Horizontal rotor and centrifugal machine with same
By designing inclined mounting holes and nut and screw fixing structures in a horizontal rotor centrifuge, the problem of uneven liquid separation in the test tube is solved, and the uniform installation and disassembly of the test tube is achieved, which improves the separation effect and operation convenience of the centrifuge.
Patent Information
- Application Number
- CN202421945456.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The distance between the test tubes placed in multiple placement holes on the hanging basket in the existing horizontal rotor centrifuge is different from the central axis, resulting in uneven separation of liquid in the test tube when the rotor rotates, which is inconvenient to operate.
A multiple inclined mounting holes are designed on the placement part, the test tube cavity is connected in conjunction with the inclined mounting holes, the distance between the test tube and the horizontal rotor rotation shaft is the same, and the mounting ring and the support plate are fixed by nuts and screws to achieve uniform installation and disassembly of the test tube.
It achieves more uniform and accurate separation of liquids in the test tube, and more convenient installation and disassembly operations, which improves the efficiency of centrifuge use.
Smart Images

Figure CN223264020U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of centrifuges, in particular to a horizontal rotor and a centrifuge having the same. Background Art
[0002] Centrifuges are commonly used in biopharmaceuticals, using centrifugal force to separate liquids from solid particles or components of a liquid-liquid mixture. Centrifuges are primarily used to separate solid particles from liquid in a suspension, or to separate two immiscible liquids of different densities in an emulsion. They can also be used to remove liquid from wet solids, such as when drying wet clothes in a washing machine.
[0003] A Chinese patent with authorization announcement number CN216964969U discloses a horizontal rotor centrifuge, comprising: a housing, a rotor, and a hanging basket for placing centrifuge tubes. The rotor is disposed in the housing, and multiple mounting positions are provided around the rotor, each of which is provided with a hanging basket. The rotor is provided with radially extending slide rails at positions corresponding to the mounting positions, and the slide rails are provided with sliders. The sliders have a latch opening that opens in the vertical direction at one end facing outward, and the sliders are provided with a reset mechanism that allows them to remain in a position close to the rotor shaft. When the rotor is stationary, the slider is in an initial position. When the rotor speed reaches a preset speed, the slider slides outward under the action of centrifugal force, causing one end of the hanging basket in a horizontal state to snap into the latch opening. The horizontal rotor centrifuge provided by this utility model can improve the stability of the hanging basket when the rotor rotates at high speed.
[0004] However, the above technical solution has the following defects: the test tubes placed in the multiple placement holes on the hanging basket of the above horizontal rotor centrifuge are at different distances from the central axis, and the degree of separation of the liquid in the test tubes is uneven when the rotor rotates, which is inconvenient to use. Utility Model Content
[0005] The purpose of the utility model is to solve the problems existing in the background technology and to provide a horizontal rotor and a centrifuge having the same.
[0006] The technical solution of the utility model: the horizontal rotor comprises a placement portion, a test tube cavity, a cover plate, a mounting tube and a mounting ring;
[0007] The placement portion is connected to the mounting tube, the mounting tube and the placement portion are coaxially distributed, the placement portion is provided with a plurality of mounting holes, the test tube cavity is provided with a plurality of mounting holes and corresponds to the mounting holes one by one, and the test tube cavity is matched and connected with the corresponding mounting holes;
[0008] The mounting ring is connected to the mounting tube, and the mounting ring and the mounting tube are coaxially distributed;
[0009] The cover plate is provided with a sleeve which is sleeved on the outer side of the installation tube.
[0010] Preferably, a plurality of anti-slip pads are provided on the inner wall of the test tube cavity, and the anti-slip pads are evenly distributed around the inner circumference of the test tube cavity, and the plurality of test tube cavities are all tilted.
[0011] Preferably, the inner circumference of the placement portion is connected to the outer circumference of the installation tube, and the outer diameter of the placement portion gradually increases downward along the axis direction of the installation tube.
