CN213409721U

CN213409721U - Plate washing mechanism and plate washing equipment for enzyme linked immunosorbent assay kit

Info

Publication number: CN213409721U
Application number: CN202021434129.0U
Authority: CN
Inventors: 张红岩; 张俊涛; 董蔓莉; 段学成; 张鹏博; 赵冬梅
Original assignee: Heilongjiang Kingmed Medical Laboratory Co ltd
Current assignee: Heilongjiang Jinyu medical laboratory Co., Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-06-11
Anticipated expiration: 2030-07-20

Abstract

The utility model provides a wash trigger to construct and wash board equipment for ELISA kit for wash the board operation to ELISA kit, wash trigger to construct including feed liquor subassembly and flowing back subassembly: the liquid inlet assembly comprises a liquid storage bottle, a liquid suction pipe and a control part, wherein the liquid suction pipe comprises a first liquid suction section and a second liquid suction section which are connected with each other, one end of the first liquid suction section is connected to the control part, and the second liquid suction section is respectively connected to the control part and the liquid storage bottle; the control element is used for controlling the flow of the pipette; the liquid discharging assembly comprises a liquid pump, a liquid discharging pipe and a liquid injecting piece, and the liquid pump is communicated with one end, far away from the control piece, of the first liquid absorbing section; the liquid discharge pipe is respectively connected with the liquid injection part and the output end of the liquid pump. The plate washing equipment in this embodiment through feed liquor subassembly and flowing back subassembly cooperation, can wash the board operation to the kit conveniently, simple structure, excellent in use effect.

Description

Plate washing mechanism and plate washing equipment for enzyme linked immunosorbent assay kit

Technical Field

The utility model relates to a medical science check out test set technical field especially relates to a wash trigger to construct and wash board equipment for ELISA kit.

Background

Enzyme-linked immunosorbent assay: the enzyme linked immunosorbent assay is a detection method for detecting a color development of a compound of a binding antibody and an enzyme, and has one step of important operation, namely plate washing, in the detection process, the plate washing operation is carried out on a detection plate, the plate washing operation is generally divided into manual plate washing and plate washing, the plate washing efficiency can be improved by using the plate washing machine, but the cost is high, and the method is not beneficial to wide application. The traditional manual plate washing operation generally uses a washing liquid bottle for operation, but the efficiency of the manual plate washing is lower, and meanwhile, because manual control is needed, the liquid outlet amount of washing liquid cannot be controlled, and the plate washing effect is poor.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a wash trigger structure and wash board equipment for ELISA kit for solve the traditional manual problem of washing the board operation in efficiency lower, the washing board effect is relatively poor.

The utility model provides a wash trigger structure for ELISA kit, include:

the liquid inlet assembly comprises a liquid storage bottle, a liquid suction pipe and a control part, wherein the liquid suction pipe comprises a first liquid suction section and a second liquid suction section which are connected with each other, one end of the first liquid suction section is connected to the control part, and the second liquid suction section is respectively connected to the control part and the liquid storage bottle; the control element is used for controlling the flow of the pipette; and

the liquid discharging assembly comprises a liquid pump, a liquid discharging pipe and a liquid injecting piece, and the liquid pump is communicated with one end, far away from the control piece, of the first liquid absorbing section; the liquid discharge pipe is respectively connected with the liquid injection part and the output end of the liquid pump.

Optionally, a liquid storage cavity is arranged inside the liquid storage bottle, and one end of the liquid storage cavity in the axial direction of the liquid storage bottle is an inner end surface; the second liquid suction section is inserted into the liquid storage cavity, and one end, far away from the control piece, of the second liquid suction section abuts against the inner end face.

Optionally, the plate washing mechanism further comprises a liquid collecting pipe, and one end of the liquid collecting pipe is connected to the input end of the liquid pump; the liquid discharge assembly comprises at least two groups, and one ends, far away from the control part, of the first liquid suction sections in the at least two groups of liquid discharge assemblies are respectively connected to the liquid collecting pipe.

Optionally, the drain pipe is flexible.

Optionally, annotate the liquid piece and be cylindric, just annotate the diameter of liquid piece and be not more than the utility model discloses still provide a wash board equipment, including casing and above-mentioned arbitrary one wash the trigger structure, wash trigger structure at least part locate in the casing.

