CN114558700B - Desk type centrifugal machine - Google Patents
Desk type centrifugal machine Download PDFInfo
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- CN114558700B CN114558700B CN202210121657.8A CN202210121657A CN114558700B CN 114558700 B CN114558700 B CN 114558700B CN 202210121657 A CN202210121657 A CN 202210121657A CN 114558700 B CN114558700 B CN 114558700B
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- bottom plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/02—Centrifuges consisting of a plurality of separate bowls rotating round an axis situated between the bowls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/02—Casings; Lids
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Abstract
The application relates to a desk type centrifuge, which relates to the technical field of test instruments and comprises a machine body, a cover plate and a rotor body, wherein a centrifugal chamber is arranged in the machine body, the rotor body is positioned in the centrifugal chamber, the rotor body comprises a bottom plate and a plurality of supporting plates, the plurality of supporting plates are distributed around the bottom plate and are connected with the bottom plate in an up-down rotating way, test holes for inserting test tubes are formed in the supporting plates in a penetrating way, and a driving mechanism for controlling the synchronous rotation of the plurality of supporting plates is arranged on the bottom plate. According to the application, through arranging the turnover supporting plate, synchronous installation and taking of a plurality of test tubes are realized at one time, so that the operation process is easier and more convenient, and the operation convenience is improved.
Description
Technical Field
The application relates to the field of test instruments, in particular to a table type centrifugal machine.
Background
Centrifuges are machines that utilize centrifugal force to separate components of a liquid from solid particles or a mixture of liquid and liquid. Centrifuges are mainly used to separate solid particles from liquids in suspension or to separate two liquids of different densities and which are not mutually compatible in emulsion.
Chinese patent CN206996870U discloses a micro-table centrifuge, and it includes quick-witted box and door closure, is provided with a centrifugal chamber in the quick-witted box, and the center of centrifugal chamber sets up the center pin, is fixed with the layer board on the center pin, and the multiunit centrifuging tube holding frame is installed at the center pin top of layer board top, sets up the rotor body in the centrifugal chamber, and the rotor body is the conical ring, evenly is provided with a plurality of test holes around the rotor body.
During operation of the table-type centrifuge in the related art, since the rotor body is a conical ring, when the test tubes are installed and taken out, the test tubes need to be inserted into or taken out of the test holes one by one, and the operation process is inconvenient and needs to be improved.
Disclosure of Invention
In order to improve the operation convenience, the application provides a desk type centrifugal machine.
The table type centrifugal machine provided by the application adopts the following technical scheme:
the utility model provides a desk-top centrifuge, includes organism, apron and rotor body, be provided with the centrifugal chamber in the organism, the rotor body is located in the centrifugal chamber, the rotor body includes bottom plate and a plurality of layer board, a plurality of the layer board distribute in around the bottom plate, and from top to bottom rotate connect in the bottom plate, run through on the layer board and be provided with the test hole that supplies test tube male, and be provided with a plurality of control on the bottom plate the synchronous rotatory actuating mechanism of layer board.
Through adopting above-mentioned technical scheme, when needing to install the test tube, utilize actuating mechanism control layer board to overturn downwards earlier to overturn to the horizontality, can once only insert a plurality of test tubes in the test hole afterwards. Finally, the supporting plate is controlled by the driving mechanism to turn upwards, so that the test tube can be centrifugally operated. When centrifugation is finished and the test tubes need to be taken, the supporting plate is controlled to overturn downwards by the driving mechanism again and is overturned to be in a horizontal state, and then a plurality of test tubes can be taken at one time. Therefore, through setting up the layer board of convertible, once only realize the synchronous installation and the taking of a plurality of test tubes for the operation process is light more convenient, improves the simple operation nature.
Optionally, the driving mechanism includes a driving gear, a plurality of bevel gear sets, a plurality of driving gears, a plurality of driven gears and a plurality of linkage gears, the driving gear is horizontally and rotatably connected in the bottom plate, and a control mechanism for controlling the rotation of the driving gear is arranged on the bottom plate; the plurality of linkage gears are respectively arranged at one ends of the plurality of supporting plates, which are close to the bottom plate, and are positioned in the bottom plate, the plurality of bevel gear sets are distributed between the driving gears and the linkage gears at intervals, and the plurality of driving gears and the plurality of driven gears are respectively arranged on the bevel gear sets and are respectively meshed with the driving gears and the linkage gears.
