Rotary uniform mixing device for test tubes

Abstract

The utility model discloses a test tube rotating and blending device which comprises at least two test tube clamping parts and a driving unit, the driving unit drives the test tube clamping parts to rotate, the central axis of the rotating direction of the test tube clamping parts is perpendicular to the horizontal plane, the test tube rotating and blending device further comprises a mounting plate, the test tube clamping parts are arranged above the mounting plate, and the driving unit is arranged below the mounting plate. The driving unit penetrates through the mounting plate and is connected with the test tube clamping part, the driving unit comprises a rotary power device and a synchronous gear set, and the rotary power device is in meshed connection with the synchronous gear set through a gear. The driving unit rapidly drives the test tube clamping part to rotate, a test tube and a sample in the test tube clamping part are driven to rotate rapidly, uniform mixing of the sample is achieved through rotation, heat preservation or heating can be conducted on the sample in the uniform mixing process through the arrangement of the heating plate, and the situation that the sample is damaged at low temperature is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the medical detection equipment technical field, especially, a kind of test tube rotary mixing device is related. BACKGROUND

[0002] Sample liquid needs to be mixed before sampling to realize the uniformity of the concentration of particles such as cells inside the liquid, otherwise the precipitation of particles such as cells in the liquid will cause the inconsistency of the concentration of particles such as cells at different positions in the liquid, and further affect the accuracy of the detection result of diagnostic medical instruments.

[0003] Now the general mixing on the market is all need to swing and shake plus a certain degree of oscillation, the device structure is complex and expensive, for the demand that specific sample only needs to be mixed by rotating, the device on the market is not very suitable. INVENTION CONTENTS

[0004] The main purpose of the utility model is to provide a test tube rotary mixing device, which can solve the problem that test tubes cannot be quickly and uniformly mixed.

[0005] The utility model realizes the above-mentioned purposes through the following technical solutions:

[0006] On the one hand, the utility model provides a test tube rotary mixing device, which comprises at least two test tube clamping parts and a driving unit, the driving unit drives the test tube clamping part to rotate, and the central axis of the rotation direction of the test tube clamping part is perpendicular to the horizontal plane.

[0007] Specifically, it further comprises a mounting plate, the test tube clamping part is arranged above the mounting plate, the driving unit is arranged below the mounting plate, and the driving unit penetrates through the mounting plate and is connected with the test tube clamping part.

[0008] Further, the driving unit comprises a rotary power device and a synchronous gear set, and the rotary power device is connected with the synchronous gear set through gears.

[0009] Preferably, the synchronous gear set comprises a connecting gear and a driving gear. The connecting gear and the driving gear are both rotatably installed on the mounting plate.

[0010] Further, the driving gear is fixedly connected with the bottom of the test tube clamping part, and each connecting gear is arranged between two driving gears and engaged with the adjacent two driving gears.

[0011] Preferably, the modulus ratio between the driving gear and the connecting gear is the same.

[0012] Further, heating plates are arranged on the two sides of the test tube clamping part, and ventilation fans and temperature sensing devices are arranged on the other two sides of the test tube clamping part respectively.

[0013] Preferably, the test tube clamping part comprises eight test tube racks, and the bottom of each test tube rack is connected with the driving gear.

[0014] Preferably, the test tube rack comprises an outer frame and clamping elastic pieces, the clamping elastic pieces are elastically arranged on the outer frame, and the clamping elastic pieces form a limiting inner diameter smaller than an inner diameter of the outer frame in a normal state.

[0015] Compared with the prior art, the test tube rotating and mixing device has the beneficial effects that:

[0016] (1) The driving unit rapidly drives the test tube clamping part to rotate, drives the test tube and the sample in the test tube clamping part to rapidly rotate, and realizes mixing of the sample through rotation.

[0017] (2) Through the arrangement of the heating plate, the sample can be kept warm or heated during mixing, and the condition of sample damage caused by low temperature is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the three-dimensional structure of the test tube rotating and mixing device of the utility model;

[0019] Figure 2 is Figure 1 a schematic diagram of the three-dimensional structure of the test tube rotating and mixing device of the utility model;

[0020] Figure 3 is Figure 2 a schematic diagram of the structure of the driving unit and the test tube clamping part of the utility model;

[0021] Figure 4 is a schematic diagram of the three-dimensional structure of the test tube rotating and mixing device of the utility model;

[0022] Figure 5 is a schematic diagram of the three-dimensional structure of the test tube rotating and mixing device of the utility model;

[0023] Figure 6 is a schematic diagram of the three-dimensional structure of the test tube rotating and mixing device of the utility model.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1 test tube clamping part, 2 driving unit, 3 mounting plate, 4 rotating power device, 5 synchronous gear set, 6 connecting gear, 7 driving gear, 8 heating plate, 9 ventilation fan, 10 temperature sensing device; 11 test tube rack, 12 outer frame, 13 clamping elastic piece. DETAILED DESCRIPTION

[0026] Referring to Figures 1 to 6 the drawings, the utility model provides a test tube rotating and mixing device, including at least two test tube clamping parts 1 and driving unit 2, driving unit 2 drives test tube clamping part 1 to rotate, and the central axis of the rotating direction of test tube clamping part 1 is perpendicular to horizontal plane. That is, let the test tube stand normally vertically, let it rotate vertically, and mix the internal sample through rapid rotation.

