Centrifugal tube cleaning nozzle and cleaning device

Abstract

The utility model relates to the technical field of centrifugal tube cleaning, in particular to a centrifugal tube cleaning spray head and a cleaning device, the cleaning spray head comprises a sealing cap, a water spraying part and a water injection core; the sealing cap is sleeved on the tube opening of the centrifugal tube to prevent foreign matters from entering the centrifugal tube during washing; the water spraying part is fixed in the middle of the sealing cap, the upper end of the water spraying part protrudes out of the upper surface of the sealing cap, the lower end of the water spraying part protrudes out of the lower surface of the sealing cap, water spraying holes are formed in the lower end of the water spraying part, and water mist is sprayed around the water spraying part when the water spraying holes spray water mist; the water injection core is fixed to the upper end of the water spraying part and comprises an upper water inlet and a lower water outlet, and the water outlet is communicated with the water spraying holes. When the centrifugal tube is flushed, pollution of foreign matters is avoided, flushing efficiency is improved, and flushing fluid is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifuge tube cleaning, in particular to a centrifuge tube cleaning nozzle and a cleaning device. Background Art

[0002] In the field of biotechnology, centrifuge tubes have various standard specifications and are widely used in centrifugal separation and cell culture. They are one of the commonly used laboratory consumables. In work, centrifuge tubes often need to be cleaned. The commonly used cleaning method is to pour the cleaning liquid into the centrifuge tube, shake it and pour it out, then pour it in again and repeat the same action. After cleaning several times, it is clean. In this process, a lot of cleaning liquid is consumed, resulting in waste of cleaning liquid and rising costs. Especially in large-scale factory embryo production, the waste of cleaning liquid is particularly obvious. Utility Model Content

[0003] The utility model aims to provide a centrifuge tube cleaning nozzle and a cleaning device to solve the problems raised in the above background technology.

[0004] A centrifugal tube cleaning nozzle, the centrifugal tube cleaning nozzle comprises a closing cap, a water spraying part and a water injection core; the closing cap is sleeved on the pipe mouth of the centrifugal tube to prevent foreign matter from entering the centrifugal tube during flushing; the water spraying part is fixed in the middle of the closing cap, the upper end of the water spraying part protrudes from the upper surface of the closing cap, the lower end of the water spraying part protrudes from the lower surface of the closing cap, the lower end of the water spraying part is provided with a water spraying hole, and water mist is sprayed around the water spraying part when the water spraying hole is clear; the water injection core is fixed on the upper end of the water spraying part, the water injection core comprises an upper water inlet and a lower water outlet, and the water outlet is connected with the water spraying hole.

[0005] Furthermore, the size of the water inlet of the water injection core matches the water outlet of the syringe.

[0006] Furthermore, it is characterized in that the water output from the water injection core is a plurality of evenly distributed spirals.

[0007] Furthermore, the water spray hole is located at the bottom of the water spray portion, and the lower part of the water spray portion is conical.

[0008] Furthermore, the inner surface of the conical portion of the water spraying part is provided with a spiral groove.

[0009] Furthermore, the water spray holes are evenly arranged on the circumference of the lower end of the water spray part.

[0010] Furthermore, the closing cap is also provided with an exhaust hole.

[0011] The utility model also provides a centrifuge tube cleaning device, comprising the centrifuge tube cleaning nozzle mentioned above, and a cleaning water source supply device; the cleaning water source supply device is connected to the water injection core inlet.

[0012] Furthermore, the cleaning water source supply device is a syringe, and the syringe is filled with cleaning liquid.

[0013] Furthermore, the syringe is directly connected to the water injection core or connected to the water injection core through a hose.

[0014] Furthermore, the cleaning water supply device is an infusion pump, and the liquid flushing speed and the start and stop of the infusion pump can be set.

[0015] The centrifuge tube cleaning steps of a centrifuge tube cleaning device are as follows:

[0016] First, suck the flushing liquid into the syringe for use, put the centrifuge tube cleaning nozzle on the nozzle of the centrifuge tube, and then connect the syringe to the cleaning nozzle. You can connect it through a hose, or you can directly put the syringe outlet directly on the water injection core inlet, and then manually push the syringe to flush. The flushing liquid passes through the water injection core and the water spray part in a mist form and is directly sprayed on the inner wall of the centrifuge tube. The liquid flows down along the inner wall to flush the centrifuge tube, and the gas inside is discharged from the exhaust hole. Then unplug the centrifuge tube cleaning nozzle and pour out the liquid. Repeat the flushing several times.