[0012] Preferably, the projected shape of the cover is annular, and the lower surface of the cover corresponds to the shape of the opening of the test tube cavity.
[0013] In addition, the present invention also provides a centrifuge with a horizontal rotor, characterized in that it includes a centrifuge body and a mounting shaft, wherein the mounting shaft is provided with the above-mentioned horizontal rotor;
[0014] The centrifuge body is provided with a rotor cavity, the installation shaft is rotatably connected to the rotor cavity, and a driving component is provided in the centrifuge body, and the driving component is transmission-connected to the installation shaft.
[0015] Preferably, it also includes a support plate and a fixing block;
[0016] The support plate is connected to the mounting shaft and is coaxially distributed with the mounting shaft, and the mounting ring in the horizontal rotor is pressed tightly against the support plate;
[0017] There are two fixing blocks connected to the upper surface of the support plate. The lower end of the mounting ring is provided with a groove, which corresponds to the fixing blocks one by one, and the fixing blocks are connected in cooperation with the groove.
[0018] Preferably, it further comprises a nut and a screw;
[0019] The screw is connected to the upper end of the installation shaft and is coaxially distributed with the installation shaft. The installation tube and the cover plate are sleeved on the outside of the installation shaft and the screw, and the nut is connected with the screw thread.
[0020] The nut is pressed onto the upper end of the cover plate, the cover plate is pressed onto the upper end of the test tube, and the mounting ring is pressed onto the upper surface of the support plate.
[0021] Preferably, a plurality of anti-slip feet are provided at the lower end of the centrifuge body, and the plurality of anti-slip feet are evenly distributed at the lower end of the centrifuge body.
[0022] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:
[0023] 1. In the present invention, a plurality of inclined mounting holes are provided on the placement portion, so that the test tube cavity is matched with the inclined mounting holes and connected. Multiple test tubes are placed in the test tube cavity, and the inclination angles of the multiple test tubes are the same. At the same time, the distances between the test tubes and the rotating axis of the horizontal rotor are also the same, so that the separation of multiple test tubes is more uniform and accurate, and the installation and disassembly of the horizontal rotor are easy to operate.
[0024] 2. In the present invention, the fixing block is connected with the groove during installation. When the driving assembly drives the installation shaft and the support plate to rotate, the installation shaft drives the horizontal rotor to rotate.
[0025] 3. When installing in the utility model, the horizontal rotor and the cover plate are sequentially placed on the outside of the installation shaft, the nut is connected with the screw thread, the nut is pressed tightly on the upper end of the cover plate, the cover plate is pressed tightly on the upper end of the test tube, and the mounting ring is pressed tightly on the upper surface of the support plate. The horizontal rotor can be installed and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 This is a three-dimensional diagram of the horizontal rotor proposed in the present invention and a centrifuge having the same.
[0027] Figure 2 This is a structural schematic diagram of the horizontal rotor proposed in the present invention and a centrifuge having the same.
[0028] Figure 3 This is a schematic structural diagram of the horizontal rotor in the embodiment of the present utility model.
[0029] Figure 4 This is a schematic structural diagram of the horizontal rotor proposed in the present utility model.
[0030] Figure numerals: 1. centrifuge body; 2. mounting shaft; 3. drive assembly; 4. placement part; 5. test tube cavity; 6. cover plate; 7. nut; 8. screw; 9. support plate; 10. mounting tube; 11. fixing block; 12. mounting ring; 13. sleeve; 14. groove. DETAILED DESCRIPTION
[0031] Example 1
[0032] like Figures 1-4 As shown, the horizontal rotor proposed by the present invention includes a placement portion 4, a test tube cavity 5, a cover plate 6, a mounting tube 10 and a mounting ring 12;
[0033] The placement portion 4 is connected to the mounting tube 10, and the mounting tube 10 is coaxially distributed with the placement portion 4. The placement portion 4 is provided with a plurality of mounting holes, and the test tube cavity 5 is provided with a plurality of mounting holes corresponding one to one, and the test tube cavity 5 is matched and connected with the corresponding mounting holes;
[0034] Furthermore, the inner circumference of the placement portion 4 is connected to the outer circumference of the installation tube 10, and the outer diameter of the placement portion 4 gradually increases downward along the axis direction of the installation tube 10;
[0035] Furthermore, a plurality of anti-slip pads are provided on the inner wall of the test tube cavity 5, and the anti-slip pads are evenly distributed around the inner circumference of the test tube cavity 5, and the plurality of test tube cavities 5 are all inclined.
