Adjustable spill-proof centrifugal machine for sample detection

Abstract

The utility model discloses an adjustable spill-proof centrifugal machine for sample detection, which comprises a shell and a fixing frame arranged in the shell, five test tube inserting frames are rotatably connected in the fixing frame and are arranged in a cross shape, the lower side surface of the test tube inserting frame in the center of the cross shape is connected with a transmission shaft, and the transmission shaft is connected with a transmission shaft. Rotating shafts are connected to the lower side faces of the other test tube inserting frames, the rotating shafts and the transmission shaft are rotationally connected with the shell, and a first gear, a second gear, a third gear, a fourth gear and a fifth gear are arranged on the transmission shaft and the four rotating shafts correspondingly; the tooth numbers of the first gear, the second gear, the third gear, the fourth gear and the fifth gear are different, and the second gear, the third gear, the fourth gear and the fifth gear are engaged with the first gear; the lower end of the transmission shaft penetrates through the shell and is connected with a driving assembly driving the transmission shaft to rotate. The centrifugal machine has the advantage that samples can be centrifuged at various different rotating speeds at the same time.

Description

Technical Field

[0001] The utility model belongs to the technical field of centrifuges for sample detection, and relates to an adjustable anti-overflow centrifuge for sample detection. Background Art

[0002] A centrifuge is a device used to separate components of different densities in a liquid mixture. It uses centrifugal force to separate the components in the mixture. In the centrifuge, the mixture is placed in a rotating container. When the container rotates rapidly, due to the action of centrifugal force, the components of different densities will settle or float to different positions, thereby achieving separation.

[0003] The Chinese utility model patent with authorization announcement number CN216224854U discloses a centrifuge for nucleic acid sample detection, which relates to the field of medical device technology, including a centrifuge body, a control panel is provided on the front end surface of the centrifuge body, a cover plate is movably connected to the top of the centrifuge body, a protective shell is provided on the outside of the centrifuge body, multiple groups of clamping springs are connected to both sides of the inner wall of the protective shell, and the other ends of the clamping springs are connected to clamping plates, a protective layer is provided on the surface of the clamping plate away from the clamping spring, and the side of the protective layer away from the clamping plate is arranged in contact with the side wall of the centrifuge body, and a buffer component is provided at the bottom of the protective shell. In this design scheme, the clamping spring, the clamping plate and the protective layer can produce a buffering effect on the centrifuge body, thereby improving the protection of the centrifuge body. However, in this technical scheme, the rotation of the centrifuge body is driven by a synchronous belt and a rotating motor, and it is impossible to realize the centrifugation of multiple samples at different speeds, which may have limitations when used. Utility Model Content

[0004] In view of the above problems, the utility model proposes an adjustable overflow-proof sample detection centrifuge, which well solves the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: an adjustable overflow-proof sample detection centrifuge, comprising a shell and a fixed frame arranged in the shell, five test tube plug-in frames are rotatably connected in the fixed frame, and the five test tube plug-in frames are arranged in a "cross" shape, and the lower side of the test tube plug-in frame located at the center of the "cross" is connected to a transmission shaft, and the lower sides of other test tube plug-in frames are connected to a rotating shaft, and the rotating shaft and the transmission shaft are both rotatably connected to the shell, and the transmission shaft and the four rotating shafts are respectively provided with a first gear, a second gear, a third gear, a fourth gear and a fifth gear, the first gear, the second gear, the third gear, the fourth gear and the fifth gear have different numbers of teeth, and the second gear, the third gear, the fourth gear and the fifth gear are all meshed with the first gear;

[0006] The lower end of the transmission shaft passes through the housing and is connected with a driving component which drives the transmission shaft to rotate.

[0007] Furthermore, a motor mounting plate is provided on the right side of the shell, and the driving assembly includes a rotating motor arranged on the side of the motor mounting plate, the output shaft of the rotating motor passes through the motor mounting plate and extends to the bottom of the motor mounting plate, and the output shaft of the rotating motor is provided with a synchronous belt for driving the transmission shaft to rotate.

[0008] Furthermore, a motor protection shell is arranged on the side surface of the motor mounting plate, and the rotating motor is located in the motor protection shell.

[0009] Furthermore, a protective shell is provided on the lower side of the shell, and the lower end of the transmission shaft, the output shaft of the rotating motor and the synchronous belt are all located inside the protective shell.

[0010] Furthermore, a timer is arranged on the upper side of the motor protection shell.

[0011] Furthermore, the outer side of the test tube plug-in rack is provided with a mark located on the upper side of the test tube plug-in rack.

