CN213254516U

CN213254516U - A pipette for cell culture

Info

Publication number: CN213254516U
Application number: CN202020879923.XU
Authority: CN
Inventors: 岑伟图
Original assignee: Xinjiang Miaoren Medical Supplies Co ltd
Current assignee: Xinjiang Miaoren Medical Supplies Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2021-05-25
Anticipated expiration: 2030-05-23

Abstract

The utility model relates to a cell culture technical field specifically is a pipette for cell culture, including liquid suction pipe down, liquid suction pipe's upper end is connected with liquid-transfering storage tube down, and liquid suction pipe's lower extreme is provided with the suction head down, be provided with down the section of thick bamboo that dams between liquid suction pipe and the suction head down, liquid-transfering storage tube's the other end is connected with the connecting cylinder, and liquid-transfering storage tube is connected with liquid suction pipe through last connecting cylinder, the upper end of going up liquid suction pipe is connected with adapter sleeve, and goes up and is provided with the section of thick bamboo that dams between liquid suction pipe and the adapter sleeve. This design is through the application of detachable S type liquid-transfering storage tube for liquid can not flow back or spill in liquid-transfering storage tube inside, and the cooperation is gone up and is dammed a section of thick bamboo and the application of damming a section of thick bamboo down, can not have remaining liquid and drip by the suction head, and can keep the pressure balance in the pipette, the phenomenon of liquid backward flow in the pipette can not appear, and is with low costs, and it is simple and direct to operate moreover, and is more stable convenient to the transfer of solution, and efficiency is higher.

Description

A pipette for cell culture

Technical Field

The utility model relates to a cell culture technical field specifically is a pipette for cell culture.

Background

The pipette is the volume ware that is used for the accurate solution of getting a certain volume of moving, and the cell culture need use the pipette in the process, moves the liquid, and traditional pipette hugs closely the pipette upper end through the aurilave, extrudees the aurilave and controls the aurilave, absorbs liquid and gets into the pipette, and on will treating to be full of liquid in the pipette again to the scale mark, the pipette upper end is plugged up to the rethread finger, and slow operation is with solution to scale mark to realize the transfer to liquid.

However, the operation is very troublesome in the process of sucking liquid by the traditional pipette, in the process of transferring solution, the traditional linear long tube is easy to leak liquid after storing the liquid and is not perfect in the moving process, and partial liquid is easy to drip out of the suction head due to the fact that the liquid is not completely transferred into the pipette by being sucked. Accordingly, one skilled in the art provides a pipette for cell culture to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a pipette for cell culture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipette for cell culture, includes liquid suction pipe down, the upper end of liquid suction pipe is connected with moves liquid storage tube down, and the lower extreme of liquid suction pipe is provided with the suction head down, be provided with down between liquid suction pipe and the suction head and cut off a section of thick bamboo, and be provided with down the connecting cylinder between liquid suction pipe and the liquid-moving storage tube down, the other end that moves liquid storage tube is connected with the connecting cylinder, and moves liquid storage tube and be connected with liquid suction pipe through last connecting cylinder, the surface that moves liquid storage tube is provided with the scale mark, the upper end of going up liquid suction pipe is connected with adapter sleeve, and is provided with between liquid suction pipe and the adapter sleeve and cuts off a section of thick bamboo on going up, adapter sleeve's upper end is connected with first connecting pipe, and adapter.

As a further aspect of the present invention: first connecting pipe and auricle ball formula through connection as an organic whole, and the surface of first connecting pipe and adapter sleeve's internal surface all are provided with the screw thread, first connecting pipe just passes through threaded connection with adapter sleeve looks adaptation, adapter sleeve and last liquid suction pipe formula through connection as an organic whole.

As a further aspect of the present invention: go up the lower extreme of drawing liquid pipe and correspond last connecting cylinder department and be provided with the second connecting pipe, the surface of second connecting pipe and the internal surface of last connecting cylinder all are provided with the screw thread, the second connecting pipe just passes through threaded connection with last connecting cylinder looks adaptation, move liquid storage tube's one end and last drawing liquid pipe through second connecting pipe and last connecting cylinder through connection.

