CN208949280U - A kind of microbial limit filter device - Google Patents

A kind of microbial limit filter device Download PDF

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Publication number
CN208949280U
CN208949280U CN201821646488.5U CN201821646488U CN208949280U CN 208949280 U CN208949280 U CN 208949280U CN 201821646488 U CN201821646488 U CN 201821646488U CN 208949280 U CN208949280 U CN 208949280U
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CN
China
Prior art keywords
cup body
glass
liquid
lid
stainless steel
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Expired - Fee Related
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CN201821646488.5U
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Chinese (zh)
Inventor
魏静元
魏子彭
孙晶
王志嘉
姜薇
王歆睿
熊爽
尤海丹
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LIAONING INSTITUTE OF ANALYSIS SCIENCE
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LIAONING INSTITUTE OF ANALYSIS SCIENCE
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Priority to CN201821646488.5U priority Critical patent/CN208949280U/en
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Publication of CN208949280U publication Critical patent/CN208949280U/en
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Abstract

The utility model discloses a kind of microbial limit filter devices, it is related to pharmaceutical technology field, it includes air inlet, into sample port, hinge, hollow out stainless steel reinforces glass holder, fixed cup body fixture block, cup lid cup body locking device, glass, cup lid, lid button, ring-shaped rubber pad, syringe filter, fixed cup body deck, filter membrane, stainless steel filter plate, seal gasket, direct-flow storage battery, Miniature negative pressure pump, liquid level limits alarm device, filtering starts switch, liquid-collecting barrel, liquid outlet, cylindrical container, idler wheel, rotation axis, firm banking, outlet, DC communication switch, the advantages of device, is: small in size, it is portable, band rechargeable battery, DC communication is dual-purpose, it can be used in the place of not power supply;Easy to operate, liquid cup is easy to loading and unloading, and using type connection is quickly inserted, component dismounting is simple, is convenient for cleaning sterilizing, collection filtering, reservoir, negative pressure pump are integrated in one, practical.