[0012] Furthermore, a cover threadedly connected to the fixing frame is disposed on the upper side of the test tube insertion rack, and a lower side of the cover is fitted with the upper side of the test tube insertion rack, and a rotating block is disposed on the upper side of the cover.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model realizes different rotation speeds of five test tube plug-in racks when rotating through a transmission shaft, a rotating shaft, a first gear, a second gear, a third gear, a fourth gear and a fifth gear, so that a staff can centrifuge a plurality of samples at different rotation speeds at the same time, thereby improving the working efficiency of the centrifuge. The driving of the transmission shaft is realized through a driving component, thereby ensuring the normal rotation of the test tube plug-in rack. The test tube is sealed through a sealing cover and a rotating block, thereby preventing the medicine in the test tube from overflowing during the centrifugation process, thereby ensuring the reliability of the centrifuge when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A front view of

[0017] Figure 3 For this utility model Figure 1 A schematic diagram of the structure of the AA part;

[0018] Figure 4 For this utility model Figure 1 Schematic diagram of the structure of the BB part.

[0019] In the figure, 1-housing; 2-fixed frame; 3-test tube docking frame; 4-transmission shaft; 5-first gear; 6-rotating shaft; 7-second gear; 8-third gear; 9-fourth gear; 10-fifth gear; 11-motor protection shell; 12-rotating motor; 13-timer; 14-label; 15-motor mounting plate; 16-synchronous belt; 17-protective shell; 18-cover; 181-rotating block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1-4 As shown, an adjustable overflow-proof sample detection centrifuge comprises a housing 1 and a fixed frame 2 welded in the housing 1, five test tube plug-in frames 3 are rotatably connected in the fixed frame 2 through bearings, the five test tube plug-in frames 3 are arranged in a "cross" shape, a transmission shaft 4 is connected to the lower side of the test tube plug-in frame 3 located at the center of the "cross", and a rotating shaft 6 is connected to the lower side of the other test tube plug-in frames 3, the rotating shaft 6 and the transmission shaft 4 are rotatably connected to the housing 1 through bearings, and a first gear 5, a second gear 7, a third gear 8, a fourth gear 9 and a fifth gear 10 are respectively arranged on the transmission shaft 4 and the four rotating shafts 6, the first gear 5, the second gear 7, the third gear 8, the fourth gear 9 and the fifth gear 10 have different numbers of teeth, and the second gear 7, the third gear 8, the fourth gear 9 and the fifth gear 10 are all meshed with the first gear 5;

[0022] The lower end of the transmission shaft 4 passes through the housing 1 and is connected to a driving component that drives the transmission shaft 4 to rotate.

[0023] When in use, the staff can insert the sample to be centrifuged into the test tube rack 3, and then start the driving component. Under the action of the driving component, the transmission shaft 4 begins to drive the test tube rack 3 located in the center to rotate, wherein the first gear 5 is meshed with the second gear 7, the third gear 8, the fourth gear 9 and the fifth gear 10, that is, the transmission shaft 4 can drive the other rotating shafts 6 and the test tube rack 3 to rotate, and because the number of teeth of the first gear 5 and the second gear 7, the third gear 8, the fourth gear 9 and the fifth gear 10 are different, the rotation speeds of the five test tube racks 3 are different, so that the staff can centrifuge multiple samples at different rotation speeds at the same time, thereby improving the working efficiency of the centrifuge.

[0024] In this embodiment, a motor mounting plate 15 is welded to the right side of the shell 1, and the driving assembly includes a rotating motor 12 fixed to the upper side of the motor mounting plate 15 by bolts. The output shaft of the rotating motor 12 passes through the motor mounting plate 15 and extends to the bottom of the motor mounting plate 15. A driving pulley located below the motor mounting plate 15 is fixed to the output shaft of the rotating motor 12, and a driven pulley is fixed to the lower end of the transmission shaft 4. The driving pulley is connected to a synchronous belt 16 connected to the driven pulley. When in use, the staff controls the output shaft of the rotating motor 12 to rotate. Under the action of the synchronous belt 16, the transmission shaft 4 rotates synchronously with the output shaft of the rotating motor 12, thereby driving the test tube insertion rack 3 in the fixed frame 2 to rotate, and the samples in the test tube insertion rack 3 are centrifuged, thereby ensuring the reliability of the centrifuge when in use.

