing device according to a second embodiment of the present invention. The liquid-absorbing liquid squeezing device of this embodiment includes a liquid storage bag 4, an infusion chamber 8, a container 7, a rigid support body 5 and a squeezing structure. Wherein the liquid storage bag 4 is made of flexible material, and the opening of the liquid storage bag 4 is provided with a sealing cover 3 , and the sealing cover 3 is provided with a first one-way valve 6 . The liquid storage bag 4 is fixedly installed on the rigid support body 5 through the sealing cover 3, and the liquid storage bag 4 is directly communicated with the atmosphere. Wherein the container 7 is arranged on the top of the sealing cover 3, and the infusion chamber 8 is located in the cavity of the container 7. One end of the infusion chamber 8 communicates with the first one-way valve 6, and the other end communicates with the ...

Embodiment 3

[0045] image 3 Shown is a schematic structural diagram of a liquid-suction squeezing device according to a third embodiment of the present invention. The liquid-absorbing liquid squeezing device of this embodiment includes a liquid storage bag 4, an infusion chamber 8, a container 7, a rigid support body 5 and a squeezing structure. Wherein the liquid storage bag 4 is made of flexible material, and the opening of the liquid storage bag 4 is provided with a sealing cover 3 , and the sealing cover 3 is provided with a first one-way valve 6 . The liquid storage bag 4 is fixedly installed on the rigid support body 5 through the sealing cover 3, and the liquid storage bag 4 is directly communicated with the atmosphere. Wherein the container 7 is arranged on the top of the sealing cover 3, and the infusion chamber 8 is located in the cavity of the container 7. One end of the infusion chamber 8 communicates with the first one-way valve 6, and the other end communicates with the li...

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PUM

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Abstract

The invention relates to a container for storing liquid, and specifically discloses a liquid suction type liquid squeezing device. A first one-way valve and a second one-way valve are arranged between a liquid storage bag and a liquid outlet to effectively prevent gas or The liquid contaminates the storage liquid; the infusion cavity is a deformed structure, during the process of reducing the volume of the infusion cavity, the liquid in the infusion cavity can only be output from the liquid outlet through the second one-way valve, and will not flow to the liquid storage bag; During the process of increasing the volume of the cavity, since the pressure in the liquid storage bag is greater than the pressure in the infusion cavity, the liquid in the liquid storage bag automatically enters the infusion cavity through the first one-way valve until the pressure in the liquid storage bag and the infusion cavity are balanced. . The structure of the infusion cavity is simple, and it is only necessary to control the volume change of the infusion cavity to realize liquid squeezing or liquid suction. The control method is simple, the cost is low, the system reliability is good, and the service life is longer; because the liquid storage bag is made of flexible materials In the process of repeatedly squeezing the liquid, the liquid in the liquid storage bag can be completely squeezed out without causing waste.

Description

technical field [0001] The invention relates to a container for storing liquid, in particular to a liquid-absorbing liquid-squeezing device. Background technique [0002] In daily life, liquid substances such as some cosmetics, liquid medicines, beauty products and practical fresh milk usually have a certain shelf life. However, the shelf life is usually the shelf life of the vacuum-sealed state. If the liquid is in contact with air once it is opened, if it is not used up within a certain period of time, it will deteriorate even if it has not reached the shelf life. [0003] The Chinese invention patent with publication number CN105000259A discloses an extrusion device. The liquid outlet of the extrusion device is provided with a one-way valve. The function of the one-way valve is to promote the liquid to flow only from the inside of the extrusion device. , the external liquid and gas cannot enter the inside of the extrusion device, so as to ensure that the liquid in the co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D77/06B65D47/24
Inventor 周晓青周心驰
Owner 周晓青