Description

A kind of microbial limit filter device
Technical field
The utility model relates to a kind of microbial limit filter devices, belong to pharmaceutical technology field.
Background technique
Currently, the installation and removal of instrument are comparatively laborious, especially during carrying out microbial limit filtering detection When for needing to carry out many experiments, the installing and dismounting of instrument be inconvenient to work belt to detection carry out big inconvenience;In filter bowl In the selection of material, there are glass, stainless steel, plastics etc., three respectively has advantage and disadvantage, glass corrosion-resistant easy view but frangible, stainless steel Compare corrosion-resistant easy processing but it is opaque, plastics compare corrosion-resistant easy processing but easily absorption.Moreover, current microbial limit film Filter device is made of the three parts by hose connection, not portable, is not suitable for the scene of not power supply.
The Chinese patent for comparing Patent No. CN206095753U discloses a kind of liquid state filtering extraction microorganism Detection device, including extraction element and reaction unit, wherein extraction element includes screen pipe and filtering pump head, the bottom of screen pipe Equipped with the filter membrane that can retain microorganism, the upper end of screen pipe is connected by taking over the container equipped with liquid sample to be checked, filter pump Head is connected to the lower end of screen pipe, and filtering pump head lower end is connected by constant displacement pump, liquid suction pipe with hydrops bottle;Reaction unit includes Reaction tube, above-mentioned retention have the screen pipe of microorganism and the seal cap containing detection liquid, screen pipe to be placed in reaction tube, seal Cap is connected by outer urgent formula lock with the upper end of reaction tube.
Existing main problem is that filter efficiency is low to above-mentioned patent in actual use, is directed to the mistake of batch processing The efficiency for filtering operation is lower, therefore we need further on the basis of existing improved.
Utility model content
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of microbial limit filter devices.
The microbial limit filter device of the utility model, it includes air inlet, into sample port, hinge, hollow out stainless steel Reinforce glass holder, fixed cup body fixture block, cup lid cup body locking device, glass, cup lid, lid button, ring-shaped rubber pad, needle type filtration Device, fixed cup body deck, filter membrane, stainless steel filter plate, seal gasket, direct-flow storage battery, Miniature negative pressure pump, liquid level limit alarm Device, filtering start switch, liquid-collecting barrel, liquid outlet, cylindrical container, idler wheel, rotation axis, firm banking, outlet, straight Alternating-current switch is flowed, is provided with direct-flow storage battery above cylindrical container, is provided with glass around direct-flow storage battery, outside cylindrical type It is provided with filtering on shell side wall to start switch, is provided with rotation axis below cylindrical container, rotation axis surrounding is provided with idler wheel, turns It is provided with firm banking below moving axis, outlet is provided on firm banking side wall, outlet side is provided with direct current friendship Stream switchs, and hollow out stainless steel is provided in glass exterior side wall and reinforces glass holder, is provided with cup lid, cup lid side wall above glass On be provided with hinge, far from cup lid cup body locking device is provided at hinge position on cup lid side wall, be provided with lid at the top of cup lid Button, cup lid top are provided with air inlet, and air inlet side is provided with into sample port, air inlet and is provided with into sample port top Syringe filter, hollow out stainless steel is reinforced at the top of glass holder and bottom is provided with ring-shaped rubber pad, is provided with below glass solid Determine cup body deck, glass bottom is provided with filter membrane, is provided with stainless steel filter plate below filter membrane, glass bottom surrounding is provided with Fixed cup body fixture block, fixed cup body fixture block lower section are provided with seal gasket, are provided with liquid-collecting barrel, liquid collecting below fixed cup body deck It is provided with liquid outlet on barrel side wall, liquid level limit alarm device is provided on liquid-collecting barrel inner wall, fixed cup body deck side is set It is equipped with Miniature negative pressure pump.
Preferably, the direct-flow storage battery and cylindrical container is fastened together by screw, glass with Cylindrical container is fastened together by screw, and filtering, which starts switch, to be embedded on cylindrical container side wall, is arranged in this way Equipment inner space can be made full use of.
Preferably, the rotation axis and cylindrical container is linked together by bearing, idler wheel and cylindrical container By being slidably connected together, firm banking and rotation axis are linked together by bearing, outlet and DC communication switch It is embedded on firm banking side wall, setting can be in order to the adjusting of equipment in this way.
Preferably, the hollow out stainless steel reinforces glass holder together with glass nested encryptions, cup lid and glass Inlay card links together, and lid button and cup lid are integrally formed, and air inlet and is taken shape at the top of cup lid into sample port, and being arranged in this way can In order to detect the filling of material.
