CN215612383U - Small-size centrifuge - Google Patents
Small-size centrifuge Download PDFInfo
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- CN215612383U CN215612383U CN202023311877.2U CN202023311877U CN215612383U CN 215612383 U CN215612383 U CN 215612383U CN 202023311877 U CN202023311877 U CN 202023311877U CN 215612383 U CN215612383 U CN 215612383U
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Abstract
The utility model discloses a small centrifuge, which comprises: the motor is arranged in the base; the centrifugal turntable is arranged on the base and is fixedly connected with a rotating shaft of the motor; the centrifugal turntable is provided with a plurality of jacks; the rotating speed controller is electrically connected with the motor, the rotating speed controller is arranged on the surface of the machine base in a way that a speed knob is embedded on the surface of the machine base, and the speed knob can rotate at least 4 speed grades clockwise or anticlockwise: 0-speed grade, 1-speed grade, 2-speed grade and 3-speed grade; wherein the speed grade of 0 is corresponding to the rotating speed of the motor and is 0, and the speed grade of 1-3 is corresponding to the rotating speed of the motor and is increased progressively. The utility model can adjust the rotating speed, so that different solutions can be centrifugally separated corresponding to different motor rotating speeds, and each solution can achieve better separation effect.
Description
Technical Field
The utility model relates to the technical field of electronic balance equipment, in particular to a small centrifuge.
Background
In biotechnological or chemical tests, it is often necessary to centrifuge solutions, and therefore, centrifuges are used. Centrifuges are machines that separate liquid from solid particles, or components of a liquid mixture.
The centrifuge uses the principle of gravity separation, when a test tube filled with a suspension rotates around the axis of a motor, the centrifugal force applied to each component of the suspension is different due to the different specific gravities of the components of the suspension, the heavier component of the suspension is applied with a larger centrifugal force, and the lighter component of the suspension is applied with a smaller centrifugal force, so that the centrifugation is completed.
The existing small-sized centrifuge can not adjust the rotating speed of the centrifuge and can influence the separation of different solutions. Different solutions are separated by different matching rotation speeds to achieve better separation effect. However, the conventional small-sized centrifuge does not have the function of adjusting the centrifugal rotation speed.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to solve the above technical problems, the present invention provides a small-sized centrifuge capable of adjusting a rotation speed.
The adopted technical scheme is as follows:
a mini centrifuge comprising:
the motor is arranged in the base;
the centrifugal turntable is arranged on the base and is fixedly connected with a rotating shaft of the motor; the centrifugal turntable is provided with a plurality of jacks;
the rotating speed controller is electrically connected with the motor, the rotating speed controller is arranged on the surface of the machine base in a way that a speed knob is embedded on the surface of the machine base, and the speed knob can rotate at least 4 speed grades clockwise or anticlockwise: 0-speed grade, 1-speed grade, 2-speed grade and 3-speed grade; wherein the speed grade of 0 is corresponding to the rotating speed of the motor and is 0, and the speed grade of 1-3 is corresponding to the rotating speed of the motor and is increased progressively.
Further, at least 4 speed step marks of 0-3 are marked beside the speed knob.
Further, the speed knob can be rotated clockwise or counterclockwise for 6 speed steps: 0-speed gear, 1-speed gear, 2-speed gear, 3-speed gear, 4-speed gear and 5-speed gear; wherein the speed grade of 0 is corresponding to the rotating speed of the motor and is 0, and the speed grade of 1-5 is corresponding to the rotating speed of the motor and is increased progressively.
Further, the frame is articulated with an arc flip cover, and the arc flip cover can cover the centrifugal turntable.
Further, the insertion hole is provided in an inclined shape.
Further, the motor is fixed on a rubber pad.
The utility model has the beneficial effects that:
because set up the speed knob, come several kinds of motor rotational speeds of adjustment commonly used through the speed knob, the laboratory during operation like this, different solutions can correspond different motor rotational speeds and carry out centrifugal separation, make every kind of solution can both reach the separation effect of preferred.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a small centrifuge according to embodiment 1.
Fig. 2 is a schematic top view of a centrifugal rotor disk of a small centrifuge in embodiment 1.
FIG. 3 is a schematic view of a small centrifuge according to example 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only preferred embodiments of the present invention, and 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 invention.
Example 1
Referring to fig. 1 and 2, a small-sized centrifuge includes a housing 1, a centrifugal rotor 2, and a rotation speed controller 3.
The inside of the machine base 1 is provided with a motor 4. The motor 4 is fixed on a rubber pad 5. A rubber pad 5 is also inside the housing 1. The rubber pad 5 is used for noise reduction and shock absorption.
