Multifunctional centrifugal machine suitable for micro-battens

Abstract

The multifunctional centrifugal machine comprises a rotating motor and a protective cover, an output shaft of the rotating motor is connected with a centrifugal rotating disc, a plurality of batten centrifugal frames are arranged on the centrifugal rotating disc in the circumferential direction, the centrifugal rotating disc is located in the protective cover, a cover plate is fixed to the protective cover, a containing opening is formed in the cover plate, and a plurality of batten centrifugal frames are arranged on the batten centrifugal frames. And a sealing cover for opening and closing the placing opening is movably arranged on the cover plate. According to the centrifugal machine, a plurality of sample plate strips can be installed at a time and can be centrifugally decomposed at the same time, the detection efficiency is greatly improved, meanwhile, the sealing cover and the protective cover are arranged, the sealing cover is rotated to close the containing opening during centrifugation, the protective cover, the sealing cover and the cover plate seal the centrifugal rotating disc and the sample plate strips, and the centrifugal efficiency is improved. And liquid splashing during centrifugation can be effectively avoided, and the environment is prevented from being polluted.

Description

Technical Field

[0001] The utility model relates to the technical field of in vitro diagnostic medical equipment, in particular to a multifunctional centrifuge suitable for micro-slats. Background Art

[0002] In recent years, with the development of laboratory medicine and the continuous updating of detection technology, the research on the nature and antigens of platelet antibodies has become increasingly in-depth, and platelet antibody detection technology has become more mature. At present, when performing platelet antibody testing, a centrifuge is usually used to separate blood samples into different components in order to stratify platelets for further testing and analysis. However, the existing centrifuge cannot decompose multiple sample strips at one time, the detection efficiency is low, and the centrifuge will rotate at high speed during operation, and the sample liquid on the sample strip will splash, resulting in an untidy environment around the equipment. Therefore, a centrifuge that can decompose multiple sample strips and prevent liquid splashing is needed. Utility Model Content

[0003] In order to solve the problems existing in the background technology, the utility model proposes a multifunctional centrifuge suitable for micro-slats, including a rotating motor and a protective cover, the rotating motor output shaft is connected to a centrifugal turntable, a plurality of slat centrifugal racks are circumferentially arranged on the centrifugal turntable, the centrifugal turntable is located in the protective cover, a cover plate is fixed on the protective cover, a placement opening is provided on the cover plate, and a sealing cover for opening and closing the placement opening is movably provided on the cover plate.

[0004] Preferably, the cover plate includes an upper cover plate, a rotation limit plate and a lower cover plate, and both the upper cover plate and the lower cover plate are provided with placement openings. The lower cover plate is fixed to the top of the protective cover, and the top of the lower cover plate is fixedly connected to the upper cover plate through a rotation limit plate. The placement openings on the upper cover plate and the lower cover plate correspond in position, and the sealing cover is rotatably arranged between the upper cover plate and the lower cover plate through a driving mechanism.

[0005] Preferably, the driving mechanism includes a cover opening motor and a cover screwing flange, the cover screwing flange is rotatably arranged at the bottom of the upper cover plate, the bottom end of the cover screwing flange is fixedly connected to the sealing cover, the other end of the cover screwing flange is connected to a driven wheel, the driven wheel is located at the top of the upper cover plate, the cover opening motor is fixed on the outer side wall of the protective cover, the output shaft of the cover opening motor is connected to a driving wheel, and the driving wheel and the driven wheel are connected by a synchronous belt transmission.

[0006] Preferably, a Hall switch for detecting the position of the sealing cover is fixed on the cover plate.

[0007] Preferably, a cleaning port is provided on the cover plate, and when the centrifugal turntable rotates, the sealing cover closes the placement port and the cleaning port simultaneously.

[0008] Preferably, there are 12 slat centrifugal racks.

[0009] Preferably, the slat centrifugal frame is rotatably connected to the centrifugal turntable, the slat centrifugal frame and the centrifugal turntable are rotatably connected at a point located in the middle of a side surface of the slat centrifugal frame, and a counterweight is provided at the bottom of the slat centrifugal frame.

[0010] Preferably, the slatted centrifugal frame is provided with a positioning magnet for magnetically fixing with the centrifugal turntable.

[0011] Preferably, it further comprises a fixing frame, the fixing frame is connected to a motor base plate via a shock absorbing column, the rotating motor is fixed on the motor base plate, and the protective cover is fixed on the fixing frame.

