CN210546874U

CN210546874U - Liquid-transfering needle belt cleaning device

Info

Publication number: CN210546874U
Application number: CN201921213970.4U
Authority: CN
Inventors: 吴晨龙; 刘家朋; 李祖敏
Original assignee: Shanghai X Imaging Technology Co ltd
Current assignee: Shanghai X Imaging Technology Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-19
Anticipated expiration: 2029-07-30

Abstract

The utility model relates to an automation equipment technical field discloses a pipetting needle belt cleaning device, including the column washing tank, set up vertical through-hole in the middle of the washing tank, set up first horizontal through-hole on the lateral wall of washing tank, first horizontal through-hole link up with vertical through-hole, first horizontal through-hole passes through water pipe articulate wash pipe, still sets up the horizontal through-hole of second on the lateral wall of washing tank, the horizontal through-hole of second link up with vertical through-hole, the horizontal through-hole of second passes through the trachea articulate trachea of blowing. The utility model discloses a concentrate closed washing and weather the operation, make the pipetting needle obtain rinse thoroughly, avoid the cross influence in the experimentation, improve the accuracy of experiment.

Description

Liquid-transfering needle belt cleaning device

Technical Field

The utility model relates to an automation equipment technical field especially relates to a liquid-transfering needle belt cleaning device.

Background

In chemical experiments, reagents are subjected to various operations, and the operations are completed by using devices such as a pipette needle, a pipette, a glass rod and the like. And in the occasion of large workload, the operations such as automatic liquid transfer, stirring and the like are completed through mechanical automation equipment.

In the experiment, when different experiment processes and different reagents are alternately operated, the pipette needle needs to be cleaned, and the cleaning process generally consumes time. For automated mass operations, this cleaning process severely affects the effectiveness of automated experiments.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, provide a liquid-transfering needle belt cleaning device, through concentrating closed washing and weathering operation, make the liquid-transfering needle obtain rinse thoroughly, avoid the cross influence in the experimentation, improve the accuracy of experiment.

The utility model adopts the technical proposal that:

the utility model provides a pipetting needle belt cleaning device, characterized by includes the column washing tank, sets up vertical through-hole in the middle of the washing tank, sets up first horizontal through-hole on the lateral wall of washing tank, first horizontal through-hole link up with vertical through-hole, first horizontal through-hole passes through water pipe coupling and connects the wash tub pipe, still sets up the horizontal through-hole of second on the lateral wall of washing tank, the horizontal through-hole of second link up with vertical through-hole, the horizontal through-hole of second passes through the trachea joint connection trachea of blowing.

Further, set up the lantern ring in the vertical through-hole of washing tank, lantern ring outside limit both ends are equipped with annular protrusion, and annular cavity is formed to annular protrusion, the outer wall of the lantern ring and the inner wall of washing tank, lies in annular cavity's position on the lantern ring, sets up a plurality of apertures, annular cavity and first horizontal through-hole, the horizontal through-hole intercommunication of second.

Furthermore, a counter bore is arranged above the inner hole of the cleaning tank, the lantern ring is arranged in the counter bore, and the inner hole of the lantern ring is the same as the inner hole of the cleaning tank in aperture.

Further, the second lateral through hole is located above the first lateral through hole.

Further, the middle part of the lantern ring is also provided with an annular protrusion, the annular protrusion in the middle part of the lantern ring divides the annular cavity into an upper cavity and a lower cavity, the upper cavity is communicated with the second transverse through hole, and the lower cavity is communicated with the first transverse through hole.

Furthermore, the number of the first transverse through holes is two, the first transverse through holes are symmetrically arranged on two sides of the cleaning tank, the two first transverse through holes are coaxial, and the axis of the second transverse through hole is perpendicular to the axis of the first transverse through hole.

Further, an annular groove is formed in the annular protrusion, and a sealing ring is arranged in the annular groove.

Furthermore, a sewer pipe is arranged below the vertical through hole.

Furthermore, the small holes are uniformly distributed on the collar walls at the positions of the upper cavity and the lower cavity.

