CN213856173U

CN213856173U - Simple biochemical reaction cup cleaning module and cleaning device

Info

Publication number: CN213856173U
Application number: CN202022390695.2U
Authority: CN
Inventors: 马杰; 陈昭宇; 谭福登
Original assignee: Shenzhen Rayto Life And Analytical Sciences Co ltd
Current assignee: Shenzhen Rayto Life And Analytical Sciences Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-08-03
Anticipated expiration: 2030-10-23

Abstract

The utility model provides a simple and easy type biochemical reaction cup cleaning module and belt cleaning device relates to hollow article belt cleaning device's technical field, for solving prior art, the part that reaction cup cleaning module exists is many, the technical problem that the structure is complicated, the technical scheme of the utility model as follows: the cleaning device comprises a liquid inlet pipe, a liquid suction pipe and a cleaning head, wherein the cleaning head is provided with an inner cavity along the length direction, the liquid inlet pipe and the liquid suction pipe are respectively communicated with the inner cavity, and the cleaning head is also provided with a liquid passing port communicated with the inner cavity; and cleaning liquid enters the inner cavity from the liquid inlet pipe and is sprayed out from the liquid passing port, and the cleaning liquid flows back through the liquid passing port and the liquid suction pipe after washing the reaction cup to be cleaned.

Description

Simple biochemical reaction cup cleaning module and cleaning device

Technical Field

The utility model relates to a hollow article belt cleaning device's technical field, in particular to simple and easy type biochemical reaction cup cleaning module.

Background

The automatic biochemical analyzer is one of the most frequently used important analytical instruments in clinical examination, has important significance in aspects of auxiliary diagnosis, curative effect detection, health examination, drug abuse and the like, and has the advantages of high measurement speed, high accuracy, small reagent consumption, simplicity and convenience in operation and the like. The full-automatic biochemical analyzer adopts the photoelectric colorimetric principle, carries out automatic operation on the steps of sampling, reagent adding, uniform mixing, heat preservation reaction, detection, result calculation, display, cleaning and the like in the analysis process, measures a certain specific chemical component in body fluid, and is an essential instrument for medical treatment, disease control units and biological research at all levels.

The reaction cup is a tool for containing a sample, and is required to be used in the processes of sampling, reagent adding, uniform mixing and the like, and the used reaction cup is washed by a cleaning device and then sterilized for later use.

The cleaning module is an important component of the cleaning device, the simple biochemical reaction cup cleaning module on the market at present is composed of a plurality of groups of cleaning needles and a plurality of groups of wiping heads, the cleaning needles are arranged at the front end, and the wiping heads are arranged at the rear end. The components and the layout mode relate to a plurality of parts and complex structure, so that the whole equipment occupies large space and has high manufacturing cost.

SUMMERY OF THE UTILITY MODEL

For solving prior art, the technical problem that the part that reaction cup washs the module existence is many, the structure is complicated, the technical scheme of the utility model as follows:

on the one hand, the utility model provides a simple and easy type biochemical reaction cup washs module, it designs based on belt cleaning device among the prior art, wash module in this application installs on belt cleaning device's mounting bracket, the mounting bracket drives the washing module motion through the motion mode of similar arm, belt cleaning device's liquid way system provides the washing liquid for washing module, this washing module's outside is located to reaction cup cover after using washs, the booster pump through liquid way system provides the washing liquid that has certain pressure, wash reaction cup after, by liquid way system's negative pressure pump with waste liquid recovery.

Specifically, the utility model provides a simple and easy type biochemical reaction cup cleaning module includes: the liquid inlet pipe is connected with a booster pump pipeline of the liquid path system. The pipette is connected with the negative pressure pump pipeline of the liquid path system. The cleaning head is provided with an assembly part and an extension part, wherein the assembly part is connected with the cleaning device mounting frame and used for fixing the whole cleaning module, and the extension part extends into the reaction cup to be cleaned and is a main operation part of the cleaning module; the cleaning head is provided with an inner cavity along the length direction, the liquid inlet pipe and the liquid suction pipe are respectively communicated with the inner cavity, and the cleaning head is also provided with a liquid passing port communicated with the inner cavity.

