CN215965359U

CN215965359U - A pipette belt cleaning device for stem cell research

Info

Publication number: CN215965359U
Application number: CN202122719424.1U
Authority: CN
Inventors: 章瑾; 孙建伟; 宣丹英
Original assignee: Zhejiang Origin Biotechnology Co ltd
Current assignee: Zhejiang Origin Biotechnology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-03-08
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the field of experimental equipment, and discloses a pipette cleaning device for stem cell research, the technical proposal is that the device comprises a shell, an opening is arranged at the top of the shell to enable a pipette to be placed in the shell, a first pipeline communicated with the inner side of the shell is arranged at one side of the shell, a first pipeline is arranged at one side of the bottom of the shell, the liquid in the shell can be discharged from the bottom, so that a liquid drainage water path below the liquid in the tank above is formed, the speed of circularly discharging the liquid in the shell can be accelerated to a certain extent, the height of the discharged water of the first pipeline is adjusted through matching with the arrangement of the driving assembly, so that the height of the end of the first pipe far away from the shell can be adjusted according to the length of the pipette to be cleaned, thereby guarantee that the liquid level just submerges the pipette in the casing, the effectual pipette that prevents leads to the relatively poor condition of cleaning performance because of floating.

Description

A pipette belt cleaning device for stem cell research

Technical Field

The utility model relates to the field of experimental equipment, in particular to a pipette cleaning device for stem cell research.

Background

In the stem cell research process, a pipette is frequently used, the inner diameter of the device is very small, and the pipette is difficult to clean by pure cleaning in the cleaning process, so that at present, in the cleaning process, the pipette is usually placed in some cylindrical containers, and then cleaning liquid is continuously injected into the containers to soak and wash the pipette. However, in such a cleaning mode, the liquid level in the casing cannot be controlled, and the problems that the pipette floats or cannot be completely soaked are easily caused.

SUMMERY OF THE UTILITY MODEL

In view of the shortcomings of the prior art, it is an object of the present invention to provide a pipette washing device for stem cell research, which overcomes the above-mentioned shortcomings in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a pipette cleaning device for stem cell research comprises a shell, wherein the top of the shell is provided with an opening so that a pipette can be placed into the shell, and a first pipeline communicated with the inner side of the shell is installed on one side of the shell;

the driving assembly is arranged on one side of the shell and used for adjusting the height of one end, far away from the shell, of the first pipeline in the vertical direction, so that the liquid level height of liquid discharged to the outside through the first pipeline by the shell can be changed.

As a further improvement of the present invention, a first joint is installed on one side of the bottom of the housing, one end of the first joint is communicated with the inside of the housing, and the first pipeline is communicated with the inside of the housing through the first joint.

As a further improvement of the present invention, the driving assembly includes a motor, a screw rod, and a chuck, the motor is installed at one side of the housing, the screw rod is installed at an output end of the motor, the chuck is threadedly installed on the screw rod, and the chuck is used for clamping one end of the first pipe far away from the housing.

As a further improvement of the utility model, the washing device further comprises a loading assembly, the loading assembly comprises a loading frame for storing the pipette, the loading frame can be placed in the shell, and the side part of the loading frame and the inner side of the shell form a passage for entering and exiting liquid.

As a further improvement of the present invention, the loading assembly further comprises a bracket disposed at the bottom of the housing, and the bracket is detachably connected to the bottom of the loading frame so as to provide a locking force for fixing the loading frame.

As a further improvement of the present invention, the cleaning device further comprises a circulation assembly, the circulation assembly comprises a liquid pump and a second pipeline, the liquid pump is installed at the bottom inside the housing, one end of the second pipeline extends into the housing and is communicated with the water outlet end of the liquid pump, and the other end of the second pipeline is communicated with the top inside the housing, so as to form a circulation waterway.

As a further improvement of the present invention, a second joint is installed on one side of the bottom of the housing, one end of the second joint is connected to the water outlet end of the liquid pump, and the other end of the second pipe is connected to the second pipeline.

As a further improvement of the utility model, a third joint is arranged on one side of the top of the shell, one end of the third joint is communicated with the inner side of the shell, and the other end of the third joint is communicated with the second pipeline.

As a further improvement of the utility model, a plurality of flow-making pumps are arranged on the inner wall of the shell so as to drive the liquid inside the shell to flow.