As a further aspect of the present invention: the position department of connecting cylinder is provided with the third connecting pipe under the upper end of liquid suction pipe corresponds, the surface of third connecting pipe and the internal surface of lower connecting cylinder all are provided with the screw thread, the third connecting pipe just passes through threaded connection with lower connecting cylinder looks adaptation, move liquid the other end of storage tube and liquid suction pipe down through connecting cylinder and third connecting pipe through connection down, move liquid the storage tube and be the component of an S type clear glass material.

As a further aspect of the present invention: the outer surface mounting of a section of thick bamboo that dams down has the regulation cap, the inside one end department that corresponds the regulation cap of a section of thick bamboo that dams down is connected with the bull stick, the lateral surface fixedly connected with of bull stick hinders the liquid piece, the size that hinders the liquid piece and the inside size looks adaptation of a section of thick bamboo that dams down.

As a further aspect of the present invention: one end of the rotating rod penetrates through the lower closure cylinder and is connected with the adjusting cap, the other end of the rotating rod is rotatably connected with the inner wall of the lower closure cylinder, a sealing shaft is arranged at the position, penetrating through the lower closure cylinder, of one end of the lower closure cylinder, and the lower closure cylinder and the upper closure cylinder are identical in structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a pipette for cell culture, in the time of actual operation, through the application of detachable S type liquid-transfering storage tube, make things convenient for the staff with inside the solution suction to liquid-transfering storage tube, make liquid can not flow back or spill at liquid-transfering storage tube inside, it is more convenient to the transfer of solution, and cooperate on cut off a section of thick bamboo and the application of cutting off a section of thick bamboo down, make the pipette after extracting liquid, can not have residual liquid and drip by the suction head, and can keep the pressure balance in the liquid-transfering tube, the phenomenon of liquid at liquid-transfering tube backward flow can not appear, this design is not only with low costs, and it is simple and fast to operate, it is more convenient to transfer of solution, and efficiency is higher.

Drawings

FIG. 1 is a schematic diagram of a pipette for cell culture;

FIG. 2 is a disassembled schematic view of a pipette for cell culture;

fig. 3 is a schematic view of the structure of a lower closure cylinder in a pipette for cell culture.

In the figure: 1. a lower liquid pumping pipe; 2. a lower closure cylinder; 3. a suction head; 4. a lower connecting cylinder; 5. a liquid transferring and storing pipe; 6. an upper connecting cylinder; 7. an upper liquid pumping pipe; 8. a first connecting pipe; 9. connecting a sleeve; 10. scale lines; 11. an upper closure cylinder; 12. an ear-sucking ball; 13. a second connecting pipe; 14. a third connecting pipe; 21. a liquid blocking sheet; 22. a rotating rod; 23. and adjusting the cap.

Detailed Description

Please refer to fig. 1-3, in an embodiment of the present invention, a pipette for cell culture, including lower liquid suction pipe 1, the upper end of lower liquid suction pipe 1 is connected with liquid-transfering storage pipe 5, and the lower extreme of lower liquid suction pipe 1 is provided with suction head 3, be provided with down between liquid suction pipe 1 and the suction head 3 and cut off a section of thick bamboo 2, and be provided with down connecting cylinder 4 down between liquid suction pipe 1 and the liquid-transfering storage pipe 5, the other end of liquid-transfering storage pipe 5 is connected with connecting cylinder 6, and liquid-transfering storage pipe 5 is connected with liquid suction pipe 7 through last connecting cylinder 6, the surface of liquid-transfering storage pipe 5 is provided with scale mark 10, the upper end of going up liquid suction pipe 7 is connected with connecting sleeve 9, and be provided with on the section of thick bamboo 11 that cuts off between liquid suction pipe 7 and connecting sleeve 9, the upper end of connecting sleeve 9 is connected with first connecting.

First connecting

pipe

8 and 12 formula link up as an organic whole of auricle ball, and the surface of first connecting pipe 8 and the internal surface of adapter sleeve 9 all are provided with the screw thread, first connecting pipe 8 just passes through threaded connection with adapter sleeve 9 looks adaptation, adapter sleeve 9 and last liquid suction pipe 7 formula link up as an organic whole, through the interconnect of first connecting pipe 8 with adapter sleeve 9, make things convenient for the staff to change the auricle ball 12 of equidimension not according to different demands, conveniently cooperate the pipette to carry out the drawing liquid and use.