[0027] In order to facilitate installation, the installation plate 3 is further included in the novel, the test tube clamping part 1 is arranged above the installation plate 3, and the driving unit 2 is arranged below the installation plate 3, and the driving unit 2 is connected with the test tube clamping part 1 through the installation plate 3.

[0028] In order to realize faster and more stable driving rotation, the driving unit 2 includes a rotating power device 4 and a synchronous gear set 5, and the rotating power device 4 is connected with the synchronous gear set 5 through gears. In actual use, the rotating power device 4 adopts a servo motor, which is stable and fast in speed on the one hand, and can be conveniently adjusted when the sample is replaced or the speed needs to be replaced on the other hand.

[0029] In order to be able to drive more accurately, the synchronous gear set 5 includes a connecting gear 6 and a driving gear 7. The connecting gear 6 and the driving gear 7 are both rotatably installed on the installation plate 3. In the embodiment, the connecting gear 6 and the driving gear 7 have the same modulus, which saves materials while ensuring that the speed of each driving gear 7 is the same, thereby ensuring the consistency of sample mixing. The driving gear 7 is fixedly connected with the bottom of the test tube clamping part 1, and each connecting gear 6 is arranged between two driving gears 7 and engaged with the adjacent two driving gears 7.

[0030] In actual use, in order to ensure the temperature of the test tube during mixing, in the embodiment, heating plates 8 are arranged on both sides of the test tube clamping part 1, and a ventilation fan 9 and a temperature sensing device 10 are arranged on the other two sides of the test tube clamping part 1, respectively. The heating plates 8 on both sides can keep the sample warm or heated during mixing, avoiding the destruction of the sample at low temperature, and the temperature sensing device 10 can sense the temperature of the whole inside of the test tube clamping part 1, facilitating the measurement and control of the temperature of the test tube clamping part 1. Furthermore, the ventilation fan 9 forms air circulation in the test tube clamping part 1, ensuring the consistency of the temperature inside the test tube clamping part 1. The temperature sensing device 10 adopts a thermocouple.

[0031] In the embodiment, the test tube clamping part 1 includes eight test tube racks 11, and the bottom of each test tube rack 11 is connected with the driving gear 7. Eight test tubes can be mixed at one time, and batch work can be performed.

[0032] During high-speed rotation of the test tube, the test tube may shake out of the test tube rack 11, so in the embodiment, the test tube rack 11 includes an outer frame 12 and a clamping spring 13, the clamping spring 13 is elastically arranged on the outer frame 12, and the clamping spring 13 forms a limiting inner diameter smaller than the inner diameter of the outer frame 12 in a normal state. The test tube is clamped by the elasticity of the clamping spring 13 to avoid shaking and damage.

[0033] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, some modifications and improvements can be made, and these all belong to the protection scope of the present application.

Claims

1. A test tube rotation mixing device, characterized by, The utility model provides a test tube holder, which comprises at least two test tube clamping parts (1) and a driving unit (2) for driving the test tube clamping parts (1) to rotate, and the central axis of the rotating direction of the test tube clamping parts (1) is perpendicular to the horizontal plane.

2. The test tube rotation mixing device according to claim 1, wherein The utility model further comprises a mounting plate (3), wherein the test tube clamping parts (1) are arranged above the mounting plate (3), the driving unit (2) is arranged below the mounting plate (3), and the driving unit (2) is connected with the test tube clamping parts (1) through the mounting plate (3).

3. The test tube rotating mixing device according to claim 2, wherein The driving unit (2) comprises a rotating power device (4) and a synchronous gear set (5), wherein the rotating power device (4) is connected with the synchronous gear set (5) through gears.

4. The test tube rotary mixing device according to claim 3, characterized in that, The synchronous gear set (5) comprises connecting gears (6) and driving gears (7), wherein the connecting gears (6) and the driving gears (7) are both rotatably arranged on the mounting plate (3).

5. The test tube rotating mixing device according to claim 4, wherein The driving gears (7) are fixedly connected with the bottoms of the test tube clamping parts (1), and each connecting gear (6) is arranged between two driving gears (7) and meshes with the adjacent two driving gears (7).

6. The test tube rotary mixing device according to claim 5, wherein The modulus ratio between the driving gears (7) and the connecting gears (6) is the same.

7. The test tube rotating mixing device according to claim 4, wherein Both sides of the test tube clamping parts (1) are provided with heating plates (8), and the other two sides of the test tube clamping parts (1) are respectively provided with ventilation fans (9) and temperature sensing devices (10).

8. The test tube rotary mixing device according to claim 7, characterized in that, The test tube clamping parts (1) comprise eight test tube racks (11), and the bottoms of the test tube racks (11) are connected with the driving gears (7).

9. The device according to claim 8, wherein The test tube racks (11) comprise outer frames (12) and clamping elastic sheets (13), the clamping elastic sheets (13) are elastically arranged on the outer frames (12), and the limiting inner diameter formed by the clamping elastic sheets (13) in the normal state is smaller than the inner diameter of the outer frames (12).

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