CN218502858U

CN218502858U - Reagent needle belt cleaning device

Info

Publication number: CN218502858U
Application number: CN202222326154.2U
Authority: CN
Inventors: 叶大创; 吴武彬; 张金峰; 杨科; 李帆; 戴利娟
Original assignee: Syscan Medical Technology Suzhou Co ltd
Current assignee: Syscan Medical Technology Suzhou Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-02-21
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a reagent needle belt cleaning device, include: the cleaning device comprises a cleaning part and a washing part, wherein the cleaning part comprises a cleaning block, the top of the cleaning block is provided with a cleaning tank, a cleaning hole and a liquid discharge hole are arranged in the cleaning tank, one side of the cleaning block is provided with a first liquid inlet hole, and the first liquid inlet hole is communicated with the cleaning hole; a first drainage hole is formed in the other side of the cleaning block and communicated with the liquid discharge hole; the flushing part comprises a flushing block, a flushing hole is formed in the top of the flushing block, a sewage discharge hole is formed in the bottom of the flushing block, and the sewage discharge hole is communicated with the flushing hole; a second liquid inlet hole is formed in one side of the flushing block and communicated with the flushing hole; a second drainage hole is formed in the other side of the flushing block; the second drainage hole is connected with the first drainage hole. The utility model discloses can guarantee to wash and discharge completely with the waste liquid after washing, the cleaning hole does not have remaining liquid with washing the downthehole, can effectively guarantee the cleanliness of reagent needle after wasing and washing, avoids the residual to exert an influence to detecting.

Description

Reagent needle belt cleaning device

Technical Field

The utility model belongs to the technical field of the experimental facilities technique and specifically relates to indicate a reagent needle belt cleaning device.

Background

In the field of in vitro diagnosis, a reagent needle is required to suck a reagent, and after each filling, the reagent needle needs to be cleaned internally, so that cross contamination between the reagent and a sample is prevented. The inner cleaning washes the inner wall from the inside of the reagent needle through the cleaning solution, and the outer cleaning needs to wash the surface of the reagent needle with the cleaning solution.

In a reagent needle cleaning device in the prior art, cleaning is performed at a cleaning hole, and then cleaning is performed at a washing hole. Because the washing liquid in the washing hole can not be fully discharged after the needle is washed every time, the washing liquid carried by the needle in the washing hole can be remained. When the washing needle moves from the washing hole to the washing hole, a sample may be left in the washing hole, and a reagent may remain in the washing hole; external residue can not effectively be got rid of, can only dilute the mode that remains or wash away the residue and promote the needle washing quality toward washing downthehole injection flush fluid through increasing, increases the use amount of flush fluid on the one hand like this, still can not fully get rid of the residual material of outer wall on the other hand.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that overcome among the prior art among the reagent needle belt cleaning device flush the downthehole flush fluid and can not fully discharge, lead to the reagent needle to wash unclean defect.

In order to solve the technical problem, the utility model provides a reagent needle belt cleaning device, include:

the cleaning device comprises a cleaning part and a cleaning part, wherein the cleaning part comprises a cleaning block, the top of the cleaning block is provided with a cleaning tank, a cleaning hole and a liquid discharge hole are arranged in the cleaning tank, one side of the cleaning block is provided with a first liquid inlet hole, and the first liquid inlet hole is communicated with the cleaning hole; a first drainage hole is formed in the other side of the cleaning block and communicated with the liquid discharge hole;

the flushing part comprises a flushing block, the top of the flushing block is provided with a flushing hole, the bottom of the flushing block is provided with a sewage discharge hole, and the sewage discharge hole is communicated with the flushing hole; a second liquid inlet hole is formed in one side of the flushing block and communicated with the flushing hole; a second drainage hole is formed in the other side of the flushing block; the second drainage hole is connected with the first drainage hole.

In an embodiment of the present invention, the flushing hole is a multi-step stepped hole, and a diameter near one end of the flushing hole is larger than a diameter near one end of the drainage hole.

In an embodiment of the utility model, still be provided with the overflow hole in the washing tank, the height in overflow hole is higher than the height of outage.

