CN218049310U

CN218049310U - Application of sample needle belt cleaning device

Info

Publication number: CN218049310U
Application number: CN202222479678.5U
Authority: CN
Inventors: 高超; 李川
Original assignee: Nanjing Yilanbei Biotechnology Co ltd
Current assignee: Nanjing Yilanbei Biotechnology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-16
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a sample adding needle cleaning device, which comprises a cleaning pool, wherein the cleaning pool comprises a pool body and two flushing pipes, the two flushing pipes are symmetrically arranged at two sides of the pool body, and the water outlets of the two flushing pipes are oppositely arranged; the bottom of the tank body is provided with a drain hole. The device can clean the sample adding needle in all directions without dead angles, no residue is left after cleaning, and interference of incomplete needle washing on reaction and detection results is eliminated to the maximum extent.

Description

Application of sample needle belt cleaning device

Technical Field

The utility model relates to an external diagnosis technical field especially relates to a application of sample needle belt cleaning device.

Background

In the use process of the full-automatic biochemical analyzer, because the sample adding needle, the sample cup, the reaction cup, the reagent cup and other instrument parts are repeatedly and alternately used among different projects and different samples in the test process, cross contamination is easy to occur in the test process. Once cross contamination occurs, the accuracy and reliability of the detection result are directly influenced.

At present, the cleaning pool of the full-automatic biochemical analyzer in the market is mostly used for simply cleaning the needle head through one-side fountain type water outlet, and due to the problem of cleaning angles, the sample adding needle after cleaning still has the problem of incomplete cleaning or residue after cleaning, so that the accuracy of an experiment is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art not enough, the utility model aims at providing a loading needle belt cleaning device, it can realize the washing at all-round no dead angle to the loading needle, and does not have after the washing and remain, and the at utmost gets rid of the interference that the syringe needle washing is not clean to reaction, testing result.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

a cleaning device for a sample adding needle comprises a cleaning pool, wherein the cleaning pool comprises a pool body and two flushing pipes, the two flushing pipes are symmetrically arranged on two sides of the pool body, and water outlets of the two flushing pipes are oppositely arranged; the bottom of the tank body is provided with a drain hole.

Preferably, the diameter of the water inlet of the flushing pipe is larger than that of the water outlet.

Preferably, the area of the drain hole is not less than the sum of the areas of the water outlets of the two flushing pipes.

Preferably, the washing machine further comprises a water supply assembly connected with the flushing pipe and a water drainage assembly connected with the water drainage hole.

Preferably, the water supply assembly comprises a first pump body, a filter, a pure water tank and a second pump body, the pure water tank is communicated with an external water source through a pipeline, and the first pump body and the filter are sequentially arranged on the pipeline between the external water source and the pure water tank; the pure water tank is communicated with the flushing pipe through a pipeline, and the second pump body is arranged on the pipeline between the flushing pipe and the pure water tank.

Preferably, a liquid level meter is arranged in the pure water tank.

Preferably, the water supply assembly further comprises a three-way pipe fitting, and the pipelines between the two flushing pipes and the pure water tank are connected through the three-way pipe fitting; the second pump body is positioned between the three-way pipe fitting and the pure water tank.

Preferably, a first electromagnetic valve is arranged on a pipeline between the pure water tank and an external water source, and a second electromagnetic valve is arranged on a pipeline between the pure water tank and the three-way pipe fitting.

Preferably, the drainage assembly comprises a waste liquid barrel which is communicated with the drainage hole through a pipeline.

Compared with the prior art, the beneficial effects of the utility model reside in that: different from the unilateral among the prior art and wash, arrange the application of sample needle between two delivery ports in and can realize washing to the whole body simultaneously, and the waste water after washing directly discharges through the wash port, can not cause secondary pollution and remain with application of sample needle secondary contact, has solved application of sample needle and has washed not thoroughly or have remaining problem after wasing, guarantees the accuracy of experiment.

Drawings

FIG. 1 is a schematic structural view of a cleaning tank of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural diagram of an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another embodiment of the present invention;

wherein, 1 is a cleaning pool, 11 is a pool body, 12 is a flushing pipe, 13 is a drain hole, 21 is a first pump body, 22 is a filter, 23 is a pure water tank, 24 is a second pump body, 25 is a three-way pipe fitting, 26 is a first electromagnetic valve, 27 is a second electromagnetic valve, 28 is a liquid level meter, 30 is a waste liquid barrel, and 4 is a sample adding needle.

Detailed Description

In order to make those skilled in the art understand the technical solutions in the embodiments of the present invention better and make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the following description of the technical solutions in the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, in order to provide the sample adding needle cleaning device of the present invention, the cleaning device includes a cleaning tank 1, the cleaning tank 1 includes a tank body 11 and two flushing pipes 12, the two flushing pipes 12 are symmetrically disposed at two sides of the tank body 11, water outlets of the two flushing pipes 12 are disposed oppositely, when water flows out from the water outlets, it can be ensured that each angle of the sample adding needle at the two water outlets is washed; the bottom of the tank body 11 is provided with a drain hole 13. Different from the unilateral washing among the prior art, arrange the application of sample needle 4 between two delivery ports in and can realize washing to the whole body simultaneously, and the waste water after washing directly discharges through wash port 13, can not cause secondary pollution and remain with application of sample needle 4 secondary contact, has solved application of sample needle 4 and has washed thoroughly or has remaining problem after wasing, guarantees the accuracy of experiment.

