CN218741295U

CN218741295U - Microporous filtering and collecting device

Info

Publication number: CN218741295U
Application number: CN202223279020.6U
Authority: CN
Inventors: 吴轩民; 陈智明; 陈高明; 胡玉梅
Original assignee: Biocomma Ltd
Current assignee: Biocomma Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-28
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a microfiltration collection device relates to filtration equipment technical field. The microporous filtering and collecting device comprises a receiving plate, a collecting plate and a filtering plate, wherein the receiving plate is provided with a plurality of receiving cavities for receiving sample liquid; the collecting plate is arranged below the receiving plate, one side of the collecting plate, facing the receiving plate, is provided with a plurality of accommodating cavities which are communicated with the receiving cavities in a one-to-one correspondence mode, and the accommodating cavities are used for accommodating collectors; the filter plate block is clamped between the receiving plate block and the collecting plate block, and a filter device is arranged in the filter plate block and used for filtering the receiving sample liquid in each receiving cavity. The utility model discloses microporous filtration collection device collects the plate through setting up, will filter and collect integrated as an organic whole, need not that operating personnel is manual to shift the filtrating and pour into the collector in, has reduced operating procedure.

Description

Microporous filtering and collecting device

Technical Field

The utility model relates to a filtration equipment technical field, in particular to microfiltration collection device.

Background

In experiments such as biochemistry, a mixed solution is usually filtered after mixing. Microfiltration is one of membrane separation technologies, can be used for trapping particles, bacteria, pollutants and the like in a gas phase or a liquid phase, and is an important step in a substance separation experiment.

At present, when the micropore filter plate filters, the sample liquid of experiment is poured into and is filtered through filter equipment after the filter bowl, and the material such as some large-grained material, particle, bacterium is held back, adopts the collection board can realize the collection of filtrating usually. However, in some experiments or production, sample liquid needs to be collected in a container, but the current microporous filtering device does not support the container to collect the sample liquid, and an operator needs to manually pour filtered filtrate into a collecting bottle, so that the operation is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a microfiltration collection device aims at solving the problem that current microfiltration device does not support the container of packing into and collects appearance liquid.

In order to achieve the above purpose, the microporous filtering and collecting device provided by the utility model comprises a receiving plate, a collecting plate and a filtering plate, wherein the receiving plate is provided with a plurality of receiving cavities for receiving sample liquid; the collecting plate is arranged below the receiving plate, one side of the collecting plate, facing the receiving plate, is provided with a plurality of accommodating cavities which are communicated with the receiving cavities in a one-to-one correspondence mode, and the accommodating cavities are used for accommodating collectors; the filter plate is clamped between the receiving plate and the collecting plate, and a filter device is arranged in the filter plate and used for filtering the receiving sample liquid in each receiving cavity.

Optionally, the filter plate block is provided with a plurality of flow guide holes which are communicated with the receiving cavities in a one-to-one correspondence manner, each flow guide hole is communicated with one receiving cavity and one accommodating cavity to form a flow channel, and each flow channel is provided with one filter device; wherein, one side of the diversion hole towards the containing cavity is provided with a diversion nozzle.

Optionally, the filter plate comprises a filter plate, a plurality of first enclosing plates and a plurality of second enclosing plates, and the filter plate is clamped between the receiving plate and the collecting plate; the first enclosing plates are arranged on one side, facing the receiving plate, of the filter plate in a protruding mode, each first enclosing plate surrounds one guide hole to form an upper cavity, and the side wall of the lower port of each receiving cavity extends into one upper cavity and is attached to the first enclosing plate of the upper cavity; the second enclosing plates are arranged on one side, back to the receiving plate, of the filter plate in a protruding mode, each second enclosing plate encloses the periphery of one flow guide nozzle to form a lower cavity, and each lower cavity faces one accommodating cavity.

Optionally, a through groove is concavely formed in one side of the collecting plate facing the filter plate, and the accommodating cavity is concavely formed in the bottom wall of the through groove.

Optionally, a guide structure is arranged at an opening at the upper end of the accommodating cavity, and the guide structure is an inclined plane or a curved surface which diffuses outwards.

Optionally, a groove is concavely formed in the periphery of the top wall of the collecting plate, a protrusion corresponding to the groove is convexly formed in the periphery of the bottom wall of the receiving plate, and the protrusion is embedded in the groove, so that the receiving plate and the collecting plate can be detachably connected.

Optionally, the bottom wall of the accommodating cavity comprises a platform area and a depressed area which are concentrically arranged, the platform area surrounds the depressed area, and a through hole is formed in the bottom of the depressed area.