Optionally, a placing rack is arranged on the shell and used for placing the liquid injection piece.

Optionally, the liquid storage bottle is arranged on one side of the shell; the shell comprises a bottom shell and a support, the bottom shell is connected with the support, the support is arranged on one side, facing the liquid storage bottle, of the bottom shell, and the extending direction of the support is parallel to the axial direction of the liquid storage bottle.

Optionally, a connecting seat is arranged on the shell; the second liquid suction section penetrates out of the shell from the connecting seat and is inserted into the liquid storage bottle, and the liquid storage bottle is detachably connected with the connecting seat.

Optionally, the reservoir bottle is threadedly connected to the connecting seat.

Implement the embodiment of the utility model provides a, following beneficial effect has:

in the plate washing equipment of this embodiment, through setting up the plate washing mechanism who has feed liquor subassembly and flowing back subassembly, when washing the board operation, the flow of operation control in order to adjust the pipette, the lotion pump of liquid pump in with the stock solution bottle through the pipette is sent to the fluid-discharge tube, will annotate the liquid spare and aim at the kit, the liquid in the fluid-discharge tube is through annotating the liquid spare injection to in the reagent box to wash it. The plate washing equipment in this embodiment through feed liquor subassembly and flowing back subassembly cooperation, can wash the board operation to the kit conveniently, and it is efficient, the cleaning performance good to wash the board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.

Wherein:

FIG. 1 is a schematic view of a plate washing apparatus in an embodiment of the present invention;

FIG. 2 is an enlarged view of detail A of FIG. 1;

FIG. 3 is an enlarged view of detail B of FIG. 1;

FIG. 4 is a schematic view of another perspective of a plate washing apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic view, partly in section, of a plate washing apparatus in an embodiment of the invention;

in the figure:

10. plate washing equipment; 100. a liquid inlet component; 110. a liquid storage bottle; 111. a liquid storage cavity; 112. an inner end surface; 113. a central shaft; 120. a pipette; 121. a first liquid absorbing section; 122. a second liquid suction section; 130. a control member; 200. a drainage assembly; 210. a liquid pump; 220. a liquid discharge pipe; 230. injecting liquid; 300. a liquid collecting pipe; 400. a housing; 410. a cover plate; 420. a bottom case; 430. a connecting seat; 440. a support; 450. and (5) placing the shelf.

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.

Referring to fig. 1, the embodiment of the present invention provides a plate washing apparatus 10 for performing plate washing operation on an elisa kit, wherein the plate washing apparatus 10 includes a housing 400 and a plate washing mechanism, and the housing 400 is used as an installation carrier for fixedly installing the plate washing mechanism.

Specifically, referring to fig. 1, the plate washing mechanism includes a liquid inlet assembly 100 and a liquid outlet assembly 200, wherein the liquid inlet assembly 100 is used for sucking the washing liquid, and the liquid outlet assembly 200 is used for discharging the washing liquid to wash the reagent kit: as further shown in fig. 2 and 5, the intake assembly 100 comprises a reservoir 110, a pipette 120 and a control member 130, the pipette 120 comprises a first pipette section 121 and a second pipette section 122 connected to each other, one end of the first pipette section 121 is connected to the control member 130, and the second pipette section 122 is connected to the control member 130 and the reservoir 110, respectively; the control 130 is used to control the flow rate of the pipette 120; referring to fig. 1 and 3, the drainage assembly 200 includes a liquid pump 210, a drainage pipe 220 and a liquid injection member 230, wherein the liquid pump 210 is communicated with one end of the first liquid suction segment 121 far away from the control member 130; the liquid discharge pipe 220 is connected to the liquid injection member 230 and the output end of the liquid pump 210; the plate washing mechanism is at least partially disposed within the housing 400.

In the plate washing apparatus 10 of the present embodiment, by providing the plate washing mechanism having the liquid inlet assembly 100 and the liquid discharge assembly 200, when the plate washing operation is performed, the control member 130 is operated to adjust the flow rate of the liquid suction pipe 120, the liquid pump 210 pumps the washing liquid in the reservoir bottle 110 to the liquid discharge pipe 220 through the liquid suction pipe 120, the liquid injection member 230 is aligned with the reagent cartridge, and the liquid in the liquid discharge pipe 220 is injected into the reagent cartridge through the liquid injection member 230 to wash it. Plate washing equipment 10 in this embodiment through feed liquor subassembly 100 and flowing back subassembly 200 cooperation, can wash the board operation to the kit conveniently, and it is efficient, the cleaning performance good to wash the board.