[0012] Preferably, a waterproof rubber ring is fixed on the fixing frame, and the outer peripheral side of the waterproof rubber ring is in contact with the inner wall of the protective cover.

[0013] Preferably, a liquid collecting groove is provided at the top of the motor base plate, and a liquid drain joint is fixed at the bottom of the motor base plate, and the liquid drain joint is communicated with the liquid collecting groove.

[0014] Preferably, a heating plate is provided at the bottom of the motor base plate, a hot air blower is fixed on one side of the fixing frame, an output end of the hot air blower is connected to the protective cover, and a heating connecting plate is provided at the output end of the hot air blower.

[0015] The utility model has the following beneficial effects:

[0016] 1. The centrifuge of the utility model can install multiple sample strips at one time and centrifugally decompose multiple sample strips at the same time, which greatly improves the detection efficiency. At the same time, the utility model is provided with a sealing cover and a protective cover. When placing the sample strip, the sealing cover is turned to open the placement port, and the sample strip is placed on the strip centrifugal rack from the placement port. During centrifugation, the sealing cover is turned to close the placement port. The protective cover, sealing cover and cover plate seal the centrifugal turntable and sample strips, which effectively avoids liquid splashing during centrifugation and prevents environmental pollution.

[0017] 2. The traditional centrifuge needs to wait until the centrifugation is completed before taking out the waste liquid, which is inefficient. The centrifuge of the utility model can separate the waste liquid from the sample during centrifugation and throw out the waste liquid. After the waste liquid is thrown out, it is discharged through the drainage joint, which improves the detection efficiency and will not pollute the environment.

[0018] 3. The utility model is equipped with a hot air blower, a heating connecting plate and a heating sheet. The hot air blower cooperates with the heating connecting plate for heating and the heating sheet for heating. The two heating links can be carried out simultaneously, so that the temperature quickly reaches the incubation requirement, improves the detection efficiency, and provides a double guarantee for the improvement of the incubation environment temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2This is a schematic diagram of the structure decomposition of the utility model when the protective cover and the cover plate are not provided;

[0021] Figure 3 This is a schematic diagram of the state of the slat centrifugal frame when the utility model is centrifuged;

[0022] Figure 4 This is a schematic diagram of the cover structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the slat centrifugal frame of the utility model.

[0024] Numbers in the figure: 1. Rotating motor; 2. Centrifugal turntable; 3. Fixed frame; 4. Protective cover; 5. Upper cover; 6. Rotating limit plate; 7. Lower cover; 8. Screw cover flange; 9. Placement port; 10. Cleaning port; 11. Opening motor; 12. Driving wheel; 13. Driven wheel; 14. Synchronous belt; 15. Motor bottom plate; 151. Liquid collecting groove; 16. Slat centrifugal frame; 17. Waterproof rubber ring; 18. Shock absorber column; 19. Hall switch; 20. Synchronous belt protective shell; 21. Sealing cover; 22. Positioning magnet; 23. Counterweight block; 24. Micro slat; 25. Drain connector; 26. Motor fixed plate; 27. Bushing; 28. Limit block; 29. ​​Heating connecting plate; 30. Hot air blower. DETAILED DESCRIPTION

[0025] In order to make the present invention clearer and more understandable, the technical solution of the present invention is further described in detail below in combination with the accompanying drawings and embodiments. It should be understood that the given embodiment is only one of the implementation methods and does not represent all embodiments.

[0026] In this article, the terms "upper, lower, inside, outside" and the like are established based on the positional relationships shown in the drawings. Depending on the different drawings, the corresponding positional relationships may also change accordingly. Therefore, they cannot be understood as absolute limitations on the scope of protection.

[0027] Combined with Figure 1 -Attached Figure 5 A multifunctional centrifuge suitable for micro-slats comprises a rotating motor 1 and a protective cover 4, wherein the output shaft of the rotating motor 1 is connected to a centrifugal turntable 2, a plurality of slat centrifugal racks 16 are circumferentially arranged on the centrifugal turntable 2, and the number of slat centrifugal racks 16 is preferably 12, and micro-slats 24 for holding samples to be tested are placed on the slat centrifugal racks 16, the centrifugal turntable 2 is located in the protective cover 4, a cover plate is fixed on the top of the protective cover 4, a placement opening 9 is provided on the cover plate, and a sealing cover 21 for opening and closing the placement opening 9 is movably arranged on the cover plate.

