Liquid collecting device

Abstract

The utility model discloses a liquid collecting device which comprises a collecting plate, the collecting plate is provided with a plurality of collecting cavities, and the collecting cavities are used for containing sample liquid; the filter plate is provided with a plurality of filter cavities, the filter cavities are in one-to-one correspondence with the collection cavities, and the filter plate is used for receiving the sample liquid and filtering the sample liquid; the flow guide plate is arranged between the collecting plate and the filtering plate, the flow guide plate is provided with a plurality of flow guide cavities, the flow guide cavities are arranged corresponding to the collecting cavity and the filtering cavity so as to be communicated with the collecting cavity and the filtering cavity, and the flow guide cavities are used for guiding sample liquid in the collecting cavity into the filtering cavity. According to the technical scheme, the sample liquid in the collecting plate is quickly and accurately transferred into the filtering plate for filtering, so that the operation time is shortened, and the error rate in the experiment process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering and collecting, in particular to a liquid collecting device. Background Art

[0002] In experiments, it is usually necessary to transfer liquid samples in a collection plate to a filter plate for filtration, or to divert the filtrate in the filter plate to a collection plate or other collection device, and then perform other experimental treatments such as re-filtration or extraction on the filtrate according to experimental needs. In other words, the filtrate in the collection plate needs to be transferred to the filter plate again. The above processes all require the use of a pipette, but multi-well plates such as 24-well plates, 96-well plates, or 384-well plates are often used in experimental treatments. If a pipette is used to transfer a little bit at a time, it takes a long time and is prone to errors, which can easily lead to experimental failure. Utility Model Content

[0003] The main purpose of the utility model is to provide a liquid collecting device, which is intended to accurately transfer the sample liquid in a porous collecting plate to a filtering plate.

[0004] In order to achieve the above-mentioned purpose, the liquid collecting device proposed in the utility model comprises:

[0005] A collecting plate, wherein the collecting plate is provided with a plurality of collecting cavities, and the collecting cavities are used to hold sample liquid;

[0006] A filter plate, wherein the filter plate is provided with a plurality of filter cavities, the filter cavities correspond to the collection cavities one by one, and the filter plate is used to receive and filter the sample liquid; and

[0007] A guide plate is arranged between the collecting plate and the filter plate, and the guide plate is provided with a plurality of guide cavities, and the guide cavities are arranged corresponding to the collecting cavity and the filter cavity to connect the collecting cavity and the filter cavity, and the guide cavities are used to guide the sample liquid in the collecting cavity to the filter cavity.

[0008] Optionally, the guide plate comprises:

[0009] A plate body is disposed between the collecting plate and the filtering plate, and the plate body is provided with a plurality of flow guide holes;

[0010] A first end plate, disposed on a side of the plate body facing the collecting plate, wherein a plurality of first end plates are provided, and each first end plate is wound to form a first chamber;

[0011] The second end plate is arranged on the side of the plate body facing the filter plate. A plurality of second end plates are provided, and each second end plate is rolled to form a second chamber. The first chamber, the guide holes and the second chamber correspond to each other one by one and are connected to form the guide cavity.

[0012] Optionally, each of the first end plates extends into the corresponding collecting cavity and has an interference fit with the inner wall of the collecting cavity.

[0013] Optionally, each of the second end plates extends into the corresponding filter cavity and is interference fit with the inner wall of the filter cavity.

[0014] Optionally, a flow guiding mechanism is provided at one end of the first end plate close to the collecting plate, the flow guiding mechanism is an inclined surface or a curved surface that decreases inwardly, and the inner circle end of the flow guiding mechanism is close to the plate body.

[0015] Optionally, a rounded corner is provided at a connection between the flow guiding mechanism and the first chamber.

[0016] Optionally, a drainage mechanism is provided on a side of the second end plate close to the filter plate, the drainage mechanism is an inclined surface or a curved surface that diffuses outwards, and an inner circle end of the drainage mechanism is close to the plate body.

[0017] Optionally, a neck is provided at the connection between the first end plate and the plate body, and a protrusion is provided at the collecting cavity at one end of the collecting plate close to the guide plate, and the protrusion is locked with the neck.

[0018] Optionally, the inner wall diameters of the first chamber, the guide hole and the second chamber decrease gradually.