Preferably, the syringe filter links together with air inlet and air inlet inlay card, ring-shaped rubber pad with Glass inlay card links together, and fixed cup body deck links together with glass inlay card, and filter membrane and fixed cup body deck are logical It crosses inlay card to link together, setting can be with the sealing effect of lifting means in this way.
Preferably, the stainless steel filter plate links together with fixed cup body deck inlay card, fixed cup body fixture block with Fixed cup body deck inlay card links together, and seal gasket is fastened together with fixed cup body fixture block by screw, liquid collecting Bucket is fastened together with fixed cup body deck by screw, and setting can be with the filter effect of lifting means in this way.
Preferably, the liquid outlet and liquid-collecting barrel is fastened together by screw, liquid level limits alarm Device is embedded in liquid-collecting barrel internal side wall, Miniature negative pressure pump and liquid-collecting barrel by together with flanged joint, filtering start switch with Miniature negative pressure pump is fastened together by screw, and direct-flow storage battery and Miniature negative pressure pump are linked together by conducting wire, this The efficiency that sample setting can be filtered with lifting means.
Preferably, the Miniature negative pressure pump side is provided with the transformer for circuitry control, fixed cup body The guiding lines of dextrorotation diagonally downward is offered on deck, setting in this way can be fixed in order to the installation of glass.
The utility model has the beneficial effects that
1, small in size, portable, band rechargeable battery, DC communication is dual-purpose, can use in the place of not power supply;
2, easy to operate, liquid cup is easy to loading and unloading, and using type connection is quickly inserted, component dismounting is simple, is convenient for cleaning sterilizing, Collection filtering, reservoir, negative pressure pump are integrated in one, practical;
3, using hollow out stainless steel reinforcing body is coated with outside glass filter bowl, contact surface is slow with annular (section is U-shaped) rubber pad It rushes and closely knit, rubber pad is bonded on cup body, eliminates the trouble dismantled every time;Stainless steel filtering net under filter membrane thickeies, in order to avoid It is taken up when clamping filter membrane by filter membrane adhesion;
4, this filter device can be made bigeminy, three, the filters such as multi-joint, and each filter works independently, not by it The interference of his filter, filtering cup body is general, can be interchanged, significantly improves comfort level during experimental implementation.
Detailed description of the invention
The present invention is described in detail by the following detailed description and drawings for ease of explanation,.
Fig. 1 is the diagrammatic cross-section of the utility model;
Fig. 2 is the main view of the utility model;
Fig. 3 is the top view of the utility model;
Fig. 4 is the front view of the utility model;
Fig. 5 is the side view of the utility model.
1- air inlet;2- is into sample port;3- hinge;4- hollow out stainless steel reinforces glass holder;5- fixes cup body fixture block;6- cup lid Cup body locking device;7- glass;8- cup lid;9- lid button;10- ring-shaped rubber pad;11- syringe filter;12- fixes cup body card Seat;13- filter membrane;14- stainless steel filter plate;15- seal gasket;16- direct-flow storage battery;17- Miniature negative pressure pump;The limit of 18- liquid level Alarm device;19- filtering starts switch;20- liquid-collecting barrel;21- liquid outlet;22- cylindrical container;23- idler wheel;24- rotation Axis;25- firm banking;26- outlet;27- DC communication switch.
Specific embodiment
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, present embodiment uses following technical scheme: it includes air inlet 1, glass holder 4, fixed cup body fixture block 5, cup lid cup body locking device 6, glass are reinforced into sample port 2, hinge 3, hollow out stainless steel 7, cup lid 8, lid button 9, ring-shaped rubber pad 10, syringe filter 11, fixed cup body deck 12, filter membrane 13, stainless steel filter plate 14, close Potting pad 15, direct-flow storage battery 16, Miniature negative pressure pump 17, liquid level limit alarm device 18, filtering starts switch 19, liquid-collecting barrel 20, Liquid outlet 21, cylindrical container 22, idler wheel 23, rotation axis 24, firm banking 25, outlet 26, DC communication switch 27, direct-flow storage battery 16 is provided with above cylindrical container 22, is provided with glass 7 around direct-flow storage battery 16, outside cylindrical type It is provided with filtering on 22 side wall of shell and starts switch 19, rotation axis 24 is provided with below cylindrical container 22,24 surrounding of rotation axis is set It is equipped with idler wheel 23, firm banking 25 is provided with below rotation axis 24, is provided with outlet 26, power supply on 25 side wall of firm banking 26 side of socket is provided with DC communication switch 27, and hollow out stainless steel is provided in 7 exterior side wall of glass and reinforces glass holder 4, glass It is provided with cup lid 8 above glass cup 7, hinge 3 is provided on 8 side wall of cup lid, is provided at separate 3 position of hinge on 8 side wall of cup lid Cup lid cup body locking device 6 is provided with lid button 9 at the top of cup lid 8, and air inlet 1, the setting of 1 side of air inlet are provided with above cup lid 8 Have into sample port 2, air inlet 1 and into syringe filter 11 is provided with above sample port 2, hollow out stainless steel is reinforced glass holder 4 and pushed up Portion and bottom are provided with ring-shaped rubber pad 10, and fixed cup body deck 12, the setting of 7 bottom of glass are provided with below glass 7 There is filter membrane 13, stainless steel filter plate 14 is provided with below filter membrane 13,7 bottom surrounding of glass is provided with fixed cup body fixture block 5, fixed It is provided with seal gasket 15 below cup body fixture block 5, fixes below cup body deck 12 and is provided with liquid-collecting barrel 20, on 20 side wall of liquid-collecting barrel It is provided with liquid outlet 21, liquid level limit alarm device 18 is provided on 20 inner wall of liquid-collecting barrel, fixed 12 side of cup body deck is set It is equipped with Miniature negative pressure pump 17.