Through adopting above-mentioned technical scheme, when controlling the layer board upset, utilize control mechanism control drive gear rotatory, drive gear drives the driving gear rotation this moment to under the effect of bevel gear group, the driven gear rotation of control. Finally, the driven gear is utilized to drive the linkage gear to rotate, so that synchronous overturning control of a plurality of supporting plates can be realized. Therefore, the convenient overturning control of the supporting plate is realized through the driving mechanism which is simple in structure and convenient to operate.
Optionally, the control mechanism comprises a control tube and a control rod, the control tube is vertically arranged at the central position of the upper end face of the driving gear, the control rod is vertically and slidably connected with the control tube, and a spring is arranged between the bottom wall of the control tube and the control rod; the central position of bottom plate up end is provided with the encirclement the guide tube of control lever upper end, the inner wall of guide tube is provided with the guide block, the outer wall of control lever is provided with spiral and supplies the guide slot of guide block embedding, and the central position of apron lower extreme face is vertical to be provided with and is used for pressing the depression bar that the control lever vertically slided.
By adopting the technical scheme, when the cover plate is closed, the cover plate drives the compression bar to synchronously move and gradually embed into the guide tube, and then the compression bar presses the control bar to slide downwards. Meanwhile, under the cooperation of the guide block and the guide groove, the control rod rotates in the sliding process and presses the spring to compress. Then the control rod drives the control tube to synchronously rotate, thereby realizing the rotation control of the driving gear and controlling the supporting plate to turn upwards. When the cover plate is opened, under the action of resilience force of the springs, all the linkage mechanisms are controlled to move reversely, and the supporting plate is controlled to overturn downwards. Therefore, through setting up linkage complex structure, utilize the opening and close control layer board of apron to overturn automatically for centrifuge's use is light convenient more.
Optionally, the upper end face of the control rod is rotatably connected with a turntable.
Through adopting above-mentioned technical scheme, supply the depression bar conflict through setting up the carousel for when depression bar downstream, the rotatory process of control lever can not receive the influence, improves centrifuge's stability.
Optionally, the upper end of the guide tube is arranged in a flaring shape.
Through adopting above-mentioned technical scheme, through setting up the stand pipe of flaring form for the depression bar can be lighter embedding stand intraductal, the advancing direction when the upper end of stand pipe and depression bar upset is almost the same simultaneously, thereby guarantees the stable opening and close of apron.
Optionally, a sealing plate for covering the test hole is slidably connected to the upper end surface of each supporting plate.
Through adopting above-mentioned technical scheme, when carrying out the centrifugation operation, control closing plate covers the test hole to block the test tube, guarantee the stability when the centrifugation operation.
Optionally, a pull rod is hinged to one end of the sealing plate, which is close to the bottom plate, and one end of the pull rod, which is away from the sealing plate, is hinged to the bottom plate.
Through adopting above-mentioned technical scheme, when the layer board upwards overturns to carry out centrifugal operation, the pull rod promotes the closing plate and moves upwards automatically, and realizes the blocking of test tube. When the supporting plate is turned downwards and the centrifugation is completed, the pull rod pushes the sealing plate to automatically move downwards, so that the blocking of the test tube is eliminated. Therefore, the sealing plate is controlled to be automatically opened and closed by utilizing the overturning of the supporting plate, so that the blocking and releasing of the test tube are realized, and the using process of the centrifugal machine is easier and more convenient.
Optionally, an elastic sheet for pressing the test tube is arranged on the lower end surface of the sealing plate.
Through adopting above-mentioned technical scheme, compress tightly the test tube through setting up the elastic sheet, stability when increasing test tube centrifugation operation.
Optionally, one end of the sealing plate, which is away from the bottom plate, is in an upward-tilting arrangement.
Through adopting above-mentioned technical scheme, through setting up the closing plate of perk form for the closing plate can be smooth stride across the test tube, realizes the stable cover and the blocking of test tube.
In summary, the present application includes at least one of the following beneficial technical effects:
through setting up the support plate of convertible, realize the synchronous installation and taking of a plurality of test tubes once only for the operation process is lighter convenient, improves the operation convenience;
through setting up the structure of linkage cooperation, utilize the opening and closing control layer board of apron to overturn automatically for the use of centrifuge is light more convenient;
the sealing plate is controlled to be automatically opened and closed by utilizing the overturning of the supporting plate, so that the blocking and releasing of the test tube are realized, and the using process of the centrifugal machine is easier and more convenient.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a schematic structural view of a rotor body according to an embodiment of the present application.
Fig. 3 is a schematic view showing an internal structure of a rotor body according to an embodiment of the present application.