In an embodiment of the present invention, the second drainage hole and the second liquid inlet hole are perpendicular to the flushing hole, and the height of the second drainage hole is lower than the height of the second liquid inlet hole.

In an embodiment of the present invention, the first drainage holes extend outward to form an annular boss, and the annular boss is matched with the second drainage holes.

In an embodiment of the present invention, a sealing ring is disposed between the first drainage hole and the second drainage hole.

In an embodiment of the present invention, the first liquid inlet hole and the second liquid inlet hole are both provided with a quick coupling, and the first liquid inlet hole and the second liquid inlet hole are both connected with a booster pump.

In an embodiment of the present invention, a cover plate is disposed on the flushing block, a through hole corresponding to the position of the flushing hole is opened on the cover plate, and the size of the through hole is smaller than that of the flushing hole.

In an embodiment of the present invention, the cleaning block is detachably connected to the flushing block.

In an embodiment of the present invention, the drain hole is connected to a diaphragm pump.

Compared with the prior art, the technical scheme of the utility model have following advantage:

a reagent needle belt cleaning device, through wasing and washing two steps to the reagent needle, effectively clear away reagent and pollutant on the reagent needle, can guarantee simultaneously to wash and discharge completely with the waste liquid after washing, there is not remaining liquid in purge hole and the purge hole, can effectively guarantee the cleanliness of reagent needle after wasing and washing, avoid the residue to exert an influence to detecting.

Drawings

In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, taken in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cleaning block of FIG. 1;

FIG. 3 is a schematic structural view of the flush block of FIG. 1;

FIG. 4 is a schematic view of the internal structure of the flush block;

FIG. 5 is a schematic view of the sewage drain line of the present invention;

the specification reference numbers indicate: 1. cleaning the block; 2. a flushing block; 3. a reagent needle; 11. a cleaning tank; 12. cleaning the holes; 13. a liquid discharge hole; 14. a first liquid inlet hole; 15. a first drainage aperture; 16. an overflow aperture; 17. a seal ring; 21. flushing the hole; 22. a sewage draining hole; 23. a second liquid inlet hole; 24. a second drainage aperture; 25. a cover plate; 26. and a through hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

Referring to fig. 1, the utility model discloses a reagent needle 3 belt cleaning device, include:

referring to fig. 2, the cleaning part comprises a cleaning block 1, a cleaning tank 11 is arranged at the top of the cleaning block 1, a cleaning hole 12 and a liquid discharge hole 13 are arranged in the cleaning tank 11, a first liquid inlet hole 14 is arranged at one side of the cleaning block 1, and the first liquid inlet hole 14 is communicated with the cleaning hole 12; the other side of the cleaning block 1 is provided with a first drainage hole 15, and the first drainage hole 15 is communicated with the liquid discharge hole 13;

referring to fig. 3-5, the flushing part comprises a flushing block 2, a flushing hole 21 is formed in the top of the flushing block 2, a sewage discharge hole 22 is formed in the bottom of the flushing block 2, and the sewage discharge hole 22 is communicated with the flushing hole 21; a second liquid inlet hole 23 is formed in one side of the flushing block 2, and the second liquid inlet hole 23 is communicated with the flushing hole 21; the other side of the flushing block 2 is provided with a second drainage hole 24; the second drainage apertures 24 are connected to the first drainage apertures 15.

The utility model discloses in, mainly divide into to wash and wash two parts to the cleanness on reagent needle 3 surface, to whole structure that washs piece 1, in the washing liquid from first feed liquor hole 14 entering washing piece 1, gush out from the purge hole 12 at top, the washing liquid is advanced by height, stretches into reagent needle 3 in the purge hole 12 in the cleaning process, and the washing liquid washes reagent etc. on reagent needle 3 surface and gushes out from purge hole 12, discharges from outage 13. When cleaning the inside of the reagent needle 3, the cleaning liquid is drawn into the inside of the reagent needle 3 from the cleaning hole 12, and the cleaning liquid is discharged again, and the cleaning is repeated a plurality of times. In the utility model, the cleaning liquid is potassium hydroxide solution, and the reagent inside and outside the reagent needle 3 is dissolved and discharged.