Wherein, the direct-flow storage battery 16 is fastened together with cylindrical container 22 by screw, glass 7 with Cylindrical container 22 is fastened together by screw, and filtering starts switch 19 and is embedded on 22 side wall of cylindrical container, this Sample setting can make full use of equipment inner space;The rotation axis 24 and cylindrical container 22 is connected to one by bearing It rises, by being slidably connected together, firm banking 25 is connected to rotation axis 24 by bearing for idler wheel 23 and cylindrical container 22 Together, outlet 26 and DC communication switch 27 are embedded on 25 side wall of firm banking, and setting can be in order to equipment in this way Adjusting;The hollow out stainless steel reinforces glass holder 4 together with 7 nested encryptions of glass, and cup lid 8 and 7 inlay card of glass connect It is connected together, lid button 9 takes shape in 8 top of cup lid with the integrated molding of cup lid 8, air inlet 1 and into sample port 2, and setting can in this way In order to detect the filling of material;The syringe filter 11 links together with air inlet 1 and 1 inlay card of air inlet, annular Rubber pad 10 links together with 7 inlay card of glass, and fixed cup body deck 12 links together with 7 inlay card of glass, filter membrane 13 It is linked together with fixed cup body deck 12 by inlay card, setting can be with the sealing effect of lifting means in this way;Described is stainless Steel filter plate 14 links together with fixed 12 inlay card of cup body deck, and fixed cup body fixture block 5 is connect with fixed 12 inlay card of cup body deck Together, seal gasket 15 is fastened together with fixed cup body fixture block 5 by screw, liquid-collecting barrel 20 and fixed cup body deck 12 are fastened together by screw, and setting can be with the filter effect of lifting means in this way;The liquid outlet 21 with Liquid-collecting barrel 20 is fastened together by screw, and liquid level limit alarm device 18 is embedded in 20 internal side wall of liquid-collecting barrel, miniature Negative pressure pump 17 and liquid-collecting barrel 20 are by the way that together with flanged joint, filtering starts switch 19 and passes through screw fastening with Miniature negative pressure pump 17 It links together, direct-flow storage battery 16 is linked together with Miniature negative pressure pump 17 by conducting wire, and setting can be with lifting means in this way The efficiency of filtering;17 side of Miniature negative pressure pump is provided with the transformer for circuitry control, fixed cup body deck The guiding lines of dextrorotation diagonally downward is offered on 12, setting in this way can be fixed in order to the installation of glass 7.
The working principle of this specific embodiment:: the first step, to high pressure sterilization is carried out at 8 position of glass 7 and cup lid, really The working environment for protecting equipment is clean, takes directly in air inlet 1 and sterilize together into insertion syringe filter 11 at 2 position of sample port The fixed cup body fixture block 50mm filter membrane 13 of diameter sterilizes;Seal gasket 15 and stainless steel filter plate 14 are sequentially placed into fixed cup by second step Inside body deck 12, filter membrane 13 is placed in centre on stainless steel filter plate 14, glass 7 is directed at 13 periphery of filter membrane, downwards Light rotation to the right after pressing, dynamics is moderate, and such glass 7 and fixed cup body deck 12 are connected and finished;Third step, will be into Syringe filter 11 in sample port 2 is removed, and kerosene sample is reinforced glass holder 4 in hollow out stainless steel with syringe or pipettor 5ml, 5ml, 20ml, 20ml are sequentially added in glass 7, reinserts syringe filter 11;4th step is opened filtering starting and is opened 19 are closed, starts to filter;Miniature negative pressure pump 17 can provide the filter pressure of liquid, liquid pass through the guiding of fixed cup body deck 12 into Enter liquid-collecting barrel 20, the liquid level limit alarm device 18 on 20 side wall of liquid-collecting barrel can be with the volume of current filter liquid, in order to operate Filtered liquid is discharged by liquid outlet 21 by person, is finished to sample filtering, is closed filtering and is started switch 19, filtering is opened Dynamic switch 19 is reset switch, is clicked, and is started, then click, and is stopped;5th step repeats aforesaid operations and carries out secondary cleaning Filtering;6th step, left direction, which is gently revolved, unloads glass 7, removes filter membrane 13 with aseptic nipper, is respectively placed in different dedicated fine jades It is cultivated on rouge culture medium;7th step, filtering terminate, and clean glass 7 and stainless steel filter plate 14, wherein a kerosene sample is used Six microbial limit films filtering portable unit is detected, while having used four glasses 7, can if it is six parts of samples A glass 7 is occupied with each sample, each glass 7 works four times, can not in the operating process of the same sample Glass 7 is replaced, need to only be rinsed twice in each operation, if being more than six samples, needs to change glass 7 and not Become rusty steel filter plate 14, to guarantee the accuracy of detection.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.