Optionally, a supporting structure is convexly arranged on the bottom wall of the collecting plate, the supporting structure is used for lifting the collecting plate to form a space avoiding area at the bottom of the collecting plate, and the through hole is connected with the accommodating cavity and the space avoiding area.

Optionally, a channel is arranged at the bottom of the collecting plate and is communicated with the keep-out area and the external environment.

Optionally, the bottom wall of the accommodating chamber is further concavely provided with a connecting groove, and the connecting groove connects the depressed area and the side wall of the accommodating chamber.

The microporous filtering and collecting device integrates filtering and collecting by arranging the receiving plate, the collecting plate and the filtering plate, and a plurality of receiving cavities for receiving sample liquid are arranged in the receiving plate; the filtering plate is provided with a filtering device for filtering the receiving sample liquid in each receiving cavity so as to intercept impurities such as suspended matters, bacteria, micro-particles and the like; the below of filter plate is located to the collection plate, and one side of collecting the plate orientation and receiving the plate is provided with a plurality of holding chambeies that communicate with a plurality of receiving chamber one-to-one, and the holding chamber is used for holding the collector that is similar to bottle, cup, test tube etc.. The mixed sample liquid flows through the filter plate from the receiving cavity and directly enters the collector of the accommodating cavity, so that the collection of the filtrate can be realized, the filtrate is not required to be transferred and poured into the collector manually by an operator, and the operation steps are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a burst view of an embodiment of the microfiltration collection device of the invention;

FIG. 2 is an assembly view of an embodiment of the microporous filtration collection device of the present invention;

FIG. 3 is a top view of an embodiment of the microfiltration collection device of the invention;

FIG. 4 is a cross-sectional view of an embodiment of the microporous filtration collection device of the present invention;

FIG. 5 is a top view of a filter plate block according to an embodiment of the microporous filtration collection device of the present invention;

FIG. 6 is a bottom view of a filter plate according to an embodiment of the microporous filtration collection device of the present invention;

FIG. 7 is a top view of a collection plate of an embodiment of the microfiltration collection device of the invention;

fig. 8 is an enlarged view of the microfiltration collection device a of fig. 4.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In experiments such as biochemistry, a mixed solution is usually filtered after mixing. The current microporous filter plate collects a target object through a collecting plate after sample liquid is filtered, then carries out next experimental treatment, and can realize collection by adopting a universal collecting plate. However, in some experiments or production, the sample liquid needs to be collected in a container, however, the current microporous filtering device does not support the container to collect the sample liquid, and an operator needs to manually pour the filtered filtrate into a collecting bottle, so that the operation is extremely inconvenient.

To solve the above problems, the present invention provides a micro-filtration collecting device 100.

Referring to fig. 1 to 4, an embodiment of a microfiltration collecting device 100 of the present invention comprises a receiving plate 10, a collecting plate 20 and a filter plate 30, wherein the receiving plate 10 is provided with a plurality of receiving cavities 11 for receiving sample liquid; the collecting plate 20 is installed below the receiving plate 10, one side of the collecting plate 20 facing the receiving plate 10 is provided with a plurality of accommodating cavities 21 which are correspondingly communicated with the receiving cavities 11 one by one, and the accommodating cavities 21 are used for accommodating collectors; the filter block 30 is interposed between the receiving block 10 and the collecting block 20, and the filter block 30 is provided therein with a filtering means for filtering the received sample liquid in each receiving cavity 11.

Receiving plate 10 and collecting plate 20 are rectangular blocks having a certain depth and width, a plurality of receiving cavities 11 are dug on receiving plate 10, and the plurality of receiving cavities 11 are isolated from each other by the plate body of receiving plate 10. A plurality of receiving cavities 11 are arranged in an array on the receiving plate 10, and in the embodiment shown in the figure, there are 24 receiving cavities 11, but the present invention is not limited to the number of receiving cavities 11, and may be 28, 32, 36, 48, 96 or more than 96, or less than 24. Correspondingly, the receiving plate 10 is provided with the same number of receiving cavities 21, and each receiving cavity 21 is communicated with each receiving cavity 11. The receiving chamber 21 is used for receiving a collector like a bottle, cup, test tube, etc.