[0028] Specifically, the cover plate includes an upper cover plate 5, a rotating limit plate 6 and a lower cover plate 7. Both the upper cover plate 5 and the lower cover plate 7 are provided with a placement opening 9. The lower cover plate 7 is fixed to the top of the protective cover 4. The top of the lower cover plate 7 is fixedly connected to the upper cover plate 5 through the rotating limit plate 6. The placement openings 9 on the upper cover plate 5 and the lower cover plate 7 correspond in position. The sealing cover 21 is rotatably arranged between the upper cover plate 5 and the lower cover plate 7 through a driving mechanism. Specifically, the sealing cover 21 is fan-shaped, and the end of the sealing cover 21 away from the center of the cover plate is the arcuate end of the sealing cover 21. The rotation limit plate 6 is annular, and the rotation limit plate 6 is located at the edge of the upper cover plate 5 and / or the lower cover plate 7. The placement port 9 is located at the inner side of the rotation limit plate 6. The inner side of the rotation limit plate 6 is provided with a limit groove along the circumferential direction. The arcuate end of the sealing cover 21 is slidably arranged in the limit groove. The rotation of the sealing cover 21 is limited by the limit groove to ensure the stability of the rotation of the sealing cover 21.

[0029] Specifically, the driving mechanism includes an opening motor 11 and a capping flange 8, wherein the capping flange 8 is rotatably arranged at the bottom of the upper cover plate 5, the bottom end of the capping flange 8 is fixedly connected to the sealing cover 21, the other end of the capping flange 8 is connected to a driven wheel 13, and the driven wheel 13 is located at the top of the upper cover plate 5, the opening motor 11 is fixed on the outer wall of the protective cover 4, the output shaft of the opening motor 11 is connected to a driving wheel 12, and the driving wheel 12 and the driven wheel 13 are connected by a synchronous belt 14. When the sealing cover 21 needs to be rotated, it is only necessary to start the opening motor 11, the opening motor 11 drives the driving wheel 12 to rotate, the driving wheel 12 drives the driven wheel 13 to rotate through the synchronous belt 14, and the driven wheel 13 drives the capping flange 8 to rotate, thereby driving the sealing cover 21 to rotate. When the sealing cover 21 reaches the placement port 9 and covers the placement port 9, the placement port 9 is closed, and when the sealing cover 21 leaves the placement port 9, the placement port 9 is opened. More specifically, a synchronous belt protection shell 20 is provided on the top of the upper cover, and the synchronous belt 14 , the driving wheel 12 and the driven wheel 13 are arranged in the synchronous belt protection shell 20 .

[0030] Specifically, a Hall switch 19 for detecting the position of the sealing cover 21 is fixed on the cover plate. Specifically, the Hall switch 19 is fixed on the top of the upper cover plate 5, and a detection hole is opened on the upper cover plate 5 at a position corresponding to the detection end of the Hall switch 19, so that the detection signal of the Hall switch 19 is sensed to the sealing cover 21 through the detection hole.

[0031] Specifically, a cleaning port 10 is provided on the cover plate. When the centrifugal turntable 2 rotates, the sealing cover 21 simultaneously closes the placement port 9 and the cleaning port 10. The cleaning port 10 is used to connect the sample strip washing device with the sample strip. When washing the plate, the cleaning end of the washing device is placed at the cleaning port 10, and the sealing cover 21 is rotated to open the cleaning port 10, and the sample strip to be washed is located at the cleaning port 10. The washing device can be started to wash the sample strip. The washing device is usually a plate washer. Specifically, the upper cover plate 5 and the lower cover plate 7 are both provided with cleaning ports 10, and the two cleaning ports 10 are located in corresponding positions.

[0032] More specifically, the cleaning port 10 is arranged on one side of the placement port 9, that is, the placement port 9 and the cleaning port 10 are arranged in sequence along the circumference of the cover plate, and the placement port 9 and the cleaning port 10 are placed together in a one-third area on the cover plate, and the sealing cover 21 is fan-shaped, and the size of the sealing cover 21 is not less than one-third of the cover plate, to ensure that the sealing cover 21 can simultaneously close the placement port 9 and the cleaning port 10 during centrifugal operation to prevent liquid from splashing out of the cleaning port 10. More specifically, the placement port 9 can be set to be fan-shaped, and the cleaning port 10 can be set to be rectangular, and the area of ​​the cleaning port 10 is not less than the area of ​​one sample strip.

