CN219168461U

CN219168461U - Pipette tube

Info

Publication number: CN219168461U
Application number: CN202320283907.8U
Authority: CN
Inventors: 章瑾; 宣丹英; 孙建伟
Original assignee: Zhejiang Origin Biotechnology Co ltd
Current assignee: Zhejiang Origin Biotechnology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-13
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a pipette, in particular to the technical field of pipettes, which comprises a first pipette, wherein one end of the first pipette is provided with a second pipette, the other end of the first pipette is provided with a third pipette, the third pipette is provided with a marking line, one end of the third pipette is provided with an ear washing ball, a connecting block is arranged in the ear washing ball, a groove is formed in the connecting block, a first through hole is formed in the top of the connecting block, and a protection mechanism is arranged in the first through hole. According to the utility model, the protection mechanism is arranged, so that the joint of the third pipette and the ear washing ball can be protected through the protection mechanism, and an operator can effectively avoid liquid from entering the ear washing ball when the liquid is transferred through the cooperation of the first pipette, the second pipette, the third pipette and the ear washing ball, so that the reliability of the device in use is improved.

Description

Pipette tube

Technical Field

The utility model relates to the technical field of pipettes, in particular to a pipette.

Background

The pipette is a measuring device for accurately taking out a certain volume of solution, is only used for measuring the volume of the solution discharged by the pipette, is an elongated glass tube with an expanded part in the middle, the lower end of the elongated glass tube is in a sharp mouth shape, a marking line is carved on the neck of the upper end of the elongated glass tube and is a mark of the accurate volume to be taken, the conventional pipette is of specifications such as 5, 10, 25, 50 and 75, a straight glass tube with scales is usually called a pipette, the conventional pipette is of specifications such as 1,2,5 and 10mL, the volume to be taken by the pipette and the pipette can be usually accurate to 0.01mL, an operator can select a pipette with proper specification according to the volume and the requirement of the solution to be taken out when the pipette is used, the pipette is usually used when the solution is accurately taken out in titration analysis, and the pipette is usually used when the amount of the test solution needs to be controlled.

However, most of the prior pipettes are generally provided with the ear washing ball in a matched manner when in use, and the joint between the ear washing ball and the pipette is not provided with any protective measures, so that the phenomenon that liquid enters the ear washing ball easily occurs when the pipette is used for pipetting.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides a pipette, and by arranging a protection mechanism, liquid can be effectively prevented from entering the inside of an ear washing ball when the device is used for pipetting, so that the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pipette, includes first pipette, first pipette one end is provided with the second pipette, the first pipette other end is provided with the third pipette, be provided with the marking on the third pipette, third pipette one end is provided with the ear washing ball, the inside connecting block that is provided with of ear washing ball, the inside fluting that sets up of connecting block, first through-hole has been seted up at the connecting block top, the inside protection machanism that is provided with of first through-hole.

In a preferred embodiment, the protection mechanism comprises a first connecting plate, a second connecting plate is arranged at the bottom of the first connecting plate, and a mounting through hole is formed in the second connecting plate.

In a preferred embodiment, the installation through hole is internally provided with a pressure film, a plurality of clamping grooves are uniformly formed in two sides of the first connecting plate, and clamping blocks are arranged in the clamping grooves.

In a preferred embodiment, the cross section of the clamping block is circular, a mounting groove is formed in one side of the clamping block, and a first spring is arranged in the mounting groove.

In a preferred embodiment, the outer surface of the first spring is provided with a rubber film, one side of the first spring is provided with a limiting plate, and one side of the limiting plate is provided with a fixing rod.

In a preferred embodiment, one end of the fixing rod is connected with the inner wall of the first through hole, a second spring is arranged on the fixing rod, and a rubber film is arranged on the outer surface of the second spring.

In a preferred embodiment, a pull plate is arranged on top of the first connecting plate, and the first connecting plate and the pull plate are both arc-shaped.

In a preferred embodiment, the two sides of the connecting block are respectively provided with a second through hole, wherein a connecting pipe is arranged in one second through hole, and the inner wall of the connecting pipe is connected with the outer wall of the third pipette.

The utility model has the technical effects and advantages that:

through setting up protection machanism for the junction of third pipette and ear washing ball can be protected through protection machanism, thereby make operating personnel carry out the liquid through the cooperation of first pipette, second pipette, third pipette and ear washing ball and can effectually avoid liquid to get into in the ear washing ball when moving liquid, consequently make the device reliability when using promoted, and through the reasonable setting of protection machanism, make the change step and the installation step of pressure membrane comparatively simple, thereby made things convenient for operating personnel to change the pressure membrane of damage.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is an enlarged view of the structure of fig. 3B according to the present utility model.