The lower end of the upper liquid suction pipe 7 is provided with a second connecting pipe 13 corresponding to the upper connecting cylinder 6, the outer surface of the second connecting pipe 13 and the inner surface of the upper connecting cylinder 6 are both provided with screw threads, the second connecting pipe 13 is matched with the upper connecting cylinder 6 and is connected with the upper connecting cylinder 6 through screw threads, one end of the liquid suction pipe 5 is communicated with the upper liquid suction pipe 7 through the second connecting pipe 13 and the upper connecting cylinder 6, the upper end of the lower liquid suction pipe 1 is provided with a third connecting pipe 14 corresponding to the lower connecting cylinder 4, the outer surface of the third connecting pipe 14 and the inner surface of the lower connecting cylinder 4 are both provided with screw threads, the third connecting pipe 14 is matched with the lower connecting cylinder 4 and is connected with the lower liquid suction pipe 1 through the lower connecting cylinder 4 and the third connecting pipe 14, the liquid suction pipe 5 is a component made of S-shaped transparent glass material, the connection between the second connecting pipe 13 and the upper connecting cylinder 6 and the connection between the lower connecting cylinder 4 and the third connecting pipe 14 are utilized, the convenience is connected liquid-transfering storage tube 5 with last liquid suction pipe 7 respectively and liquid suction pipe 1 down, it is also convenient to demolish it simultaneously, thereby be convenient for the staff selects suitable liquid-transfering storage tube 5 according to the demand of different liquid-transfering quantities, and will move liquid-transfering storage tube 5 and adopt S type design, the liquid that conveniently will need remove is stored in the U type intraductal of liquid-transfering storage tube 5 one end by liquid-transfering tube 1 suction down, thereby make things convenient for the staff to the removal of liquid, avoid the weeping appearing in the removal process, the phenomenon of spilling liquid.

An adjusting cap 23 is arranged on the outer surface of the lower closure cylinder 2, a rotating rod 22 is connected to one end of the interior of the lower closure cylinder 2 corresponding to the adjusting cap 23, a liquid blocking sheet 21 is fixedly connected to the outer side surface of the rotating rod 22, the size of the liquid blocking sheet 21 is matched with the inner size of the lower closure cylinder 2, one end of the rotating rod 22 penetrates through the lower closure cylinder 2 and is connected with the adjusting cap 23, the other end of the rotating rod 22 is rotatably connected with the inner wall of the lower closure cylinder 2, a sealing shaft is arranged at the position where one end of the lower closure cylinder 2 penetrates through the lower closure cylinder 2, the lower closure cylinder 2 and the upper closure cylinder 11 are identical in structure, after liquid pumping is finished, the adjusting cap 23 on the surfaces of the upper closure cylinder 11 and the lower closure cylinder 2 can be screwed, so that the rotating rod 22 is driven to rotate, the rotating rod 22 drives the liquid blocking sheet 21 to rotate from a state parallel to a state vertical to the liquid blocking sheet in the interior, so that the liquid blocking sheet 21 just plugs the interior, therefore, when liquid is transferred, the liquid is prevented from flowing out of the lower liquid pumping pipe 1 or flowing into the ear sucking ball 12 from the upper liquid pumping pipe 7, and the operation is simple and convenient.