Fig. 4 is a schematic structural view of a driving mechanism in an embodiment of the present application.
Reference numerals illustrate: 1. a body; 11. a centrifugal chamber; 12. a motor; 2. a cover plate; 21. a compression bar; 3. a rotor body; 31. a test hole; 32. a bottom plate; 33. a supporting plate; 4. a driving mechanism; 41. a drive gear; 42. a bevel gear set; 43. a drive gear; 44. a driven gear; 45. a linkage gear; 5. a control mechanism; 51. a control tube; 52. a control lever; 53. a limiting block; 54. a limit groove; 55. a spring; 56. a guide tube; 57. a guide block; 58. a guide groove; 59. a turntable; 6. a sealing plate; 61. an elastic sheet; 22. and (5) a pull rod.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a desk type centrifugal machine.
Referring to fig. 1 and 2, the table centrifuge includes a body 1, a cover plate 2, and a rotor body 3. A centrifugal chamber 11 is arranged in the machine body 1, the centrifugal chamber 11 penetrates through the upper end face of the machine body 1, and the cover plate 2 is hinged on the machine body 1 and is used for covering the centrifugal chamber 11.
Referring to fig. 1 and 2, the rotor body 3 is positioned in the centrifugal chamber 11, the central axis of the rotor body 3 is arranged in line with the central axis of the centrifugal chamber 11, and the motor 12 for controlling the rotation of the rotor body 3 is arranged in the centrifugal chamber 11. The rotor body 3 is also provided with a circle of test holes 31, the upper ends of the test holes 31 are close to each other, and the lower ends of the test holes are far away from each other, so that test tubes can be inserted.
When the table centrifuge is in operation, the sealed test tube is inserted into the test hole 31, and then the cover plate 2 is closed. The rotor body 3 and the test tube are then controlled to rotate by the motor 12, and the centrifugation of the medium in the test tube is achieved. And after the centrifugation operation is finished, taking out the test tube.
Referring to fig. 2 and 3, the rotor body 3 includes a bottom plate 32 and a plurality of pallets 33. The bottom plate 32 is horizontally disposed and fixed to the motor 12 of the motor 12. The supporting plates 33 are uniformly distributed around the bottom plate 32, and the supporting plates 33 are vertically and rotatably connected to the bottom plate 32.
Referring to fig. 2 and 3, the plurality of test holes 31 are distributed at one end of the plurality of supporting plates 33, which is away from the bottom plate 32, and when the supporting plates 33 rotate to 45 degrees, the sidewalls of two adjacent supporting plates 33 are mutually abutted, and when the supporting plates 33 rotate to a horizontal state, the supporting plates 33 are abutted against the outer edge positions of the bottom plate 32, so that the limiting and fixing of the supporting plates 33 are realized.
Since the upper end of the test hole 31 is close to and the lower end is far away from, a plurality of test tubes cannot be mounted or taken at the same time, and only the test tubes can be mounted and taken one by one.
Therefore, when a plurality of test tubes are required to be mounted, the plurality of pallets 33 are controlled to be turned down simultaneously, and the pallets 33 are turned to a horizontal state, and then the plurality of test tubes can be inserted into each test hole 31 at one time. Finally, the plurality of supporting plates 33 are controlled to synchronously turn upwards, the supporting plates 33 are fixed, and the centrifugal operation can be carried out on the plurality of test tubes.
When the centrifugation operation is finished and the test tubes need to be taken, the plurality of supporting plates 33 are controlled to synchronously turn downwards again, the supporting plates 33 are turned to be in a horizontal state, then the plurality of test tubes can be taken at one time, and meanwhile, the quick centrifugation operation can be carried out on the next group of test tubes.
Referring to fig. 3 and 4, the base plate 32 is provided with a driving mechanism 4 for controlling the synchronous rotation of the plurality of pallets 33, and the driving mechanism 4 includes a driving gear 41, a plurality of bevel gear sets 42, a plurality of driving gears 43, a plurality of driven gears 44, and a plurality of linking gears 45.
Referring to fig. 3 and 4, the bottom plate 32 is hollow, and the driving gear 41 is horizontally rotatably connected to the bottom plate 32 and is aligned with the central axis of the bottom plate 32. The plurality of linkage gears 45 are respectively disposed at one ends of the plurality of supporting plates 33 near the bottom plate 32, and extend into the bottom plate 32.