Specifically, referring to fig. 5, a liquid storage cavity 111 is arranged inside the liquid storage bottle 110, one end of the liquid storage cavity 111 in the axial direction of the liquid storage bottle 110 is an inner end surface 112, the axial direction of the liquid storage bottle 110 is the extending direction of the central shaft 113, and referring to the placing state shown in fig. 5, the inner end surface 112 is the bottom surface of the liquid storage cavity 111; the pipette 120 is inserted into the reservoir 111, and an end of the pipette 120 away from the liquid pump 210 is close to the inner end surface 112.

In one embodiment, the end of the second wicking section 122 distal from the control member 130 abuts the inner end surface 112; it can be understood that, when the washing liquid in the reservoir 111 is less, the liquid suction pipe 120 cannot completely discharge the washing liquid in the reservoir 111, and in the plate washing mechanism of the present embodiment, because the second liquid suction section 122 is disposed to abut against the inner end surface 112, when the liquid level of the washing liquid in the reservoir 111 is lower, that is, close to the inner end surface 112, the second liquid suction section 122 can completely discharge the washing liquid in the reservoir 111 as much as possible, so as to avoid the waste of the washing liquid, and the plate washing mechanism has a simple structure and a good use effect. Preferably, a plurality of through holes have been seted up on the outer wall of second imbibition section 122 keeping away from control piece 130 one end to avoid blockking up second imbibition section 122 feed liquor because second imbibition section 122 butt in inner end face 112, excellent in use effect. In other embodiments, a preset distance, which is not greater than 1cm, may be provided between the end of the second liquid suction section 122 away from the control member 130 and the inner end surface 112, so that the liquid suction pipe 120 can be used to drain the washing liquid in the liquid storage cavity 111 as completely as possible.

Further, the plate washing mechanism further comprises a liquid collecting pipe 300, wherein one end of the liquid collecting pipe 300 is connected to the input end of the liquid pump 210; the drainage assembly 200 comprises at least two groups, and one ends of the first liquid suction sections 121 of the at least two groups of drainage assemblies 200, which are far away from the control member 130, are respectively connected to the liquid collecting pipes 300.

Referring to the embodiment shown in fig. 2, the liquid inlet assemblies 100 are provided with two sets, the liquid storage bottles 110 in the two sets of liquid inlet assemblies 100 can be used for holding the same washing liquid, at this time, the control members 130 in the two sets of liquid inlet assemblies 100 do not need to be closed, and the liquid storage bottles 110 in the two sets of liquid inlet assemblies 100 can be simultaneously pumped by starting the liquid pump 210 and conveyed to the liquid discharge pipe 220 together, so that the liquid injection member 230 is used for washing the plate.

In other embodiments, the liquid storage bottles 110 in the two sets of liquid inlet assemblies 100 can also be filled with different washing liquids to meet different washing requirements, and in order to avoid the mutual influence between the two washing liquids, when one of the two washing liquids is used, the control element 130 in the other set of liquid inlet assembly 100 can be closed, so as to avoid the cross contamination between the two washing liquids; when one of the washing liquids is used, the corresponding control member 130 is closed, and the control member 130 of the other set of liquid inlet assemblies 100 is opened, so that the washing liquid is used for cleaning.

In other embodiments, feed liquor subassembly 100 also can set up to three or more than three groups according to the demand, and first section 121 of inhaling among the multiunit feed liquor subassembly 100 all connects in collector tube 300 to can improve the stock solution ability of washing board equipment 10, or can wash the board operation in-process once, use multiple lotion to wash the operation, excellent in use effect to the kit simultaneously.

In one embodiment, drain 220 is flexible. It can be understood that, during the use of the plate washing apparatus 10, the position of the liquid injection member 230 needs to be adjusted to correspond to the reagent kit, which is convenient for washing, and the liquid discharge pipe 220 is flexible, which can facilitate the adjustment operations of twisting, moving, etc. of the liquid injection member 230 to adapt to different plate washing requirements.