[0017] By adopting the above technical solution, flushing of the inner wall of the centrifuge tube is achieved.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. When the centrifuge tube is flushed, the centrifuge tube mouth is in a relatively closed space, avoiding contamination from foreign matter.

[0020] 2. When the centrifuge tube is rinsed, the rinse liquid is directly sprayed onto the inner wall of the centrifuge tube for direct rinse, which improves the rinse efficiency and saves the rinse liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the explosion structure of the centrifuge tube cleaning nozzle in Example 1 of the utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of the top view of the centrifuge tube cleaning nozzle;

[0023] Figure 3 for Figure 2 A schematic diagram of the structure of the centrifuge tube cleaning nozzle cut open at A;

[0024] Figure 4 This is a schematic diagram of the explosion structure of the centrifuge tube cleaning nozzle in Example 2 of the utility model;

[0025] Figure 5 for Figure 4Schematic diagram of the three-dimensional structure of the centrifuge tube cleaning nozzle;

[0026] Figure 6 for Figure 5 A schematic diagram of the structure of the centrifuge tube cleaning nozzle viewed from above;

[0027] Figure 7 for Figure 6 A schematic diagram of the structure of the centrifuge tube cleaning nozzle cut open at B;

[0028] In the figure: 1, closing cap; 2, water spraying part; 3, water injection core; 11, top wall; 12, side wall; 13, block; 14, exhaust hole; 21, water spraying hole; 31, water inlet; 32, water outlet; 33, boss. DETAILED DESCRIPTION

[0029] 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 in 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.

[0030] Example 1

[0031] See also Figure 1-3 , a centrifuge tube cleaning nozzle, the centrifuge tube cleaning nozzle comprises a closing cap 1, a water spraying part 2, and a water injection core 3; the closing cap 1 is sleeved on the nozzle of the centrifuge tube to prevent foreign matter from entering the centrifuge tube during flushing; the water spraying part 2 is fixed in the middle of the closing cap 1, the upper end of the water spraying part 2 protrudes from the upper surface of the closing cap, the lower end of the water spraying part 1 protrudes from the lower surface of the closing cap, and the lower end of the water spraying part 1 is provided with a water spraying hole 21, and the water spraying hole 21 sprays water mist around the water spraying part when it is clean; the water injection core 3 is fixed on the upper end of the water spraying part, and the water injection core 3 comprises an upper water inlet 31 and a lower water outlet 32, and the water outlet 32 ​​is connected to the water spraying hole 21. The closing cap 1 comprises a top wall 11 and a side wall 12; the size of the circumference surrounded by the side wall 12 matches the diameter of the centrifuge tube; the top wall 11 is used to fix the water injection core 3. Further, an exhaust hole (not shown) can be provided on the top wall 11 to facilitate exhaust during flushing. A boss 33 is also provided at the water inlet 31, and the boss 33 can facilitate the installation and positioning of the water injection core 3. The water injection core 3 is in a step shape as a whole, and the interior of the water spray part 2 is also in a step shape, and the steps of the water injection core 3 and the water spray part 2 are matched and positioned. Specifically, the part of the water injection core 3 located below the boss 33 can be connected to the inner wall of the upper part of the water spray part 2 by a thread, or can be fixed by an interference fit.

[0032] Furthermore, the size of the water inlet 31 of the water injection core matches the water outlet of the syringe or the water inlet 31 is connected to the syringe through a hose.

[0033] Furthermore, the water outlet 32 ​​of the water injection core is a plurality of evenly distributed spirals, so that the sprayed water mist is sprayed out through the water spray hole 21. The water spray holes 21 are evenly arranged on the circumference of the lower end of the water spray part 2, so that the sprayed water mist can be directly sprinkled on the inner wall of the centrifuge tube. Furthermore, the water outlet 32 ​​can also be provided with a horizontal water outlet mode. The water outlet 32 ​​is arranged to be connected with the water spray hole 21 after the water is discharged, which is within the protection scope of the present application. A gap is provided between the water outlet 32 ​​and the inner wall of the water spray part 2, so that it is convenient for water to flow out of the water outlet.