Referring to fig. 3 and 4, a plurality of bevel gear sets 42 are spaced between each adjacent set of driving gears 41 and linkage gears 45, wherein a plurality of driving gears 43 and a plurality of driven gears 44 are respectively disposed on each set of bevel gear sets 42 and respectively meshed with each set of driving gears 41 and linkage gears 45.
When the control support plates 33 are turned over together, the driving gear 41 is controlled to rotate forward or backward, and at this time, the driving gear 41 drives the driving gear 43 to rotate, and the driven gear 44 is controlled to rotate under the action of the bevel gear set 42. Finally, the driven gear 44 drives the linkage gear 45 to rotate, so that the synchronous overturning control of the plurality of supporting plates 33 can be realized.
Referring to fig. 2 and 3, a control mechanism 5 for controlling rotation of the drive gear 41 is provided on the base plate 32, and the control mechanism 5 includes a control tube 51 and a control lever 52.
Referring to fig. 2 and 3, the control tube 51 is vertically provided at a central position of the upper end surface of the driving gear 41 and is disposed in line with the central axis of the driving gear 41. The control rod 52 is vertically and slidably connected to the control tube 51, a limiting block 53 is arranged on the outer wall of the control rod 52, and a limiting groove 54 for enabling the limiting block 53 to vertically slide is vertically arranged on the inner wall of the control tube 51 and used for limiting that the control rod 52 can only vertically slide relative to the control tube 51. A spring 55 is provided between the bottom wall of the control tube 51 and the control rod 52 for applying an upward resilient force to the control rod 52.
Referring to fig. 2 and 3, a guide tube 56 is provided at a central position of the upper end surface of the bottom plate 32, and the guide tube 56 is disposed in line with the central axis of the driving gear 41 and surrounds the upper end outer wall of the control lever 52. The guide block 57 is provided on the inner wall of the guide tube 56, and the guide groove 58 into which the guide block 57 is fitted is provided on the outer wall of the control lever 52, so that the control lever 52 can be rotated and slid downward when a downward force is applied thereto.
Referring to fig. 1, 2 and 3, a pressing rod 21 is vertically provided at a central position of a lower end surface of the cover plate 2, and the pressing rod 21 is inserted into the guide tube 56 and presses the control rod 52 to vertically slide. Wherein the upper end surface of the control lever 52 is rotatably connected with a rotary disk 59 for contacting the pressing lever 21. The upper end of the guide tube 56 is provided in a flaring shape for smooth overturning and embedding of the compression bar 21.
When the test tube needs to be centrifuged, the cover plate 2 is closed, and at the moment, the cover plate 2 drives the pressing rod 21 to synchronously move and gradually embed into the guide tube 56, and then the pressing rod 21 abuts against the turntable 59 and presses the control rod 52 to stably slide downwards.
At the same time, the control lever 52 is rotated in the process of sliding down by the cooperation of the guide block 57 and the guide groove 58, and the compression spring 55 is compressed. When the control lever 52 rotates, the control lever 52 drives the control tube 51 and the drive gear 41 to rotate synchronously, and controls the pallet 33 to turn upwards, so that the test tube is inclined for centrifugation.
After the centrifugation operation is completed, the cover plate 2 is opened, at this time, the control rod 52 is driven to move upwards under the resilience force of the spring 55, at this time, the control rod 52 drives the control tube 51 and the driving gear 41 to rotate reversely, so that all components are controlled to move reversely and reset. Finally, the supporting plate 33 automatically turns downwards and is horizontal, so that the test tubes can be conveniently and synchronously taken.
Referring to fig. 2 and 3, a sealing plate 6 is slidably attached to the upper end surface of each of the pallets 33, and the sealing plate 6 is used to cover or separate from the test hole 31. Wherein the sealing plate 6 is upwardly tilted toward one end of the test hole 31, and the lower end surface of the sealing plate 6 is provided with an elastic piece 61 pressing the end of the test tube.
Referring to fig. 2 and 3, a pull rod 22 is provided on each sealing plate 6, one end of the pull rod 22 is hinged to one end of the sealing plate 6 close to the bottom plate 32, and the other end is hinged to the outer edge of the upper end face of the bottom plate 32.
When the test tube is required to be centrifuged, the supporting plate 33 automatically turns upwards, and at the same time, the sealing plate 6 is controlled to move towards the test hole 31 under the action of the pull rod 22. Until the sealing plate 6 strides across the test hole 31, the elastic piece 61 of sealing plate 6 lower extreme face compresses tightly the up end of test tube, realizes the spacing fixed of test tube, guarantees the stability when test tube centrifugation operation. When the centrifugation is completed, the supporting plate 33 will automatically turn down, and the linkage relationship at this time is opposite to that when the supporting plate 33 turns up, which will not be described in detail.