[0019] Optionally, a filter tip is provided at one end of the filter chamber away from the guide plate.

[0020] In the technical solution of the utility model, the collecting plate includes a plurality of collecting chambers, each of which stores sample liquid. The sample liquid in each collecting chamber may be the same or different. The collecting plate and the filter plate are connected by a guide plate. The guide plate includes a plurality of guide chambers, and the filter plate includes a plurality of filter chambers. Each collecting chamber corresponds to a guide chamber and a filter chamber one by one. The sample liquid in the collecting chamber flows to the filter chamber through the guide chamber for filtration, thereby realizing accurate transfer of the sample liquid. The sample liquid in each collecting chamber in the collecting plate can be transferred at the same time, with a fast transfer speed, thereby improving the transfer efficiency and avoiding excessive transfer time and transfer errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0022] Figure 1 This is a schematic diagram of the explosion structure of an embodiment of the liquid collecting device of the utility model;

[0023] Figure 2 It is a schematic diagram of the explosion structure of one embodiment of the liquid collecting device of the utility model from another perspective;

[0024] Figure 3 It is a schematic front view of the explosion structure of an embodiment of the liquid collecting device of the utility model;

[0025] Figure 4 for Figure 3 Schematic diagram of the cross section along AA direction;

[0026] Figure 5 It is a cross-sectional schematic diagram of the assembly structure of an embodiment of the liquid collecting device of the utility model;

[0027] Figure 6 It is a structural schematic diagram of the guide plate in the liquid collecting device of the utility model;

[0028] Figure 7 It is a schematic diagram of another viewing angle of the guide plate structure in the liquid collecting device of the utility model;

[0029] Figure 8 for Figure 5 A partial enlarged view of point A in the middle.

[0030] Description of Figure Numbers:

[0031] Label name Label name 100 Collection Plate 101 Collection chamber 200 Filter Plate 201 Filter chamber 210 Filter 300 Deflector 301 Diversion cavity 310 plate body 320 First end plate 321 First chamber 330 Second end plate 331 Second chamber 340 Diversion mechanism 350 Drainage agency 360 Neck reduction

[0032] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0037] In experiments, it is usually necessary to transfer liquid samples in a collection plate to a filter plate for filtration, or to divert the filtrate in the filter plate to a collection plate or other collection device, and then perform other experimental treatments such as re-filtration or extraction on the filtrate according to experimental needs. In other words, the filtrate in the collection plate needs to be transferred to the filter plate again. The above processes all require the use of a pipette, but multi-well plates such as 24-well plates, 96-well plates, or 384-well plates are often used in experimental treatments. If a pipette is used to transfer a little bit at a time, it takes a long time and is prone to errors, which can easily lead to experimental failure.

[0038] In order to solve the above technical problems, the utility model provides a liquid collecting device, which adopts a collecting plate, a filter plate and a guide plate. The collecting plate and the filter plate are connected by the guide plate. The guide cavity corresponds to the collecting cavity and the filter cavity one by one, thereby realizing the rapid and accurate transfer of the sample liquid in the collecting plate to the filter plate for filtration, reducing the operation time and lowering the error rate of the experimental process.

[0039] In an embodiment of the utility model, the liquid collecting device includes: a collecting plate 100, a filter plate 200 and a guide plate 300. The collecting plate 100 is provided with a plurality of collecting chambers 101, and the collecting chamber 101 is used to hold sample liquid; the filter plate 200 is provided with a plurality of filter chambers 201, and the filter chambers 201 correspond to the collecting chambers 101 one by one, and the filter plate 200 is used to receive and filter the sample liquid; the guide plate 300 is provided between the collecting plate 100 and the filter plate 200, and the guide plate 300 is provided with a plurality of guide chambers 301, and the guide chambers 301 are correspondingly arranged with the collecting chamber 101 and the filter chamber 201 to connect the collecting chamber 101 and the filter chamber 201, and the guide chamber 301 is used to guide the sample liquid in the collecting chamber 101 to the filter chamber 201.