[0036] The mounting ring 12 is connected to the mounting tube 10, and the mounting ring 12 and the mounting tube 10 are coaxially distributed;
[0037] The cover plate 6 is provided with a sleeve 13 , which is sleeved on the outside of the mounting tube 10 . The projected shape of the cover plate 6 is annular, and the lower surface of the cover plate 6 corresponds to the shape of the opening of the test tube cavity 5 .
[0038] In the present invention, a plurality of inclined mounting holes are provided on the placement portion 4, so that the test tube cavity 5 is matched and connected with the inclined mounting holes. A plurality of test tubes are placed in the test tube cavity 5, and the inclination angles of the plurality of test tubes are the same. At the same time, the distances between the test tubes and the rotating axis of the horizontal rotor are also the same, so that the separation of the plurality of test tubes is more uniform and accurate, and the installation and disassembly of the horizontal rotor are easy to operate.
[0039] Example 2
[0040] like Figures 1-4 As shown, the present invention also provides a centrifuge with a horizontal rotor, characterized in that it includes a centrifuge body 1 and a mounting shaft 2, and the mounting shaft 2 is provided with the horizontal rotor according to any one of claims 1 to 4;
[0041] The centrifuge body 1 is provided with a rotor cavity, and the mounting shaft 2 is rotatably connected to the rotor cavity. A driving component 3 is provided in the centrifuge body 1 , and the driving component 3 is transmission-connected to the mounting shaft 2 .
[0042] Furthermore, a plurality of anti-skid feet are provided at the lower end of the centrifuge body 1 , and the plurality of anti-skid feet are evenly distributed at the lower end of the centrifuge body 1 .
[0043] In the present invention, the horizontal rotor is mounted on the mounting shaft 2, and the driving assembly 3 drives the mounting shaft 2 and the horizontal rotor to rotate synchronously, so that the horizontal rotor drives the multiple test tubes to rotate.
[0044] Example 3
[0045] like Figure 2-Figure 3 As shown, the centrifuge with a horizontal rotor proposed by the present invention, compared with the second embodiment, further includes a support plate 9 and a fixing block 11;
[0046] The support plate 9 is connected to the mounting shaft 2 and is coaxially distributed with the mounting shaft 2. The mounting ring of the horizontal rotor is pressed against the support plate 9.
[0047] Two fixing blocks 11 are provided and connected to the upper surface of the support plate 9 . A groove 14 is provided at the lower end of the mounting ring 12 . The groove 14 corresponds to the fixing blocks 11 one by one, and the fixing blocks 11 are connected in a cooperative manner with the groove 14 .
[0048] In this embodiment, the fixing block 11 is connected with the groove 14 during installation. When the driving assembly 3 drives the installation shaft 2 and the support plate 9 to rotate, the installation shaft 2 drives the horizontal rotor to rotate.
[0049] Example 4
[0050] like Figure 2-Figure 4 As shown, the centrifuge with a horizontal rotor proposed by the present invention, compared with the second embodiment, further includes a nut 7 and a screw 8;
[0051] The screw 8 is connected to the upper end of the mounting shaft 2 and is coaxially distributed with the mounting shaft 2. The mounting tube 10 and the cover plate 6 are both sleeved on the outside of the mounting shaft 2 and the screw 8. The nut 7 is threadedly connected to the screw 8.
[0052] The nut 7 is pressed tightly against the upper end of the cover plate 6 , the cover plate 6 is pressed tightly against the upper end of the test tube, and the mounting ring 12 is pressed tightly against the upper surface of the support plate 9 .