In other embodiments, the drain pipe 220 may also be rigid, in the plate washing apparatus 10 of this embodiment, the liquid injection member 230 is in a fixed state, and when the plate washing apparatus 10 is used to wash a reagent kit, the reagent kit needs to be placed in a preset washing position, so that the liquid injection member 230 corresponds to the reagent kit.

In one embodiment, the pipette 120 is flexible; in this embodiment, the control member 130 may also be an elastic clip, the elastic clip is clamped on the pipette 120, and the elastic clip is adjusted to adjust the section of the pipeline in the pipette 120, so as to adjust the diameter of the pipe in the pipette 120, thereby achieving the function of controlling the flow rate; in other embodiments, the control element 130 may also be a liquid solenoid valve, and the control accuracy is improved by electrically controlling to realize the function of adjusting the flow rate.

Further, the injection member 230 is cylindrical, and the diameter of the injection member 230 is not more than 2 cm. Referring to the embodiment shown in fig. 3 and 4, the injection member 230 is substantially a pen-holder-shaped structure, the diameter of the injection member 230 is set to be not more than 2cm, so that a technician can conveniently hold the injection member 230, and the injection member 230 has a small volume, is convenient to hold and operate, and is convenient to use.

Further, a placing frame 450 is arranged on the casing 400, and the placing frame 450 is used for placing the liquid injection member 230. With the arrangement, after the plate washing device 10 is used, the liquid injection piece 230 can be placed on the placing frame 450, so that the plate washing device can be used for plate washing operation next time, and is convenient to use. Specifically, the injection member 230 and the holder 450 may be matched by insertion, and after the injection member 230 is used, it may be inserted into the holder 450 to be fixed; in other embodiments, the liquid injection member 230 and the placement frame 450 may be magnetically attracted, and after the liquid injection member 230 is used, the liquid injection member can be attracted to the placement frame 450 under the action of magnetic force, so that the use is convenient.

Further, the liquid storage bottle 110 is disposed at one side of the housing 400; the housing 400 includes a bottom case 420 and a bracket 440 connected to each other, the bracket 440 is disposed on a side of the bottom case 420 facing the liquid storage bottle 110, and an extending direction of the bracket 440 is parallel to the central axis 113.

Referring to fig. 4, in an embodiment, the reservoir 110 is located at a lower side of the bottom case 420, and the bracket 440 is disposed at a side of the bottom case 420 facing the reservoir 110, so that when the reservoir 110 is connected to the pipette 120, the plate washing apparatus 10 is supported by the bracket 440, which not only provides a stable supporting effect for the casing 400, but also prevents the joint of the reservoir 110 and the casing 400 from being stressed, and has a good use effect.

In this embodiment, the surface of the bottom case 420 facing the liquid storage bottle 110 is substantially rectangular, and the number of the brackets 440 is four, and the brackets are respectively located at four corners of the bottom case 420, so as to provide a stable support for the bottom case 420; in other embodiments, two brackets 440 may be provided, and the two brackets 440 are i-shaped and are disposed on two opposite sides of the liquid storage bottle 110 in the horizontal direction; in some embodiments, the number of the brackets 440 may be three, five, or more than five, and a plurality of brackets 440 connected to the bottom chassis 420 may provide a stable supporting effect for the bottom chassis 420.

Specifically, referring to fig. 4 and 5, the housing 400 is provided with a connection seat 430; the second liquid absorbing section 122 extends out of the housing 400 from the connecting base 430 and is inserted into the liquid storage bottle 110, and the liquid storage bottle 110 is detachably connected with the connecting base 430.

Through set up the connecting seat 430 of connecting in stock solution bottle 110 on drain pan 420, can fix a position the relative position between stock solution bottle 110 and casing 400 on the one hand to make stock solution bottle 110 can connect pipette 120 steadily, connect stock solution bottle 110 through connecting seat 430 simultaneously, also can avoid when washing board equipment 10 removes, the position between stock solution bottle 110 and the casing 400 changes and leads to pipette 120 to deviate from in the stock solution bottle 110, the connection stability of washing board equipment 10 can improve, excellent in use effect.