Further, the cross section of the outer side surface of the cleaning tank is square, and the water pipe joint and the air pipe joint are arranged on the adjacent side surfaces.

The utility model has the advantages that:

(1) high-pressure drying after high-pressure washing, and quick and efficient washing;

(2) the cross contamination of the experimental reagent is avoided, and the experimental precision is improved.

Drawings

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

FIG. 2 is a schematic sectional perspective view of the present invention;

FIG. 3 is another perspective view of the present invention;

FIG. 4 is a cross-sectional view of the collar fitted into the counterbore of the sink bowl;

FIG. 5 is a schematic perspective view of the collar;

FIG. 6 is a schematic view of a multi-unit cleaning apparatus installation.

The reference numbers in the drawings are respectively:

1. a cleaning tank; 2, vertical through holes;

3. a first lateral through hole; 4, a water pipe joint;

5. a water pipe; a second transverse through hole;

7. a gas pipe joint; 8, a trachea;

9. a launching joint; 10, a collar;

11. an annular protrusion; 12, a small hole;

13. an upper chamber; a lower cavity;

15. an annular groove; a housing;

17. and (7) a cover plate.

Detailed Description

The following describes in detail a specific embodiment of the pipette needle cleaning device of the present invention with reference to the drawings.

Referring to the attached drawing 1, the liquid transferring needle cleaning device comprises a columnar cleaning tank 1, wherein a vertical through hole 2 is formed in the middle of the cleaning tank 1 and used for inserting a liquid transferring needle, a first transverse through hole 3 is formed in the side wall of the cleaning tank 1, the first transverse through hole 3 is communicated with the vertical through hole 2, the first transverse through hole 3 is connected with a flushing water pipe 5 through a water pipe connector 4, and the flushing water pipe 5 is used for spraying water to the liquid transferring needle inserted into the vertical through hole 2 for flushing.

A second transverse through hole 6 is formed in the side wall of the cleaning tank 1, the second transverse through hole 6 is communicated with the vertical through hole 2, and the second transverse through hole 6 is connected with an air blowing air pipe 8 through an air pipe connector 7. The air pipe 8 is connected with an air source to blow the cleaned liquid-transferring needle. The second transverse through hole 6 is positioned below the first transverse through hole 3, so that the liquid on the liquid transferring needle is completely dried, and flushing liquid in a water pipe can be prevented from entering the air pipe.

The two first transverse through holes 3 are symmetrically arranged on two sides of the cleaning tank 1, the two first transverse through holes 3 are coaxial, and the axis of the second transverse through hole 6 is perpendicular to the axis of the first transverse through hole 3. The two first transverse holes are connected with two flushing water pipes 5, and the liquid transferring needle is flushed from two directions simultaneously. The section of the outer side surface of the cleaning tank 1 is square, and the water pipe joint 4 and the air pipe joint 7 are arranged on the adjacent side surfaces.

And a lower water joint 9 is arranged below the vertical through hole 2 and used for connecting a lower water pipe and discharging flushing liquid.

Referring to the attached drawings 2-5, a counter bore is arranged above an inner hole of the cleaning tank 1, a lantern ring 10 is arranged in the counter bore, annular protrusions 11 are arranged at two end portions of the outer side edge of the lantern ring 10, the annular protrusions 11, the outer wall of the lantern ring 10 and the inner wall of the cleaning tank 1 form an annular cavity, a plurality of small holes 12 are arranged on the lantern ring 10 at the position of the annular cavity, and the annular cavity is communicated with the first transverse through hole 3 and the second transverse through hole 6. The small hole 12 communicates the annular cavity with the vertical through hole 2 of the washing tank 1.

An annular protrusion 11 is also arranged in the middle of the collar 10, the annular protrusion 11 in the middle of the collar 10 divides the annular cavity into an upper cavity 13 and a lower cavity 14, the upper cavity 13 is communicated with the first transverse through hole 3, and the lower cavity 14 is communicated with the second transverse through hole 6. An annular groove 15 is provided in the annular projection 11, and a seal ring is provided in the annular groove 15. The lower chamber 14 of the upper chamber 13 is sealed from the inner wall of the cleaning tank 1. The small holes 12 at the position of the annular cavity are uniformly distributed on the wall of the lantern ring 10 at the positions of the upper cavity 13 and the lower cavity 14. The upper chamber 13 and the lower chamber 14 are separately supplied with water and air, respectively.