The utility model discloses a work flow does:

one, get into the booster pump and the negative pressure pump that reaction rim of a cup alright open liquid path system in step when wiping head portion of stretching into, feed liquor pipe notes liquid and pipette imbibition go on in step, before the front end of wiping the head does not contact reaction cup interior liquid level, because the air can be by wiping head and the relation that a reaction cup clearance department got into along an arrow point in a large number, the suction of pipette can not influence the notes liquid of feed liquor pipe, the washing liquid is along arrow point in the direction, in the inner chamber and the liquid mouth of crossing of wiping the head in proper order and pour into the reaction cup smoothly, realize washing the purpose of soaking.

Secondly, along with the rapid rising of the liquid level in the reaction cup and the descending movement of the wiping head, when the extending part of the wiping head is contacted with the liquid level in the reaction cup, air is blocked by liquid and cannot enter the inner cavity of the wiping head. At the moment, the suction force of the liquid suction pipe directly acts on the liquid in the reaction cup, a large amount of cleaned waste liquid is discharged through the liquid suction pipe in the direction indicated by the arrow III, and the liquid in the reaction cup cannot be accumulated and overflow because the flow rate of the liquid suction pipe is greater than that of the liquid inlet pipe. When the wiping head descends all the time until the extending part contacts with the cup bottom, the liquid inlet pipe is closed, and the liquid suction pipe is continuously opened, so that the aim of quickly pumping liquid in the cup can be fulfilled.

And thirdly, after the liquid in the cup is completely sucked, finally closing the liquid suction pipe, and simultaneously lifting the wiping head of the cleaning device away from the reaction cup to finish cleaning the reaction cup.

The simple biochemical reaction cup cleaning module can realize two functions of liquid inlet and liquid outlet by establishing a liquid passage in the cleaning head, and compared with the traditional cleaning module, the simple biochemical reaction cup cleaning module has fewer parts, simple and compact structure and low production and processing cost; the reaction cup can be flushed and the waste liquid can be recycled, the cleaning speed is high, the cleaning effect is good, and the waste liquid amount is low; the liquid level in the reaction cup can not exceed the front end of the wiping head according to the design principle, and the risk of overflowing of the cleaning liquid is reduced.

In one possible design, the wiping head is of an integrally formed structure and is formed by plastic injection molding. The structure has good integrity and high strength.

In a possible design, the cleaning head is of a split assembly structure, the cleaning module can be disassembled and assembled, the cleaning module can be sterilized, and meanwhile, all parts can be universal, and compared with an integrally formed structure, the cleaning head has stronger universality and more possibility of recycling.

Specifically, the wiping head comprises an upper cover and a body; the inner cavity and the liquid passing port are formed in the body, the body is further provided with a mounting groove matched with the upper cover, and the upper cover is connected with the mounting groove in a sealing mode.

In a possible design, the upper cover is disposed at the rear end of the body, the upper cover is provided with at least two mounting holes communicated with the inner cavity, and the liquid inlet pipe and the liquid suction pipe are respectively connected with the mounting holes in a sealing manner to fix the liquid inlet pipe and the liquid suction pipe.

In one possible design, the number of the mounting holes is more than three, the mounting holes are arranged in a mode that one mounting hole is used as a circle center, other mounting holes are used as annular arrays, the liquid inlet pipe is located in the mounting hole at the circle center, and the plurality of liquid suction pipes are located in the mounting holes of the annular arrays. The liquid inlet pipe is one, the liquid suction pipes are multiple, and the flow of the liquid suction pipes can be guaranteed to be larger than that of the liquid inlet pipe.

In one possible design, a connecting hole is formed in the wall of the mounting groove, and the upper cover is fixed by a plug-in connecting piece in the connecting hole. The connecting piece of the pin or the bolt is driven into the connecting hole and then is abutted to the outer wall of the upper cover to fix the upper cover.

Optionally, the joint of the upper cover and the mounting groove is further provided with a coordination hole corresponding to the position of the connection hole, and the driven pin or bolt is connected with the coordination hole to circumferentially position the upper cover.

In a possible design, the liquid passing port is formed in the front end face of the body and can be directly contacted with the bottom of the reaction cup, and when the liquid suction pipe works, the waste liquid at the bottom of the reaction cup can be completely sucked out.

In a possible design, the front end face of the body is further provided with a diversion trench, and the diversion trench communicates the liquid passing port with the edge of the body.