Claims (8)

1. a kind of microbial limit filter device, it is characterised in that: it include air inlet (1), into sample port (2), hinge (3), Hollow out stainless steel reinforce glass holder (4), fixed cup body fixture block (5), cup lid cup body locking device (6), glass (7), cup lid (8), Lid button (9), ring-shaped rubber pad (10), syringe filter (11), fixed cup body deck (12), filter membrane (13), stainless steel filter plate (14), seal gasket (15), direct-flow storage battery (16), Miniature negative pressure pump (17), liquid level limit alarm device (18), filtering starting are opened Close (19), liquid-collecting barrel (20), liquid outlet (21), cylindrical container (22), idler wheel (23), rotation axis (24), firm banking (25), outlet (26), DC communication switch (27), cylindrical container (22) top are provided with direct-flow storage battery (16), directly It is provided with glass (7) around stream battery (16), is provided with filtering on cylindrical container (22) side wall and starts switch (19), circle It is provided with rotation axis (24) below column type shell (22), rotation axis (24) surrounding is provided with idler wheel (23), below rotation axis (24) It is provided with firm banking (25), is provided with outlet (26) on firm banking (25) side wall, the setting of outlet (26) side There is DC communication to switch (27), hollow out stainless steel is provided in glass (7) exterior side wall and reinforces glass holder (4), on glass (7) Side is provided with cup lid (8), is provided with hinge (3) on cup lid (8) side wall, far from setting at hinge (3) position on cup lid (8) side wall There is cup lid cup body locking device (6), be provided with lid button (9) at the top of cup lid (8), is provided with air inlet (1) above cup lid (8), into Port (1) side is provided with into sample port (2), air inlet (1) and is provided with syringe filter into sample port (2) top (11), hollow out stainless steel is reinforced at the top of glass holder (4) and bottom is provided with ring-shaped rubber pad (10), setting below glass (7) There is fixed cup body deck (12), glass (7) bottom is provided with filter membrane (13), is provided with stainless steel filter plate below filter membrane (13) (14), glass (7) bottom surrounding is provided with fixed cup body fixture block (5), is provided with seal gasket below fixed cup body fixture block (5) (15), it is provided with liquid-collecting barrel (20) below fixed cup body deck (12), is provided with liquid outlet on liquid-collecting barrel (20) side wall (21), liquid level limit alarm device (18) is provided on liquid-collecting barrel (20) inner wall, fixed cup body deck (12) side is provided with miniature Negative pressure pump (17).
2. a kind of microbial limit filter device according to claim 1, it is characterised in that: the direct-flow storage battery (16) it is fastened together with cylindrical container (22) by screw, glass (7) and cylindrical container (22) pass through screw It is fastened together, filtering starts switch (19) and is embedded on cylindrical container (22) side wall.
3. a kind of microbial limit filter device according to claim 1, it is characterised in that: the rotation axis (24) with Cylindrical container (22) is linked together by bearing, and idler wheel (23) passes through with cylindrical container (22) to be slidably connected together, Firm banking (25) is linked together with rotation axis (24) by bearing, and outlet (26) and DC communication switch (27) are inlayed On firm banking (25) side wall.
4. a kind of microbial limit filter device according to claim 1, it is characterised in that: the hollow out stainless steel adds Gu glass holder (4) is together with glass (7) nested encryptions, cup lid (8) links together with glass (7) inlay card, lid button (9) with Cup lid (8) is integrally formed, and air inlet (1) and is taken shape at the top of cup lid (8) into sample port (2).
5. a kind of microbial limit filter device according to claim 1, it is characterised in that: the syringe filter (11) it links together with air inlet (1) and air inlet (1) inlay card, ring-shaped rubber pad (10) is connected to glass (7) inlay card Together, fixed cup body deck (12) link together with glass (7) inlay card, and filter membrane (13) passes through with fixed cup body deck (12) Inlay card links together.
6. a kind of microbial limit filter device according to claim 1, it is characterised in that: the stainless steel filter plate (14) it links together with fixed cup body deck (12) inlay card, fixed cup body fixture block (5) and fixed cup body deck (12) inlay card connect It is connected together, seal gasket (15) is fastened together with fixation cup body fixture block (5) by screw, liquid-collecting barrel (20) and fixation Cup body deck (12) is fastened together by screw.
7. a kind of microbial limit filter device according to claim 1, it is characterised in that: the liquid outlet (21) it is fastened together with liquid-collecting barrel (20) by screw, it is internal that liquid level limit alarm device (18) is embedded in liquid-collecting barrel (20) On side wall, Miniature negative pressure pump (17) and liquid-collecting barrel (20) are by the way that together with flanged joint, filtering starts switch (19) and miniature negative Press pump (17) is fastened together by screw, and direct-flow storage battery (16) is connected to one by conducting wire with Miniature negative pressure pump (17) It rises.
8. a kind of microbial limit filter device according to claim 1, it is characterised in that: the Miniature negative pressure pump (17) side is provided with the transformer for circuitry control, and dextrorotation is offered on fixed cup body deck (12) diagonally downward It is oriented to lines.
CN201821646488.5U 2018-10-11 2018-10-11 A kind of microbial limit filter device Expired - Fee Related CN208949280U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821646488.5U CN208949280U (en) 2018-10-11 2018-10-11 A kind of microbial limit filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821646488.5U CN208949280U (en) 2018-10-11 2018-10-11 A kind of microbial limit filter device

Publications (1)

Publication Number Publication Date
CN208949280U true CN208949280U (en) 2019-06-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021077456A1 (en) * 2019-10-24 2021-04-29 中山大学 Filter device and method used for microbial enzymatic activity testing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021077456A1 (en) * 2019-10-24 2021-04-29 中山大学 Filter device and method used for microbial enzymatic activity testing

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190607

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