CN215655222U - Micro-adjustable liquid transfer device - Google Patents
Micro-adjustable liquid transfer device Download PDFInfo
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- CN215655222U CN215655222U CN202122218909.2U CN202122218909U CN215655222U CN 215655222 U CN215655222 U CN 215655222U CN 202122218909 U CN202122218909 U CN 202122218909U CN 215655222 U CN215655222 U CN 215655222U
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- range
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- fixing button
- liquid taking
- adjusting knob
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Abstract
The utility model relates to a micro-adjustable pipette, comprising: the liquid taking range adjusting knob is arranged between the liquid taking range adjusting knob and the main body of the liquid transferring device body; the shape of the top of the range fixing button is matched with the shape of the bottom connected with the liquid taking range adjusting knob; a plurality of strip-shaped bulges arranged along the axial direction of the liquid transfer device body are arranged on the outer circumference of the range fixing button; the main part top inner hole wall of pipettor body corresponds the bar arch and is provided with the bar recess. The micro-adjustable pipettor can effectively prevent the measuring range from changing when a thumb presses a liquid taking button in the using process, and guarantee the liquid taking precision.
Description
Technical Field
The utility model relates to the technical field of teaching equipment, in particular to a trace adjustable pipettor.
Background
The micro-adjustable pipettor is a novel experimental tool for moving micro-liquid in a laboratory, and has the characteristics of continuous adjustability, rapidness, accuracy, micro-quantity and the like compared with other liquid moving tools (a beaker, a measuring cylinder, a pipette and the like). The adjustable micro-pipette is a precision instrument for measuring the volume of 0.1 muL-10 mL liquid, is a necessary tool for collecting and transferring samples in the analysis process of biological, chemical and clinical experiments and the like, and is an indispensable instrument for experimental operation in a biological laboratory.
Because the range adjusting knob and the liquid taking press button of the micro-adjustable pipette are combined, when liquid is taken after range adjustment, the thumb presses the liquid taking press button and simultaneously the press button can rotate, so that the preset range is changed, and the experimental liquid taking error is caused.
SUMMERY OF THE UTILITY MODEL
The application provides an adjustable pipettor of trace solves or partially has solved current adjustable pipettor of trace and when the thumb pressed and gets the liquid button, can cause rotatory change to the button to result in the range that preset is good to change, arouse the experiment and get the technical problem of liquid error, realized effectively preventing to lead to the range to change when the thumb pressed and gets the liquid button in the use, the guarantee is got the liquid precision.
The application provides an adjustable pipettor of trace, includes: the liquid taking device comprises a liquid transferring device body and a range fixing button, wherein the range fixing button is sleeved on a rod body connected with a liquid taking range adjusting knob of the liquid transferring device body, and the range fixing button is positioned between the liquid taking range adjusting knob and a main body of the liquid transferring device body; the shape of the top of the range fixing button is matched with the shape of the bottom connected with the liquid taking range adjusting knob; a plurality of strip-shaped bulges arranged along the axial direction of the liquid transfer device body are arranged on the outer circumference of the range fixing button; the inner hole wall of the top of the main body of the pipettor body is provided with a strip-shaped groove corresponding to the strip-shaped protrusion.
Preferably, the plurality of the bar-shaped protrusions are uniformly arranged along the outer circumference of the range fixing button.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the liquid taking range adjusting knob is sleeved on the rod body connected with the liquid taking range adjusting knob of the liquid transferring device body, and the range fixing button is located between the liquid taking range adjusting knob and the main body of the liquid transferring device body; the top shape of the range fixing button is adapted to the bottom shape of the liquid taking range adjusting knob, and after the liquid taking range adjusting knob is pressed down to enable the bottom surface of the liquid taking range adjusting knob to be tightly attached to the top surface of the range fixing button, the liquid taking range adjusting knob can be prevented from rotating relative to the range fixing button by static friction between the liquid taking range adjusting knob and the range fixing button; a plurality of strip-shaped bulges arranged along the axial direction of the liquid transfer device body are arranged on the outer circumference of the range fixing button; the corresponding bar arch of main part top inner bore wall of pipettor body is provided with the bar recess, presses down range fixed button before getting liquid, makes the bar arch stretch into the bar recess after, can restrict the relative main part rotation of pipettor body of range fixed button. Like this, solve or partially solved current adjustable pipettor of trace and when the thumb pressed and got the liquid button, can cause rotatory change to the button to lead to the range that preset is changed, arouse the technical problem of experiment liquid taking error, realized effectively preventing to lead to the range to change when the thumb pressed and got the liquid button in the use, the guarantee accuracy of getting liquid.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of a micropipette provided in an embodiment of the present application;
fig. 2 is an enlarged schematic view of a liquid-taking range adjusting knob, a rod body, a range fixing button, and a main body in the adjustable micropipette according to the embodiment of the present application.