The utility model has the beneficial effects that: in the utility model, a first pipeline is arranged on one side of the bottom of the shell, so that the liquid in the shell can be discharged from the bottom, thus forming a water path for discharging liquid below the upper tank liquid, accelerating the speed of circularly discharging the liquid in the shell to a certain extent, and matching with the arrangement of the driving component, phase-changing and adjusting the height of the water outlet of the first pipeline (the principle is that the same liquid is injected into the containers with mutually communicated bottoms, and the liquid level of each container in the communicating vessel is always kept on the same horizontal plane when the liquid does not flow, and the utility model can also meet the condition that the water adding amount in unit time is the same as the water outlet amount in unit time), so that the height of the end of the first pipe far away from the shell can be adjusted according to the length of the pipette to be cleaned, thereby guarantee that the liquid level just submerges the pipette in the casing, the effectual pipette that prevents leads to the relatively poor condition of cleaning performance because of floating. Meanwhile, the problem that the pipette is collided and damaged with the shell due to the impact of water flow when floating is prevented.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the internal structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic illustration of the construction of the loading assembly of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic mechanical view of the bracket of FIG. 4 according to the present invention;

fig. 6 is a schematic structural view of the flow-generating pump of fig. 2 according to the present invention.

Reference numerals: 1. a housing; 2. a drive assembly; 21. a motor; 22. a screw; 23. fixing grooves; 24. a chuck; 25. a mounting frame; 3. a loading assembly; 31. a loading frame; 32. a support; 41. a first joint; 42. a first conduit; 5. a circulation component; 51. a second joint; 52. a liquid pump; 53. a second conduit; 54. a third joint; 6. a flow generating pump; 7. and a water outlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-3, the pipette washing device for stem cell research of the present embodiment comprises a housing 1, wherein the top of the housing 1 is open so that a pipette can be placed in the housing 1, and a first pipe 42 communicated with the inside of the housing 1 is installed on one side of the housing 1;

the driving assembly 2, the driving assembly 2 is installed at one side of the shell 1, the driving assembly 2 is used for adjusting the height of one end of the first pipeline 42 far away from the shell 1 in the vertical direction, so as to change the liquid level height of the shell 1 which can discharge liquid to the outside through the first pipeline 42.

In the present invention, a first pipe 42 is provided at one side of the bottom of the casing 1, so that the liquid in the casing 1 can be discharged from the bottom, the water path for discharging liquid below the upper tank liquid is formed, the speed of circularly discharging the liquid in the shell 1 can be accelerated to a certain extent, and the height of the discharged water of the first pipeline 42 is adjusted by matching with the arrangement of the driving component 2 (the principle is that the same liquid is injected into containers with mutually communicated bottoms, and the liquid level of each container in the communicating vessel is always kept on the same horizontal plane when the liquid does not flow, and the condition can be satisfied when the water adding amount in unit time and the water discharging amount in unit time are the same in the utility model), this allows the height of the end of the first conduit 42 remote from the housing 1 to be adjusted according to the length of the pipette to be cleaned, thereby guarantee that the liquid level just submerges the pipette in casing 1, the effectual poor condition of washing effect that prevents to cause the pipette because of floating. And simultaneously, the problem that the pipette is collided and damaged with the shell 1 due to the impact of water flow when floating is prevented.

Referring to fig. 1-3, a first joint 41 is installed at one side of the bottom of the housing 1, one end of the first joint 41 is communicated with the inside of the housing 1, a first pipe 42 is communicated with the inside of the housing 1 through the first joint 41, and the first pipe 42 can be conveniently installed through the arrangement of the first joint 41.

In one embodiment, the first connector 41 extends beyond the housing 1 at one end to form a mounting length that can fit the first conduit 42.

Specifically, the first joint 41 is disposed in a step shape at an end extending out of the housing 1, and the diameter thereof is gradually reduced so as to be adapted to pipes with different diameters. This has the advantage that the first pipes 42 of different diameters are selected for installation according to the water inflow per unit time so that the water inflow and the water outflow are the same per unit time.

Referring to fig. 1-3, the driving assembly 2 includes a motor 21, a screw 22 and a chuck 24, the motor 21 is installed at one side of the housing 1, the screw 22 is installed at an output end of the motor 21, the chuck 24 is threadedly installed on the screw 22, and the chuck 24 is used for clamping one end of the first pipe 42 away from the housing 1, so as to meet a requirement for automatically adjusting the height of the first pipe 42.