The side wall of the receiving cavity 11 comprises a first receiving section 111, a second receiving section 112 and a third receiving section 113 which are connected in sequence from top to bottom, the first receiving section 111 is in a square column shape, the third receiving section 113 is in a cylindrical shape, the section of the third receiving section 113 is smaller than that of the first receiving section 111, and the second receiving section 112 is in an inclined plane and is connected with the first receiving section 111 and the second receiving section 112. The receiving cavity 11 serves as a filter bowl for receiving sample liquid to be filtered, and different receiving cavities 11 can be used for receiving the same sample liquid and can also be used for receiving different sample liquids so as to adapt to the experiment or production requirements of filtering different sample liquids at the same time.

The filter plate 30 comprises a filter plate 31, a plurality of first enclosing plates 32 and a plurality of second enclosing plates 33, the filter plate 31 is clamped between the receiving plate 10 and the collecting plate 20; the first enclosing plates 32 are all convexly arranged on one side of the filter plate 31 facing the receiving plate 10, each first enclosing plate 32 encloses the periphery of one flow guide hole 311 to form an upper cavity, and the side wall of the lower port of each receiving cavity 11 extends into one upper cavity and is attached to the first enclosing plate 32 of the upper cavity; the second enclosing plates 33 are protruded from the side of the filter plate 31 facing away from the receiving plate 10, and each second enclosing plate 33 encloses a flow guiding nozzle 312 to form a lower cavity, and each lower cavity is disposed toward an accommodating cavity 21.

The filter plate 31 is sandwiched between the receiver plate 10 and the collector plate 20 to separate the receiver plate 10 from the collector plate 20. The first enclosing plate 32 is protruded on one side of the filter plate 31 facing the receiving plate 10, each first enclosing plate 32 encloses around a flow guide hole 311 to form an upper cavity, the third receiving section 113 of each receiving cavity 11 extends into each corresponding upper cavity, the outer wall of the third receiving section 113 is tightly attached to the inner wall of the first enclosing plate 32, and the bottom of the receiving cavity 11 is prevented from leaking.

Optionally, a sieve plate is arranged in the upper chamber, and a filler is arranged between the sieve plate and the filter plate 31 and used for adsorbing non-target substances. Commonly used fillers are silica gel, activated carbon, alumina, and the like. The plate employed for receiving panel 10, collection panel 20 or filter panel 30 may be made of any suitable rigid impermeable material, such as a metal made of stainless steel or a polymer such as acrylic, polypropylene, polystyrene or polycarbonate resin.

It should be noted that the filter block 30 and the receiving block 10 are detachably connected, such as by interference fit or snap fit. For example, the third receiving section 113 is in interference fit with the first enclosing plate 32, the first enclosing plate 32 is made of an elastic material, when the filter plate block 30 and the receiving plate block 10 are installed, the upper chamber is expanded by the elasticity of the material, and then the upper chamber is tightly clamped on the outer wall of the third receiving section 113, and the tight clamping force generated by the first enclosing plate 32 tightly connects the filter plate block 30 and the receiving plate block 10. When the filter plate 30 is clamped and connected with the receiving plate 10, the filter plate 30 is provided with a clamping groove, and the receiving plate 10 is provided with a corresponding clamping block; or the filtering plate 30 is provided with a clamping block, the receiving plate 10 is provided with a corresponding clamping groove, and the filtering plate 30 is connected with the receiving plate 10 through the matching of the clamping block and the clamping groove.

To sum up, the microfiltration collecting device 100 of the present invention integrates filtration and collection by providing the receiving plate 10, the collecting plate 20 and the filtering plate 30, and the receiving plate 10 is provided with a plurality of receiving cavities 11 for receiving sample liquid; the filtering plate 30 is provided with a filtering device for filtering the receiving sample liquid in each receiving cavity 11 to intercept impurities such as suspended matters, bacteria, micro-particles and the like; the collecting plate 20 is arranged below the filtering plate 30, one side of the collecting plate 20 facing the receiving plate 10 is provided with a plurality of accommodating cavities 21 communicated with the receiving cavities 11 in a one-to-one correspondence manner, and the accommodating cavities 21 are used for accommodating collectors similar to bottles, cups, test tubes and the like. The mixed sample liquid flows through the filter plate block 30 from the receiving cavity 11 and directly enters the collector of the accommodating cavity 21, so that the collection of the filtrate can be realized, the filtrate does not need to be transferred and poured into the collector manually by an operator, and the operation steps are reduced.

Referring to fig. 5 to 6, the filter plate 30 is provided with a plurality of guide holes 311 in one-to-one correspondence with the plurality of receiving cavities 11, each guide hole 311 communicates with one receiving cavity 11 and one accommodating cavity 21 to form a flow passage, and each flow passage is provided with a filter device; wherein, a diversion nozzle 312 is disposed on one side of the diversion hole 311 facing the accommodating cavity 21.

