CN203899542U - Cutting and stirring device for laboratory - Google Patents
Cutting and stirring device for laboratory Download PDFInfo
- Publication number
- CN203899542U CN203899542U CN201420130767.1U CN201420130767U CN203899542U CN 203899542 U CN203899542 U CN 203899542U CN 201420130767 U CN201420130767 U CN 201420130767U CN 203899542 U CN203899542 U CN 203899542U
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- Prior art keywords
- paddle
- stirring
- shaft
- cutting
- laboratory
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Abstract
The utility model provides a cutting and stirring device for a laboratory. The device comprises a motor, wherein an output shaft of the motor is connected with a stirring shaft, a first stirring blade and a second stirring blade are arranged at the lower end of the stirring shaft, the vertical projection area of the first stirring blade is not equal to that of the second stirring blade, and the horizontal distance between the center of gravity of the first stirring blade and the axis of the stirring shaft is equal to that between the center of gravity of the second stirring blade and the axis of the stirring shaft; two corresponding cutting blades are also arranged in the middle of the stirring shaft and arranged horizontally. The cutting and stirring device for the laboratory has functions of eliminating dead corners during stirring and cutting, stirring can be more uniform, and the stirring efficiency can be improved.
Description
Technical field
The utility model relates to a kind of agitating device, is specifically related to a kind of device with cutting and agitating function for laboratory.
Background technology
Prepare in liquid preparation process in laboratory, often use agitating device, for solution is carried out to dispersed with stirring, conventional oar formula agitating device and electromagnetic mixing apparatus on medicament at present, for oar formula agitating device, it comprises the shaft being in transmission connection with power output shaft, and two blades that size is identical are installed on shaft.In use, there is larger stirring dead angle in existing oar formula agitating device, is difficult to stir.
Utility model content
The purpose of this utility model is to provide a kind of laboratory cutting agitating device, can be with the technical problem stirring to eliminate oar formula agitating device of the prior art.
The technical solution of the utility model is such:
A kind of laboratory cutting agitating device, comprise motor, the output shaft of described motor is connected with shaft, the lower end of described shaft is provided with the first paddle and the second paddle, the vertical projected area of described the first paddle is not equal to the vertical projected area of the second paddle, and the center of gravity of described the first paddle equals the center of gravity of the second paddle to the horizontal range in shaft axle center to the horizontal range in shaft axle center; The middle part of described shaft is also provided with two corresponding cutting leaves, and described cutting leaf is horizontally disposed with.
According to cutting agitating device in laboratory of the present utility model, by making the vertical projected area of the first paddle and the second paddle unequal, the stirring amplitude difference of two paddles to liquid while making to stir, reduce and even eliminate the stable isolated area forming up and down at blade in prior art whipping process, increase stirring efficiency.Equate by the distance that makes the distance of centre of gravity of the first paddle and the second paddle stir axle center, when the stirring that makes, two paddles rotate reposefully.In whipping process, by the cut-off blade of top, the liquid stirring is had to dissection, be applicable to stir the solution that the solid-liquid such as emulsion, liposome mixes.Therefore, cutting agitating device in laboratory of the present utility model has the dead angle of eliminating in whipping process, the effect of cutting, can make to stir more evenly and can improve stirring efficiency.
Material, size and the intensity of paddle of the present utility model can be selected as required, are generally stainless steel and make, and the distance in distance of centre of gravity shaft axle center is 2cm.Paddle and shaft can weld together.The diameter of shaft is as the criterion to meet intensity, unsuitable excessive, is generally 0.3-0.5cm and is advisable.
In addition, cutting agitating device in laboratory of the present utility model can also have with additional technical feature:
For increasing the axial velocity of liquid, increase the mixing of upper and lower liquid, at least one is inclined for described the first paddle and the second paddle.
In laboratory, move and fix for this laboratory cutting agitating device is more suitable for, described motor is connected on support by connecting rod.
For the solution that the first paddle and the second paddle are stirred has good dissection, described cutting leaf and the first paddle or the second paddle should have suitable distance, experimental results show that general distance is that 2-3cm is advisable.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of paddle part of the present utility model;
Fig. 3 is the structural representation of paddle of the present utility model when inclined.
