CN206814760U - A kind of cellular filter - Google Patents

Abstract

The utility model discloses a kind of cellular filter, including outer sleeve, inner sleeve and filter screen；Outer sleeve and inner sleeve are columnar structured；Inner sleeve is installed in outer sleeve；Spiral surrounding is provided with slot on the inwall of outer sleeve；It is provided with and is axially extended to the chute of inner sleeve lower end on the barrel of inner sleeve both sides；The multiple spacing holes arranged along track length direction are provided with the side of chute；Sealing catch is installed at chute；Filter screen is installed in inner sleeve；Filter screen is in the circle peviform structure of upper opening, and the bottom of filter screen is provided with filter membrane；Filter screen both sides are provided with limited block；The post that is connected together is provided with limited block；Limited block coordinates with spacing hole, and the post active card that is connected together is in slot.The utility model is rational in infrastructure, and manufacturing cost is low, by changing filter membrane can be repeated several times and is applicable, and easy to use, simple to operate, flexibility is good, and filter efficiency is high, good filtration effect.

Description

A kind of cellular filter

Technical field

It the utility model is related to biological medicine experiment instrument field, more particularly to a kind of cellular filter.

Background technology

, it is necessary to be infused to patient in the form of individual cells in cell (especially stem cell) treatment, reason is multiple The risk for blocking blood vessel be present in the cell mass of cell composition.So, it is necessary to by the thin of adhere-wall culture in the production process of cell Born of the same parents pass through the digestion of pancreatin, are used for clinical treatment after forming individual cells.After the completion of pancreatin digestion, in order to prevent from not digesting completely Cell mass presence, it is also necessary to be filtered through cellular filter, to filter off cell mass, obtain single cell suspension.Obtained from tissue During cell there is also it is same the problem of, tissue by enzyme digestion, often have indigested tissue block or connective The presence of tissue, at this time indigested cell and connective tissue are removed with cellular filter.Traditional cellular filter is usual , can only be disposable using single layer filter structure, cost height be present, filter efficiency is low, complex operation, ease of use difference etc. Problem.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of cellular filter, the structure being superimposed using more filter screens, Solve traditional cellular filter generally use single layer filter structure, can only be disposable, cost height, filter efficiency be present It is low, complex operation, the problem of ease of use difference.

To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of cellular filter, including outer sleeve, inner sleeve Cylinder and filter screen；The outer sleeve and inner sleeve are columnar structured；The inner sleeve is coaxially disposed with the outer sleeve, described interior Sleeve is installed in the outer sleeve；Spiral surrounding is provided with slot on the inwall of the outer sleeve；In the inner sleeve It is provided with to axially extend to the chute of the inner sleeve lower end, the chute on two side tube-walls and runs through the cylinder of the inner sleeve Wall；The multiple spacing holes arranged along the track length direction are provided with the side of the chute；Installed at the chute There is sealing catch；The filter screen is installed in the inner sleeve；The filter screen is in the circle peviform structure of upper opening, in the filter The bottom of net is provided with filter membrane；The filter screen both sides are provided with limited block；The post that is connected together is provided with the limited block； The limited block coordinates with the spacing hole, and the post active card that is connected together is in the slot.

As a kind of preferred scheme of the present utility model, polytetrafluoroethylene floor is coated with the filter screen side wall.

As a kind of preferred scheme of the present utility model, the more than one filter screen is installed in the inner sleeve.

As a kind of preferred scheme of the present utility model, 3 support column legs are installed outside the outer sleeve；The support Post leg is in angular distribution, and the outer sleeve is maked somebody a mere figurehead.

As a kind of preferred scheme of the present utility model, rubber antiskid ball is installed on the support column leg.

As a kind of preferred scheme of the present utility model, the pore size filter of the filter membrane is 5-200 microns.

Pass through above-mentioned technical proposal, the beneficial effect of technical solutions of the utility model are：The utility model is rational in infrastructure, system Cause low, by changing filter membrane can be repeated several times and be applicable, easy to use, simple to operate, flexibility is good, filter efficiency Height, good filtration effect.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model inner sleeve.

Fig. 3 is the structural representation of the utility model filter screen.

Corresponding component title of the numeral represented by with letter in figure：

1. the support column leg of 2. inner sleeve of outer sleeve 3.

4. rubber antiskid ball 5. seals the spacing hole of catch 6.

7. be connected together the filter membrane of 8. filter screen of post 9.