[0040] In the technical solution of the utility model, Figure 1-6 As shown, the collecting plate 100 includes a plurality of collecting chambers 101, each collecting chamber 101 stores sample liquid, and the sample liquid in each collecting chamber 101 may be the same or different. The collecting plate 100 and the filter plate 200 are connected by a guide plate 300, the guide plate 300 includes a plurality of guide chambers 301, and the filter plate 200 includes a plurality of filter chambers 201. Each collecting chamber 101 corresponds to a guide chamber 301 and a filter chamber 201 one by one. The sample liquid in the collecting chamber 101 flows through the guide chamber 301 to the filter chamber 201 for filtration, thereby realizing accurate transfer of the sample liquid, and the sample liquid in each collecting chamber 101 in the collecting plate 100 can be transferred simultaneously, with a fast transfer speed, thereby improving the transfer efficiency and avoiding excessive transfer time and transfer errors.

[0041] The collecting plate 100 may be a box with a certain thickness, on which a plurality of collecting chambers 101 are provided, and the number of collecting chambers 101 may be 24, 96 or 984, or more collecting chambers 101 may be designed according to actual experimental requirements. Each collecting chamber 101 exists independently and is isolated by the box. Different collecting chambers 101 may store different types of sample liquids or the same sample liquids, or sample liquids that have undergone a filtration experiment and need to be filtered again. The collecting plate 100 may also be used as a hollow box, with a plurality of collecting holes provided on one side of the box, and a container such as a test tube that can hold the sample liquid is inserted into each collecting hole, and the container is connected to the collecting hole and does not fall off.

[0042] In addition, the filter plate 200 has multiple filter chambers 201, each filter chamber 201 has a corresponding collection chamber 101, and the sample liquid in each collection chamber 101 is accurately guided to the filter chamber 201 through the guide chamber 301 for filtration. In the filter chamber 201, different materials for filtering can be set. For example, a filter screen can be set in the filter chamber 201 to filter larger substances, or adsorbents such as activated carbon can be used to adsorb invisible substances, etc. Different filter chambers 201 can be used to place different materials for filtering, or the same material for filtering, that is, the filter plate 200 can filter the same substance or different substances to meet different experimental needs.

[0043] Optionally, the guide plate 300 includes a plate body 310, a first end plate 320 and a second end plate 330. The plate body 310 is arranged between the collecting plate 100 and the filter plate 200, and the plate body 310 is provided with a plurality of guide holes; the first end plate 320 is arranged on the side of the plate body 310 facing the collecting plate 100, and a plurality of first end plates 320 are provided, and each first end plate 320 is wound to form a first chamber 321; the second end plate 330 is arranged on the side of the plate body 310 facing the filter plate 200, and a plurality of second end plates 330 are provided, and each second end plate 330 is wound to form a second chamber 331. The first chamber 321, the guide holes and the second chamber 331 correspond one by one, and are connected to form a guide chamber 301.

[0044] In this embodiment, if Figure 4-8 As shown, the guide plate 300 includes a plate body 310, a first end plate 320 and a second end plate 330. The guide plate 300 is provided with the same number of guide cavities 301 as the collecting cavities 101, and each guide cavity 301 corresponds to the collecting cavity 101 one by one. The plate body 310 is provided with a plurality of guide holes. The first end plate 320 and the second end plate 330 are respectively provided on both sides of the plate body 310. The first end plate 320 is provided on a side of the plate body 310 facing the collecting plate 100 and is provided close to the guide hole. The first end plate 320 is wound to form a first chamber 321, and the first chamber 321 is connected to the guide hole. The second end plate 330 is arranged on the side of the plate body 310 facing the filter plate 200 and is arranged close to the guide hole. The second end plate 330 is wound to form a second chamber 331, and the second chamber 331 is connected to the guide hole. The first chamber 321, the second chamber 331 and the guide hole are coaxially arranged and connected to form a guide cavity 301. The sample liquid in the collection plate 100 passes through the first chamber 321, the guide hole and the second chamber 331 in turn to enter the filter cavity 201 for filtration, so that the sample liquid in each collection cavity 101 is accurately guided to the filter cavity 201 for filtration, thereby improving the guide efficiency and accuracy.

[0045] Optionally, each first end plate 320 extends into the corresponding collecting chamber 101 and is interference fit with the inner wall of the collecting chamber 101 .