The utility model discloses a theory of operation is: in the use process of the design, firstly, an ear absorption ball 12 and a liquid transferring storage tube 5 with certain size are selected according to the amount of solution to be transferred, then the ear absorption ball 12 is connected with an upper liquid pumping tube 7 through a first connecting tube 8 and a connecting sleeve 9, the upper end of the liquid transferring storage tube 5 is connected with the upper liquid pumping tube 7 through a second connecting tube 13 and an upper connecting tube 6, then the other end of the liquid transferring storage tube 5 is communicated with a lower liquid pumping tube 1 through a lower connecting tube 4 and a third connecting tube 14, then the upper cut-off tube 11 and the lower cut-off tube 2 are opened, further, the air in the ear absorption ball 12 is squeezed out, then a suction head 3 at the lower end of a pipette is put into the solution to be transferred, the ear absorption ball 12 is loosened, so that negative pressure is generated in the ear absorption ball 12, therefore, the solution can be influenced by the negative pressure in the pipette, the suction head 3 enters the liquid transferring storage tube 5 through the lower liquid pumping tube 1, the upper closure cylinder 11 and the lower closure cylinder 2 are closed, so that the pipette can be moved, at the moment, the solution to be transferred is in the pipette storage tube 5 and is blocked by the upper closure cylinder 11 and the lower closure cylinder 2, so that the liquid cannot flow back out of the pipette, the phenomenon of liquid leakage cannot occur, the operation is simple and convenient, and the safety is high.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pipette for cell culture comprises a lower liquid pumping pipe (1) and is characterized in that the upper end of the lower liquid pumping pipe (1) is connected with a liquid transferring storage pipe (5), the lower end of the lower liquid pumping pipe (1) is provided with a suction head (3), a lower closure cylinder (2) is arranged between the lower liquid pumping pipe (1) and the suction head (3), a lower connecting cylinder (4) is arranged between the lower liquid pumping pipe (1) and the liquid transferring storage pipe (5), the other end of the liquid transferring storage pipe (5) is connected with an upper connecting cylinder (6), the liquid transferring storage pipe (5) is connected with an upper liquid pumping pipe (7) through the upper connecting cylinder (6), the outer surface of the liquid transferring storage pipe (5) is provided with scale marks (10), the upper end of the upper liquid pumping pipe (7) is connected with a connecting sleeve (9), and an upper closure cylinder (11) is arranged between the upper liquid pumping pipe (7) and the connecting sleeve (9, the upper end of the connecting sleeve (9) is connected with a first connecting pipe (8), and the connecting sleeve (9) is communicated with an ear suction ball (12) through the first connecting pipe (8).

2. A pipette for cell culture according to claim 1, characterised in that the first connecting tube (8) is integrally connected through the suction bulb (12) and the outer surface of the first connecting tube (8) and the inner surface of the connecting sleeve (9) are provided with screw threads, the first connecting tube (8) is adapted to the connecting sleeve (9) and is connected through the screw threads, and the connecting sleeve (9) is integrally connected through the upper liquid suction tube (7).

3. The pipette for cell culture according to claim 1, wherein a second connecting tube (13) is arranged at the lower end of the upper liquid suction tube (7) corresponding to the upper connecting cylinder (6), the outer surface of the second connecting tube (13) and the inner surface of the upper connecting cylinder (6) are both provided with threads, the second connecting tube (13) is matched with the upper connecting cylinder (6) and is connected with the upper connecting cylinder by the threads, and one end of the liquid suction storage tube (5) is communicated with the upper liquid suction tube (7) through the second connecting tube (13) and the upper connecting cylinder (6).

4. The pipette for cell culture according to claim 1, wherein a third connecting tube (14) is provided at a position corresponding to the lower connecting cylinder (4) at the upper end of the lower liquid suction tube (1), the outer surface of the third connecting tube (14) and the inner surface of the lower connecting cylinder (4) are both provided with threads, the third connecting tube (14) is adapted to the lower connecting cylinder (4) and is connected with the lower connecting cylinder by threads, the other end of the liquid transfer and storage tube (5) is connected with the lower liquid suction tube (1) by the lower connecting cylinder (4) and the third connecting tube (14) in a penetrating manner, and the liquid transfer and storage tube (5) is a member made of S-shaped transparent glass.

5. The pipette for cell culture according to claim 1, wherein an adjusting cap (23) is mounted on the outer surface of the lower closure cylinder (2), a rotating rod (22) is connected to one end of the inner portion of the lower closure cylinder (2) corresponding to the adjusting cap (23), a liquid blocking sheet (21) is fixedly connected to the outer side surface of the rotating rod (22), and the size of the liquid blocking sheet (21) is matched with the inner size of the lower closure cylinder (2).

6. The pipette for cell culture according to claim 5, characterized in that one end of the rotating rod (22) penetrates through the lower closure cylinder (2) and is connected with the adjusting cap (23), the other end of the rotating rod (22) is rotatably connected with the inner wall of the lower closure cylinder (2), a sealing shaft is arranged at the position where one end of the lower closure cylinder (2) penetrates through the lower closure cylinder (2), and the lower closure cylinder (2) and the upper closure cylinder (11) have the same structure.