Specifically, the diameter of the inlet of the flush tube 12 is greater than the diameter of the outlet, which facilitates the flush pressure at the outlet of the flush tube 12. In the preferred scheme, the water outlet ends of the flushing pipes 12 are both arranged obliquely downwards, so that horizontal hedging of water flows of the two flushing pipes 12 is reduced, and the splashing of liquid is reduced.

Specifically, the area of the drain hole 13 is not less than the sum of the areas of the water outlets of the two flushing pipes 12. Under the condition of normal flow velocity, the sewage after cleaning can be ensured to be discharged out of the pool body 11 as soon as possible, and secondary pollution to the sample adding needle is avoided.

Referring to fig. 3, in one embodiment, the present invention further includes a water supply assembly connected to the wash pipe 12 and a water discharge assembly connected to the water discharge hole 13. The water supply assembly comprises a first pump body 21, a filter 22, a pure water tank 23 and a second pump body 24, the pure water tank 23 is communicated with an external water source through a pipeline, the first pump body 21 and the filter 22 are sequentially arranged on the pipeline between the external water source and the pure water tank 23, and the external water source enters the pure water tank 23 for flushing after being filtered by the filter 22 under the action of the first pump body 21; the deionized water tank 23 is connected to the flushing pipe 12 via a pipe, the second pump body 24 is provided in the pipe between the flushing pipe 12 and the deionized water tank 23, and the deionized water in the deionized water tank 23 is discharged through the flushing pipe 12 by the action of the second pump body 24 to flush the sampling needle 4.

In a preferred embodiment, a liquid level meter 28 for monitoring the liquid level is provided in the deionized water tank 23, and the liquid level in the deionized water tank 23 is adjusted by controlling the opening and closing of the first pump 21 through the monitoring of the liquid level meter 28. The water supply assembly also comprises a three-way pipe fitting 25, and the pipelines between the two flushing pipes 12 and the pure water tank 23 are connected through the three-way pipe fitting 25; the second pump body 24 is positioned between the three-way pipe 25 and the pure water tank 23, and the pure water of the two pipelines is conveyed by the single pump body through the three-way pipe 25. In order to facilitate control of the water delivery state of each pipeline, a first electromagnetic valve 26 is provided on the pipeline between the pure water tank 23 and the external water source, and a second electromagnetic valve 27 is provided on the pipeline between the pure water tank 23 and the tee pipe 25. The second electromagnetic valve 27 can be a combined electromagnetic valve, which can control the second pump body 24 to supply water to the flushing pipe 12 and can also control the water flow in the pipeline, thereby being convenient for better realizing the flow adjustment at the water outlet of the flushing pipe 12.

Specifically, the drainage assembly comprises a waste liquid barrel 30, and the waste liquid barrel 30 is communicated with the drainage hole 13 through a pipeline and is used for collecting the flushed waste liquid in time.

Referring to fig. 4, in another embodiment, based on the apparatus of fig. 3, parallel connection of multiple sets of washing tanks 1 can be achieved by means of multiple tee fittings 25.

The utility model discloses when using: pure water filtered by the filter 22 is pumped into the pure water tank 23, then the second pump body 24 is started, pure water is pumped into the two flushing pipes 12, the pure water flows out through the two water outlets, a dynamic opposite flushing water flow is formed between the two water outlets, and the sample adding needle is arranged between the two water outlets, so that the full cleaning can be realized.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The sample adding needle cleaning device is characterized by comprising a cleaning pool, wherein the cleaning pool comprises a pool body and two flushing pipes, the two flushing pipes are symmetrically arranged on two sides of the pool body, and water outlets of the two flushing pipes are oppositely arranged; the bottom of the tank body is provided with a drain hole.

2. The loading needle cleaning device of claim 1, wherein the diameter of the inlet of the flush tube is larger than the diameter of the outlet.

3. The loading needle cleaning device of claim 1, wherein the area of the drain hole is not less than the sum of the areas of the water outlets of the two washing tubes.

4. The loading needle cleaning device according to claim 1, further comprising a water supply assembly connected to the wash tube and a water drain assembly connected to the drain hole.

5. The cleaning device for a sampling needle according to claim 4, wherein the water supply assembly comprises a first pump body, a filter, a pure water tank and a second pump body, the pure water tank is communicated with an external water source through a pipeline, and the first pump body and the filter are sequentially arranged on the pipeline between the external water source and the pure water tank; the pure water tank is communicated with the flushing pipe through a pipeline, and the second pump body is arranged on the pipeline between the flushing pipe and the pure water tank.

6. The cleaning device for the sampling needle according to claim 5, wherein a liquid level meter is provided in the pure water tank.

7. The loading needle cleaning device of claim 5, wherein the water supply assembly further comprises a tee pipe, and the pipes between the two flushing pipes and the pure water tank are connected through the tee pipe; the second pump body is positioned between the three-way pipe fitting and the pure water tank.

8. The cleaning device for sampling needle according to claim 7, wherein a first solenoid valve is provided in the pipe between the pure water tank and the external water source, and a second solenoid valve is provided in the pipe between the pure water tank and the tee pipe.

9. The loading pin cleaning device of claim 4, wherein the drainage assembly comprises a waste barrel in communication with the drainage hole via a conduit.