Referring to fig. 6, in an automated processing apparatus or a production line, a plurality of pipetting needles are cleaned simultaneously, so that a plurality of cleaning devices can be arranged in a desired layout as a whole, and a protective housing 16 is manufactured on the basis of the whole, and a cover plate 17 above the housing 16 is connected with the cleaning devices through fasteners. The cover plate 17 is provided with a liquid-transferring needle hole which is communicated with the vertical through hole 2 of the cleaning tank 1. The water pipe connector 4 and the air pipe connector 7 penetrate out of the side of the shell 16 and are connected to a water source and an air source.

During operation, the liquid-transferring needle extends into the vertical through hole 2, the water pipe is opened, pressure flushing liquid is sent into the lower cavity 14 of the lantern ring 10, and the flushing liquid carries out high-pressure jet flushing on the liquid-transferring needle from the small hole 12 of the lower cavity 14. After the predetermined time of flushing, the water pipe is closed. And opening an air pipe, blowing compressed air to the completely cleaned liquid transfer needle from the small hole 12 of the upper cavity 13 of the lantern ring 10, quickly evaporating residual liquid on the liquid transfer needle, and blowing air for a preset time to finish the cleaning and blow-drying process of the liquid transfer needle.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a pipetting needle belt cleaning device which characterized in that: including the column washing tank, set up vertical through-hole in the middle of the washing tank, set up first horizontal through-hole on the lateral wall of washing tank, first horizontal through-hole link up with vertical through-hole, first horizontal through-hole passes through water pipe articulate wash pipe, still sets up the horizontal through-hole of second on the lateral wall of washing tank, the horizontal through-hole of second link up with vertical through-hole, the horizontal through-hole of second links up through the trachea of blowing through the trachea articulate.

2. The pipette needle cleaning device of claim 1, wherein: the cleaning tank is characterized in that a lantern ring is arranged in the vertical through hole of the cleaning tank, annular protrusions are arranged at two end portions of the outer side edge of the lantern ring, an annular cavity is formed by the annular protrusions, the outer wall of the lantern ring and the inner wall of the cleaning tank, a plurality of small holes are formed in the position, located on the lantern ring, of the annular cavity, and the annular cavity is communicated with the first transverse through hole and the second transverse through hole.

3. The pipette needle cleaning device of claim 2, wherein: the inner hole of the cleaning tank is provided with a counter bore, the lantern ring is arranged in the counter bore, and the aperture of the inner hole of the lantern ring is the same as that of the inner hole of the cleaning tank.

4. The pipette needle cleaning device of claim 2, wherein: the second transverse through hole is positioned above the first transverse through hole.

5. The pipette needle cleaning device of claim 4, wherein: the lantern ring middle part also sets up annular protrusion, annular protrusion at lantern ring middle part divides into epicoele and cavity of resorption with annular cavity, the epicoele communicates with each other with the horizontal through-hole of second, the cavity of resorption communicates with each other with first horizontal through-hole.

6. The pipette needle washing device of any one of claims 1 to 5, wherein: the first transverse through holes are symmetrically arranged on two sides of the cleaning tank, the two first transverse through holes are coaxial, and the axis of the second transverse through hole is perpendicular to the axis of the first transverse through hole.

7. The pipette needle cleaning device of claim 4, wherein: the annular protrusion is provided with an annular groove, and a sealing ring is arranged in the annular groove.

8. The pipette needle washing device of any one of claims 1 to 5, wherein: and a sewer pipe is arranged below the vertical through hole.

9. The pipette needle washing device of claim 5, wherein: the small holes are uniformly distributed on the annular walls of the upper cavity and the lower cavity.

10. The pipette needle washing device of any one of claims 1 to 5, wherein: the cross section of the outer side surface of the cleaning tank is square, and the water pipe joint and the air pipe joint are arranged on the adjacent side surfaces.