10. limited block.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Embodiment

With reference to Fig. 1 to Fig. 3, a kind of cellular filter of the utility model, including outer sleeve 1, inner sleeve 2 and filter screen 8；Outer sleeve 1 and inner sleeve 2 to be columnar structured；Inner sleeve 2 is coaxially disposed with outer sleeve 1, and inner sleeve 2 is installed in outer sleeve 1；In overcoat Spiral surrounding is provided with slot on the inwall of cylinder 1；It is provided with and is axially extended to inner sleeve 2 on 2 liang of side tube-walls of inner sleeve The chute of lower end, chute run through the barrel of inner sleeve 2；The multiple limits arranged along track length direction are provided with the side of chute Position hole 6；Sealing catch 5 is installed at chute；Filter screen 8 is installed in inner sleeve 2；Filter screen 8 is in the circle peviform knot of upper opening Structure, the bottom of filter screen 8 is provided with filter membrane 9；The pore size filter of filter membrane 9 is 5-200 microns.Preferably, coated in the side wall of filter screen 8 There is polytetrafluoroethylene floor.The both sides of filter screen 8 are provided with limited block 10；The post 7 that is connected together is provided with limited block 10；Limited block 10 coordinate with spacing hole 6, and the active card of post 7 that is connected together is in slot.More than one filter screen is installed in inner sleeve 2 8。

In order to improve the convenience used, 3 support column legs 3 are installed outside outer sleeve 1；Support column leg 3 is in triangle point Cloth, outer sleeve 1 is maked somebody a mere figurehead.Rubber antiskid ball 4 is installed on support column leg 3.

Operation instruction of the present utility model：The utility model is in use, first take inner sleeve 2 and outer sleeve 1 apart, in inner sleeve Filter screen 8 is installed on cylinder 2；When filter screen 8 is installed, sealing catch 5 is pulled down, set the card of limited block 10 of the both sides of filter screen 8 by chute In spacing hole 6, different spacing holes 6 can be selected as needed, by different spacing holes 6, between controlling between filter screen 8 Away from.Filter membrane 9 on filter screen 8 can select identical pore size filter, can also select different pore size.Filter screen 8 selects identical mistake Filter opening footpath, during filtering, filtered by multilayer filter membrane 9, good filtration effect；Filter screen 8 selects different pore size filters, last time filter screen 8 pore size filter of filter membrane 9 is big, and the pore size filter of filter membrane 9 of next filter screen 8 is small, and such pore size filter, can be with from greatly to small design Greatly promote filter efficiency.After installing filter screen 8, sealing catch 5 is loaded onto, then by the post 7 that is connected together of filter screen 8 along engaging Groove is screwed in, and inner sleeve 2 is installed in outer sleeve 1.During filtering, transferred in outer sleeve 1 and beaker or other containers are set.

By above-mentioned specific embodiment, the beneficial effects of the utility model are：The utility model is rational in infrastructure, manufacturing cost It is low, by changing filter membrane 9 can be repeated several times and be applicable, easy to use, simple to operate, flexibility is good, and filter efficiency is high, mistake It is good to filter effect.

The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (6)

1. a kind of cellular filter, it is characterised in that including outer sleeve, inner sleeve and filter screen；The outer sleeve and inner sleeve are circle Tubular construction；The inner sleeve is coaxially disposed with the outer sleeve, and the inner sleeve is installed in the outer sleeve；Described outer Spiral surrounding is provided with slot on the inwall of sleeve；It is provided with and is axially extended to described on the side tube-wall of inner sleeve two The chute of inner sleeve lower end, the chute run through the barrel of the inner sleeve；It is provided with the side of the chute along the cunning Multiple spacing holes of slot length direction arrangement；Sealing catch is installed at the chute；The filter screen is installed on the inner sleeve In cylinder；The filter screen is in the circle peviform structure of upper opening, and the bottom of the filter screen is provided with filter membrane；In the filter screen both sides It is provided with limited block；The post that is connected together is provided with the limited block；The limited block coordinates with the spacing hole, the card Connecting pole active card is closed in the slot.

2. cellular filter according to claim 1, it is characterised in that be coated with polytetrafluoroethylene (PTFE) in the filter screen side wall Layer.

3. cellular filter according to claim 2, it is characterised in that more than one institute is provided with the inner sleeve State filter screen.

4. cellular filter according to claim 3, it is characterised in that 3 support column legs are provided with outside the outer sleeve； The support column leg is in angular distribution, and the outer sleeve is maked somebody a mere figurehead.

5. cellular filter according to claim 4, it is characterised in that be provided with rubber antiskid on the support column leg Ball.

6. cellular filter according to claim 5, it is characterised in that the pore size filter of the filter membrane is 5-200 microns.