The centrifugal turntable 2 is arranged on the base 1, and the centrifugal turntable 2 is fixedly connected with a rotating shaft 41 of the motor 4; the centrifugal turntable 2 is provided with a plurality of jacks 6; the number of the insertion holes 6 is set according to the size, and is generally 4-8. For example 4, 6 or 8. The insertion hole 6 is provided in an inclined shape. In operation, a test tube containing a solution is inserted into the through hole and secured to the through hole. Preferably, the centrifuge rotor is integrally formed of a resilient plastic material such that the receptacles allow the test tubes to be securely received.
The rotating speed controller 3 is electrically connected with the motor 4, the surface of the base 1 of the rotating speed controller 3 is embedded with a speed knob 7, and the speed knob 7 is a part of the rotating speed controller 3. The speed control is achieved by a speed knob. Specifically, the speed knob may be rotated clockwise or counterclockwise through at least 4 speed steps: 0-speed grade, 1-speed grade, 2-speed grade and 3-speed grade; this embodiment is 4 speed steps. Wherein the speed grade of 0 is corresponding to the rotating speed of the motor and is 0, and the speed grade of 1-3 is corresponding to the rotating speed of the motor and is increased progressively. I.e. the way the rotational speed controller controls the rotational speed of the motor is controlled by means of a speed knob. The motor can be a brushless motor. The rotation speed controller is commercially available at present, for example, under the product brand SZCMMOTOR, and the product model is a brushless controller. It is possible to further develop the speed knob of the product to be rotatable to several stages of speed knobs.
Then, 4 speed grade marks of 0-3 are marked beside the speed knob, so that the operation of experimenters is convenient.
In a preferred embodiment, the base 1 is hinged with an arc-shaped flip cover 8, and the arc-shaped flip cover 4 can cover the centrifugal turntable 2. Therefore, when the test tube is inserted into the jack and then centrifugally operated, the arc-shaped turnover cover covers the centrifugal turntable, and the effect of safety protection can be achieved.
The arc-shaped rotating disk 8 can be preferably made of a transparent material, such as a transparent acrylic material, which is integrally formed, so that the observation is convenient.
Because set up the speed knob, come several kinds of motor rotational speeds of adjustment commonly used through the speed knob, the laboratory during operation like this, different solutions can correspond different motor rotational speeds and carry out centrifugal separation, make every kind of solution can both reach the separation effect of preferred.
Example 2
Referring to embodiment 1, unlike embodiment 1, the speed knob can be rotated clockwise or counterclockwise by 6 speed steps: 0-speed gear, 1-speed gear, 2-speed gear, 3-speed gear, 4-speed gear and 5-speed gear; wherein the speed grade of 0 is corresponding to the rotating speed of the motor and is 0, and the speed grade of 1-5 is corresponding to the rotating speed of the motor and is increased progressively.
Referring to fig. 3, 6 speed step marks of 0-5 are marked next to the speed knob 7.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. A miniature centrifuge, characterized by: the method comprises the following steps:
the motor is arranged in the base;
the centrifugal turntable is arranged on the base and is fixedly connected with a rotating shaft of the motor; the centrifugal turntable is provided with a plurality of jacks;
the rotating speed controller is electrically connected with the motor, the rotating speed controller is arranged on the surface of the machine base in a way that a speed knob is embedded on the surface of the machine base, and the speed knob can rotate at least 4 speed grades clockwise or anticlockwise: 0-speed grade, 1-speed grade, 2-speed grade and 3-speed grade; wherein the speed grade of 0 is corresponding to the rotating speed of the motor and is 0, and the speed grade of 1-3 is corresponding to the rotating speed of the motor and is increased progressively.
2. The compact centrifuge of claim 1, wherein at least 4 speed step marks of 0-3 are marked next to the speed knob.
3. The compact centrifuge of claim 1, wherein the speed knob can be rotated clockwise or counterclockwise 6 speed steps: 0-speed gear, 1-speed gear, 2-speed gear, 3-speed gear, 4-speed gear and 5-speed gear; wherein the rotation speed of the motor of the 0-gear speed grade is 0, and the rotation speed of the motor of the 1-5-gear speed grade is gradually increased.
4. The miniature centrifuge of claim 1, wherein said housing has an arcuate flap hinged thereto, said arcuate flap covering said centrifuge rotor disk.
5. The compact centrifuge of claim 1, wherein the receptacles are arranged to be sloped.
6. The microcentrifuge according to claim 1, wherein the motor is secured to a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023311877.2U CN215612383U (en) | 2020-12-31 | 2020-12-31 | Small-size centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023311877.2U CN215612383U (en) | 2020-12-31 | 2020-12-31 | Small-size centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215612383U true CN215612383U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023311877.2U Active CN215612383U (en) | 2020-12-31 | 2020-12-31 | Small-size centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215612383U (en) |
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2020
- 2020-12-31 CN CN202023311877.2U patent/CN215612383U/en active Active
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