[0033] Specifically, the slat centrifugal frame 16 is rotatably connected to the centrifugal turntable 2, and the rotational connection point between the slat centrifugal frame 16 and the centrifugal turntable 2 is located in the middle position of the side of the slat centrifugal frame 16, a counterweight block 23 is provided at the bottom of the slat centrifugal frame 16, and a positioning magnet 22 is provided on the slat centrifugal frame 16 for magnetically fixing the centrifugal turntable 2.

[0034] Specifically, it also includes a fixing frame 3, the fixing frame 3 is connected to a motor bottom plate 15 through a shock absorbing column 18, the rotating motor 1 is fixed on the motor bottom plate 15, the output end of the rotating motor 1 is located above the motor bottom plate 15, a motor fixing disk 26 is provided on the outer side of the part of the rotating motor 1 located above the motor bottom plate 15, the motor fixing disk 26 is fixedly connected to the motor bottom plate 15, and the output end of the rotating motor 1 is connected to the centrifugal turntable 2 through a shaft sleeve 27;

[0035] The protective cover 4 is fixed on the fixing frame 3. The shock-absorbing column 18 is made of rubber material. A waterproof rubber ring 17 is fixed on the fixing frame 3, and the outer peripheral side of the waterproof rubber ring 17 is in contact with the inner wall of the protective cover 4. The waterproof rubber ring 17 can seal and waterproof the protective cover 4, guide and seal the liquid splashed during the centrifugation process, and prevent the waste liquid from leaking and polluting the environment. A liquid collecting groove 151 is provided on the top of the motor bottom plate 15, and a drain joint 25 is fixed on the bottom of the motor bottom plate 15. The drain joint 25 is connected to the liquid collecting groove 151, and the drain joint 25 is connected to a drain pipe.

[0036] More specifically, the centrifugal turntable 2 is provided with a plurality of centrifugal rack placement slots along the circumferential direction, and the slat centrifugal rack 16 is located in the centrifugal rack placement slots, the slat centrifugal rack 16 is in an elongated shape, the length direction of the slat centrifugal rack 16 is consistent with the radial direction of the centrifugal turntable 2, and the rotation connection point is located on the long side of the slat centrifugal rack 16; the centrifugal turntable 2 is provided with a magnetic steel, and when the centrifugal turntable 2 is not rotating, the positioning magnet 22 of the slat centrifugal rack 16 is adsorbed on the magnetic steel, and the slat centrifugal rack 16 is in a horizontal state; when centrifugation is performed, the centrifugal turntable 2 rotates, and under the action of centrifugal force, the positioning magnet 22 separates from the magnetic steel, the slat centrifugal rack 16 rotates, and the slat centrifugal rack 16 is in an inclined state. When the centrifugal turntable 2 rotates, the sample is centrifuged, and the waste liquid generated by the centrifugation is thrown out from the micro-slats 24, and the waste liquid after being thrown out falls into the liquid collecting groove 151, and the waste liquid enters the liquid discharge joint 25 from the liquid collecting groove 151, and is finally discharged to the outside of the centrifuge through the liquid discharge pipe;

[0037] After the centrifugation is finished, the centrifugal turntable 2 stops rotating, and the slat centrifugal frame 16 is restored to the horizontal position under the gravity of the counterweight block 23. Specifically, the slat centrifugal frame 16 is provided with limit blocks 28 on both sides, and the limit blocks 28 are located below the centrifugal turntable 2. When the slat centrifugal frame 16 is restored to the horizontal position, the limit blocks 28 are blocked by the centrifugal turntable 2, thereby limiting the slat centrifugal frame 16 from continuing to rotate, and at the same time, the magnetic attraction of the positioning magnet 22 and the magnetic steel is cooperated to ensure that the slat centrifugal frame 16 is restored to the original position and is in a horizontal state.

[0038] Specifically, a heating plate is provided at the bottom of the motor base plate 15, a hot air blower 30 is fixed on one side of the fixed frame 3, the output end of the hot air blower 30 is connected to the protective cover 4, and a heating connecting plate 29 is provided at the output end of the hot air blower 30. The sample needs to be incubated in a certain temperature environment before centrifugation. The heating plate can heat the sample to increase the incubation environment temperature. At the same time, the hot air blower 30 cooperates with the heating connecting plate 29 to supply heat to the protective cover 4. The hot air blower 30, the heating connecting plate 29 and the heating plate provide double guarantees for the temperature increase, which can quickly make the temperature reach the incubation requirements and improve the detection efficiency.

