vacuum filter assembly
A filter component and vacuum technology, which is applied in the direction of gravity filter, etc., can solve the problems of small effective filtration area and low filtration efficiency of the filter membrane, and achieve the effect of increasing the effective filtration area, improving the filtration efficiency, and improving the filtration efficiency
Active Publication Date: 2014-10-29
ZHEJIANG SORFA MEDICAL PLASTIC
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Problems solved by technology
This patent improves the vacuum negative pressure resistance of the bottle body by changing the material of the receiving bottle, but does not improve the filtration structure, and there are still problems of small effective filtration area and low filtration efficiency of the filter membrane
Method used
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Embodiment 1
[0019] Such as figure 1 A disposable vacuum filter shown includes a measuring cup 1 and a receiving bottle 3 located at the lower part thereof, and the measuring cup 1 and the receiving bottle 3 are connected by a connector 2 having a suction hole.
[0020] Such as figure 2 , image 3 In the shown vacuum filter assembly, the upper part of the measuring cup 1 is open, and the inner bottom of the measuring cup 1 is provided with a plurality of spaced ribs 12 distributed radially from the center, and the periphery of the spaced ribs 12 is an annular outer edge 13, so that in the measuring cup 1 A plurality of fan-shaped recessed areas 18 are formed at the bottom, and a plurality of flow guide ribs 14, 15 are arranged on the outer arc side of the fan-shaped recessed area 18, and a plurality of flow guide ribs 14, 15 are arranged at intervals. The center angle side of 18 is provided with an overflow hole 16 and a bump A17, and the bump A17 is located inside the overflow hole 16;...
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The invention provides a vacuum filter component, comprising a measuring pot and a connector, wherein a plurality of sector deboss areas are arranged at the bottom part inside the measuring pot; a plurality of guide element rests are arranged at the outer arc sides of the sector deboss areas; a plurality of long and short guide element rests are arranged at intervals; an overflow hole and a convex point A are arranged at the side of a central angle of each sector deboss area; a filter membrane is tightly attached to the bottom part inside the measuring pot; the connector comprises a top plate section, an inner tube section and an outer connecting cylinder section, which are integrally molded in an injection molding manner; the top plate section is tightly attached to the measuring pot; a round deboss is formed at the upper surface of the top plate section; the round deboss is high in the periphery of the bottom part and low in the center; a plurality of convex points B are evenly distributed; a plurality of strip gaps are formed at the positions on the top plate section corresponding to a pipe orifice of the inner tube section; and an air exhaust interface is arranged on the outer connecting cylinder section. By adopting the technical scheme, the effective filter area of the filter membrane is increased; the filter efficiency and the utilization rate of the filter membrane are improved; and damage to the filter membrane is avoided.
Description
technical field [0001] The invention relates to a vacuum filter assembly. Background technique [0002] When conducting biochemical experiments, it is usually necessary to filter the mixed solution, and a microporous membrane filter is required at this time. The microporous membrane filter generally includes an upper cup and a receiving bottle located at its lower part, and a layer of microporous membrane is separated between the two. After the experimental fluid is poured into the upper cup, it is filtered by a microporous filter membrane, and the fine solid particles and bacteria in it are isolated, and the filtered solution drops into the receiving bottle. In order to improve efficiency, a connector with an air extraction hole is provided at the connecting part between the upper cup and the receiving bottle, and the receiving bottle can be pumped after the peripheral vacuum equipment is connected to the air extraction hole, so that a negative pressure is formed in the re...
Claims
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IPC IPC(8): B01D29/085
Inventor 蒋峥嵘
Owner ZHEJIANG SORFA MEDICAL PLASTIC