[0034] Example 2

[0035] like Figure 4-7 , based on Example 1, further improvement is made.

[0036] Furthermore, the lower part of the water spraying part 21 is a conical water spraying hole 21 located at the bottom of the water spraying part 2, and the inner wall of the conical part of the lower part of the water spraying part 21 is also provided with a spiral groove (not shown). The water outlet 32 ​​of the water injection core is a plurality of evenly spirally distributed, and the flushing liquid flows in a spiral from the water outlet 32, and combined with the aforementioned spiral groove, the flushing liquid is in a spiral mist when it is sprayed out from the water spraying hole 21. Under the action of centrifugal force, the water mist directly rushes to the inner wall of the centrifuge tube for flushing.

[0037] Furthermore, the side wall 12 of the closure cap 1 is also provided with an exhaust hole 14. The exhaust hole is arranged in the side direction to prevent foreign matter from falling on the exhaust hole 14 and blocking the exhaust hole 14. Furthermore, in order to prevent the exhaust hole 14 from being blocked by the side wall of the centrifuge tube when the closure cap 1 is installed on the centrifuge tube, a block 13 is also provided on the top wall 11. The height of the block 13 is greater than the height of the exhaust hole 14 from the lower side of the top wall 11.

[0038] Example 3

[0039] The utility model also provides a centrifuge tube cleaning device, comprising any one of the centrifuge tube cleaning nozzles in embodiment 1 and embodiment 2, and also comprising a cleaning water source supply device; the cleaning water source supply device is connected to the water injection core inlet 3. Further, the cleaning water source supply device is a syringe, and the syringe is filled with cleaning liquid. Further, the syringe is directly connected to the water injection core or connected to the water injection core through a hose.

[0040] As a further improvement, the cleaning water supply device is an infusion pump, and the liquid flushing speed and the start and stop of the infusion pump can be set.

[0041] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A centrifuge tube cleaning nozzle, characterized in that: The centrifuge tube cleaning nozzle includes a closing cap, a water spraying part, and a water injection core; the closing cap is sleeved on the pipe mouth of the centrifuge tube to prevent foreign matter from entering the centrifuge tube during flushing; the water spraying part is fixed in the middle of the closing cap, the upper end of the water spraying part protrudes from the upper surface of the closing cap, the lower end of the water spraying part protrudes from the lower surface of the closing cap, and the lower end of the water spraying part is provided with a water spraying hole, and when the water spraying hole is clean, water mist is sprayed around the water spraying part; the water injection core is fixed on the upper end of the water spraying part, and the water injection core includes an upper water inlet and a lower water outlet, and the water outlet is connected to the water spraying hole.

2. The centrifuge tube cleaning nozzle according to claim 1, characterized in that: The size of the water inlet of the water injection core matches the water outlet of the syringe.

3. The centrifuge tube cleaning nozzle according to claim 1, characterized in that: The water output from the water injection core is multiple evenly distributed spirals.

4. The centrifuge tube cleaning nozzle according to claim 1, characterized in that: The water spray hole is located at the bottom of the water spray part, and the lower part of the water spray part is conical.

5. The centrifuge tube cleaning nozzle according to claim 4, characterized in that: The inner surface of the conical portion of the water spray portion is provided with a spiral groove.

6. The centrifuge tube cleaning nozzle according to claim 1, characterized in that: The water spray holes are evenly arranged on the circumference of the lower end of the water spray part.

7. The centrifuge tube cleaning nozzle according to claim 1, characterized in that: The closing cap is also provided with an exhaust hole.

8. A centrifuge tube cleaning device, characterized in that: It comprises the centrifuge tube cleaning nozzle as described in any one of claims 1 to 7, and a cleaning water source supply device; the cleaning water source supply device is connected to the inlet of the water injection core.

9. The cleaning device according to claim 8, characterized in that: The cleaning water source supply device is a syringe, and the syringe is filled with cleaning liquid.

10. The cleaning device according to claim 9, characterized in that: The syringe is connected to the water injection core directly or through a hose.

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