Referring to fig. 5, in the structure of the flushing part, the flushing liquid enters the flushing hole 21 from the second liquid inlet hole 23 and then is discharged from the drain hole 22. In the washing process, the reagent needle 3 is inserted into the washing hole 21, and the washing liquid washes away the residual washing liquid on the surface of the reagent needle 3 and the previous residual sample, and is discharged from the drain hole 22 communicating with the washing hole 21. It should be noted that the cleaned liquid enters from the liquid discharge hole 13 and is discharged from the first drainage hole 15, the first drainage hole 15 is connected with the second drainage hole 24, and finally, the cleaned liquid is uniformly discharged from the sewage discharge hole 22. The washing liquid is distilled water, the residue outside the reagent needle 3 is removed by washing, and the distilled water inside the reagent needle 3 is injected from the top of the reagent needle 3 and discharged from the needle port of the reagent needle 3, and all the residue is discharged.

The utility model has the advantages of simple structure, at the in-process that washs and washes reagent needle 3, can guarantee to wash and discharge completely the waste liquid after washing, do not have remaining liquid in purge orifice 12 and the flushing port 21, can effectively guarantee reagent needle 3 and wash the cleanliness after with washing, avoid the residue to exert an influence to detecting.

Further, in order to increase the convenience of flowing back, blowoff hole 22 is connected with the diaphragm pump, will wash through the diaphragm pump and absorb with the waste liquid that washes, secondly selects the diaphragm pump because can adopt some corrosive liquid stronger at abluent in-process, and the tolerance of diaphragm pump is stronger.

Further, the flushing hole 21 is a multi-section stepped hole, and the diameter of one end close to the flushing hole 21 is larger than that of one end close to the sewage draining hole 22; in order to discharge liquid smoothly, through holes 26 with larger diameters are mostly adopted in the flushing holes 21 in the prior art, and air is sucked into the pump when liquid after flushing is discharged from the sewage discharge hole 22 in the flushing process, so that the pump generates larger noise in the working process; secondly, the air and the waste liquid are mixed together, relatively little liquid is sucked in, and the pump discharge efficiency is low. And the utility model discloses well flushing hole 21 adopts the form of multistage shoulder hole, and the aperture that is close to blowoff hole 22 one end is less, as the utility model discloses an optimal selection scheme, flushing hole 21 adopts upper, middle and lower syllogic setting, and when the waste liquid of washing the needle converged the flushing hole 21 middle section above that, just can block up the drill way, has avoided the entering hypomere of air. When the diaphragm pump for pumping the waste liquid is started, the waste liquid on the small holes can be fully sucked into the pump body, so that air mixing is reduced, noise generated by pump operation is reduced, and the working time required by pump waste liquid discharge is reduced.

In addition, the structure of the flushing hole 21 is provided with an upper section and a middle section with different pore diameters, the upper end is designed to be larger and compatible with the reagent needle 3 with larger diameter, and the middle section is designed to be smaller in pore diameter and compatible with the sample needle with smaller diameter and longer length. This can reduce the consumption of the washing liquid when the sample needle is washed.

Further, in order to prevent that the diaphragm pump of extraction waste liquid can not normally work, lead to washing liquid or flush fluid constantly to produce and overflow washing tank 11 and cause the liquid overflow, still be provided with overflow hole 16 in the washing tank, overflow hole 16 highly be higher than outage 13's height, can effectively avoid the liquid overflow to pollute machine structure, cause the machine to rust, risk such as electric leakage, increase cleaning machine's maintenance work load.

Further, the flush fluid can let in the wash port 21 after 23 entering of second feed liquor hole in, finally goes out from blowoff hole 22, and the washing liquid finally also gets into from second drainage hole 24, goes out from blowoff hole 22, in order to prevent the influence of the waste liquid in the second drainage hole 24 to wash in-process flush fluid, second drainage hole 24 and second feed liquor hole 23 all set up with wash port 21 perpendicularly, and the height that highly is less than second feed liquor hole 23 in second drainage hole 24.

Further, the first drainage holes 15 extend outwards to form annular bosses, and the annular bosses are matched with the second drainage holes 24; a sealing ring 17 is arranged between the first drainage hole 15 and the second drainage hole 24. The waste liquid after washing is prevented from leaking between the wash block 2 and the wash block 1.