Preferably, the structure of guiding gutter is the rice font to treat that the reaction cup that washs is the cuboid, the terminal surface is the square before the body for the example, the rice font guiding gutter will cross four limits and four summits of liquid mouth and body intercommunication, because the size of body slightly is less than the inside size of reaction cup, after the body got into the reaction cup, four sides of terminal surface were hugged closely four faces of reaction cup before the body, and four summits hug closely four vertical stupefied of reaction cup, make from this cross the inside waste liquid that covers and then can be abundant absorption reaction cup that covers completely of absorption effective face that the liquid mouth produced.

In a possible design, the shape of the body corresponds to the internal shape of the reaction cup to be cleaned, so that the front end face of the body can completely cover the interior of the reaction cup, the operation efficiency when the waste liquid is sucked out is further ensured, and the wall-hung waste liquid on the inner wall of the reaction cup can be completely sucked out by single movement.

In a possible design, the body is also provided with a slope surface for limiting, and the assembling part and the extending part are separated, namely, the assembling part is larger than the reaction cup in size, and after the extending part enters the reaction cup, the extending part is prevented from further entering the reaction cup at the slope surface.

On the other hand, the utility model also provides a simple and easy type biochemical reaction cup belt cleaning device, including foretell simple and easy type biochemical reaction cup cleaning module, mounting bracket and liquid way system.

Drawings

FIG. 1 is a schematic diagram of a cleaning module and a reaction cup according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a cleaning module according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the present invention showing a cleaning module in operation;

fig. 4 is a cross-sectional view of the cleaning module in operation under another scenario provided by an embodiment of the present invention;

fig. 5 is a schematic view of a body provided in an embodiment of the present invention;

fig. 6 is a schematic view of an upper cover according to an embodiment of the present invention.

Reference numerals: 10. a liquid inlet pipe; 20. a pipette; 30. a wiping head; 31. an upper cover; 311. mounting holes; 3111. a liquid inlet pipe mounting hole; 3112. a pipette mounting hole; 32. a body; 321. an inner cavity; 322. a liquid passing port; 323. mounting grooves; 324. a diversion trench; 33. a slope surface; 34. an assembling portion; 35. an insertion portion; 40. a reaction cup; 50. connecting holes; 61. arrow one; 62. arrow two; 63. and arrow three.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "side", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on installation, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

It should be noted that, in the embodiments of the present invention, the same reference numerals are used to denote the same components or parts, and for the same components or parts in the embodiments of the present invention, only one of the components or parts may be used as an example to denote the reference numeral in the drawings, and it should be understood that the reference numerals are also applicable to other similar components or parts.

In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

As shown in fig. 1-2, this embodiment provides a simple biochemical reaction cup cleaning module, which is designed based on a cleaning device in the prior art, the cleaning module in this application is installed on an installation frame of the cleaning device, the installation frame drives the cleaning module to move through a motion mode similar to a mechanical arm, a liquid path system of the cleaning device provides cleaning liquid for the cleaning module, the used reaction cup 40 is covered outside the cleaning module for cleaning, the cleaning liquid with a certain pressure is provided by a booster pump of the liquid path system, and after the reaction cup 40 is washed, the waste liquid is recovered by a negative pressure pump of the liquid path system.

Specifically, the simple biochemical reaction cup cleaning module in this embodiment includes: and the liquid inlet pipe 10 is connected with a booster pump pipeline of the liquid path system. And a pipette 20 connected to the negative pressure pump line of the liquid line system. The wiping head 30 is provided with an assembling part 34 and an extending part 35, wherein the assembling part 34 is connected with the cleaning device mounting frame and used for fixing the whole cleaning module, and the extending part 35 extends into the reaction cup 40 to be cleaned and is a main operation part of the cleaning module; the wiping head 30 is provided with an inner cavity 321 along the length direction, the liquid inlet pipe 10 and the pipette 20 are respectively communicated with the inner cavity 321, and the wiping head 30 is also provided with a liquid passing port 322 communicated with the inner cavity 321.

As shown in fig. 3-4, the work flow of this embodiment is:

firstly, when the extension part 35 of the wiping head 30 enters the mouth of the reaction cup 40, a booster pump and a negative pressure pump of a liquid path system can be synchronously started, liquid injection of the liquid inlet pipe 10 and liquid absorption of the liquid suction pipe 20 are synchronously carried out, before the front end of the wiping head 30 is not contacted with the liquid level in the reaction cup 40, because air can enter from the gap between the wiping head 30 and the reaction cup 40 along the arrow I61 in a large amount, the suction force of the liquid suction pipe 20 cannot influence the liquid injection of the liquid inlet pipe 10, and cleaning liquid sequentially passes through the inner cavity 321 of the wiping head 30 and the liquid passing mouth 322 along the arrow II 62 and is smoothly injected into the reaction cup 40, so that the purpose of flushing and soaking is realized.