The implementation principle of the table type centrifugal machine provided by the embodiment of the application is as follows: when the centrifugal operation is required, the cover plate 2 is opened, and then the supporting plate 33 is controlled to be turned downwards and horizontally arranged under the action of linkage fit, and then a plurality of test tubes can be inserted into the test holes 31 at one time. Then the cover plate 2 is closed, and the supporting plate 33 is controlled to be turned upwards and arranged in an inclined mode under the action of linkage fit. Finally, the whole rotor body 3 is controlled to rotate, and the test tube can be subjected to centrifugal operation.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. A table centrifuge, characterized in that: the novel centrifugal machine comprises a machine body (1), a cover plate (2) and a rotor body (3), wherein a centrifugal chamber (11) is arranged in the machine body (1), the rotor body (3) is positioned in the centrifugal chamber (11), the rotor body (3) comprises a bottom plate (32) and a plurality of supporting plates (33), the supporting plates (33) are distributed around the bottom plate (32) and are connected with the bottom plate (32) in an up-down rotating manner, test holes (31) for test tube insertion are formed in the supporting plates (33) in a penetrating manner, and a driving mechanism (4) for controlling synchronous rotation of the supporting plates (33) is arranged on the bottom plate (32);
the driving mechanism (4) comprises a driving gear (41), a plurality of bevel gear sets (42), a plurality of driving gears (43), a plurality of driven gears (44) and a plurality of linkage gears (45), the driving gear (41) is horizontally and rotatably connected in the bottom plate (32), and the bottom plate (32) is provided with a control mechanism (5) for controlling the driving gear (41) to rotate;
the plurality of linkage gears (45) are respectively arranged at one ends of the plurality of supporting plates (33) close to the bottom plate (32) and are positioned in the bottom plate (32), the plurality of bevel gear groups (42) are distributed between each group of driving gears (41) and the linkage gears (45) at intervals, and the plurality of driving gears (43) and the plurality of driven gears (44) are respectively arranged on each group of bevel gear groups (42) and are respectively meshed with each group of driving gears (41) and the linkage gears (45);
the control mechanism (5) comprises a control tube (51) and a control rod (52), the control tube (51) is vertically arranged at the center position of the upper end face of the driving gear (41), the control rod (52) is vertically and slidably connected with the control tube (51), and a spring (55) is arranged between the bottom wall of the control tube (51) and the control rod (52);
the center position of the upper end face of the bottom plate (32) is provided with a guide pipe (56) encircling the upper end of the control rod (52), the inner wall of the guide pipe (56) is provided with a guide block (57), the outer wall of the control rod (52) is provided with a spiral guide groove (58) for embedding the guide block (57), and the center position of the lower end face of the cover plate (2) is vertically provided with a pressing rod (21) for pressing the control rod (52) to vertically slide.
2. A desktop centrifuge as defined in claim 1, wherein: the upper end face of the control rod (52) is rotatably connected with a rotary table (59).
3. A desktop centrifuge as defined in claim 1, wherein: the upper end of the guide pipe (56) is arranged in a flaring shape.
4. A desktop centrifuge as defined in claim 1, wherein: the upper end face of each supporting plate (33) is connected with a sealing plate (6) for covering the test hole (31) in a sliding mode.
5. A desktop centrifuge as defined in claim 4, wherein: one end of the sealing plate (6) close to the bottom plate (32) is hinged with a pull rod (22), and one end of the pull rod (22) deviating from the sealing plate (6) is hinged with the bottom plate (32).
6. A desktop centrifuge as defined in claim 4, wherein: the lower end face of the sealing plate (6) is provided with an elastic sheet (61) for pressing the test tube.
7. A desktop centrifuge as defined in claim 4, wherein: one end of the sealing plate (6) deviating from the bottom plate (32) is arranged in an upward tilting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210121657.8A CN114558700B (en) | 2022-02-09 | 2022-02-09 | Desk type centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210121657.8A CN114558700B (en) | 2022-02-09 | 2022-02-09 | Desk type centrifugal machine |
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| Publication Number | Publication Date |
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| CN114558700A CN114558700A (en) | 2022-05-31 |
| CN114558700B true CN114558700B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210121657.8A Active CN114558700B (en) | 2022-02-09 | 2022-02-09 | Desk type centrifugal machine |
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