Specifically, in one embodiment, the reservoir 110 is threadedly coupled to the coupling base 430. When the plate washing apparatus 10 of the present embodiment is used, the reservoir bottle 110 is first moved from the bottom up to insert the pipette 120 into the reservoir chamber 111, and after the reservoir bottle 110 contacts the connection base 430, the reservoir bottle 110 is screwed to the connection base 430 by rotating the reservoir bottle 110, so that the reservoir bottle 110 can be stably fixed to the housing 400; when the liquid storage bottle 110 needs to be detached, the liquid storage bottle 110 can be detached from the shell 400 by reversely rotating the liquid storage bottle 110, and the liquid storage bottle is convenient to detach and install.

In other embodiments, stock solution bottle 110 and the cooperation of connecting seat 430 joint, that is to say, in this embodiment, stock solution bottle 110 is connected with drain pan 420 accessible buckle, and the convenient dismouting of stock solution bottle 110 can be realized to the joint cooperation through buckle structure in the dismouting in-process, excellent in use effect.

Specifically, in an embodiment, the housing 400 further includes a cover plate 410 rotatably connected to the bottom case 420, the cover plate 410 is covered on the bottom case 420 to form a receiving space inside the housing 400, and referring to the embodiment shown in fig. 1, the second liquid suction section 122, the control member 130, the liquid pump 210 and the liquid collecting tube 300 are all disposed in the receiving space, when the cover plate 410 is covered on the bottom case 420, the receiving space can be in a closed state to protect the internal components.

Further, the drainage assembly 200 further comprises a control switch (not shown in the figure) for controlling the flow rate of the liquid injection member 230; specifically, in one embodiment, the control switch is a flow control switch, which is disposed on the liquid injection member 230, when the control switch is pressed, the liquid injection member 230 is turned on, the washing liquid in the liquid discharge pipe 220 can be discharged through the liquid injection member 230, and when the control switch is released, the liquid injection member 230 is turned off, and the washing liquid cannot be discharged.

In another embodiment, the control switch is an electrical switch and is electrically connected to the liquid pump 210 to electrically control the liquid pump 210, when the plate washing apparatus 10 of the present embodiment is used, the control switch is pressed to start the liquid pump 210, the liquid pump 210 pumps the washing liquid to discharge the washing liquid from the liquid injection member 230, when the control switch is released, the liquid pump 210 is turned off, and the washing liquid cannot be discharged from the liquid injection member 230, so that the use effect is good.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A plate washing mechanism for an enzyme linked immunosorbent assay kit, which is characterized by comprising:

2. The plate washing mechanism according to claim 1, wherein a reservoir cavity is arranged inside the reservoir bottle, and one end of the reservoir cavity in the axial direction of the reservoir bottle is an inner end surface; the second liquid suction section is inserted into the liquid storage cavity, and one end, far away from the control piece, of the second liquid suction section abuts against the inner end face.

3. The plate washing mechanism as recited in claim 1, further comprising a liquid collection tube, one end of the liquid collection tube being connected to an input of the liquid pump; the liquid discharge assembly comprises at least two groups, and one ends, far away from the control part, of the first liquid suction sections in the at least two groups of liquid discharge assemblies are respectively connected to the liquid collecting pipe.

4. The plate washing mechanism as recited in claim 1, wherein the drain tube is flexible.

5. The plate washing mechanism as recited in claim 1, wherein the injection member is cylindrical and has a diameter of no more than 2 cm.

6. A plate washing apparatus comprising a housing and a plate washing mechanism according to any one of claims 1-5, which is at least partly arranged in the housing.

7. The plate washing apparatus according to claim 6, wherein a placing rack is provided on the housing, and the placing rack is used for placing the liquid injection member.

8. The plate washing apparatus as claimed in claim 6, wherein the reservoir is provided at one side of the housing; the shell comprises a bottom shell and a support, the bottom shell is connected with the support, the support is arranged on one side, facing the liquid storage bottle, of the bottom shell, and the extending direction of the support is parallel to the axial direction of the liquid storage bottle.

9. The apparatus according to claim 6, wherein the housing is provided with a connecting seat; the second liquid suction section penetrates out of the shell from the connecting seat and is inserted into the liquid storage bottle, and the liquid storage bottle is detachably connected with the connecting seat.

10. A plate washing apparatus according to claim 9, wherein the reservoir is threadedly connected to the connection socket.