Detailed description of the invention
Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to Fig. 1-3, the laboratory cutting agitating device according to the utility model embodiment is described.Its bag motor 1, shaft coupling 2, shaft 3, the first paddle 4, the second paddle 5, connecting rod 6, support 7 and cutting leaf 8.
Motor 1 is fixed on support 7 by connecting rod 6.The axle shaft of motor 1 is connected with shaft 3 by shaft coupling 2, and the both sides of shaft 3 lower ends are welded and are provided with the first paddle 4 and the second paddle 5, and in the scope of the permission of structure and intensity, the first paddle 4 and the second paddle 5 are the bigger the better.The middle part of shaft 3 is also provided with two corresponding cutting leaves 8, and described cutting leaf 8 is horizontally disposed with.The vertical distance of cutting leaf 8 and the first paddle 4 and the second paddle 5 is 2cm.
As shown in Figure 3, the first paddle 4 and the second paddle 5 are divided into vertical projected area a1 and horizontal projected area a2, and the vertical projected area of the first paddle 4 is less than the vertical projected area of the second paddle 5.During due to stirring, the major influence factors of agitation force is the size of vertical projected area, therefore the stirring amplitude difference of two paddles to liquid while making to stir, reduces and even eliminates the stable isolated area forming up and down at blade in prior art whipping process, increases stirring efficiency.Its first paddle 4 or the second paddle 5 can be vertically to place, and can one of them be at least also heeling condition, and excellent its is that the second paddle 5 is heeling condition.In the time that it is heeling condition, this paddle has axial shear force to liquid, for increasing the axial velocity of liquid, increases the mixing of upper and lower liquid.
As shown in Figure 2, the center of gravity 8 of the first paddle 4 equals the center of gravity of the second paddle 5 to the horizontal range h2 in shaft 3 axle center to the horizontal range h1 in shaft 3 axle center, and when the stirring making, two paddles rotate reposefully.Wherein, because the vertical projected area of the first paddle 4 is less than the vertical projected area of the second paddle 5, for making the position of its center of gravity consistent with the center of gravity of the second paddle, can increase the thickness of the first paddle 4.
Material, size and the intensity of two paddles of the present embodiment can be selected as required, and for stainless steel is made, the distance in distance of centre of gravity shaft axle center is 2cm.Paddle and shaft 3 can weld together.The diameter of shaft 3 is as the criterion to meet intensity, unsuitable excessive, is generally 0.5cm and is advisable.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (4)
1. a laboratory cutting agitating device, it is characterized in that, comprise motor, the output shaft of described motor is connected with shaft, the lower end of described shaft is provided with the first paddle and the second paddle, the vertical projected area of described the first paddle is not equal to the vertical projected area of the second paddle, and the center of gravity of described the first paddle equals the center of gravity of the second paddle to the horizontal range of shaft axle to the horizontal range in shaft axle center; The middle part of described shaft is also provided with two corresponding cutting leaves, and described cutting leaf is horizontally disposed with.
2. cutting agitating device in laboratory according to claim 1, is characterized in that, at least one is inclined for described the first paddle and the second paddle.
3. cutting agitating device in laboratory according to claim 1, is characterized in that, described motor is connected on support by connecting rod.
4. cutting agitating device in laboratory according to claim 1, is characterized in that, the distance of described cutting leaf and the first paddle or the second paddle is 2-3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420130767.1U CN203899542U (en) | 2014-03-23 | 2014-03-23 | Cutting and stirring device for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420130767.1U CN203899542U (en) | 2014-03-23 | 2014-03-23 | Cutting and stirring device for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203899542U true CN203899542U (en) | 2014-10-29 |
Family
ID=51773834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420130767.1U Expired - Fee Related CN203899542U (en) | 2014-03-23 | 2014-03-23 | Cutting and stirring device for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203899542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381743A (en) * | 2015-11-06 | 2016-03-09 | 合肥安奎思成套设备有限公司 | Vertical stirrer |
-
2014
- 2014-03-23 CN CN201420130767.1U patent/CN203899542U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381743A (en) * | 2015-11-06 | 2016-03-09 | 合肥安奎思成套设备有限公司 | Vertical stirrer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150323 |
|
| EXPY | Termination of patent right or utility model |