Secondly, with the rapid rising of the liquid level in the reaction cup 40 and the descending movement of the wiping head 30, when the protruding part 35 of the wiping head 30 contacts with the liquid level in the reaction cup 40, air is blocked by the liquid and cannot enter the inner cavity 321 of the wiping head 30. At this time, the suction force of pipette 20 directly acts on the liquid in reaction cup 40, a large amount of the waste liquid after washing is discharged through pipette 20 in the direction indicated by arrow three 63, and since the flow rate of pipette 20 is larger than that of liquid inlet pipe 10, the liquid in reaction cup 40 does not overflow. When the wiping head 30 descends until the extending part 35 contacts with the bottom of the cup, the liquid inlet pipe 10 is closed, and the liquid suction pipe 20 is continuously opened, so that the aim of quickly pumping the liquid in the cup can be fulfilled.

Thirdly, after the liquid in the cup is completely sucked, finally, the pipette 20 is closed, and the wiping head 30 of the cleaning device is lifted to be separated from the reaction cup 40, so that the reaction cup 40 is cleaned.

The simple biochemical reaction cup cleaning module in the embodiment can realize two functions of liquid inlet and liquid outlet by establishing a liquid passage in the wiping head 30, and compared with the traditional cleaning module, the simple biochemical reaction cup cleaning module has the advantages of fewer used parts, simple and compact structure and low production and processing cost; the reaction cup 40 can be flushed and the waste liquid can be recycled, the cleaning speed is high, the cleaning effect is good, and the waste liquid amount is low; the liquid level in the reaction cup 40 can not exceed the front end of the wiping head 30 from the design principle, and the risk of overflowing the cleaning liquid is reduced.

In one embodiment, the wiping head 30 is a one-piece structure that is formed by plastic injection molding. The structure has good integrity and high strength.

As shown in fig. 5-6, in an embodiment, the wiping head 30 is a separate assembly structure, which can be assembled and disassembled to facilitate the disinfection and sterilization of the cleaning module itself, and the parts can be used in common, so that the cleaning head has stronger versatility and more recycling possibility compared with an integrally formed structure.

Specifically, the wiping head 30 includes an upper cover 31 and a body 32; the inner cavity 321 and the liquid passing port 322 are arranged on the body 32, the body 32 is further provided with a mounting groove 323 matched with the upper cover 31, and the upper cover 31 is hermetically connected with the mounting groove 323.

In one embodiment, the top cover 31 is disposed at the rear end of the body 32, the top cover 31 defines at least two mounting holes 311 communicating with the inner cavity 321, and the liquid inlet pipe 10 and the liquid suction pipe 20 are hermetically connected to the mounting holes 311 for fixing the liquid inlet pipe 10 and the liquid suction pipe 20.

As shown in fig. 6, in one embodiment, the number of the mounting holes 311 is four, one liquid inlet pipe mounting hole 3111 and three liquid suction pipe mounting holes 3112, the liquid inlet pipe mounting hole 3111 being a circle center, the three liquid suction pipe mounting holes 3112 being arranged in a circular array. One liquid inlet pipe 10 and three liquid suction pipes 20 can ensure that the flow of the liquid suction pipes 20 is larger than that of the liquid inlet pipe 10.

In one embodiment, the wall of the mounting groove 323 is provided with a connecting hole 50, and a connecting member is inserted into the connecting hole 50 to fix the upper cover 31. A fastener of a pin or a bolt is driven through the connection hole 50 and is abutted against the outer wall of the upper cover 31 to fix the upper cover 31.

Optionally, the joint of the upper cover 31 and the mounting groove 323 is further provided with a positioning hole corresponding to the position of the connecting hole 50, and a driven pin or bolt is connected with the positioning hole to circumferentially position the upper cover 31.

In one embodiment, the liquid passing port 322 is opened at the front end surface of the body 32 and directly contacts with the bottom of the cuvette 40, so as to ensure that the waste liquid at the bottom of the cuvette 40 can be completely sucked out during the operation of the pipette 20.

In one embodiment, the front end surface of the body 32 is further provided with a guiding groove 324, and the guiding groove 324 communicates the liquid passing port 322 with the edge of the body 32.