The reference numerals are: 1. a first pipette; 2. a second pipette; 3. a third pipette; 4. marking lines; 5. ear washing balls; 6. a connecting block; 7. a first connection plate; 8. a second connecting plate; 9. a pressure membrane; 10. a clamping block; 11. a first spring; 12. a limiting plate; 13. a fixed rod; 14. a second spring; 15. pulling a plate; 16. and (5) connecting pipes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The pipette comprises a first pipette 1, a second pipette 2 is arranged at one end of the first pipette 1, a third pipette 3 is arranged at the other end of the first pipette 1, a marking 4 is arranged on the third pipette 3, an ear washing ball 5 is arranged at one end of the third pipette 3, a connecting block 6 is arranged inside the ear washing ball 5, a groove is formed in the connecting block 6, a first through hole is formed in the top of the connecting block 6, and a protection mechanism is arranged inside the first through hole so as to facilitate liquid transferring through the cooperation of the first pipette 1, the second pipette 2, the third pipette 3 and the ear washing ball 5.

As shown in fig. 1, 3 and 4, the protection mechanism comprises a first connecting plate 7, a second connecting plate 8 is arranged at the bottom of the first connecting plate 7, a mounting through hole is formed in the second connecting plate 8, a pressure film 9 is arranged in the mounting through hole, a plurality of clamping grooves are uniformly formed in two sides of the first connecting plate 7, a clamping block 10 is arranged in the clamping groove, the cross section of the clamping block 10 is circular, a mounting groove is formed in one side of the clamping block 10, a first spring 11 is arranged in the mounting groove, a rubber film is arranged on the outer surface of the first spring 11, a limiting plate 12 is arranged on one side of the first spring 11, a fixing rod 13 is arranged on one side of the limiting plate 12, one end of the fixing rod 13 is connected with the inner wall of the first through hole, a second spring 14 is arranged on the fixing rod 13, a rubber film is arranged on the outer surface of the second spring 14, a pulling plate 15 is arranged at the top of the first connecting plate 7, and the shape of the first connecting plate 7 and the pulling plate 15 is arc-shaped so that liquid can be prevented from entering the inside the ear washing ball 5 in the liquid transferring process through the protection mechanism.

As shown in fig. 1 and 3, the two sides of the connecting block 6 are respectively provided with a second through hole, wherein a connecting pipe 16 is arranged in one second through hole, and the inner wall of the connecting pipe 16 is connected with the outer wall of the third pipette 3 so as to connect the protection mechanism with the third pipette 3 through the connecting pipe 16.

The working principle of the utility model is as follows: when the device is used for pipetting liquid, the second pipette 2 is only required to be placed into the liquid to be pipetted, then the ear washing ball 5 is extruded, so that the liquid can enter the second pipette 2, the first hydraulic pipe and the third pipette 3, and when the liquid reaches the marking 4 arranged at the third pipette 3, the liquid can be pipetted, when the pressure film 9 is required to be replaced, the first connecting plate 7 and the second connecting plate 8 can be taken out from the connecting block 6 only by holding the pull plate 15 and pulling upwards, and after the second connecting plate 8 is taken out, the pressure film 9 positioned in the second connecting plate 8 can be replaced.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. Pipette comprising a first pipette (1), characterized in that: first pipette (1) one end is provided with second pipette (2), the first pipette (1) other end is provided with third pipette (3), be provided with marking (4) on third pipette (3), third pipette (3) one end is provided with ear washing ball (5), ear washing ball (5) inside is provided with connecting block (6), the inside recess of seting up of connecting block (6), first through-hole has been seted up at connecting block (6) top, first through-hole inside is provided with protection machanism.

2. A pipette as defined in claim 1, wherein: the protection mechanism comprises a first connecting plate (7), a second connecting plate (8) is arranged at the bottom of the first connecting plate (7), and an installation through hole is formed in the second connecting plate (8).

3. A pipette as defined in claim 2, wherein: the installation through hole is internally provided with a pressure film (9), a plurality of clamping grooves are uniformly formed in two sides of the first connecting plate (7), and clamping blocks (10) are arranged in the clamping grooves.

4. A pipette as defined in claim 3 wherein: the cross section of the clamping block (10) is circular, one side of the clamping block (10) is provided with a mounting groove, and a first spring (11) is arranged in the mounting groove.

5. A pipette as recited in claim 4 wherein: the outer surface of the first spring (11) is provided with a rubber film, one side of the first spring (11) is provided with a limiting plate (12), and one side of the limiting plate (12) is provided with a fixing rod (13).

6. A pipette as recited in claim 5 wherein: one end of the fixed rod (13) is connected with the inner wall of the first through hole, a second spring (14) is arranged on the fixed rod (13), and a rubber film is arranged on the outer surface of the second spring (14).

7. A pipette as defined in claim 2, wherein: the top of the first connecting plate (7) is provided with a pulling plate (15), and the shapes of the first connecting plate (7) and the pulling plate (15) are arc-shaped.

8. A pipette as defined in claim 1, wherein: connecting block (6)

Second through holes are respectively arranged on two sides, a connecting pipe (16) is arranged in one of the second through holes,

the inner wall of the connecting pipe (16) is connected with the outer wall of the third pipette (3).