[0025] In this embodiment, a motor protection shell 11 is fixed to the upper side of the motor mounting plate 15 by bolts, and the rotating motor 12 is located in the motor protection shell 11. When in use, the motor protection shell 11 can prevent the rotating motor 12 from directly contacting the outside world, prevent the rotating motor 12 from being damaged, and increase the service life of the rotating motor 12.

[0026] In this embodiment, a protective shell 17 is fixed to the lower side of the shell 1 by bolts, and the lower end of the transmission shaft 4, the output shaft of the rotating motor 12 and the synchronous belt 16 are all located inside the protective shell 17. When in use, the protective shell 17 can prevent foreign debris or dust from directly contacting the transmission shaft 4, the synchronous belt 16 and the output shaft of the rotating motor 12, thereby ensuring the normal operation of the transmission shaft 4, the synchronous belt 16 and the output shaft of the rotating motor 12, thereby ensuring the working efficiency of the centrifuge.

[0027] In this embodiment, a timer 13 is fixed to the upper side of the motor protection shell 11 by bolts. When centrifugation is performed, the staff can use the timer 13 to set the timing. When the centrifugation is completed, the timer 13 makes a sound to remind the staff that the centrifugation is completed, thereby improving the work efficiency of the staff.

[0028] In this embodiment, the outer side of the test tube rack 3 is pasted with a label 14 located on the upper side of the test tube rack 3. When in use, the label 14 is marked with the rotation speed of the corresponding test tube rack 3, which improves the convenience of the staff when using the centrifuge.

[0029] In this embodiment, a cover 18 threadedly connected to the fixing frame 2 is provided on the upper side of the test tube insertion frame 3, and the lower side of the cover 18 fits with the upper side of the test tube insertion frame 3, and a rotating block 181 is fixed to the upper side of the cover 18 by bolts. When in use, the staff inserts the test tube to be centrifuged into the test tube insertion frame 3, then grabs the rotating block 181 on the cover 18, threadably connects the cover 18 to the fixing frame 2, and makes the lower side of the cover 18 fit with the upper side of the test tube to be centrifuged, so that the lid of the test tube to be centrifuged is always sealed and connected to the test tube to be centrifuged, preventing the medicine in the test tube from overflowing during the centrifugation process, thereby improving the reliability of the centrifuge when in use.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable overflow-proof sample detection centrifuge, comprising a housing and a fixing frame disposed in the housing, characterized in that: Five test tube plug-in racks are rotatably connected in the fixed rack, and the five test tube plug-in racks are arranged in a "cross" shape. The lower side of the test tube plug-in rack located at the center of the "cross" is connected to a transmission shaft, and the lower sides of the other test tube plug-in racks are all connected to rotating shafts. The rotating shaft and the transmission shaft are both rotatably connected to the housing. The transmission shaft and the four rotating shafts are respectively provided with a first gear, a second gear, a third gear, a fourth gear and a fifth gear. The first gear, the second gear, the third gear, the fourth gear and the fifth gear have different numbers of teeth, and the second gear, the third gear, the fourth gear and the fifth gear are all meshed with the first gear; The lower end of the transmission shaft passes through the housing and is connected with a driving component which drives the transmission shaft to rotate.

2. The adjustable anti-overflow sample detection centrifuge according to claim 1, characterized in that: A motor mounting plate is provided on the right side of the shell, and the driving assembly includes a rotating motor arranged on the side of the motor mounting plate. The output shaft of the rotating motor passes through the motor mounting plate and extends to the bottom of the motor mounting plate. A synchronous belt for driving the transmission shaft to rotate is provided on the output shaft of the rotating motor.

3. The adjustable anti-overflow sample detection centrifuge according to claim 2, characterized in that: A motor protection shell is arranged on the side surface of the motor mounting plate, and the rotating motor is located in the motor protection shell.

4. The adjustable anti-overflow sample detection centrifuge according to claim 1 or 2, characterized in that: A protective shell is arranged on the lower side of the shell, and the lower end of the transmission shaft, the output shaft of the rotating motor and the synchronous belt are all located inside the protective shell.

5. The adjustable anti-overflow sample detection centrifuge according to claim 3, characterized in that: A timer is arranged on the upper side of the motor protection shell.

6. The adjustable anti-overflow sample detection centrifuge according to claim 1, characterized in that: The outer side of the test tube plug-in rack is provided with a mark located on the upper side of the test tube plug-in rack.

7. The adjustable anti-overflow sample detection centrifuge according to claim 1, characterized in that: The upper side of the test tube insertion rack is provided with a cover threadedly connected in the fixing rack, and the lower side of the cover is in contact with the upper side of the test tube insertion rack, and the upper side of the cover is provided with a rotating block.

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