Specifically, drive assembly 2 still includes mounting bracket 25, mounting bracket 25 and the casing 1 outside be fixed connection (including but not limited to both through bolted connection or integrated into one piece etc.), can set up two spaces in the mounting bracket 25, a fixed slot 23 and a motor 21 groove, fixed slot 23 mainly used installs screw rod 22, motor 21 groove is used for installing motor 21, two grooves all communicate with each other with the external world on one side, (can its communicating department install a switchable lid for motor 21 groove, satisfy the dry and waterproof demand in motor 21 groove), motor 21 groove and fixed slot 23 both communicate with each other, the bearing is installed to the communicating department, when installing screw rod 22 through the bearing, the one end of screw rod 22 also can get into motor 21 groove and link to each other with motor 21.

In one embodiment, the driving assembly 2 may be provided with a hook at an end of the first pipe 42 away from the housing 1, and a plurality of hanging holes are provided at an outer side of the housing 1, so as to adjust the height of the first pipe 42 through the hook and the hanging holes.

Referring to fig. 4-5, the washing device further comprises a loading assembly 3, the loading assembly 3 comprises a loading frame 31 for storing the pipettes, the loading frame 31 can be placed in the housing 1, and the sides of the loading frame 31 and the inner side of the housing 1 form a passage for liquid to enter and exit. First, the loading frame 31 prevents the pipette from easily colliding with the rest of the components in the casing 1 during the pipette washing process. Secondly, the loading frame 31 is smaller in volume compared to the entire housing 1, and the loading frame 31 can be removed separately to meet the pre-set and removal of the pipette. In the process of putting the pipette into the loading frame 31, the loading frame 31 can be put into the pipette after being inclined at a certain angle, so that the pipette can be conveniently put into and taken out of the pipette.

Specifically, the loading frame 31 may be shaped as shown in the drawing, and includes a chassis, a plurality of vertical rods longitudinally distributed and spaced at the top of the chassis, and a plurality of fixing hoops transversely wound on the outer sides of the vertical rods for fixing, so that the liquid inlet and outlet channel is formed in a larger space, the used materials are less, and the processing process is simpler.

In one embodiment, the loading frame 31 may be a cartridge structure with a plurality of small holes on its side, which are smaller than the diameter of the pipette, and this arrangement has the advantage that the pipette will not escape from the side of the loading frame 31 during the washing process.

Referring to fig. 5, the loading assembly 3 further includes a bracket 32 provided at the bottom of the casing 1, and the bracket 32 is detachably coupled to the bottom of the loading frame 31 so as to provide a locking force for fixing the loading frame 31.

Specifically, the bottom of the loading frame 31 is provided with a groove, and the groove can be clamped at the top of the bracket 32.

Specifically, the bottom of the loading frame 31 can be provided with magnets which attract each other on the contact surface of the support 32, and the requirement of detachable connection can be met through magnetic connection.

Referring to fig. 1-3, the cleaning device further includes a circulation assembly 5, the circulation assembly 5 includes a liquid pump 52 and a second pipe 53, the liquid pump 52 is installed at the bottom inside the casing 1, one end of the second pipe 53 extends into the casing 1 and is communicated with the water outlet end of the liquid pump 52, the other end of the second pipe 53 is communicated with the top inside the casing 1, so as to form a circulation water path, and the circulation assembly 5 is configured to circulate the water flow in the up-and-down direction for some pipettes requiring light cleaning (no new cleaning liquid is added into the casing 1 during cleaning).

Referring to fig. 1, a second joint 51 is installed at one side of the bottom of the housing 1, one end of the second joint 51 is connected to the water outlet end of the liquid pump 52, and the other end of the second pipe is connected to a second pipe 53, so that the second pipe 53 is conveniently installed.

Referring to fig. 1, a third joint 54 is installed at one side of the top of the housing 1, one end of the third joint 54 communicates with the inside of the housing 1, and the other end of the third joint 54 communicates with the second pipe 53, thereby facilitating the installation of the second pipe 53.

In one embodiment, the bottom of the housing 1 is provided with a water outlet 7, the bottom of the water outlet 7 is provided with a cover, and the water outlet 7 is arranged to allow the accumulated liquid in the housing 1 to be smoothly discharged.

In one embodiment, the cleaning liquid may be water or various cleaning liquids (such as detergent and the like) prepared from water according to requirements.

In one embodiment, a plurality of flow-making pumps 6 are installed on the inner wall of the casing 1 to drive the liquid inside the casing 1 to flow, so that the flow direction and the flow speed of the liquid in the casing 1 can be further improved, and the cleaning effect of the pipette is improved.