[0046] In this embodiment, if Figure 5 As shown, one end of the first end plate 320 away from the plate body 310 extends into the collecting chamber 101, and the gap between the outer walls of adjacent first end plates 320 is smaller than the gap between the outer walls of adjacent collecting chambers 101, so that when the first end plate 320 extends into the collecting chamber 101, the gap between adjacent collecting chambers 101 is inserted into the gap between the outer walls of adjacent first end plates 320, thereby achieving an interference fit between the guide plate 300 and the collecting plate 100, so that the first end plate 320 is stably connected to the collecting plate 100, and the outer wall of the first end plate 320 is tightly attached to the inner wall of the collecting chamber 101, and the sample liquid in the collecting chamber 101 directly flows into the first chamber 321, which can prevent the sample liquid from flowing out and causing waste of the sample liquid.

[0047] Optionally, each second end plate 330 extends into the corresponding filter cavity 201 and is interference fit with the inner wall of the filter cavity 201 .

[0048] In this embodiment, if Figure 5 As shown, one end of each second end plate 330 away from the plate body 310 extends into the filter cavity 201, and the gap between two adjacent filter cavities 201 is inserted into the gap between the outer walls of two adjacent second end plates 330, so that the filter plate 200 and the guide plate 300 have an interference fit and a stable connection, so that all the sample liquid in the guide cavity 301 can be transferred to the filter cavity 201, preventing the sample liquid from flowing out and causing waste.

[0049] Optionally, a flow guiding mechanism 340 is disposed at one end of the first end plate 320 close to the collecting plate 100 . The flow guiding mechanism 340 is an inwardly narrowing inclined surface or curved surface, and an inner circle end of the flow guiding mechanism 340 is close to the plate body 310 .

[0050] like Figure 6 and Figure 8 As shown, the flow guiding mechanism 340 is arranged at one end of the first end plate 320 away from the plate body 310, that is, the end extending into the collecting chamber 101, the inner circle of the flow guiding mechanism 340 is connected to the inner wall of the first chamber 321, and the distance between the outer circle end of the flow guiding mechanism 340 and the plate body 310 is greater than the distance between the inner circle end and the plate body 310, so that the inner circle of the flow guiding mechanism 340 is inclined upward in the direction of the outer circle, and the inclined surface can be a straight surface or a curved surface, so as to better guide the liquid in the collecting chamber 101 to the flow guiding chamber 301 through the flow guiding mechanism 340, reduce the residual sample liquid, and reduce waste.

[0051] Optionally, a rounded corner is provided at the connection between the flow guiding mechanism 340 and the first chamber 321 .

[0052] like Figure 6As shown, the connection between the inner circle of the guide mechanism 340 and the first chamber 321 is provided with a rounded corner, so that the sample liquid on the inclined surface can flow to the guide cavity 301 through the rounded corner and prevent the sample liquid from remaining on the inclined surface. The combination of the rounded corner and the inclined surface improves the effect of the guide.

[0053] Optionally, a drainage mechanism 350 is disposed on one side of the second end plate 330 close to the filter plate 200 . The drainage mechanism 350 is an inclined surface or a curved surface that diffuses outwards, and an inner circle end of the drainage mechanism 350 is close to the plate body 310 .

[0054] like Figure 7 and Figure 8 As shown, the drainage mechanism 350 is arranged at one end of the second end plate 330 away from the plate body 310, that is, the end of the second end plate 330 extending into the filter chamber 201, the inner circle of the drainage mechanism 350 is connected to the inner wall of the second chamber 331, and the distance between the outer circle end of the drainage mechanism 350 and the plate body 310 is greater than the distance between the inner circle end and the plate body 310, so that the inner circle of the drainage mechanism 350 is inclined downward in the direction of the outer circle, and the inclined surface can also be a straight surface or a curved surface, so as to better guide the sample liquid in the guide chamber 301 to the filter chamber 201, reduce the sample liquid residue in the guide chamber 301, and cause waste of sample liquid.

[0055] Optionally, a neck 360 is provided at the connection between the first end plate 320 and the plate body 310 , and a protrusion is provided at the collecting chamber 101 at one end of the collecting plate 100 close to the guide plate 300 , and the protrusion is locked with the neck 360 .