The filter plate 31 is provided with flow guide holes 311 corresponding to the receiving cavities 11 one by one, each flow guide hole 311 is connected with each corresponding receiving cavity 11 and accommodating cavity 21 in a penetrating manner, one side of each flow guide hole 311 facing the accommodating cavity 21 is provided with a flow guide nozzle 312, and each flow guide nozzle 312 is arranged on the central axis of each lower cavity. The filter plate 31 is provided with a filter means, which is optionally glued in the upper chamber by means of glue, said filter means passing mainly water, solutions and solutes, and being mainly suspended matter, bacteria, micro-particles, etc. retained.

When the collector is placed in the accommodating cavity 21, the upper port of the collector extends into the lower chamber and is sleeved on the periphery of the diversion nozzle 312. The diversion nozzles 312 play a role in collecting and diverting, filtrate flows out of the diversion nozzles 312 and drops into the collector, so that the filtrate is prevented from diffusing along the side circumference of the diversion holes 311, and waste cannot be caused due to collection.

Referring to fig. 4, a through groove 23 is concavely formed on one side of the collection plate 20 facing the filter plate 30, and the receiving cavity 21 is concavely formed on the bottom wall of the through groove 23.

In order to facilitate the taking and placing of the collector and reduce the restriction and extrusion of the collector by the collecting plate 20, a through groove 23 is concavely provided on the top surface of the collecting plate facing the filter plate 30, and the through groove 23 communicates with each accommodating cavity 21. Therefore, the groove 22 formed by the accommodating cavity 21 plays a role in positioning the collector, and the through groove 23 provides a certain moving space for an operator, so that the operator can conveniently load or pull the collector.

Furthermore, a guide structure 211 is arranged at an opening at the upper end of the accommodating cavity 21, the guide structure 211 is an outward-diffusing inclined plane or curved surface, and the guide structure 211 is wide at the top and narrow at the bottom, so that a guide effect is achieved, and the collector can be conveniently installed in the accommodating cavity 21.

The circumference of the top wall of collector plate block 20 is concavely provided with a groove 22, the circumference of the bottom wall of collector plate block 10 is convexly provided with a protrusion 12 corresponding to groove 22, and protrusion 12 is embedded into groove 22, so as to realize the detachable connection of collector plate block 10 and collector plate block 20.

The receiving panel 10 is detachably connected above the collecting panel 20. In particular, the top wall of the receiving panel 10 is concavely provided with an annular groove 22. The annular groove 22 is spaced from the edge of the receiving panel 10 by a certain distance, for example, 1cm-2cm, and the edge region extends upward to form a step. The periphery of the bottom wall of receptive plate block 10 is provided with an annular projection 12 corresponding to annular groove 22, and annular projection 12 engages annular groove 22 to removably couple receptive plate block 10 to collection plate block 20. The step forms a barrier to the receiving plate 10, enhancing the stability of the coupling of the receiving plate 10 with the collecting plate 20.

Referring to fig. 7 to 8, the bottom wall of the accommodating cavity 21 includes a platform area 212 and a recessed area 213 concentrically arranged, the platform area 212 surrounds the recessed area 213, and a through hole 2131 is arranged at the bottom of the recessed area 213.

The bottom wall of the collecting plate 20 is provided with a supporting structure 24 protruding outwards, the supporting structure 24 is used for lifting the collecting plate 20 to form a clearance area 25 at the bottom of the collecting plate 20, and the through hole 2131 connects the accommodating cavity 21 and the clearance area 25. The bottom of the collection plate 20 is provided with a passage 26 communicating the escape area 25 with the outside environment.

The platform region 212 is disposed along the edge of the bottom surface of the accommodating chamber 21 and is disposed at the outer ring of the recessed region 213, the recessed region 213 is a concave conical structure, and a through hole 2131 is disposed at the axial position of the recessed region 213 and penetrates through the bottom wall of the accommodating chamber 21. The bottom wall of the collecting plate 20 is provided with a supporting structure 24 with a certain height protruding downwards, the supporting structure 24 can lift the collecting module upwards by 1cm-2cm, and therefore, when the micro-filtration collecting device 100 is placed on a table top, a space avoiding area 25 is formed between the floor of the collecting plate 20 and the table top. In the embodiment shown in the figures, the bottom wall of the collecting plate 20 is provided with an annular support strip protruding outwards, and the support strip is provided with a notch forming a channel 26 connecting the keep-out zone 25 with the external environment. It will be appreciated that the support structure 24 is not limited to a ring-shaped closed support bar, and the support bars may be arranged in parallel and spaced apart relationship, and of course, the support structure may be configured as a force balanced support bar or support base, etc., without limitation. Therefore, the accommodating cavity 21 and the clearance area 25 are communicated with the external environment, so that air in the accommodating cavity 21 can be discharged in time, air pressures at the upper end and the lower end of the collector are balanced, and the collector can be mounted conveniently.