[0039] Although embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional centrifuge suitable for micro-slats, characterized in that: The invention comprises a rotating motor (1) and a protective cover (4), wherein the output shaft of the rotating motor (1) is connected to a centrifugal turntable (2), a plurality of slatted centrifugal frames (16) are arranged on the centrifugal turntable (2) along the circumference, the centrifugal turntable (2) is located inside the protective cover (4), a cover plate is fixed on the protective cover (4), a placement opening (9) is provided on the cover plate, and a sealing cover (21) for opening and closing the placement opening (9) is movably arranged on the cover plate.

2. A multifunctional centrifuge suitable for micro-slats according to claim 1, characterized in that: The cover plate comprises an upper cover plate (5), a rotational limit plate (6) and a lower cover plate (7); both the upper cover plate (5) and the lower cover plate (7) are provided with a placement opening (9); the lower cover plate (7) is fixed to the top of the protective cover (4); the top of the lower cover plate (7) is fixedly connected to the upper cover plate (5) via the rotational limit plate (6); the placement openings (9) on the upper cover plate (5) and the lower cover plate (7) correspond in position; the sealing cover (21) is rotatably arranged between the upper cover plate (5) and the lower cover plate (7) via a driving mechanism.

3. A multifunctional centrifuge suitable for micro-slats according to claim 2, characterized in that: The driving mechanism comprises a cover opening motor (11) and a cover screwing flange (8), wherein the cover screwing flange (8) is rotatably arranged at the bottom of the upper cover plate (5), the bottom end of the cover screwing flange (8) is fixedly connected to the sealing cover (21), the other end of the cover screwing flange (8) is connected to a driven wheel (13), and the driven wheel (13) is located at the top of the upper cover plate (5), the cover opening motor (11) is fixed to the outer side wall of the protective cover (4), the output shaft of the cover opening motor (11) is connected to a driving wheel (12), and the driving wheel (12) and the driven wheel (13) are connected by a synchronous belt (14).

4. A multifunctional centrifuge suitable for micro-slats according to claim 1, 2 or 3, characterized in that: The cover plate is provided with a cleaning port (10), and when the centrifugal turntable (2) rotates, the sealing cover (21) simultaneously closes the placement port (9) and the cleaning port (10).

5. A multifunctional centrifuge suitable for micro-slats according to claim 1, characterized in that: The slat centrifugal frame (16) is rotatably connected to the centrifugal turntable (2), the slat centrifugal frame (16) and the centrifugal turntable (2) being rotatably connected at a point located in the middle of a side of the slat centrifugal frame (16), and a counterweight (23) is provided at the bottom of the slat centrifugal frame (16).

6. A multifunctional centrifuge suitable for micro-slats according to claim 5, characterized in that: The slatted centrifugal frame (16) is provided with a positioning magnet (22) for magnetically fixing the centrifugal turntable (2).

7. A multifunctional centrifuge suitable for micro-slats according to claim 1, 5 or 6, characterized in that: It also comprises a fixing frame (3), the fixing frame (3) being connected to a motor base plate (15) via a shock absorbing column (18), the rotating motor (1) being fixed on the motor base plate (15), and the protective cover (4) being fixed on the fixing frame (3).

8. A multifunctional centrifuge suitable for micro-slats according to claim 7, characterized in that: A waterproof rubber ring (17) is fixed on the fixing frame (3), and the outer peripheral side of the waterproof rubber ring (17) is in contact with the inner wall of the protective cover (4).

9. A multifunctional centrifuge suitable for micro-slats according to claim 7, characterized in that: A liquid collecting groove (151) is provided at the top of the motor bottom plate (15), and a liquid drain joint (25) is fixed at the bottom of the motor bottom plate (15), wherein the liquid drain joint (25) is in communication with the liquid collecting groove (151).

10. A multifunctional centrifuge suitable for micro-slats according to claim 7, characterized in that: A heating plate is provided at the bottom of the motor base plate (15), a hot air blower (30) is fixed to one side of the fixing frame (3), an output end of the hot air blower (30) is connected to the protective cover (4), and a heating connecting plate (29) is provided at the output end of the hot air blower (30).

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