Further, in order to make things convenient for the access of washing liquid and flush fluid, all be provided with quick-operation joint in first feed liquor hole 14 and the second feed liquor hole 23, simultaneously because first feed liquor hole 14 and second feed liquor hole 23 all are less than the height of cleaning hole 12 and flushing hole 21, consequently need certain pressure with washing liquid and flush fluid blowout, first feed liquor hole 14 all is connected with the booster pump with second feed liquor hole 23, and the pressure in second feed liquor hole 23 is bigger, need form the efflux with the flush fluid in second feed liquor hole 23 department, spun fluid is around the needle, form the water column that the round encircleed the parcel needle, wash the residue completely.

Furthermore, because the velocity of flow of washing liquid is very fast, can cause the splashing of washing liquid in the washing process, consequently be provided with apron 25 on the washing piece 2, set up the through-hole 26 corresponding with washing hole 21 position on the apron 25, and the size of through-hole 26 is less than the size of washing hole 21.

Furthermore, in order to facilitate the disassembly of the cleaning block 1 and the flushing block 2, the cleaning block 1 and the flushing block 2 are connected by bolts.

To sum up, the utility model provides a 3 belt cleaning device of reagent needle is used for carrying out cleaning process to making used reagent needle 3, and concrete operation is as follows: firstly, the reagent needle 3 is stretched into the cleaning hole 12, and the cleaning liquid gushing out from the cleaning hole 12 dissolves the sample outside the reagent needle 3; then, the cleaning solution is pumped into the reagent needle 3 to process the internal sample, and the process is repeated for a plurality of times, so that the sample in the reagent needle 3 is completely removed; the waste liquid after being cleaned can be discharged from the liquid discharge hole 13; after the reagent needle 3 is cleaned, the reagent needle 3 is moved into the washing hole 21, washing liquid is sprayed into the washing hole 21 from the second liquid inlet hole 23 to clean the outer side of the reagent needle 3, and the reagent needle 3 is washed for multiple times from top to bottom in order to ensure that the whole reagent needle 3 can be fully cleaned in the cleaning process; when the interior of the reagent needle 3 is washed, distilled water is injected from the top of the reagent needle 3 and discharged from the outlet of the reagent needle 3, and finally, waste liquid after washing is discharged from the waste hole 22. The utility model discloses can guarantee to wash and discharge completely the waste liquid after washing, do not have remaining liquid in purge orifice 12 and the flushing hole 21, can effectively guarantee the cleanliness of reagent needle 3 after wasing and washing, avoid the residue to exert an influence to detecting.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Various other modifications and alterations will occur to those skilled in the art upon reading the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A reagent needle cleaning device, comprising:

2. The reagent needle washing device according to claim 1, wherein: the flushing hole is a multi-section stepped hole, and the diameter of one end close to the flushing hole is larger than that of one end close to the sewage discharge hole.

3. The reagent needle washing device according to claim 1, wherein: an overflow hole is further formed in the cleaning tank, and the height of the overflow hole is higher than that of the liquid discharge hole.

4. The reagent needle cleaning device according to claim 1, characterized in that: the second drainage hole and the second liquid inlet hole are both perpendicular to the flushing hole, and the height of the second drainage hole is lower than that of the second liquid inlet hole.

5. The reagent needle cleaning device according to claim 1, characterized in that: the first drainage hole outwards extends to form an annular boss, and the annular boss is matched with the second drainage hole.

6. The reagent needle washing device according to claim 1, wherein: and a sealing ring is arranged between the first drainage hole and the second drainage hole.

7. The reagent needle washing device according to claim 1, wherein: the first liquid inlet hole and the second liquid inlet hole are internally provided with a quick joint, and the first liquid inlet hole and the second liquid inlet hole are connected with a booster pump.

8. The reagent needle cleaning device according to claim 1, characterized in that: the flushing block is provided with a cover plate, the cover plate is provided with a through hole corresponding to the flushing hole, and the size of the through hole is smaller than that of the flushing hole.

9. The reagent needle washing device according to claim 1, wherein: the cleaning block is detachably connected with the flushing block.

10. The reagent needle washing device according to claim 1, wherein: the sewage draining hole is connected with a diaphragm pump.