Further, the bottom wall of the accommodating cavity 21 is further concavely provided with a connecting groove 2132, and the connecting groove 2132 connects the recessed region 213 with the side wall of the accommodating cavity 21.

The connecting groove 2132 is a rectangular groove extending from the recessed area 213 to the edge of the platform area 212, and the connecting groove 2132 connects the recessed area 213 and the sidewall of the accommodating cavity 21 with a certain slope. There is the gap between collector and the holding chamber 21 lateral wall, and connecting groove 2132 communicates gap and depressed area 213, and then is linked together with keep away empty district 25 and external environment, can realize when receiving plate 10, filter plate 30, collecting plate 20 are connected, and the sample liquid can filter through filter equipment, prevents that the sealed atmospheric pressure that arouses in holding chamber 21 bottom from leading to the unable filtration of sample liquid greatly.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A microfiltration collection device comprising:

the receiving plate is provided with a plurality of receiving cavities for receiving sample liquid;

the collecting plate is arranged below the receiving plate, one side of the collecting plate, facing the receiving plate, is provided with a plurality of accommodating cavities which are communicated with the receiving cavities in a one-to-one correspondence mode, and the accommodating cavities are used for accommodating collectors;

the filter plate is clamped between the receiving plate and the collecting plate, and a filter device is arranged in the filter plate and used for filtering the receiving sample liquid in each receiving cavity.

2. The microfiltration collection device according to claim 1 wherein said filter plate block is provided with a plurality of flow directing holes in one-to-one communication with a plurality of said receiving cavities, each of said flow directing holes communicating with one of said receiving cavities and one of said receiving cavities to form a flow path, each of said flow paths having one of said filters disposed therein;

wherein, one side of the diversion hole towards the containing cavity is provided with a diversion nozzle.

3. The microporous filtration collection apparatus of claim 2, wherein the filter plate block comprises:

a filter plate sandwiched between the receiving plate and the collecting plate;

the first enclosing plates are arranged on one side, facing the receiving plate, of the filter plate in a protruding mode, each first enclosing plate encloses the periphery of one flow guide hole to form an upper cavity, and the side wall of the lower port of each receiving cavity extends into one upper cavity and is attached to the first enclosing plate of the upper cavity;

the second enclosing plates are arranged on one sides, back to the receiving plate, of the filter plates in a protruding mode, each second enclosing plate encloses the periphery of one flow guide nozzle to form a lower cavity, and each lower cavity faces one accommodating cavity.

4. The microporous filtration collection apparatus of claim 1, wherein the collection panel block has a through slot recessed into a side of the collection panel block facing the filter panel block, and the receiving cavity is recessed into a bottom wall of the through slot.

5. The microfiltration collection device according to claim 1 wherein the opening at the upper end of the housing chamber is provided with a guide structure, wherein the guide structure is an inclined plane or a curved surface which spreads outwards.

6. The microfiltration collection device according to claim 1 wherein the top wall of the collection plate has a recess in its peripheral edge and the bottom wall of the receiving plate has a projection in its peripheral edge corresponding to the recess, the projection engaging in the recess to allow the removable attachment of the receiving plate to the collection plate.

7. The microporous filtration collection device of claim 1, wherein the bottom wall of the housing chamber comprises a platform region and a recessed region concentrically arranged, the platform region surrounds the recessed region, and the bottom of the recessed region is provided with a through hole.

8. The microfiltration collecting device according to claim 7 wherein the bottom wall of the collector block is provided with a support structure protruding outward for lifting the collector block to form an escape area at the bottom of the collector block, the through hole connecting the receiving chamber and the escape area.

9. The microfiltration collection device according to claim 8 wherein the bottom of the collection plate is provided with a passage communicating the keep-out zone with the external environment.

10. The microporous filtration collection device of claim 8, wherein the bottom wall of the receiving chamber is further recessed with an attachment slot connecting the recessed region and the side wall of the receiving chamber.