[0056] like Figure 8 As shown, a neck 360 is provided at the connection between the outer wall of the first end plate 320 and the plate body 310, that is, an annular ring is provided inwardly on the outer wall of the first end plate 320, and a protrusion is provided on the outer periphery of the opening end of the collecting chamber 101. The protrusion and the neck 360 cooperate and lock to ensure a stable connection between the collecting plate 100 and the guide plate 300.

[0057] Optionally, the inner wall diameters of the first chamber 321 , the guide hole, and the second chamber 331 decrease gradually.

[0058] In this embodiment, if Figure 8 As shown, the inner wall diameter of the guide cavity 301 shows a decreasing trend from the first end plate 320 to the second end plate 330, which is convenient for the liquid in the collection cavity 101 to be quickly transferred to the guide cavity 301, and the second cavity 331 has a smaller diameter, which is convenient for collecting the sample liquid and preventing the sample liquid from spreading and splashing onto the inner wall of the filter cavity 201, causing waste of the sample liquid.

[0059] Optionally, a filter 210 is provided at one end of the filter chamber 201 away from the guide plate 300. Figure 1-5As shown, the sample liquid enters the filter chamber 201 for filtration. After the filtration is completed, the filtrate needs to be collected again or enter the next experimental procedure. The sample liquid enters the next experimental container through the filter nozzle 210. The filter nozzle 210 facilitates flow diversion, so that the flow diameter of the filtrate is small, the diffusion of the filtrate is reduced, and the waste of the filtrate is avoided.

[0060] The above description is only an optional embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A liquid collecting device, characterized in that: include: A collecting plate, wherein the collecting plate is provided with a plurality of collecting cavities, and the collecting cavities are used to hold sample liquid; A filter plate, wherein the filter plate is provided with a plurality of filter cavities, the filter cavities correspond to the collection cavities one by one, and the filter plate is used to receive and filter the sample liquid; as well as A guide plate is arranged between the collecting plate and the filter plate, and the guide plate is provided with a plurality of guide cavities, and the guide cavities are arranged corresponding to the collecting cavity and the filter cavity to connect the collecting cavity and the filter cavity, and the guide cavities are used to guide the sample liquid in the collecting cavity to the filter cavity.

2. The liquid collecting device according to claim 1, characterized in that: The guide plate comprises: A plate body is disposed between the collecting plate and the filtering plate, and the plate body is provided with a plurality of flow guide holes; A first end plate, disposed on a side of the plate body facing the collecting plate, wherein a plurality of first end plates are provided, and each first end plate is wound to form a first chamber; The second end plate is arranged on the side of the plate body facing the filter plate. A plurality of second end plates are provided, and each second end plate is rolled to form a second chamber. The first chamber, the guide holes and the second chamber correspond to each other one by one and are connected to form the guide cavity.

3. The liquid collecting device according to claim 2, characterized in that: Each of the first end plates extends into the corresponding collecting cavity and is interference fit with the inner wall of the collecting cavity.

4. The liquid collecting device according to claim 2, characterized in that: Each of the second end plates extends into the corresponding filter cavity and is interference fit with the inner wall of the filter cavity.

5. The liquid collecting device according to claim 2, characterized in that: A flow guiding mechanism is arranged at one end of the first end plate close to the collecting plate. The flow guiding mechanism is an inclined surface or a curved surface that decreases inwards, and an inner circle end of the flow guiding mechanism is close to the plate body.

6. The liquid collecting device according to claim 5, characterized in that: A fillet is provided at a connection between the flow guiding mechanism and the first chamber.

7. The liquid collecting device according to claim 2, characterized in that: A drainage mechanism is arranged on one side of the second end plate close to the filter plate. The drainage mechanism is an inclined surface or a curved surface that diffuses outwards, and an inner circle end of the drainage mechanism is close to the plate body.

8. The liquid collecting device according to claim 2, characterized in that: A neck is provided at the connection between the first end plate and the plate body, and a protrusion is provided at the collecting cavity at one end of the collecting plate close to the guide plate, and the protrusion is locked with the neck.

9. The liquid collecting device according to claim 2, characterized in that: The inner wall diameters of the first chamber, the guide hole and the second chamber decrease gradually.

10. The liquid collecting device according to claim 2, characterized in that: A filter tip is arranged at one end of the filter cavity away from the guide plate.

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