In one embodiment, first conduit 42 and second conduit 53 are provided in the form of flexible tubes, which facilitate installation and movement of first conduit 42 along one end thereof in cooperation with collet 24.

The working principle is as follows: when the pipette needs to be cleaned by water, the loading frame 31 is firstly arranged in an inclined manner, so that the height of the top opening of the loading frame 31 is reduced, then the pipette is placed in the loading frame 31, then the loading frame 31 is placed downwards from the top opening of the shell 1, then the loading frame 31 is clamped with the bracket 32, then the motor 21 is started to drive the lead screw to rotate, so that the chuck 24 is driven to move, so that one end, away from the shell 1, of the first pipeline 42 is adjusted to be flush with the top of the pipette, then water is added into the shell 1 (tap water can be directly added into the shell 1 by a water adding mode), the liquid level in the shell 1 and the liquid level in the first pipeline 42 gradually rise, and when the liquid level is higher than one end, away from the shell 1, of the first pipeline 42, the cleaned water is discharged from the first pipeline 42, so that the water just submerges the pipette for cleaning;

when the pipette needs to be cleaned lightly or the configured cleaning solution needs to be used for cleaning, the end of the first pipe 42 away from the casing 1 is driven by the driving assembly 2 to be higher than the top of the pipette, then the cleaning solution just submerged in the pipette is added into the casing 1, and the liquid pump 52 is turned on to circulate the cleaning solution along the second pipe 53 and the casing 1 for cleaning.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. A pipette washing device for stem cell research, characterized in that: the pipette comprises a shell (1), wherein the top of the shell (1) is provided with an opening so as to place a pipette into the shell (1), and a first pipeline (42) communicated with the inner side of the shell (1) is arranged on one side of the shell (1);

the driving assembly (2) is installed on one side of the shell (1), and the driving assembly (2) is used for adjusting the height of one end, far away from the shell (1), of the first pipeline (42) in the vertical direction, so that the liquid level height of liquid discharged to the outside through the first pipeline (42) by the shell (1) can be changed.

2. The pipette washing device of claim 1, wherein: the pipeline connecting device is characterized in that a first connector (41) is installed on one side of the bottom of the shell (1), one end of the first connector (41) is communicated with the inner side of the shell (1), and a first pipeline (42) is communicated with the inner side of the shell (1) through the first connector (41).

3. The pipette washing device of claim 1, wherein: the driving assembly (2) comprises a motor (21), a screw rod (22) and a chuck (24), the motor (21) is installed on one side of the shell (1), the screw rod (22) is installed at the output end of the motor (21), the chuck (24) is installed on the screw rod (22) in a threaded mode, and the chuck (24) is used for clamping one end, far away from the shell (1), of the first pipeline (42).

4. The pipette washing device of claim 1, wherein: the washing device further comprises a loading assembly (3), the loading assembly (3) comprises a loading frame (31) used for storing the pipettes, the loading frame (31) can be placed in the shell (1), and liquid inlet and outlet channels are formed on the side portions of the loading frame (31) and the inner side of the shell (1).

5. The pipette washing device for stem cell research of claim 4, characterized in that: the loading assembly (3) further comprises a support (32) arranged at the bottom of the shell (1), and the support (32) is detachably connected with the bottom of the loading frame (31) so as to provide locking force for fixing the loading frame (31).

6. The pipette washing device of claim 1, wherein: the cleaning device further comprises a circulating assembly (5), the circulating assembly (5) comprises a liquid pump (52) and a second pipeline (53), the liquid pump (52) is installed at the bottom of the inner side of the shell (1), one end of the second pipeline (53) extends into the shell (1) and is communicated with the water outlet end of the liquid pump (52), and the other end of the second pipeline (53) is communicated with the top of the inner side of the shell (1) so as to form a circulating water path.

7. The pipette washing device of claim 6, wherein: a second joint (51) is installed on one side of the bottom of the shell (1), one end of the second joint (51) is connected with the water outlet end of the liquid pump (52), and the other end of the second pipe is connected with a second pipeline (53).

8. The pipette washing device for stem cell research of claim 7, characterized in that: and a third joint (54) is installed on one side of the top of the shell (1), one end of the third joint (54) is communicated with the inner side of the shell (1), and the other end of the third joint (54) is communicated with the second pipeline (53).

9. The pipette washing device of claim 1, wherein: the device is characterized in that a plurality of flow-making pumps (6) are installed on the inner wall of the shell (1) so as to drive liquid on the inner side of the shell (1) to flow.