[0053] In this embodiment, during installation, the horizontal rotor and the cover plate 6 are sequentially sleeved on the outside of the installation shaft 2, the nut 7 is threadedly connected with the screw rod 8, the nut 7 is pressed tightly against the upper end of the cover plate 6, the cover plate 6 is pressed tightly against the upper end of the test tube, and the mounting ring 12 is pressed tightly against the upper surface of the support plate 9. The horizontal rotor can then be installed for easy use.
[0054] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.
Claims
1. A horizontal rotor, characterized in that: It comprises a placement portion (4), a test tube cavity (5), a cover plate (6), a mounting tube (10) and a mounting ring (12); The placement portion (4) is connected to the mounting tube (10), the mounting tube (10) and the placement portion (4) are coaxially distributed, the placement portion (4) is provided with a plurality of mounting holes, the test tube cavity (5) is provided with a plurality of mounting holes corresponding one to one, and the test tube cavity (5) is cooperatively connected with the corresponding mounting holes; The mounting ring (12) is connected to the mounting tube (10), and the mounting ring (12) and the mounting tube (10) are coaxially distributed; The cover plate (6) is provided with a sleeve (13), which is sleeved on the outside of the mounting tube (10).
2. The horizontal rotor according to claim 1, characterized in that: The inner wall of the test tube cavity (5) is provided with a plurality of anti-skid pads, which are evenly distributed on the inner circumference of the test tube cavity (5), and the plurality of test tube cavities (5) are all arranged at an inclination.
3. The horizontal rotor according to claim 1, characterized in that: The inner circumference of the placement portion (4) is connected to the outer circumference of the installation tube (10), and the outer diameter of the placement portion (4) gradually increases downward along the axial direction of the installation tube (10).
4. The horizontal rotor according to claim 1, characterized in that: The projected shape of the cover plate (6) is annular, and the lower surface of the cover plate (6) corresponds to the shape of the opening of the test tube cavity (5).
5. A centrifuge with a horizontal rotor, characterized in that It comprises a centrifuge body (1) and a mounting shaft (2), wherein the mounting shaft (2) is provided with a horizontal rotor as claimed in any one of claims 1 to 4; The centrifuge body (1) is provided with a rotor cavity, and the mounting shaft (2) is rotatably connected to the rotor cavity. A driving assembly (3) is provided in the centrifuge body (1), and the driving assembly (3) is transmission-connected to the mounting shaft (2).
6. The centrifuge with a horizontal rotor according to claim 5, characterized in that It also includes a support plate (9) and a fixing block (11); The support plate (9) is connected to the mounting shaft (2) and is coaxially distributed with the mounting shaft (2), and the mounting ring in the horizontal rotor is pressed against the support plate (9); The fixing block (11) is provided with two and connected to the upper surface of the support plate (9), the lower end of the mounting ring (12) is provided with a groove (14), the groove (14) corresponds to the fixing block (11) one by one, and the fixing block (11) is connected in a cooperative manner with the groove (14).
7. The centrifuge with a horizontal rotor according to claim 5, characterized in that Also includes a nut (7) and a screw (8); The screw rod (8) is connected to the upper end of the installation shaft (2) and is coaxially distributed with the installation shaft (2). The installation tube (10) and the cover plate (6) are both sleeved on the outside of the installation shaft (2) and the screw rod (8). The nut (7) is threadedly connected to the screw rod (8). The nut (7) is pressed against the upper end of the cover plate (6), the cover plate (6) is pressed against the upper end of the test tube, and the mounting ring (12) is pressed against the upper surface of the support plate (9).
8. The centrifuge with a horizontal rotor according to claim 5, characterized in that The lower end of the centrifuge body (1) is provided with a plurality of anti-skid support feet, and the plurality of anti-skid support feet are evenly distributed on the lower end of the centrifuge body (1).
Citation Information
Patent Citations
Horizontal rotor centrifugal machine
CN216964969U