(in the figure, the parts represented by the reference numbers are 1 liquid taking range adjusting knob, 2 rod bodies, 3 range fixing buttons, 4 main bodies, 5 liquid transferring device bodies, 6 strip-shaped bulges and 7 strip-shaped grooves in sequence)
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to solve or partially solve the technical problems in the prior art, the technical scheme adopted by the application is as follows:
sleeving a range fixing button on a rod body connected with a liquid taking range adjusting knob of a liquid transfer machine body, wherein the range fixing button is positioned between the liquid taking range adjusting knob and a main body of the liquid transfer machine body; the top shape of the range fixing button is matched with the shape of the bottom connected with the liquid taking range adjusting knob, and a plurality of strip-shaped bulges arranged along the axial direction of the liquid transfer device body are arranged on the outer circumference of the range fixing button; the main part top inner hole wall of pipettor body corresponds the bar arch and is provided with the bar recess.
The composition structure and the working principle of the adjustable micropipette of the present application are described in detail below by specific examples:
referring to fig. 1 and 2, the present application provides a micropipette comprising: the liquid taking range adjusting device comprises a pipettor body 5 and a range fixing button 3, wherein the range fixing button 3 is sleeved on a rod body 2 connected with a liquid taking range adjusting knob 1 of the pipettor body 5, and the range fixing button 3 is positioned between the liquid taking range adjusting knob 1 and a main body 4 of the pipettor body 5; the shape of the top of the range fixing button 3 is adapted to the shape of the bottom connected with the liquid taking range adjusting knob 1; a plurality of strip-shaped bulges 6 arranged along the axial direction of the liquid transfer device body 5 are arranged on the outer circumference of the range fixing button 3; the inner hole wall of the top of the main body 4 of the pipette body 5 is provided with a strip-shaped groove 7 corresponding to the strip-shaped protrusion 6.
The plurality of strip-shaped bulges 6 are uniformly distributed along the outer circumference of the range fixing button 3, so that the range fixing button 3 can be pressed down and fixed conveniently.
The range fixing button 3 is sleeved on the rod body 2 connected with the liquid taking range adjusting knob 1 of the pipettor body 5, and the range fixing button 3 is positioned between the liquid taking range adjusting knob 1 and the main body 4 of the pipettor body 5; the top shape of the range fixing button 3 is adapted to the bottom shape connected with the liquid taking range adjusting button 1, and after the liquid taking range adjusting button 1 is pressed down to enable the bottom surface to be tightly attached to the top surface of the range fixing button 3, the liquid taking range adjusting button 1 can be prevented from rotating relative to the range fixing button 3 through static friction between the liquid taking range adjusting button 1 and the range fixing button; a plurality of strip-shaped bulges 6 arranged along the axial direction of the liquid transfer device body 5 are arranged on the outer circumference of the range fixing button 3; the corresponding bar arch 6 of 4 top inner hole walls of main part of pipettor body 5 is provided with bar recess 7, presses down range fixed button 3 before getting liquid, makes protruding 6 of bar stretch into bar recess 7 after, can restrict the relative main part 4 of pipettor body 5 of range fixed button 3 and rotate, and effectively prevent in the use that the thumb from pressing when getting liquid button leads to the range to change promptly, and the guarantee accuracy of getting liquid.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A micro adjustable pipette, comprising: the liquid taking device comprises a liquid transferring device body and a range fixing button, wherein the range fixing button is sleeved on a rod body connected with a liquid taking range adjusting knob of the liquid transferring device body, and the range fixing button is positioned between the liquid taking range adjusting knob and a main body of the liquid transferring device body; the shape of the top of the range fixing button is matched with the shape of the bottom connected with the liquid taking range adjusting knob; a plurality of strip-shaped bulges arranged along the axial direction of the liquid transfer device body are arranged on the outer circumference of the range fixing button; the inner hole wall of the top of the main body of the pipettor body is provided with a strip-shaped groove corresponding to the strip-shaped protrusion.
2. The adjustable micropipette of claim 1, wherein a plurality of said bar-shaped protrusions are evenly arranged along an outer circumference of said range fixing button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122218909.2U CN215655222U (en) | 2021-09-14 | 2021-09-14 | Micro-adjustable liquid transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122218909.2U CN215655222U (en) | 2021-09-14 | 2021-09-14 | Micro-adjustable liquid transfer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215655222U true CN215655222U (en) | 2022-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122218909.2U Active CN215655222U (en) | 2021-09-14 | 2021-09-14 | Micro-adjustable liquid transfer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215655222U (en) |
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2021
- 2021-09-14 CN CN202122218909.2U patent/CN215655222U/en active Active
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