As shown in fig. 5, preferably, the guiding groove 324 is in a shape of a meter, taking the reaction cup 40 to be cleaned as a cuboid and the front end surface of the body 32 as a square as an example, the guiding groove 324 in the shape of a meter communicates the liquid passing port 322 with four sides and four vertexes of the body 32, and since the size of the body 32 is slightly smaller than the internal size of the reaction cup 40, after the body 32 enters the reaction cup 40, the four sides of the front end surface of the body 32 are tightly attached to the four surfaces of the reaction cup 40, and the four vertexes are tightly attached to the four vertical ridges of the reaction cup 40, so that the effective suction surface generated by the liquid passing port 322 completely covers the inside of the reaction cup 40, and further, waste liquid on the reaction cup 40 can be sufficiently sucked.

In one embodiment, the shape of the main body 32 corresponds to the shape of the interior of the cuvette 40 to be cleaned, so that the front end surface of the main body 32 can fully cover the interior of the cuvette 40, thereby ensuring the operation efficiency when the waste liquid is sucked out, and the wall-hanging waste liquid on the inner wall of the cuvette 40 can be completely sucked out by a single movement.

In one embodiment, the body 32 further has a slope 33 for limiting the distance between the mounting portion 34 and the protruding portion 35, i.e., the mounting portion 34 is larger than the reaction cup 40, and the protruding portion 35 is prevented from further entering the reaction cup 40 at the slope 33 after entering the reaction cup 40.

The embodiment also provides a simple biochemical reaction cup cleaning device, which comprises the simple biochemical reaction cup cleaning module, an installation frame and a liquid path system.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a simple and easy type biochemical reaction cup washs module which characterized in that includes:

a liquid inlet pipe (10);

a pipette (20);

the cleaning head (30) is provided with an inner cavity (321) along the length direction, the liquid inlet pipe (10) and the pipette (20) are respectively communicated with the inner cavity (321), and the cleaning head (30) is also provided with a liquid passing port (322) communicated with the inner cavity (321);

cleaning liquid enters the inner cavity (321) from the liquid inlet pipe (10) and is sprayed out from the liquid passing port (322), and the reaction cup (40) to be cleaned is washed and then flows back through the liquid passing port (322), the inner cavity (321) and the pipette (20).

2. The simplified biochemical reaction cup cleaning module according to claim 1, wherein the wiping head (30) comprises an upper cover (31) and a body (32); the inner cavity (321) and the liquid passing port (322) are arranged on the body (32), the body (32) is further provided with an installation groove (323) matched with the upper cover (31), and the upper cover (31) is in sealing connection with the installation groove (323).

3. The simplified biochemical reaction cup cleaning module according to claim 2, wherein the upper cover (31) is disposed at a rear end of the body (32), the upper cover (31) defines at least two mounting holes (311) communicating with the inner cavity (321), and the liquid inlet pipe (10) and the liquid suction pipe (20) are respectively connected to the mounting holes (311) in a sealing manner.

4. The simplified biochemical reaction cup cleaning module according to claim 3, wherein the number of the mounting holes (311) is more than three, and the mounting holes (311) are arranged in a circular array with one mounting hole (311) as a center, the other mounting holes (311) as a center, the liquid inlet pipe (10) is located in the mounting hole (311) at the center, and the plurality of the liquid suction pipes (20) are located in the mounting holes (311) in the circular array.

5. The simplified biochemical reaction cup cleaning module according to claim 4, wherein a connecting hole (50) is formed in a wall of the mounting groove (323), and a connecting member is inserted into the connecting hole (50) to fix the upper cover (31).

6. The simplified biochemical reaction cup cleaning module according to claim 2, wherein the liquid passing port (322) is opened at a front end surface of the body (32).

7. The simple biochemical reaction cup cleaning module according to claim 6, wherein a flow guide groove (324) is further formed in a front end surface of the body (32), and the flow guide groove (324) communicates the liquid passing port (322) with an edge of the body (32).

8. The simplified biochemical reaction cup cleaning module according to claim 2, wherein the body (32) has a shape corresponding to an inner shape of the reaction cup (40) to be cleaned.

9. The simplified biochemical reaction cup cleaning module according to claim 2, wherein the body (32) further has a slope (33) for limiting.

10. A simplified biochemical reaction cup cleaning device, comprising the simplified biochemical reaction cup cleaning module, a mounting rack and a liquid path system according to any one of claims 1 to 9.